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<br /> <br /> <br />October 25, 2023 <br />Sunpower Corporation <br />77 Rio Robles <br />San Jose, CA 95134 <br /> <br /> <br /> <br />Attn.: To whom it may concern, <br /> <br /> <br />Subject: Job 17-041869 PH25 : InvisiMount Solar PV Module Mounting System – 3 rd Party Attachment <br />Compatibility <br /> <br />PZSE, Inc.-Structural Engineers has evaluated the SunPower InvisiMount Solar PV Mounting System and <br />Unirac Flashloc Comp and Flashloc Duo roof attachments and certifies that these roof attachments are <br />compatible with the InvisiMount Solar PV Mounting System. This assumes that the connections and <br />associated hardware are installed per the manufacturer’s installation specifications (except as noted <br />below). <br /> <br />All information, data, and analysis contained within are based on, and comply with, the following <br />building codes and typical specifications: <br /> <br />Building Codes: <br />1. Minimum Design Loads for Buildings and other Structures, ASCE 7-10 & ASCE 7-16 <br />2. 2012, 2015, & 2018 International Building Code, by International Code Council, Inc. <br />3. 2010 & 2015 Aluminum Design Manual, by The Aluminum Association <br />4. CPP Wind Tunnel report number 9790, dated 16 February 2017. <br />5. SEAOC PV-2, 2017 <br />6. 2012, 2015 & 2018 NDS, National Design Specification for Wood Construction, by the American <br />Wood Council <br />7. UL 2703 Testing report for PV solar panels. <br />8. AC428, Acceptance Criteria for Modular Framing Systems Used to Support Photovoltaic (PV) <br />Panels, November 1, 2012 by ICC-ES <br /> <br />Attachment Compatibility: <br />1. The Unirac Flashloc Comp and Flashloc Duo attachments are confirmed to be compatible with the <br />InvisiMount system. <br /> <br />2. The InvisiMount rail attaches to the vertical of the approved roof attachment. The aforementioned <br />attachments must be installed with the following: <br /> M10 hex bolt. <br /> (or) the 3/8”- 16 T-Bolt supplied with Unirac Flashloc. <br /> <br /> <br />1222 S Sycamore St - <br />201824905/3/2024