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pOQ EcoFasten® ECOFASTEN SOLAR LLC <br /> a D 4141 W.VAN BUREN ST.,SUITE 2 877-859-3947 <br /> p <br /> AN ENSTALI- COMPANY PHOENIX,AZ 85009 INFO@ECOFASTENSOLAR.COM <br /> March 27th, 2024 <br /> EcoFasten <br /> 4141 West Van Buren St. <br /> Phoenix,AZ 85009 <br /> Attn.: EcoFasten Solar Engineering Department <br /> Re: Report#7.16-Rocklt_CS-SS EcoFasten Rocklt System,with Comp Slide or Smart Slide, <br /> Certification for Gable and Hip roofs. <br /> This letter certifies the loading criteria and design basis used for the structural analysis of the <br /> EcoFasten - Rocklt System as shown in Report#7.16-Rocklt_CS-SS "Engineering Certification for the <br /> EcoFasten - Rocklt System with Comp or Smart Slide for Gable and Hip Roofs". All information, data, <br /> and analysis therein are based on, and comply with, the following building codes and typical <br /> specifications. The Span Tables provided in the referenced report may be used when all <br /> assumptions listed therein are met. <br /> Building Codes: <br /> 1. ASCE/SEI 7-16, Minimum Design Loads for Buildings and Other Structures, by American <br /> Society of Civil Engineers <br /> 2. 2021 Washington State Building Code, Based on 2021 International Building Code <br /> 3. 2021 Washington State Residential Code, Based on 2021 International Residential Code <br /> 4. SEAOC(Structural Engineer Association of California) report PV2-2017 Wind Design for Solar <br /> Arrays <br /> 5. AC428,Acceptance Criteria for Modular Framing Systems Used to Support Photovoltaic (PV) <br /> 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 American <br /> Wood Council <br /> Please note our evaluation only applies to EcoFasten products and excludes the structural adequacy <br /> of the chosen roof attachments, PV modules, or underlying roof supporting members. It shall be the <br /> responsibility of the installer or system designer to verify the structural capacity and adequacy of the <br /> referenced system components with respect to the applied or resultant loads of the chosen array <br /> configuration. <br /> Sincerely, <br /> Matthew S Kuzila, P.E. <br /> Sealed 03.27.2024 <br />