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OSTP Mound Materiats Worksheet UNIVERSITY � <br /> Minnesota Poliution OF MINNESOTA �`,,�`��,�:, <br /> Control Agency - <br /> ProjectlD: v 11.09.22 <br /> A. Calculate Bed (rock)Volume:Bed Length (2.0 X Bed Width 2.6)X Depth =Volume ft' <br /> 63.0 ft x 10.0 ft x �.o = 630.0 ft' <br /> Divide ft'by 27 ft'/yd'to catculate cubic ards: <br /> 630.0 tt' : z7 = 23.3 yd' <br /> Add 20%for constructability: 23.3 yd'X 1.2 = 28.0 yd3 <br /> B. Calculate Cleon Sand Volume: <br /> Volume Under Rock bed:Average Sond Depth x Media Width x Media Length =cubic feet <br /> 2.1 ft X 10.0 ft X 63.0 ft = 1344.0 ft' <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 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 /> Total Clean Sand Vo(ume: Volume from Length+Volume from Width+Votume Under Medio <br /> ft3 + ft' + ft' = ft' <br /> For a Mound on a slope greater than 1% <br /> Ups(ope Volume:((Upslope Mound Height - 1)x 3 x Bed Length)+-2=cubic feet <br /> (( 3.8 ft -�) X 3.o ft x 63.0 )�2= 267.8 ft' <br /> Downslope Volume:((Downslope Heiqht-1)x Downslope Absorption Width x Media Length)�2=cubic feet <br /> (( 4.4 ft-1) x 16.0 ft X 63.0 )-2= 1730.4 ft' <br /> Endslope Volume:(Downs(ope Mound Height- 1) x 3 x Media Width =cubic feet <br /> ( 4.4 ft-1 ) X 3.0 ft X 10.0 ft = 103.0 ft' <br /> Total C(ean Sand Volume:Upslope Vo(ume +powns(ope Votume +Endslope Volume +Volume Under Media <br /> 267.8 ft' + 1730.4 ft' + 103.0 ft' + 1344.0 ft'= 3445.2 ft' <br /> Divide ft'by 27 ft'/yd'to catculate cubic yards: 3445.2 ft' = 27 = 127.6 yd' <br /> Add 20%for constructability: 127.6 yd'X 1.2 = 153.1 yd' <br /> G Calcutate Sandy Berm Volume: <br /> Total Berm Vo(ume(opprox):((Avg.Mound Height-0.5 ft topsoil)x Mound Width x Mound Length)+2=cubic feet <br /> ( 4.1 _ 0.5 )ft x 46.0 ft x 89.0 )=2= 7437.4 ft' <br /> Total Mound Volume-C(ean Sand vo(ume-Rock Vofume=cu6ic feet <br /> 7437.4 ft' - 3445.2 ft' - 630.0 ft' = 3362.3 ft' <br /> Divide ft3 by 27 ft'/yd'to calculate cubic yards: 3362.3 ft' : 27 = 124.5 yd' <br /> Add 20%for constructability: 124.5 yd' x �.z = 149.4 yd' <br /> D. Calculate Topsoil Moterial Volume:Tota!Mound Width X Toto(Mound Length X.5 ft <br /> 46.0 ft X 89.0 ft X 0.5 ft = 2047.0 ft3 <br /> Divide ft;by 27 ft'/yd'to calculate cubic yards: 2047.0 ft' = 27 = 75.8 yd3 <br /> Add 20%for constructability: 75.8 yd' x 1 Z = 91.0 yd' <br />