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.03 CP-2010-03 City of Cupertino OFFICE OF COMMUNITY DEVELOPMENT CITY HALL 10300 TORRE AVENUE • CUPERTINO, CA 95014-3255 C U P E RT 1 N O (408) 777-3308 • FAX (408) 777-3333 • ulanning@cupertino.org PLANNING COMMISSION STAFF REPORT Agenda Item No. .�J Agenda Date: December 14, 2010 Application: CP-2010-03 (Request from City Council) Property Location: Cupertino Civic Center, located at 10300 Torre Ave, and Quinlan Community Center, located at 10185 N. Stelling Road SUMMARY This is a possible future City Project for the construction of solar carports within the Civic Center and Service Center parking lots and the installation of solar panels on the roofs of existing public buildings. This project also consists of transplanting/removal and replacement of up to 55 trees from the parking lot of the Civic Center. If the City Council decides to proceed with this project, then a formal review will be initiated based on the specifics of the Solar Power Purchase Agreement approved by the City Council. RECOMMENDATION Staff recommends that the Planning Commission provide input to Council concerning the potential future application of the City of Cupertino for: ■ Construction of solar carports in the parking lots of the Civic Center and Service Center; and ■ Installation of solar panels on the roofs of the library building at the Civic Center site; and ■ Removal of up to 55 trees associated with the construction of solar carports in the Civic Center. Planning Commission comments related to aesthetics and visual impacts of solar carports/panels are severely limited per State and Federal Law and will be sent to the Council as recommendations only and are not binding upon the Council. BACKGROUND � On February 2, 2010, Cupertino's Council authorized a Memorandum of Understanding for a Cooperative Purchase of Power with the County of Santa Clara, allowing Cupertino's participation in a Santa Clara County solicitation, a Request for Proposals for a Regional Renewable Power Purchase Agreement, issued March 29th, 2010. On November 16�, City Council reviewed the preliminary proposals and directed staff to bring the construction of solar carports, rooftop solar panels and tree removal at the Civic Center and Service Center parking lots to the Planning Conunission for comment. The Council also directed staff to work with the proposed project developer to maximize tree retention and minimize visual impacts. 3-1 CP-2010-03 Solar Carport Installation December 14, 2010 Page 2 Limited Review Scope The City is prohibited by State Law (CGC Section 65850.5) from subjecting solar projects to discretionary review provided that the projects meets all local, state and federal laws in regards to public health and safety. However, per Council direction, the Commission may make comments on minimizing the visual impact, although the recommendation is not binding upon the Council. The project layout presented in this staff report represents the system size required to generate adequate electric output while keeping the infrastructure cost down to maintain a financial structure feasible to the vendor as well as the City. Any additional changes and/or enhancements to the site and/or design of the solar carports could potentially increase the cost of the project and jeopardize the financial structure critical to make the Solar Power Purchase Agreement work for both parties. Attachment 1(City Council staff report - dated November 16, 2010) provides additional details on the Solar Power Purchase Agreement and the background of the project. DISCUSSION Civic Center Parking Lot The proposed project at the Civic Center consists of installing solar carports throughout the parking lots within the medians located east and south of the City Hall and the Library buildings. Attachment 2 shows a site plan indicating locations for carports. Solar Carports The standard solar carports proposed for this project are composed of light-gauge galvanized steel, constructed between eight and fourteen feet in height. The design is a T-shaped cantilever with a central post supporting the solar panel modules and aluminum rail module racking (Attachment 3 and Attachment 4). The cantilever design allows for the retention of all parking spaces. The basic module design and installation materials provided by the vendor closely miinic images provided in Attachment 5, including florescent lighting. Rooftop Solar Panels In accordance with the Council's direction, an option to install solar panels on the existing Library roof has been included to reduce the number of solar carports and tree removals while achieving the same output efficiency (see Attachment 6). The placement of,�the solar panels on top of the roof are intended to be located away from the plaza, and set back from the edge of the roof to the greatest extent possible to minimize pedestrian views from the other sides of the Library. In addition, the preferred clamp-based roof attachments for standing seam module installation would minimize permanent alterations (i.e. roof penetrations) to the Library roof. The roof panels would reduce the number of solar carports needed throughout the parking lot, including an array proposed to be located immediately north of the Community Hall building, further reducing the visual impacts from the courtyard plaza and tree removals. 3-2 CP-2010-03 Solar Carport Installation December 14, 2010 Page 3 Tree Removal/Replacement The project prioritizes preservation and enhancement of the existing tree grove along the easterly property line adjacent to the existing creek and retains the Redwood Grove to the south of the Library. The City's consulting arborist, David Babby, evaluated and tagged a1194 existing trees located within the Civic Center project area. The arborist's report (Attachment 7� anticipates that approximately 55 trees are required for removal for the proposed project without rooftop panels and approximately 41 trees may be removed (Attachment 8), if the project proposes installation of rooftop panels. The trees that may be removed if the future project advances consist of five tree species including: Brazilian Pepper, Flowering Pear, River Birch, Blackwood Acacia, and Chinese Pistache (see Table 1 below). The average trunk diameter of trees impacted by the revised site plan is six inches. Based on the health factor (physiological health, structural integrity, location, size, species), of the potentia155 trees proposed for removal between the two future project options previously referenced (with or without roof panels), five trees have been identified as "low suitability", 38 trees have been identified as "moderate suitability" and 12 trees have been identified as "high suitability" for preservation (see Table 1 below). It should be noted that even though none of the trees in question are considered "specimen trees", they are consider protected since they were part of an approved landscape plan pursuant to Section 14.18.035 of the Municipal Code. Table 1 Tag/ID# Quantity Tree Name � Overall Suitability for Condition Preservation 4, 5,15 3 Brazilian Pe er Poor Low 2 1 Flowerin Pear Poor Low 55 1 Blackwood Acacia Good Low 1, 3, 8-11,,16, 4 7 Brazil�.a� Pe 'ex �� , ..�n� ��a�r/Good _ � �Mc�derate - 6; 7, �2� 1�, �.3 � ��osveruig Pear ` � ' x�a�r' ��ood �I�id��a�� -� . �, � ? .. t a '` � .r ��:. : � x _ � �'� � -� '��'� � :17� ,�6-62 � ` � _� �" ' °� �k - 4� �4 15� .�: _ R�vPr B�h p�,. �, 4 :.�� c�d ��od�rate y ; The City's consulting arborist suggested that the trees deemed "moderate to high suitability for preservation' maybe considered for transplanting. If the project is authorized by the Council, staff will work with the City arborist to indentify appropriate tree transplanting locations within and outside of immediate the project area. Alternatively, the City may explore appropriate planting locations offsite, in accordance with the relocation strategy prescribed by the City arborist with respect to location, soil type and irrigation availability. The City may also explore additional tree replanting opportunities through its community-based Tree4Free program for the private residents, which provides free trees to residents who participate in the City's Green@Home energy audit and retrofit program. Fundamentally, the program seeks to expand our city's urban canopy to offer community-wide air quality, energy savings and carbon sequestration benefits. Beyond 3-3 CP-2010-03 Solar Carport Installation December 14, 2010 Page 4 the city's own actions, the project vendor also offers a tree replacement program as part of its service on an offsite location of their choice. Visual Impact Two site renderings were provided by the developer based on the alternative site plan (Attachment 5), including a future project with solar panels on top of the existing Library roof, for the north (Attachment 9) and south (Attachment 10) Civic Center parking lots, as the proposed project footprint will be greatest in these areas. Both images highlight the proposed location of carports in existing medians to centralize and minimize development impacts and tree removal requirements, all the while gaining maximum solar access. Service Center Parking Lot The proposed Service Center site footprint is considered to be less significant from that described for the Civic Center in that only a single row of solar carports are proposed and no trees are proposed for removal. Furthermore, the solar module designs and the carport material will be the same as the Civic Center project as described in previous sections of the staff report. See Attachment 11 for a larger site plan. NEXT STEPS The Council will consider the Planning Commission comments as part of their decision , on the SPPA on December 21, 2010. Prepared by: Erin Cooke, Environmental Affairs Coordinator Leslie Gross, Assistant Planner Reviewed by: Approved by: .� � ry ao arti Shrivastava City Planner Community Development Director ATTACHMENTS Attachment 1: November 16 City Council Meeting Staff Report ` Attachment 2: Original Future Project Photovoltaic Site Plan (Civic Center) - Proposed 11/16 Attachment 3: Example Flush Mount and Carport Elevations Attachment 4: Technical Specs for Proposed PV Inverters, PV modules, S-5 Clamp Attachment 5: Example Carport Architectural Features Attachment 6: Alternative Future Project Photovoltaic Site Plans (Civic Center) - Revised 12/3 Attachment 7: Arborist Report and Tree Restoration Plan Attachment 8: Arborist Report Revision Correspondence- Updated Site Plan Attachment 9: Photo renderings: North Civic Center Parking Lots Attachment 10: Photo renderings: South Civic Center Parking Lots Attachment 11: Original Future Project Photovoltaic Site Plan (Service Center) - Proposed 11/16 3-4 Attachment 1 OFFICE OF THE CITY MANAGER CITY HALL 10300 TORRE AVENUE • CUPERTINO, CA 95014-3255 � U�' E R�' I N�? TELEPHONE: (408) 777-3212 www.cupertino.org CITY COUNCIL STAFF REPORT Meeting: November 16, 2010 Subject Report on the status of the Solar Power Purchase Agreement (SPPA) project. Recommended Action Receive report and provide direction to staff. Description The SPPA will allow the city to purchase renewable energy generated among carport photovoltaic arrays at City Hall, Corporation Yard, and the Quinlan Community Center, which will be constructed and maintained by two unique vendors. A Solar Power Purchase Agreement (SPPA) is a financial arrangement in which a third-party developer owns, operates, and maintains the photovoltaic (PV) system and a host customer agrees to site the system on its roof or elsewhere on its property (i.e. carport structure) and purchase the system's electric output for a predetermined price and period. Power purchase agreements address many of the traditional barriers to adoption for organizations looking to install solar systems including high up-front capital costs, system performance risk and complex design and permitting processes. Challenges of Sitin� Renewables One of the major barriers for local governments to purchase renewable energy systems is the - high upfront costs involved. Although purchasing a renewable energy system outright is generally considered to be the most cost effective strategy in the long-term, the high up front capital costs are often prohibitive. An alternative method of financing was pursued in order to utilize renewable energy and thereby decrease energy costs. In the past five years, the financial sector and renewable energy providers have parinered to develop innovative third party ownership financing structures, such as Power Purchase Agreements, to take advantage of the ; tax incentives available to the private sector. However, historically these financing structures require significant legal, procurement, property management, and engineering expertise to execute leading to high transaction costs that have presented a barrier to local governments. The Opportunitv of Re�,ional A�Qre�ation In order to reduce the transaction costs associated with Power Purchase Agreements and to support the regional expansion of renewable energy generation, the members of the Joint Venture Silicon Valley-convened Climate Protection Task Force created a collaborative procurement process, lead by Santa Clara County. By leveraging the contractual resource 3-5 investment of the lead agency and creating a procurement pool, this approach enabled an affordable group purchase of renewable energy for all participating agencies. The Association of Bay Area Governments (ABAG) and the Department of Energy (DOE) later joined this effort, offering programmatic support and applying unique areas of subject matter expertise. This Regional Power Purchase Agreement (RPPA) is one model which provides an opportunity to reduce both the upfront capital barriers to direct ownership and the transaction costs associated with third party financing: to move our community and organization closer to siting solar and setting a leadership example throughout the Bay Area. Additionally, by creating a regional PPA rather than individual PPAs for each city, the costs of developing the agreement are reduced significantly for all parties involved. This method not only conserves funds, but also accelerates the financing process and deployment of renewable energy technologies, promotes energy and tax-dollar savings, and supports local economic development. Since the summer of 2008, the collaborative has researched solar power purchase agreement issuances, and developed RFQ and RFP documents. The overall objective of this effort has been multifaceted; to reduce transaction costs associated with development and negotiation of RPPA contracts, to obtain favorable pricing and terms through a large scale regional aggregate purchase, to rapidly deploy solar and other renewable technologies, and to enable participation in RPPA contracts for small governmental entities that would otherwise be unable to participate in RP�PA financing structures due to the size of project sites. Over 22 jurisdictions in Santa Clara and San Mateo County expressed an interest in "piggybacking" on the RPPA effort. On February 2, 2010 Cupertino's Council authorized a Memorandum of Understanding for Cooperative Purchasing of Power with the County of Santa Clara, allowing Cupertino's participation in a County solicitation, a Request for Proposals for a Regional Renewable Power Purchase Agreement (RFP# RRPPA-001-310) issued March 29 2010. The first Request for Proposals (RFP) issuance included nine participating public agencies, including the cities of Cupertino, Los Gatos, Milpitas, Morgan Hill, Mountain View, and Pacifica, along with the County of Santa Clara, the Valley Transit Authority, and the South Bayside Waste Management Authority. The initial RFP was to procure 14MW of renewable power through power purchase agreements. The Deparhnent of Energy, Optony (an independent solar consulting firm) and Joint Venture Silicon Valley assisted the County of Santa Clara in assembling an evaluation panel consisting of members of the collaborative. The panel reviewed bid proposals from nine vendors, several of which submitted proposals for more than one bid bundle (grouping of sites for procurement purposes). This process officially closed on �September 8, with the selection of qualified firms for five bundled project types: large (>650kW/site), medium (160kW — 650kW/site), small (<160kW/site), small rooftop installations (<220kW/site), and other systems (solar thermal PV, fuel cell, micro-wind turbine). Cupertino sites included in this RFP were all for solar canopy/carport parking installations at City Hall, Quinlan Community Center and the Corporation Yard. Prior to participating in the RFP, Cupertino worked with City staff, Siemens (through the previous Detailed Energy Audit), and Critigen to evaluate the solar potential of these sites. A summary of findings are as follows: 3-6 Facility Annual kWh Generated Average Annual kWh % Met by by PV System Used at Site S stem City Hall 475,005 524,650 91% Quinlan Community Center 140,564 495,595 28% Co oration Yard 450,503 143,595 314% Renewable Ene� Financing Options This pilot project considered several available financing structures to install renewable energy systems among participating Bay Area agencies including: owned, leased or Power Purchase Agreement. Each financing structure has advantages and disadvantages: 1. City-Owned - The City would own the solar power generation system. Advantages include eligibility for incentive funds and ownership of tradable emission credits. Disadvantages include significant up-front capital costs, annual maintenance expenses for approximately 20 years, and the replacement of inverters between years 10 and 13. Owned systems are generally considered appropriate for sites where security and access are restricted. 