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OSTP Mound Materials W rksheet UNIVERSITY ' „ <br /> Minnesota Paliution OF MINNESOTA �.4��;, <br /> Control Agency - <br /> ProjectlD: v 11.09.22 <br /> A. Catculate Bed (rock)Volume:Bed Length (2.0 X Bed Width 2.B)X Depth =Volum ft' <br /> 63.0 ft x 1 .0 ft x 1.0 = 630.0 ft' <br /> Divide ft'by 27 ft'/yd'to calculate c bic ards: <br /> 63 .0 ft' : 27 = 23.3 yd' <br /> Add 20%for co�structability: 2 .3 yd'X 1-2 = 28.0 yd' <br /> B. Calcutate C(ean Sand Volume: <br /> Volume Under Rock bed:Average Sand Depth x Media Width x Media Length =cub feet <br /> 2.4 ft X 10.0 ft X 63.0 ft = 1480.5 ft' <br /> For a Mound on a slope from 0-1% <br /> Volume from Length=((Upslope Mound Height-1)X Absorption Width Beyond Bed Media Bed Length) <br /> ft -1) X X ft = <br /> Volume from Width=((Upslope Mound Height-1)X Absorption Width Beyond Bed X ia Bed Width) <br /> ft -1) X X ft = <br /> Total Cleon Sond Volume:Volume from Length+Volume from Width+Volume Un r Media <br /> ft' * ft' + ft' = ft' <br /> For a Mound on a slope greater than 1% <br /> Upslope Volume:((Ups(ope Mound Height - 1)x 3 x Bed Length)�2=cubic feet <br /> (( 4.0 ft -t) x 3.o ft X 63.0 )�2= 283.5 ft' <br /> Downs(ope Volume:((Downs(ope Height- 1) x Downstope Absorption Width x Medi Length)=2=cubic feet <br /> (( 4.7 ft-1) X 10.0 ft x 63.0 )�2= 1165.5 ft' <br /> Endslope Volume:(Downslope Mound Height- 1) x 3 x Media Width =cubic feet <br /> ( 4.7 ft-1 ) X 3.0 ft X 10.0 ft = 111.0 ft' <br /> Total Cleon Sand Votume:Upstope Votume +pownslope Volume +Endslope Volum +Volume Under Medio <br /> 283.5 ft' + 1165.5 ft' + 111.0 ft' + 1480.5 ft'= 3040.5 ft' <br /> Divide ft3 by 27 ft'/yd'to calcutate cubic yards: 30 0.5 ft3 = 27 = 112•6 yd' <br /> Add 20%for constructability: 11 .6 yd'X 1.2 = 135.1 yd' <br /> C. Calculate Sondy Berm Volume: <br /> Total Berm Vo(ume(approx):((Avg.Mound Height-0.5 ft topsoil)x Mound Width x und Length)=2=cubic feet <br /> ( 4.4 _ 0.5 )ft x 45.0 ft X 91.0 )=2= 7883.6 ft' <br /> Tota!Mound Volume-Clean Sond volume-Rock Volume=cubic feet <br /> 7883.6 ft' - 3040.5 ft' - 630.0 fc' = 4213.1 ft' <br /> Divide ft'by 27 ft'/yd'to calculate cubic yards: 42 3.1 ft' : 27 = 156.0 yd' <br /> Add 20%for constructability: 1 6.0 yd' x 1.2 = 187•2 yd' <br /> D. Calculate Topsoil Material Volume:Total Mound Width X Tota!Mound Lenqth X.5 <br /> 45.0 ft x 91.0 ft x o.5 ft = 2047.7 ft' <br /> Divide ft'by 27 ft'/yd'to calculate cubic yards: 20 7J ft' : 27 = 75•8 yd' <br /> Add20%forconstructability: 7 ,$ yd3 x 1,2 = g�•p Yd' <br />