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HomeMy WebLinkAboutStaff Report 6220 City of Palo Alto (ID # 6220) City Council Staff Report Report Type: Action Items Meeting Date: 1/11/2016 City of Palo Alto Page 1 Summary Title: 1050 Page Mill Road - Review of Final EIR and Project Title: PUBLIC HEARING: Approval of the Final Environmental Impact Report (FEIR) and Record of Land Use Action to Allow Demolition of Four Existing Structures Totaling 265,895 sf and For Construction of Four Two-Story Office Buildings Totaling 265,895 Square Feet of Floor Area with Below and At- Grade Parking and Other Site Improvements. Zoning District: Research Park (RP) located at 1050 Page Mill Road. Environmental Assessment: A Final Environmental Impact Report has been prepared From: City Manager Lead Department: Planning and Community Environment Recommendation Staff recommends that City Council: 1. Certify the Final Environmental Impact Report and Adopt a project specific Mitigation Monitoring and Reporting Program (Attachments G); and, 2. Adopt a Record of Land Use Action (Attachment A) approving the Architectural Review application for four new office buildings at 1050 Page Mill Road. Executive Summary The project includes the redevelopment of the existing 13.5-acre lease parcel with four two- story buildings with one level of below grade parking under each building. The four new office buildings with the same total floor area as the existing structures would be placed around the perimeter of the site, leaving a landscaped central plaza area. As noted in the Final Environmental Impact Report (EIR), implementation of this project would result in significant environmental impacts that can be mitigated via mitigation measures that are proposed for inclusion as conditions of approval. All substantive comments on the Draft EIR have been responded to in the Final EIR. Prior to making a decision to approve the discretionary applications, the EIR must be certified. Pursuant to the City’s local guidelines for implementing the California Environmental Quality Act (CEQA) and past practice, only the City Council has the authority to certify EIRs. For this reason, the subject project is being considered by the City Council instead of the Director of City of Palo Alto Page 2 Planning and Community Environment, which would otherwise be the typical process for Architectural Review projects not requiring an EIR. The Architectural Review Board (ARB) has reviewed and recommends approval of the project. The Planning and Transportation Commission reviewed the Draft EIR and Final EIR and recommends certification. The record reflects public comments from individuals opposed to the project due to traffic concerns, pedestrian and bicycle access, and objection to the replacement of the existing building’s complete floor area. A proposed Record of Land Use Action is included as Attachment A and includes proposed findings and conditions to approve the project. Attachment G includes required CEQA Findings. Background The proposed project includes demolition of four existing buildings and storage structure, totaling 265,895 square feet of floor area, historically used for offices and R&D, as well as construction of four two-story office buildings totaling 265,895 square feet with associated site improvements on a 13.5 acre lease parcel. The four new buildings are proposed to be placed around the edge of the site, leaving a landscaped central plaza area that would include seating and pedestrian walkways. Plans have been provided to the Council and are available on the City’s website: http://www.cityofpaloalto.org/news/displaynews.asp?NewsID=2642&TargetID=319. The applicant is currently targeting Leadership in Energy and Environmental Design (LEED) Platinum status for the project with the inclusion of photovoltaics covering all roofs to generate 150,000 kilowatt-hours (kWh) per year. Primary access would be from Page Mill Road at Hansen Way, a signalized intersection. Currently access is also provided to California Avenue, northwest of the site, through a connecting parking lot at 1117 California Avenue. The proposed project would maintain this connection; however, access between the adjoining parking lots would be limited by installation of an arm gate at the connection point. This arm gate would be controlled by access cards that would be issued only to employees and visitors of 1117 California Avenue. Therefore, Page Mill Road would serve as the single point of ingress/egress to the 1050 Page Mill Road project site. The proposed project includes 348 automobile parking spaces around the perimeter of the site, as well as below-grade garage parking spaces in each building (539 garage spaces) for a total of 887 code compliant automobile spaces. The project would also provide 101 bicycle parking spaces. Site Information City of Palo Alto Page 3 The project site, located within the Stanford Research Park, is rectangular in shape and has an area of approximately 587,363 square feet (sf). The site fronts onto Page Mill Road and currently has access to California Avenue via a driveway easement through 1117 California Avenue. The property is currently occupied by four structures totaling 265,895 sf of floor area with the front building along Page Mill Road currently occupied by Machine Zone. The existing parking lot contains 564 automobile parking spaces; less than currently required by the Municipal Code. The site has a Comprehensive Plan land use designation of Research/Office Park and a zoning designation of Research Park (RP) district. The Research/Office Park land use designation allows office, research, and manufacturing establishments whose operations are buffered from adjacent residential uses. The RP zoning district allows a limited group of research and manufacturing uses that may have unusual requirements for space, light, and air. The project site is surrounded by existing Research and Development (R&D) uses, with the exception of the Mayfield Fire Station #2 located to the south along Hanover Street. Across Page Mill Road to the east, the buildings contain additional research and manufacturing uses. Building Design The applicant’s project description (Attachment D) contains a narrative about the building design. As shown in the project plans on sheets A2.1 thru A2.4 and A5.1, the proposed buildings would consist of clear glass envelopes with glass vertical fins for shading. Visual interest and additional shading would be provided by the use of aluminum ribbon type sunshades. The impervious footprint of the development would be reduced by approximately five (5) percent with the inclusion of below grading parking under the four proposed structures. These parking facilities, along with trash facilities, would be dispersed around the site to allow for efficient circulation. Circulation Primary access would be from Page Mill Road at Hansen Way, a signalized intersection. As shown on the vicinity map in the plan set, California Avenue is northwest of the site, and the 1117 California Avenue office building is located between the project site and California Avenue. The parking lots for 1117 California Avenue and the project site are connected. Although this is not a public right of way, this connection facilitates vehicular access between Page Mill Road and California Avenue. The proposed project parking lot would maintain this connection; however, access between the adjoining parking lots would be limited by installation of an arm gate at the connection point. While details for the gate are not included in the plan set, the applicant proposes an arm gate that would be controlled by access cards that would be issued to the business at 1117 California Avenue. This would provide for all employees and visitors to 1117 California Avenue to have access from both California Avenue and Page Mill Road, as is currently provided. Employees and visitors to 1050 Page Mill Road would not be given access City of Palo Alto Page 4 cards and therefore would not have access to or from California Avenue via this connection. Page Mill Road would serve as the single point of ingress/egress to the 1050 Page Mill Road project site. As explained in the Draft EIR, the additional traffic expected to enter the site from Page Mill Road would result in queuing impacts, as eastbound cars stack-up to make a left turn into the site. This potential impact would be addressed by reconfiguring and extending the turn lane, which would affect the configuration of the westbound turn lane serving Hansen, necessitating improvements to the Page Mill/Hansen intersection. Parking Per the PAMC 18.52, an office use of 265,895 sf in size would require a minimum of one automobile parking space per 300 gross square feet of floor area, or 886 total parking spaces. The site is currently under parked with 564 parking spaces. This project would increase parking supply by 323 spaces for a total of 887 spaces, bringing the site into conformance with the City’s parking regulation. The applicant also proposes to keep an additional 86 parking spaces in landscape reserve. No parking spaces would be provided for the 10,745 sf of on-site employee amenity space. In accordance with the PAMC 18.52.050, the Planning Director may allow for an adjustment to the parking requirement that would exempt from the required parking calculation any building space that is considered to be on-site employee amenities. The proposed amenity space is equal to four percent of the total square footage, which is below the percentage of amenity space provided in more recent approvals and is anticipated to reduce employee vehicle trips. The project would also provide 101 bicycle parking spaces on the site, with a total of 24 short- term spaces located at each building entry and 77 long-term spaces divided equally between the four garages, twelve (12) spaces over the Code requirements. Landscaping The project is required to conform to the City parking design standards contained in Chapter 18.54 of the PAMC and preserve mature trees as possible. The County of Santa Clara has jurisdiction over Page Mill Road as it is a Country expressway. The County typically does not permit trees to be within seven feet of the roadway for safety and road maintenance concerns. Landscaping would include significant trees, and various ground cover and low plantings as shown on sheet L2.0. The proposed project includes the retention of 81 of the existing 225 trees, 20 of which are protected trees as defined by the PAMC. These mature trees and additional new trees will ensure the projects conformance with the requirement to shade 50 percent of the parking spaces within 20 years. The project also includes landscaped islands in conformance with the Code requirement of one island every 10 spaces. Where some of these islands would normally be too small to support a mature tree, staff will worked with the applicant to enlarge the island or add structural soil to support additional tree growth at the Building permit stage. City of Palo Alto Page 5 Lighting/Glare Impacts As shown on Sheets E 1.1 thru E2.2, proposed lighting would include pole lighting as well as bollard style lights, wall wash and in-ground lighting. All pole lighting would be directed downward to ensure minimal spillover of light across property lines. All proposed lighting would be installed along interior driveways and walkways. The lighting would have a maximum average ‘foot-candle’ of 29.5 along the Building 1 perimeter pathway, which would quickly reduce to 0.1 foot-candle at any property line. Architectural Review (ARB) The ARB conducted a preliminary review of the conceptual project design on December 3, 2013. The five public speakers for the item expressed concerns about 1) vehicular traffic on California Avenue, 2) construction activities/traffic from all new development in the area, 3) incorporation of pathways for bikes and pedestrians, 4) connectivity to public transportation, 5) allowed floor area ratio, and 6) alignment of a spine road to break up the Research Park super- blocks. To initiate the EIR process, the City circulated a Notice of Preparation (NOP) and Initial Study (IS) (available online at http://www.cityofpaloalto.org/civicax/filebank/documents/48391) to solicit agency and public comments on the scope of the environmental analysis to be included in the EIR. The Initial Study concluded the project could have potential impacts on the environment, and therefore further study was needed in the form of a Draft EIR. The topics identified in the study as having potential impacts are Air Quality, Biological Resources, Hazards and Hazardous Materials, Noise, and Transportation and Traffic. On November 20, 2014, an EIR scoping meeting was held by the ARB to inform the public that the City was beginning preparation of a Draft EIR for the redevelopment of the subject property. On July 30, 2015 the ARB reviewed the formal project and the Draft EIR. A copy of the staff report can be viewed at https://www.cityofpaloalto.org/civicax/filebank/documents/48290 The ARB voted unanimously to recommend approval of the project with certain items to return to the ARB subcommittee for review. Those items included additional information about bike parking to ensure they are conveniently located, details of any perimeter fencing, railing details, roof screen material details, ensure convenient pedestrian and bike circulation throughout the site and onto other sites, and the addition of a TDM condition as offered by the applicant. The ARB discussed and heard comments from concerned residents about the project’s floor area and suggested this aspect of the project be fully vetted before any approvals are granted. Planning and Transportation Commission (PTC) On August 12, 2015, the PTC reviewed the Draft EIR and provided comments. Those comments and responses are provided in the attached Final EIR. During the comment period on the DEIR the City received a total of three (3) comment letters and multiple verbal comments during the public hearings. The FEIR includes responses to the three comment letters and all verbal comments made at the two public hearings. The commonly raised comments were (1) floor City of Palo Alto Page 6 area ratio, (2) traffic baseline, and (3) pedestrian and bicycle access. The PTC reviewed the Final EIR on November 18, and December 9, 2015, and recommended Council approval of the Final EIR. Overall the PTC considered the EIR adequately discussed and mitigated all impacts, including traffic. One commissioner, however, voted against certification based on concern that the baseline traffic conditions inappropriately credited more office space than warranted. Part of this conclusion was supported with a reference to the zoning district’s purpose section, which states office use should be limited and used to primarily to serve research and development uses. The commissioner also expressed concerns regarding the thresholds of significance used to evaluate traffic impacts. A discussion regarding the baseline conditions used in the environmental document is provided later in this report. The PTC staff reports and the verbatim minutes can be viewed on the City’s website at http://www.cityofpaloalto.org/gov/boards/ptc/default.asp. Discussion The applicant is proposing to redevelop a site within the Research Park with land uses consistent with the Comprehensive Plan and zoning regulations. The project complies with all applicable standards; however, as provided below, there is public objection to replacing the existing square footage on site. The community also expressed an interest in a ‘Spine Road’ to break up the large leaseholds between California Avenue and Page Mill Road and provide more access routes to alleviate congestion on nearby streets. Access to and from the project site from California Avenue was another concern expressed by area residents, which is addressed in the proposal. An EIR was prepared for this project to evaluate potential environmental impacts. The report concludes that all impacts are less than significant with mitigation. One mitigation measure requires left turn lane improvements to address potential queuing impacts on Page Mill Road to access the project site. These and another issues regarding pedestrian and bicycle access between these two streets is provided below. The attached Record of Land Use Action (Attachment A) details the project’s compliance with the ARB findings and Comprehensive Plan consistency. Zoning Compliance and Existing FAR The RP zoning district has a minimum 20 foot requirement for front, rear, side yard setbacks, and a height limit of 35 feet. The site must also abide by a special setback of 50 feet along Page Mill Road. The proposed buildings will be set back 50 feet from the front property line and a minimum of 70 feet from the side and rear property lines. The maximum allowable lot coverage is 30% and the maximum Floor Area Ratio (FAR) in the RP district is 0.4:1 (or 40 percent of the site area). The Stanford Research Park is one single 700 acre parcel. While the Municipal Code typically uses complete legal lots to calculate FAR and City of Palo Alto Page 7 other development standards, for the projects in the Research Park, current practice is and has been to evaluate a project’s development potential based on lease lines established by Stanford. The lease line boundaries serve as the baseline to measure setbacks, floor area and other development standards. In the late 1950s, development of the contiguous leasehold between California Avenue and Page Mill Road began and continued through 1980. At the time, all buildings complied with applicable regulations based on the established practice. Around 1999, this larger leasehold was modified creating two separate leaseholds. A new building was proposed on the resulting smaller leasehold (near California Avenue), which met applicable standards for floor area, etc. based on the new leasehold boundaries. However, this lease division resulted in the larger leasehold (near Page Mill Road) having more building floor area than would have otherwise been allowed if the practice of determining permissible floor area were followed. Staff is unable to determine the exact reason why this was not identified as an issue and addressed at the time the leasehold change was proposed and implemented, but it appears to be an oversight. Since then, Stanford and the City are more engaged in conversations about development activity in the Research Park and staff receives information about all affected properties when new lease lines are proposed or adjusted. When the subject application was filed, staff took the position that the existing buildings were noncomplying facilities and as such, pursuant to the municipal code, would be permitted to be replaced to the same noncomplying floor area, but could not expand. This position relies on a provision in the code that is paraphrased below: PAMC 18.70.100: ….a noncomplying facility in the RP district existing on August 1, 1989, which when built was a complying facility, shall be permitted to be remodeled, improved or replaced in accordance with applicable site development regulations other than floor area ratio, provided that any such remodeling, improvement or replacement shall not result in increased floor area. As noted above, the subject building became ‘noncomplying’ in or around 1999. The noncomplying facility position is predicated on the ongoing application of using the lease lines to establish building potential. Stanford has provided a letter, which is included with this report as Attachment F. The letter is generally consistent with staff’s position and further explains that the leasehold practice is a desirable approach to looking at the entire 700 acre parcel as one lot for development purposes. If development were evaluated from this perspective there would be less predictability about how much building area could be placed on various leases throughout the Research Park. However, while staff supports allowing the subject building to be reconstructed at its current floor area, staff does not believe this authorizes the collective building area in the Research Park to exceed the floor area ratio for the entire 700 acre site and that a comparable City of Palo Alto Page 8 reduction, approximately 30,950 sf, elsewhere in the park would ultimately be needed if the Research Park were fully built out. There remains, approximately, over three quarters of one million square feet of building potential in the Research Park. Staff intends to include a findings indicating that the property owner will provide a full accounting of existing square feet in the Stanford Research Park and report any lease line changes on an annual basis.1 Mitigation for Traffic Impacts As explained in the Draft EIR, the additional traffic expected to enter the site from Page Mill Road would result in queuing impacts, as eastbound cars stack-up to make a left turn into the site. This potential impact would be addressed by reconfiguring and extending the turn lane, which would affect the configuration of the westbound turn lane serving Hansen, necessitating improvements to the Page Mill/Hansen intersection. Spine Road As noted earlier, comments were raised in the ARB prelim process and the scoping process regarding the idea of a “spine road” through the site. The spine road was an idea that commercial traffic could be diverted from California Avenue if a road parallel to California, mid- block, were planned for and implemented as sites within the superblock redeveloped. Though this idea has not been advanced as part of the project (and is not required for vehicle circulation pursuant to the environmental analysis), staff requested that the project site plan preserve the potential for east-west pedestrian and bicycle circulation through the site. This circulation is currently proposed via a route that jogs through the central plaza in front of Building 3 and is a private path, such that public access could be limited by the property owner. Pedestrian and Bicycle Access At the ARB’s July Hearing, the public requested convenient pedestrian and bike circulation throughout the site and onto other sites. The property owner, Stanford, is not willing to voluntarily grant a public access easement across its property. It should also be noted that such an easement would only be across the 1050 Page Mill leasehold which would fall short of a connection to California Avenue, as an additional easement would be needed across the leasehold at 1117 California Avenue. However, per the site design, physical bike and pedestrian access will be incorporated into the project’s landscape design. The vehicular gate will also be design to allow for bikes and pedestrians to get around it easily. However, for the public to legally go from California Avenue to Page Mill Road, they would need to use the existing sidewalks at Hanover Street. Restricted Access To/From California Avenue Primary access to the site would be from Page Mill Road at Hansen Way, a signalized intersection. Currently access is also provided to California Avenue, northwest of the site, through a connecting parking lot at 1117 California Avenue. The proposed project would 1 If Council is supportive of evaluating development standards on a lease line basis it may want to consider amending the Zoning Code to clarify this longstanding practice. This would provide both a contractual and a regulatory basis for evaluating FAR based on lease lines, rather than on the entire 700 acre parcel. City of Palo Alto Page 9 maintain this connection; however, access between the adjoining parking lots would be limited by installation of an arm gate at the connection point. This arm gate would be controlled by access cards that would be issued only to employees and visitors of 1117 California Avenue. Therefore, Page Mill Road would serve as the single point of ingress/egress for the 1050 Page Mill Road project site. Environmental Review City staff has worked with our environmental consultant, Dudek, to prepare an EIR that analyzes the project for potential environmental impacts in accordance with the California Environmental Quality Act (CEQA) (Attachment G). The City began the environmental analysis with an Initial Study which is available online. The environmental analysis determined that the project could have a significant impact on the environment, which triggered the requirement to prepare an EIR. The City prepared a Draft EIR to provide the public and responsible agencies information about potential adverse effects on the local and regional environment associated with the proposed project. The five environmental topics covered in the Draft EIR are Air Quality, Biological Resources, Hazards and Hazardous Materials, Noise, and Transportation and Traffic. The Draft EIR is provided as Attachment G for Council Members and may be viewed on the City’s website at http://www.cityofpaloalto.org/planningprojects and/or http://www.cityofpaloalto.org/news/displaynews.asp?NewsID=2642&TargetID=319. The initial 45 day public comment period on the Draft EIR began on July 24, 2015 and ran through September 8, 2015. The public was invited to comment on the Draft EIR at the PTC’s August 12, 2015 public hearing. All substantive comments received during the comment period were responded to in the Final EIR. At the PTC’s November 18, and December 9, 2015 hearing, they reviewed the Final EIR and made a recommendation to the City Council regarding Final EIR certification. For each of the five topics, the Draft EIR describes the existing environmental and regulatory conditions, presents the criteria used to determine whether an impact would be significant, analyses significant impacts, identifies mitigation measures for each significant impact, and discusses the significance of impacts after mitigation has been applied. Potential direct, indirect, and cumulative impacts are all considered. The Draft EIR also analyzed impacts associated with Energy Consumption; however, these impacts were found to be less-than- significant and do not require mitigation. The Final EIR contains the Draft EIR, the comments received during the public review period, responses to the comments, and any revisions to the Draft EIR needed as a result of public agency and public comments. The following discussion briefly describes three sections of the EIR: (1) The baseline conditions; (2) A summary of potentially significant impacts; (3) Significant and unavoidable impacts (of which there are none). City of Palo Alto Page 10 Baseline Conditions According to Section 15125 of the California Environmental Quality Act (CEQA) Guidelines, an EIR must include a description of the existing physical environmental condition in the vicinity of the project as they exist at the time when the Notice of Preparation (NOP) is published. However, the CEQA Guidelines also recognize that physical environmental conditions may vary over a range of time, the use of environmental baselines that differ from the date of the NOP is reasonable and appropriate in certain circumstances when doing so results in a more accurate or informative environmental analysis. At the time the application for the proposed project was submitted to the City of Palo Alto and initial data collection for technical studies began, the existing buildings at the project site were vacant. From the mid-1950s to 2009, Beckman Coulter, Inc. used the site largely for manufacturing with office/research and development in the building that fronts on Page Mill Road. In 2009, Facebook subleased the entire property and the use converted largely to office. Later in November 2014, when the NOP for this Draft EIR was published, a portion of the existing buildings on site were occupied by Google and Nest Labs Inc. However, the buildings had been mostly vacant for at least a couple of years before the Google and Nest Labs leases were signed in late 2013 and early 2014 respectively. These leases ended in January 2015. From August 2014, Machine Zone Inc. has occupied Building 1 for office space. As a result, use of the existing space has varied over time. Based on historical usage and current square footage configurations, the following land use conditions are used to define the baseline land use conditions at the project site: 67.4% office space, 16.3% manufacturing space, and 16.3% research and development space. While an alternate baseline could have been selected for the analysis, these baseline assumptions are reasonable because they reflect historic use of the site and consideration of the fluctuations in tenancy. Also, the technical analyses that form the basis of the Draft EIR contain sufficient information to allow comparisons between expected conditions with the proposed project and past site conditions. Summary of Potentially Significant Impacts The Draft EIR identifies potentially significant environmental effects of the project in regards to five issues: Air Quality; Biological Resources; Hazards and Hazardous Materials; Noise; and Transportation and Traffic. The Draft EIR also analyzed impacts associated with Energy Consumption; however, these impacts were found to be less-than-significant and do not require mitigation. The following is a brief overview of each issue, the existing setting, the impacts that would result from the proposed project and the mitigation measures recommended in the EIR to lessen the project impacts. Air Quality