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WEST <br /> COAST ! , i 1 9540 Semiahmoo Parkway (425)347-8998 <br /> STRUCTURAL t <br /> Js #137 wcse.net <br /> ENGINEERING,INC. Blaine,WA98230 <br /> 252 <br /> i .3 <br /> 202 <br /> I( I <br /> 359 i ;i <br /> l <br /> l' V_J <br /> i IJ <br /> i <br /> FRONT I 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 = 40 Horizontal dimension of building, in feet, measured perpendicular to wind direction <br /> L= 32 Horizontal dimension of building, in feet, measured parallel to wind direction <br /> Windward Leeward zone Total Area Design Wind Pressure, psf Wind Force on Area <br /> Diaphragm zone Cp Cp z (ft) qz (sq. ft) windward leeward total (kips) <br /> R 0 -0.6 20 16.3 252 0.0 -8.3 3.2 0.81 <br /> W 0.8 -0.5 20 16.3 202 11.1 -6.9 18.0 3.64 <br /> Roof - - - 0.0 0.00 <br /> - - 0.0 0.00 <br /> - - - 0.0 0.00 <br /> Minimum Wind Force Total Area= 454 Min Wind Pressure 10 psf 4.54 <br /> W 0.8 -0.5 20 16.3 359 _ 11.1 -6.9 18.0 6.48 <br /> 2nd Floor - - - 0.0 0.00 <br /> - - - 0.0 0.00 <br /> Minimum Wind Force Total Area= 359 Min Wind Pressure 10 psf 3.59 <br /> Windward Design Pressure = qGCp-qi(Gcpi) 813 Total Wind Force: 10.93 <br /> q =qz, velocity pressure @ wall height Min. Wind Pressure Controls? : NO <br /> Leeward (and all roof) Design Pressure= qGCp -qi(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 Seismic Force Wind Force Remarks <br /> Front/ Back 5.68 8.13 Wind Controls <br /> Side/Side 5.68 5.68 Wind Controls <br /> Project: W4861 Sheet No: 11 9/13/2023 <br />