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Date :10/29/2020 <br /> ®Current Job Code:Trudeau, Margie <br /> tl <br /> Renewables 3 of 6 <br /> Engineering <br /> E' (psi) =I 1600000 <br /> Load Calculation: <br /> Dead Load Calculations: <br /> Panels Dead Load (psf)= 3.0 <br /> Roof 1 <br /> Roofing Weight(psf)= 3.0 <br /> Decking Weight(psf)= 2.0 <br /> Framing Weight(psf)= 1.6 <br /> Misc.Additional Weight(psf)= 1.0 <br /> Existing Dead Load (psf) = 7.6 <br /> Total Dead Load (psf)= 10.6 <br /> Wind Load Calculations: <br /> Ultimate Wind Speed (mph) = 145 <br /> Directionality Factor, kd = 0.85 <br /> Topographic Factor, kzt= 1.0 <br /> Roof 1 <br /> Velocity Press Exp Factor, kz= 0.85 <br /> Velocity Pressure, qz(psf)= 38.8 <br /> External Pressure Up, GCp_1= -0.85 <br /> External Pressure Up, GCp_2= -1.55 <br /> External Pressure Up, GCp_3= -2.45 <br /> External Pressure Down, GCp= 0.45 <br /> Design Pressure Up, p_1 (psf) = -33.0 <br /> Design Pressure Up, p_2 (psf) = -60.2 <br /> Design Pressure Up, p_3 (psf) = -95.2 <br /> Design Pressure Down, p (psf)= 17.5 <br /> Hardware Checks: <br /> Las Screw Checks: <br /> Roof 1 <br /> Ref.Widthrawal Value,W(lb/in)= 266 <br /> (CM=Ct=Ceg= 1.0) CI)= 1.6 <br /> Adjusted Widthrawal Value,W' (Ib/in)= 426 <br /> Lag Penetration, p (in.)= 2.5 <br /> Allowable Widthrawal Force, W'p (Ibs)= 1064 <br /> Applied Uplift Force (Ibs) = -198 <br /> Uplift DCR= 0.19 <br /> 1960 Chicago Ave,Suite D15,Riverside,CA 92507 <br /> www.currentrenewableseng.com 1 951.254.5655 <br /> INTEGRITY I PROFESSIONALISM I CUSTOMER EXPERIENCE <br />