Laserfiche WebLink
Orie 2 Engineering Project No. : DATE : <br />Structural & Bridge Engineers <br />9750 Miramar Road, Suite 310 Phone # : (858) 335-7643 PROJECT : BY : ESY <br />San Diego, CA 92126 www.orie2.com <br /> Solar Panel Mount: Solar Mechanical Attachments to Roof <br />Fastener Information: APA Wood (Engineering Wood Association) <br />Fastener Type:#14 Wood Screws <br />Total Number of Screws:8 Screw(s) <br />Withdrawal Design Value, Wult:350 lbs <br />Load Duration Factor, Cd:1.6 <br />Safety Factor =5 <br />W' = Wult * Cd / Ω <br />= 350 lbs * 1.6 <br />W' = 112.0 lbs <br />Shear Design Value, Z:670 lbs <br />Z' = Zult * Cd / Ω <br />= 670 lbs * 1.6 / 5 <br />Z' = 214.4 lbs <br />Tension Capacity, Tallow: 112.0 lbs / Screw Tension Capacity for (1) Screw <br />Shear Capacity, Vallow: 214.4 lbs / Screw Shear Capacity for (1) Screw <br />02/14/24 <br />BRIDGEORIE2 <br />STRUCTURAL <br />Page 28 <br />Check Vertical Screws <br /> <br />T = 350 lbs / 8 screws = 44 lbs <br /> <br /> T / T allow = 44 / 112 = 0.39 < 1.0 OKAY <br /> <br />Check Diagonal Screws <br /> <br />V = 192 lbs / 2 screws = 96 lbs <br />T screw = 96 lbs / Cos(30) = 111 lbs <br /> <br /> T / T allow = 111 / 112 = 0.99 < 1.0 OKAY <br />2130 N Grand Ave <br />10/1/2024