The air quality chapter analyzes violations of the City’s air quality standard, which is based on Bay Area Air Quality Management District (BAAQMD) criteria, due to project construction (including demolition). The proposed project is below the operational screening criteria size of 323,000 square feet for an office research park; as such, the project would have a less-than- City of Palo Alto Page 11 significant impact related to air quality during operation. While the emissions are anticipated to remain below the Bay Area Air Quality Management District thresholds, all projects are required to implement the District’s standard construction emissions measures to minimize pollutant emissions. The EIR includes mitigation measures to ensure compliance with emission control measures during project construction consistent with BAAQMD’s Bay Area 2010 Clean Air Plan. In addition to basic emissions control measures, daily use of construction equipment would be limited to 6, rather than 8, hours per day per piece of equipment and diesel particulate filters would be used on construction equipment. These measures would reduce the impact to less than significant. Biological Resources The biological resource concerns of the project relate to migratory birds and bats that could nest and/or forage onsite as well as the existing trees on-site and on adjacent properties. The project includes tree planting and the preparation of a Tree Protection and Preservation Plan in conformance with the City’s tree protection ordinances. The EIR includes mitigation measures for pre-construction surveys be submitted to the City by a qualified biologist to determine if there are active bird nests, bat roosts, or bat maternal colonies on the project site. If an active nest is identified, the biologist shall consult with CDFW to determine if construction activities would affect the nest. If construction would disturb the special-status species, construction-free buffer zones will be established around the nest. This procedure would ensure that project construction would not disturb the reproductive behavior of special-status species. These measures would reduce the impact to less than significant. Hazards and Hazardous Materials The hazardous material concerns on the project include the on-site potential for release of hazardous materials during demolition and construction (i.e., asbestos, lead, contaminated soils). The project’s use of hazard substances and wastes during construction is also analyzed. The effects of the contaminated ground-water plume that underlies the project site on indoor air quality within the proposed buildings is also evaluated. The EIR includes requirements for construction waste disposal and inspection by City staff. The mitigation requires the project applicant to consult with the City’s Public Works Department and hazardous material consultants to amend the Soil Management Plan to address the presence of VOCs and TPH contamination. The mitigation also requires that an environmental specialist be retained to analyze the existing buildings for hazardous building materials prior to demolition, construction workers be familiarized with the Soil Management Plan, preparation of a scope of work for asbestos abatement, and the inspections and verifications by the City and BAAQMD. Workers involved in demolition will be required to comply with state and federal regulations related to LCM and ACM handling and disposal. The project applicant/construction contractor will prepare a dewatering plan and groundwater extraction design plans, which will be reviewed by the City’s Public Works Department, to ensure proper testing and treatment of groundwater potentially impacted by VOCs. A waterproofing/vapor barrier membrane will be included in the building plans to prevent the migration of vapor from groundwater into the indoor air of the basement parking garage, and the project applicant shall sample VOC concentrations to ensure City of Palo Alto Page 12 VOC concentrations in the basement are below levels harmful to health. These measures would reduce the impact to less than significant. Noise Noise impacts associated with the project include exposing people to and generating noise levels beyond what is considered acceptable under City standards, including an increase in noise levels above those existing without the project. The EIR includes mitigation measures that set performance standards for the proposed buildings’ windows, walls, and rooftop mechanical equipment that would ensure protection of employees and nearby residents from adverse noise exposure making this a less than significant impact with mitigation. Transportation and Traffic The transportation impacts of the project include the addition of vehicle trips to intersections without adequate queue lengths. The transportation section also analyzes the addition of vehicle trips to existing intersections in the project vicinity but does not find significant decreases in level of service or significant increases in the V/C ratio. The provision of bicycle and vehicle parking onsite was reviewed for conformance with City policy. The transportation section also discusses the project’s site access by vehicles, bicycles and pedestrians. The proposed project does not cause a significant impact to the level of service at any nearby intersections. However, the project does have significant impacts related to intersection queuing; mitigation is provided to ensure improvements are made to reduce these queues to less-than-significant levels. During operation, the project would have adequate emergency access; however, mitigation is provided for temporary impacts to emergency access, which could occur during construction. Mitigation measures require the project applicant to construct improvements and/or provide fair share allocation of funds necessary to construct improvements to intersections with adverse queuing impacts. The project includes adequate parking on-site for autos and bicycles. The project applicant will prepare a Construction Traffic Management Plan to address construction traffic and staging in order to maintain safety for roadway users and ensure emergency access to the project site. These measures would reduce the impact to less than significant. Significant and Unavoidable Impacts The analysis of the EIR concludes that the implementation of the proposed project would not result in any significant unavoidable impacts. The project would have potential significant air quality, biological resources, hazardous material, noise, and traffic impacts. However, the project includes mitigation that would reduce these impacts to less-than-significant level. Policy Implications The project is subject to ARB findings, which are expanded upon in Attachment A. Additionally, there are a number of Comprehensive Plan policies that should be considered when evaluating this project, including the following. More policies and analysis is provided in Attachment A. City of Palo Alto Page 13  Policy L-44: Develop the Stanford Research Park as a compact employment center served by a variety of transportation modes.  Policy L-48: Promote high quality, creative design and site planning that is compatible with surrounding development and public spaces.  Goal B-1: A thriving business environment that is compatible with Palo Alto’s residential character and natural environment. While it could be argued that the project is out of keeping with other specific Comprehensive Plan goals and policies such as those below, the project is consistent with the applicable Comprehensive Plan land use designation and staff believes that it is on balance consistent with the Comprehensive Plan as a whole.  Policy L-42: Encourage Employment Districts to develop in a way that encourages transit, pedestrian and bicycle travel and reduces the number of auto trips for daily errands.  Policy L-43: Provide sidewalks, pedestrian paths, and connections to the citywide bikeway system within Employment Districts. Pursue opportunities to build sidewalks and paths in renovation and expansion projects. There are at least two larger policy issues that are likely to be of interest with regard to this project. These involve the conversion from “research and development” to office space, which the City Council has expressed an interest in examining in an effort to ensure the Research Park as a whole does not lose its research and development focus. Both research and development and office space are permitted uses on the site, and staff expects the discussion of this issue to occur in the context of the Comprehensive Plan Update, along with a discussion of ways to effectively address vehicle trips to/from the Research Park via effective transportation demand management (TDM) programs, including transit (shuttle) and parking management strategies. Public Outreach Notice of this public hearing was provided by publication of the agenda in a local newspaper of general circulation. In addition, property owners and utility customers within 600 feet of the project site were mailed a notice card. Timeline Preliminary ARB meeting December 5, 2013 Formal Application submitted March 3, 2014 EIR scoping meeting before the ARB November 20, 2014 Release of the Draft EIR for the 45 day public comment period July 24, 2015 ARB meeting recommendation on AR July 30, 2015 PTC meeting on Draft EIR August 12, 2015 First PTC meeting on Final EIR November 18, 2015 PTC meeting on Final EIR December 9, 2015 Final EIR Certification by City Council January 11, 2015 City of Palo Alto Page 14 Final Decision on the Proposed Project by City Council January 11, 2015 Attachments:  Attachment A: Record of Land Use Action (DOCX)  Attachment B: Comprehensive Plan Table (DOCX)  Attachment C: Zoning Comparison Table (DOC)  Attachment D: Applicant's Project Description (PDF)  Attachment E: Applicant response to public comments (PDF)  Attachment F: Stanford response to public comments (PDF)  Attachment G: Environmental Impact Report (paper copies to Councilmembers only) (PDF)  Attachment H: CEQA Statement of Findings (DOC)  Attachment I: Draft Mitigation Monitoring Program (DOCX)  Attachment J: Project Plans (hardcopies to Councilmembers and Libraries only) (DOCX) Page 1 Attachment A APPROVAL NO. 2015-10 RECORD OF THE COUNCIL OF THE CITY OF PALO ALTO LAND USE ACTION FOR 1050 PAGE MILL ROAD: ARCHITECTURAL REVIEW [FILE NO. 14PLN-00074] On January 11, 2015, the City Council approved certification of the Final Environmental Impact Report (FEIR) and Approval of the Architectural Review to Allow Demolition of Four Existing Structures Totaling 265,895 sf and Construction of Four Two-Story Office Buildings Totaling 265,895 Square Feet of Floor Area with Below and At-Grade Parking and Other Site Improvements Located at 1050 Page Mill Road, making the following findings, determination and declarations: SECTION 1. BACKGROUND. The City Council of the City of Palo Alto (“City Council”) finds, determines, and declares as follows: A. On March 3, 2014, Allison Koo (Sand Hill Properties) on behalf of Board of Trustees of the Leland Stanford Jr. University applied for an Architectural Review application to allow demolition of four existing structures totaling 265,895 square feet and construction of four two-story office buildings totaling 265,895 square feet of floor area with below and at-grade parking and other site improvements. B. Staff has determined that the proposed project is in compliance with the applicable RP development standards. C. Finding regarding monitoring of Stanford Research Park FAR to be provided under separate cover. D. Following staff review, the Architectural Review Board (ARB) considered and recommended approval of the Architectural Review application on July 30, 2015. E. Following ARB review, the Planning and Transportation Commission (Commission) reviewed the Draft Environmental Impact Report (EIR) on August 12, 2015 and the Final EIR on December 9, 2015 and recommended certification. F. On January 11, 2016, the City Council reviewed the project design and the EIR. After hearing public testimony, the Council voted to approve the project subject to the conditions set forth in Section 4 of this Record of Land Use Action. SECTION 2. ENVIRONMENTAL REVIEW. In conformance with the California Environmental Quality Act (CEQA), an Environmental Impact Report was certified by the City Council on January 11, 2015. The 1050 Page Mill Road Project Environmental Impact Report (EIR) (State Clearinghouse No. 2014112015) concluded that the proposed project(s) would not have a significant effect on the environment with mitigation as proposed. The EIR is available for Page 2 review on the City’s web site: http://www.cityofpaloalto.org/news/displaynews.asp?NewsID=2642&TargetID=319. All mitigation measures as stated in the approved Mitigation Monitoring and Reporting Program (MMRP) have been incorporated into the conditions of approval. SECTION 3. ARCHITECTURE REVIEW BOARD FINDINGS The design and architecture of the proposed improvements, as conditioned, complies with the Findings for Architectural Review as required in Chapter 18.76 of the PAMC. Comprehensive Plan and Purpose of ARB: Finding #1: The design is consistent and compatible with applicable elements of the Palo Alto Comprehensive Plan. Finding #16: The design is consistent and compatible with the purpose of architectural review, which is to:  Promote orderly and harmonious development in the city;  Enhance the desirability of residence or investment in the city;  Encourage the attainment of the most desirable use of land and improvements;  Enhance the desirability of living conditions upon the immediate site or in adjacent areas; and  Promote visual environments which are of high aesthetic quality and variety and which, at the same time, are considerate of each other. The project is consistent with Findings #1 and #16 because: In conformance with the following Comp Plan Goals and Policies, the project will include high quality design compatible with surrounding development.  Policy L-1: A well-designed, compact city, providing residents and visitors with attractive neighborhoods, work places, shopping districts public facilities and open spaces.  Policy L-44: Develop the Stanford Research Park as a compact employment center served by a variety of transportation modes.  Policy L-48: Promote high quality, creative design and site planning that is compatible with surrounding development and public spaces.  Goal B-1: A thriving business environment that is compatible with Palo Alto’s residential character and natural environment. Compatibility and Character: Finding #2: The design is compatible with the immediate environment of the site. Finding #4: This finding of compatibility with unified or historic character is not applicable to the project (there is no unified design or historic character along this portion of El Camino Real). Finding #5: The design promotes harmonious transitions in scale and character in areas between different designated land uses. Finding #6: The design is compatible with approved improvements both on and off the site. Page 3 The project is consistent with Findings #2, #4, #5 and #6 because: The proposed buildings would replace existing Research & Development/Office buildings with two- story contemporary buildings. The project design is compatible with the forward thinking character of the Stanford Research Park in that its designed with high quality exterior finishes and human scaled buildings to create a campus like setting. The site incorporates work related functions with passive and active outdoor areas. The buildings are designed to integrate into the environmental setting and include intensive landscape plantings and outdoor features as well as pedestrian walkways to connect the larger area. Functionality and Open Space: Finding #3: The design is appropriate to the function of the project. Finding #7: The planning and siting of the building on the site creates an internal sense of order and provides a desirable environment for occupants, visitors and the general community. Finding #8: The amount and arrangement of open space are appropriate to the design and the function of the structures. The project is consistent with Findings #3, #7, and #8 because: The design is appropriate to the function of the project in that the placement of the two-story buildings create a series of human-scaled interconnected outdoor plaza that promote a quality of life for employees. The amount and arrangement of open space are appropriate to the design and the function of the structures in that the intensively landscaped central plaza provides outdoor rooms and event spaces which promotes participation and interaction with the environment. The architectural design emphasizes the use of natural daylight and other energy design elements that promote a healthy environment for employees. Circulation and Traffic: Finding #9: Sufficient ancillary functions are provided to support the main functions of the project and the same are compatible with the project’s design concept. Finding #10: Access to the property and circulation thereon are safe and convenient for pedestrians, cyclists and vehicles. The project is consistent with Findings #9 and #10 because: The project’s design concept provides adequate automobile, accessible and bicycle parking located conveniently with pedestrian access to the building entrances. Access to the property and circulation thereon are safe and convenient for pedestrians, cyclists and vehicles in that the existing access way off Page Mill Road and the interior perimeter road will be maintained for vehicular use. Bicycle parking is convenient and close to building entrances with long term bike parking in below grade parking garages. Landscaping and Plant Materials: Finding #11: Natural features are appropriately preserved and integrated with the project. Finding #12: The materials, textures and colors and details of construction and plant material are an appropriate expression to the design and function and compatible with the adjacent and Page 4 neighboring structures, landscape elements and functions. Finding #13: The landscape design concept for the site, as shown by the relationship of plant masses, open space, scale, plant forms and foliage textures and colors create a desirable and functional environment on the site and the landscape concept depicts an appropriate unit with the various buildings on the site. Finding #14: Plant material is suitable and adaptable to the site, capable of being properly maintained on the site, and is of a variety that would tend to be drought-resistant and to reduce consumption of water in its installation and maintenance. The project is consistent with Findings #11- #14 because: Several existing mature trees will be preserved and integrated into the project’s perimeter landscape. The building materials, textures and colors are complimentary to the environmental setting and the landscape design utilizes drought tolerant and native plants that are appropriate to the site. Exterior pathways connect one building to another and help complete the connection to the entire campus. Outdoor areas also contribute to adding functioning space that is compatible with the buildings and natural features of the site. Parking areas and buildings are well screened with intensive tree plantings and existing landscaping. Sustainability: Finding #15: The design is energy efficient and incorporates renewable energy design elements including, but not limited to: a. Careful building orientation to optimize daylight to interiors b. High performance, low-emissivity glazing c. Cool roof and roof insulation beyond Code minimum d. Solar ready roof e. Use of energy efficient LED lighting f. Low-flow plumbing and shower fixtures g. Below grade parking to allow for increased landscape and stormwater treatment areas The project is consistent with Finding #15 because: In accordance with the City’s Green Building Regulations, the building will satisfy the requirements for CALGreen Mandatory + Tier 2. The applicant is currently targeting Leadership in Energy and Environmental Design (LEED) Platinum status for the project with the inclusion of photovoltaics covering all roofs to generate 150,000 kilowatt-hours (kWh) per year. SECTION 4. Conditions of Approval. PLANNING DIVISION 1. The plans submitted for Building Permit shall be in substantial conformance with plans received and date stamped July 20, 2015, except as modified to incorporate these conditions of approval. Page 5 2. The ARB approval letter including all Department conditions of approval for the project shall be printed on the plans submitted for building permit. 3. Any exterior changes to the building such as size, location, materials or signage are subject to ARB review and approval prior to occupancy/installation. 4. Controlled Access: The project shall include a secure arm gate that restricts access between the subject site and 1117 California Avenue. This gate and associated access cards shall be maintained by the leaseholder and/or property owner. Access cards will only be issued to employees and visitors of 1117 California Avenue. Therefore, Page Mill Road would serve as the single point of ingress/egress for employees and visitors to the 1050 Page Mill Road site. The associated ingress/egress agreement shall be submitted to the City prior to the final Planning inspection, to the satisfaction of the Director of Planning. 5. Noise: In accordance with PAMC Section 9.10.040 no person shall produce, suffer or allow to be produced by any machine or device, or any combination of same, on commercial or industrial property, a noise level more than eight dB above the local ambient at any point outside of the property plane. 6. Amenity Space: The project shall include a minimum of 10,745 sf of amenity space. 7. Indemnity: To the extent permitted by law, the Applicant shall indemnify and hold harmless the City, its City Council, its officers, employees and agents (the “indemnified parties”) from and against any claim, action, or proceeding brought by a third party against the indemnified parties and the applicant to attack, set aside or void, any permit or approval authorized hereby for the Project, including (without limitation) reimbursing the City for its actual attorneys’ fees and costs incurred in defense of the litigation. The City may, in its sole discretion, elect to defend any such action with attorneys of its own choice. 8. Development Impact Fees. The proposed building will replace existing square footage, therefore no additional impact fees are due. 9. This matter is subject to the California Code of Civil Procedures (CCP) Section 1094.5; the time by which judicial review must be sought is governed by CCP Section 1094.6. 10. The approved use and/or construction are subject to, and shall comply with, all applicable City ordinances and laws and regulations of other governmental agencies. 11. A Planning Division Final inspection will be required to determine substantial compliance with the approved plans prior to the scheduling of a Building Division final. Any revisions during the building process must be approved by Planning, including but not limited to; materials, landscaping and hard surface locations. Contact your Project Planner, Jodie Gerhardt at Jodie.gerhardt@cityofpaloalto.org to schedule this inspection. Page 6 The applicant has included the following items in their project description, which are included below as conditions of approval. 12. Rooftop Photovoltaic Panels. Provided that the Feed In Tariff program for Palo Alto remains in effect at the rates as currently offered, the project will install Photovoltaic Panels on the roofs of the four proposed new buildings. Estimated that these panels will generate 400 Kw. 13. All Electric Building – No Natural Gas. Consistent with the City’s 2015 goal to reduce carbon emissions, the project will be powered entirely with electricity. Natural gas will not be used. 14. Energy Management Planning and LEED Certification. The Applicant will participate in the Department of Utilities net Zero Energy Design Review making use of groups such as Base Energy Community Group. The purpose is for the project to use the City’s High End Energy Modeling Services to provide design and engineering input to optimize the building’s performance for sustainable design and reduced energy use. In conjunction with these energy modeling services, the project, following its completion, will obtain LEED Platinum certification, to further its serving as a role model for Sustainable Design practices 15. EV Charging Stations. The project will provide eight Electrical Vehicle charging stations, subject to approval by the Director of Planning, with six in the underground structured parking garages, and two at grade that can be used by a public guest or client of the tenants and occupants of the site. 16. Comprehensive TDM Plan without any Parking Reduction. The proposed project will provide a comprehensive Transportation Demand Management Plan to be implemented by the Building Owner and made a condition, through lease covenants, with the new tenants for any tenant with greater than 20 employees. The project will provide a comprehensive TDM Plan despite not seeking or receiving any parking reduction as otherwise allowed under the Zoning Code. This plan shall be submitted to the Project Planner for review and approval prior to issuance of any Building permits. Annual updates shall be provided to the City, to the satisfaction of the Director of Planning and Community Environment. 17. Public Bicycle Pod. The applicant will offer the opportunity for a small bicycle pod for parking bicycles that may be used by the public. The City Transportation Division may determine that the site is unsuitable for a bicycle pod, but 1050 PMR will offer a location for a bicycle pod if it is useful. 18. Zip Car Locations. The applicant will offer locations for six Zip Cars. Zip Cars are installed based on economic analysis of usefulness by the provider of the vehicles. Applicant will cooperate with any Zip Car agency and the City Transportation Division to provide successful use of Zip Cars or similar by occupants of site. Page 7 19. Bicycle Paths. The project provides extensive bicycle paths on its site, and to other site, to encourage use of bicycles rather than single occupant vehicles. PUBLIC WORKS ENGINEERING PRIOR TO AN EXCAVATION AND GRADING PERMIT SUBMITTAL 20. GRADING PERMIT: An Excavation and Grading Permit is required for grading activities on private property that fill, excavate, store or dispose of 100 cubic yards or more based on PAMC Section 16.28.060. Applicant shall prepare and submit an excavation and grading permit to Public Works separately from the building permit set. The permit application and instructions are available at the Development Center and on our website. http://www.cityofpaloalto.org/gov/depts/pwd/forms_and_permits.asp 21. ROUGH GRADING: provide a Rough Grading Plan for the work proposed as part of the Grading and Excavation Permit application. The Rough Grading Plans shall including the following: pad elevation, basement elevation, elevator pit elevation, ground monitoring wells, shoring for the proposed basement and utilities to remain, limits of over excavation, stockpile area of material, overall earthwork volumes (cut and fill), temporary shoring for any existing facilities, ramps for the basement access, crane locations (if any), parking for construction workers, etc. Plans submitted for the Grading and Excavation Permit, shall be stand-alone, and therefore the plans shall include any conditions from other divisions that pertain to items encountered during rough grading for example if contaminated groundwater is encountered and dewatering is expected, provide notes on the plans based Water Quality’s conditions of approval. Provide a note on the plans to direct the contractor to the approve City of Palo Alto Truck Route Map, which is available on the City’s website. 22. GEOTECHNICAL REPORT: Shall clearly identify the highest projected groundwater level to be encountered in the area of the proposed basement in the future will be feet below existing grade. 23. NOTICE OF INTENT: If the proposed development disturbs more than one acre of land, the applicant will be required to comply with the State of California’s General Permit for Storm Water Discharges Associated with Construction Activity. This entails filing a Notice of Intent to Comply (NOI), paying a filing fee, and preparing and implementing a site specific storm water pollution prevention plan (SWPPP) that addresses both construction-stage and post construction Best Management Practices (BMP) for storm water quality protection. The applicant is required to submit two copies of the NOI and the draft SWPPP to Public Works Engineering for review and approval prior to issuance of the building permit. 