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MM OSTP Mound Materials Worksheet UNIVERSITY Auk <br /> r+oaotm PoNudon OF MINNESOTA <br /> Corwoi Agdmc3r <br /> 1Kt v 03.19.15 <br /> A.Calculate Bed(rock)Volume:fed Length (2.0 X Bed Width 2.B)X Depth .Volume <br /> 50.0 : X 1 10.0 ft X 0.8 = 400.0 ft3 <br /> Divide ft3 by 27 ft;/yd3 to calculate cubic yarils: <br /> 400.0 j ft3 + 27 . 14.8 yd3 <br /> Add 20%for constructability: 14.8 yd3 X 1.2 • C 17.8 yd3 <br /> B. Calculate Clean Sand Volume: <br /> Volume Under Rock bed:Average SaidDe th x Media Width x Media Len th =cubic feet <br /> 1.7 ftX 10.0 ftX 50.0 ft 850.0 ft3 <br /> For a Mound on a from 0-1% <br /> Volume from Langth-((Upslope Mound Height-1)X Absorption Width Beyond Bed X Media Bed Length) <br /> ft -1) X X ft s <br /> Volume from Width= (U ape Mound height-1 X Absorption Width Beyond Bed X Media Bed Width) <br /> ft -1) X X I ft <br /> Total Clear Sand Volume:Volume from Length+Volume from Width+Volume Under Media <br /> ft + ft3 + ft3 = ft3 <br /> For a Mound on a than 1% <br /> Upslope Volum:((Upslope Mound He/ -1)x 3 x Bed Length)+2-cmc feet <br /> (( 3.3 1 ft -1) X 3.0 ft X 50.0 )-2- 168.8 ft3 <br /> Downslope Volume:((Downs! Het ht- 1)x Downslope Absorption Width x Media Length)•2-cubic feet <br /> (( 3.7 ft-1) X 16.0 ft X 50.0 ).2. 1060.0 ft3 <br /> Endslope Volume:(Downslw Mound Mel t-1)x 3 x Media Width -cubic feet <br /> ( 3.7 ft-1 ) X 3.0 ft X10.0 ft = 79.5 ft3 <br /> Tota Clear Sand Volume:Upslope Volume +2TMYMwVolume +Endstwe Volume +Volume Under Media <br /> 168.8 ft3 + 1060.0 ft3 + 79.5 ft3 + 850.03 <br /> ft = 2158.3 ft3 <br /> Divide ft3 by 27 ft3/yd3 to calculate cubic yards: 2158.3 ft3 + 27 - 79,9 yd3 <br /> Add 20%for constructability: 79.9 yd3 X 1.2 95.9 3 <br /> C. Calculate Sandy Berm Volume: <br /> Total Berm Volume nx):((Avg.Mound Height-0.5 ft topsoil x Mound Width x Mound Leq th)+2-cubic feet <br /> ( 3.5 0.5 )ftX 1 41.0 ft X 72.0 )+2- 4354.2 ft3 <br /> Total Mound Volume-Clean Sand volume-Rock Volume-cubic feet <br /> 4354.2 ft3 - 2158.3 ft3 . 400ft3 <br /> 3 - 3 <br /> 1796.0 ft <br /> Divide ft3 by 27 ft3/yd3 to calculate cubic yards: 1796.0 ft3 + 27 �,5 3 <br /> Yd <br /> Add 20%for constructability: 66.5 yd3 x 1.23 <br /> 79.8 yd <br /> D.Calculate Topsoil Material Volume:Total Mound Width X Total Mound Length X.5 ft <br /> 41.0 ft X 72.0 ft X 0.5 ft . 1476.0 ft3 <br /> Divide ft3 by 27 ft3/yd3 to calculate cubic yards: 1476.0 ft3 + 27 . 54,7 yd3 <br /> Add 20%for constructability: 54,7 <br /> yd x 1.2 . 65.6 yd3 <br />