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CITY OF SANTA ANA <br />Planning and Building Agency <br />Approved <br />PERNiff 15fiUANCE <br />DATE: <br />JOB No: <br />Master . <br />Wind Load Calculation (2022 CBC) Date: <br />Basic Wind Speed = 95 mph (from ATC Hazards by Location) <br />Exposure = C <br />Risk Category = 11 <br />hmean = 10.8 ft <br />n <br />Roof slope = <br />4 12 = <br />0.4hmean = <br />4.3 <br />ft <br />Least horizontal dimension, b = <br />43.8 <br />ft <br />0.1 b = <br />4.4 <br />ft <br />End Zone dimension, a = Lesser <br />of <br />(0.4hmaan or 0.1 b) and Min. 3 ft. <br />= <br />4.3 <br />ft <br />Length of end zone, 2a = <br />8.7 <br />ft <br />Topographic Factor KZ, = <br />1.00 <br />Adjustment factor X = <br />1.21 <br />Ps = X x Kz1 x ps30 <br />d = 43.8 ft (Trans.) <br />b = 49.5 ft (Long.) <br />A = 1,871 ft' <br />18.43 ° <br />Roof HT = <br />Wall HT = <br />h, = <br />(ASCE 7, 28.5.3) <br />(ASCE 7, 26.8) <br />(ASCE 7, Figure 28.5-1) <br />17.2 ft <br />9.0 ft <br />10.6 ft <br />Roof Slope (°) <br />p <br />Lon <br />Trans <br />Long <br />Trans <br />15 <br />20 <br />ps3o <br />ps (psf) <br />Area <br />Area <br />P <br />P <br />Zone A <br />18.0 <br />19.8 <br />19.2 <br />23.3 <br />78 <br />43 <br />1,816 <br />990 <br />Zone B <br />-6.0 <br />-5.2 <br />-5.5 <br />-6.6 <br />71 <br />0 <br />(467) <br />0 <br />Zone C <br />12.0 <br />13.2 <br />12.8 <br />15.5 <br />368 <br />530 <br />5,709 <br />8,225 <br />Zone D <br />-3.4 <br />-2.9 <br />-3.1 <br />-3.7 <br />334 <br />0 <br />1,236 <br />0 <br />Zone E <br />-17.2 <br />-17.2 <br />-17.2 <br />-20.8 <br />190 <br />190 <br />-3,945 <br />-3,945 <br />Zone F <br />-11.2 <br />-12.0 <br />1 -11.7 <br />-14.2 <br />190 <br />190 <br />-2,696 <br />1 -2,696 <br />Zone G <br />-12.0 <br />-12.0 <br />-12.0 <br />-14.5 <br />894 <br />894 <br />-12,983 <br />-12,983 <br />Zone H <br />-8.6 <br />-9.1 <br />-8.9 <br />-10.8 <br />894 <br />894 <br />-9,675 <br />-9,675 <br />Zone EoH <br />-24.1 <br />-24.1 <br />-24.1 <br />-29.2 <br />13 <br />13 <br />-379 <br />-379 <br />Zone GoH <br />-18.8 <br />-18.8 <br />-18.8 <br />-22.8 <br />61 <br />61 <br />-1,395 <br />-1,395 <br />Wind Load <br />fibs) : <br />HTrans = <br />9,215 Ibs <br />HLong = <br />5,823 lbs <br />Vwind = <br />-31,073 Ibs <br />0.9 x Total DL = <br />42,516 Ibs <br />VTrans = 133 lb/ft <br />VLonq = 186 lb/ft <br />> 0.6 x W ind = 18,644 Ibs <br />(O.K.) (No holddown need due to wind on the roof.) <br />Horiz. <br />Horiz, <br />Horiz. <br />Horiz. <br />Vert. <br />Vert. <br />Vert. <br />Vert. <br />Vert. <br />Vert. <br />