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ir t <br /> I <br /> I <br /> OSTP Mound Materials Worksheet UNIVERSITY <br /> ! Minnesota PollutionX1,4" <br /> OF MINNESOTA <br /> Control Agency <br /> Project ID: v 06.12.13 <br /> A.Calculate Bed (rock)Volume:Bed Length (2.0)X Bed Width 2.B)X Depth =Volume ft' <br /> 63.0 ft X r 10.0 ft X 1.0 = 630.0 ft3 <br /> jDivide ft3 by 27 ft3/yd3 to calculate cubicyards: <br /> I 630.0 J ft3 27 = 23.3yd3 <br /> i <br /> Add 20%for constructability: 23.3 yd3 X 1.2 = 28.0 yd3 <br /> B. Calculate Clean Sand Volume: <br /> Volume Under Rock bed:Average Sand Depth x Media Width x Media Length =cubic feet <br /> 1.3 ft X 10.0 ft X 63.0 ft = 829.5 ft3 <br /> i <br /> For a Mound on a slope from 0-1% <br /> Volume from Length=((Upslope Mound Height-1)X Absorption Width Beyond Bed X Media Bed Length) <br /> j ft -1) X X ft = <br /> i <br /> Volume from Width=((Upslope hound Height-1)X Absorption Width Beyond Bed X Media Bed Width) <br /> ft -1) X I I X I ft = <br /> Total Clean Sand Volume:Volume from Length+Volume from Width+Volume Under Medio <br /> ft3 + ft3 + ft3 = ft3 <br /> For a Mound on a slope greater than 1% <br /> ! Upslope Volume:((Upslope Mound Height -1)x 3 x Bed Length)+2=cubic feet <br /> i <br /> (( 3.2 ft 1) X 3.0 ft X 63.0 )+2= 204.8 ft3 <br /> I <br /> Downslope Volume:((Downslope Height-1)x Downslope Absorption Width x Media Length)+2=cubic feet <br /> (( 3.5 ft-1) X 16.0 ftX r 63.0 )-2= 1243.2 ft3 <br /> Endslope Volume:(Downslope Mound Height-1)x 3 x Media Width =cubic feet <br /> ( 3.5 ft-1 X 3.0 ft X 10.0 ft = 74.0 ft3 <br /> Total Clean Sand Volume:Upslope Volume +Downslope Volume +Endslope Volume +Volume Under Media <br /> 204.8 ft3 + 1243.2 I ft3 + 74.0 ft3 + 829.5 ft3= 2351.5 ft3 <br /> i <br /> i <br /> Divide ft3 by 27 ft3/yd3 to calculate cubic yards: 2351.5 ft3 27 = 87.1 yd3 <br /> Add 20%for constructability: 97= yd3 X 1.2 104.53 <br /> yd <br /> C. Calculate Sandy Berm Volume: <br /> Total Berm Volume(approx):((Avg.Mound Height-0.5 ft topsoil)x Mound Width x Mound Length)+2=cubic feet <br /> ( 3.3 0.5 )ft X 41.0 ft X 85.0 )+2= 4908.0 ft3 <br /> , <br /> Total Mound Volume-Clean Sand volume-Rock Volume=cubic feet <br /> i <br /> ! 4908.0 ft3 _ 2351.5 ft3 _ 630.0 ft3 = 1926.6 ft3 <br /> Divide ft3 by 27 ft3/yd3 to calculate cubic yards: 1926.6 ft3 = 27 = 71.4yd3 <br /> Add 20%for constructability: 71.4 yd3 x 1.2 = 85.6 yd3 <br /> jD.Calculate Topsoil Material Volume:Total Mound Width X Total Mound Length X.5 ft <br /> 41.0 ft X 85.0 ft X 0.5 ft 1742.5 ft3 <br /> Divide ft3 by 27 ft3/yd3 to calculate cubic yards: 1742.5 ft3 27 = 64.5 yd3 <br /> Add 20%for constnx:tabitity: 64.= yd3 x 1.2 = 77.4 yd3 <br /> i <br /> I <br />