2. Lease-to-buv - Advantages include no up-front capital expenses, and long-term leases that allow amortization of costs with the potential for ownership. There is a growing market of lenders and brokers interested in leasing solar installations. 3. Solar Power Purchase A�reements (SPPA) - T'his option creates a long term agreement for the purchase of power generated from the solar installation. Typically SPPA's have 20 year terms with prices determined through negotiations. In the past several years, local governments throughout California have funded renewable energy projects through lease to purchase, and Solar Power Purchase Agreements (SPPA). These iypes of financing structures provide the opportunity to obtain solar power without the up-front capital investment as the power generation system is designed and installed by a third party provider and financed through a third party financier. The governmental entity benefits from capped or slowed growth in electricity rates, as the normal utility bill is paid to the financier through terms established in the SPPA. In California, at least ten jurisdictions have issued SPPA's in the past two years. These issuances include the California Department of General Services, City of Fresno, San Francisco Public Utilities Commission, County of Solana, County of San Diego, and County of Ventura, among others. Project staff reviewed all ten SPPA issuances to compare terms and conditions. �' The proposal currently being negotiated is working towards the creation of a SPPA. �� Project Steps and Status 1. Issue Request for Information - COMPLETE The purpose of the RFI was to test the assumptions and information gathered to date on different financing mechanisms and procurement approaches. T'he RFI required vendors to show their experience with financing mechanisms, the extent of that experience, possible terms that the County could expect, how the market would respond to bundled projects, whether additional 3-7 sites should be considered and whether collaborative procurement at scale would deliver significantly reduced power purchase prices. Nineteen vendors responded to the RFI. Most firms have experience with a variety of financing methods. Installed price per kwH power varies as a reflection of the cost of capital, the Federal tax incentive for private sector investment and state solar incentives, and economies of scale in supply and financing. The attached RFI Summary Graphs provide general information from the responses to the RFI. Preliminary observations provided by the County include: • Most respondents indicated that their firm had been in business between 2 and 5 years -The significance of this finding is that traditional municipal government procurement criteria require extensive years of experience. Doing so in the renewable energy market would preclude most firms from competition. • Most respondents are specialized in either solar ground-mount or rooftop systems. A few firms offer expertise in two or more technology areas, but they tended to be large vendors. • The majority of respondents indicated that the installed cost of power for systems in general was below $0.19 per kwH. Many firms in lower cost ranges were newer market entrants. • Most respondents indicated that economies of scale exist in collaborative procurement, and that these are quantifiable around 5% for bundled project packages of 10 MW, 15 % for packages of 20 MW, and 20% for packages of 50 MW. These discounts are incorporated to be compared to the cost per kwH of PG&E rates over the 20 year term of power purchase agreements. 2. Citv Si�ns Memorandum of Understanding — COMPLETE In order to obtain commitments, County staff requested a Memorandum of Understanding (MOU) from all jurisdictions. The MOUs were due to the County on February 5, 2010. Staff held a mandatory meeting with City attorneys and staff on December 4 2009 to review PPA document terms, the RFP process and other issues. At this meeting 12 jurisdictions indicated that they wanted to participate in the first RFP issuance. These include; VTA, Morgan Hill, Mountain View, Cupertino, Sunnyvale, Los Gatos, Milpitas, County of San Mateo, Pacifica, Burlingame, Foster City and the Silicon Valley Waste Management Authority.. The MOU was finalized through the review of the Board of Supervisors on February 9th 3. Conduct Detailed Solar Site Survev - COMPLETE Per Section 2.C. of the aforementioned Memorandum of Understanding, to pariicipate in the bundled PPA project, cities were required to submit proposed real property sites that may accommodate renewable energy installations (individually, a"Site Survey", and collectively the "Site Surveys") prepared by a licensed engineer in a uniform, indust4cy standard format. To achieve this requirement, the city joined neighboring jurisdictions to work with CH2M Hill (now Critigen, LLC) to conduct solar site surveys by piggyback upon the competitively bid contract won by the company to analyze Santa. Clara County-owned assets. The survey was solar site analysis and electrical and shuctural analysis. The city completed this process with three sites and abutting parking lots, Community Hall, Quinlan Community Center and the Corporation Yard. Work concluded in February and the results of the study are included in Attachment C. 3-8 4. Issue Request for Proposal (RFP) for Power Purchase A�r�eements COMPLETE The Request for Proposals to procure an initial4MW of renewable power for county sites through power purchase agreements was issued on March 29 through BidSync. This Solicitation was managed in two steps: Step 1— Pre-Qualification due by 3PM on May 7 2010 and Step 2— Final Selection for Renewable Power Generating (RPG) Systems Bundles due by 3PM on June 29, 2010. 5. Evaluate Vendor Proposals COMPLETE The proposals for seven qualified firms were reviewed between the RFP deadline by the project's leadership team which included the following members: • Siva Darbhamulla, Chief of Design Services, County of Santa Clara • Ben Foster, Vice President, Optony Caroline Judv, Assistant Director, Government Support Services, County of Alameda • Jerrv Lahr Power Program Manager, Association of Bay Area Governments • Kara Gross, Vice President, Joint Veniure: Silicon Valley Network • Rachel Massaro, Associate Director of Climate Initiatives, Joint Venture: Silicon Valley Network • Steve Mitra, County Counsel, County of Santa Clara • Lin Orte�a, Utilities Engineer/Program Manager, County of Santa Clara • Chris Schroeder, Purchasing Agent, City of Milpitas • Marv Tucker, Energy Program Manager, City of San Jose A detailed summary of the RFP evaluation criteria is provided on pages 27 — 29 in the RFP document, but focus primarily within four categories: firm and team qualifications, relevant project experience, technical expertise and proposed system cost. Using these factors, the Evaluation Committee determined the responsiveness and best value quality of the proposal. Using this criteria the following firms were selected for the following bundles: • Large — >650kW/site • Medium —160kW — 650kW/site • Small — <160kW/site • Small Rooftop — <220kW/site • Other - solar thermal PV, fuel cell, micro-wind turbine Relevant to Cupertino, the evaluation team selected Borrego Solar Systems, Inc. (www.borre�osolar.com) to contract with cities to site medium sized bundles and Ecoplexus (www.ecoplexus.com) to develop the City's small sites. t �� 6. Negotiate Final Contract Initiated: October 2010, Anticipated: November 2010 Over the course of the month of October, legal and environmental representatives from each participating agency have participated in a series of joint contract negotiations with SPPA vendors. The coordinating committee convened this process to save both staff time and leverage the collective bargaining power of representative public agencies. Sta.ff inet in advance of initiating the vendor negotiation to discuss each agency's key contracting requirements and establish a strategy to ensure all parties achieved mutually beneficial joint outcomes from the process. Vendor negotiations are scheduled to continue through November 10. 3-9 7. Project Commissionin� and Construction,Anticipated: December 2010 — December 2011 Staff propose the consulting firm, Optony, which has been assisting the County and partner agencies in the solar renewable energy procurement project to date, be retained throughout the design, engineering and construction phases of the project. In this role, Optony will ensure that the renewable energy system is (1) optimized through the review of system drawings and plans, is (2) constructed using the same components required through the contract, (3) meets industry standards for installation and production, and is (4) properly maintained to achieve all applicable warrantees. In partnership with staff, Optony will also work with Pacific Gas and Electric to develop an interconnection plan and verify that all California Solar Initiative (CS� milestones are being met with rebates and deposits transferred back to the Ciiy. Furthermore, supporting staff will work with the vendor to ensure that parking lot closures are minimized during the construction phase and that vendor strictly adheres to the arborist's tree mitigation plan and procedures. 8. Monitor and report on svstem_production ONGOING The RFP clearly states that the firm must also provide for real-time monitoring and verification of power generated at each site listed during commercial operation. To achieve this requirement, the SPPA builds in a series of activities including the installation and maintenance of a meter at the delivery point and a monitoring system for each generating facility. Meters and all metering activities are to be provided, installed, owned and maintained, programmed and operated at the vendor's expense and in compliance with of all applicable Transmission Provider Tariffs and the Buyer-PG&E Interconnection Agreement. The aforementioned monitoring system may be provided as a web-based tool or interface to view, collect and store data, in real time, including the energy delivered, greenhouse gas emissions reduced, AC efficiency, peak DC efficiency and total percent of energy used from the system. Roles and Responsibilities A summary of the PPA participants' roles and responsibilities are outlined below: 1. Cit�of Cupertino: Host Site Agencv (Site Owner) • Nominate and approve Renewable Power Generating (RPG) sites. • Review site-specific proposals, including technical description, qualifications, installation plans, and power prices. • Make final acceptance decision on proposed prices. • Agree to and make power payments per the terms of the PPA. • Execute Site Lease Agreement(s). • Execute Power Purchase Agreement(s). • Review and approve tasks conducted by 3 party relating to each Renewable Power Generation (RPG) System's due diligence, environmental, design and construction plans and implementation. • Facilitate and support the installation of the Renewable Power Generation System. 2. Countv of Santa. Clara: Lead A eg ncy • Prepare the RFP, Power Purchase Agreement and Lease Agreement templates. • Manage the RFP solicitation • Lead the RFP response review process and participate in proposal review panels. 3-10 • Assist Agencies with compilation and posting of site-specific information. • Provide program support and assistance. 3. Borrego Solar and Ecoplexus — 3rd Partv Renewable Ener�v Service Providers • Determine technical and economic feasibility of Renewable Power Generation System sites (host facilities) prior to PPA award for System. • Execute power purchase agreement substantially in the form of the PPA. • Execute lease agreement substantially in the form of a Lease. • Finance, engineer and construct the Renewable Power Generation System. • Comply with all applicable California Building Codes and regulations, as well as any and all Agency requirements. • Pay transaction costs as per the RFP and PPA. • Install system metering and interconnection to utility grid. • Own, maintain, operate and monitor the System. • Bill host site for energy produced. Sustainabilit�pact Installing solar will eliminate fossil fuel demands at the Civic Center, Corporation Yard and Quinlan Community Center to help the City to achieve environmental objectives, including the Solar Action Area Goals established in the Bay Area Climate Compact to increase by 30% the use of renewable sources for electrical energy by the end of 2013, from a 2008 baseline. This project will reduce the city's largest source of operational greenhouse gas emissions and air pollutants (facilities), providing the City a head start to implementing actions that mitigate the impacts of climate change in advance of the creation of its Climate Action P1an.Specific considerations pertaining to the environmental attributes of the system include the following: l. CEQA Staff engaged two independent consultants to assess the project proposal under CEQA. In both cases, the consultants confirmed that the solar carport system would be categorically exempt under section 15303. Section 15303(e) consists of construction and location of limited numbers of small new equipment or structures and specifically identifies carports within its provisions. This is consistent with the findings of the California Energy Commission report titled "Distributed Generation: CEQA Review and Permit Streamlining," which notes that under 15303 "certain types of DG may qualify if they have small footprints and the site's zoning allows power generation to occur there." 2. U�'ban Heat Island Effect An urban heat island (iJHn is a metropolitan area which is significantly warmer than its sunounding rural areas. Sources indicate that the main cause of the urban heat island is modification of the land surface by urban development which uses materials which effectively retain heat. To address this concern for the solar carport project, it should first be noted that there are two forms of solar energy. The first is solar thermal conversion, which uses sunlight to create heat and then electrical power (typical for solar hot water projects). The second is photovoltaic conversion, which uses sheets of special materials to create electricity from the sun. "Photo-" means "light," and "voltaic" means "producing electricity." Proposed for installation at the City of Cupertino are the second form of solar technology, solar photovoltaics, not solar 3-11 thermal, which can often be associated with "waste heat" resulting from the solar thermal conversion. Industry best practices document solar modules collecting solar radiation and being cooled by ambient air movement with equivalent or better than heat collection on concrete/asphalt. Moreover, existing underlying pavement and parked cars are similar in albedo (i.e. reflectivity) to a solar system and support structures that are light in color, further reducing concerns that urban heat island could result from this projec� Upon further research, staff found agencies with UHI subject matter expertise (i.e. EPA, Lawrence Berkeley National Laboratory) present solar carportlparking structures as an urban heat island mitigation measures, in that this infrastructure provides an ideal means to provide cover thereby reducing heat transfer between pavement and its surroundings. 