24. LOGISTICS PLAN: The applicant and contractor shall submit a construction logistics plan to the Public Works Department that addresses all impacts to the public right-of-way, including, but not limited to: pedestrian control, traffic control, truck routes, material deliveries, contractor’s parking, on-site staging and storage areas, concrete pours, crane lifts, work hours, noise Page 8 control, dust control, storm water pollution prevention, contractor’s contact. The plan shall be prepared and submitted along the Rough Grading and Excavation Permit. It shall include notes as indicated on the approved Truck Route Map for construction traffic to and from the site. Permits from County or conditions for Page Mill associated with the off-haul. 25. DEWATERING: Basement excavation may require dewatering during construction. Public Works only allows groundwater drawdown well dewatering. Open pit groundwater dewatering is not allowed. Dewatering is only allowed from April through October due to inadequate capacity in our storm drain system. The geotechnical report for this site must list the highest anticipated groundwater level. We recommend that a piezometer be installed in the soil boring. The contractor shall determine the depth to groundwater immediately prior to excavation by using a piezometer or by drilling and exploratory hole. Based on the determined groundwater depth and season the contractor may be required to dewater the site or stop all grading and excavation work. In addition Public Works may require that all groundwater be tested for contaminants prior to initial discharge and at intervals during dewatering. If testing is required, the contractor must retain an independent testing firm to test the discharge water for contaminants Public Works specifies and submit the results to Public Works. 26. WATER FILLING STATION: Due to the California drought, applicant shall install a water station for the non-potable reuse of the dewatering water. This water station shall be constructed within private property, next to the right-of-way, (typically, behind the sidewalk). The station shall be accessible 24 hours a day for the filling of water carrying vehicles (i.e. street sweepers, etc.). The water station may also be used for onsite dust control. Before a discharge permit can be issued, the water supply station shall be installed, ready for operational and inspected by Public Works. The groundwater will also need to be tested for contaminants and chemical properties for the non-potable use. The discharge permit cannot be issued until the test results are received. Additional information regarding the station will be made available on the City’s website under Public Works. 27. TRANSFORMER AND ELECTRIC UTILITIES: As brought up by Public Works Utilities during DRC, the electric utilities services located through the project site will need to be relocated prior to issuance of a building permit. Applicant shall coordinate with utilities the proposed electrical utility relocation and provide confirmation to Public Works Engineering that the phasing of electric relocation is resolved. Note that electric utility relocation may need to be completed in the field prior to issuance a grading and excavation permit. PRIOR TO ISSUANCE OF A BUILDING PERMIT 28. PUBLIC UTILITY EASEMENT: Based on the plans provided it is difficult to determine the portions of Public Utility Easements (PUE) that will need to be abandoned and where the proposed PUE will be located. Plan shall clearly show the location and width of the proposed public utility easements for reviewed and approved by the City prior to recordation. Note that no structures shall be located within an easement. Page 9 29. SHARED PARKING AND ACCESS AGREEMENT: Clarify who benefits for the shared parking agreement document 142259356 as shown on Sheet C1.0. Will the occupants of 142-20-090 continue to have access to park on 142-20-91? Will the proposed development of 142-20-091, continue to provide the min and max number of stalls as described in the agreement? 30. PAGE MILL ROAD: Is a County maintained Road. Applicant shall contact the County to obtain the necessary approvals and for any work proposed on Page Mill Road right-of-way. Applicant shall submit a copy of permit from County to the City. 31. GRADING AND DRAINAGE PLAN: Provide a separate Grading and Drainage Plan prepared by a qualified licensed engineer, surveyor or architect. Plan shall be wet-stamped and signed by the same. Plan shall include the following: existing and proposed spot elevations, earthwork volumes (cut and fill in CY), pad, finished floor, garage elevation, base flood elevation (if applicable) grades along the project conforms, property lines, or back of walk. See PAMC Section 16.28.110 for additional items. Projects that front directly into the public sidewalk, shall include grades at the doors or building entrances. Provide drainage flow arrows to demonstrate positive drainage away from building foundations at minimum of 2% or 5% for 10-feet per 2013 CBC Section 1804.3. Label the downspouts, splashblocks (2-feet long min) and any site drainage features such as swales, area drains, bubbler locations. Include grate elevations, low points, high points and grade breaks. In no case shall drainage across property lines exceed that which existed prior to grading per 2013 CBC Section J109.4. Provide the following note on the Final Grading Plans. “In my professional judgement, the highest projected groundwater level to be encountered in the area of the proposed basement in the future will be feet below existing grade. As a result, the proposed drainage system for the basement retaining wall will not encounter and pump groundwater during the life of this wall.” 32. The site drainage system that collects runoff from downspouts and landscape area shall be a separated from the pump system that discharges runoff from light wells. Plot and clearly label the two separate systems and including the separate outfalls for each system. 33. ACCESSIBILITY: The path of travel does not connect buildings 2, 3 and 4 with building 1. Provide an accessible path of travel. 34. STORM WATER HYDRAULICS AND HYDROLOGY: Provide an analysis that compares the existing and proposed runoff calculations from the site for the 10 year storm event, 6 hour duration. The IDF tables and Precipitation Map for Palo Alto is available County of Santa Clara County Drainage Manual dated October 2007. The proposed project shall not increase runoff to the public storm drain system. 35. STAIRWELLS AND LIGHTWELLS: Due to high groundwater throughout much of the City and Public Works prohibiting the pumping and discharging of groundwater, perforated pipe drainage systems at the exterior of the basement walls or under the slab are not allowed for Page 10 this site. A drainage system is, however, required for all exterior basement-level spaces, such as lightwells, patios or stairwells. This system consists of a sump, a sump pump, a backflow preventer, and a closed pipe from the pump to a dissipation device onsite at least 10 feet from the property line, such as a bubbler box in a landscaped area, so that water can percolate into the soil and/or sheet flow across the site. The device must not allow stagnant water that could become mosquito habitat. Additionally, the plans must show that exterior basement-level spaces are at least 7-3/4” below any adjacent windowsills or doorsills to minimize the potential for flooding the basement. Public Works recommends a waterproofing consultant be retained to design and inspect the vapor barrier and waterproofing systems for the basement. 36. BIORETENTION SWALES shall be designed to use the full swale length for treatment, place the bubbler (outlet) and catch basin (inlet) at the ends of the swale. 37. UTILITES AND BIORETENTION AREAS: Due to maintenance and inspection requirements associated with treatment areas, utilities that are not associated with the bio-retention design, shall not be installed within the bio-retention areas. 38. STORM WATER TREATMENT: This project shall comply with the storm water regulations contained in provision C.3 of the NPDES municipal storm water discharge permit issued by the San Francisco Bay Regional Water Quality Control Board (and incorporated into Palo Alto Municipal Code Chapter 16.11). These regulations apply to land development projects that create or replace 10,000 square feet or more of impervious surface. In order to address the potential permanent impacts of the project on storm water quality, the applicant shall incorporate into the project a set of permanent site design measures, source controls, and treatment controls that serve to protect storm water quality, subject to the approval of the Public Works Department. The applicant shall identify, size, design and incorporate permanent storm water pollution prevention measures (preferably landscape-based treatment controls such as bioswales, filter strips, and permeable pavement rather than mechanical devices that require long-term maintenance) to treat the runoff from a “water quality storm” specified in PAMC Chapter 16.11 prior to discharge to the municipal storm drain system. Effective February 10, 2011, regulated projects, must contract with a qualified third-party reviewer during the building permit review process to certify that the proposed permanent storm water pollution prevention measures comply with the requirements of Palo Alto Municipal Code Chapter 16.11. The certification form, 2 copies of approved storm water treatment plan, and a description of Maintenance Task and Schedule must be received by the City from the third- party reviewer prior to approval of the building permit by the Public Works department. Within 45 days of the installation of the required storm water treatment measures and prior to the issuance of an occupancy permit for the building, third-party reviewer shall also submit to the City a certification for approval that the project’s permanent measures were constructed and installed in accordance to the approved permit drawings. 39. IMPERVIOUS SURFACE AREA: The project will be creating or replacing 500 square feet or more of impervious surface. Accordingly, the applicant shall provide calculations of the existing and proposed impervious surface areas with the building permit application. The Impervious Area Page 11 Worksheet for Land Developments form and instructions are available at the Development Center or on our website. PRIOR TO BUILDING PERMIT FINAL 40. STORMWATER MAINTENANCE AGREEMENT: The applicant shall designate a party to maintain the control measures for the life of the improvements and must enter into a maintenance agreement with the City to guarantee the ongoing maintenance of the permanent C.3 storm water discharge compliance measures. The maintenance agreement shall be executed prior to the first building occupancy sign-off. The City will inspect the treatment measures yearly and charge an inspection fee. There is currently a $381 (FY 2015) C.3 plan check fee that will be collected upon submittal for a grading or building permit. PUBLIC WORKS URBAN FORESTRY SECTION PRIOR TO DEMOLITION, BUILDING OR GRADING PERMIT ISSUANCE 40. BUILDING PERMIT SUBMITTAL- PROJECT ARBORIST CERTIFICATION LETTER. Prior to submittal for staff review, attach a Project Arborist Certification Letter that he/she has; (a) reviewed the entire building permit plan set submittal and, (b)* verified all his/her updated TPR mitigation measures and changes are incorporated in the plan set, (c) affirm that ongoing Contractor/Project Arborist site monitoring inspections and reporting have been arranged with the contractor or owner (see Sheet T-1) and, (d) understands that design revisions (site or plan changes) within a TPZ will be routed to Project Arborist/Contractor for review prior to approval from City. * (b above) Other information. The Building Permit submittal set shall be accompanied by the project site arborist’s typed certification letter that the plans have incorporated said design changes for consistency with City Standards, Regulations and information: a. Applicant/project arborist’s final revised Tree Protection Report (TPR) with said design changes and corresponding mitigation measures. (e.g.: if Pier/grade beam=soils report w/ specs required by Bldg. Div.; if Standard foundation= mitigation for linear 24” cut to all roots in proximity) b. Palo Alto Tree Technical Manual Construction Standards, Section 2.00 and PAMC 8.10.080. c. Specialty items. Itemized list of any activity impact--quantified and mitigated, in the Tree Protection Zone (TPZ) for each tree. d. Oaks, if present. That landscape and irrigation plans are consistent with CPA Tree Technical Manual, Section 5.45 and Appendix L, Landscaping under Native Oaks and PAMC 18.40.130. 41. BUILDING PERMIT CORRECTIONS/REVISIONS--COVER LETTER. During plan check review, provide a separate cover letter with Correction List along with the revised drawings when resubmitting. State where the significant tree impacts notes occur (bubble) and indicate the sheet number and/or detail where the correction has been made. Provide: 1) corresponding revision number and 2) bubble or highlights for easy reference. Responses such as “see plans or report” or “plans comply” are not acceptable. Your response should be clear and complete to assist the re-check and approval process for your project. Page 12 42. TREE APPRAISAL & SECURITY DEPOSIT AGREEMENT. (Reference: CPA Tree Technical Manual, Section 6.25). Prior to the issuance of a grading or building permit, the applicant shall prepare and secure a tree appraisal and security deposit agreement stipulating the duration and monitoring program. The appraisal of the condition and replacement value of all trees to remain shall recognize the location of each tree in the proposed development. Listed separately, the appraisal may be part of the Tree Survey Report. For the purposes of a security deposit agreement, the monetary market or replacement value shall be determined using the most recent version of the “Guide for Plan Appraisal”, in conjunction with the Species and Classification Guide for Northern California. The appraisal shall be performed at the applicant’s expense, and the appraiser shall be subject to the Director’s approval. a. SECURITY DEPOSIT AGREEMENT. Prior to grading or building permit issuance, as a condition of development approval, the applicant shall post a security deposit for the 150% of the appraised replacement value of the following 23 Designated Trees: (ID numbers to be determined), to be retained and protected.. The total amount for this project is: $ To Be Determined with Urban Forestry staff. The security may be a cash deposit, letter of credit, or surety bond and shall be filed with the Revenue Collections/Finance Department or in a form satisfactory to the City Attorney. b. SECURITY DEPOSIT & MONITORING PROGRAM. The project sponsor shall provide to the City of Palo Alto an annual tree evaluation report prepared by the project arborist or other qualified certified arborist, assessing the condition and recommendations to correct potential tree decline for trees remain and trees planted as part of the mitigation program. The monitoring program shall end two years from date of final occupancy, unless extended due to tree mortality and replacement, in which case a new two year monitoring program and annual evaluation report for the replacement tree shall begin. Prior to occupancy, a final report and assessment shall be submitted for City review and approval. The final report shall summarize the Tree Resources program, documenting tree or site changes to the approved plans, update status of tree health and recommend specific tree care maintenance practices for the property owner(s). The owner or project sponsor shall call for a final inspection by the Planning Division Arborist. c. SECURITY DEPOSIT DURATION. The security deposit duration period shall be two years (or five years if determined by the Director) from the date of final occupancy. Return of the security guarantee shall be subject to City approval of the final monitoring report. A tree shall be considered dead when the main leader has died back, 25% of the crown is dead or if major trunk or root damage is evident. A new tree of equal or greater appraised value shall be planted in the same area by the property owner. Landscape area and irrigation shall be readapted to provide optimum growing conditions for the replacement tree. The replacement tree that is planted shall be subject to a new two-year establishment and monitoring program. The project sponsor shall provide an annual tree evaluation report as originally required. 43. PLAN SET REQUIREMENTS. The final Plans submitted for building permit shall include Page 13 a. SHEET T-1, BUILDING PERMIT. The building permit plan set will include the City’s full-sized, Sheet T-1 (Tree Protection-it's Part of the Plan!), available on the Development Center website at http://www.cityofpaloalto.org/civicax/filebank/documents/31783. The Applicant shall complete and sign the Tree Disclosure Statement and recognize the Project Arborist Tree Activity Inspection Schedule. Monthly reporting to Urban Forestry/Contractor is mandatory. (Insp. #1: applies to all projects; with tree preservation report: Insp. #2-6 applies; with landscape plan: Insp. #7 applies.) b. The Tree Preservation Report (TPR). All sheets of the Applicant’s TPR approved by the City for full implementation by Contractor, ArborResources, Inc., shall be printed on numbered Sheet T-1 (T-2, T-3, etc) and added to the sheet index. 44. PLANS--SHOW PROTECTIVE TREE FENCING. The Plan Set (esp. site, demolition, grading & drainage, foundation, irrigation, tree disposition, utility sheets, etc.) must delineate/show Type I or Type II fencing around each Regulated Trees, using a bold dashed line enclosing the Tree Protection Zone as shown on Standard Dwg. #605, Sheet T-1, and the City Tree Technical Manual, Section 6.35-Site Plans; or using the Project Arborist’s unique diagram for each Tree Protection Zone enclosure. 45. SITE PLAN REQUIREMENTS: Plans with Public Trees shall show (a) Type II street tree fencing enclosing the entire parkway strip or, (b) Type I protection to the outer branch dripline (for rolled curb & sidewalk or no-sidewalk situations.) a. Add Site Plan Notes.) i. Note #1. Apply to the site plan stating, "All tree protection and inspection schedule measures, design recommendations, watering and construction scheduling shall be implemented in full by owner and contractor, as stated on Sheet T-1, in the Tree Protection Report and the approved plans”. ii. Note #2. All civil plans, grading plans, irrigation plans, site plans and utility plans and relevant sheets shall add a note applying to the trees to be protected, including neighboring trees stating: "Regulated Tree--before working in this area contact the Project Site Arborist at 650-654-3351 "; iii. Note #3. Utility (sanitary sewer/gas/water/backflow/electric/storm drain) plan sheets shall include the following note: “Utility trenching shall not occur within the TPZ of the protected tree. Contractor shall be responsible for ensuring that no trenching occurs within the TPZ of the protected tree by contractors, City crews or final landscape workers. See sheet T-1 for instructions.” iv. Note #4. “Basement or foundation plan. Soils Report and Excavation for basement construction within the TPZ of a protected tree shall specify a vertical cut (stitch piers may be necessary) in order to avoid over-excavating into the tree root zone. Any variance from this procedure requires Urban Forestry approval, please call (650) 496- 5953.” v. Note #5. “Pruning Restrictions. No pruning or clearance cutting of branches is permitted on City trees. Contractor shall obtain a Public Tree Permit from Urban Forestry (650-496-5953) for any work on Public Trees” Page 14 46. TREE REMOVAL—PROTECTED & RIGHT-OF-WAY TREES. Existing trees (Publicly-owned or Protected) to be removed, as shown accurately located on all site plans, require approval by the Urban Forestry Tree Care Permit prior to issuance of any building, demolition or grading permit. Must also be referenced in the required Street Work Permit from Public Works Engineering. a. Add plan note for each tree to be removed, “Tree Removal. Contractor shall obtain a completed Urban Forestry Tree Care Permit # (contractor to complete) separate from the Building or Street Work Permit. Permit notice hanger and conditions apply. Contact (650-496-5953).” b. Copy the approval. The completed Tree Care Permit shall be printed on Sheet T-2, or specific approval communication from staff clearly copied directly on the relevant plan sheet. The same Form is used for public or private Protected tree removal requests available from the Urban Forestry webpage: http://www.cityofpaloalto.org/gov/depts/pwd/trees/default.asp 47. Provide a Tree Relocation Plan. Please include the project arborist’s Tree Disposition and TRP information for the relocated trees. Include a comprehensive plan for each tree: Appraisal for security guarantee purpose, detailed instructions for implementation, tree condition, photo status of foliage and structure. Identify the primary contractor, project site arborist and professional tree locating company overseeing the effort, timing of phased boxing and relocation, watering schedule, moisture meter readings at three levels, storage locations, watering schedule, locations of final planting and soil modification (mechanical tilling, etc.) details for area abutting the relocated tree. The TRP shall be provided digitally to City. 48. Engineered Soil Mix shall be shown in the relevant civil sheets and landscape sheets to be located on both sides of each parking lot finger island and other areas for tree rooting soil. The ESM shall be displayed with cross-hatched areas at each installation location. The ESM Specifications (PW Section 30 & Detail #603a) shall be printed in the plan set or located in the site spec book. Pervious surface area and the cubic footage designated for ESM use shall be shown as well (ie dimensions of ESM area with minimum of 2’ depth). The pdf is attached to the email to the applicant. 49. A Security Bond shall be collected and Memorandum of Understanding signed and processed for the trees to be relocated and interior Protected Trees to be preserved. Contact Dave Dockter and Elise Willis for a draft MoU and to schedule an appointment to take in payment and paperwork. The MOU and Bond can be planned once we have tree value appraisals from the arborist and TRP addressed in #4. The TRP shall be and attachment to the MoU. 50. The plan set (site, demolition, grading & drainage, irrigation, tree disposition, utility sheets, etc.) must show Type I or modified Type III fencing around each Regulated Trees, using a bold dashed line enclosing the Tree Protection Zone as shown on Standard Dwg. #605 or using the Project Page 15 Arborist’s unique diagram for each Tree Protection Zone enclosure. The pdf is attached to the email to the applicant. 51. Please add the project arborist to the Project Directory on the cover sheet. 52. Please add the following notes to the site plan: a. “All tree protection and inspection schedule measures, design recommendations, watering and construction scheduling shall be implemented in full by owner and contractor, as stated on Sheet T-1, in the Tree Protection Report and the approved plans.” b. “Utility trenching shall not occur within the TPZ of the protected tree. Contractor shall be responsible for ensuring that no trenching occurs within the TPZ of the protected tree by contractors, City crews or final landscape workers. See sheet T-1 for instructions.” c. “Basement or foundation plan. Soils Report and Excavation for basement construction within the TPZ of a protected tree shall specify a vertical cut (stitch piers may be necessary) in order to avoid over-excavating into the tree root zone. Any variance from this procedure requires Urban Forestry approval.” d. “Pruning Restrictions. No pruning or clearance cutting of branches is permitted on City trees. Contractor shall obtain a Public Tree Permit from Urban Forestry (650-496-5953) for any work on Public Trees.” 53. Please add the following note to the site, demo, grading & drainage, irrigation, landscape, and utility plans applying to the trees to be protected, including neighboring trees stating: "Regulated Tree--before working in this area contact the Project Site Arborist." 54. Please add note to the planting plan for each protected tree to be removed: “Tree Removal. Contractor shall obtain a completed Urban Forestry Tree Care Permit (contractor to complete) separate from the Building or Street Work Permit. Permit notice hanger and conditions apply. Contact (650-496-5953).” 55. Plans shall show the application of root buffer around the protected trees to be maintained by Contractor and inspection of Project Arborist. Area within the dripline (10X the diameter) that is not fenced should have a 6-12 inch layer of wood chips topped with ¾” plywood to remain until final grading. Indicate areas of root buffer on the site plan. Page 16 56. NEW RIGHT-OF-WAY TREES--PLAN REQUIREMENTS. New trees shall be shown with a 10’ clear radius zone from any (new or existing) underground utility or curb cut, in coordination with all relevant plans (site, utility, irrigation, landscape, etc.) a. Add note on the Planting Plan that states, “Tree Planting. Prior to in-ground installation, Urban Forestry inspection/approval required for tree stock, planting conditions and irrigation adequacy. Contact (650-496-5953).” b. Landscape Plans shall state the Urban Forestry approved species, size and include relevant Standard Planting Dwg. #603, #603a or #604 (reference which), and shall note the tree pit dug at least twice the diameter of the root ball. c. Landscape plan shall include planting preparation details for trees specifying digging the soil to at least 30-inches deep, backfilled with a quality topsoil and dressing with 2-inches of wood or bark mulch on top of the root ball keeping clear of the trunk by 1-inch. d. Add note on the Planting & Irrigation Plan that states, “Irrigation and tree planting in the right-of-way requires a street work permit per CPA Public Works standards.” e. Automatic irrigation shall be provided for each tree. Standard Dwg. #513 shall be included on the irrigation plans and show two bubbler heads mounted on flexible tubing placed at the edge of the root ball. Bubblers mounted inside an aeration tube are prohibited. The tree irrigation system shall be connected to a separate valve from other shrubbery and ground cover, pursuant to the City's Landscape Water Efficiency Standards. 57. NEW TREES—SOIL VOLUME. Unless otherwise approved, plans shall indicate new right-of-way trees provided with 800 cubic feet of rootable soil area, utilizing Standard Dwg. #604/513. Rootable soil shall mean compaction less than 90% over the area, not including sidewalk base areas except when mitigated. Sidewalk or asphalt base underlayment [in lieu of compacted base rock] shall use an Alternative Base Material method such as structural grid (Silva Cell) or engineered soil mix (ESM). Design and manufacturer details shall be added to relevant civil and landscape sheets. Each parking lot tree in small islands and all public trees shall be provided adequate rootable soil commensurate to mature tree size. Note: this expectation requires coordination with the engineer, arborist and landscape architect. a. Minimum soil volume for tree size growth performance (in cubic feet): Large: 1,200 cu.ft. Medium: 800 cu.ft. Small: 400 cu.ft. b. Landscape Plan. When qualifying for parking area shade ordinance compliance (PAMC 18.40.130) trees shall be labeled (as S, M or L). c. Engineered Soil Mix (ESM). When approved, Engineered Soil Mix base material shall be utilized in specified areas, such as a sidewalk base or channeling to a landscape area, to achieve expected shade tree rooting potential and maximum service life of the sidewalk, curb, parking surfaces and compacted areas. Plans and Civil Drawings shall use CPA Public Works Engineering ESM Specifications, Section 30 and Standard Dwg. #603a. Designated Page 17 areas will be identified by cross-hatch or other symbol, and specify a minimum of 24" depth. The technology may be counted toward any credits awarded for LEED or Sustainable Sites certification ratings. 