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Equipment 5 Design Loads <br /> Tank Geometry <br /> Dtank2°-75.5 in diameter <br /> htank2°=190.62 in height <br /> COG2:=80.83 in height of center of gravity <br /> Dead Load <br /> gpipe'-293.7 lbf weight of pipe (20" Sch. 40) including contents <br /> ft <br /> Lpipe:=4.5 ft length of pipe tributary <br /> Eat2e`=5198.7 lbf+gpipe*Lpipe=6520.35 lbf Height of empty tank <br /> Tat2F`=23000 lbf+gpipe'L pipe=24321.65Ibf weight of full tank <br /> Snow Load <br /> The snow load will be included in this design as well. Per the City of Everett, the minimum <br /> design snow load is 25 psf. <br /> S:=25 psf snow load per City of Everett <br /> Wind Load <br /> Forces imparted on the tanks by the wind will be determined in the ASCE 7 as permitted by IBC <br /> Section 1609.1.1. The provisions for the tanks will therefore be determined using Chapters 26 <br /> and 29. See the calculations below. <br /> V:=109 mph basic wind speed per Figure 26.5-1B <br /> 8 exposure category per Section 26.7 <br /> G:=0.85 gust effect factor per Section 26.11.4 <br /> Kz:=0.57 velocity pressure exposure coefficient per Table 26.10-1 <br /> K t :=1.13 topographic factor per <br /> Kd:=0.95 wind directionality factor per Table 26.6-1, <br /> Footnote a <br /> e:=1 ground elevation factor per Section 26.9 <br /> 2 <br /> V <br /> qZ:=0.00256•KZ Kzt Kd-K ' m hT� psf=18.6 psf velocity pressure per Equation 26.10-1 <br /> P <br /> Cf:=0.6 force coefficient per Figure 29.4-1 <br /> Ftank2i=gz'C'-Cf (Dtank2'htank2,=949 lbf design wind force on tank per Equation 29.4-1 <br /> tit2w`=Ftank2'COG2=6.3898 kip ft overturning moment on tank <br /> _� <br /> project 2405-0007 date 2/25/2025 <br /> PSE Peterson Structural Engineers,Inc.www.psengincers.com designer TJC sheet 14 of 46 <br /> S E <br />