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Design Loads at Strap <br />Panel Area Apanel = <br />Panel Tilt w = <br />Panel Dead Load DL = <br />Case 1: (Reinforced Tiedown, Z3 Exposed, Z2 Exposed) <br />Max Wind Uplift WL = <br />Tributary Area TA = Apanel / 2 = <br />Wind Uplift Fy_W = ( (PWL * cos(w)) - 0.6DL ) * TA = <br />* Case 2 will govern as larger tiedown will mostly eliminate <br />Check Min. Thickness of Solarstrap <br />Strap Width, W = <br />Distance to Stud, d = <br />P = Fy_Strap = <br />M = d * P = <br />Fy / Ω= <br />DCR = <br />NS STRUCTURAL ENGINEERING, INC <br />Target 1441 W. 17th St. Santa Ana Solar Rooftop Project <br />27.8 ft² <br />10° <br />2.8 psf <br />MADE BY: JL <br />4642 Rockland Place La Canada <br />Flintridge, CA 91011 <br />CHECKED BY: NS <br />PAGE NO. <br />13.9 ft² <br />121.5 lbs <br />11.8 psf <br />3.00 in <br />2.00 in <br />124.5 lbs <br />249.1 lb-in <br />28,000 psi <br />t = √(4 * M ) = 0.109 in 0.125 inFy * W <br />0.87 <br />Therefore, 1/8" x 3" Wide Strap is Adequete <br />1441 W 17th St - 101115926 & <br />20180369 <br />11/16/2023