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ENGINEERING LETTER <br />K2 Systems <br />2835 La Mirada Dr, Suite <br />A Vista, CA 92081 <br />TEL: (760) 301-5300 <br />Attn.: Everest Solar - Engineering <br />DepartmentRe: Report # 20-02753vHG.02 – K2 Systems CrossRail - 44-X Dual Rail System for Gable and Hip <br />Roofs Subject: Engineering Certification for the State of California <br />Building <br />Codes: <br />1. ASCE/SEI 7-16, Minimum Design Loads for Buildings and Other Structures, by <br />American Society of Civil Engineers <br />2. 2022 California Building Code, by California Building Standards Commission <br />3. 2021 International Building Code, by International Code Council, Inc. <br />4. 2021 International Residential Code, by International Code Council, Inc. <br />5. AC428, Acceptance Criteria for Modular Framing Systems Used to Support Photovoltaic <br />(PV) Panels, November 1, 2012 by ICC-ES <br />6. Aluminum Design Manual 2020, by The Aluminum Association, Inc. <br />7. ANSI/AWC NDS-2018, National Design Specification for Wood Construction, by the <br />American Wood <br />Council <br />Design <br />Criteria: <br />Risk Category II <br />Seismic Design Category = A - E <br />Exposure Category = B, C & D <br />Basic Wind Speed (ultimate) per ASCE 7-16 = 95 mph to 200 <br />mph Ground Snow Load = 0 to 100 (psf) <br />This letter certifies that the loading criteria and design basis for <br />the K2 Systems CrossRail Span Tables are <br />in compliance with the above codes. <br />If you have any questions on the above, do not hesitate to <br />call. <br />October 7, <br />2021 <br />PZSE, Inc. – Structural Engineers has provided engineering and span tables for the K2 Systems CrossRail, as presented <br />in PZSE Report # 20-02753vHG.02, "Engineering Certification for the K2 Systems CrossRail - Dual Rail System for Hip <br />and Gable Roofs". All information, data, and analysis therein are based on, and comply with, the following building <br />codes and typical specifications: <br />REENI <br />IGER <br />LARUTCURTS AINROFILACFOETAST <br />G <br />EN <br />LANOISSEFORP <br />E <br />DRETS EHCAZHTENEKL <br />N <br />AP <br />Exp. <br />3-31-25 <br />No. <br />S3878 <br />R <br />U <br />DIGITALLY <br />SIGNED <br />Prepared by: <br />PZSE, Inc. – Structural <br />Engineers Roseville, CA <br />1613 E Buffalo Ave <br />07/17/23