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Project: SE01845A Cascade HS WT <br />Date: 6-25-2019 <br />By: JH <br />Handrail Welded Connection to Walkway Platform <br />Critical Support Reactions per Risa-313 output: <br />X:=4021b Y•:=2501b M:=11671b•ft <br />N - d3 x - - h- - x7 <br />- <br />S = 2bd+ d2 _ d2(2b + d) <br />( ) <br />b+2 b2� <br />�W - <br />X 2(b + d) d <br />--t <br />Top Bottom <br />12 (b + 2d) <br />b:=2.5 in d:=3 in p:=b+2•d=8.5 in <br />d2 •(2•b+d) _ <br />Sw:= -4.364 in <br />3 • (b+d) <br />Weld force, V == X2 +Y2 = 473 lb <br />l2 2 Ib <br />fweld °_ ( S ( + (P) <br />= 3210 in <br />Allowable Weld force, Tw:=_0.188 in Fyw:=70 ksi 0:=0.75 <br />Fallow • 7'w • 0.6 Fyw = 4187 lb <br />2 in <br />if (Fallow <fweld , 1 NG!11 , "OK") "OK" <br />Existing Water Tank: 50' tall X 50' diameter water tank <br />Tank CL Elev., ht:=64 ft H:=30.92 ft D:=36 ft <br />Wind pressure, qz:=33.9 psf G;=0.85 Cf:=0.5 <br />Tank EPA, At.k:=H•D=1113 ft2 <br />Tank Lateral Wind Load, Ft.k:=gz•G•Cf•At.k=16037 lb <br />Tank Overturning at base, M0T:=Ft,,k • ht=1026386 lb • ft <br />7896 South Hmanh1.-In. Tlri vo <br />Suite 200 <br />Cottonwood Heights, UT 84121 <br />Tel. (801) 463-1020 Page.'(}J <br />