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WEST 1624 Grove Street (425)347-8998 <br /> COAST <br /> STRUCTURAL Suite D2 wcse.net <br /> ENGINEERING,INC. Marysville,WA 98270 <br /> 415 <br /> 273 <br /> E _ <br /> 521 <br /> Vy ZONE ELEVATIONS <br /> Not to Scale <br /> h = 0.31 L _ = 1.02 zone: ( R ) Roof or( W ) Wall zone <br /> L B <br /> B = 47 Horizontal dimension of building, in feet, measured perpendicular to wind direction <br /> L = 48 Horizontal dimension of building, in feet, measured parallel to wind direction <br /> Windward Leeward zone Total Area Design Wind Pressure, psf Force Min. Force <br /> Diaphragm zone C Cqz (sq. ft) windward leeward *total (kips) <br /> P P z (ft) ( P ) <br /> R 0.2 -0.6 25 17.4 415 3.0 -7.7 4.1 1.69 3.32 <br /> W 0.8 -0.5 20 16.3 273 11.1 -6.4 17.5 4.77 4.37 <br /> Roof - - - 0.0 0.00 0.00 <br /> - - - 0.0 0.00 0.00 <br /> - - - 0.0 0.00 0.00 <br /> Compare Min w/calculated: Total Area= 688 Roof Total Wind Force(kips) 6.46 7.69 <br /> W 0.8 -0.5 15 15 521 10.2 -6.4 16.6 8.64 8.34 <br /> 2nd Floor - - - 0.0 0.00 0.00 <br /> - - - 0.0 0.00 0.00 <br /> Compare Min w/calculated: Total Area= 521 2nd Floor Total Wind Force(kips) 8.64 8.34 <br /> Windward Design Pressure = qGCp-qi(Gcpi) 1209 Total Wind Force: 16.02 <br /> q = qz, velocity pressure @ wall height Factored Force (0.6*W): 9.61 <br /> Leeward (and all roof) Design Pressure = qGCp - qi(Gcpi) Min. Wind Pressure Controls? : YES <br /> q = qh, velocity pressure @ mean roof height ASCE 27.1.5 Minimum Design Loads: <br /> Note: Internal pressures cancel each other out per Table 26.11-1 note 3. Roof: 8 psf <br /> Combine loads per ASCE Figure 27.4-1 Wall: 16 psf <br /> *total roof pressures are projected onto vertical surface of structure <br /> Summary (Loads are factored per ASCE 2.4.1) <br /> Direction Seismic Force Wind Force Remarks <br /> Vy 8.93 9.61 Wind Controls <br /> Vx 8.93 8.87 Seismic Controls <br /> Project: W4371 Sheet No: 27 9/5/2017 <br />