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WEST <br />COAST j r Iir(mil 9540 Semiahmoo Parkway (425) 347-8998 <br />�I t <br />CJ TRUCTURAL' #137 wcse.net <br />ENGINEERING INC. Blaine, WA 98230 <br />FRONT / BACK ZONE ELEVATIONS <br />Not to Scale <br />h = 0.63 L = 0.8 zone: ( R ) Roof or ( W ) Wall zone <br />L B <br />B = <br />L = <br />40 <br />Horizontal dimension of building, in feet, measured perpendicular to wind direction <br />Horizontal dimension of building, in feet, measured parallel to wind direction <br />32 <br />Diaphragm <br />zone <br />Windward <br />Cp <br />Leeward <br />Cp <br />zone <br />Total Area <br />Design Wind Pressure, psf <br />Wind Force on Area <br />z ft <br />qz <br />(sq. ft) <br />windward <br />leeward <br />"total <br />(kips) <br />R <br />0 <br />-0.6 <br />20 <br />16.3 <br />252 <br />0.0 <br />-8.3 <br />3.2 <br />0.81 <br />W <br />0.8 <br />-0.5 <br />20 <br />16.3 <br />202 <br />11.1 <br />-6.9 <br />18.0 <br />3.64 <br />Roof <br />- <br />- <br />- <br />0.0 <br />0.00 <br />- <br />0.0 <br />0.00 <br />- <br />- <br />- <br />0.0 <br />0.00 <br />Minimum Wind Force <br />Total Area = <br />454 <br />Min Wind Pressure 10 psf <br />4.54 <br />W <br />0.8 <br />-0.5 <br />20 <br />16.3 <br />359 <br />11.1 <br />-6.9 <br />18.0 <br />6.48 <br />2nd Floor <br />- <br />- <br />- <br />0.0 <br />0.00 <br />- <br />- <br />0.0 <br />0.00 <br />Minimum Wind Force <br />Total Area = <br />359 <br />Min Wind Pressure 10 psf <br />3.59 <br />Windward Design Pressure = gGCp - gi(Gcpi) <br />813 <br />Total Wind Force: 10.93 <br />q = qz, velocity pressure @ wall height Min. Wind Pressure Controls? : NO <br />Leeward (and all roof) Design Pressure = gGCp - gi(Gcpi) ASD Design Value 8.13 <br />q = qh, velocity pressure @ mean roof height <br />Note: Internal pressures cancel each other out per Figure 6-5, Note #3 for global shear method <br />Combine loads per ASCE CASE 1 Figure 6-9 <br />'total roof pressures are projected onto vertical surface of structure <br />Summary <br />Direction <br />Seismic Force <br />Wind Force <br />Remarks <br />Front / Back <br />5.68 <br />8.13 <br />Wind Controls <br />Side / Side <br />5.68 <br />5.68 <br />Wind Controls <br />Project: W4861 Sheet No: 11 9/13/2023 <br />