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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 FPL - <br />FRL (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 11,686 2,446 7,011 -5,300 0 6,328 17 Yes <br />1.2 9,096 1,904 5,457 -4,125 0 9,838 20 Yes <br />Total:20,781 lbs.4,349 lbs.12,469 lbs.-9,424 lbs.0 16,166 37 <br /> <br />Table 7.2 - Summary of Mechanical Attachment Requirements <br />* MA's Required = 0.7 FPV - FRV/MA strength <br />05/02/2025 <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