58. LANDSCAPE PLANS a. Include all changes recommended from civil engineer, architect and staff, including planting specifications if called for by the project arborist, b. Provide a detailed landscape and irrigation plan encompassing on-and off-site plantable areas out to the curb as approved by the Architectural Review Board. A Landscape Water Use statement, water use calculations and a statement of design intent shall be submitted for the project. A licensed landscape architect and qualified irrigation consultant will prepare these plans, to include: i. All existing trees identified both to be retained and removed including street trees. ii. Complete plant list indicating tree and plant species, quantity, size, and locations. iii. Irrigation schedule and plan. iv. Fence locations. v. Lighting plan with photometric data. vi. Landscape Plan shall ensure the backflow device is adequately obscured with the appropriate screening to minimize visibility (planted shrubbery is preferred, painted dark green, decorative boulder covering acceptable; wire cages are discouraged). vii. All new trees planted within the public right-of-way shall be installed per Public Works (PW) Standard Planting Diagram #603 or 604 (include on plans), and shall have a tree pit dug at least twice the diameter of the root ball. viii. Landscape plan shall include planting preparation details for trees specifying digging the soil to at least 30-inches deep, backfilled with a quality topsoil and dressing with 2-inches of wood or bark mulch on top of the root ball keeping clear of the trunk by 1-inch. ix. Automatic irrigation shall be provided to all trees. For trees, Standard Dwg. #513 shall be included on the irrigation plans and show two bubbler heads mounted on flexible tubing placed at the edge of the root ball. Bubblers shall not be mounted inside an aeration tube. The tree irrigation system shall be connected to a separate valve from other shrubbery and ground cover, pursuant to the City's Landscape Water Efficiency Standards. Irrigation in the right-of-way requires a street work permit per CPA Public Works standards. c. Add Planting notes to include the following mandatory criteria: i. Prior to any planting, all plantable areas shall be tilled to 12” depth, and all construction rubble and stones over 1” or larger shall be removed from the site. ii. A turf-free zone around trees 36” diameter (18” radius) required for best tree performance. d. Add note: “Mandatory Landscape Architect (LA) Inspections and Verification to the City. The LA shall verify the performance measurements are achieved with a letter of verification to City Planning staff, in addition to owner’s representative for the following: i. All the above landscape plan and tree requirements are in the Building Permit set of plans. Page 18 ii. Percolation & drainage checks have been performed and are acceptable. iii. Fine grading inspection of all plantable areas has been personally inspected for tilling depth, rubble removal, soil test amendments are mixed and irrigation trenching will not cut through any tree roots. iv. Tree and Shrub Planting Specifications, including delivered stock, meets Standards in the CPA Tree Technical Manual, Section 3.30-3.50. Girdling roots and previously topped trees are subject to rejection. 59. TREE PROTECTION VERIFICATION. Prior to demolition, grading or building permit issuance, a written verification from the contractor that the required protective fencing is in place shall be submitted to the Building Inspections Division. The fencing shall contain required warning sign and remain in place until final inspection of the project. DURING CONSTRUCTION 60. EXCAVATION RESTRICTIONS APPLY (TTM, Sec. 2.20 C & D). Any approved grading, digging or trenching beneath a tree canopy shall be performed using ‘air-spade’ method as a preference, with manual hand shovel as a backup. For utility trenching, including sewer line, roots exposed with diameter of 1.5 inches and greater shall remain intact and not be damaged. If directional boring method is used to tunnel beneath roots, then Table 2-1, Trenching and Tunneling Distance, shall be printed on the final plans to be implemented by Contractor. 61. PLAN CHANGES. Revisions and/or changes to plans before or during construction shall be reviewed and responded to by the (a) project site arborist, ArborResources, (650-496-5953, or (b) landscape architect with written letter of acceptance before submitting the revision to the Building Department for review by Planning, PW or Urban Forestry. 62. CONDITIONS. All Planning Department conditions of approval for the project shall be printed on the plans submitted for building permit. 63. TREE PROTECTION COMPLIANCE. The owner and contractor shall implement all protection and inspection schedule measures, design recommendations and construction scheduling as stated in the TPR & Sheet T-1, and is subject to code compliance action pursuant to PAMC 8.10.080. The required protective fencing shall remain in place until final landscaping and inspection of the project. Project arborist approval must be obtained and documented in the monthly activity report sent to the City. The mandatory Contractor and Arborist Monthly Tree Activity Report shall be sent monthly to the City (pwps@cityofpaloalto.org) beginning with the initial verification approval, using the template in the Tree Technical Manual, Addendum 11. 64. TREE DAMAGE. Tree Damage, Injury Mitigation and Inspections apply to Contractor. Reporting, injury mitigation measures and arborist inspection schedule (1-5) apply pursuant to TTM, Section 2.20-2.30. Contractor shall be responsible for the repair or replacement of any publicly owned or protected trees that are damaged during the course of construction, pursuant to Title 8 of the Palo Alto Municipal Code, and city Tree Technical Manual, Section 2.25. Page 19 65. GENERAL. The following general tree preservation measures apply to all trees to be retained: No storage of material, topsoil, vehicles or equipment shall be permitted within the tree enclosure area. The ground under and around the tree canopy area shall not be altered. Trees to be retained shall be irrigated, aerated and maintained as necessary to ensure survival. PRIOR TO OCCUPANCY 66. URBAN FORESTRY DIGITAL FILE & INSPECTION. The applicant or architect shall provide a digital file of the landscape plan, including new off-site trees in the publicly owned right-of-way. A USB Flash Drive, with CAD or other files that show species, size and exact scaled location of each tree on public property, shall be delivered to Urban Forestry at a tree and landscape inspection scheduled by Urban Forestry (650-496-5953). 67. LANDSCAPE CERTIFICATION LETTER. The Planning Department shall be in receipt of a verification letter that the Landscape Architect has inspected all trees, shrubs, planting and irrigation and that they are installed and functioning as specified in the approved plans. 68. PROJECT ARBORIST CERTIFICATION LETTER. Prior to written request for temporary or final occupancy, the contractor shall provide to the Planning Department and property owner a final inspection letter by the Project Arborist. The inspection shall evaluate the success or needs of Regulated tree protection, including new landscape trees, as indicated on the approved plans. The written acceptance of successful tree preservation shall include a photograph record and/or recommendations for the health, welfare, mitigation remedies for injuries (if any). The final report may be used to navigate any outstanding issues, concerns or security guarantee return process, when applicable. 69. PLANNING INSPECTION. Prior to final sign off, contractor or owner shall contact the city planner (650-329-2441) to inspect and verify Special Conditions relating to the conditions for structures, fixtures, colors and site plan accessories. POST CONSTRUCTION 70. MAINTENANCE. All landscape and trees shall be maintained, watered, fertilized, and pruned according to Best Management Practices-Pruning (ANSI A300-2008 or current version) and the City Tree Technical Manual, Section 5.00. Any vegetation that dies shall be replaced or failed automatic irrigation repaired by the current property owner within 30 days of discovery. UTILITILES - WATER,GAS,WASTEWATER PRIOR TO SUBMITTAL OF DEMOLITION PERMIT 71. Prior to demolition, the applicant shall submit the existing water/wastewater fixture unit loads (and building as-built plans to verify the existing loads) to determine the capacity fee credit for the existing load. If the applicant does not submit loads and plans they may not receive credit for the existing water/wastewater fixtures. Page 20 72. The applicant shall submit a request to disconnect all utility services and/or meters including a signed affidavit of vacancy. Utilities will be disconnected or removed within 10 working days after receipt of request. The demolition permit will be issued by the building inspection division after all utility services and/or meters have been disconnected and removed. PRIOR TO SUBMITTAL FOR BUILDING PERMIT 73. The applicant shall submit a completed water-gas-wastewater service connection application - load sheet for City of Palo Alto Utilities. The applicant must provide all the information requested for utility service demands (water in fixture units/g.p.m., gas in b.t.u.p.h, and sewer in fixture units/g.p.d.). The applicant shall provide the existing (prior) loads, the new loads, and the combined/total loads (the new loads plus any existing loads to remain). 74. The applicant shall submit improvement plans for utility construction. The plans must show the size and location of all underground utilities within the development and the public right of way including meters, backflow preventers, fire service requirements, sewer mains, sewer cleanouts, sewer lift stations and any other required utilities. 75. The applicant must show on the site plan the existence of any auxiliary water supply, (i.e. water well, gray water, recycled water, rain catchment, water storage tank, etc). 76. The applicant shall be responsible for installing and upgrading the existing utility mains and/or services as necessary to handle anticipated peak loads. This responsibility includes all costs associated with the design and construction for the installation/upgrade of the utility mains and/or services. 77. The applicant's engineer shall submit flow calculations and system capacity study showing that the on-site and off-site water and sanitary sewer mains and services will provide the domestic, irrigation, fire flows, and wastewater capacity needed to service the development and adjacent properties during anticipated peak flow demands. Field testing may be required to determined current flows and water pressures on existing water main. Calculations must be signed and stamped by a registered civil engineer. The applicant is required to perform, at his/her expense, a flow monitoring study of the existing sewer main to determine the remaining capacity. The report must include existing peak flows or depth of flow based on a minimum monitoring period of seven continuous days or as determined by the senior wastewater engineer. The study shall meet the requirements and the approval of the WGW engineering section. No downstream overloading of existing sewer main will be permitted. 78. For contractor installed water and wastewater mains or services, the applicant shall submit to the WGW engineering section of the Utilities Department four copies of the installation of water and wastewater utilities off-site improvement plans in accordance with the utilities department design criteria. All utility work within the public right-of-way shall be clearly shown on the plans that are prepared, signed and stamped by a registered civil engineer. The contractor shall also submit a complete schedule of work, method of construction and the manufacture's literature on the materials to be used for approval by the utilities engineering section. The applicant's contractor Page 21 will not be allowed to begin work until the improvement plan and other submittals have been\approved by the water, gas and wastewater engineering section. After the work is complete but prior to sign off, the applicant shall provide record drawings (as-builts) of the contractor installed water and wastewater mains and services per City of Palo Alto Utilities record drawing procedures. For contractor installed services the contractor shall install 3M marker balls at each water or wastewater service tap to the main and at the City clean out for wastewater laterals. 79. Water, gas, and sewer utilities are connected from Page Mill Rd. to the front of the property accept for the gas meter/s (above ground). The water meter and City’s sewer clean out in the public right of way and the gas meter to be on private property all required to be approved by the utility inspector. 80. An approved reduced pressure principle assembly (RPPA backflow preventer device) is required for all existing and new water connections from Palo Alto Utilities to comply with requirements of California administrative code, title 17, sections 7583 through 7605 inclusive. The RPPA shall be installed on the owner's property and directly behind the water meter within 5 feet of the property line. RPPA’s for domestic service shall be lead free. Show the location of the RPPA on the plans. 81. An approved reduced pressure detector assembly is required for the existing or new water connection for the fire system to comply with requirements of California administrative code, title 17, sections 7583 through 7605 inclusive (a double detector assembly may be allowed for existing fire sprinkler systems upon the CPAU’s approval). reduced pressure detector assemblies shall be installed on the owner's property adjacent to the property line, within 5’ of the property line. Show the location of the reduced pressure detector assembly on the plans. 82. All backflow preventer devices shall be approved by the WGW engineering division. Inspection by the city building inspector is required for the supply pipe between the meter and the assembly. 83. Existing wastewater laterals that are not plastic (ABS, PVC, or PE) shall be replaced at the applicant’s expense. 84. Existing water services that are not a currently standard material shall be replaced at the applicant’s expense. 85. The applicant shall pay the capacity fees and connection fees associated with new utility service/s or added demand on existing services. The approved relocation of services, meters, hydrants, or other facilities will be performed at the cost of the person/entity requesting the relocation. 86. Each unit or place of business shall have its own water and gas meter shown on the plans. Each parcel shall have its own water service, gas service and sewer lateral connection shown on the plans. Existing utilities meeting current WGW utilities standards can be reused with CPAU engineering approval. Page 22 87. A separate water meter and backflow preventer is required to irrigate the approved landscape plan. Show the location of the irrigation meter on the plans. This meter shall be designated as an irrigation account an no other water service will be billed on the account. The irrigation and landscape plans submitted with the application for a grading or building permit shall conform to the City of Palo Alto water efficiency standards. 88. A new water service line installation for domestic usage is required. For service connections of 4- inch through 8-inch sizes, the applicant's contractor must provide and install a concrete vault with meter reading lid covers for water meter and other required control equipment in accordance with the utilities standard detail. Show the location of the new water service and meter on the plans. 89. A new water service line installation for irrigation usage is required. Show the location of the new water service and meter on the plans. 90. A new water service line installation for fire system usage is required. Show the location of the new water service on the plans. The applicant shall provide to the engineering department a copy of the plans for fire system including all fire department's requirements. 91. A new gas service line installation is required. Show the new gas meter location on the plans. The gas meter location must conform to utilities standard details. 92. A new sewer lateral installation per lot is required. Show the location of the new sewer lateral on the plans 93. The applicant shall secure a public utilities easement for facilities installed in private property. The applicant's engineer shall obtain, prepare, record with the county of Santa Clara, and provide the utilities engineering section with copies of the public utilities easement across the adjacent parcels as is necessary to serve the development. 94. Where public mains are installed in private streets/PUEs for condominium and town home projects the CC&Rs and final map shall include the statement: “Public Utility Easements: If the City’s reasonable use of the Public Utility Easements, which are shown as P.U.E on the Map, results in any damage to the Common Area, then it shall be the responsibility of the Association, and not of the City, to Restore the affected portion(s) of the Common Area. This Section may not be amended without the prior written consent of the City”. 95. Where there is more than one gas meter installed, a P.U.E is required for the gas service from the gas meters to the gas main. 96. All existing water and wastewater services that will not be reused shall be abandoned at the main per WGW utilties procedures. 97. Utility vaults, transformers, utility cabinets, concrete bases, or other structures can not be placed over existing water, gas or wastewater mains/services. Maintain 1’ horizontal clear separation from the vault/cabinet/concrete base to existing utilities as found in the field. If there is a conflict Page 23 with existing utilities, Cabinets/vaults/bases shall be relocated from the plan location as needed to meet field conditions. Trees may not be planted within 10 feet of existing water, gas or wastewater mains/services or meters. New water, gas or wastewater services/meters may not be installed within 10’ or existing trees. Maintain 10’ between new trees and new water, gas and wastewater services/mains/meters. 98. To install new gas service by directional boring, the applicant is required to have a sewer cleanout at the front of the building. This cleanout is required so the sewer lateral can be videoed for verification of no damage after the gas service is installed by directional boring. T 99. The applicant shall obtain an encroachment permit from Santa Clara county department of transportation for all utility work in the county road right-of-way. The applicant must provide a copy of the permit to the WGW engineering section. 100. The applicant may require a construction permit from Santa Clara county valley water district if necessary for the utility service line to be installed by the City of Palo Alto Utilities. 101. All utility installations shall be in accordance with the City of Palo Alto utility standards for water, gas & wastewater. 102. For contractor installed water and wastewater mains or services, the applicant shall prepare and submit to the WGW engineering section of the Utilities Department as-built drawings at the completion of construction of the installation of water and wastewater utilities to be owned and maintained by the City in accordance with: 1. Two sets of as-built drawings (hard copies). 2. As-built drawings in 2008 or 2010 AutoCAD format. 3. As-built drawings in .tiff format. 4. Survey points in .csv format for all new utility features. Note: All survey data shall be collected by a California Licensed Land Surveyor. The surveyor is responsible to setup all control points needed to perform the survey work. The accuracy for all survey data shall be +/- 1cm. Survey data to be collected (what's applicable): I. Collect horizontal and vertical data for: 1. Sanitary sewer manholes (rim and invert elevations and depth) 2. Storm drain manholes and catch basins (rim and invert elevations and depth) 3. Water valves (cover and stem elevations) II. Collect horizontal data only for: 1. Service or lateral connection points at the main 2. Fire hydrants 3. Water meters Page 24 4. Sanitary sewer cleanout boxes Use CPAU WGW Engineering’s "feature codes" for naming convention available from CPAU WGW Engineering 1007 Elwell Ct, Palo Alto, CA 94303 (650) 566-4501. All drawings and survey data shall be on the California State Plane Coordinate System - Zone 3 in units of feet. The horizontal datum shall be the North American Datum of 1983 (NAD83) and the vertical datum shall be based on Best or 93. FIRE DEPARTMENT 103. Fire sprinklers and fire alarm systems required in accordance with NFPA 13, NFPA 24, NFPA 72 and State and local standards. Sprinkler, fire alarm and underground fire supply installations require separate submittal to the Fire Prevention Bureau. 104. Sprinkler main drain must be coordinated with plumbing design so that the 200 gpm can be flowed for annual main drain testing for 90 seconds without overflowing the collection sump, and the Utilities Department approved ejector pumps will be the maximum flow rate to sanitary sewer. An acceptable alternative would be to direct sprinkler main drain to an approved landscape location. 105. Applicant shall work with Utilities Department to provide acceptable backflow prevention configuration. 106. All floor levels in multi-story buildings must be served by an elevator capable of accommodating a 24 x 84 inch gurney without lifting or manipulating the gurney. 107. Low-E glass and underground parking areas can interfere with portable radios used by emergency responders. Please provide an RF Engineering analysis to determine if additional devices or equipment will be needed to maintain operability of emergency responder portable radios throughout 97% of the building in accordance with the Fire Code Appendix J as adopted by the City of Palo Alto. A written report to the Fire Marshal shall be provided prior to final inspection. PUBLIC WORKS – WATERSHED PROTECTION GROUP We have reviewed the site floor plans for this project. Please note the following issues must be addressed in building plans prior to final approval by this department: 108. PAMC 16.09.170, 16.09.040 Discharge of Groundwater The project is located in an area of suspected or known groundwater contamination with Volatile Organic Compounds (VOCs). If groundwater is encountered then the plans must include the following procedure for construction dewatering: Prior to discharge of any water from construction dewatering, the water shall be tested for volatile organic compounds (VOCs) using EPA Method 601/602 or Method 624. The analytical results of Page 25 the VOC testing shall be transmitted to the Regional Water Quality Control Plant (RWQCP) 650- 329-2598. Contaminated ground water that exceeds state or federal requirements for discharge to navigable waters may not be discharged to the storm drain system or creeks. If the concentrations of pollutants exceed the applicable limits for discharge to the storm drain system then an Exceptional Discharge Permit must be obtained from the RWQCP prior to discharge to the sanitary sewer system. If the VOC concentrations exceed the toxic organics discharge limits contained in the Palo Alto Municipal Code (16.09.040(m)) a treatment system for removal of VOCs will also be required prior to discharge to the sanitary sewer. Additionally, any water discharged to the sanitary sewer system or storm drain system must be free of sediment. 109. PAMC 16.09.055 Unpolluted Water Unpolluted water shall not be discharged through direct or indirect connection to the sanitary sewer system (e.g. any uncovered ramps to the parking garage should be directed to the storm drain system). 110. PAMC 16.09.180(b)(9) Covered Parking Drain plumbing for parking garage floor drains must be connected to an oil/water separator with a minimum capacity of 100 gallons, and to the sanitary sewer system 111. PAMC 16.09.180(b)(10) Dumpsters for New and Remodeled Facilities New buildings and residential developments providing centralized solid waste collection, except for single-family and duplex residences, shall provide a covered area for a dumpster. The area shall be adequately sized for all waste streams and designed with grading or a berm system to prevent water runon and runoff from the area. 112. PAMC 16.09.180(b)(14) Architectural Copper On and after January 1, 2003, copper metal roofing, copper metal gutters, copper metal down spouts, and copper granule containing asphalt shingles shall not be permitted for use on any residential, commercial or industrial building for which a building permit is required. Copper flashing for use under tiles or slates and small copper ornaments are exempt from this prohibition. Replacement roofing, gutters and downspouts on historic structures are exempt, provided that the roofing material used shall be prepatinated at the factory. For the purposes of this exemption, the definition of "historic" shall be limited to structures designated as Category 1 or Category 2 buildings in the current edition of the Palo Alto Historical and Architectural Resources Report and Inventory. 113. PAMC 16.09.175(k) (2) Loading Docks (i) Loading dock drains to the storm drain system may be allowed if equipped with a fail-safe valve or equivalent device that is kept closed during the non-rainy season and during periods of loading dock operation. (ii) Where chemicals, hazardous materials, grease, oil, or waste products are handled or used within the loading dock area, a drain to the storm drain system shall not be allowed. A drain to the sanitary sewer system may be allowed if equipped with a fail-safe valve or equivalent device that is kept closed during the non-rainy season and during periods of Page 26 loading dock operation. The area in which the drain is located shall be covered or protected from rainwater run-on by berms and/or grading. Appropriate wastewater treatment approved by the Superintendent shall be provided for all rainwater contacting the loading dock site. 114. PAMC 16.09.180(b)(5) Condensate from HVAC Condensate lines shall not be connected or allowed to drain to the storm drain system. 115. PAMC 16.09.205 Cooling Towers No person shall discharge or add to the sanitary sewer system or storm drain system, or add to a cooling system, pool, spa, fountain, boiler or heat exchanger, any substance that contains any of the following: (1) Copper in excess of 2.0 mg/liter; (2) Any tri-butyl tin compound in excess of 0.10 mg/liter; (3) Chromium in excess of 2.0 mg/liter. (4) Zinc in excess of 2.0 mg/liter; or (5) Molybdenum in excess of 2.0 mg/liter. The above limits shall apply to any of the above-listed substances prior to dilution with the cooling system, pool, spa or fountain water. A flow meter shall be installed to measure the volume of blowdown water from the new cooling tower. Cooling systems discharging greater than 2,000 gallons per day are required to meet a copper discharge limit of 0.25 milligrams per liter. 116. PAMC 16.09.180(b)(b) Copper Piping Copper, copper alloys, lead and lead alloys, including brass, shall not be used in sewer lines, connectors, or seals coming in contact with sewage except for domestic waste sink traps and short lengths of associated connecting pipes where alternate materials are not practical. The plans must specify that copper piping will not be used for wastewater plumbing. 117. 16.09.180(12) Mercury Switches Mercury switches shall not be installed in sewer or storm drain sumps. 118. PAMC 16.09.205(a) Cooling Systems, Pools, Spas, Fountains, Boilers and Heat Exchangers It shall be unlawful to discharge water from cooling systems, pools, spas, fountains boilers and heat exchangers to the storm drain system. 119. PAMC 16.09.165(h) Storm Drain Labeling Storm drain inlets shall be clearly marked with the words "No dumping - Flows to Bay," or equivalent. Undesignated Retail Space: Page 27 120. PAMC 16.09 Newly constructed or improved buildings with all or a portion of the space with undesignated tenants or future use will need to meet all requirements that would have been applicable during design and construction. If such undesignated retail space becomes a food service facility the Sewer Use Ordinance requirements must be met. If a Cafeteria is planned for the site, the Food Service Establishment requirements must be met. BUILDING DIVISION Include in plans submitted for a building permit: 121. Separate submittals and permits are required for the following systems and components if utilized: E.V., P.V., and Solar Hot Water systems. 122. Deferred submittals shall be limited to as few items as possible. 123. Recycling areas (if applicable) are required to be accessible and require warning devices prior to entering parking and driveway areas. 124. All building exits shall include an accessible path to the public way. 125. Plans shall show accessible routes for both interior and exterior areas. 126. Please explain how the existing utility easements will be dealt with that are in areas where proposed new structures will be constructed upon them. GREEN BUILDING For design and construction of non-residential projects, the City requires compliance with the mandatory measures of Chapter 5, in addition to use of the Voluntary Tiers. (Ord. 5220 § 1 (part), 2013) NOTE: Please be advised that the Palo Alto City Council will be considering a new energy and green building ordinance in the second quarter of 2015. The following requirements are subject to change if the project submits for a building permit after the new requirements are adopted. To follow the ordinance changes, you may visit the Green Building Advisory Group webpage to view the agendas and meeting minutes. The following are required for Building Approval: 127. The project is a new nonresidential construction project greater than 1,000 square feet and therefore must comply with California Green Building Standards Code Mandatory plus Tier 2 requirements, as applicable to the scope of work. PAMC 6.14.180 (Ord. 5220 § 1 (part), 2013). The requirements are indicated on CS 0.2 of the formal ARB submittal. The project applicant shall Page 28 indicate the requirements on the Permit Plans. The submittal requirements are outlined here: www.cityofpaloalto.org/gov/depts/ds/green_building/default.asp. 128. The project is a new building over 10,000 square feet and therefore must meet the commissioning requirements outlined in the California Building Code section 5.410.2 for Planning Approval. The project team shall submit the Owner’s Project Requirements (OPR) in accordance with section 5.410.2.1 with Basis of Design (BOD) in accordance with 5.410.2.2 that reflects the design elements finalized between Planning Approval and Permit Submittal. The project shall also submit a Commissioning (Cx) Plan in accordance with 5.410.2.3 and shall show the Cx plan on the Permit Plans. 