3. Proposed Tree Mitigation and Replacement Plan To ensure photovoltaic modules may gain access to maximurn sunlight exposure, the vendor proposed the City replace approximately 55 trees with 58 trees in an alternative location. Also proposed for the site is the addition of shade and drought tolerant vegetative groundcover to mitigate aesthetic changes. In an arborist report commissioned by the City, 18 trees proposed for removal were deemed "low suitability", 30 were deemed "moderate suitability" and 12 were deemed "high suitability" for preservation. None of the trees are considered "protected trees' pursuant to Section 14.18.035 of the City Code. 39 trees would require increased pruning to ensure they do not grow above their current height. Lastly, in addition to the city's own actions, the vendor offers a tree replacement program as part of its service, thereby doubling those trees proposed for replacement among the city's sites. Fiscal Impact The price proposals for Renewable Power Generation System bundles are presented at a fixed price rate (cents per kWh) with an annual escalator (in percendyear) for each kWh delivered to and metered at the electrical interconnection point, both with and without environmental attributes (RECs). In pricing, firms were made aware that the agencies (i.e. Cupertino) own the environmental attributes (RECs) of the system installed, not the firm. As such, these bundles seek to deliver the best value with rates demonstrably lower than forecasted PG&E pricing over the 20-year lifecycle of the installed renewable power generation system. Renewable energy power generation presents two distinct fiscal benefits for Cupertino: potential revenue generation from the sale of generated power and expenditure savings resulting from the use of renewable energy sources. Estimated savings from the proposed installation of carports at the Civic Center and Corporation Yard are estimated to be $625,000 over�the 20 year term. Pricing estimates have not yet been provided for Quinlan Community Center. Furthermore, the value of the infrastructure investment on behalf of the vendor is estimated between $1.SM and $2M. To achieve these savings, vendors propose the transition to a Time-of-Use rate (depicted below) to more closely follow the production of solar systems, as these schedules peak in the daytime and summer. These (A6) rates enable over-production during peak times and allow for the 3-12 purchase of power during off-peak times at much lower rates. Through this structure, utility customers can get to a nearly $0 electricity bill with approximately a 70% energy offset. �'i�rr� +�f �� a�� N �� ; � _ � �,��`� � �� ; ��-.� _ .. ' �; � � `��" �,,�, :2` ��.„� , � - '�� "�` � �.�F��p".�,��r�'�"=. � �iis� � � . 8 �n u : � �yy �� ...Ya �.%+m"'� w�.�� '��Y�' CL! � �� .. � l � � ��3 � � V .. � �'°4e 4 .�; �'v�'�� . �-�� '+....' .�K > .. 6 � � : . ". � � � � 2 , W _-,. $4 .... , . � . _ . , Nyy��r• Y� R a. n�` � � � � � � � � - r - _ ,i: a � �� _ � , 2 3� 5 a? Fa � tp , a ,? t� ta t5� s� �7 �B ►9 i4 �r �� 23� �a ►�b�► 4! ��t �ay �umtr�er ��rn �May — t�►�t€�be�r� Savings represented above are reflective of a pricing model built upon certain assumptions that may be subject to change based on Council and staff project-based priorities or requests. Consideration of the following variables is underway, and will be fully accounted for in the subsequent staff report: 1. Aesthetic Features or Additional Design Attributes Cost: TBD Though more detailed financial information will be provided in the next staff report for Council's review, savings presented in this report were established by the vendor as a base system price. More specifically, equipment and installation materials evaluated by the vendor in its financial analysis are similar in nature to the image provided below and include, but are not limited to the following features open framing with module racking, inverters, rain gutters, and undercanopy lighting. It should be noted that changes to this equipment to accommodate design features or aesthetic attributes will change the vendor pricing, and ultimately the projected utility savings for the City. Staff are working to evaluate suite enhanced features available for the project, and the costs attributed to these features, to present to Council for its consideration. . 3-13 2. Project Commissioning Consultant: Maximum Cost: $18,000 To date, the public agencies involved in this collaborative solar procurement effort have been heavily supported by independent solar consultant, Optony, as these agencies are both new to the technology and financing mechanism. To advance the project through the commissioning phase, participating agencies were provided a proposal for Optony to provide the following hands-on services: project inspection, project coordination, technology and installation inspections, specification compliance, and final project certification. These services will be offered at the discounted rate of $6,000 per site (vs. $11,000), due to the size of the project and number of participants. 3. Ongoin P� runin� Cost: TBD Staff are currently evaluating whether or not additional staff time will be required to achieve the pruning goals of the PPA vendor. Proposed currently for the Civic Center is to maintain, at current height, the blackwood acacias on the eastern edge of the parking lot and the flowering pear on the western edge/sidewalk adjacent to the parking lot. T'his additional pruning cost is not part of the Power Purchase Agreement, and would, thereby, be the responsibility of the City. 4. Replantin� Cost: TBD In addition to ongoing pruning costs, staff and potential vendors are working to evaluate the cost for replanting native and shade tolerant trees and ground cover where current trees are proposed for replacement. Note that replacement is only suggested for foliage that will shade the proposed solar photovoltaics (see Attachment D: Arborist Report and Tree Restoration Plan). As a means to reduce this cost, staff are also evaluating opportunities to apply rebates available from the Santa Clara Valley Water District for replacement of non-native water intensive plants. These costs could be included in the Power Purchase Agreement, which would increase the vendor rate and reduce cost savings for the City, or the City could independently finance the work. Power Purchase A�reement Contract Terms The approach pursued to negotiate the Solar Power Purchase Agreement is "master agreement", shared jointly among all participating parties within the County, with addenda for each site including a site license (possibly separate clone agreements for each site). This approach supports agencies to not only achieve economies of scale among typically high legal and contracting costs, which could ultimately drive up the PPA pricing, but also gain access to more favorable terms and conditions not commonly offered by vendors for sites of this size and scale (i.e. system performance cap, as described in further detail below). The following section outlines the major terms of the proposed Solar Power Purchase Agreement. 1. Term and Buyout • 20 year contract from "Commercial Operations Date" • Buyout available starting at year 6, and every year thereafter • Buyout is "Fair Market Value" based on independent appraisal • End-of-term extension for 5 year periods, if agreed • If terminated, all equipment will be removed and site restored to original condition 2. Billin�& Pavments 3-14 • Monthly billing based on calculation of electricity generated times fixed rate (based on final contract) • Annual escalation of fixed rate by 3-4% (based on final contract) • Payments due monthly via electronic funds transfer 3. Renewable Energv Credits • City will select to own the RECs or not at the inception of the PPA • Owning the RECs will cost an additional $0.01 to $0.02lkWh 4. Earlv Termination • Available from year 1 • Payment schedule included with prohibitive costs through year 6 • After year 6, based on FMV plus removal costs • PPA provider must remove all equipment and restore facility to original condition 5. Performance • System will perform on an annual basis to the forecasted kWh output, adjusted for weather and Force Majeure • If the system under performs below 85%, PPA provider will reimburse City for lost savings • If the system over performs above 110%, City not required to purchase, but may if beneficial � Under-performance below 50% over full year is a default 6. Svstem Design & Construction • System designs reviewed by Optony for best practices and appropriate size • All equipment must meet or exceed RFP specifications • All construction conforms to City requirements and permitting processes • Construction plan will be approved in advance to minimize site disruption • CEQA and environmental concerns will be addressed in advance 7. Warranties • Equipment warranty throughout the entire lifetime of the PPA • Any failures will be promptly fixed by PPA provider • Remaining warranties will be transferred if City purchases system 8. Insurance • Fully insured during construction • General liability and all other standarc�'coverage during 20-year term by PPA provider • City must indemnify PPA provider if City's employees or facilities cause damage 9. Force Majeure • Weather, earthquakes, flood, accidents and other typical events included • Utility interruption or curtailment included • Equipment failure or system underperformance not included 3-15 Additional Considerations and Concerns 1. Parkin� Lot Closure The installation of carport structures and required electrical wiring and conduiting will require portions of the parking lot to close during construction, so as to maintain a safe and efficient worksite. To minimize disruptions for civic center visitors during construction, the vendor has proposed a phased approach to target installations for unique sections of the parking lot. The construction initiation date is to be negotiated by the city and the vendor, and will strategically target the time at which the civic center parking lot usage is lowest, likely in the early summer when school is not in session. Furthermore, during this time, staff will work to evaluate and � designate alternative parking locations for library patrons. , 2. Parkin�pace Loss The proposed designs will not eliminate any currently available parking spaces, as this has, and will continue to be, a staff priority. Value Proposition All parties involved in the Solar Power Purchase Agreement seek to, and will most likely, gain unique benefits through this collaboration. Furthermore, community members and employees, not currently involved in this service offering may also derive value, if the partner agencies elect to expand the opportunity beyond public facilities and parking lots. Outlined below are the potential gains for these stakeholder groups. 1. All Santa Clara County Solar Power Purchase AQreernent Project Participants This Regional Power Purchase Agreement (RPPA) is one model which provides an opporlunity for all participating agencies to reduce both the upfront capital barriers to direct ownership and the transaction costs associated with third party financing. Additionally, by creating a regional PPA rather than individual PPAs for each city, the costs of developing the agreement are reduced significantly for all parties involved. In fact, pricing proposed through this collaboration are estimated at 10-14% lower due to a group purchase. This method not only conserves funds, but also accelerates the financing process and deployment of renewable energy technologies, ' promotes energy and tax-dollar savings, and supports local economic development. 2. City of Cupertino Beyond the benefits of a collaborative approach, this proposal to install carport structures will offer two new opportunities for the City: (1) utility price stability and (2) electric power � reliability during times when backup power is needed. Moreover, the conservative estimated savings from this generation source are $625,000. Approximately $30,000 of these savings could be prioritized for reinvestment in publac works-led energy efficiency, water conservation or alternative transportation projects that further reduce the greenhouse gas emissions associated with city operations. This cost-saving renewable energy generating system is estimated to be approximately $2M for direct purchase, not including annual O&M costs 3. Cupertino Communitv Members — Residents & Businesses The City is just beginning to explore the myriad of opportunities to leverage and expand this project to residential and commercial enterprises across our community. Potential programs that have been demonstrated around the country include: "Friends and Family" program from the 3-16 vendors, bulk negotiation on behalf of consumer groups (i.e. employees, nonprofits, schools, neighborhoods), collaboration with local bank/credit union to finance solar projects, education and outreach on City solar initiatives, Ciiy-funded rebates to encourage deployment, City- subsidized feasibilities studies for businesses, and others. Proposals to advance this work are forthcoming. Recommended Action Receive report and provide direction to staff. If Council should direct staff to proceed, staff will take the final enabling actions to advance the project scope: l. Project Due Dili�ence Pronosed November 16�' • Complete arborist report for two sites with tree considerations (Civic Center and Quinlan Community Center) • Complete joint contract negotiations to finalize Solar Power Purchase Agreement (contract) with vendors • Return for Council approval of the Solar Power Purchase Agreement 2. Design Review Committee Proposed December 2 nd • Complete Community Development Department Pre-Application Form and submit associated fees • Develop and submit Design Review Committee staff report required to obtain (1) CEQA determination (2) architectural and site approval and (3) tree removal permits • Notice the public and host Design Review Committee Public Hearing 3. CEQA Compliance Proposed December 17�' • Mail Categorical Exemption Notice to County of Santa Clara • Design Review Committee and County's appeaUcomment period ends • Submit building permit and associated fees • Staff engaged two independent consultants to assess the project proposal under CEQA. In both cases, the consultants confirmed that the solar carport system would be categorically exempt under section 15303. Section 15303(e) consists of construction and location of limited numbers of small new equipment or structures and specifically identifies carports within its provisions. This is consistent with the findings of the California Energy Commission report titled "Distributed Generation: CEQA Review and Permit Streamlining," which notes that under 15303 "certain types of DG may qualify if they have small footprints and the site's zoning allows power generat�nn to occur there." Submitted by: Approved for submission: Rick Kitson David W. Knapp Public and Environmental Affairs Director City Manager 3-17 Erin Cooke Environmental Affairs Coordinator Attachments: Attachment A: Proposed Cupertino Photovoltaic Site Profiles Attachment B: Arborist Report and Tree Restoration Plan �- 3-18 r:� B C � E F G H J , 2 3 4 "�.- '•�Eq'�'- ,."'"-;� : � - .��- - _ _ � �� ? � A . . ._ - �;- , � � � r- � 4 ` — � � r. ' � a � , ;. �_ -�' � L a � � " ,� � :- �'., _ > , - f �r + i, l i�j '� - � } f � ' , _ ' �, +�..t!,.'�j f�:: h Lf �� '� � � � � � '" a .� _.� ` � _ � - f. � • � f �p� �. �bi' � :L � +r � .. � _�_ � { 4 :;�� ` p � . �... q t l ��4:�4� �� - ET , .- : ¢ '� � - _ . +;� � � _ t r � � .��. �'�= 4 _ ; � ��!.� � �`,�� - _. - - � �r � - =- ;, - � � � � �' .. " ' �+�c- Y � � =.* . - �- - 3 � , i � �, �'"`' t � r ` ° -_- `.' � �. � �%h ..'�: i' r- . .� . iQ � ' � � ,� y�,- • . . � '' "�,;_ � . � � - .��, : � � �'VMf'� f. �� "�.� � � � � � �_� `� - - - - -. 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P' � y �:.. . , . � . � � - ..�� ' _ � f� �� '� �- � � . - . ��` e " �` r -�''' � � .�� - r.... _ ,_�.,�:: `_ , � +�-.,. � �'' � ' � � ��:�;,- � , , �. � � 3� - �� r - ...1 --�-1 � .� " i -�",.':[.� , �.. � 1 � _ . _ fi -- � �.� , „ _ � , : ��. �� ;�- a " t' �� . • „.�; .. -`� , .: f .. �� - � - -� ` , � �- i " � ... . . . . _ '. K . �� _ .: � �x _ .. � ��..�J __. 5 7 `_ j . � � � �-- - � �s3 , _ � .� t'� � '� ... �., - �� :�� ; �� rt+� . ...� � y � . Ey �. _-.-- � � ' _ �, � ,.. .�; •t '�,;,� , ...�. 4 � .�r. �' � =� � — '� _, � �t � . '� -. � ��,;,, �� - � 3�. � �: } ,�, � ': = .: . �� ` � = . . �� - } � � � �:�� `� �;� � ��" ' ;a � �:_ . . �"�`�� . ._ .. �� . � � II y' :�,_.. �%�" .� ,�'�'��. �u x � z ,� . r�e , �: � �t� �� ` _ � � i�' �-� � - � �` sr .. . i 'i .. ` �.. } _ �' � �� Tr ',� ".-'� � ':;� ��_ � �� ¢ - c::_ ,s � .. �, ° s �.� �� ` ' � t ' �"i � ��" - �'�� ;--� � ` 5.`�� - � ,,,;; _ � t' � �T. �#'- �"'� � �- 9 �; i i,,�, : _ , ` � : _ :�. ' . � � -��, - � '� � �, �_ � r �.' . � � . , `� `-'�` �_, ; ik .v '�"� ::�,. _r � ';.� � _`°"�.'� � � .