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project Herem Residence <br /> Degenkolb Deck Design <br /> by TSL job no. page no. <br /> com date 1/20/2023 1 <br /> Design Criteria <br /> Project Scope <br /> The following calculations have been prepared by Degenkolb for the covered deck expansion at the Herem Residence. <br /> General Criteria Applicable Building Code: 2018 IRC Risk Category: II <br /> Governing Jurisdiction: <br /> Project Location: 4106 Cliff Drive, Everett, WA 98203 <br /> Latitude: +47.96176 Degrees North <br /> Longitude: -122.24069 Degrees West <br /> Degenkolb Engineers [ASCE 7-16, Sect 2.4] <br /> Basic Combinations[2.4.1] Special Seismic Combinations without Overstrength Factor[2.4.5)] <br /> 1. D 8. (1.0+0.14Sos)D+ 0.7pQE <br /> 2. D+L 9. (1.0+ 0.105S Ds)D+0.525 p Q E +0.75L+ 0.75S <br /> 3. D+ (Lr orSorR) 10. (0.6-0.14S Ds)D+0.7 p Q E <br /> 4. D+ 0.75L+0.75(L r orSorR) <br /> 5. D+ (0.6W) Special Seismic Combinations with Overstrength Factor <br /> 6. D+0.75L+ 0.75(0.6W)+0.75(L r orSorR) 8. (1.0+ 0.14SDs)D+ 0.7S2oQE <br /> 7. 0.6D+0.6W 9. (1.0+ 0.105S Ds)D+0.5251 20 QE +0.75L+0.75S <br /> 10. (0.6-0.14Sos)D+0.7S20QE <br /> Deck Roof Cover Roofing (Comp Shingles) = 5.3 <br /> Sheathing (1/2"SP) = 1.6 <br /> Framing (2x6 @ 12"cc) = 3.9 <br /> Miscellaneous (Mech, Elect, Sprinklers, Etc) = 0.2 <br /> Total Dead Load (DL Factored for 4:12 Slope) D = 11.0 psf <br /> Roof Live Load Reduced for slope L(r) = 20.0 psf <br /> Deck Flooring (1x Decking) = 2.3 <br /> Framing (2x12 @ 12"cc) = 4.4 <br /> Miscellaneous = 0.3 <br /> Total Dead Load D = 7.0 psf <br /> Deck Live Load Reducible L = 60.0 psf <br />