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1 r <br /> I r <br /> I <br /> -- OSTP Mound Materials Worksheet UNIVERSITY ; <br /> Minnesota Pollution OF MINNESOTA t <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 ft3 - <br /> 63.0 ft X 10.0 ft X 1.0 = 630.0 ft3 <br /> Divide ft3 by 27 ft3/yd3 to calculate cubicyards: <br /> i <br /> 630.0 ft3 + 27 = 23.3 yd3 <br /> Add 20%for constructability: 23.3 yd3 X 1.2 = 28.0 yd3 <br /> i B. Calculate Clean Sand Volume: <br /> Volume Under Rock bed:Average Sand Depth x Media Width x Media Length =cubic feet <br /> 2.0 ftX 1 10.0 ft X 63.0 ft = 1260.0 ft3 <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 /> ft -1) X X Ift = <br /> Volume from Width=((Upslope Mound Height-1)X Absorption Width Beyond Bed X Media Bed Width) <br /> ft -1) X X ft = <br /> Total Clean Sand Volume:Volume from Length+Volume from Width+Volume Under Media <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 /> (( 3.5 ft -1) X 3.0 ft X 63.0 )-2= 236.3 ft3 <br /> i <br /> Downslope Volume:((Downslope Height-1)x Downslope Absorption Width x Media Length)+2=cubic feet <br /> {( 4.5 It-1) X 10.0 ft X 63.0 J )-2= 1102.5 It, <br /> Endslope Volume:(Downslope Mound Height-1)x 3 x Media Width =cubic feet <br /> ( 4.5 ft-1 ) X 3.0 It X 10.0 ft = F05.0 ft3 <br /> I <br /> Total Clean Sand Volume:Upslope Volume +Downslope Volume +Endslope Volume +Volume Under Media <br /> 236.3 ft3 + 1102.5 ft3 + 105.0 ft3 + 1260.0 ft3= 2703.8 ft3 <br /> I <br /> Divide ft3 by 27 ft3/yd3 to calculate cubic yards: 2703.8 ft3 + 27 = 100.1 yd3 <br /> Add 20%for constructability: 100.1 yd3 X 1.2 = 120.2 yd3 <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 /> ( 4.0 0.5 )ft X 1 393 ft X 90.0 )-2= 6192.1 ft3 <br /> Total Mound Volume-Clean Sand volume-Rock Volume=cubic feet <br /> 6192.1 ft3 _ 2703.8 ft3 - 630.0 ft3 = 2858.4 ft3 <br /> Divide ft3 by 27 ft3/yd3 to calculate cubic yards: 2858.4 ft3 + 27 = 105.9 yd3 <br /> Add 20%for constructability: 105.9 yd3 x 1.2 = 127.0 yd3 <br /> D.Calculate Topsoil Material Volume:Total Mound Width X Total Mound Length X.5 ft <br /> 393 <br /> ft 90.0 ft 0.5 it = 1769.2 ft3 <br /> Divide ft3 by 27 ft3/yd3 to calculate cubic yards: 1769.2 ft3 + 27 = 65.5 yd3 <br /> Add 20%for constructabititw 65.= yd3 x 1.2 = 78.6 yd3 <br /> i <br /> i <br />