�� '�'� - '' ��. �; ' � 4�`R _ �- �� . f �� . COIJ�MUNITY HALL 434 YINGLI 230W TILTED ON CARPORTS @ 10° ORIENTED TO SOUTH 3-19 6 CITY HALL 434 YINGLI 230W TILTED ON CARPORTS @ 10° ORIENTED TO SOUTH � � = � � . s�a�hment 2 -- - . ��.. PROJECT DETAILS PROJECT ADDRESS �PPLICABLE CODES 8� STANDARDS 10300 TORRE AVENUE, 2007 CA ELECTRICAL CODE CUPERTINO, CA 2007 CA BUILDING CODE UL 1703 - SOLAR t,�ODULES UL 1741 - INVERTERS PROPERTY OWNER SANTA CLARA COUt�TY RrP CUPERTINO CITY HALL Y THlS PHOTOVOLTAIC INSTALLATION SHALL BE INSTALLED IN ACCORDANCE WITH THE , EDITIONS OF THE UNIFORM BUILDING CODE (UBC), THE NATIONAL ELECTRiCAL CODE I(NEC), THE CA BUILDING CODE (CABC), THE CA ELECTRICAL CODE (CAEC) AND ANY LOCAL BUILDING CODES CURRENTLY BEING ENFORCED BY THE AUTHORITY HAVING JURISDICTION (AHJ). PROJECT DETAiLS CI IY HALL -SYSTEM SIZE: 293.020 kW (DC STC) -f�ODULES: (1274) YINGLI YL230P-29b -INVERTER: TBD -RACKING: CARPORTS -IJIODULES MOUNTED ON CARPORTS @ 10° ORIENTED TO SOUTH � fJ�ODULES I�OUNTED ON CARPORTS @ 5° ORIENTED TO WEST I COMMUNITl' HALL SYSTEIJ� SIZE: 99.82 kW (DC STC) -MODULES: (434) YINGLI YL230P-29b -INVERTER: TBD -RACKING: CARPORTS -MODULES I�IOUNTED ON CARPORTS @ 10° ORIENTED TO SOUTH CIIY HALL 658 YINGLI 230W TILTED ON CARPORTS @ 5° ORIENTED TO WEST CITY HALL 182 YINGLI 230W TILTED ON CARPORTS @ 10° ORIENTED TO SOUTH PV SITE F�LAN SCALE: 1/128" = 1' - 0" r REPRODUCTIDN, RELEASE OR � IJTILIZATION, IN 1NHOLE OR PART, WITHOUT PRIOR WRITTEN CONSENT 15 STRICTLY PROHIBITED. �� . �� V BORREGO SE��r� 2560 5TH ST. SUITE 216 BERICELEY, CA 94710 'f (B86) 89B-6Z13 F (BBB) 843-6776 WWW.BORREGOSIXAR.COM CA LICENSE: C-46 �814435, C•1G �872888 BORREGO S�LAR SYSTEMS INC. J � � m �� O � � Q � � � � 0 Q O � � � � Q � ~ � _ � z U � � � I-= �- � z U "' Z !— Q O � O � O � O � U � o W � ~ ° � � � O � � � U U � � Cn J F� � � � � w � � a � � � a al 0 o cn ; o 0 0 DRAY�N XSPACE REVIEWED T. YATES - E ' ��- � ' 39'- � p �� , ; � 9 -10 7/8" Re,� � �. . -- Attachment 3 ,��8�� m�� ND �IIW�II 6 A QMI IO�FII S1'!IDI NOI 871� mtM {IABR ,� �°`�.� �,� OOlelf 6 pICLY IMBI� �eu atr�c sr. anE �m a oiw� a amm n�ae pep �am iant �ap sa-nr� w�aw�un.�w � x � � � � e MATCH LINE: � ELECTRICAL WORK ABOVE SO �'� CARPORT WORK BELOW ' ! ,� � �__�_ _ — _ _— ! --- �. LAR MODULE �— ��---�� — _.-� � i �,�_' _� � �I a i � � _ ° �`(P • i -� i � 3 � �� I r � I BEAM � �.o � \ \ � � ,� COLUMN '- � � � i i o � � i � � � ---.-...^ __� �_- �_�_ _ � �_ �_.-- - � � - L- CARPORT ELEVATION � � SHEET NOTES: 1. CARPORT STRUCTURE BY NATIONAL CARPORT INDUSTRIES. SOLAR ►�nni ii �c cni no �.,_..�..,.._. _ ....� .....,...._,�..� .,...,..., ��_,".,_,�� ...�,�.....,,,..,..,....,�,,�,....... . .......................��.,,..., SHEET NOTES: 1. CARPORT STRUCTURE BY NATIONAL CARPORT INDUSTRIES. SOLAR MODULES, SOLAR MODULE RAIL, AND SOLAR MODULE CONNECTION TO �� CARPORT STRUCTURE BY ELECTRICAL SUBCONTRACTOR. 20' WIDE CARPORT OPTION SCALE: 1 /4"=1'-0" � �`�CUM=N?S ANC SETiiN�_\�puil_ICR\N�Y DOCUMENTS\OC-DESIGNW�RrC\S��CD\MIRAH4F PA�KING\'JRAWIN�3.DWG � � Z O E_- 4 � w � w H � O � � ¢ U w � o.. � � w PROJECT NUI�BER: ! � li Z O F= t V w = v� ; � � �'' �n ¢ �! � � ' V � e �; Q w � � � ��' ' � o- �i z � j �� NE VAIJD ONLY Y1NE11 PtIIRm I A C N D 2 4' Y 36' CP-1 SHOP DRAWINGS Attachment 4 .� . Satcon� Pvs-�s �zos v) PV lnverters � PowerGate Plus 75 k�tl PVS-75 (240 V) PVS-75 (480 V) _ tJnparafieled Performance ;_� - - -�, - - - � With their advanced rystem •�- �"°" intelligence, next-generation Edge"" - -��_ MPPTtechnology, and industrial-grade � engineering, PowerGate� Plus inverters -. �, ; maximize system uptime and power � �' `�'' ' Y production, even in cloudy conditions. ,.' = �� =�� $ �„ Power Efficiency =_ t � � — _ .� '� Power Level Output Power' Efficiency' �� c, s� �z 10% 7.5 kW 92.6% . 20% 15 kW 95.6% " 30%. 22.5 kW 96.3% " - ' ' • � • ' . 50% 37.5 k 96.7% input Parameters 75% 56Z5 k1N 96.6% M aximum Array Input Vol 60 VD • 100% 75 kW 963% f nput Voltage Range ( M P PT; Full Power) 3 V DC • ' stsV minimum � zaov model Maximum Input Current 2 4 8 AD • Edge MPPT Output Parameters Output Voltage Range (L-L) 183-229 VAC 208 VAC • Provides rapid and accurate control that boosts PV plant ki{owatt yield 211-264VAC 240 VAC • Provides a wide range of operation 422-528 VAC 480 VA • across all photovoltaic cell technologies Nominal Output Voltage 208 VAC • Printed Circuit Board Durability 240 VAC • Wide thermal operating range: -40° C 480 VAC • (-40� F) to 85° C(185° F) Output Frequency Ra 59_3-60.5 Hz • Conformal coated to withstand extreme AC Voltage Range (Standard) - 12%/+7 D% • humidity and air-pollution levels Nominal Output F r eq u e ncy 60 Hz • N umber of Phases 3 • Proven Reliability Maximum Output Current per Phase 208A 208 VAC • Rugged and reliable, PowerGate Plus PV inverters are engineered from the� 181A � 240VAC • ground up to meet the demands of 91 A 480 VAC • large-scale installations. ` CEC-Weighted Efficiency 96% • Low Maintenance Maximum Continuous Output Power 75 kW (75 kVf� • Modularcomponenumakeserviceefficient TareLosses 65.36W 208VAC • 71.84 W 240 V AC • Safety 69.5 W 480 VA • UBC Seismic Zone 4 compliant P Factor at Full Load >0.9 • Built-in DC and AC disconnect switches Harmonic Distortion <3%THD s Integrated DC two-pole disconnect • Standard o Optional switch isolates the inverter (with the exception of the GFDI circuit) from the photovoltaic power system to allow inspection and maintenance _ Built-in isolation transformer Protective covers over exposed power 3 2 2 connections .� . Satconn ; _� .�', i D• . ' ' i Temperature ' � Operating AmbientTemperature Range (Full -20° C to +50° C ,� POwer) s = �"= Storage Temperature Range -30° C to +70° C • •`__ "- - .�r.� �� r Cooling Forced Air • Noise Noise Level < 65 dB (A) • Combiner OUtput OPtIORS Number of Inputs and Fuse Rating 5(100ADC) o PowerGate Plus 75 kW 6(80ADC) o Inv erter Cabinet UUCSA 208 VAC Output Enciosure Rating NEMA 3R s 240 VAC Output Enclosure Finish RAL-7032 ' 480 VAC Output (14Gauge, Powder-Coated G90 Steel) Cab Dimensions (Height x Width x Dep 80" x 57" x 30.84" Stream{ined Qes i�lt CabinetWeight 2,1501bs. With all components encased in Transformer a single, space-saving enclosure, Integrated Internal Transformer • PowerGate Plus PV inverters are easy Lo Voltage' 2 0°Po • to install, operate, and maintain. Testing and Certification Single Cabinet with Small Footprint UL1741, CSA 107.1-01, IEEE 1547, IEEE C6Z.41.2, IEEE C62.45, IEEE • C37.90.1, IEEE C37.90.2 Convenient access to all components UBC Zone 4 Seismic Rating . Large in-floor cable glands make ac- cess to DC and AC cables easy Warranty Five Yea rs e Rugged Construction Extended Warranty (up to 10, 15, or 20 years) o Engineered for outdoor environments Extended Service Agreement o Output Transformer Intellig�nt Monitoring Provides galvanic isolation Satcon PV�ew" Pius o Matches the output voltage of the PV Satcon PV Zone` o inverter to the grid Third-Party Compatibility • �, • Standard ' The 2D% boost tap on the isolation transformer increases the AC voltage output range ff r o Optional applications where the solar array DC operating voltage is at or near the lo�ver end of the DC input range. This boost allows for continued inverter operation at lower DC voltage input levels. Note: Specifications are subject to change. G� .GiU Satcon T?chroiogy Corporation. All riohu r=served Satcon is z trademark of Satton T�thnnlo�y . Corporatiun. All other crddem;rN�, ar-_ the propem� of ih=ir respective owners. Satcon Corporete Satcon West Satcon Canada Satcon Greece Satcon Czech Repu6lic Satcon Shenzhen China Satcon Shanghai China 27 Drydock Avenue 2925 Bayview Drive 635 Harrington Court Athanasiou Diakou 2& Classic 7 Business Park Room 1112,11 /F, International Room 2306, 231F, New 6oston, MA 0221 D Fremont, CA 94538 Burlington, ON VN 3P3 IJ�arathonas Ave Jankovcova 1 D37/49 Chamber of Commerce, HongQiao Center Building, P: +7.617.897.2400 P: +7.510.2263600 Canada Gerakas 15344 170 DO Praha 7 No. 768 FuHua San Road, IJo.83 LouGuanShan Road, F: +1.617.897.24D1 F: +1.510.2263601 P: +1.905.639.4692 Greece Czech Republic FuTian District, Shznzhen, P.R.C. Changning District, E: sales@satcon.com E: sales��satcon.com F: +1.905.639.0961 P:+30.21D.6654424 P:+420.255.729.670 518048 Shanghai, P.R.C. E: salesC�satcon.com F:+3�.270.6�}442 Q F:+420.255.729.611 P:+86.755.6168.2588 P:+86.139.78112818 E: sales@satMn.c��+ E: sales@satcon.com F:+86.755.6168.2599 E: sales@sauon.com E: sales@satcon.com ' '� ' if S�tCOCI'" Pvs-�oa (2osv� PV Enverters � RowerGate R[us 100 kW Pvs-� aa (z�o v� Pvs-� ao (48o v) , __ —__ Pvs-� aa (6aa v) AE-100 (40QV} I •�'' �,"°" Peak Efficiency 96.7°ro _ Power EfficiencY i �_ < �`,k: ... -- ��, . Power Level Output Power' Efficiency' J �� '�"' �`. ' , a � '•�`� 10�Yo 10 kW 93.2% — �' y "' `---- —' �" ' —� [s e �. 20% 20 klN 96.1 % =---�'+� �`a�-. 30% 30 kW 96.5°✓a "—'"' � ;� �$;�.' 50% 50 kW 96.7% - ` � � 75% 75 kW 96.5°/a 100°h 100 kW 96.1% �� .,-' t� � 315V minimum � 480V model • Input Parameters Unparalle{ed Perforrnance MaximumArraylnputVoltage 600VDC • With their advanced system 90o VDC • intelligence, ne�-generation Edge"" PV Array Configuration Positive Ground o 0 MPPTtechnology, and industrial-grade Negative Ground � o engineering, PowerGate° Plus inverters Floating • maximize system uptime and power Input Voltage Range (MPPT; Full Power) 315-600 VDC • production, even in cloudy conditions. 420-850 VDC • Edge MPPT Maximum Input Current 331 ADC • Provides rapid and accurate control 248 ADC • that boosts PV plant kilowatt yield Output Parameters Provides a wide range of operation Output Voltage Range (L-L) 183-229 VAC 208 VAC • across all photovoltaic cell technologies 211-264 VAC 240 VAC • 352-440 VAC 400 VAC • Printed Circuit Board Durability 422-528 VAC 480 VAC • Wide thermal operating renge: -40° C 528-660 VAC 600 VAC • (-40° F) to 85° C(185° F) Nominal Output Voltage 208 VAC • Conformal coated to withstand ex- 240 VAC • treme humidity and air-pollution leveis 400 VAC • Proven Reliabifity asovAC • 600 VAC • Rugged and reliable, Po�NerGate Plus Output Fre�uency Range 593-60.5 Hz • PV inverters are engineered from the 493-50.5 Hz � ground up to meet the demands of ACVoltage Range {Standard) -12%/+10% • • large-scale installations. Nominal Output Frequency 60 Hz • Low Maintenance 50 Hz � Number of Phases 3 • • Modularcomponentsmakeservicee�iicient Maximum Output Current per Phase 278 A 208 VAC • 241 A 240 VAC • Safety 145 A 400 VAC � UBC Seismic Zone 4 compliant 121 A 480 VAC • Built-in DC and AC disconnect switches 96 A 600 VAC • integrated DC two-pole disconnect Peak Efficiency 96.7°k switch isolates the inverter (with the CEC-Weighted Efficiency 96% • • exception ofthe GFDI circuit) from the Maximum Continuous Output Power 100k1N(100 kVA) • • photovoltaic power system to allow " inspection and maintenance 3-24 '• - - ' 11 SdtCQCI�` � . .. . � . i' ' f t �' ■ r. � . �� •* . ��„� ` Tare Losses 623 W 208 VAC • w 61.6 W 240 VAC • -� 64.5 W 400 VAC � - - - " 66.1 W 480 VAC • `- 68.0 W 600 VAC • ' � Power Factor at Full Load >0.99 • s �: � -i� Harmonic Distortion <3%THD � � Built-in isolation transformer Temperature Protective covers over exposed power Operating AmbientTempe2ture Range (Full Power) -20° C to +50° C • . connections StorageTemperatureRange -30�Cto+70°C • a Cooling Forced Air • s Noise QUt�3[1t 0�3tlOf15 Noise Level <65 dB(A) • . Combiner PowerGate Plus 100 kM� Numberof Inputs and Fuse Rating 5(110AD� o UVCSA 208VACOutput Qfuses/inputforfloating) 6(10�ADQ o 24a VAC Output 5(1?SADQ o Inverter Cabinet 480 VAC Output Endosure Rating NEMA 3R . 600 VAC Output IP54 • CE 400 VAC Output Enclosure Finish RAL-7032 • • (14-Gauge, Powder-Coated G90 Steel) Cabinet Dimensions (Height x Width x Depth) 80" x 57" x 30.84" (203.2 cm x 144.78 cm x 7833 cm) Streamfirted Design Cabinet Weight 2,3501bs. 1,066 kg With all components encased in Transformer ' a singie, space-saving enclosure, Integrated InternalTransformer • s PowerGate Pius PV inverters are easy LowTapVoltage' 20% . . to install, operate, and maintain. Testing and Certification UL7 741, CSA 107.1-01, IEEE 1547, IEEE C62.41.2, IEEE C62.45, IEEE Singie Cabinet with Small Footprint C37.90.1, IEEE C37.90_2 � Convenient access to all components CE Certification (EN 50178, EN 61000-6-2, EN 61000-6-4) • Large in-floor cable glands make ac- UBC Zone 4 Seismic Rating . . cess to DC and AC cabies easy 1Narranty FiveYears . s Rugged Construction Extended Warranty (up to 10, 15, or 20 years) o 0 Engineered for outdoor environments Extended Service Agreement o 0 Intelligent Monitoring f , OutputTransformer Satcon PV�e�v" Plus k o 0 Provides galvanic isolation Satcon PV Zone` o 0 Third-Party Compatibility e . Matches the output voltage of the PV inverter to the grid e Standard ' The 20% boost tap on the isolation transformer increases the AC voltage output range for 0 0 tionai applications where the solar array DC operating voltage is at or near the lower end ofthe DC input PG100210.7 P range. This boost allows for continued inverter operation at lower DC voltage input levels. 5?ot o Sai: or. T�chnal�y Corper3iion. Ali r;ahs Note: Specifications are subject to change. r?;2n�zd. Sat_on is a trad=marV. �r Sau_or: To-,hnob�y Corporati�n. AI! ot�er t2d_mark are the property of ih=ir re; P2CJvE JWr�?!S Satcon Corporate Satcon West Satcon Canada Satcon Greece Satcon Czech Republic Satcon Shenzhen China Satcon Shanghai China 27 Drydock Avenue 2925 Bayview Drive 835 Harrington Court kthanasiou Diakou 2& Classic 7 Business Park Room 1112,11 /F, International Room 2308, 23/F, New Boston, MA 02210 Fremont, CA 94538 Burlington, ON UN 3P3 IJiarathonas Ave Jankovcova 1037/49 Chamber of Commerce, HongQiao Center Building, P: +1.617.897.2400 P: +1.510,2263800 Canada Gerakas 15344 170 OOPraha 7 No. 168 FuHua San Road, IJo. 83 LouGuanShan Road, F: +7.617.897.2401 F: +1.510.2263801 P: +1.905.639.4692 Greece Czech Republic FuTian District, Shenzhen, P.R.C. Changning District, E: sales@satcon.com E sales�ysatcon.com F: +1.9D5.639.0961 P:+3D.210.6654424 P:+420.255.729.670 518D48 Shanghai, P.R.C. E: sales��satcon.com F:+30.210.6 4425 F:+42D.255.729.617 P:+66.755.6168.2586 P:-86.139.1811.2818 E: salesCsat�n.cdn� E: sales@satcon.com F:=86.755.6168.25°9 E: salesCsatcon.com E: sales@satcon.com i �� atcan� PVS-250 (MVT) , Pvs-zso (zosv� PV Inverters � PQwerGate PEus 250 kW PVS-250 (240 V) FVS-250 (480 V) � PVS-250 (600 V) .;,:v�: i �.....,.,�.. � ;,. � ,�� : _�:, . FVS-250 (265 V) CE � �� i ..w�: PVS-250 (4Q0 \/) CE _ _ i -_ � �, Unparal{e�ed Pe yormance ____ _ � � i V�fith their advanced s stem k ( inteliigence, next-generation Edge'"" _ _ _ _ MPPT technology, and industrial-grade = — - = i __° - ---= — = — — + _ ____ — engineering, PowerGate° Plus inverters __ _ _ _ � _ _ _—_ maximize system uptime and power _ s-;,�_=...._ — = — � =__ _ °—_ production, even in cloudy conditions. - _ �<: ,. - 3:;. ,- � .. _ . .� � . _ z.�� •�....,, �.,, �. �.�_:.: Power Efficiency + � PowerLevel OutputPower' Efficiency' , �, , � � _ � � � � F �� 10% 25 kW 93.78% Input Parameters 20% 50 kW 96.08% Maximum Array input Voltage 600 VDC • 30% 75 kW 96.52% 9 V . 50% 125 k1N 96.65% PV Array Configuration Positive Ground o 0 75% 187.5kW 96.51°k NegativeGround • o 100% 250 kW 96.D2% Fl oatin g • ' 3i sV minimum Z aeoV model Input Voltage Range (MPPT; Full Power) 320-600 VDC 208 VAC • Edge MPPT 240 VAC • Provides rapid and accurate control 480 VAC • that boosts PV piant kilo yi 600 VAC • Provides a wide range of operation 333-600 VDC 208 VAC' • across all photovoltaic cell technologies 420-850 VDC 265 VAC' • Printed Circuit Board Durability 400 VAC • Maximum Inpui Current 814 A 208 VAC • Wide thermal operating range: -40° C (-40° F) Lo 85° C(185° F) 240 VAC • Conformal coated to withstand extreme 480 VAC • humidity and air-pollution levels 60D VAC • ,,, L' 774 A 208 VAC' • 4 620 A 265 VAC' • 400 VAC • • Standard o Optional 3-26 't ' 1 Satcon� ��:�� '� � ��"'"'� � . ,. - . - • � - � .: � . iiil�Yi � � ;�� 3� � � Output Parameters .,i'i... �t �� . r___. �' Output Voitage Range (L-L) 183-229 VAC 208 VAC' • � Y jY} LL . .ti . :� $ � S � ::?� * R � r* • 208 VAC • � ` ' 211-264 VAC 240 VAC • �� ^� �'?� � �� 233-292 VAC 265 VAC • _ � � - ':... �- 352-440 VAC 400 VAC • +'; 422-528 VAC 480 VAC • 528-660 VAC 600 VAC • Proven Reliability NominalOutputVoltage �osvac . Rugged and reliable, PowerGate Plus 240 VAC . PV inverters are engineered from the 265 VAC . ground up to meet the demands of 400 VAC . large-scale installations. 480 VAC a Low Maintenance 600 VAC . ModularcomponentsmakeserviceefFident OutputFrequencies 593-60.5Hz • Dual cooling fans 49.3-50.5 Hz • AC Voltage Range (Standard) -12%/+10% s s Safety Nominal Output Frequency 60 Hz e UBC Seismic Zone 4 compliant 50 Hz • Built-in DC and AC disconnect switches Number of Phases 3 . s Integrated DC two-pole disconnect Maximum Output Current per Phase 694A 208 VAC' � switch isolates the inverter (with the 694A 208 VAC t exception of the GFDI circuit) from the 601A 240 VAC • photovoltaic power system to allow inspection and maintenance 545A 265 VAC' • Built-in isolationtransformer � 361A 400VAC • Protective covers over exposed power 301 A 480 VAC • connections 241 A 600VAC • CEC-Weighted Efficiency 96°k 208 VAC • 96% 240 V AC • � 96% 480 VAC • 97% 208 VAC' • 96% 400 VAC • 97% 265 VAC' s c _- _. 