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�,^ <br /> --� OSTP Mound Materials Worksheet UNIVERSITY �� }.; R� <br /> Mlonewta Pollution i OF MINNESOTA ��.;�e._.,�„z�.w <br /> Control Agency _ <br /> Project ID: v 11.09.22 <br /> A.Calculate Bed(rock)Volume:Bed Length (�2.0 X Bed�dth 2.6)X Depth=Vdume <br /> 50.0 ft X 10.0 ft x �.o = 500.0 ft' <br /> i Divide ft3 by 27 ft'/yd'to calcutate cubic <br /> 500.0 fr' = z7 = 18.5 yd' <br /> Add 20%for constructability: , 18.5 yd'X 1.2 = 22.2 yd' <br /> B. Catculate Ciean Sond Voturt►e: � <br /> Volume Under Rock bed:Average Sard Dept x Medin Width x Media Length a cubk feet <br /> 1.2 ft X 10.0 ft X 50.0 ft = 600.0 ft' <br /> For a Nbund on a slope from 0-1% <br /> Volume from Ler�th=((Upslope Mound ' t-1)X Absorption Width Beyond Bed X Media Bed Length) <br /> ft -1) X I 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!Cleon Sond Volume:Volume from Leng h+Volume from Width+Vo/ume Under AAedia <br /> ' ft' * � ' ft' = ft' <br /> For a Mound on a slope greater than 1% <br /> Upslope Volume:((Upslope Mour►d Hefght -f)x 3 x Bed Lenyth)+2=cubic feet <br /> (( 3.0 ft -�) x 3.oft X 50.0 )t2= 150.0 ft' <br /> Downslope Votume:((Do�mslope Height-1) Downstope Absorption Width x Medin Length)+2=CubiC feet <br /> (( 3.4 ft-�� X 10.0 ft X 50.0 )+2= 600.0 ft' <br /> Endslope Volume:(Dnwnslope Abund Height 1)x 3 x Medio Width =cubic feet <br /> ( 3.4 ft-1 ) X 3.o ft X 10.0 ft = 72A ft' <br /> Totol Cleon Sond Volume:Upslope Volume� sl Volume +Endslope Volurt►e +yo(ume Under Media <br /> 150.0 ft' + 60b.0 ft' + 72.0 ft' + 600.0 n'= 1422.0 ft' <br /> Divide ft'by 27 ft'/yd'to calculate cubic yardf: 1422.� ft' } 27 = 52.7 yd' <br /> Add 20%for constructability: 52.7 yd'x 1.2 = 63.2 yd' <br /> C. Calculate Sandy Berm Voleme: <br /> TotnlBerm Vo(ume(�rox):((Avg.Mound Hpight-0.5 ft topsoit)x Mound Width x Mound Len )+2=cubic feet <br /> ( 3.2 _ 0.5 �t X 36.0 ft X 70.0 )+2= 3402.0 ft' <br /> Total Mound Volume-Lle�Sand vo/ume-Rac Volume=cubic Jeet <br /> 340R.0 ft' - 1422.0 ft' - 500.0 tr' = 1480.0 fr' <br /> Divide ft'by 27 ft'fyd'to calculate cubic yards# 1480.0 fC' a 27 = 54.8 ya' <br /> Add 20%for construcWbility: I 54.8 = <br /> yd' x 1.2 65.8 yd' <br /> D.Calcutate Topsoil Material Volume:Total Width X Toto!Mound Length X.5 ft <br /> 36 0 ft X 70.0 ft X 0.5 ft = 1260.0 ft' <br /> Divide ft'by 27 ft'/yd'to catculate cubic yards:l 1260.0 ft' = 27 = 46.7 ' <br /> Yd <br /> Add 20%for corutr�xtab9lity: I 46.7 yd' X 1.2 = 56.0 yd' <br />