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AOstructures Inc. <br />PO Box 413 <br />Carnelian Bay, CA 96140 <br />916.541.8586 <br />www.AOstructures.com <br />Unobstructed, Slippery Roof Surface?no <br />Roof Slope 0 degrees <br />Risk Category II <br />Assumed Roof R value ≤R-20 <br />3.0 psf <br />(ASCE7 - Eq 7.3-1) <br />1.00 (ASCE7 - Table 7.3-1) <br />1.20 (ASCE7 - Table 7-3.3) <br />2.5 psf <br />(ASCE7 - Eq 7.4-1) <br />1.00 (ASCE7 - Fig. 7.4-1) <br />2.5 psf (LRFD) <br />3.0 psf (ASCE 7.3.3 & Table 7.3-4) <br />3.0 psf (pmin governs) (LRFD) <br />2.1 psf <br />SNOW LOADS <br />Roof Snow Load Calculations (ASCE 7-22) <br />pg = Ground Snow Load = <br />pf = 0.7 Ce Ct pg <br />Ce = Exposure Factor = <br />Ct = Thermal Factor = <br />pf = Flat Roof Snow Load = <br />ps = Cspf <br />Cs = Slope Factor = <br />Design Roof Snow Load (ASD) <br />ps = Sloped Roof Snow Load = <br />pmin = Minimum Roof Snow Load = <br />Design Roof Snow Load (LRFD) = <br />1671 - Westridge Labs, Santa Ana, CA.xlsx 7