9Ci- 600 VAC • MaximumContinuousOutputPower 250kW(250kVA) e • Tare Losses 119.7 W 480 VAC • 100.01N 240 VAC • 105.1 W 208 VAC • 120.0 W 400 VAC • 140.0 W 265 VAC • 126.5 W 600 VAC • Power Factor at Full Load >0.99 . e Harmonic Distortion < 3%THD . e • Standard ' 208 VAC and 265 VHC output options designed to be used with external transformer; 2 The 20% o Optional boost tap on the isolation transformer increases the AC voltage output range for applications where the solar array DC operating voltage is at or near the Iower end of the DC input range. This boost allo�for �q�nued inverter operation at lower DC voltage input levels.; Note: Specifications are subj toE4i nge. � .� . � SatC01�� 5 ,�.��: �� .1• � t '�I r [. 3� 'v w;s ; '�� Temperature . .. �.. ` , r Operating AmbientTemperature Range (Full Power) -20� C to +50° C . o � r "i ^� Storage Temperature Range -30° C to +70° C e • �. 1 .•� ; _ .- _,. Cooling Forced Air s • _ '.;, � ��` Noise _ � w�� ` � N oise Level <65 d6(A) . e y , -. � �. ' Combiner Number of Inputs and Fuse Rating 15 (1U� ADQ o � Qutput Options (Zfuses/inputforfloating) 1 ADC) o PowerGate Plus 250 kW 1 o UUCSA 208 VAC Output 7(160ADQ o inverter Cabinet . 240 VAC Output Enclosure Rating NEA4A 3R • 480 VAC Output IP54 s 600 VAC Output Enciosure Finish RAL-7032 • • CE 265 VAC Output (14-Gauge, Powder-Coated G90 Steelj 400 VAC Output Stainless Steel Finish o 0 Inverter Cabinet Dimensions 89.2"x 115.1"x 38.Z" (Height x Width x Depth) (226.6 cm x 292.4 cm x 97.0 cm) Inverter Cabinet Weight 4,500/2,930 Ibs. (2,041/1,329 kg) (with Transformer/without Transformer) Transformer Integrated intemai Transformer 208 VAC • 240 VAC • 400 VAC • 480 VAC s 600 VA • LowTap Vo . . � Standard ' 208 VAC and 265 VAC output options designed to be used with external transformer; z The 2090 o Optional boost tap on the isolation transformer increases the AC voltage output range for applications where the solar array DC operating voltage is at or near the lower end of the DC input range. This boost allows for continued inverter operation at lower DC voltage input levels.; Note: 5pecifications are subject to change. � ' 3-28 �� SatCOCI" �aw r ��`�+�� . �- � � � . iiiiiii�� 3�.-' � % ��'�' �;_ . �' Tes[ing and Certification : t r� , "�` ''` t':�� UL1741, CSA 107.1-01, IEEE 1547, IEEE C62.41.2, IEEE C62.45, IEEE """! '�. � ' �� r ? ��a .. E ,,',;� C37.90.1, IEEE C37.90.2 � 1 � ,,� r � �y� CE Certification (EN 50178, EN-61000-6-2, EN 61000-6-4) . _ _ '�� - - - � � ,, UBC Zone 4 Seismic Rating . . - '�. i - ;� �� Warranty � _-- _ �� . : y r,. Five Years . s Extended Warranry (up to 10, 15, or 20 years� o 0 Extended Service Agreement o 0 Streamfined Design Uptime Guarantee . o 0 With ail components encased in Intelligent Monitoring a single, space-saving enclosure, PowerGate Plus PV inverters are easy Satcon PV View Plus o 0 to install, operate, and maintain. Satcon PV Zone• o 0 Single Cabinet with Small Footp�inf Third-Party Compatibility e • No clearance required for sides and back • Standard ' 208 VAC and 265 VAC output options designed to be used with externai transformer, =The 20% o Optional boost tap on the isolation transformer increases the AC voltage output range for applications where Convenient access to all components the solar array DC operating voltage is at or near the lower end of the DC input range. This boost allows for continued inverter operation at lower DC voltage input levels.; Note: Specifications are Large in-floor cable glands make ac- subject to change. cess to DC and AC cables easy R Construction Engineered for outdoor environments OutputTransformer Provides galvanic isolation Matches the output voltage of the PV inverter to the grid �-� f� ` Ga �Ot 0 Satcon TE�hnclog�� Corpoiation..411 riaht� 252rvEd. `,3tC�n IS a trad=_ma�k oi ;atcon Technolooy Corporation. All other rrademarls ar- the property of ;h�ir resp=cti��e own=r5. Satcon Corporate Satcon West Satmn Canada Satcon Greece Satcon Czech Republic Satcon Shenzhen China Satcon Shanghai China 27 Drydock Avenue 2925 Bayview Drive 835 Harrington Court Athanasiou Diakou 2& Classic 7 Business Park Room 1712,11 /F, International Room 2308, 23/r, New Boston, MA D2210 Fremont, CA 94538 Burlinoton, ON VN 3P3 Marethonas Ave Jankovcova 1037/49 Chamber of Commerce, HongQiao Center Building, P: +1.617.897.240D P: +1.51 D1263800 Canada Gerakas 15344 170 00 Praha 7 IJo. 168 FuHua San Foad, IJo. 83 LouGuanShan Road, F: +1.61Z.897.2401 F: +1.S10.L6.3801 • P: +1.905.639.4692 Greece Czech Republic FuTian Distrid, Shenzhen, P.R.G Changning District, E: sales�satcon.com E: sales��satcon.com F: +1.905.639.0961 P:+30.21D.6654424 P:=420.255.724.610 518048 Shanghai,P.R.C. E: sales@satcon.com F:+30.210.(� 44� F:+420.255.729.611 P:+86755.6168.2588 P:+86.139.1811?618 E: salesCsahbn.c6rrN E: sales��satcon.com F:+86.755.6166.2599 E: sales�satcon.com E: sales��satcon.com Th i n k GAIA For Life and the Earth Bifacial Photovoltaic Module ��:�� `� � �h�tQVaf�aie P��6c€�� Power per Square �oot up to 19.1 Watts � ,:� ; �� , • • =� -� ; - �;,�. �Y. � . .\\ , �_\ ".�r = k+ }g ,.- - DIO _ Olde er Y. � _-" FE�gh EifcieRCy f-�p�Eication Passif�iiitEes HfT`� Double bifacial solar panels are the World leaders in sunlight •Architectural, Awnings, Balconies, Bus Shelters, BIPV conversion efficiency, helping customers to enjoy the maximum pow- • Deck & Porch Coverings, Canopies, Carports, Facades er per square foot from available space. • Fences, Siding, Treliises, Tracking Systems Power Guarc�ntee Proprfetary Techna[agy SANYO guarantees customers will receive 100% of the panel's rated HIT bifacial solar celis are hybrids of single crystalline silicon sur- power (or more) at the time of purchase, enabling owners to generate rounded by ultra-thin amorphous silicon layers, available solely from more kWh per rated watt. SANYO. �ifacial EfFect H�gh Temperature Fe�rformance �The back face of HIT Double solar panels generates electriciry fror,i As temperatures rise, HIT Double solar panels produce more electric- ambient light reflected off surrounding surFaces, and combines with ity than conventional solar panels at the same temperature, for gooc� power from the front face of the panel. Dependant upon system de- performance in high temperature sites. sign and site albedo, this results in up to 30% higher power genera- tion (more kWh) per square foot. C,2uC�E�ty FroduCts SANYO silicon wafers are made in California USA, and assembled in Mexico at SANYO's certified factory. ISO 9001 (qualiry), 14001 (envi- Insiallation with High Reflecfion Verticai Installafion fOflRl8flt� 18001 (safety). Dired sunlight �A ^y I � to fiont side ^ \ \ � ` waEuaf�le Features �;J HIT Solar Cells Direct 2J sunlight HIT Double aneis o erate silentl and have no movin arts. A Glass to front side ' Reflected P P Y 9 P �i ,� � 5�"°9nt double glass structure aliows some sunlight to penetrate portions of to rear side � Reflected the panel, creating brilliant light and shadows for aesthetic and ar- �tor�e�ahside �' chitectural applications. HIT Double paneis are perfect for areas with i performance-based incentives and tradable energy credits. 3-30 � t ! ' � SpecMcaflons Including Backside Irtadtafion To (Vlazimize Poveer EIECtCICQI SpECIfICQtlOnS ConfibuNon in ISC as a Percent o( STC 1. Efevate panels above a surface as much as possible. Model: HIP-195DA3 src' s� io% is� 20� ss� ao°� 2. Place panels over light-colored surfaces. 3. Do not ailow support rails to shade the panel's back face. Rated Powar (Pmax)' 195 W 204 W 213 W 222 W 231 \N 240 W 249 W Maximum Power Voltage (Vpm) 55.8 V 55.8 V 55.8 V 55.9 V 56.0 V 56.0 V 56.1 V Dependence on Temperature a.50 Meximum Power Current (Ipm) 3.5 A 3.66 A 3.82 A 3.97 A 4.13 A 429 A 4.45 A Open Circuil Voltage (Voc) 68.7 V 68.9 V 69.0 V 69.1 V 69.2 V 69.2 V. 69.5 V a.OD --- -- 75°c ShoA Circuft Current (Isc) 3.73 A 3.92 A 4.1 D A 4.29 A 4.48 A 4.66 A 4.85 A 3.50 - -- -.- -- __ __ _. so°C _ Maz. System Vottage (Vsys) 600 V - - - _ _ _ Q 3 � � Series Fuse Raling 15 A - - - - - - v _ . . _ _ _ _ _ _ _ _ _ _ _ _ _ C 250 --..-. _._ . ..____.__. .... _ . __.____ _ .' . __- O�C.. _ Temperature Coefficient (Pmaz) -0.34 % I °C - - - - _ _ y � Tem aretura Coefficient � P Noc) -0.192 V / °C - - - - - - V 20D - Tempereture Coefficient (Isc) 1.70 mA / °C - - - - - _ iso ..____-- ------ _------.....__... Warranted Tolerance +�0/-0% - - - - - _ Cell Efficiency �g,3o/ _ _ _ _ _ _ i.00 -_._ .. __ ___. _ . __ ._ _._ _... ._ . . _ _ .. Module Efficienc� 16.1 % 16.8% 17.6% 18.3% 19.0% 19.8'� 20.5 % o.so - . --- .. ..- --- __ _ . . . _. _ _ _-- - ._ . . ._ .. _ _ _ . _._ Power per Square Foot 14.9 W 15.6 W 16.3 W 17.0 W 17.7 \N 18.4 W 19.1 W o.00 o io zo 3o ao so so �a eo t�+echanical Specificafions Voftage (V) Intemal Bypass Diodes 4 Bypass Diodes DppeFlC�enCE 011 I�fO�IO�CE Module Area '13.06 Ft� (1.21 mZ) 4.so Module Weight 50.7 Lbs. (23 kg) 4.00 __ ___._-_'..._____-__.._'__ . _ _....___.__- _ '_. . 7000 Wlm' Module Dimensions LxWxH 53.2 x 35.35 x 2.36 in. (1351 x 898 x 60 mm) � 3.50 . . . _� .. _.. . .. .. ___. . . . Cable Lengths 39.4 in. each (1000 mm) . � BDO W/m' �. Cable Size / Connedor Type No. 12 AWG ! MC3TM Connectors Q 3 00 --- ---- -- - .._- _ _ _ . . ___ ___ __ .... Static Load 50 PSF (2400 Pa) C __ _ _ _, � 250 "-6DOW/m°._ ... . . . .. Pallet Dimensions LzWzH 54.3 x 36 x 7D.'I in. (1379 x 912 x 1781 mm) � V 200 . _ .. .. .. _ _ _. .. _.. . .. . . . . _ . _ . ..... . .. . .. .. _ . Full Pallet Quantity $ Weight 20 pcs. l'10'14 Lbs. (460 kg) 400 W/m' Quantlty per 2D'/40'/53' Container 2D0 pcs., 420 pcs., 540 pcs. 1.50 - _--_ __-_...__ Safety Ratings R Limited Warranfy �' zoowim� -- --- - __ _ _ - - - Fire Safety Clessification Class A 0.50 . - - -.- _ _ _ . Hail Safety Impact Velocity 1" hailsione (25 mm) al 52 mph (23 Ms) o.00 NOCT('C) 113=F�qr�.C� o to ?A 3o a0 5D bo 70 80 Voltage (V) Safety & Rating Certifications UL 1703, cUL, CEC Limited Warranties 2 Years Workmanship / 20 Years Power Output INfPORTANT: The rated power of HIT� Double bifacial solar panels �Standard Test Conditions: Cell Tempereture 25°C, Air Mass 1.5 i000 w�m' is measured under Standard Test Conditions (STC). 5TC does not ' Equivalent module efficiency inciudin9 power f�om u,e bacic face. account for power produced from the back face of panels. There- Note; Specifications and information above may change without notice. fO�E H(T Double paneis wili produce more power than their STC rating, up to 30% more, depending upon the system design and Dimensiorts Unli: II'iCh25 �rpf p) 3rountl 11 place) site albedo. Account for the additional power when sizing, select- �_ '5.4 (89S; ?�� 160i a.z �,�e�� ing system components and wiring. y i -' y �.� i�a9) .,.,> ��,_l 1; _. '- neoative 1-I pesitn�e 1+� Q CAUTION! Read the f- �' � �. Junctipn 3oz '� operating insfrucfions carefully � � �� .`.� ; before use of these products � (.�:�.�,J �.�.J,� ` = . % �� l �� J ' Connector ;MCT"" Plugl e.y (7r � �.r�,-.��. e.aii5.3i I �� I � Section A-/�' � O � ; l l: 7�1� ; � ; ��J � � � J , , , Note: A module must be �� ins[alled on a support SANYO Energy (U.S.A.) Corp. �`� � �� ._J > _ J� 1,� �� structure raii using four A Division of SANYO North America Corporation N ; ( J�� : symmetrical mounting °� �� - �` J �� . points within RangeA 550 S. Winchester Blvd., Suite 510 I E I San Jose, CA 95128, U.S.A, ; `�J,_��_J;, ; I �=RangeA wwv✓.sanyo.com/solar ' '" `""` ""' "'~" � solar�a sec.sanyo.com ' , .i5.4 (3?21 . � ..10.4 ;3S2i . . . FRONT SIDE BRCK �-� � � SANYO Energy (U.S.A.1 Corp. All Rights Reserved. 4/1/2010 YL235P-29b �" �i 4 � � YL230P-28b YL225P-23b �� L�� ' � � � �� YL220E-29b , � / � , S YL215P-29b • - e Official Sponsor of the 2010 FIFA World CupT"^ ___. _ _ . _ _ _ �..__ .._� �{ �+ ' �',_.�_'" � E � � � I � Yingli Green Energy (NYSE:YGE) is one of the world's largest ' fully vertically integrated PV manufacturers. With over 1 GW of modules installed giobally, we are a leading solar energy company built upon proven product reliability and sustainable performance. Founded in 1998, Yingli Green Energy opened offices in New York and San Francisco in 2009. We are the first renewable energy company and the first Chinese company to sponsor the FIFA Worid CupT"" FE�FC��P�1�4t�CE - Industry leading in-house manufacturing of polysilicon, ingots, wafers, cells and modules ensures tight control of our material and production quality. - High performance, multicrystalline solar celis deliver a module series efficiency of up to 14.4�, reducing installation costs and maximizing the kWh output per unit area. - Power tolerance of +/-3� minimizes PV system mismatch losses. (�E1�:LE�Y � ��LEA6lLf��' - Robust, corrosion resistant aluminum frame independently tested ' i to withstand wind and snow lopds of up to 50 psf and 1 13 psf, respectively, ensuring a stable mechanical life. k - Manufacturing facility certified to 1509001 Quality Management t System standards. '- - Module packaging optimized to protect product during transportation and minimize on-site waste. Il�p[��A�TEES - Extensive 5-year limited product warranty and a 25-year limited power warranty. - Limited power warrant�`, = 90% of the minimal rated power output for 10 years, 80% of the minimal rated power output for 25 years�' ' In compliance with our Warranty Terms and Conditions. c��,��.� fC�,T[aN5 � GERTIFfCATES 150 9001:2008, ISO 14001:2004, BS OHSAS 18001:2007, SA8000, IEC61215, �•.;s,� IEC61730, UL1703, Ciass C Fre Rating, IS09001, CEC, FSEC �'.�.'= .., /' / /...- 3�,M.WV,eaa _.. . C i � U$ _ � o�.n.a iEC eix�s ' � t °�' �* --. E : b.�,,,m..a c? CERT �� e: t p LISTEU �TMMM1n1.M� .Pn`eO,clmp.�en '�„_,.' '�°'°" I��- �� . � �� l?HOTOVOLTAIC MDIXILFJ � �,'L° _ �4D0 ' onooca :��,� .��44: i-s �_ _.. YENGlISOLAR.COI�`► '�ir;g�: A.!�,eri�as 3_32 � _.�: � �� El.ECTR[CA! PARAMETERS I-V CURVES �� .�, current e i i I � I i - . . • . . . . [A1 8 � � � ; � i ; i Module type YL235P•29b ', YL23DP-29b YL225P-29b : YL220P•29b YL275P•29b �� I fi i i ! � i Power output, PmPa I W) 235.0 230.0 225.0 22D.0 215A 5 � I � � � I I Power output tolerances [ %] +/_ 3 � +/_ 3 +!- 3 +/_ 3 +/_ 3 < � j I � � .� �i .. __. .. 3 ' ! i `. � Moduleefficiency [%� 14A '14.1 13.6 '13.5 13.2 Z ;' ' i � i � Voltage at Pmon, VmPP IV� Z9.S 29.5 29.5 29.0 29A o � I � j � � IV] Current at Pm Im (A] 7.97 7.80 7.63 7.59 7.4'I o s io is 2o xs so as ao Open circuit voltage, Vo� [V] 37.0 37.D 36.5 36.5 36.0 -1000W/rr� - 6�DW/mz - 200W/m� --� � - - BODW/m� - 4DOW/mz Short circuit current, I.� [A] 8.54 8.40 8.28 8.15 8.10 Max. system volfage [V) 600 V DC Max. series fuse rating [AJ 15 38.9B in (990 mm) 1.97 in (50 mm) 37.25 in (946 mm) fHERA�iAL PARANIETERS � NOCT (Nominal OpereNng Cell Temperature) I ° C) 46 + 2 • Temperature coeffictent of the short eircult wrrent,lu [% /°C] i + p.06 +/_ 0.01 E __ E Temperature coefficient of the open circuit voltage, Va �% /°C] - 0:37 +l-0.02 � Tem erature coefficlent of the MPP ower, PmPO Ground hoies �� E E E P p [%/°C� -0.45+1-D.O5 _. 2-e0236 in � � o 0 0 Tem erature coefficfent of the MPP volta e, Vmpv (6 mm) � N o � � P 9 I% / ° C1 -0.49+/-0.02 � 'P c c c Temperature coefficient of the MPP current, Im� [% /°C] -0.05 +6 O.D1 �� r rn rn 6 � o c v v � � MounSnB slots MECHA[�iiCAL PARAMETERS . a-o.a�sxozssm (Bx6.5 mm) Dimens{ons (length / width I thickness [in]) 64.96138.98 / 1.97 �� Wef ht 165 � E Drainage holes r� � 9 � � 43.7 . o B-o0.158 in (4 mm) A q q � ,� Junction box (protecYion degree / number of diodes) IP65 / 6 c i � rn \ � Junction box dimenstons (length I width / thickness [in]) 6.D / 4.8 / 1.0 ` Positive USE-2 cable ( length [in] / AWG) 47.24 / 12 _ _ _ _ _ hlegative USE•2 cable ( length [in] 1 AWG) 47241 '12 ��0.47 in (12 mm) ` Plug connector (type 1 protectton degree) MC4 / IP65 �" , \�� . i � Front cover (mateNal I thickness [mm]) Tempered glass / 3.2 i� �� i � Cell type (quantity 1 technology / length x width [inJ) 60 / mc-Si, Multicrystalline / 6.14 x 6.14 i E \�� Frame (material / color) Robust anodized aluminum alloy / Silver � o i � � � I C � I � I I � 1 OPERATING CONDIfEONS ', ; � � OperaUng temperature [°C) ! - 40 to + 85 �� Max. w(nd load [psf] Sp �� 1.26 in (32 mm) �� i Max, snow load [psf] ' �� 113 SECTION A-A � L' `� -----�� P A C K A G I N G � Warning: Read the instruction manual Number of modules per pallet 20 in its entirety before handling, installing, , and operating rngii modules. Number of pallets per 53' container 36 Box size (length I width / depth [fn]) 67 / 45 / 46 Our Porfners Box wefght [Ibs] gg2 Yingli Green Energy Americas, Inc. : gy � us-info@yinglisolar.com 1 Tel: +1 (888) 686-8820 l(Ef�iG 1 :OLAF� YINGLlSOlAR.COAIt ` '� � .