1213 & 1215 S Birch St - Plan - Laserfiche WebLink

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PROJECT : PAGE : CLIENT : DESIGN BY : JOB NO. : DATE : REVIEW BY : INPUT DATA Exposure cate or (B, C or D, ASCE 7-16 26.7.3)B Importance factor (ASCE 7-16 Table 1.5-2)Iw = 1.00 for all Category V =95 mph, (152.89 kph) Kzt =1 Flat Building height to eave he = 9 ft, (2.74 m) Building height to ridge hr = 24 ft, (7.32 m) Building length L = 34 ft, (10.36 m) Building width, including overhangs B = 28.25 ft, (8.61 m) Overhang sloped width Oh = 0.5 ft, (0.15 m) A = 926 Yes ( 86.14 m 2 DESIGN SUMMARY Max horizontal force normal to buildin len th, L, fac = 8.86 kips, (39 kN), SD level (LRFD level), Typ. Max horizontal force normal to buildin len th, B, fac = 7.46 kips, (33 kN) Max total horizontal torsional load = 36.4522 ft-kips, (49 kN-m) Max total upward force = 15.59 kips, (69 kN) ANALYSIS Velocity pressure qh = 0.00256 Kz Kzt Kd Ke V2 =13.75 psf where: qh = velocity pressure at mean roof height, h. (Eq. 26.10-1 page 268) Kz = velocity pressure exposure coefficient evaluated at height, h, (Tab. 26.10-1, pg 268)= 0.70 Kd = wind directionality factor. (Tab. 26.6-1, for building, page 266)= 0.85 h = mean roof height = 16.50 ft Ke = ground elevation factor. (1.0 per Sec. 26.9, page 268)< 60 ft, [Satisfactory](ASCE 7-16 26.2.1) < Min (L, B), [Satisfactory](ASCE 7-16 26.2.2) Design pressures for MWFRS p = qh [(G Cpf )-(G Cpi )] where: p = pressure in appropriate zone. (Eq. 28.3-1, page 311). pmin =16 psf (ASCE 7-16 28.3.4) G Cp f = product of gust effect factor and external pressure coefficient, see table below. (Fig. 28.3-1, page 312 & 313) G Cp i = product of gust effect factor and internal pressure coefficient.(Tab. 26.13-1, Enclosed Building, page 271) = 0.18 or -0.18 a = width of edge strips, Fig 28.3-1, page 312, MAX[ MIN(0.1B, 0.1L, 0.4h), MIN(0.04B, 0.04L), 3] =3.00 ft Net Pressures (psf), Basic Load Cases Net Pressures (psf), Torsional Load Cases 46.72 0.00 46.72 (+GCp i ) (-GCp i )(+GCp i ) (-GCp i )(+GCp i ) (-GCp i ) 1 0.56 5.22 10.17 -0.45 -8.66 -3.71 1T 0.56 1.31 2.54 2 0.22 0.60 5.55 -0.69 -11.96 -7.01 2T 0.22 0.15 1.39 3 -0.43 -8.35 -3.41 -0.37 -7.56 -2.61 3T -0.43 -2.09 -0.85 4 -0.37 -7.56 -2.61 -0.45 -8.66 -3.71 4T -0.37 -1.89 -0.65 5 0.40 3.02 7.97 0.00 6 -0.29 -6.46 -1.51 1E 0.69 7.01 11.96 -0.48 -9.07 -4.12 (+GCp i ) (-GCp i ) 2E 0.29 1.46 6.41 -1.07 -17.18 -12.23 5T 0.40 0.76 1.99 3E -0.53 -9.73 -4.79 -0.53 -9.76 -4.81 6T -0.29 -1.62 -0.38 4E -0.48 -9.07 -4.12 -0.48 -9.07 -4.12 5E 0.61 5.91 10.86 6E -0.43 -8.39 -3.44 RAUL MARIN A.M. Roof angle  = G Cp f Net Pressure with G Cp f E.C. ADU Net Pressure with Effective area of components (or Solar Panel area) MARIN RESIDENCE Wind Analysis for Low-rise Building, Based on 2021 IBC/ASCE 7-16 Basic wind speed (ASCE 7-16 26.5.1 or 2021 IBC) Topographic factor (ASCE 7-16 26.8 & Table 26.8-1) 25-199 Surface Roof angle  = Net Pressure withG Cp f Surface Surface Roof angle  = ft2, <== Overhang? (Yes or No) Roof angle  = G Cp f Net Pressure with