129. The project is a nonresidential project exceeding $100,000 valuation and therefore must acquire an Energy STAR Portfolio Manager Rating and submit the rating to the City of Palo Alto once the project has been occupied after 12 months. PAMC 16.14.250 (Ord. 5220 § 1 (part), 2013). The Energy Star Project Profile shall be submitted to the Building Department prior to permit issuance. Submittal info can be found at: https://www.cityofpaloalto.org/gov/depts/utl/business/benchmarking_your_building.asp. 130. The project is greater than 100,000 square feet and is not within the boundaries of a recycled water project area and therefore must install dual plumbing for use of recycled water for toilet and urinal flushing. PAMC 6.14.190 (Ord. 5220 § 1 (part), 2013). The project applicant shall indicate the requirements on the Permit Plans. 131. The project is a new construction project with a landscape of any size included in the project scope and therefore must comply with Potable water reduction Tier 2. Documentation is required to demonstrate that the Estimated Total Water Use (ETWU) falls within a Maximum Applied Water Allowance (MAWA) using the appropriate evapotranspiration adjustment factor (ETAF) designated by the prescribed potable water reduction tier. PAMC 16.14.220 (Ord. 5220 § 1 (part), 2013). The project applicant shall indicate the requirements on the Permit Plans in coordination with the planting plan shown on L2.0 of the ARB submittal. The submittal requirements are outlined on the following site: http://www.cityofpaloalto.org/gov/depts/utl/residents/resrebate/landscape.asp. 132. The project includes a new or altered irrigation system and therefore must be designed and installed to prevent water waste due to overspray, low head drainage, or other conditions where water flows onto adjacent property, non-irrigated areas, walks, roadways, parking lots, or structures. PA 16.14.300 (Ord. 5220 § 1 (part), 2013). 133. The project includes a new or altered irrigation system and therefore the irrigation must be scheduled between 8:00 p.m. and 10:00 a.m. unless weather conditions prevent it. Operation of the irrigation system outside the normal watering window is allowed for auditing and system maintenance. Total annual applied water shall be less than or equal to maximum applied water allowance (MAWA) as calculated per the potable water use reduction tier. PAMC 16.14.310 (Ord. 5220 § 1 (part), 2013). ). The project applicant shall indicate the requirements on the Permit Plans. Page 29 134. The project is outside the boundaries of the recycled water project area and is greater then 1,000 square feet and therefore must install recycled water infrastructure for irrigation systems. PAMC 16.14.230 (Ord. 5220 § 1 (part), 2013). The project applicant shall indicate the requirements on the Permit Plans. 135. The project is a nonresidential new construction or renovation project and has a value exceeding $25,000 and therefore must meet Enhanced Construction Waste Reduction Tier 2. PAMC 16.14.240 (Ord. 5220 § 1 (part), 2013). The project shall use the Green Halo System to document the requirements. 136. The project includes non-residential demolition and therefore must meet the Enhanced Construction Waste Reduction - Tier 2. PAMC 16.14.270 (Ord. 5220 § 1 (part), 2013). The project shall use the Green Halo System to document the requirements. 137. The project is a new non-residential structure and therefore must comply with the City of Palo Alto Electric Vehicle Charging Ordinance 5263. The project shall provide Conduit Only, EVSE-Ready Outlet, or EVSE Installed for at least 25% of parking spaces, among which at least 5% (and no fewer than one) shall be EVSE Installed. The requirements shall be applied separately to accessible parking spaces. See Ordinance 5263 for EVSE definitions, minimum circuit capacity, and design detail requirements. PAMC 16.14.380 (Ord. 5263 § 1 (part), 2013) See https://www.cityofpaloalto.org/civicax/filebank/documents/43818 for additional details. EVSE parking analysis must be shown on the Permit Plans. The following are required at Post-Construction after 12 months of occupancy. 138. The project is a nonresidential projects exceeding $100,000 valuation and therefore must acquire an Energy STAR Portfolio Manager Rating and submit the rating to the City of Palo Alto once the project has been occupied after 12 months. PAMC 16.14.250 (Ord. 5220 § 1 (part), 2013). Submittal info can be found at: https://www.cityofpaloalto.org/gov/depts/utl/business/benchmarking_your_building.asp. The following are optional to the project team: Optional Zero Net Energy Design Review: 139. OPTIONAL: The project is a new construction or remodel of a commercial project and therefore may elect to engage the City of Palo Alto consultant, BASE Energy Inc, free of charge. BASE will assist the project in targeting Zero Net Energy and exceeding the Title 24 Energy Code. Rebates may be available via working with Base. For more information, visit cityofpaloalto.org/commercial program or call 650.329.2241. The applicant may also contact Ricardo Sfeir at BASE Energy at rsfeir@baseco.com to schedule a project kick-off. Utilities Incentives & Rebates 140. OPTIONAL: The project may be eligible for several rebates offered through the City of Palo Alto Utilities Department. These rebates are most successfully obtained when planned into the project early in design. For the incentives available for the project, please see the information provided on Page 30 the Utilities website: http://www.cityofpaloalto.org/gov/depts/utl/business/rebates/default.asp Bird-Friendly Building Design 141. OPTIONAL: The project contains a glazed façade that covers a large area. The project should consider bird-safe glazing treatment that typically includes fritting, netting, permanent stencils, frosted glass, exterior screens, and physical grids placed on the exterior of glazing or UV patterns visible to birds. In some cases, bird-friendly treatment is invisible to humans. Vertical elements of the window patterns should be at least 1/4 inch wide at a minimum spacing of 4 inches, or have horizontal elements at least 1/8 inch wide at a maximum spacing of 2 inches. The applicant should reference the San Francisco Guidelines for Bird-Safe Buildings: a. http://www.sf-planning.org/index.aspx?page=2506. SECTION 5. Term of Approval. Architectural Review Approval. The project approval shall be valid for a period of one year from the original date of approval. In the event a building permit(s), if applicable, is not secured for the project within the time limit specified above, the ARB approval shall expire and be of no further force or effect. Application for extension of this entitlement may be made prior to the one year expiration. PASSED: AYES: NOES: ABSENT: ABSTENTIONS: ATTEST: APPROVED: City Clerk Director of Planning and Community Environment APPROVED AS TO FORM: Senior Assistant City Attorney 1050 Page Mill Road Page 1 __________________________________________________________________________________ ATTACHMENT B COMPREHENSIVE PLAN TABLE 1050 Page Mill Road / File No. 14PLN-00074 __________________________________________________________________________________ It has been determined that on balance the project is in conformance with the following policies of the 2010 Comprehensive Plan: COMPREHENSIVE PLAN POLICY CONSISTENCY REVIEW POLICY B-1: Use a variety of planning and regulatory tools, including growth limits, to ensure that business change is compatible with the needs of Palo Alto neighborhoods. The proposed project will no longer have direct access to California Avenue making it compatible with the nearby neighborhood. POLICY B-4: Nurture and support established businesses as well as new businesses. POLICY B-29: Facilitate Stanford’s ability to respond to changing market conditions that support the long-term viability of the Research Park. GOAL L-5: High Quality Employment Districts, Each With Their Own Distinctive Character and Each Contributing to the Character of the City as a Whole. The proposed buildings will be more open and energy efficient attracting world class and forward thinking companies that keep the Stanford Research Park vibrant. POLICY L-5: Maintain the scale and character of the City. Avoid land uses that are overwhelming and unacceptable due to their size and scale. The proposed buildings are in keeping with height and massing of surrounding Research Park buildings. The proposed two-story project provides a more inviting presence on Page Mill Road and is well-articulated in keeping with the size and scale of surrounding structures. POLICY L-42: Encourage Employment Districts to develop in a way that encourages transit, pedestrian and bicycle travel and reduces the number of auto trips for daily errands. PROGRAM L-43: Modify existing zoning regulations and create incentives for employers to provide employee services in their existing buildings—for example, office support services, restaurants, convenience stores, public gathering places, and child care facilities—to reduce the need for employees to drive to these services. The The project includes a minimum of 10,745 sf of amenity space, such as cafeterias and/or gyms that will be used by on-site employee and will facilitate the reduction of vehicle use. POLICY T-19: Improve and add attractive, secure bicycle parking at both public and private facilities. This project is consistent in that both adequate secured and public bicycle parking facilities, for a total of 101 spaces, would be provided at the project site. GOAL L-6: Well-designed Buildings that Create Coherent Development Patterns and Enhance City Streets and Public Spaces. POLICY L-48: Promote high quality, creative design and site planning that is compatible with surrounding development and public spaces. To help achieve quality design, the Architectural Review Board reviews buildings and site design for commercial and multi-family residential projects. The proposed building incorporates a unique ribbon sunshade and high quality materials which will be compatible with the various styles of the Research Park. 1050 Page Mill Road Page 2 POLICY L-43: Provide sidewalks, pedestrian paths, and connections to the citywide bikeway system within Employment Districts. Pursue opportunities to build sidewalks and paths in renovation and expansion projects. PROGRAM L-44: Design the paths and sidewalks to be attractive and comfortable and consistent with the character of the area where they are located. POLICY T-1: Make land use decisions that encourage walking, bicycling, and public transit use. POLICY T-23: Encourage pedestrian friendly design features such as sidewalks, street trees, on street parking, public spaces, gardens, outdoor furniture, art and interesting architectural details While the project does not provide legal access easements between properties, significant pedestrian pathways are provided throughout the project and along Page Mill Road that can be used to gain access to other parts of the Research Park. The proposal provides replacement office space in close proximity to transit facilities and the California Avenue commercial district. Bicycle usage is encouraged with ample bike parking. The project includes a large central plaza that creates outdoor rooms and opportunities for pedestrian activities. The unique design of the buildings, mature landscaping, and on site art work also encourage exploration of the site by pedestrians. POLICY L-44: Develop the Stanford Research Park as a compact employment center served by a variety of transportation modes. The Research Park has developed over time into a sprawling campus like setting. However, new projects now make accommodations for pedestrians, bicycles and shuttle buses to better transport employees to transit centers. POLICY L-70: Enhance the appearance of streets and other public spaces by expanding and maintaining Palo Alto’s street tree system. Page Mill Road is an Expressway maintained by the County and requires all trees be set back 7 feet. While this setback is not ideal, the City balances the need for safety with large canopy trees that will grow to shade the sidewalk. POLICY L-73: Consider public art and cultural facilities as a public benefit in connection with new development projects. Consider incentives for including public art in large development projects. The project will include public art as a component of the design, as part of the City’s art program. POLICY L-75: Minimize the negative physical impacts of parking lots. Locate parking behind buildings or underground wherever possible. POLICY L-77: Encourage alternatives to surface parking lots to minimize the amount of land that must be devoted to parking, provided that economic and traffic safety goals can still be achieved. The project is consistent with this policy as a significant portion of the parking would be situated in below grade garages. Surface parking would be situated around the perimeter of the site with only small portions viewed by the public from Page Mill Road. POLICY L-76: Require trees and other landscaping within parking lots. The proposal includes retention of mature perimeter trees along with a number of new trees in and around the parking lot. The addition of the new landscaping provides 50% shading. Note: This list is not exhaustive. Additional policies/programs may be added to this table for subsequent review and comment by the ARB and the public. ATTACHMENT C ZONING COMPARISON TABLE 1050 Page Mill Road 14PLN-00074 Table 1: COMPARISON WITH CHAPTER 18.20 (RP DISTRICT) Regulation Required in Research Park (RP) zone Existing Proposed Minimum Site Area 1 acre 13.48 acres 13.48 acres Minimum Front Setback 50 feet special setback along Page Mill Road 57.7 feet 50 feet + Interior Side Setback 20 feet 70 feet +/- 77 feet + Rear Setback 20 feet 29.4 feet 77 feet + Min. yard for site lines abutting or opposite residential districts 20 feet n/a n/a Max. Total Floor Area Ratio 40% (234,945 sf) 45.27% (265,895 sf) 45.27% (265,895 sf + 10,745 sf amenity space) Max. Site Coverage 30% (176.209 sf) 30.65% (180,045 sf) 25.52% (149,911 sf) Max. Building Height 35 ft (with additional 15 feet for mechanical) or 25 ft when located within 40 ft of residentially zoned property (4,5) 34 feet +/- (with additional mech. screen) 35 feet (mechanical screen will be 7 ft+/-) (4) See subsection 18.20.040(e) below for exceptions to height and floor area limitations in the ROLM and RP zoning districts. (5) Residential zones include R-1, R-2, RE, RMD, RM-15, RM-30, RM-40 and residential Planned Community (PC) zones. Table 1: CONFORMANCE WITH CHAPTER 18.52 (Off-Street Parking and Loading) Type of Parking Required Existing Proposed Auto Parking Bike Parking Loading Spaces 947 parking spaces (1/300 sf of gross floor area) 564 spaces 951 spaces, with 49 additional spaces in landscape reserve 89 spaces (1/3,000 sf - 80% long term and 20% short term bike parking) unknown 101 spaces (77 long term, 24 short term) 3 loading spaces for 200,000 sf or greater 6 loading docks 8 loading areas * On-site employee amenity space is exempted from the parking requirements 1 0 5 0 P a g e M i l l R o a d, P a l o A l t o Project Narrative - Formal ARB Review April 2, 2015 To: City of Palo Alto Planning Division Architectural Review Board Members From: 1050 Page Mill Road Property, LLC - Applicant Robert Giannini, Architect Subject: 1050 Page Mill Road, Palo Alto Preliminary Architectural Review Board Review We have benefited from our Preliminary hearing before the ARB on this project and are pleased to submit this application for your approval. We have listened to your valuable comments, worked with staff and our neighbors, and have refined the design and architecture in response. We are excited to take this meaningful step and have intentionally stayed within the City’s guidelines (Zoning and Design Guidelines) for development of this property so as to respect the community. 1050 Page Mill Road Property, LLC is the sponsor of this application for a new +/- 265,895 square foot, four building energy efficient Class-A office project to replace existing, obsolete buildings on the project site. The site, on the north side of Page Mill Road at Hansen Way, has a magnificent and expansive frontage. The site is +/- 13.48 acres and is zoned Research Park (RP). It currently contains two buildings; the front building facing Page Mill is a 2-story office building, and the rear building, internal to the site is primarily high bay one-story with a two-story portion at its south end. Building Area - Replacement Square Footage: The proposed new buildings will contain the same total floor area as the two existing buildings together, as reviewed and refined in our discussions with staff. In addition we are providing 10,745 sf of amenity space allocation bringing the total area of the project to 265,895 square feet. Because the amenity space does not count toward FAR, the proposed area of the new project represents replacement square footage. Parking: The site is currently 100% surface parked, and is, in fact, under-parked by current zoning standards. This proposal would bring the site to current parking standards. The proposed project also has surface parking, however In order to maximize the open area over half the parking will be below grade. Parking will be provided on the site at a ratio of 1/300sf, for a total of +/- 887 spaces. This ratio is the Palo Alto minimum requirement. We have provided space for an additional 86 spaces that the Owner may add in the future if needed by tenants, and to help ensure that project parking does not need to expand to the surrounding neighborhood streets. This has been shown on the site plan as “landscape reserve.” The total potential parking on site is therefore 973 spaces. Form4 Architecture, Inc. Attachment D 1 0 5 0 P A G E M I L L R O A D - Project Narrative - Formal ARB 2 Palo Alto, California April 2, 2015 Please refer to the following table for a summary of the project’s data. We look forward to feedback from the Architectural Review Board and the City of Palo Alto on this proposed redevelopment project. Form4 Architecture, Inc. 126 Post Street, 3rd floor, San Francisco, CA 94108 415 775-8748 fax 415 775-8752 1 0 5 0 P A G E M I L L R O A D - Project Narrative - Formal ARB 3 Palo Alto, California March 3, 2014 Architectural Design Narrative It is a pleasure to provide this design application for 1050 Page Mill Road. Several elements of the design were identified for further refinement and study as follows: SITE a)Conceal surface parking with more landscape. b)Create smaller landscape “rooms” for more intimate sized spaces in large site. c)Study the visitor experience and entry sequence. d)Study how to conceal cars as they queue after entering the site from Page Mill Road. SITE & ARCHITECTURE e)Explore ways to be even bolder with the curving aluminum ribbons and extend into the landscape. ARCHITECTURE f)Address issues of sustainability, and also the potential sight of interior office clutter, in buildings that with predominantly glass skins. g)Study ways to differentiate the buildings. Form4 Architecture, Inc. 126 Post Street, 3rd floor, San Francisco, CA 94108 415 775-8748 fax 415 775-8752 1 0 5 0 P A G E M I L L R O A D - Project Narrative - Formal ARB 4 Palo Alto, California April 2, 2015 S I T E I S S U E S: ! a)Conceal surface parking with more landscape. Our initial proposal located about half the parking on the surface, and half below grade. We have now parked a higher ratio of cars in the below grade structure: 539 to 348 with space for an additional 86 surface spaces land banked. Circulation around the perimeter was also reworked in collaboration with the City arborist to avoid existing trees - especially at the secondary right in / right out driveway on Page Mill. The end result is there is less surface parking, and what remains is better screened. ! Form4 Architecture, Inc. 126 Post Street, 3rd floor, San Francisco, CA 94108 415 775-8748 fax 415 775-8752 1 0 5 0 P A G E M I L L R O A D - Project Narrative - Formal ARB 5 Palo Alto, California March 3, 2014 ! b)Create smaller landscape “rooms” for more intimate sized spaces in large site; and c)Study the visitor experience and entry sequence. The diagram above shows the programming for the central open space: •Bicyclists entering the site from City streets will use the loop road to arrive at the main entry of each building where parking is provided for them. Secure parking is also provided for bikes in the garage of each building. Bicyclists are not encouraged to use the paths through the central open space as a courtesy to pedestrians circulating between buildings. See sheets A1.1 and A1.2 for bike parking locations. •Cars also use the loop road to quickly access surface and below grade parking. People that surface park enter the building through the auto side of the through lobbies. People who park in the garages enter the lobbies through the main elevator of each building. •The major pedestrian paths through the central open space are two broad diagonal promenades. One starts at the Page Mill main entry (near a city bus stop - see Site Circulation Diagram Sheet MP-2.4), and cuts all the way through the site. It starts at the street and moves through a series of wedge shaped land forms that are a stylized California native landscape. Diagonal paths are defined by the land forms and pass on bridges over bio-swales, past existing oak trees that are being saved, and walks that offer “short cuts” between buildings. The paths are dotted with spots to pull off, talk, meet, work outdoors, or just sit. •The promenade continues deeper into the site past a large Campus Green which can accommodate large numbers of people in “all hands meetings.” •The wedge of outdoor space ends in Town Square - a decomposed granite area with benches under a bosque of canopy trees. The edge along the far building (Building 3) is made up of broad steps that create a perch that looks back over the entire central space. •From that apex one may walk back along the second diagonal promenade that leads you back through the site with the front building (Building 1) as its terminus. Form4 Architecture, Inc. 126 Post Street, 3rd floor, San Francisco, CA 94108 415 775-8748 fax 415 775-8752 1 0 5 0 P A G E M I L L R O A D - Project Narrative - Formal ARB 6 Palo Alto, California April 2, 2015 •A visitor entering the site by car experiences the long view through the central space before they turn right or left onto the loop road and make their way to each buildings main entry or garage ramp. The buildings all have through lobbies so once again as you enter a building you experience the open space on the other side of the lobby. •Pedestrians with business at the site may walk back through the diagonal promenades and the central green and enter the building through their garden entry sides. d)Study how to conceal cars as they queue after entering the site from Page Mill Road. ! The loop road has been redesigned to better move cars quickly through the site. Originally we split the road creating a decision point as you enter with a double row of parking. Our traffic consultant suggested that the traffic moves more quickly with no decision point, and less parking. This has the added benefit of more landscaping at this key point as well, and making for a safer pedestrian crossing from the central open space. e)Explore ways to be even bolder with the curving aluminum ribbons and extend into the landscape. There had been a suggestion that perhaps the aluminum ribbons on the building facades might break away and become more whimsical. We explored this, however became concerned that the character of the design changed from the goal of clean simplicity. The notion of pulling the building architecture into the landscaping was strong, however. Now it is the diagonal paths that slice through the site that become the landscape expression of the building’s ribbons. Changing from our original curvilinear gardenesque landscape to this more stylized version of the California hills seem to keep the building and landscape in the same family. Form4 Architecture, Inc. 126 Post Street, 3rd floor, San Francisco, CA 94108 415 775-8748 fax 415 775-8752 1 0 5 0 P A G E M I L L R O A D - Project Narrative - Formal ARB 7 Palo Alto, California March 3, 2014 ! In addition we are proposing ponds along the promenades to reflect the ribbons into the water at their most dynamic inflection points. This will provide an ever changing impression of the ribbons leaping off the buildings perhaps than a literal material move. Of course water is a precious commodity in California - especially in drought years, and these ponds utilize a very small amount of water - as shallow as only a few inches. Besides providing that magical quality of water, these ponds, as well as the vertical glass fins, act as buffers between the pedestrian walkways and the interior offices. f)Address issues of sustainability, and also the potential sight of interior office clutter, in buildings that with predominantly glass skins. Core goals of the project are to bring the outdoors in, and to be highly sustainable. This has become even more challenging with the adoption of more stringent T-24 guidelines. We remain on track with both goals, however. Following are some of the strategies: •Careful daylighting studies, and the existence of even better LED lighting mean we can hold down the wattage necessary to light the building. Following is one of the hundreds of daylighting diagrams we have studied: ! Form4 Architecture, Inc. 126 Post Street, 3rd floor, San Francisco, CA 94108 415 775-8748 fax 415 775-8752 1 0 5 0 P A G E M I L L R O A D - Project Narrative - Formal ARB 8 Palo Alto, California April 2, 2015 •We are providing complete PV arrays for the building roofs. ! •Sun shading has become more refined and complete. ! •One element addresses both sustainability, and addressing seeing visual clutter through clear glass. We will specified fritted glass for the lowest 30” of both floors. This is a tried and true approach for us to control the clutter of desks and boxes on the floors, and also allows us to insulate that zone where needed. g)Study ways to differentiate the buildings. The above image also shows one of the strongest ways we have chosen to differentiate the buildings. The glass fins below the ribbon on the first floor, and to one side of the lobby, will be a transparent color; a different one for each building. It will occur on both the auto side and the courtyard side to assist in wayfinding. Thanks very much for your review of the various design aspects of this project! Form4 Architecture, Inc. 126 Post Street, 3rd floor, San Francisco, CA 94108 415 775-8748 fax 415 775-8752 ATTACHMENT E Attachment F Attachment G Environmental Impact Report (Hardcopies for P&TC, libraries and staff) http://www.cityofpaloalto.org/news/displaynews.asp?NewsID=2642&TargetID-319 Attachment H 1050 Page Mill Road Project Statement of Findings SCH # 2014042050 December 2015 1050 Page Mill Road Statement of Finding i December 2015 TABLE OF CONTENTS Table of Contents ........................................................................................................................................ i I. Overview and Introduction ......................................................................................................... 1 II. Procedural History .................................................................... Error! Bookmark not defined. III. Statutory Requirements for Findings ......................................................................................... 2 Legal Effects of Findings ............................................. Error! Bookmark not defined. IV. Definitions ...................................................................................................................................... 3 V. Project Background ....................................................................................................................... 4 VI. Project Objectives and Description ............................................................................................. 4 Project Objectives ............................................................................................................. 4 Project Description ........................................................................................................... 4 VII. Record of Proceedings .................................................................................................................. 5 VIII. General Findings ........................................................................................................................... 6 Impacts Determined to be Less Than Significant .... Error! Bookmark not defined. Significant and Potentially Significant Impacts Reduced to Less Than Significant With Implementation of Mitigation Measures ............................................................ 6 Significant and Unavoidable Impacts ......................................................................... 12 IX. Project Alternatives Findings .................................................................................................... 