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' �' -�- ;; <br /> OSTP Mound Materiats Worksheet UNIVERSITY � <br /> Minnesota Pollution OF MINNESOTA � ti�J?, <br /> Control Agency <br /> ProjectlD: v 11.09.22 <br /> A. Catculate Bed (rock)Volume:Bed Length (2.0 X Sed Width 2.8)X Depth =Volume ft3 <br /> 63.0 ft x 10.0 ft X �.o = 630.0 ft' <br /> Divide ft'by 27 ft'/yd'to calculate cubic ards: <br /> 630.0 ft' : 27 = 23.3 yd' <br /> Add 20%for constructability: 23.3 yd'X 1.2 = 28.0 yd' <br /> B. Calculate Clean Sond Votume: <br /> Votume Under Rock bed:Avernqe Sand Depth x Media Width x Medio Length =cubic feet <br /> 2.4 ft x 10.0 ft x 63.0 ft = 1522.5 ft' <br /> For a Mound on a slope from 0-1% <br /> Votume from Length=((Upslope Mound Height-1)X Absorption Width Beyond Bed X Media Bed Length) <br /> ft -1) X X ft = �� <br /> Volume from Width�((Upslope Mound Height-1)X Absorption Width Beyond Bed X Media Bed Width) <br /> ft -1) X X ft = <br /> Tota(Clean Sand Volume:Volume from Length+Volume from Width+Volume Under Medio <br /> ft; * ft3 + ft3 _ ft3 <br /> For a Mound on a slope greater than 1% <br /> Upslope Volume:((Upslope Mound Height - 1)x 3 x Bed Lenqth)+2=cubic feet <br /> (( 3.7 ft -�) x 3.o ft x 63.0 )�z= 252.0 ft' <br /> Downslope Volume:((Downslope Height- f)x Downslope Absorption Width x Media Length)y 2=cubic feet <br /> (( 5.2 ft-t) x 10.0 ft X 63.0 )*2= 1312.5 ft' <br /> Endslope Volume:(Downslope Mound Height- i) x 3 x Media Width =cubic feet <br /> ( 5.2 ft-1 ) X 3.0 ft X 10.0 ft = 125.0 ft' <br /> Tota1 Clean Sand Volume:Upslope Volume +Downslope Volume +fndstope Volume +Volume Under Media <br /> 252.0 ft' + 1312.5 ft' + 125.0 ft' + 1522.5 ft'= 3212.0 ft' <br /> Divide ft'by 27 ft'/yd'to calculate cubic yards: 3212.0 ft' � 27 = 119.0 yd' <br /> Add 20%for constructabitity: 119.0 yd X 1.2 = 142.8 <br /> ' yd3 <br /> C. Calcutate Sandy Berm Volume: <br /> Total Berm Volume(opprox):((Avg.Mound Height-0.5 ft topsoil)x Mound Width x Mound Length)-*2=cubic feet <br /> ( 4.4 _ 0.5 )ft x 48.0 ft x 93.0 )T 2= 8742.0 ft' <br /> Total Mound Volume-Clean Sand volume-Rock Vo(ume=cubic feet <br /> 8742.0 ft' _ 3212.0 ft' - 630.0 fc' = 4900.0 ft' <br /> Divide ft'by 27 ft3/yd'to calculate cubic yards: 4900.0 ft' = 27 = 181.5 yd3 <br /> Add ZO%for constructability: 181,5 yd3 X 1.2 = 217,$ yd' <br /> D. Calculate Topsoil Moterial Volume:Totat Mound Width X Tota!Mound Length X.5 jt <br /> 48.0 ft x 93.0 ft x o.s ft = 2232.0 ft' <br /> Divide ft'by 27 ft'/yd'to calculate cubic yards: 2232.0 ft3 = 27 = 82.7 yd' <br /> Add 20%for constructabitity: 82.7 yd' x �.z = 99.2 yd' <br />