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SHEET: 6 OF 7 <br />DATE: <br />DE JOB NO.: <br />CHECK SCREW ATTACHMENTS FOR WIND UPLIFT <br />Pwuplift = 257.4 lb 5/16" Lag with min 2.5" penetration for each attachment <br />Table 12.2A - NDS - Lag Screw Withdrawal Values <br />For 5/16" Lag into .5G wood 266 lb <br />Allowable wind load = 1.6*2.5*266 1064 lb > 257.4 lb OK <br />CHECK SCREW ATTACHMENTS FOR SHEAR DUE TO SEISMIC Fp <br />Fp = 48.58 lb <br />Roof slope/module tilt 26 deg <br />Shear = Fp*cos(26 ) = 43.7 lb Fp sin(ang) <br />Tension = Fp*sin(26 ) = 21.3 lb <br />Fp cos(ang) <br />Table 11K - NDS Z =190 lb <br />CD =1.6 ` <br />Z' = Z*CD =304 lb >43.66 lb OK Withdrawal capacity W' = 1064 lb <br />Interaction Equation ft/Ft+fv/Fv 0.262 +0.144 = 0.406 < 1 OK <br />RAIL SPAN CHECK <br />Everest Railing Check - Gable/Hip Roof <br />Load for half a panel = 2.7' <br />W = 57.78 plf <br />Per the Everest Engineering for 110 mph, 0 psf snow, and 26 deg roof slope, the max span <br />for Crossrail48-X is 106" for Array Interior Panels and 76" for Array Array Edge panels <br />Use Crossrail48-X PV Rails with a spacing of 72" o.c. max for attachment points, typ. <br />PROJECT: <br />CLIENT: <br />BY: <br />PV Panels for Maia Huntington <br />SunLux <br />Doug Engineering <br />5/2/2023 <br />SLE-4883 <br />1621 W Avalon <br />Ave08/07/23