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LATERAL ANALISIS: <br /> <br />DEAD LOAD AT ROOF: <br /> <br />ROOF : 12.0 psf <br />CEILING __________________: 10.0 psf <br />INTERIOR WALL________________: 10.0 psf <br />EXT. WALL = 18 psf x 8’/2 x 2 : 7.86 psf <br /> 18.33’ <br /> 39.86 psf <br /> <br />SEISMIC LOAD = 0.205 x 69.86 psf = 8.17 psf <br /> <br />ROOF DIAPHRAGM: <br /> <br />SHEAR = 8.17 psf x 18.33’ x 20.17’ = 82 lbs < 280 x 0.75 = 210 lbs <br /> FT 2 x 18.33’ ft ft <br /> <br />USE: 15/32” OSB PLYWOOD WITH RADIANT BARRIER AND WITH W/8d COMMON <br />NAILS AT 6,6,12 O.C. <br /> <br />CHORD: <br /> <br />F = (8.17 psf x 18.33’) x 20.17’2 x 1 = 415 lbs <br /> 8 18.33’ ft <br /> <br />TRY: 2x4 IN TENSIÓN - CAPACITY = 675 psi x 1.5 x 3.5 = 3,544 lbs/ft > 415 lbs/ft OK <br /> (per NDS Table 4A) <br /> <br />USE: 2 – 2 x 4 TOP PLATES W/ LSTA30 AT LAP PLATES <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />HOLD - 2037 S Garnsey <br />St & #24/10/2025