� - � Yngli Green Energy Holding Co. LTd. YGE2355eries_EN_2010015-v04 3- 3 3 Official Sponsor of the 2010 Fl�A Worid CupTM Attachment 5 :� : � �-�; , �... �: �. '� � � �� .�;,y�_: � .�� ,� �o�R�co �� }F �: .- , _: .. . -, �_ . � � � . - . . .. " � a. � . . :.< � . .. _, .. _�. _. . . . . : . ' ^-- " ,- .. . ..; - �: ..:. . . .. : , - ._. , _ , . ..� _ . . .... �" `�' . .. .. � .. -., .. ' , . �: : '. ` . . . . . , . . . � ' .. 1 '� "° � t '�P ` r _; . : ' -. , ... , ,.. . � , � < :�., .. .. y a.. i ^'r�e'�`rr � - ..:+s.�� - :J s . 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'� .� �.. =�R . ,..., ,�° r � : ,s ..r � a �` � ��b._� _ _ 5 _ _ . _ . � 5 COIJ�MUNITY HALL 434 YINGLI 230W TILTED ON CARPORTS @ 10° ORIENTED TO SOUTH � l _ _� �. � �;� , ,. '_a - — _� . __ � �'� e Y •._ :� �F��E� � ` " � �'�'ii � ..,��^�. � {� �e' � ^ �� _ _ �""' `� :�� _ ��. .�.� '_ = ' , � � , r �;- � � � 4. .. F i' �� .�.,, - � � a� : � - _ � � � � .--•. " . °� �� 3.� �,� . � 't �" ut= :.x•� ,� , �: C j � � t{ j; � ' W � }�� . � �� .�� '�i 6 � CITY HALL 308 YINGLI 230W TILTED ON CARPORTS @ 10° ORIENTED TO SOUTH � � � ; � r.. ��,� ; � _ f _ $ �i ' � � �° u � � 7 � 9 ��.chment 6 PROJECT DETAELS PROJECT ADDRESS APPLICABLE CODES & STANDARDS 10300 TORRE AVENUE, 2001 CA ELECTRlCAL CODE CUPERTINO, CA 2007 CA BUILDING CODE � UL 1703 - SOLAR MODULES I � UL 1741 - INVERTERS PROPERTY OWNER SANTA CLARA COUNTY RFP CUPERTINO CfTY HALL � THIS PHOTOVOLTAIC INSTALLATION SHALL BE INSTALLED IN ACCORDANCE WITH THE EDITIONS OF THE UNIFORhJ� BUILDING CODE (UBC). THE hATIONAL ELECTRICAL CODE (NEC), THE CA BUILDING CODE (CABC), THE CA ELECTRICAL CODE (CAEC) AND ANY LOCAL BUILDING CODES CURRENTLY BEING ENFORCED BY THE AUTHORITY HAVING JURISDICTION (AF{J). vi v i��LVV JVWI V I J I GIYIJ Il�la. REPRODUCTION, RELEASE OR UTILIZATION, IN WHOLE OR PAFT, WfTHOUT PRIOR WRITTEN CONSE�T IS S�ICTLY PROHIBfTED. ,� �� BORREG� SC��tR 2s60 sTF. sr. suil'E 21s BERKELEY, CA 94710 T {BBB) 898-6273 f (BBB) B43-b776 NMNJ. B�RRcGOSaAR.COM CA LICENSE: G46 #814435, C-t ��872888 BORREGO SOLAR SYSTEIvIS INC. J 0 ,� m O � p Q � U � U 0 Q O J � � � Q � ~ � _ � z U � � � E - � � w U z � Q O � a � � � > o � 1 ! O � �e� � � O � � � � U J Q- � U � � V ! PROJECT DETAfLS CITY HALL -SYSTEI�I SIZE: 302.68 kW (DC STC) -MODULES; (1316) YINGLI YL230P-29b -INVERTER: TBD -RACKING: CARPORTS -MODULES h�OUNTED ON CARPORTS @ 10° ORIEtv'TED TO SOUTH MODULES MOUNTED ON CARPORTS @ 5° ORIENTED TO WEST MODULES IJ�OUNTED ON ROOF @ 15° ORIENTED TO WEST COMMUNITY HALL -SYSTEM SIZE: 99.82 kW (DC STC) -MODULES; (434) YINGLI YL230P-29b -INVERTER: T8D -RACKING: CARPORTS ,-fJ�ODULES MOUNTED ON CARPORTS @ 10° ORIENTED TO SOUTH CITI' HALL 672 YINGLI 230W TILTED ON CARPORTS @ 5° ORIENTED TO WEST CITY HALL 42 YINGLI 230W TILTED ON CARPORTS @ 10° ORIENTED TO SOUTH PV SITE PLAN SCALE: 11128" = 1' - 0" J � J J J J W Q Q Q Q 0 L!� Cn Cn C1� W � � � � a. a a a � O O O O � �' � �' � N d � O. � W Q 0 DRAWN XSPACE REV{EWED T. YATES 0 3-41 A B C C E F G IH J 1 2 3 4 CITY HALL 432 SANY0195W TILTED ON STANDING SEAM ROOF @ 15° ORIENTED TO WEST �� .,; 2 4: .�� ` � � ` r Q - �A � « � : ;� - � �t r' j s�`- �; ¢: � C � ! �fi' -, R;. _ �t ; ! : `,� ��',�' � -. , 4 "�'�- � . � � � � E�` '- � s. .. � #K �� t � _ � � J. � +? r„�� g :. � O1. , i 1__ f�� N .� �.'. � ` � . � �c'� �,� � ° � ` ` — ,.. y t ` �` �, � e . � �� ., ��` _ �i'- � J : �i�F' � _�' � = �� , � c. �' �� },7'°. � _ � � , E � i• � - 1': ,�,,,� :_ � ��,"" ; ��-��• � �_ R ,1 � � � � ..� �_ s �- �: Q ' ..;i! = :��'(� � � . � �� Yy �rcG.� :. F -. _. ''�" . ;�� L �� _ �� R � '� ! . i�� `. �, 1 � 4 �♦ � , ��,,, ,.�., _ � _ '�� :' - :�� _ �. , _ . � �': �: . _ = � � s �� : . ., .. ��'" � �_ t � � : _ ,, � � = . ��; � ,r• �� ;' - � F . . _ ', i- � r' �'1� . �ci� . 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Y � r�. � ' � �� .� � y 4: • "'f` 4`3fi[�'i��.�A _ � = � - ,�. � 1 k € � � :: �� :� � t�:� _ � � ;� '� . � � - � , _ � ;� �� # - - � ,� � . : � ��. i � � , ; � �, , '_ ` � , � -- �� . �. _.� _ �: �. ; ,�. � � � � r � _- � �, � � -- — _ � �� . �� i ` �-: __ �� _ ` � � � - �, � _ i � � _.{� ��.�. 1� ' `'� .. .a� � ": !Kn ! . . � w- �'�� ` � �� : ''�° � ii ��ti � t � _.r.«a-: � �, � _ J . 3-42 8 9 10 PROJECT DETAILS PROJECT ADdRESS APPLICABLE CODES 8� STANDARDS 10300 TORRE AVENUE, 2D07 CA ELECTRICAL CODE CUPERTINO, CA 2007 CA BUILDING CODE UL 1703 - SOLAR MODULES UL 1741 - I�NERTERS PROPERTY OWttER SANTA CLARA COUNTY RFP CUPERTINO CITY HALL � THIS PHOTOVOLTAIC IhSTALLATION SHALL BE INSTALLED IN ACCORDANCE WITH THE EDITIONS OF THE UNIFORM BUILDING CODE (UBC), THE NATIONAL ELECTRICAL CODE (NEC), THE CA BUILDING CODE (CABC), THE CA ELECTRICAL CODE (CAEC) AND ANY LOCAL BUILDING CODES CURRENTLY BEING ENFORCED BY THE AUTHORITY HAVING JURISDICTION (AHJ). PROJECT DETAfLS CITY HALL -SYSTEM SIZE: 287.04 kW (DC STC) -IJ�ODULES: (1472) SANYO HIP-195DA3 -INVERTER: TBD -RACKING: CARPORTS -t�IODULES MOUNTED ON CARPORTS @ 10° ORIENTED TO SOUTH NVODULES MOUNTED ON CARPORTS @ 5° ORIENTED TO WEST MODULES MOUNTED ON ROOF @ 15° ORIENTED TO WEST COMf�IUNITY HALL -SYSTEM SIZE: 96.72 kW (DC STC} -MODULES: (496) SANYO HIP-195DA3 -INVERTER: TBD -RACKING: CARPORTS -f�IODULES MOUNTED ON CARPORTS @ 10° ORIENTED TO SOUTH C17Y HALL 592 SANY0195W TILTED ON GARPORTS @ 5° ORIENTED TO WEST CITY HALL 64 SANY0195W TILTED ON CARPORTS @ 10° ORIENTED TO SOUTH PV SITE PLAN SCALE: 1/128" = 1' - 0" THlS DOCUMENT IS THE PROPERTY OF BORREGO SOLAR SYSTEMS INC. REPRODUCTION, RELF�,SE OR UTILI7ATION, IN WHOLE OR PART WITHOUT PRIOR WRfTTEN CONSENT IS STRICTLY PROHIBfTED. � BORRE60 �Q�AR 2560 9Ti- ST. SUfTE 216 BERI�L'tY, CA 94710 T (BBBj 896-6273 f (868) 843-6776 WWVY. RE GOSOI.AR.COM CA LICENSE: C-46 #814435, G10 �T�68 BORREGO SOLAR SYSTEIJ�S INC. J 0 i1 W o � p Q n– � U � U � Q O J � � � Q � � � 2 � z � �,,, � — W ~ � U w U z � ¢ � � O � �— �U �' O O � Q 0 0 ! 1 /f O � �� e � �� U "� a- U � Q � / � V J .._I �„�_, J J J J W Q Q Q Q 0 UJ Cn Cn C!� W o 0 0 0 � � a � � N O O O O � � � � � � � d � w a 0 DRAWN XSPACE REVIEWED T. YATES i 1�RBOR RESOLIRCES Atta.chment 7 __ professional consulting arborists and tree care A TREE INVENTORY AND REVIEW OF THE PROPOSED CUPERTINO SOLAR CARPORT PROJECT SITES � CUPERTINO CIVIC CENTER QUINLAN COMMUNITY CENTER Submitted to: Erin M. Cooke Enviroiunental Affairs Coordinator City of Cupertino 103Q0 Torre Avenue Cupertino, CA 95014 Prepared by: �� David L. Babby t ` Registered Consult.ing Arborr'st #399 Board-Certified Mastea• Arbo��ist #T�VE-4001B November 1, 2010 ' p.o. box 25295, san mateo, california 94402 ■ email: arborresources@comcast.net phone: 650.654.335 I ■ fax: 650.240.0777 � licensed contractor #796763 3-43 David L. Babby, Registered Consulti��g Arborist No>>ember 1, 2010 TABLE OF CONTENTS SECTION TITLE PAGE 1.0 INTRODUCTION ..............................................................................1 2.0 TREE COUNT AND COMPOSITION ............................................... 2 2.1 Cupertino Civic Center ..................................................................... 2 2.2 Quinlan Community Center ............................................................ 3 3.0 SUITABILITY FOR TREE PRESERVATION ...................................... 4 4.0 POTENTIAL TREE-RELATED IMPACTS ........................................... 5 5.0 TREE REPLACEMENTS .................................................................... 6 6.0 TREE PROTECTION MEASURES .................................................... 7 EXHIBITS EXHIBIT TITLE A TREE INVENTORY TABLE - Cupertino Civic Center B TREE INVENTORY TABLE - Quinlan Community Center � �, C AERIAL MAPS (two) - Cupertino Civic Center D AERIAL MAP - Quinlan Community Center . E PHOTOGRAPHS - Cupertino Civic Center F PHOTOGRAPHS - Quinlan Community Center i 3-44 David L. Babby, Registered Consulting Arborist� November 1, 2010 1.0 INTRODUCTION � I have been retained by the City of Cupertino to evaluate trees in connection with a solar carport project beiug proposed at the following two sites in Cupertino: ■ Cupertino Civic Center, 10300 Tone Avenue. ■ Quinlan Community Center, 10185 N. Stelling Road. � Specific tasks performed for my review are as follows: ■ Identify each tree anticipated to potentially be impacted by the project. . ■ Estimate each tree's trunlc diameter at 54 inches above grade or where appropriate to best represent trunk size; diameters are rounded to the nearest inch. ■ Estimate each tree's height and canopy spread. .■ Ascertain each tree's health and structural integrity, and assign an overall condition rating (e.g. good, fair or poor). ■ Rate each tree's suitability for preservation (e.g. high, moderate or low). ■ Specify whether any of the trees are regarded as "protected trees" pursuant to the Cupertino Municipal Code. ■ Assign tree numbers in a sequential pattern for each site, and show those numbers on the aerial photographs derived from Google Earth; see Exhibits C and D. ■ Affix metal tags (round aluminum) with corresponding numbers to each trunk. ■ Obtain photographs; see can be viewed in Exhibits E and F. f ■ Review Sheet PV 0.1 (PV Site Plan), dated 10/13/10, and address potential tree- related impacts for the Cupertino Civic Center. ■ Provide measures to mitigate the removal of trees, as well as help avoid or mitigate impacts to retained trees. ■ Prepare a written report containing the aforementioned infoi this report has been suUmitted as a PDF document via email. Cupertino Solar Carpo�•t Project Page 1 of IO City of Cupe� Califor�nia 3-45 David L. Babby, Registered ConsultirrgA�-bo�•ist November 1, 2010 2.0 TREE COUNT AND COMPOSITION 2.1 Cupertino Civic Center Ninety-four (94) trees of five various species were inventoried at this site. They are sequentially numbered as 1 thru 94, and the following table identifies their names, numbers, counts and percentages: % OF NAME TREE NUMBER S COUNT TOTAL blackwood acacia 24-39, 55, 78-94 35 37% Brazilian peppertree 1, 3-5, 8-11, 15, 16 10 11% Chinese pistache 63-77 15 16% flowering pear 2, 6, 7, 12-14, 17-22, 56-62 19 20% river birch 40-54 15 16% Total 94 100% Specific data recorded for each tree can be viewed in Exhibit A. A map showing their locations are presented in Exhibit C, and photographs are provided in Exhibit E. The site is populated predominantly by blackwood acacias that form a row along the eastern (rear) propei boundaiy, and serve as a screening element between the site and �� - neighboring single-family residential properties along Farallone Drive. Two groups of these trees were inventoried for this report; one is comprised of trees #23 thru 39, which would potentially affect solar access to the photovoltaic (PV) panels proposed for the City Hall parking lot, while the other is comprised of trees #78 thru 94, which would potentially be affect solar access to the PV panels proposed for the library's rear parking lot. The row of trees #23 thru 39 is relatively dense, whereas #78 thru 94 are scattered Cuperti»o So1ar Carport Project Page 2 of 10 City of Cuper Califor 3-46 David L. Babby, Registered Consulting Arbo�•ist� November 1, 2010 with fairly wide spacing between trees. �There is also one very small acacia, tree #55, in a � finger-island adjacent to the sports field. The river birch are comprised of trees #40 thru 54, and form a row within, to my understanding, a bioswale behind the library. The Chinese pistache align the northern and western (street) sections of the sports field. The flowering pears are located along the entrance to City Hall, the adjacent parking, and along the west, northern section of the sports field. The Brazilian peppers are situated within islands in the parking lot for City Hall. None of the u�ventoried trees are considered "protected trees" pursuant to Section 14.18.035 of the City Code. Note that two trees north of #78, there is a dead tree that should be immediately removed. 2.2 Quinlan Community Center Thirty-six (36) trees of three various species were inventoried at this site. They are sequentially numbered as 1 thru 36, and the following table identifies their names, numbers, counts and percentages: % OF � NAME TREE NUMBER S COUNT TOTAL � coast redwood 5, 9, 10, 12-14, 17, 18, 22- 16 44% 27, 29, 30 flowering pear 1-4, 7, 8, 11, 15, 16, 19-21, 19 53% 28, 31-36 Japanese flowering 6 1 3% cherry Total 36 100% Cupertino Solar Carport Project Page 3 of 10 City of Cupertino, Califor»ia 3-47 David L. Babby, Registered Consultir�g Arborist� Novef�iber 1, 2010 Specific data recorded for each tree can be viewed in Exhibit B. A map showing their locations are presented in Exhibit D, and photographs are provided in Exhibit F. None of the trees are considered "protected trees" pursuant to Section 14.18.035 of the City Code. 3.0 SUITABILITY FOR TREE PRESERVATION Each tree has been assigned a"high," "moderate" or "low" suitaUility for preservation rating as a method for cumulatively measuring and considering their physiological health, sti integrity, location, size and species. A desci of these ratings followed by the assigned tree numbers, per site, is as follows: Hi�h: They have a high potential of providing long-term contribution the site, appear in good health, and contain seemingly stable sh ■ Cupertino Civic Center (12 trees): trees #63, 65-70, 72 and 74-77. ■ Quinlan Community Center (15 trees): trees #5, 9, 10, 12-14, 17, 22-27, 29 and 30. Moderate: They contribute to the site but not at seemingly significant levels. Their longevity and contribution is less than those of high suitability, and more frequent care is �- s . needed during their remaining life span. ■ Cupertino Civic Center (62 trees): trees #l, 3, 6-14, 16-18, 20-28, 30, 32-54, 56-62, 64, 71, 73, 83, 85, 88, 90 and 91. ■ Quinlan Community Center (19 trees): trees #1-4, 6, 7, 15, 16, 18-21, 28 and 31-36. Cupertino Solar Ca�port Project Page 4 of IO City of Cupertino, Califor 3-48 Davfd L. Babby, Registered Consz�lti��g Arborist� November 1, 2010 Low: These trees are predisposed to irreparable health problems and/or structural defects that are expected to worsen regardless of ineasures employed. • ■ Cupertino Civic Center (20 trees): trees #2, 4, 5, 15, 19, 29 (dead), 31, 55, 78-82, 84, 86, 87, 89 and 92-94. ■ Quinlan Community Center (two trees): nees #8 and 11. 4.0 POTENTIAL TREE-RELATED IMPACTS Per Sheet PV 0.1, the following tree dispositioil at the Civic Center would result by implementing the proposed desigYl: ■ The following 55 trees would be removed to accommodate the proposed caiports and solar panels: #1 thru 17 and 40 thru 77. ■ Trees #23 thru 39 (blackwood acacias) would require height reduction or removal of the tallest trees, as well as maintaining the hei�ht of remaining trees. ■ Trees #78 thru 94 (blackwood acacias) and #18 thru 22 (flowering pears) are required to remain at their cui7ent height. The plan does not identify specific trees that require height reduction or removal, and this information is necessary to more fully identify potential impacts. Also, the height f _ tolerance of trees should be provided as there are cost impacts associated with frequent f _ pruning. Note that substantial height reduction, particularly of the acacias and pears, would drastically increase growth rates and further increase maintenance (e.g. every six months or year). Cupertiz�o Solar- Carport Project Page S of IO City of Cupe� Califor�aza � 3-49 � David L. Babby, Registered Consulting Arborist� November 1, 2010 5.0 TREE REPLACEMENTS For the Civic Center, mitigation for removing the 55 trees involves installing 58 trees of 24-inch box size (pursuant to Table A, Section 14.18.185 of the City Code). This amount will increase should trees bordering the proposed carport locations require removal. Appropriate species can be provided once locations for the new trees are identified. For Quinlan Community Center, the amount and size of replacements can be identified once the project plans become developed, and trees to be removed are identified. All new trees should be installed, including necessary ii by an experienced state- licensed landscape contractor or a professional tree company, and performed to professional industry standards. They shall be planted prior to final inspection, double- staked with rubber tree ties with no cross-brace, and all foi of inigation be of a bubbler- system placed on the soil surface and not in a sleeve (this should be shown on the appropriate detail in the landscape plan). _ t.; Cuperti»o Solar Carport Project Page 6 of 10 City of Cupertino, California 3-50 David L. Babby, Registered Consultir�gArborist Nove�nber 1, 2010 6.0 TREE PROTECTION MEASURES Recommendations presented within this section are intended to serve as guidelines for mitigating or avoiding impacts to trees being retained (including those not inventoried for this report), and should be carefully followed and incorporated into the project plans. Note that they are subject to revision upon review of any additional or revised plans, including development of plans for the Quinlan Community Center, and I should Ue consulted in the event any cannot be feasibly implemented. 