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PROJECT : PAGE : <br />CLIENT : DESIGN BY : <br />JOB NO. : DATE : 12/30/25 REVIEW BY : <br />INPUT DATA <br />Exposure category (B, C or D)B <br />Importance factor I = 1.00 Category II <br />Basic wind speed V = 115 mph <br />Topographic factor Kzt =1 Flat <br />Building height to eave he =8 ft <br />Building height to ridge hr =13 ft <br />Building length L = 77.17 ft <br />Building width B = 41.07 ft <br />Effective area of components A = 10 ft2 <br />DESIGN SUMMARY <br />Max horizontal force normal to building length, L, face = 10.03 kips X 0.6= 6.02 kips (ASD) <br />Max horizontal force normal to building length, B, face = 6.52 kips X 0.6= 3.91 kips (ASD) <br />Max total horizontal torsional load = 83 ft-kips <br />Max total upward force = 49.30 kips <br />ANALYSISVelocity pressure <br />where: qh = velocity pressure at mean roof height, h. <br />Kh = velocity pressure exposure coefficient evaluated at height, h,= 0.70 <br />Kd = wind directionality factor =0.85 <br />h = mean roof height =10.50 ft <br />< 60 ft, [Satisfactory] <br />Design pressures for MWFRS <br />p = qh [(G Cpf )-(G Cpi )] <br />where: p = pressure in appropriate zone <br />G Cp f = product of gust effect factor and external pressure coefficient <br />G Cp i = product of gust effect factor and internal pressure coefficient <br /> =0.18 or -0.18 <br />a = width of edge strips, MAX[ MIN(0.1B, 0.4h), 0.04B,3] =4.11 ft <br />Net Pressures (psf), Basic Load Cases Net Pressures (psf), Torsional Load Cases <br />13.68 0.00 13.68 <br />(+GCp i )(-GCp i )(+GCp i )(-GCp i )(+GCp i )(-GCp i ) <br />1 0.48 5.95 13.20 0.40 4.43 11.68 1T 0.48 1.49 3.30 <br />2 -0.69 -17.53 -10.27 -0.69 -17.53 -10.27 2T -0.69 -4.38 -2.57 <br />3 -0.43 -12.36 -5.11 -0.37 -11.08 -3.83 3T -0.43 -3.09 -1.28 <br />4 -0.37 -11.10 -3.85 -0.29 -9.47 -2.22 4T -0.37 -2.78 -0.96 <br />1E 0.72 10.88 18.13 0.61 8.66 15.91 0.00 <br />2E -1.07 -25.18 -17.93 -1.07 -25.18 -17.93 <br />3E -0.62 -16.17 -8.92 -0.53 -14.30 -7.05 (+GCp i )(-GCp i ) <br />4E -0.55 -14.74 -7.49 -0.43 -12.29 -5.04 1T 0.40 1.11 2.92 <br />5 -0.45 -12.69 -5.44 -0.45 -12.69 -5.44 2T -0.69 -4.38 -2.57 <br />6 -0.45 -12.69 -5.44 -0.45 -12.69 -5.44 3T -0.37 -2.77 -0.96 <br />4T -0.29 -2.37 -0.55 <br />CASTILLO <br />Net Pressure withG Cp f <br />Wind Analysis for Low-rise Building <br />Roof angle q = <br />G Cp f <br />Net Pressure with <br /> <br />25-5096 <br />Surface <br />Roof angle q = <br />G Cp f <br />Net Pressure with <br />Surface <br />Roof angle q = <br />G Cp f <br />Net Pressure with <br />ENGINEERING <br />Surface <br />Roof angle q = <br />77