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OSTP Mound Materials Worksheet UNIVERSITY ` <br /> Minnesota Pollution OF MINNESOTA <br /> Control Agency •,_ <br /> Project ID: '+03.19.15 <br /> A. Calculate Bed (rock) Volume:Bed Length (2.C1 X Bed Width 12.81 X Depth =Volume iftt i <br /> I63.0 Ift X I 10.0 Ift X 1.0 - I 630.0 Ift <br /> Divide ft by 27 ft:-ydto calculate cubic yards: <br /> 630.0 I it 27 - I 23.3 Iyd <br /> Add 20 for constructabillty: I <br /> 23.3 yd-X 1.2 - I 28.0 Iyd, <br /> B. Calculate Clean Sand Volume: <br /> Volume Under Rock bed:Average Sand Depth x Media Width a Media Length =cubic feet <br /> t•7 Ift X I 10.0 -ft X I 63.0 Ift = j 1081.5 Ift <br /> 'For a Mound on a slope from 0.1% <br /> Volume from Length=(lUpslope Mound Height- 1 X Absorption Width Beyond Bea X Media Bed Length) <br /> I Ift - 1i XI I X I Ift _ II <br /> Volume from Width=(lUpslope Mound Height• 11 X Absorption Width Beyond Bed X Media Bed Widtni <br /> I I ft •11 X I I X I Ift I <br /> Total Clean Sand Volume: Volume from Length-Volume from Width- Volume Under Media <br /> 1 .ft - i I ft - I I ft' _ ;ft II <br /> For a Mound on a slope greater than 1% <br /> Upsiope Volume: I(UpslopelMound Height - 1 i x 3 x Bed Length i-2=cubic feet <br /> it 3.4 I ft • 1, X 3.0 ft x I 63.0 I ,-2 = 228.4 lit <br /> Downslope Volume: llDownslope Height• 1) x Downslope Absorption Width x Media Length)-2 =cubic feet <br /> ll 4.0 i ft• 11 X I 10.0 Ift XI 63.0 <br /> )-2 = I 950.3 Ift <br /> Endsiope Volume:1Downslope Mound Height• 1 r x 3 x Media Width •cubic feet <br /> II 4,0 I ft• 1 1 X 3.0 ft 'x I 10.0 Ift _ I 90.5 Ift <br /> Total Clean Sand Volume:Upslope Volume -Downslope Volume -Endslope Volume - Volume Under Media <br /> I228.4 I ft - I 950.3 I ft' - I 90.5 I ft - I 1081.5 Ift'- I 2350.6 Ift <br /> Divide ft'by 27 ft'tyd'to calculate cubic yards: I 2350.6 I ft- _ 27 _ ' <br /> 87.1 Iyd <br /> Add 20s for constructability: I <br /> 87.1 yd X 1.2 104.5 lyd ' <br /> C. Calculate Sandy Berm Volume: <br /> Total Berm Volume?approxi:IlAvg•Mound Height-0.5 ft topsoil?x Mound Width x Mound Length(-2 cubic feet <br /> II 3.7 I 0.5 ift X I 42,2 Ift X 87.1 <br /> i I -2= 5906.5 lit' <br /> Total Mound Volume•Clean Sand volume.Rock Volume-cubic feet <br /> I 5906,5 I ft` • I 2350.6 I ft' - I 630.0 I ft = 2925.9 lit <br /> Divide ft'by 27 ft'!yd to calculate cubic yards: I 2925.9 ft e 27 = <br /> '•08.4 yd <br /> Add 20ih for constructability: I 108.4 II <br /> yd` x 1.2 130.0 yd <br /> D. Calculate Topsoil Material Volume:Total Mound Width X Total Mound Length X.5 ft <br /> I <br /> I 42.2 Ift X I 87.1 Ift X 0.5 ft 1836.2 <br /> I Ift' <br /> Divide ft-by 27 ft'ryd to calculate cubic yards: I 1836.2 <br /> I ft' s 27 I 68.0 Iyd <br /> Add 20%for constructability: I 68.0 Iyd' x 1•2 = I - <br /> I 81.6 lyd <br />