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OSTP Mound Materials Worksheet UNIVERSITY " w <br /> Minnesota Pollution OF MINNE30TA <br /> Control AgenCy �.1� <br /> ProjectlD: v 06.12.13 <br /> A•Caicutate Bed (rock)Volume:Bed Lenqth (2.0 X Bed Width 2.6)X Depth =Vo(ume ft' <br /> 63.0 ft X 10.0 ft X 1.0 = 630.0 ftl <br /> Divide ft'by 27 ft'/yd'to calculate�: <br /> 630A ft' : 27 = 23.3 yd3 <br /> Add 20%for constructability: 23.3 yd3 X �,2 - Zg,p ds <br /> Y <br /> B. Calculate Clean Sond Volume: <br /> Volume Under Rock bed:Average Sancf Depth x Media Width x Media Length =cubic feet <br /> 2•3 ft X 10.0 ft X 63.0 ft = 1438.5 ft' <br /> For a Mound on a slope from 0-1% <br /> Volume from Ler�th=((Upslope hbund Height-1)X Absorption Width Beyond Bed X Media eed Length) <br /> �� ft -1) X � X �ft - �� <br /> Volume from Width=((Upslope Mound Height-1)X Absorption Width Beyond Bed X Ahedia Bed Width) <br /> � ft -1) X �� X ��ft - I__� <br /> Tofal Cfean Sand Volume:Volume from Length+Volume from Width+Volume Under Media <br /> �� f�3 + �� ft' + �� ft' _ �-�ft' <br /> For a Mound on a slope g�eater than 1% <br /> Upslope Volume:((Upslope Mound Height - 1)x 3 x 8ed Length)�2=cubic feet <br /> (( 3.8 ft -1) X 3.0 ft X 63.Q )+z� 267,g ft3 <br /> Downslope Vo(ume:((Downslope Height- f)x Dowrulope Absorption Width x Medio leng[h)+2=cubic feet <br /> (( 4•7 ft-1) X 16.0 ft X 63.0 )-2= 1881.6 ft' <br /> Endslope Volume:(lbwnslope Mound Neight- 1)x 3 x Media Width =cubic feet <br /> ( 4-7 ft-1 ) X 3.0 ft X 10.0 ft = 112.0 ft3 <br /> Total C(ean Sand Volume:Upslope Vo(ume +powns(ope Volume +Endslo Volume +Volume Under Media <br /> 267.8 ft' + 1881.6 ft; + 112.0 ft3 , 1438.5 ft;- 3699_9 {rt3 <br /> Divide ft'by 27 ft'/yd'to calculate cubic yards: 3699.9 fc' = 27 = 137.0 yd3 <br /> Add 20%for constructability: 137.0 yd'X 1.2 = 164.4 ; <br /> ��yd <br /> C. Calculate Sandy Berm Vo(ume: <br /> Total Berm Volume(approx):((Avg.Mound Height-0.5 t[topsoil)x Mound Width x Mound Length)*2=cubic feet <br /> ( 4.3 _ 0.5 )ft X 50.2 ft X 91.4 )�2= 8686.4 ft3 <br /> Total Mound Vofume-Clean Sand vo(ume-Rock Vofume=cu6ic Jeet <br /> 8686.4 ft' - 3699.9 ft3 _ 630.0 ft3 = 4356.6 ft3 <br /> Divide f['by 27 ft'/yd'to calculate cubic yard5' 4356.6 ft3 ,. 27 = �g�,q yda <br /> Add20%forconstructabitity: �b�,q s _ , <br /> yd x 1.2 193.6 yd <br /> D. CdlCulate Topsoi(Materiat Vo(ume:Totnl Mound Width X Toto!Mourtd Length X.5 jt <br /> 50.2 ft X 91.4 ft X 0.5 ft = 2296.0 ft' <br /> Divide ft'by 27 ft31yd3 to calculate cubic yards: 2296.0 ft� : 27 = 85.0 yd; <br /> Add 20%for constructability: 85.0 3 = s <br /> yd x 1.2 102.0 yd <br />