1. A note insh the contractor(s) to refer to this report for tree protection measures should be added to the project plans. 2. The Tree Protection Zone (hereinafter "TPZ") of a particular tree should be regarded as the unpaved area beneath its canopy (essentially, the planter area beneath its canopy). The TPZ is where all demolition, trenching, soil scraping and grading (soil cuts, overcut, fill, and finish-grading) shall be avoided except where approved. I�i areas where this is not feasible, I should be consulted to review whether an alternative TPZ would be acceptable. 3. Unless othei approved, all construction activities must be conducted beyond TPZs, to include, but not limited to, the following: demolition, grading, stripping of topsoil, trenching, equipment cleaning, stockpiling/dumping of materi�ls, and equipment/vehicle operation and parking. Tree trunks shall also not be used as winch supports for moving or liftulg heavy loads. 4. Any digging or trenching within a TPZ shall be manually performed without the use of heavy equipment or tractors operating on unpaved ground. Cupertino Solar Ca�port Project Page 7 of IO Ciry of Cupe�•ti��o, California 3-51 David L. Babby, Registered Consulting Ai November 1, 2010 5. The staging area(s) and routes of access shall be established Ueyond TPZs. 6. The disposal of harmful products (such as cement, paint, chemicals, oil and gasoline) is prohibited beneath canopies or anywhere on site that allows drainage beneath or near TPZs. Herbicides should not be used with a TPZ; where used on site, they should be labeled for safe use near trees. 7. Tree protective fencing, to remain intact throughout construction, should be installed prior to demolition for the purpose of restricting access into a TPZ. It shall be comprised of six-foot high chain link mounted on two-inch diameter steel posts that are driven into the ground 24 iilches and spaced apart by no more than approximately ten feet. The location of fencing will vary for each tree, and should be addressed on a case-by-case basis. I recommend the connactor reviews the fencing location and placement with me two weeks prior to commencing work and installing fencing. Aiiy modification to or access within fencing should not occur without City's consent. 8. To protect trees otherwise planned for retention, great care must be taken during demolition to avoid excavation into existing planters of TPZs where roots are expected to be found growing along the inside of existing curbs and gutters. 9. Trees with low-growing branches encroaching into the parking lot should be pruned prior to moUilizing equipment. The work shall be performed in accordance with the �= �� most recent ANSI standards, and Uy a California state-licensed tree service that has an International Society of Arboriculture (ISA) certified arborist in a supervisory role. The company selected should also carry General Liability and Worker's Compensation insurance, and shall abide by ANSI Z133.1-2006 (Safety Operations). Cupertino Solar Carport Pr•oject Page 8 of 10 City of Cz�pertino, Califo�-nza _ 3-52 Davzd L. Babby, Registered Consulti»g Arborist� November 1, 2010 10. The removal of trees, including stump grinding (versus being pulled up with heavy equipment, and inadvertently damaging roots of retained trees), situated beneath or immediately adjacent to retained trees should be performed by a company described above for pruning. A small tractor or other heavy equipment sl�all not be authorized to operate or travel on unpaved areas within a TPZ. 11. Removal of existing shrubs and plants within a TPZ must be manually removed versus being excavated. 12. Great care should be taken by construction personnel and any heavy equipment operator to avoid damaging tree trunks, limbs and branches. 13. During any approved trenching or excavation within a TPZ, roots encountered with diameters less than two inches can be removed, but must be cleanly severed at right angles to the direction of root growth. In doing so, sharp cutting tools (e.g. loppers or handsaw) should be used, and the cuts must occur against the tree side of the trench. The severed root end should be covered with backfill soil the same day. 14. Also during any approved trenching or excavation, roots encountered with diameters greater than two inches must not be cut or damaged, and covered with soil or wrapped in moistened burlap within one-hour of Ueing exposed. If burlap is used, it should remain contulually moist until the trench is backfilled. �� 15. Supplemental water during construction may benefit a trees' health, and can be reviewed on a case-by-case basis. For designated trees, watering should be performed within the months of May thru October at two-week intervals, and at an approximate rate of five gallons per each inch of trunk diameter. Cupertino Solar Carpor Project Page 9 of 10 Crty of Cupertino, Cal fornia 3-53 David L. Babby, Registered Consulti��g Arborist November 1, 2010 16. The disposal of harmful products (such as cement, paint, chemicals, oil and gasoline) is prohibited beneath canopies or anywhere on site that allows drainage beneath canopies. Herbicides should not be used beneath the trees' canopies; where used on site, they should be labeled for safe use near trees. Prepared By: . Date: November l, 2010 David L. Babby Registered ConsultingAYborist #399 � :_ _ ,,.;' Board-Certified Master Arborist #WE-4001 B � �. k�1w , \ �� Cupertino Solar Cai port P�•oject Page 10 of 10 City of Cuperti�io, California 3-54 David L. Babby, Registered Consulti»g A�•bor•ist� Noveniber 1, 2010 EXHIBIT A: TREE INVENTORY TABLE Cupertino Civic Center � � - � Cupe�•trno Solar Carport P�roject City of Cupe��tino, California 3-55 ARB4R RESOL�RCES professional consulting arborists and tree care TREE INVENTORY TABLE � � o � N L � 4. O O � � U 3 �3 � yo ¢ `� � L r-� �� O � i' "�'� > O i O c r,�q c •�, O n' � O v y .^� U '.-. � U� O • r3 � . F F- U� b v, _.„ v �� ° u c� � . � = t� � c� O . t' �, � [� 'a Q '�� b� Uq �q U� _� u � � ? = TREE � �:n � n o = o � o � cn a- NO. 7"REE NAME �, ; ,�j � �j � x � � � O � ci� � ^c-.�' Brazilian pepper tree 1 (Sdai�aus ter�ebinthifolius ) 11 20 25 100% 50% Good Moderate X Comments: Buckling surrounding curb. Nearly fills in entire "finger" planter. flowering pear 2 (Py� calle�yan.a ) 2 8 6 50% 25% Poor Low X Comments: Has dieback and siguificant decay at base. Brazilian pepper tree 3 (Schinus te��ebinthifolius ) 6 15 20 100% 50% Good Moderate X Comments: Brazilian pepper tree 4 (Schinus ter•ebintlttfolius ) 16 25 30 50% 25% Poor Low X Comments: Canopy is sparse. Nearly outgrown finger planter. Past limb failure. Has a large girdling root. Leaders form a weak attaclunent. Brazilian pepper tree 5 (Schir7us terebinthifolius ) 5 10 15 100% 25% Poor Low X Commei�ts: Has been previously sl�aped. Root decayed near base. flowering pear 6 (P��rus calleryana ) 5 15 20 75% 50% Fair Moderate X Comments: Has dieback. flowering pear E 7 (Py� caller��ana ) 6 10 6 75% 50% Fair Moderate X y Comments: Brazilian pepper t��ee 8 (Schinus ter•ebinthifolius ) 5 10 10 100% 50% Good Moderate X Comments: Has been shaped. Brazilian pepper tree 9 (Scllzrrus terebinthifolius ) 7 12 20 75% 50% Fair Moderate X Comments: Somewhat sparse. Sife: Cupertino Civic Center Prepared for: City of Cupertino Prepared by: David L. Babby 1 of 11 November 1, 2010 3-56 ARBQR RESOLIRCES professional consulting arborists and tree care TREE INVENTORY TABLE o � � � '� � � w.; o o � 3 3 ( � o � -��. L r � , IO T �� ' L J CS U U O.r O D� 7A O .� O C" � O v �= � v� O s., c7 r- U i. cl � � .. ., ;j r C E'" .-. U� in �, v� C �a�. U U 'D � � � � � � G] c5 C� U � � '� � � � � U II � il - � � � � TREE s � � `� � � o � � � i � � = • �' CJ � � � U p , _ � C O :. O NO. TREE NAME �=, ; � ,a � � V � v p � � x � Brazilian pepper tree 10 (Schinus terebinthifolius ) 9 15 20 100% 50% Good Moderate X Comments: Surrounding curb has buckled. Brazilian pepper tree 11 (Schinus terebirathifolius ) 5 10 15 75% 25% Fair Moderate X Coinments: Has a wound where two leaders joiu; it is mostly closed, but may contain decay. flowering pear 12 (Pyr•us calle�yana ) 2 8 6 75% 50% Fair Moderate X Comments: flowering pear 13 (Pyi-us calleTyana ) 4 15 10 75% 50% Fair Moderate X Comments: flowering pear 14 (Py�us calleryar�a ) 5 20 15 75% 50% Fair Moderate X Comments: Brazilian pepper tree 15 (Scl�i�7us derebir�thifolius ) 7 15 20 75% 25°/a Fair Low X Comments: Has a large wound along lower trunlc. Brazilian pepper tree 16 (Schinus terebintl�ifolzus ) 8 10 20 100% 50% Good Moderate X �' Comments: flowering pear 17 (Pyrus calleryana ) 16 25 35 75% 50% Fair Moderate X Comments: flowering pear 18 (Pyr-us calle��ana ) 14 30 30 50% 50% Fair Moderate Comments: Overthinned. Site: Cupertino Civic Center Prepaied for: City of Cupertino Prepared by: David L. Babby 2 of 11 November 1, 2010 3-57 ARBOR RESOLIRCES professional consuit�ng arborists and tree care , TREE INVENTORY TABLE �. �- o � � ` '� d -� o o � ? c, - T , c 3 � 3 ,. C] �,� � _ ` u � o " °� 7 o °- o �, ° o U '.� � - U ' � ". Q • c3 C ^ v cy � ;,b .. .. 'O �, O F" .�-. U ,�, � U _' U O , ^ � 'b N-. � • >, '� � � 'o U � cs � U ,� : ° v, C] II � II — _ � ` ia _ q 'O o o � 'r�"� � 7'REE 1 �'A — � n o �� u y b c NO. TREE NAME ^ o C o F= w� w cn � v� O� v� x � flowering pear 19 (Pprus caller��ana) 14 25 25 75% 25% Fair Low Comments: Has a very large wound along trunlc. flowering pear 20 (Pyrus calle�yana ) 13 25 25 75% 25% Fair Moderate Comments: Has been overthimled. flowering pear 21 (Pprus cadler��ana) 13 25 25 75% 50% Fair Moderate Comments: Surrounding l�ardscape is significantly raised. flowering pear 22 (Pyrus calle�yana ) 13 30 20 75% 50% Fair Moderate Comments: Has been overthinned. blackwood acacia 23 (Acacia meda»oxylaz ) 17 40 60 50% 50% Fair Moderate Comments: Sparse canopy. blackwood acacia 24 (Acacia nselm�oxylon ) 17 45 35 50% 50% Fair Moderate Comments: Sparse canopy. blackwood acacia 25 (Acacia melanoxylon ) 19 35 45 75% 50% Fair Moderate L' s �' Comments: blackwood acacia 26 (Acacia melanoxylon ) 14 35 25 75% 50% Fair Moderate Comments: blackwood acacia 27 (Acacia nzelanoxylon ) 12, 8, 8 20 30 75% 25% Fair Moderate Comments: • Sife: Cupertino Civic Center Prepared for: City of Cupertino Prepared by: David L. Babby 3 of 11 November 1, 2010 3-58 ARBOR RESOURCES professional consuiting arborists and tree care TREE INVENTORY TABLE o � � � '� a �+-; o o ' > u u u o a - �, ° ^ 3 ?, 3 ,- ca u ,...� � u u � ° ° ° �n� °- `o G � o U ... � .. � � C f U �j � in .= � � G 4� fJ U � 'U CJ O . L' "b Q �� b U� Cy p U� � O Q�..i ^ G TREE � E.:p E� � o � o � o a� '= NO. TREE NAME F, ; � y� �° U, ° �' C7 �.i � blackwood acacia 28 (Acacia �nelanoxylon ) 18 25 40 75% 50% Fair Moderate Comments: blackwood acacia 29 (Acacia mela�zozylon ) 11 25 - 0% 0% Dead Low Comments: Tree is DEAD. blackwood acacia 30 (Acacia melanoaylon ) 12 30 30 50% 50% Fair Moderate Comments: blackwood acacia 31 (Acacia melanoxylon ) 14 35 40 25% 25% Poor Low Commei�ts: Dying. blackwood acacia 32 (Acacia melano�ylorz ) 11 30 25 75% 25% Fair Moderate Comments: Crowded growing conditions. blackwood acacia 33 (Acacia melanoxylon ) 11 35 30 100% 50% Good Moderate Comments: blackwood acacia 34 (Acacia melanoxylori ) 12 30 30 75% 50% Fair Moderate `� Comments: � blackwood acacia 35 (Acacia melar7oaylon ) 14 30 30 100°/a 25% Fair Moderate Commevts: blackwood acacia 36 (Acacia nzelanoz7�loiz ) 16 25 30 75% 25% Fair Moderate Comments: Site: Cupertino Civic Center Prepared for: City of Cupertino Prepared by: David L. Babby 4 of 11 November 1, 2010 3-59 ARBaR RESOLIRCES professional consuiting arbor�sts and tree care TREE INVENTORY TABLE o � ;, � ' � e.. �+. o o �° ? ` U U � �-' � ^ �L �3 ?�3 �Q � � o � � a O v �° b0 ° O G� O v u `� v -� � �� O L ca y � N v � � � � � b � '� � v U ^ c� O � "� L`� Q b� b'Z? U� n'J U s .�' � c.`�i TREE .= c �q " •° = � ci � n - o � � � � • � L rJ 0 � 0 CJ p .= � rJ NO. TREE NAME F:, w � w � � ° � ° p � � ? � blackwood acacia 37 (Acacia melanoaylori ) 16 30 30 100% 50% Good Moderate Comments: blackwood acacia 38 (Acacia melanoxylo�z ) 12 30 25 75°/a 25% Fair Moderate Comments: Two leaders form a weak attachment. blackwood acacia 39 (Acacia melanoxylon ) 12 25 25 75% 50% Fair Moderate Comments: river bircl� 40 (Betula nigi•a ) 6 20 20 100% 50% Good Moderate X Comments: river birch 41 (Betula ��igra ) 6 20 20 100% 50% Good Moderate X Comments: river birch 42 (Betula raigra ) 6 20 20 100% 50% Good Moderate X Comments: river birch 43 (Betula nigra ) 6 20 20 100% 50% Good Moderate X � Comments: � river bircl� 44 (Betula nigra ) 6 20 20 100% 50% Good Moderate X Comments: river bircl� 45 (Betula nigra ) 6 20 20 100% 50% Good Moderate X Comments: Site: Cupertino Civic Center Prepared for: City of Cupertino Prepared by: David L. Babby 5 of 11 November 1, 2010 3-60 ARB4R RESOURCES professionai consulting arborists and tree care TREE INVENTORY TABLE o � � � � •� � 4:: o 'o `m > 3 � ^ Q .� ^ 3 ,,3 .- q �� ^ ° � �° ° � ° �° ° � � ° v O cy `� I � U �j � in = v� � L`. O V U L � � � � � � `� c3 ("� �J c �' O � TREE � C � �s -o � I; � �I _ :�. : � u � • •`� •� � � ° � o � ° i � � NO. TREE NAME �, � � w � � ° � ° � � � � � river birch 46 (Betula nig�•a ) 6 20 20 100% 50% Good Moderate X Comments: river birch 47 (Betula �7ig�•a ) 6 20 20 100% 50% Good Moderate X Comments: river birch 48 (Betula izig�•a ) 6 20 20 100% 50% Good Moderate X Comments: river birch 49 (Betula nigra ) 6 20 20 100% 50% Good Moderate X Comments: river birch 50 (Betula nig�•a ) 7 20 20 100% 50% Good Moderate X Comments: river birch 51 (Betula ni,g�•a ) 7 20 20 100% 50% Good Moderate X Comments: river birch 52 (Betula nigra ) 6 20 20 100% 50% Good Moderate X � �-' Commei�ts: � river birch 53 (Betula nig�•a ) 5 20 20 100% 50% Good Moderate X Comments: river birch 54 (Betula nigra ) 6 20 20 100% 50% Good Moderate X Comments: Site: Cupertino Civic Center Prepared for: City of Cupertino Prepared by: David L. Babby 6 of 11 November 1, 2010 3-61 ARBOR RESOLIRCES professionai consulting arborists and tree care TREE INVENTORY TABLE ^ � o � n � � C, 4:. � 0 � � 3� � S�. >, •= 3 � 3 ,- G� o.° n � o° o= 5n° °- o �- � o y f, U j '." U �-�-� � V � :.d � t-' C'3 r '�. '"' (--� U � � in .-.. ✓J G 4� U U cs " V � � O.�" T '17 L� � ' �u � v� � j Cp c: Q. U :_ � c n i � ,�• = � .� = \° -' \ c3 � .o ? = TREE E� � � R o � o �° �°° �' � ' N � �o �o >� '=� u NO. TREE NAME F: ;,� x r,a cn x,� rn " O... rn ..- � blackwood acacia 55 (Acacia melanoz��lon ) 2 15 8 100% 50% Good Low X Comments: flowering pear 56 (Py� calleryana ) 5 25 15 100% 50% Good Moderate X ' Comments: flowering pear 57 (Pyrus callerya�za) 6 20 15 75% 50% Fair Moderate X Comments: flowering pear Sg (P�n•us calleryaraa) 3 10 6 75% 50% Fair Moderate X Comments: flowering pear 59 (P��rus calle�yana ) 5 15 15 75% 50% Fair Moderate X Comments: Wound at trunk's base. flowering pear 60 (Pyrus calle�ymza ) 4 15 10 75% 50% Fair Moderate X Comments: flowering pear 61 (Pprus calleryana ) 5 25 15 50% 50% Fair Moderate X �, Coinments: flowering pear 62 (Pyrus calle�ym�a ) 15 30 35 75% 50% Fair Moderate X Comments: Has been overthinned. Chinese pistacl�e 63 (Pistacia chinensis ) 8 20 20 75% 50% Fair High X Comments: Site: Cupertino Civic Center Prepared for. City of Cupertino Prepared by: David L. Babby 7 of 11 November 1, 2010 3-62 ARBaR RESOL�RCES professional consuit�ng arborists and tree care TREE INVENTORY TABLE o n � � '� � �; o o '� > � u c� 3 a. � � ' ` 3 '' 3 ^ Ca v ,� n u u o o p° � �� o o � y ' � v c� � v �� = � v � ;,� o �.. cs � c -� � � � u c> � h CJ `� c`�'i ""' u o'- 'a � Q �° � '� U � cs (I] U � , �' � u TREE � . _ �n � o � o `—' o � � � ao r NO. TREENAME �, ;�� ;��,^—, �°— �—° OC7 �x � Chinese pistache 64 (Pistacia chinensis ) 6 15 25 75% 50% Fair Moderate X Comments: Possibly has a girdling root. Chinese pistache 65 (Pistacia chinensis ) 6 15 20 100% 50% Good High X Comments: Chinese pistacl�e 66 (Pistacia chinensis ) 5 12 20 100% 50% Good High X Comments: Chinese pistache 67 (Pistacia chinensis ) 7 20 25 100% 50% Good High X Comments: Chinese pistache 68 (Pistacia chinensis ) 9 25 30 75% 50% Fair High X Comments: Chinese pistache 69 (Pistacia chinensis ) 8 16 25 75% 50% Fair High X � Commeuts: Chinese pistache 70 (Pistacia chinensis ) 5 15 20 75% 50% Fair Higi� X t_' Commen�s: Chinese pistache 71 (Pistacia chinensis ) 10 22 25 75% 50% Fair Moderate X Comments: Sparse canopy. Chinese pistache 72 (Pistacia chinensis ) 9 22 30 100% 50% Fair High X Comments: Site: Cupertino Civic Center Prepared for: City of Cupertino • Prepared by: David L. Babby 8 of 11 November 1, 2010 3-63 ARB�R RESOURCES professional consulting arborists and tree care TREE INVENTORY TABLE �. � o � ti � '� � 4 :: o o R ? c, 3 �, 3 � N o � T"' II II �- � c� ..