12 Feasibility of Project Alternatives ................................................................................ 12 X. Growth Inducement Findings ................................................................................................... 14 XI. Cumulative Impacts Findings ................................................................................................... 15 XII. Statement of Overriding Considerations ................................................................................. 18 Balancing Competing Goals ....................................... Error! Bookmark not defined. XIII. Conclusion ................................................................................................................................... 18 1050 Page Mill Road Statement of Finding i December 2015 I. OVERVIEW AND INTRODUCTION This Statement of Findings is made with respect to approval of a Major Architectural Review for the 1050 Page Mill Road project and states the findings of the City Council of the City of Palo Alto (“City Council”) relating to the potentially significant environmental effects of the project. This Statement of Findings addresses the environmental effects associated with the proposed 1050 Page Mill Road project, located in the City of Palo Alto on APN 142-20-091. The City Council, in the exercise of its independent judgment, makes and adopts the following findings to comply with the requirements of the California Environmental Quality Act (“CEQA”; Pub. Resources Code, §§ 21000 et seq.), and Sections 15091, 15092, and 15093 of the CEQA Guidelines (14 Cal. Code Regs., § 15000 et seq.). All statements set forth in this Resolution constitute formal findings of the City Council, including the statements set forth in this paragraph. These findings are made relative to the conclusions of the City of Palo Alto 1050 Page Mill Road Project Final Environmental Impact Report (State Clearinghouse No. 2014112015) (the “Final EIR”), which includes the Draft Environmental Impact Report (“Draft EIR”). The Final EIR addresses the environmental impacts associated with implementation of the 1050 Page Mill Road Project (the “Project”, as further defined in Section 2(b) below) and is incorporated herein by reference. The project requests that the City take the following actions: 1. Certify an Environmental Impact Report and adopt the Mitigation Monitoring Plan. 2. Approve a Major Architectural Review. 3. Approve an Environmental Compliance Review. Approval of the Major Architectural Review and other requested entitlements constitutes the project for purposes of CEQA and these determinations of the City Council. These findings are based upon the entire record of proceedings for the Project. The City Council finds as follows: 1. The record of proceedings in Section VII of these findings are correct and accurate. 2. The Final EIR has been prepared in accordance with all requirements of CEQA, the CEQA Guidelines, and the City’s Environmental Impact Ordinance, codified in Title 11 of the City’s Municipal Code. 3. The Draft EIR was presented to and reviewed by the Architectural Review Board and the Final EIR was presented to the Planning and Transportation Commission and the City Council. Both the Architectural Review Board and the Planning and Transportation Commission provided a recommendation to the City Council regarding certification of the Final EIR. 4. The Final EIR was prepared under the supervision of the City and reflects the independent judgment of the City. The City Council has reviewed the Final EIR, and bases the findings stated below on such review and other substantial evidence in the record. 1050 Page Mill Road Statement of Findings and Overriding Considerations 2 September 2015 5. The City finds that the Final EIR considers a reasonable range of potentially feasible alternatives, sufficient to foster informed decision making, public participation and a reasoned choice, in accordance with CEQA and the CEQA Guidelines. 6. The City Council hereby certifies the Final EIR as complete, adequate and in full compliance with CEQA and as providing an adequate basis for considering and acting upon the 1050 Page Mill Road project and makes the following specific findings with respect thereto. The City Council has considered evidence and arguments presented during consideration of the Project and the Final EIR. In determining whether the Project may have a significant impact on the environment, and in adopting the findings set forth herein, the City Council certifies that it has complied with Public Resources Code sections 21081, 21081.5, and 21082.2. 7. The City Council agrees with the characterization of the Final EIR with respect to all impacts initially identified as “less than significant” and finds that those impacts have been described accurately and are less than significant as so described in the Final EIR. This finding does not apply to impacts identified as significant or potentially significant that are reduced to a less than significant level by mitigation measures included in the Final EIR. The disposition of each of those impacts and the mitigation measures adopted to reduce them are addressed specifically in the findings below. 8. All mitigation measures in the Final EIR are adopted and incorporated into the 1050 Page Mill Road project. 9. The Mitigation Monitoring Program (MMP) includes all mitigation measures adopted with respect to the project and explains how and by whom they will be implemented and enforced. 10. The mitigation measures and the MMP have been incorporated into the Conditions of Approval for the Major Architectural Review and Environmental Compliance Review and have thus become part of and limitations upon the entitlements conferred by the Major Architectural Review, Environmental Compliance Review and other project approvals. 11. The descriptions of the impacts in these findings are summary statements. Reference should be made to the Final EIR for a more complete description. 12. The Planning and Community Environment Department is directed to file a Notice of Determination with the County Clerk within five (5) working days in accordance with CEQA §21152(a) and CEQA Guidelines §15094. III. STATUTORY REQUIREMENTS FOR FINDINGS Significant effects of the 1050 Page Mill Road project were identified in the Draft EIR. CEQA §21081 and CEQA Guidelines §15091 require that the Lead Agency prepare written findings for identified significant impacts, accompanied by a brief explanation of the rationale for each finding. Less than significant effects (without mitigation) of the project were also identified in the Draft EIR and Initial Study. CEQA does not require that the Lead Agency prepare written findings for less than significant effects. 1050 Page Mill Road Statement of Findings and Overriding Considerations 3 September 2015 CEQA requires that the Lead Agency adopt mitigation measures or alternatives, where feasible, to avoid or mitigate significant environmental impacts that would otherwise occur with implementation of the project. Project mitigation or alternatives are not required, however, where substantial evidence in the record demonstrates that they are infeasible or where the responsibility for modifying the project lies with another agency. Specifically, CEQA Guidelines §15091 states: (a) No public agency shall approve or carry out a project for which an EIR has been certified which identifies one or more significant environmental effects of the project unless the public agency makes one or more written findings for each of those significant effects, accompanied by a brief explanation of the rationale for each finding. The possible findings are: (1) Changes or alterations have been required in, or incorporated into, the project which avoid or substantially lessen the significant environmental effect as identified in the final EIR. (2) Such changes or alterations are within the responsibility and jurisdiction of another public agency and not the agency making the finding. Such changes have been adopted by such other agency or can and should be adopted by such other agency. (3) Specific economic, legal, social, technological, or other considerations, including provision of employment opportunities for highly trained workers, make infeasible the mitigation measures or project alternatives identified in the final EIR. The “changes or alterations” referred to in §15091(a)(1) above, that are required in, or incorporated into, the project which mitigate or avoid the significant environmental effects of the project, may include a wide variety of measures or actions as set forth in Guidelines §15370, including avoiding, minimizing, rectifying, or reducing the impact over time, or compensating for the impact by replacing or providing substitute resources. IV. DEFINITIONS The following definitions apply where the subject words or acronyms are used in these findings: “ARB” means the City of Palo Alto Architectural Review Board. “ACM” means asbestos-containing material. “BAAQMD” means the Bay Area Air Quality Management District. “City Council” means the City of Palo Alto City Council. “CEQA” means the California Environmental Quality Act (Pub. Resources Code §21000 et seq.). “Comprehensive Plan” means the City of Palo Alto Comprehensive Plan, as adopted in 2007 with subsequent amendments. “Condition” means a Condition of Approval adopted by the City in connection with approval of the project. 1050 Page Mill Road Statement of Findings and Overriding Considerations 4 September 2015 “City” means the City of Palo Alto. “Draft EIR” means the Draft Environmental Impact Report dated July 2015 for the proposed 1050 Page Mill Road project. “DTSC” means the California Department of Toxic Substances Control. “EIR” means environmental impact report. “Environmental Impact Ordinance” means the City of Palo Alto Environmental Impact Ordinance, as codified in Title 11 of the City of Palo Alto Municipal Code. “EPA” means the U.S. Environmental Protection Agency. “Final EIR” means the Final EIR as prepared for the project (which includes the NOP and Initial Study dated November 5, 2014, the Draft EIR dated July 2015, the Final EIR dated October 2015). “LCM” means lead-containing material. “MMP” means the Mitigation Monitoring Program for the project. “NOP” means Notice of Preparation of an EIR. “P&TC” means the City of Palo Alto Planning and Transportation Commission. “PCE” means the City of Palo Alto Planning and Community Environment Department. “Project” means the proposed 1050 Page Mill Road project. “Zoning Ordinance” means the City of Palo Alto Zoning Ordinance, including all amendments thereto. V. PROJECT BACKGROUND The project would demolish the existing 265,895 square feet of office, research and development, and warehouse space at 1050 Page Mill Road and construct four new office buildings totaling 265,895 square feet, and 10,745 square feet of amenity space. The existing and proposed office use is consistent with the Research and Development land use and zoning designations for the site. VI. PROJECT OBJECTIVES AND DESCRIPTION Project Objectives The Project Objectives of the project applicant are set forth in Section 2.3 of the Draft EIR, which is incorporated herein by reference. Project Description The proposed project would involve the demolition of 265,895 square feet of office, research and development, and warehouse space and 564 surface parking spaces, and the construction of a four two-story office buildings totaling 276,640 square feet (with 265,895 square feet for office space and 10,745 square feet of amenity space). A conceptual site plan of the proposed project is shown in Draft EIR Figure 2.4, and conceptual renderings are shown in Draft EIR Figure 2.5. 1050 Page Mill Road Statement of Findings and Overriding Considerations 5 September 2015 A complete description of the project as proposed by the project applicant is provided in Section 2.4 of the Draft EIR. VII. RECORD OF PROCEEDINGS In accordance with CEQA §21167.6(e), the record of proceedings for the City’s decision on the 1050 Page Mill Road project includes, without limitation, the following documents:  The NOP and all other public notices issued by the City in conjunction with the project;  All comments submitted by agencies or members of the public during the comment period on the NOP (provided in Appendix A of the Draft EIR);  The Draft EIR (July 2015) for the project;  All comments submitted by agencies or members of the public during the comment period on the Draft EIR;  All comments and correspondence submitted to the City with respect to the Project, in addition to timely comments on the Draft EIR;  The Final EIR (October 2015) for the project, including comments received on the Draft EIR and responses to those comments;  Documents cited or referenced in the Draft and Final EIRs;  The project MMP;  All findings and resolutions adopted by the City in connection with the project and all documents cited or referred to therein;  All reports, studies, memoranda, maps, staff reports, or other planning documents relating to the project prepared by the City, consultants to the City, or responsible or trustee agencies with respect to the City’s compliance with the requirements of CEQA and with respect to the City’s action on the project;  All documents submitted to the City (including the P&TC and City Council) by other public agencies or members of the public in connection with the project;  Any minutes and/or verbatim transcripts of all information sessions, public meetings, and public hearings held by the City in connection with the project;  Any documentary or other evidence submitted to the City at such information sessions, public meetings and public hearings;  The City of Palo Alto Comprehensive Plan and all environmental documents prepared in connection with the adoption of the Comprehensive Plan;  The City of Palo Alto Environmental Impact Ordinance and Zoning Ordinance (City of Palo Alto Municipal Code, Title 11 and Title 18), and all other City Code provisions cited in materials prepared by or submitted to the City; 1050 Page Mill Road Statement of Findings and Overriding Considerations 6 September 2015  Any and all resolutions and/or ordinances adopted by the City regarding the project, and all staff reports, analyses, and summaries related to the adoption of those resolutions;  Matters of common knowledge to the City, including, but not limited to federal, state, and local laws and regulations;  Any documents cited in these findings, in addition to those cited above; and  Any other materials required for the record of proceedings by CEQA §21167.6(e). The City Council has relied on all of the documents listed above in reaching its decision on the project, even if not every document was formally presented to the City Council, P&TC or City Staff as part of the City files generated in connection with the project. Without exception, any documents set forth above not found in the project files fall into one of two categories. Many of them reflect prior planning or legislative decisions of which the City Council was aware in approving the 1050 Page Mill Road project. (See City of Santa Cruz v. Local Agency Formation Commission (1978) 76 Cal.App.3d 381, 391-392; Dominey v. Department of Personnel Administration (1988) 205 Cal.App.3d 729, 738, fn. 6.) Other documents influenced the expert advice provided to City staff or consultants, who then provided advice to the City Council. For that reason, such documents form part of the underlying factual basis for the City Council’s decisions relating to approval of the 1050 Page Mill Road project. (See Public Resources Code §21167.6(e)(10); Browning-Ferris Industries c. City Council of City of San Jose (1986) 181 Cal.App.3d 852, 866; Stanislaus Audubon Society, Inc. v. County of Stanislaus (1995) 33 Cal.App.4th 144, 153, 155.) The official custodian of the record is the Planning and Community Environment Director, 285 Hamilton Avenue, Palo Alto, CA 94301. VIII. GENERAL FINDINGS Significant and Potentially Significant Impacts Reduced to Less Than Significant With Implementation of Mitigation Measures The City Council agrees with the characterization in the Final EIR with respect to all impacts initially identified as “significant” or “potentially significant” that are reduced to less than significant levels with implementation of the mitigation measures identified in the Final EIR. In accordance with CEQA Guidelines §15091(a), a specific finding is made for each impact and its associated mitigation measures in the discussions below. Mitigation measures are summarized below and are presented in full in the EIR and the MMP, which is incorporated herein by reference. Air Quality Impact 3.1-1: Violate any air quality standard or contribute substantially to direct and/or indirect emissions of criteria air pollutants by emitting more than 54 pounds per day and/or 10 tons per year of nitrogen oxides (NOx), reactive organic gases (ROG), and fine particulate matter (PM2.5), or by emitting more than 82 pounds per day and/or 15 tons per year of coarse particulate matter (PM10). 1050 Page Mill Road Statement of Findings and Overriding Considerations 7 September 2015 Air pollution emissions modeling for the project indicated that emissions would remain below these thresholds as long as the construction control measures included in Mitigation Measure AIR-1 are implemented. These include the standard construction emission control measures required by the BAAQMD as well as limitations on the maximum hours per day that each piece of equipment may operate and requirements for use of Tier 2 and Tier 3 engines with Level 3 Diesel Particulate Filters. Finding: Changes or alterations have been required in, or incorporated into, the project which avoid or substantially lessen the significant environmental effect as identified in the EIR. Implementation of Mitigation Measure AIR-1 will ensure that the potential for the project to adversely impact air quality would be reduced to a less- than-significant level. Explanation: This mitigation measure will ensure construction emissions remain below the BAAQMD thresholds for criteria pollutants. This measure would provide the maximum feasible reduction in project construction air pollution emissions and reduce the potential for exceeding non-attainment standards to a less-than- significant level. Significance After Mitigation: Less Than Significant. Biological Resources Impact 3.2-1:Adversely affect special status species directly or through habitat modification, interfere substantially with wildlife movement, or impede the use of native wildlife nursery sites. The project could affect nesting birds and/or roosting bats. Mitigation Measure BIO-1 requires completion of a nesting bird survey prior to and throughout construction and proscribes protection/avoidance measures to be implemented if nesting birds are identified. Mitigation Measure BIO-2 requires completion of a bat survey prior to construction and proscribes protection/avoidance measures to be implemented if roosting bats are identified. Finding: Changes or alterations have been required in, or incorporated into, the project which avoid or substantially lessen the significant environmental effect as identified in the EIR. Implementation of the mitigation measures identified above and included in the MMP will ensure that the potential for the project to adversely affect special status species, directly or indirectly, would be reduced to a less-than-significant level. Explanation: These mitigation measures will ensure nesting birds, roosting bats and other special status species are identified and that proper protocol is followed prior to beginning or resuming construction. This will reduce disturbances to active nesting areas and roosts, and disruption of reproductive behavior for special status species found on construction sites. Significance After Mitigation: Less Than Significant. 1050 Page Mill Road Statement of Findings and Overriding Considerations 8 September 2015 Hazards and Hazardous Materials Impact 3.3-1: Create a significant hazard to the public or the environment through the routine transport, use, or disposal of hazardous materials. Hazardous materials used routinely for construction as well as hazardous materials present in the onsite soils and buildings could be released to the environment during demolition and construction. Mitigation Measures HAZ-1 through HAZ-6 identify Best Management Practices and applicable California Department of Industrial Relations-Division of Occupational Safety and Health standards, require implementation of a Soil Management Plan and asbestos-removal plan, require inspection and a disposal plan for any polychlorinated biphenyls identified onsite, and require preparation and implementation of a dewatering plan and detailed groundwater extraction design. These measures would ensure that hazardous materials are not released to the environment. Finding: Changes or alterations have been required in, or incorporated into, the project which avoid or substantially lessen the significant environmental effect as identified in the EIR. Implementation of the mitigation measures identified above and included in the MMP will ensure that the potential for the project to result in hazardous material exposure during construction would be reduced to a less-than-significant level. Explanation: These mitigation measures will ensure that hazardous materials are controlled and disposed of properly during construction. These mitigation measures will reduce the potential for people or the environment to be exposed to hazardous construction materials on- or offsite to less-than-significant levels. Significance After Mitigation: Less Than Significant. Impact 3.3-2: Create a significant hazard to the public or the environment through reasonably foreseeable upset and accident conditions involving the release of hazardous materials into the environment. Hazardous materials used routinely for construction as well as hazardous materials present in the onsite soils and buildings could be released to the environment during demolition and construction. Mitigation Measure HAZ-6 requires preparation and implementation of a dewatering plan and detailed groundwater extraction design and Mitigation Measure HAZ- 7 identifies construction standards to ensure that the proposed buildings are waterproof and appropriately ventilated such that individuals are not exposed to unacceptable concentrations of hazardous materials. Finding: Changes or alterations have been required in, or incorporated into, the project which avoid or substantially lessen the significant environmental effect as identified in the EIR. Implementation of the mitigation measure identified above and included in the MMP will ensure that the impacts related to contaminated soils and groundwater would be reduced to a less-than-significant level. 1050 Page Mill Road Statement of Findings and Overriding Considerations 9 September 2015 Explanation: These mitigation measures will ensure that contaminated soils and groundwater are removed from the project site and disposed of in an appropriate treatment facility, and prevent vapors from migrating from groundwater into the indoor air of the basement parking garage. Significance After Mitigation: Less Than Significant. Impact 3.3-3: Be located on a site which is included on a list of hazardous materials sites compiled pursuant to Government Code Section 65962.5 and, as a result, would create a significant hazard to the public or the environment. The project site is located in an area with a known contaminated groundwater plume. Mitigation Measure HAZ-7 identifies construction standards to ensure that the proposed buildings are waterproof and appropriately ventilated such that individuals are not exposed to unacceptable concentrations of hazardous materials. Finding: Changes or alterations have been required in, or incorporated into, the project which avoid or substantially lessen the significant environmental effect as identified in the EIR. Implementation of the mitigation measure identified above and included in the MMP will ensure that the impacts related to groundwater vapors would be reduced to a less-than-significant level. Explanation: This mitigation measure will ensure vapors cannot migrate from the groundwater into the indoor air of the basement parking garage, and identify minimum requirements for garage ventilation. Significance After Mitigation: Less Than Significant. Impact 3.3-4: Create a significant hazard to the public or the environment from existing hazardous materials contamination by exposing future occupants or users of the site to contamination in excess of soil and groundwater cleanup goals developed for the site. The project site is located in an area with a known contaminated groundwater plume. Mitigation Measure HAZ-7 identifies construction standards to ensure that the proposed buildings are waterproof and appropriately ventilated such that individuals are not exposed to unacceptable concentrations of hazardous materials. Finding: Changes or alterations have been required in, or incorporated into, the project which avoid or substantially lessen the significant environmental effect as identified in the EIR. Implementation of the mitigation measures identified above and included in the MMP will ensure that the impacts related to groundwater vapors would be reduced to a less-than-significant level. 1050 Page Mill Road Statement of Findings and Overriding Considerations 10 September 2015 Explanation: This mitigation measure will ensure vapors cannot migrate from the groundwater into the indoor air of the basement parking garage, and identify minimum requirements for garage ventilation. Significance After Mitigation: Less Than Significant. Noise Impact 3.4-1: Expose people to or generate noise levels in excess of standards established in the local general plan or noise ordinance, or applicable standards of other agencies. Individuals within the proposed buildings at the project site could experience interior noise levels that exceed the City’s standards. Mitigation Measure NOI-1 identifies minimum Sound Transmission Class (STC) ratings for windows and construction standards for exterior wall construction that will ensure the interior noise levels meet the California Green Building Standards Code requirement of Leq-1-hour 50 dBA or less. Finding: Changes or alterations have been required in, or incorporated into, the project which avoid or substantially lessen the significant environmental effect as identified in the EIR. Implementation of the mitigation measures identified above and included in the MMP will ensure that the impacts related to generated noise level would be reduced to a less-than-significant level. Explanation: This mitigation measure will ensure that performance standard is met by final building design to reduce amount of exposure to, and noise levels generated that exceed the standards established in the local general plan or noise ordinance. Significance After Mitigation: Less Than Significant. Impact 3.4-4: Noise generated during operation of the proposed project could cause a substantial permanent increase in ambient noise levels in the project vicinity above levels existing without the project. Rooftop mechanical equipment could generate an increase in noise levels at the nearest residential property that exceed 8 decibels. Mitigation Measure NOI-2 establishes the maximum allowable noise level for roof-top equipment to ensure that the project does not result in a significant permanent increase in ambient noise levels in the vicinity. Finding: Changes or alterations have been required in, or incorporated into, the project which avoid or substantially lessen the significant environmental effect as identified in the EIR. Implementation of the mitigation measure identified above and included in the MMP will ensure that the impacts related to noise generated during construction would be reduced to a less-than-significant level. Explanation: This mitigation measure will ensure that rooftop mechanical equipment falls under the maximum noise level requirement reducing the risk of generating noise 1050 Page Mill Road Statement of Findings and Overriding Considerations 11 September 2015 that will cause a permanent substantial increase in ambient noise levels in the project vicinity. Significance After Mitigation: Less Than Significant. Transportation and Traffic Impact 3.5-3: Result in inadequate emergency access. During construction, emergency access could be impaired. Mitigation Measure TRAF-1 requires preparation and implementation of a Construction Traffic Management Plan to demonstrate that access along Page Mill Road would not be impaired during construction. Finding: Changes or alterations have been required in, or incorporated into, the project which avoid or substantially lessen the significant environmental effect as identified in the EIR. Implementation of the mitigation measure identified above and included in the MMP will ensure that the impacts related to traffic and inadequate emergency access during construction would be reduced to a less-than-significant level. Explanation: This mitigation measure will ensure that a Construction Traffic Management Plan is in place to address possible traffic issues and reduce the potential for inadequate emergency access to a less than significant level. Significance After Mitigation: Less Than Significant. Impact 3.5-9: Cause queuing that exceeds queue storage capacity and interferes with traffic operations. The project could increase the number of vehicles needing to make left turns at the project access intersection. Mitigation Measure TRAF-2 requires the project applicant to construct the improvements necessary to accommodate the increased turn-lane traffic volumes while Mitigation Measure TRAF-3 requires the project applicant to contribute a fair share amount towards modification of the signal phasing for the Page Mill Road and Hanover Street intersection. Finding: Changes or alterations have been required in, or incorporated into, the project which avoid or substantially lessen the significant environmental effect as identified in the EIR. Implementation of the mitigation measure identified above and included in the MMP will ensure that the impacts related to queuing and interference with traffic operations during construction would be reduced to a less-than-significant level. Explanation: These mitigation measures will ensure that funds are allocated, and necessary road improvements are made to prevent queuing that interferes with traffic operations during construction. Significance After Mitigation: Less than Significant. 