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De enkob <br /> Job: Wise Residence Job Number: C0B29040.00 Date: 3/8/2021 <br /> Fire Damage Repair By: CET Section: <br /> Checked by: Page: 2 <br /> Design Criteria <br /> Attic Floor Sheathing (3/4"SP) = 2.3 <br /> Framing (2x6 @ 16"cc) = 0.0 <br /> Insulation (R-19) = 1.5 <br /> Ceilings (Suspended/Gyp) = 2.8 <br /> Miscellaneous (Mech, Elect, Sprinklers, Etc) = 1.5 <br /> Total Dead Load D = 8.1 psf <br /> Attic Floor Live Load....Reducible L = 30.0 psf <br /> Second Floor Flooring (Hardwood) = 4.0 <br /> Sheathing (3/4"SP) = 2.3 <br /> Framing (2x10 @ 16"cc) = 2.8 <br /> Insulation (R-19) = 1.5 <br /> Ceilings (Suspended/Gyp) = 2.8 <br /> Miscellaneous (Mech, Elect, Sprinklers, Etc) = 1.5 <br /> Total Dead Load D = 14.9 psf <br /> Second Floor Live Load Reducible L = 40.0 psf <br /> Snow Loads ASCE 7-10(7.3) Ground Snow Load, p g = 25.0 psf I(Snow) = 1.00 <br /> Exposure Factor(C e)= 0.90 Thermal Factor(C t)= 1.00 <br /> Slope Factor(C s)= 0.91 For 8:12 Roof <br /> Flat Roof:Slope<_5 degrees p f =0.7xC e xC t x I x p g = 0.63 x 25.0 psf < 20.0 psf <br /> Sloped Roof. Slope>5 degrees Ps = Cs x p f= 0.91 x 20.0 psf = 18.2 psf <br /> Snow Density y = 0.13 x p g + 14= 0.13 x 25.0 psf + 14.0 = 17.3 pcf <br /> Equivalent depth h b = p f/ y= 20.0 psf / 17.3 pcf = 1.2 ft <br /> Note:Minimum ground snow load per Everett City. Since roof is>30.2 degrees, unbalanced snow loads <br /> need not be considered. <br />