b'STORMWATERCATALOGEngineering WorksheetProject: By:Subject: Date:FormulasHW LV=L x W x HDHV=(D/ 2 ) 2x HDLV=(D/ 2 ) 2x L TemperatureC = (F - 32) x .556F = C (1.8) + 32Flow1 gpm= 0.134 cuft/ min1 cfs= 448.8 gpm 1 cfm= 448.8 gphMass & Volume1 ft 3= 150lbsConcrete1 ft 3= 7.48 Gal (US)231 in 3= 1 Gal (US)1 yd 3= 4050 lbsConcretePressure1 psi= 2.31 ft H 2 O1ft H 2 060F = 0.4333 psi1 in Hg60F= .49 psiDecimal Equivalents1 in=.08 ft 2 in=.17 ft3 in=.25 ft4 in=.33 ft5 in=.42 ft6 in=.50 ft7 in=.58 ft8 in=.67 ft9 in=.75 ft10 in=.83 ft11 in=.82 ft12 in=1.0 ftSpecifi c GravitiesAPPENDIX DWater 60Fsg = 1.0Gasoline 80Fsg = .74SAE30 Oil 115F= .94Toll Free 888-611-7275 www.PARK-USA.com Email: Info@park-usa.comGRID11-29INFO@PARKUSA.COM|888-611-7275|WWW.PARKUSA.COM 373Edwards Aquifer Info'