1050 Page Mill Road Statement of Findings and Overriding Considerations 12 September 2015 Significant and Unavoidable Impacts The City Council agrees with the characterization in the Final EIR that there are no significant and unavoidable impacts of the proposed project. IX. PROJECT ALTERNATIVES FINDINGS Feasibility of Project Alternatives Public Resources Code section 21002 provides that “public agencies should not approve projects as proposed if there are feasible alternatives or feasible mitigation measures available which would substantially lessen the significant environmental effects of such project[s].” When a lead agency finds, even after the adoption of all feasible mitigation measures, that a project will still cause one or more significant environmental effects that cannot be substantially lessened or avoided, it must, prior to approving the project as mitigated, first determine whether there are any project alternatives that are feasible and that would substantially lessen or avoid the project’s significant impacts. As stated in Section VIII above, there are no significant and unavoidable impacts associated with the proposed project. However, an alternatives analysis was completed and included in the Final EIR. Although an EIR must evaluate a range of potentially feasible alternatives, an agency decision- making body may ultimately conclude that a potentially feasible alternative is actually infeasible. (California Native Plant Society v. City of Santa Cruz (2009) 177 Cal.App.4th 957, 1001- 1002.) CEQA Guidelines §15126.6(f)(1) provides that among the factors that may be taken into account when addressing the feasibility of alternatives are “site suitability, economic viability, availability of infrastructure, general plan consistency, other plans or regulatory limitations, jurisdictional boundaries, and whether the proponent can reasonably acquire, control or otherwise have access to the alternative site.” Grounds for a conclusion of infeasibility might be the failure of an alternative to fully satisfy project objectives deemed to be important by decision-makers, or the fact that an alternative fails to promote policy objectives of concern to such decision-makers. (Id. at pp. 992, 1000-1003.) It is well established under CEQA that an agency may reject alternatives based on economic infeasibility. (Foundation for San Francisco’s Architectural Heritage v. City and County of San Francisco (1980) 106 Cal.App.3d 893, 913-914; San Franciscans Upholding the Downtown Plan v. City and County of San Francisco (2002) 102 Cal.App.4th 656, 774; Association of Irritated Residents v. County of Madera (2003) 107 Cal.App.4th 1383, 1399-1400; Sierra Club v. County of Napa (2004) 121 Cal.App.4th 1490, 1510.) In addition, the definition of feasibility encompasses “desirability” to the extent that an agency’s determination of infeasibility represents a reasonable balancing of competing economic, environmental, social, and technological factors supported by substantial evidence. (City of Del Mar v. City of San Diego (1982) 133 Cal.App.3d 410; 417.) Thus, even if a project alternative will avoid or substantially lessen any of the significant environmental effects of a proposed project as mitigated, the decision-makers may reject the alternative for such reasons. CEQA Guidelines §15126.6(f) states that the range of alternatives required in an EIR is governed by a “rule of reason” that requires the EIR to set forth only those alternatives necessary to permit a reasoned choice. Further, CEQA Guidelines §15126(a) requires that an EIR describe a 1050 Page Mill Road Statement of Findings and Overriding Considerations 13 September 2015 reasonable range of alternatives that would “feasibly obtain most of the basic project objectives” but would avoid or substantially lessen any of the significant environmental effects of the project and evaluate the comparative merits of the alternatives. Thus, the project objectives presented in the EIR provided the framework for defining the possible alternatives. Based upon guidance contained in the CEQA Guidelines and applicable case law as well as the project objectives, the Draft EIR considered one project alternative to the 1050 Page Mill Road project: the Reduced Project Alternative. The Draft EIR also considered the no project alternative as required by CEQA. The City Council finds that that a good-faith effort was made to evaluate a reasonable range of potentially feasible alternatives in the EIR that are reasonable alternatives to the project and could feasibly obtain most of the basic objectives of the project, even when the alternatives might impede the attainment of the project’s objectives and might be more costly. No Project Alternative The No Project Alternative assumes that the proposed 1050 Page Mill Road project would not be constructed and that the existing four buildings that total 265,895 square feet of general office and research and development space and surface parking for 564 cars would remain. No demolition would occur, and there would be no change in use or increase in office space. The EIR concluded that this alternative would have reduced impacts on air quality, biological resources, hazards and hazardous materials, and transportation and traffic. The No Project Alternative would not meet any of the proposed project objectives, and the existing buildings would not meet current standards for design, accessibility, hazardous materials, or seismic safety. Feasibility of the No Project Alternative: The City Council finds that this alternative is infeasible in that it meets none of the project objectives. Specifically, it does not support the project objectives of creating a modern, LEED-certified and efficient campus that will support research, development and innovation in Stanford Research Park, using architecture to create a varied and interesting Page Mill Road streetscape, or meeting current building standards. For all of the foregoing reasons, and for any of them individually, the City Council determines that the No Project Alternative is infeasible and is hereby rejected. Reduced Project Alternative The Reduced Project Alternative assumes that the project site will be redeveloped similar to the proposed project. However, the new building space on site would be limited to 225,000 square feet rather than the proposed 276,640 square feet. Parking would be slightly reduced, consistent with the City of Palo Alto Municipal Code parking requirements. This alternative would most likely result in a greater amount of landscaped area within in the project site. This alternative was considered and analyzed as an alternative that would meet the stated objectives of current standards for design, accessibility, hazardous materials, and seismic safety, and including outdoor gathering space. The EIR concluded that the Reduced Project Alternative meets most of the project objectives by redeveloping the site with a smaller square foot building that meets current standards and increasing the outdoor gathering spaces and connections between the interior and exterior 1050 Page Mill Road Statement of Findings and Overriding Considerations 14 September 2015 spaces. This alternative would also meet the objectives related to creating a modern, LEED- certified, efficient campus that would support research, development and innovation at Stanford Research Park and using architecture to create a varied and interesting Page Mill Road streetscape. Under the Reduced Project Alternative, the impacts to biological resources, hazards and hazardous materials and noise would be generally the same as under the proposed project. Impacts to air quality, and transportation and traffic would generally be reduced compared to the proposed project. Feasibility of the Reduced Project Alternative: While the alternative may be feasible and capable of meeting most of the basic project objectives, this alternative does not substantially reduce impacts compared to the proposed project. The Reduced Project Alternative would require the same mitigation measures for air quality, biological resources, hazards and hazardous materials, and noise as would be required under the proposed project. Further the proposed project would result in no significant and unavoidable impacts Therefore, under CEQA, the City Council is not required to adopt the Reduced Project Alternative. X. GROWTH INDUCEMENT FINDINGS Growth can be induced in a number of ways, such as through the elimination of obstacles to growth, through the stimulation of economic activity within the region, or through the establishment of policies or other precedents that directly or indirectly encourage additional growth. Induced growth would be considered a significant impact if it can be demonstrated that the potential growth would directly or indirectly have a significant effect on the environment. Residential development can induce growth by increasing the local population, which may lead to increased commercial activity, which may increase the local supply of jobs. Extension of public infrastructure or services can accommodate growth by removing constraints to development. A growth-inducing project directly or indirectly:  Fosters economic or population growth or additional housing;  Removes obstacles to growth;  Taxes community services or facilities to such an extent that new services or facilities would be necessary; or  Encourages or facilitates other activities that cause significant environmental effects. The 1050 Page Mill Road project would provide additional office space in the City by increasing the usable office space by approximately 99,120 square feet. This increase in office space would accommodate additional employees and could indirectly induce a small amount of growth because some employees would seek housing and purchase foods and services in the area. Finding: The 1050 Page Mill Road project would not induce substantial growth in the project area or region. 1050 Page Mill Road Statement of Findings and Overriding Considerations 15 September 2015 Explanation: The potential for growth inducement due to the increase in office space is not considered substantial. The increase in employment opportunities the project would provide would be insufficient to trigger noticeable changes in the housing market or demand for local goods and services. In addition, construction of the proposed project would be temporary and these short-term construction jobs are anticipated to be filled by workers who, for the most part, reside in the surrounding areas. XI. CUMULATIVE IMPACTS FINDINGS The City Council finds that the methodology used in the EIR to determine cumulative impacts complies with CEQA in that it assumed growth in accordance with the City of Palo Alto Comprehensive Plan as well as considering other known development projects in the region, and it provides an analysis of potential for the 1050 Page Mill Road project to contribute to cumulative impacts in the project area. Finding: The City Council finds that the project would result in a less than considerable contribution to significant cumulative impacts in the project area. Air Quality: Cumulative impacts to air quality may result in increases in pollutants for which the San Francisco Area Air Basin is designated as nonattainment for the California Ambient Air Quality Standards and National Ambient Air Quality Standards. The San Francisco Bay Area Basin is currently designated as a nonattainment area for State and national ozone standards and State particulate matter standards. The proposed project is consistent with the Bay Area 2010 Clean Air Plan, and land use and zoning designations for the project site. The proposed project would demolish existing office, research and development, and warehouse space and construct an equivalent amount of office space. The proposed project would generate an increase of 663 daily vehicle trips compared to baseline conditions. Further, the proposed project would replace old buildings with new, energy-efficient buildings and would provide for on-site solar power generation through roof-top photovoltaic panels. The proposed project would reduce regional air pollution associated with energy consumption. The operation of the proposed project would not result in emissions that violate any applicable air quality standards or contribute substantially to an existing or projected air quality violation. Due to the limited scope of new air pollutant emissions resulting from the proposed redevelopment project, the proposed project would result in a less-than-significant contribution to cumulative air quality impacts in the region. Biological Resources: Cumulative impacts to biological resources would occur if development in the region would result in a substantial loss of habitat for special- status species and sensitive vegetation communities. The project site is located within a highly developed area where the primary biological resource is the urban forest. The urban forest functions as an extension of the natural habitats near the San Francisco Bay and in the western foothills by providing coverage, forage, and nesting habitat for common and special-status wildlife species. The proposed project would result in potentially significant impacts to nesting birds, including raptors, and roosting bats. Under the City’s Tree Preservation Ordinance (Palo Alto 1050 Page Mill Road Statement of Findings and Overriding Considerations 16 September 2015 Municipal Code, Section 8.10; City of Palo Alto 2015), the City has established procedures and standards to encourage tree preservation. Project applicants are required to prepare a Tree Protection and Preservation Plan, to implement tree protection measures during construction, and to replace or compensate for any protected trees that are removed. Compliance with the Tree Preservation Ordinance ensures that the habitat value of the urban forest will be maintained in the cumulative conditions, and that cumulative impacts to special-status species and sensitive vegetation communities related to development within the urban forest will remain less than significant. Hazards and Hazardous Materials: Cumulative impacts related to hazards and hazardous materials would result from projects that combine to increase exposure to hazards and hazardous materials. The proposed project would result in significant impacts related to the potential for disposal and accidental release of hazardous materials during construction. In addition, the proposed project could result in a significant impact during operation due to the potential for vapor intrusion into the underground parking garages from contaminated groundwater below the site. With implementation of Mitigation Measures HAZ-1 through HAZ-7, impacts would be reduced to below a level of significance. Many of the past, present, and reasonably foreseeable projects in the vicinity of the proposed project include demolition of existing buildings and/or constructing of underground parking within or near the contaminated groundwater plume that underlies the project site. These projects have the potential to result in similar impacts as the proposed project due to the presence of contaminated groundwater and hazardous materials in existing buildings that could be released during demolition or remodeling, and the potential for an accidental release of hazardous materials. However, these projects would also be required to comply with the applicable state and federal regulations pertaining to hazardous materials and would be required to implement mitigation measures to ensure impacts remain below a level of significance. Impacts related to the presence of contaminated groundwater are generally site-specific in that there is potential for individuals to be exposed to trichloroethylene (TCE) or polychlorinated biphenyls (PCBs) through migration of vapor from the groundwater into a building. Any TCE released to the outside air would disperse quickly. Therefore, building construction in the cumulative scenario would not contribute to a local or regional increase in health hazards associated with exposure to TCE. Similarly, exposure to hazardous building materials during demolition or remodeling is a site-specific issue, where individuals within or adjacent to the project site could be exposed to air contaminants released through the demolition activities, but these activities would not contribute to ongoing localized or regional increases in concentrations or airborne hazardous materials. Finally, based on existing general plan and zoning designations, the project location is not designated by the City as land uses that use or transport substantial amounts of hazards material and would not increase exposure to hazardous materials in the project vicinity. Therefore, there is no known existing cumulative impact related to hazardous materials in the project area, and the proposed project would not result in a cumulatively considerable contribution to a cumulative impact. 1050 Page Mill Road Statement of Findings and Overriding Considerations 17 September 2015 Noise: Cumulative noise impacts are based on the anticipated cumulative traffic conditions. The cumulative traffic analysis identifies projected traffic volume data in the project vicinity with and without the proposed project for the 2025 cumulative scenario. The analysis assumes that the existing buildings at the project site would be reoccupied if the proposed project is not constructed. The relatively high traffic volumes on the surrounding roads are the primary sources of noise in the area. The Traffic Impact Analysis prepared by Hexagon Transportation Consultants indicates that the traffic volume associated with the proposed project is not expected to increase substantially over cumulative conditions without the proposed project. Therefore, the proposed project would not constitute a substantial portion of future cumulative traffic volume, and therefore noise levels, at noise sensitive receptors in the vicinity. The proposed project’s contribution to cumulative noise levels would be less than cumulatively considerable. Transportation and Traffic: The proposed project would result in a significant impact related to increased vehicle queue lengths, and this impact would be mitigated to a less-than-significant level. When combined with other past, present, or reasonably foreseeable projects, there is a potential for a substantial increase in traffic in the vicinity of the proposed project, which could cause a significant impact to traffic operations. Because the increases in delay at each intersection due to the proposed project would be less than the City’s thresholds in terms of seconds of delay and V/C ratio, the proposed project’s contribution to traffic at these intersections would be less than cumulatively considerable. Under cumulative conditions, both the eastbound lane of the project driveway and Page Mill Road intersection and the westbound lane of the Hanover Street and Page Mill Road intersection would exceed their storage capacity during the weekday AM peak- hours. As a result of the improvements required under Mitigation Measure TRAF-2, under cumulative plus project conditions, there would be sufficient storage capacity in the eastbound lane of the project driveway and Page Mill Road intersection to accommodate the 95th percentile queue in both the weekday AM and PM peak- hours. However, the 95th percentile queue in the westbound lane of the Hanover Street and Page Mill Road intersection would exceed the lane’s capacity under cumulative and cumulative plus project conditions. This would be a significant cumulative impact. However, traffic associated with the proposed project would not increase the queue length at the intersection of Hanover Street and Page Mill Road. Therefore, the proposed project would not contribute to this cumulative impact, and therefore the proposed project would have no cumulative impacts related to vehicle queueing. Explanation: The potential impacts of project activities are limited to site specific conditions and would not result in any cumulatively considerable contributions to cumulative impacts in the project vicinity or region. Significance After Mitigation: Less than Significant. 1050 Page Mill Road Statement of Findings and Overriding Considerations 18 September 2015 XII. STATEMENT OF OVERRIDING CONSIDERATIONS The 1050 Page Mill Road EIR concluded that there are no significant and unavoidable impacts of the proposed project. XIII. CONCLUSION The mitigation measures listed in conjunction with each of the findings set forth above, as implemented through the MMP, will eliminate or reduce to a less than significant level all adverse environmental impacts of the proposed project. Taken together, the Final EIR, the mitigation measures, and the MMP provide an adequate basis for approval of the 1050 Page Mill Road project. Attachment I Mitigation Monitoring Program 1050 Page Mill Road Project MMP 8548 October 2015 1 Introduction Section 15097 of the Guidelines for the California Environmental Quality Act (CEQA) requires that, whenever a public agency approves a project based on a Mitigated Negative Declaration (MND) or an Environmental Impact Report (EIR), the public agency shall establish a mitigation monitoring or reporting program to ensure that all adopted mitigation measures are implemented. This Mitigation Monitoring Program (MMP) is intended to satisfy this requirement of the CEQA Guidelines as it relates to the 1050 Page Mill Road Project (proposed project). This MMP will be used by City of Palo Alto (City) staff and mitigation monitoring personnel to ensure compliance with mitigation measures during project implementation. Mitigation measures identified in this MMP were developed in the EIR prepared for the proposed project. As noted above, the intent of the MMP is to ensure the effective implementation and enforcement of all adopted mitigation measures. The MMP will provide for monitoring of construction activities, as necessary, and in the field identification and resolution of environmental concerns. Mitigation Monitoring Program Description The City will coordinate monitoring activities and document the implementation of mitigation measures for each project component. The site-specific MMPs in Table 1 identify the project’s mitigation measures and the associated implementation, monitoring, timing and performance requirements. The table includes: 1. the full text of each applicable mitigation measure; 2. the party or parties responsible for implementation and monitoring of each measure; 3. the timing of implementation of each mitigation measure including any ongoing monitoring requirements; and 4. performance criteria by which to ensure mitigation requirements have been met. Following completion of the monitoring and reporting process, the final monitoring results will be recorded and incorporated into the project file maintained by the City’s Department of Planning and Community Environment. It is noted that mitigation measure numbering reflects the numbering used in the EIR prepared for the 1050 Page Mill Road project (Dudek 2015). Attachment I Mitigation Monitoring Program 1050 Page Mill Road Project MMP 8548 October 2015 1 No mitigation measures are required for the following resources:  Aesthetics  Agriculture and Forestry Resources  Cultural Resources  Geology/Soils  Greenhouse Gas Emissions  Hydrology/Water Quality  Land Use/Planning  Mineral Resources  Population/Housing  Public Services  Recreation  Utilities/Service Systems Mitigation Measure Implementation Responsibility Monitoring Responsibility Timing Performance Evaluation Criteria AIR QUALITY Mitigation Measure AIR-1: The following emission control measures shall be implemented during project construction. The City of Palo Alto (City) shall verify compliance with Items 1 and 9 prior to issuance of demolition, grading, and/or building permits. Items 2 through 8 (inclusive) shall be included as notes on construction plans and subject to verification through field inspections: 1. An inventory of construction equipment and schedule for equipment use shall be submitted to the City’s Public Works Department before issuance of demolition and/or grading permits. The inventory shall demonstrate that the off-road vehicle fleet used for project construction meets the following requirements: a. Through construction phasing and equipment scheduling, the project contractor shall limit equipment operation to a maximum of 6 hours per Applicant City of Palo Alto  Items 1 and 9 prior to issuance of demolition, grading or building permits.  For phone calls regarding dust, response and corrective action shall take place within 48 hours.  Items 2-8 (inclusive) included on construction plans, field inspections for verification may occur  Submission of construction equipment inventory and schedule to the City’s Public Works Department.  Publically visible sign posted at the project site.  Field inspections conducted to verify adherence to conditions. Attachment I Mitigation Monitoring Program 1050 Page Mill Road Project MMP 8548 October 2015 1 Mitigation Measure Implementation Responsibility Monitoring Responsibility Timing Performance Evaluation Criteria day for each piece of active equipment. b. All rubber-tired dozers, tractors, loaders, and backhoes used at the site shall be Tier 3 engineers and shall have Level 3 Diesel Particulate Filters. c. All excavators and concrete/industrial saws used at the site shall be Tier 2 engines and shall have Level 3 Diesel Particulate Filters. 2. All exposed surfaces (e.g., parking areas, staging areas, soil piles, graded areas, and unpaved access roads) shall be watered two times per day. 3. All haul trucks transporting soil, sand, or other loose material off site shall be covered. 4. All visible mud or dirt track-out onto adjacent public roads shall be removed using wet power vacuum street sweepers at least once per day. The use of dry power sweeping is prohibited. 5. All vehicle speeds on unpaved roads shall be limited to 15 miles per hour. 6. All roadways, driveways, and sidewalks to be paved shall be completed as soon as possible. Building pads shall be laid as soon as possible after grading unless seeding or soil binders are used. 7. Idling times shall be minimized either by shutting equipment off when not in use or reducing the maximum idling time to 5 minutes (as required by the California airborne toxics control measure Title 13, Section 2485, of the California Code of Regulations). Clear signage shall be provided for construction workers at all access points. 8. All construction equipment shall be maintained and properly tuned in accordance with manufacturer’s at random. Attachment I Mitigation Monitoring Program 1050 Page Mill Road Project MMP 8548 October 2015 1 Mitigation Measure Implementation Responsibility Monitoring Responsibility Timing Performance Evaluation Criteria specifications. All equipment shall be checked by a certified mechanic and determined to be running in proper condition before operation. 9. The construction contractor shall post a publicly visible sign at the project site with the telephone number and person to contact at the City of Palo Alto regarding dust complaints. This person shall respond and take corrective action within 48 hours. The Bay Area Air Quality Management District’s phone number shall also be visible to ensure compliance with applicable regulations. BIOLOGICAL RESOURCES Mitigation Measure BIO-1: If feasible, vegetation on the project site shall be removed outside of the bird-nesting season. If the start of site clearing, tree removal, or building demolition occurs between February 1 and August 31, a pre-construction survey for nesting birds protected under the Migratory Bird Treaty Act shall be conducted by a qualified biologist to identify the location of nests in active use that were established prior to the start of project implementation activities. The pre-construction survey shall take place no more than 7 days prior to initiation of construction. All trees and shrubs on the site shall be surveyed, with particular attention to any trees or shrubs that would be removed or directly disturbed. Further, the project applicant shall retain a qualified biologist to perform additional nesting bird surveys at least every 2 weeks during all phases of construction that occur during the nesting season. If an active nest of a protected bird is found on site at any time, the biologist shall, in consultation with the California Department of Fish and Wildlife (CDFW), determine whether construction work would affect the active nest or disrupt reproductive behavior. Criteria used for this evaluation shall include presence of visual screening between the nest and construction activities, and behavior of adult raptors in response to the surveyors or other ambient human activity. If construction could affect the nest or disrupt Applicant City of Palo Alto  Within 7 days of construction initiation if construction occurs between February 1 and August 31.  