� � U u O U O o �° � O �''-' � O V U '_. � U � ' O • a5 �' '� I'" U� � in .--. :n v ^ �^ s«�. u U " " � � � o .� 'b � `� � �° 't? U � cs C] U � � ° �, Cl v II � II — -� � � ' c � = ° � ° � .D ? �fREE � � �n _ u � o = o u ° o � °p � NO. TREE NAME �. ;� � ;� � s � � � p � � � � Chinese pistache 73 (Pistacia cl�inensis ) 8 25 30 75% 25% Fair Moderate X Comments: Chinese pistache 74 �PIStQCTQ CI7T77212SZS � 9 30 30 75% 50% Fair High X Convnents: Chinese pistache 75 (Pistacia chir�ensis ) 9 25 30 100% 50% Good High X Comments: Chinese pistache 76 (Pistacia chinensis ) 8 25 30 100% 50% Good High X Comments: Chinese pistacbe 77 (Pistacia chinensis ) 7 30 25 100% 50% Good High X Comments: blackwood acacia 78 �(Acacia melanoxylora ) 13 25 25 50% 25% Poor Low Comments: Declining. blackwood acacia 79 (Acacia melar�oz��lo�i ) 8 20 20 50% 25% Poor Low , Comments: Dec�ining. " blackwood acacia 80 (Acacia melanoxylon ) 5 20 20 75% 25% Fair Low Commevts: Significant decay at base. blackwood acacia 81 (Acacia nrelanoxylon ) 14 30 30 75% 25% Fair Low Comments: Significant decay at base. Site: Cupertino Civic Cenfer Prepared for: City of Cupertino Prepared by: David L. Babby 9 of 11 November 1, 2010 3-64 ARB�R RES�LIRCES profess�onal consulting arborists and tree care TREE INVENTORY TABLE O � in in � � G ' cf., O O b > � j - >, .= 3 ?' 3 ,- q � ° �- .� U o � o � � °_ o � � o � � � � " °. � ° � o � r� ^ c I-- ._ CJ � '° � _, u � c , o � � Q �°� �b Un ,csn U„� •�� u TREE � ,,,"„ � " �° .- � � a n � � = _ " - � �° �° � °o .� a° � NO. TREE NAME �, ;� � ; � z °— � —° �' C7 � x � blackwood acacia 82 (Acacia melar�o�ylon ) 5 25 15 50% 50% Fair Low Comments: blackwood acacia 83 (Acacia melanoa��lon ) 3 15 8 75% 50% Fair Moderate Comments: blackwood acacia 84 (Acacia melanoa}�lon ) 10 25 20 50% 25% Poor Low Comments: Has significant decay. blackwood acacia SS (Acacia nielarao.a��lon ) 8 20 20 75% 50% Fair Moderate Comments: blackwood acacia 86 (Acacia melanozylon ) 6 15 15 75% 25% Fair Low Comments: Decay at base. blackwood acacia 87 (Acacia melanoxylon ) 5 15 10 100% 25% Fair Low Comments: Decay at base. blackwood acacia 88 (Acacio melanozylon ) 8 20 25 75% 50% Fair Moderate � �-, Comments: �' blackwood acacia 89 (Acacia melanozylon ) 11 25 30 75% 25% Fair Low Comments: Has very large wounds along trunk. blackwood acacia 90 (Acacia melanozylon ) 15 30 35 75% 25% Fair Moderate Commeuts: Adjacent to power pole. Site: Cupertino Civic Center Prepared for: City of Cupertino Prepared by: David L. Babby 10 of 11 November 1, 2010 3-65 ARB�R RESOLIRCES professional consulting arborists and tree care � TREE INVENTORY TABLE ^ = o � � � �� 0 0 w 3 �' � � o � - �, •L ^ �o _. �o ... Ca o ,.�] c� � O v O � bD ° � O C � O � V " Cl '.�. � U � `� O s. c7 r' U ^ E-� � U� v� ��; � G w u ci n `� � ^ u o . ` >, ' � 'a v '° 'D ° C] n ^�' U � � :n i � C.J � =z. ; C� II � II - � rS � C3 '� o o � 7�REE 1 �.n � u � o = o u o �° o' NO. 1`REE NAME �, ;�,`�j z w� x� �� p v ci� � � blackwood acacia 91 (Acacia rnelanozylo�� ) 8 22 20 75% 50% Fair Moderate Comments: Possibly has a girdling root. blackwood acacia 92 (Acacia »�elanoaylon ) 3 10 6 50% 0% Poor Low Comments: Trunk is cracked. blackwood acacia 93 (Acacia �nelar�oaylon ) 10 25 20 75% 25% Fair Low Comments: Decay at base. blackwood acacia 94 (Acacra melanozylora ) 8 20 20 25% 50% Poor Low Comments: Decay at base. Canopy is very sparse. c �, Sife: Cupertino Civic Cenfer Prepared for: City of Cupertino Prepared by: David L. Babby 11 of 11 November 1, 2010 3-66 Davad L. Babby, Registered Consulti��g A�•borist November 1, 2010 EXHIBIT B: TREE INVENTORY TABLE Quinlan Community Center �-�� Cupertino Solar Carpo�•t Project Ciry of Cupertzno, California � 3-67 ARB�R RESOLIRCES professionai consulting arborists and tree care TREE INVENTORY TABLE 0 L � �'S 4. o o L " 3 � ,, .^ 3 y 3 ,- � �° o � o° �° ° o �- ° � U cJ � � O U O -� O ' � � � c `� � ^ [= U �n = v� ^ . .. �j U U O."' T O 'C7 �,,, 'O U Q � �? " a C] U n _ cs -� co 'L7 � lo � lo � � � TREE �^ � tn � c`�i " o `-' o � � � an NO. TREE NAME H w� W� s° �°— p v � z flowering pear 1 (Pl�r calle�ya�aa ) 8 20 25 75% 50% Fair Moderate Comments: flowering pear 2 (Pyrus calle�yana ) 9 20 30 75% 50% Fair Moderate Comments: flowering pear 3 (Pyrus calle�yana ) 13 30 35 100% 25% Fair Moderate � Comments: Large wounds at trunk's base and along surfaced, major anchor roots. flowering pear 4 (Pyr7ss calle�yana ) 10 30 30 75% 25% Fair Moderate Comments: Crowded growing conditions. coast redwood 5 (Seguoaasem�ervirens) 18 55 25 100% 75% Good High Comments: Japanese flowering cherry 6 (Pru»us serrudaza ) 5 15 15 75% 50% Fair Moderate Comments: Crowded growing conditions. flowering pear 7 (P�>> calle��ai�a) 14 30 40 75% 25% Fair Moderate {" Comments: Fs �� flowering pear 8 (Pyrus calle�7�ana) 13 30 40 75% 25% Fair Low Comments: Large wound wl�ere two of three leaders originate. Has a girdling root. coast redwood 9 (Sequoia sempervirens ) 19 50 25 100% 75% Good High Comments: Site: Quin/an Community Center Prepared for. City of Cupertino Prepared by: David L. Babby -� 1 of 4 November 1, 2010 3-68 ARBOR RFSOURCEs professional consulting arborists and tree care TREE INVENTORY TABLE = 0 � L � �.' � � � 3 _ � . � 3 � 3 �. � .� � o � o c �� o o C � `� � ^^ ' o 0 0 ;� o L cs , E- U c =o � � �; .- �- � ° � �- • • n >, Q b� b'b U C�] a'� U� � � " ^ "'r�s :s � � o = � � � TREE _ � a4 = o � o � o � o �^o NO. 7'REE NAME �. w X w� x� �� p v rn � coast redwood 10 (Sequoiasenapervirens) 18 50 25 100% 75% Good High Comments: flowering pear 11 (Pyrus calle��araa ) 10 25 20 75% 25% Fair Low Comments: Has a large wound at base and poor structure. coast redwood 12 (Sequoiasenipervirens) 14 45 25 100% 75% Good High Comments: coast redwood 13 (Sequoiasernpervirens) 17 45 25 100% 75% Good Higl� Comments: coast redwood 14 (Sequoia sempe�virens ) 18 45 25 100% 75% Good High Comments: flowering pear 15 (Py�-us calleryana ) 7 20 25 50% 50% Fair Moderate Comments: flowering pear 16 (Pyrus calleryana ) 8 20 25 75% 50% Fair Moderate - Commeuts: F''' ' coast redwood 17 (Sequoia sempervirens ) 16 35 25 100% 75% Good High Comments: coast redwood 18 (Seqirozasempervirens) 12 30 20 100% 25% Fair Moderate Comments: Possibly has a girdling root. Site: Quinlan Community Center Prepared for: City of Cupertino Prepared by: David L. Babby 2 of 4 November 1, 2010 3-69 ARBOR RESOURCEs professional consulting arborists and tree care TREE INVENTORY TABLE � 0 �, � �� - �, - 3 � 3 ,- � .� .� u o u o c .� c o o � U U L CJ r" � O .. O . .� O L C3 = f— � U� ��n ._' in C " w u 'c7 0 � v �° � � p cs p U y ' T� T R E E 1 c� �`�' n o � o � o �� NO. TREE NAME �=, ,a x ; � � ° � °— p C7 � x flowering pear 19 (Pyrus cadle�ym�a) 13 25 30 100% 25% Fair Moderate Comments: flowering pear 20 (Py�-us calle�yana ) 12 22 30 100% 25% Fair Moderate Comments: flowering pear 21 (Pyrus calle�yana ) 13 20 35 75% 25% Fair Moderate Comments: Has a partial girdling root. coast redwood 22 (Sequoiasempe�vi�•ens) 17 50 25 100% 75°fo Good High Commei�ts: coast red�vood 23 (Sequora sempervi�•ens ) 14 45 25 100% 75% Good High Comments: coast redwood 24 (Sequoiasempe�virens) 16 45 25 100% 75% Good High Comments: coast redwood 25 (Sequoiasempe�virens) 18 45 25 100% 75% Good High Commei5ts: ., coast redwood 26 (Sequoiasempervirens) 20 45 25 100% 75% Good High Comments: coast redwood 27 (Sequoiasempervirens) 15 45 25 100% 75% Good High Comments: Site: Quin/an Community Center Prepared for: City of Cupertino Prepared by: David L. Babby 3 of 4 November 1, 2010 3-70 ARBOR RESCILIRCES professional consulting arborists and tree care TREE INVENTORY TABLE � 0 L f..� CS c: O O � 3 = �, .__ 3 ?� 3 .. � � .0 v p V O o `� � � O C'"" .... U L e5 U � O V � � O t., c3 r ' F" .-. U � � v� �. ia '. G �,-�. U " - 0 � - o 'D � ^�'� cs ^� U � r �' o � � II - II — =�- = � TREE � `� � � n = � � �s ° i' ^ NO. TREE NAME � � � ^ L � ° ` ° � � ��= � [— wx w�n �... v�... O� cn� flowering peaz 28 (Pvrus calleryaT�a ) 10 25 30 75% 25% Fair Moderate Comments: Large wound at base. coast redwood 29 (Sequoiasempe�vi�•ens) 19 50 25 100% 75% Good High Comments: coast redwood 30 (Sequoiasempervire�as) 21 50 25 100% 75% Good High Comments: flowering pear 31 (Pyrus calle�yana ) 13 25 35 100% 50% Good Moderate Comments: flowering pear 32 (Pyr calleryana ) 10 20 30 75% 50% Fair Moderate Comments: flowering pear 33 (Pyruscalleryana) 7 15 20 75% 50% Fair Moderate Comments: flowering pear 34 (Pyrus calle�ya�7a ) 6 18 20 75% 50% Fair Moderate Comments: �' �� flowering pear 35 (Pyrus calleryana ) 6 20 20 50% 50% Fair Moderate Comments: flowering pear 36 (Pyrus calle�yana ) 6 15 15 75% 50% Fair Moderate Comments: Site: Quinlan Community Center Prepa�ed for. City of Cupertino Prepared by: David L. Babby 4 of 4 = November 9, 2010 3-71 David L. Babby, Registered Consulting Arborist November 1, 2010 EXHIBIT C: AERIAL MAPS (two) Cupertino Civic Center L' �, t� Cupertzno Solar Carport Project City of Cupertino, California 3-72 CUPERTINO CIVIC CENTER 10300 Torre Avenue (Trees #1 thru �39j , .�4 -; � - � , _ ' �I � �J: ��'I �� : ,�� , �� ,�� . �" "° ' �' , �. - , _ X � __ i � � �' . - � � : � �. s '. i _ ;, 4 - . ...._ . ,7:�� " �' � ° �_ ♦ � �*�wr ', s K, ,� s.. k_ ..r s � .• �� ±+� - �'S� - ��+`�yT• �. g ,t ,; +� ��: 'a } �-�.�a��1�°�� '�" � _ s ,� ' , .,; .., ,. ' , 4 ,� _ � - ` '•'�, �,�,.. _ a.� :' '. �+` � . ^ .�� „ � c ,"5 ... � �.. � F f .. �. � � .. . . �.. �, � . y ,] .y�� Y t , r . � . . Y Y - _ � . ' _ �� . .. ' • .nc� Y .. .s' x . �' >.. , . I �-SS`��'J�: �. '� � � .�.. - . ��"�. _ ��._� W � _ . y . �.i � ' .. , .� � - : '- .. " _ _ � �� ~ � :a= �' ��:-, � � -'.. -,.� . �' ;�� _ ,., ; , _ �., ,� w ri _ �� a = ,�. '�;, '�� " - �'"'�` � ;,t�* ;:� t `f _ . : . , , r � '.�+' Y '`' �." - >�-`''o.. ' .�:• � . 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Y ' �.F •}# . � r T ��. t�� K �c ..l - �, 'T� `��. � �� . i � ?� w.e t C , , R: ��Y y A •� �" , C' � =:�.,... --^�� :. � • � < . � ��._ :' r�r ( � �� Y 1 . � �{ d ' � 5 • $ � ' .gr �a . .'��. � � S q' � . � j +� � 1F i� � • � � �� - .� # � � . �� .�.,� . �• � ` ='� o -• ��. �.� � �� - ,� w � r� � � . `�, #; � � � �4� _ `I �. � � � 3� `�� ` • �► '" '� ` �' � � "�; � _ �, . � l y. . .. r, S a , 4 ` • „.y t � V � „ sr. p �� .. � � � r `�<, '�'S�y, ., . �� _ '�.,• �� , f x� David L. Babby, Registered Consulting Arborist� November 1, 2010 EXHIBIT D: AERIAL MAP Quinlan Community Center f . - �a Cupertino Solar Carport Project City of Cupertino, California 3-75 QUINLAN COMMUNITY CENTER 10185 N Stelling Road , �-, , �. . ? _. , , � � � ' � � �r '. � � ,�.. � �.,e �'� , _� s ; r +. ` �� 4 .�� :� � �. .'�E: ""� � .{ l. � � I�C - I . T ; .� - �'�� ,� ,�� . - �� ;y_ _ : �. �� • �[ } '� R �' � � � ' .i � ,.�. . �� Y �\�� . . 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Babby, Registered Consulting A�•borist November 1, 2010 EXHIBIT E: PHOTOGRAPHS Cupertino Civic Center Photo index Page E-1: Trees #1 thru 6 Page E-2: Trees #7 thru 16 �> �, Page E-3: Trees #17 thru 39 Page E-4: Trees #27 thru 54 . Page E-5: Trees #55 thru 75 Page E-6: Trees #72 thru 94 � Cz�pertino Solar Carport Project City of Cupertino CQI fOY711Q 3-77 � David L. f3abby, Registe�•ed Consulling A�•bo�•ist � � ' r . � , • ' y � 1 �� w � ,�� `�� (! tix y ��.Y� y ;�� t yy ,�, _ �P: �,t 1�' �4; � + � � � ,I�t` - �, , . � �r. '. � � ��. �'' ■ h ��},. � � ��, P' � r * • ._ t . t� '� fj,w__l[r +Z� nd, . � c� . � S �. � 7� ti � ` C '4' : °`ti.y ,r r � ' t R,s: . i� � .+, `� . `�� r �� f� .? 's ' � �� _ . �� t•�..- �. ,r. ` � . •! � � � : i � .. : �'� -_. .: �+ - ! 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Cupertino Civic Ce��te� Cit�� of Czrpertiizo, Calzfoi�nia November 1, 2010 Page E-6 David L. Babby, Registe��ed Consultif�g A�-borist November 1, 2010 EXHIBIT F: PHOTOGRAPHS Quinlan Community Center Photo Index Page F-1: Trees #1 thru 7 �: Page F-2: Trees #8 thru 20 Page F-3: Trees #21 thru 31 Page F-4: Trees #32 thru 36 Cupertino Solar Carport Project Ciry of Cuperti��o, California 3-84 W I Oo � David L. Babby, Register^ed Consulting A��bo��ist� F _ r�� ._�' ��+� __�..,�'_ .. ,.�.:'_ .w+• � : ,> � � '4� � � �4 yS• � �j T �� ; e . t �c • � y ,s� � .Ss� �1 4 �� i�` y ,_ a � t . ��. `•� �� _ � , ��''� �_ 4 �. � � c � M �• °+�� 4 :;L``�' ��, �` }� f ' � r '�� }, � � y� a� � � 4 � 4. �� M^'• ry y � �� . � '� . � '.�. r ; �! �; " �''�-*:!�,�'�,`� � t . �� :-�•*_ �, ' _.;` '�'°.rt3r'� ++. 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' �� . • � � •Af� � �°.. 1 j . f • � � � ��"�� ,.� � ,r �� y+ : d `d',� 'i �� ' ` , f�i . � ,, , h�'S� � � �,• �� r., !. r � r t. �,. �(,�ja�,rb �(� � � � f � � 1 i . � n .,+. �+."�" MM � ��`�. r �:� ' � �� +��?`� �''��.�� .��' M �..� ,tJ F � J e�� ✓^ +� � V1f � � ' E `;� ;� � ' 1.• cy� a ' ,H� • � �� ' 1� �e ' 1. � �f �� .. r� f ' .� , ll�S� «� l� � � si . � � { ..: �.�, � / 1' F � +y �, w , .3N. � � , � , � , � � , i r *� ,,�+.� �r(�' .,, ` .. _ 3�� ,� �,, t ;raF��. ' r n �t» Z � �� .. y f � s' .�,� ` v' �� .: $ �� ,� � I i � �1 � � � ♦ ,� ^ •�� . / !� � .�� ^ _ 4 a: ��" � � `"' �yx t,' r � f �s�� l J ��4 a r� . t . ,�' ;�' � y [ ,f p�., �:v,•+- ��' i*,. ,� �' �.'r:.'- .�°' ' + t � . ' ' � .-�. �'Y ,� -.�. � �•' � _ w • -`� `� �r�, r ,. '1`', ,-,� •• + �y' .'' ��' - E, � 7 v ,r '�� 7 e � a ti y � ] . '�� ,' .. �' ' a'• !� �`�f ��j"�' t S �I {:� '. � 1 ,.T � �!i �� 1� .- �� Y y i . , I F � '� �' ,� _ _ _ .n . .r =+ _.w�w+�� 9 h f •� . . . �•,.,: �[ .w � v �� -�_-. M .�. i '� _ I n'F . __ i �c....,.. .,. �..-. ...��1'^'^ -.. � .. . ''� . . � � �� ' -�_ � l a .- � .r�- �;��. r I ��:�+ ` � ��' . � � .; -(� � f HaR- �� .� �^ -,�::,...» - � '' �.'�e� . � . " . �in�1t' Page F-4 Erin Cooke Attachment 8 Subject: FW: Trees at Civic Center - Updated Solar Design From: David L. Babby [mailto:arborresources@comcast.net] Sent: Thursday, December 02, 2010 11:46 AM To: Erin Cooke Subject: Trees at Civic Center - Updated Solar Design Erin, I concur with your listing of tree removals required for implementing the current design. Regarding relocation, trees #63, 65, 66 and 67 appear to be the most appropriate. Trees #40 thru 54 are also potential candidates, afthough, given their amounts and current layout, planting sites may be not be available. I do not suggest any other trees are considered. Future planting sites should provide full- to partially-filtered sunlight, accommodate planting areas of at least five feet in all directions from the trunks (for the root balls), accommodate tree trunks being setback from another by at least ten feet, allow canopies of relocated trees to not be obstructed by those of existing trees, and allow a water source (such as bubblers) to be installed; note that each potential planting area should be evaluated on a case-by-case basis, and I am available to evaluate them at your request. Given the trees' sizes, it seems that the most cost effective approach for relocation involves utilizing a spade (versus by hand-digging and boxing). All work must be performed according to the standards set forth in ANSI A300 (Part 6)-2005 Transplanting, and by a company that has an ISA certified arborist in a supervisory role, holds a current California state-licensed contractor's license, carries General Liability and Worker's Compensation insurance, and abides by ANSI Z133.1-2006 (Safety Operations). All recommendations provided by the company for pre-, during and post-transplant care should also be followed. Regarding locations of trenches for future utilities, I recommend they are routed beyond canopies of retained trees. David L. Babby RCA #399 BCMA #WE-40016 6 Consulting Arborist 650-654-3351 3—$ 9 �b -� � s'�, r �.s � * . :'` t�i+! '°�f �ys . ,� �' �� 1 �`��`�'�: . :,_�,� f . . �` `;�: _ � �' ,� � � .. r� ,� } y �t�r .�'.Y� . . � ��f� � ..� � S� 3 '. : � � � :� • a/GJ, '- s � � 1 >..•,r ,�.� Y &� ` r.. .._. �5 �_ � � 5� `"�`��:��,�,{ ' �, ' t t 4ks .'. 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SUfTE 216 BERICF_LEY, CA 9471C " (BBB) 896�273 F (88B) 843�6776 THIS PHOTOVOLTAIC INSTALLATION SHALL BE INSTALLED IN ACCORDANCE WITH TNE "'�'�'�g�RECOSO:.nR.coui CA UCENSE' C-46 #814435, G10 #872688 EDITIONS OF THE UNIFORM BUILDING CODE (UBC), THE NATIONAL ELECTRICAL CADE gORREGO SOLAR SYSTEt�S INC. (NEC), THE CA BUILDtNG CODE (CABC), THE CA ELECTRICAL CODE (CAEC) AND AI��Y LOCAL BUILDING CODES CURRENTLY BEING ENFORCED BY THE AUTHORITY HAVING JURISDICTION (ANJ). � a PRQJECT DETAILS z � -SYSTEt�I SIZE: 74.06 kW (DC STC) m -f�IODULES: (322) YINGLI YL230P-29b z -iNVERTER: TBD � j Q ¢ -MODULES MOUNTED ON CARPORTS @ 10° ORIENTED TO SOUTH Q � U -TRENCH LENGTH: 235' � 0 � � W � U � Q � � W � � � U � � z � � I— ~ � > Z E— Q � � � � � A' O > � 1^ L� � O �l / L1") O � Q � U J = � � � POC z ELECTRICAL ROOM INSIDE BUILDING Q U) � � J J J J W Q Q Q Q � � � � � W d d �.. � � O O O O N � � � c � � a a � � a 0 DRAWN XSPACE REVIEV►'ED T. YATES � �