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5.0 Design Loads - Wind (Cont.): <br />5.1.2 Global Wind Shear Summary Table: <br /> <br />Mechanical attachments may be required for several reasons including building code, roof load limits and array shape. The <br />table below provides the mechanical attachment requirements for each sub-array within this project. <br /> <br /> Applied Load Resisting Load Code Check <br />Sub- <br />Array <br />Name <br />FL-D = <br />Wind <br />Uplift <br />(lbs.) <br />FD = <br />Wind <br />Drag <br />(lbs.) <br />DL = <br />Total <br />Dead <br />Load <br />(lbs.) <br />Maximum <br />Allowable <br />Mechanical <br />Attachment <br />Strength (lbs.) <br />Total MA <br />Capacity <br />(lbs.) <br />Check <br />Calculated <br />Factor of <br />Safety* <br />Check <br />1.1 9,489 3,261 31,077 650 11,050 5.18 OK <br />1.2 7,876 2,807 24,544 650 9,100 4.92 OK <br />1.3 10,642 3,607 36,075 650 13,000 5.40 OK <br />1.4 9,176 3,093 29,997 650 10,400 5.16 OK <br />Total:37,183 lbs.12,768 lbs.121,693  43,550 lbs. <br />Table 5.2 Summary of Mechanical Attachment Requirements <br />* Back calculated factor of safety provided to determine factor of safety applied to dead load in lieu of 0.6 in ASCE7 equation 7, BACK <br />CALCULATED FACTOR OF SAFETY = (DEAD LOAD+MECHANICAL ATTACHMENT)/(((.6)WIND DRAG /FRICTION)+(.6)WIND <br />UPLIFT) <br />05/24/2024 <br />APPROVED FOR CONSTRUCTION <br />10 <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