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7.0 Design Loads - Seismic (Cont.): <br />7.4 Vertical Seismic Force Check: <br />Mechanical attachments may be required for several reasons including building code, roof load limits and array shape. The table <br />below provides the mechanical attachment requirements for each sub-array within this project. <br /> <br />Nomenclature: <br />WP = Sub-Array Weight <br />FPV = Vertical Seismic Force <br />FRV = Vertical Seismic Resisting Force <br /> <br />Array Information Vertical Force Verification Results <br />Sub- <br />Array <br />Name <br />WP <br />(lbs.) <br />FPV <br />(lbs.) <br />FRV <br />(lbs.) <br />0.7 FPV - <br />FRV (lbs.) <br />MA's <br />Required <br />Total MA <br />Capacity <br />(lbs.) <br />Total <br />MA's <br />Provided <br />Acceptable <br />1.1 31,077 6,345 18,646 -14,205 0 4,440 17 Yes <br />1.2 24,544 5,011 14,726 -11,219 0 3,520 14 Yes <br />1.3 36,075 7,365 21,645 -16,489 0 6,929 20 Yes <br />1.4 29,997 6,124 17,998 -13,711 0 5,405 16 Yes <br />Total: <br />121,693 <br />lbs.24,845 lbs.73,016 lbs.-55,624 lbs.0 20,294 67 <br /> <br />Table7.2 - Summary of Mechanical Attachment Requirements <br />* MA's Required = 0.7 FPV - FRV/MA strength <br />05/24/2024 <br />APPROVED FOR CONSTRUCTION <br />15 <br />PanelClaw, Inc., 1600 Osgood Street, Suite 2023, North Andover, MA 01845 <br />(978) 688.4900 - www.panelclaw.com <br />1895 & 1995 S Standard <br />Ave1/7/2025