Verification of surveys prior to issuance of demolition permits.  Additional surveys performed every 2 weeks during construction that occurs during the nesting season.  Immediate consultation with California Department of Fish and Wildlife if active nests are found.  Pre-construction surveys and verification of surveys by the City of Palo Alto.  Additional surveys conducted every 2 weeks.  No construction within 300 feet of nests determined to be active.  Verification of consultation with CDFW if necessary. Attachment I Mitigation Monitoring Program 1050 Page Mill Road Project MMP 8548 October 2015 1 Mitigation Measure Implementation Responsibility Monitoring Responsibility Timing Performance Evaluation Criteria reproductive behavior, the biologist shall, in consultation with CDFW, determine an appropriate construction-free buffer zone around the nest to remain in place until the young have fledged or other appropriate protective measures are taken to ensure no take of protected species occurs. If it is determined that construction will affect an active raptor nest or disrupt reproductive behavior, then avoidance is the only mitigation available. Construction shall not be permitted within 300 feet of such a nest until a qualified biologist determines that the subject nests are no longer active. Prior to issuance of a demolition permit, the City of Palo Alto (City) shall verify that pre-construction surveys have been conducted within 7 days of the proposed start of demolition. If active bird nests are present, the City shall verify that CDFW has been consulted and either determined that construction will not affect an active bird nest or that appropriate construction-free buffer zones have been established or other appropriate protective measures have been taken. Mitigation Measure BIO-2: No earlier than 30 days prior to initiation of construction activities, a pre-construction survey shall be conducted by a qualified biologist (i.e., a biologist holding a California Department of Fish and Wildlife (CDFW) collection permit and a Memorandum of Understanding with CDFW allowing the biologist to handle bats) to determine if active bat roosts or maternal colonies are present on or within 300 feet of the construction area. Surveys shall include the structures proposed for demolition. Should an active maternity roost be identified, the roost shall not be disturbed and construction within 300 feet of the maternity roost shall be postponed or halted until the juveniles have fledged and the roost is vacated, as determined by a qualified biologist. Consultation with CDFW shall also be initiated. Under no circumstance shall an active roost be directly disturbed. If nonbreeding bat hibernacula are found on the project site, the Applicant City of Palo Alto  Within 30 days of initiation of construction activities.  Verification of pre- construction surveys prior to issuance of demolition permits.  Pre-construction surveys and verification of surveys by the City of Palo Alto.  No construction within 300 feet of nests determined to be active.  Verification of consultation with CDFW if necessary. Attachment I Mitigation Monitoring Program 1050 Page Mill Road Project MMP 8548 October 2015 1 Mitigation Measure Implementation Responsibility Monitoring Responsibility Timing Performance Evaluation Criteria individuals shall be safely evicted under the direction of a qualified bat biologist and with consultation with CDFW. These actions shall allow bats to leave during nighttime hours, thus increasing their chance of finding new roosts with a minimum of potential predation during daylight. If it is determined that construction will not affect roosting behavior or disrupt a maternal colony, construction may proceed without any restriction or mitigation measure. If it is determined that construction will affect an active bat roost or disrupt reproductive behavior, then avoidance is the only mitigation available. Under no circumstance shall an active roost be directly disturbed. Construction within 300 feet shall be postponed or halted until the roost is naturally vacated as determined by a qualified biologist. Prior to issuance of a demolition permit, the City of Palo Alto (City) shall verify that pre-construction surveys have been conducted within 30 days of the proposed start of demolition. If bats are present, the City shall verify that CDFW has been consulted and either determined that construction will not affect an active bat roost or disrupt a maternal colony, or that individuals in a nonbreeding bat hibernacula have been safely evicted. Due to regulations from the California Health Department, direct contact by construction workers with any bat is not allowed. CULTURAL RESOURCES Mitigation Measure CUL-1: In the event that subsurface cultural resources are encountered during ground-disturbing activities, work in the immediate vicinity shall be stopped and the City of Palo Alto contacted. A qualified archaeologist, as defined by the California Environmental Quality Act (CEQA) Guidelines and the City of Palo Alto, shall be retained to evaluate the archaeological discovery for its eligibility for local and State listing. The discovery or disturbance of Applicant City of Palo Alto  During ground disturbing activities  Cultural resource report shall be submitted to the City of Palo Alto and the Native American Heritage Commission when Attachment I Mitigation Monitoring Program 1050 Page Mill Road Project MMP 8548 October 2015 1 Mitigation Measure Implementation Responsibility Monitoring Responsibility Timing Performance Evaluation Criteria any identified cultural resource shall be reported as appropriate to the City of Palo Alto and the Native American Heritage Commission. Identified cultural resources shall be recorded on California Department of Parks and Recreation form 523 (archaeological sites). Measures prescribed by these groups and required by the City shall be undertaken before construction activities are resumed. If disturbance of a project area cultural resource cannot be avoided, a mitigation program, including measures set forth in the City of Palo Alto’s Cultural Resources Management Program and in compliance with Sections 15064.5 and 15126.4 of the CEQA Guidelines, shall be implemented. appropriate.  Completion of California Department of Parks and Recreation form 523 when appropriate. HAZARDS AND HAZARDOUS MATERIALS Mitigation Measure HAZ-1: Hazardous materials shall not be disposed of or released onto the ground, the underlying groundwater, or any surface water. During construction, the project applicant’s contractor shall provide totally enclosed containment areas for all on- site trash containers during project construction. All construction waste, including trash and litter, garbage, other solid waste, petroleum products, and other potentially hazardous materials, shall be removed and relocated to a waste facility permitted to treat, store, or dispose of such materials. The City of Palo Alto shall periodically inspect the site throughout construction to ensure trash is properly contained. Applicant City of Palo Alto  During project construction  Applicant provides enclosed containment areas for all on-site trash containers, and all construction wastes disposed of at a waste facility approved to accept such materials.  Periodic field inspections conducted to verify compliance. Mitigation Measure HAZ-2: The project applicant, in consultation with the City of Palo Alto’s (City’s) Public Works Department, shall coordinate with Hargis + Associates Inc. and Beckman Coulter Inc. to amend the Soil Management Plan to address the presence of volatile organic compounds (VOCs) and total petroleum hydrocarbon (TPH ) contamination in the soils once these areas become accessible. The project applicant/construction contractor shall demonstrate to the Applicant  City of Palo Alto Public Works Department  San Francisco Regional Water Quality Control Board (RWQCB)  During construction activities, as soil areas become accessible.  Demonstrate adequate soil remediation to City of Palo Alto’s Public Works Department and the RWQCB.  Applicant maintains Attachment I Mitigation Monitoring Program 1050 Page Mill Road Project MMP 8548 October 2015 1 Mitigation Measure Implementation Responsibility Monitoring Responsibility Timing Performance Evaluation Criteria satisfaction of the City’s Public Works Department and the Regional Water Quality Control Board that the soils have been adequately remediated. Copies of the Soil Management Plan shall be maintained on site during demolition and excavation. All construction workers on the project site shall be familiarized with these documents. copies of the Soil Management Plan on-site during demolition and excavation. Mitigation Measure HAZ-3: A scope of work for asbestos abatement and guidelines for proper asbestos removal shall be prepared following local, state, and federal regulations for any necessary removal of asbestos in accordance with the Professional Services Industries survey (2009). The City of Palo Alto’s (City’s) Public Works Department and the Bay Area Air Quality Management District shall review and approve the scope of work to remove asbestos. The Bay Area Air Quality Management District shall be notified at least 10 working days prior to any asbestos removal. The City of Palo Alto shall periodically inspect the site throughout asbestos removal operations to ensure regulatory compliance. The removal of asbestos- containing material shall be carried out by a contractor trained and qualified to conduct this work. Following asbestos abatement and removal, a final visual inspection and clearance air monitoring shall be performed to certify that industry clearance standards are met. Verification that all asbestos has been successfully remediated shall be provided to the City’s Public Works Department and the Bay Area Air Quality Management District. Applicant  City of Palo Alto Public Works Department  BAAQMD  Asbestos abatement scope of work prepared prior to building demolition.  City of Palo Alto to conduct field inspections during construction.  Air monitoring conducted throughout and upon completion of construction.  BAAQMD notified at least 10 working days prior to any asbestos removal.  Air monitoring during abatement and at time of final inspection show regulatory limits on asbestos dust are met.  Final visual inspection confirms work meets industry clearance standards.  Verification by City’s Public Works Department and the BAAQMD that all asbestos has been successfully remediated. Mitigation Measure HAZ-4: The project applicant shall include a provision in any contract with a construction contractor that every contractor/employer who performs demolition work at the project site shall comply with the California Division of Occupational Safety and Applicant City of Palo Alto Public Works Department  Demolition plans and contract specifications shall include appropriate measures  Demolition plans/contracts include all required abatement Attachment I Mitigation Monitoring Program 1050 Page Mill Road Project MMP 8548 October 2015 1 Mitigation Measure Implementation Responsibility Monitoring Responsibility Timing Performance Evaluation Criteria Health worker protection rules, California Department of Public Health certification requirements, U.S. Environmental Protection Agency (EPA) standards, and state and federal disposal requirements. Any demolition activities likely to disturb lead-based paint/coatings or lead- containing materials (LCMs) shall be carried out by a contractor trained and qualified to conduct lead-related construction work. Asbestos-containing materials (ACMs) must be disposed of in accordance with the EPA’s Asbestos National Emissions Standards for Hazardous Air Pollutants, and LCMs must be handled in accordance with the California Division of Occupational Safety and Health Construction Lead Standard (8 CCR 1532.1) and disposed of in accordance with California Department of Toxic Substances Control and EPA requirements for hazardous waste. Demolition plans and contract specifications shall incorporate any necessary abatement measures required under these guidelines and regulations. The project applicant/construction contractor shall demonstrate to the satisfaction of the City’s Public Works Department that the abatement measures and all disposal requirements have been met. prior to issuance of demolition permits.  Control measures implemented during demolition. measures.  Demolition activities are performed by qualified and trained personnel.  LCMs and ACMs disposed of in accordance with the EPA’s Asbestos National Emissions Standards for Hazardous Air Pollutants, the California Division of Occupational Safety and Health Construction Lead Standard (8 CCR 1532.1), the California Department of Toxic Substances Control and EPA requirements for hazardous waste.  Approval from Public Works Department that abatement measures and disposal requirements have been met. Mitigation Measure HAZ-5: The project applicant/construction contractor shall retain a qualified environmental specialist to inspect the site buildings for the presence of polychlorinated biphenyls Applicant City of Palo Alto Public Works Department  Building inspection prior to demolition.  Demolition plans  Building inspection completed.  Demolition plans and Attachment I Mitigation Monitoring Program 1050 Page Mill Road Project MMP 8548 October 2015 1 Mitigation Measure Implementation Responsibility Monitoring Responsibility Timing Performance Evaluation Criteria (PCBs), mercury, and other hazardous building materials prior to demolition. If found, these materials shall be managed in accordance with the Metallic Discards Act of 1991 and other state and federal guidelines and regulations. Demolition plans and contract specifications shall incorporate any necessary abatement measures in compliance with the Metallic Discards Act (California Public Resource, Section 42160 et seq.), particularly Section 42175, Materials Requiring Special Handling, for the removal of mercury switches, PCB-containing ballasts, and refrigerants. The project applicant/construction contractor shall demonstrate to the satisfaction of the City’s Public Works Department that the abatement measures and all disposal requirements have been met. include appropriate measures prior to issuance of demolition permits.  Control measures implemented during demolition. contract specifications shall incorporate all required abatement measures in compliance with the Metallic Discards Act (California Public Resource, Section 42160 et seq.).  Approval from Public Works Department that the abatement measures and all disposal requirements have been met. Mitigation Measure HAZ-6: The project applicant/construction contractor shall prepare a dewatering plan and detailed groundwater extraction design plans to the satisfaction of the City of Palo Alto’s (City’s) Public Works Department. The dewatering plan shall outline procedures designed to lower groundwater levels during excavation, and specify the number of groundwater dewatering wells with dedicated pumps that shall be installed around the site perimeter throughout project duration. The project applicant/contractor shall test the groundwater pumped during dewatering for volatile organic compounds (VOCs) using U.S. Environmental Protection Agency (EPA) Methods 601/602. If VOC concentrations are lower than the State Maximum Contamination Level of 5 micrograms per liter, the water may be discharged as described in the following text. If concentrations exceed 5 micrograms per liter, the water shall be treated with carbon to remove the trace levels of trichloroethylene prior to discharge. Any discharge shall occur in accordance with National Pollutant Discharge Elimination System (NPDES) Permit No. CAG912002, Order No. R2-2012-0012. Applicant City of Palo Alto Public Works Department  Dewatering plan prepared prior to site clearing/grading.  Dewatering plan implemented throughout construction.  A dewatering plan prepared and submitted to the City.  Plans shall include procedures to lower groundwater levels during excavation and specifies the number of groundwater dewatering wells with dedicated pumps that will be installed around the site perimeter.  Groundwater pumped shall be tested for volatile Attachment I Mitigation Monitoring Program 1050 Page Mill Road Project MMP 8548 October 2015 1 Mitigation Measure Implementation Responsibility Monitoring Responsibility Timing Performance Evaluation Criteria If volatile organic compound concentrations are lower than the State Maximum Contamination Level, extracted groundwater shall go to a publically owned treatment work or to the storm drain network in accordance with the NPDES permit. A plan for groundwater discharge pretreatment shall be developed and kept on hand should implementation be necessary. The detailed groundwater extraction design shall outline chemical testing and thresholds as required by the publically owned treatment work or NPDES permit. It shall also provide the dewatering systems layout and well construction information, including depths, screened intervals, and pump settings. The City’s Public Works Department shall periodically inspect the site to ensure dewatering activities comply with the dewatering plan and no contaminated water is disposed of in the City’s storm drain system. organic compounds using EPA methods 601/602.  Any discharge shall be in compliance with NPDES Permit No. CAG912002, Order No. R2-2012- 0012.  Excavated groundwater shall be pre-treated as necessary and disposed of via the City’s storm drain network or publically owned treatment works.  Groundwater pretreatment plan developed and kept on hand.  Inspections by the Public Works Department to ensure compliance with dewatering plan. Mitigation Measure HAZ-7: The project applicant shall include in building plans the installation of a Cetco Coreflex or similar waterproofing/vapor barrier membrane to prevent the migration of vapor from groundwater into the indoor air of the basement parking garage. Specifically, the building plans shall provide for the following 1. Installation of a vapor barrier and waterproofing membrane below the building foundation Applicant City of Palo Alto Public Works Department  Building plans include required measures prior to issuance of building permit.  Compliance with building plans verified and air monitoring conducted prior to  Vapor barrier and waterproofing membrane included on building plans and installed.  Geotextile fabric on the backfill included on building plans Attachment I Mitigation Monitoring Program 1050 Page Mill Road Project MMP 8548 October 2015 1 Mitigation Measure Implementation Responsibility Monitoring Responsibility Timing Performance Evaluation Criteria 2. Placement of a geotextile fabric on the backfill to protect the barriers from backfill puncture 3. Sealing of slab penetrations with a water-tight sealant 4. Testing of the installation of the barriers in the field 5. Submitting of post-construction, as-built drawings of the vapor barrier with the following: a. A stamp and a signature of a professional engineer b. A written professional engineer statement that assures the barrier was properly installed The building plans shall also demonstrate that garage ventilation equipment is sufficient to meet the National Fire Protection Association’s (NFPA’s) 2011 Standard for Parking Structures (NFPA 88A) to continuously provide a minimum of two air changes per hour. The project applicant shall demonstrate to the City of Palo Alto’s (City’s) Public Works Department that indoor air quality in the basement garage effectively maintains indoor air volatile organic compound (VOC) concentrations at levels not harmful to health (i.e., below appropriate environmental screen levels). An initial round of sampling shall be conducted upon construction completion and quarterly for the first year of operation. For each sampling event, a minimum of two 24-hour integrated indoor air samples shall be collected from the basement garage along with one 24-hour integrated air sample from an exterior location representative of issuance of certificate of occupancy.  Air monitoring conducted quarterly for one year following construction. and installed.  Slab penetrations sealed with water- tight sealant included on building plans and completed.  Field barrier testing included on building plans and completed.  Post-construction as built drawings of the vapor barrier submitted to the City.  Garage ventilation sufficient to continuously provide a minimum of two air charges per hour included on building plans and installed.  Air quality from basement garage sampled quarterly for the first year after construction.  Sampling shall include a minimum of two 24-hour integrated samples from basement garage along with one 24-hour integrated sample from an exterior Attachment I Mitigation Monitoring Program 1050 Page Mill Road Project MMP 8548 October 2015 1 Mitigation Measure Implementation Responsibility Monitoring Responsibility Timing Performance Evaluation Criteria ambient/background conditions. Sampling and analytical procedures shall be conducted in accordance with the Department of Toxic Substance Control’s Vapor Intrusion Guidance (DTSC 2011). Results from the indoor air sampling shall be compared to established regulatory indoor air thresholds for residential and commercial use. The data shall be provided to the City’s Public Works Department and evaluated following the 1-year monitoring period. location representative of background conditions and be conducted according to the Department of Toxic Substance Control’s Vapor Intrusion Guidelines.  Data from sampling shall be provided to the Public Works Department and evaluated following the one year monitoring period. NOISE Mitigation Measure NOI-1: The project shall be designed to meet the following performance standards: The window Sound Transmission Class (STC) ratings and the exterior wall construction shall be designed to ensure that noise levels meet the California Green Building Standards Code requirement of Leq-1- hour 50 dBA or less, and documentation that project design meets this requirement shall be provided to the City of Palo Alto (City). STC ratings for selected assemblies shall be based on laboratory testing performed in accordance with American Society for Testing and Materials (ASTM) E-90 and comprise the entire window or door assembly, including the frame. If non-tested assemblies are to be used, an acoustical consultant shall review the glazing and frame submittals, and the STC rating of the glass may need to be increased. Applicant City of Palo Alto  Prior to issuance of building permit.  Approved building plans shall include window sound transmission class ratings and exterior wall construction that meet the California Green Building Standard Code requirements.  Documentation provided to the City showing that the project design meets requirements of the California Green Attachment I Mitigation Monitoring Program 1050 Page Mill Road Project MMP 8548 October 2015 1 Mitigation Measure Implementation Responsibility Monitoring Responsibility Timing Performance Evaluation Criteria Building Code. Mitigation Measure NOI-2: Rooftop mechanical equipment shall generate a maximum noise level of 88 dBA measured at a distance of 5 feet from the equipment. Alternatively, the project applicant may retain an acoustical consultant to review mechanical noise as building design is refined to demonstrate that the noise generated by the selected rooftop mechanical equipment does not exceed 55 dBA at the property line. This acoustical analysis would be reviewed and approved by the City of Palo Alto (City) prior to issuance of any building permits. Applicant City of Palo Alto  Prior to issuance of building permits.  Noise generated by rooftop mechanical equipment shall not exceed requirements when measured.  Acoustical consultant shall demonstrate that rooftop mechanical equipment does not exceed requirements.  Review and approval of the acoustical analysis by the City. TRANSPORTATION AND TRAFFIC Mitigation Measure TRAF-1: Prior to issuance of demolition, grading, or building permits for the proposed project, the project developer shall prepare a Construction Traffic Management Plan that shall be subject to approval by the City of Palo Alto’s (City’s) Transportation Division. The goal of the Construction Traffic Management Plan will be to minimize traffic impacts to public streets and maintain a high level of safety for all roadway users. The plan will include the number and size of trucks per day, expected arrival/departure times, truck circulation patterns, location of truck staging areas, employee parking, and the proposed use of traffic control/partial street closures on public streets. The Construction Traffic Management Plan shall provide for attainment of the following performance standards, and the City’s Transportation Division staff shall conduct periodic monitoring during construction to ensure that these standards are met throughout project construction: Applicant City of Palo Alto Transportation Division  Prior to issuance of demolition, grading or building permits.  Control measures implemented throughout construction.  Construction Traffic Management Plan submitted to the City.  Plan shall include number and size of trucks per day, expected arrival/departure times, circulation patterns, location of truck staging areas, proposed use of traffic control/partial street closures on public streets, and demonstrate how Attachment I Mitigation Monitoring Program 1050 Page Mill Road Project MMP 8548 October 2015 1 Mitigation Measure Implementation Responsibility Monitoring Responsibility Timing Performance Evaluation Criteria  Delivery trucks do not idle/stage within the public right-of- way.  All delivery trucks shall use Page Mill Road to access the site.  Any lane closures on southbound Page Mill Road are limited to a single lane during off-peak hours (8:30 a.m. to 3:30 p.m.).  All construction employees shall park on site.  Roadways, sidewalks, crosswalks, and bicycle facilities shall be maintained clear of debris (such as rocks) that could otherwise impede travel and impact public safety. performance standards will be attained.  Periodic field inspections to verify compliance. Mitigation Measure TRAF-2: The project applicant shall construct the improvements necessary to reconfigure the back-to-back left-turn pockets on Page Mill Road at Hansen Way and Hanover Street so that the westbound left-turn pocket at Hanover Street has approximately 550 feet of storage space with the option to add a second left-turn lane in the future, and the eastbound left-turn pocket at the project driveway/Hansen Way has approximately 225 feet of storage space. This change can be accomplished by reducing lane widths and modifying the center median such that the left-turn pockets are next to each other for a portion of their length rather than back-to- back. This may require minor modification to the traffic signal equipment within the median island at both Hansen Way and Hanover Street. Applicant City of Palo Alto  Prior to _____  Improvements to the back-to-back left turn pockets on Page Mill Road at Hansen Way and Hanover Street shall be completed leaving the westbound Hanover Street turn pocket with approximately 550 feet of storage space and the Hansen Way turn pocket with approximately 225 feet of storage space. Mitigation Measure TRAF-3: The project applicant shall provide a fair share allocation of funds necessary for the City of Palo Alto (City) Applicant City of Palo Alto  Prior to ______  A fair share allocation Attachment I Mitigation Monitoring Program 1050 Page Mill Road Project MMP 8548 October 2015 1 Mitigation Measure Implementation Responsibility Monitoring Responsibility Timing Performance Evaluation Criteria to change the intersection phasing for the Page Mill Road and Hanover Street intersection to an to eight-phase signal operation that would allow pedestrians to use both crosswalks across Page Mill Road simultaneously. The intersection shall be reconfigured to provide separate left-turn lanes in each direction on Hanover Street. of funds shall be provided to the City to change the intersection phasing for Page Mill Road and Hanover Street intersection to an eight phase signal operation. ATTACHMENT J PROJECT PLANS (Hardcopies submitted to Councilmembers and Libraries only) These plans can be reviewed at the following link: https://www.cityofpaloalto.org/news/displaynews.asp?NewsID=2642&TargetID=319