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-� =-- OSTP Mound Materials Worksheet UNIVERSITY � ����� <br /> Minnesota Poilutip� OF MINNESOTA �,;. �,L�.ti <br /> CoMrol A�ncy - <br /> ProjeCtlD: v 11.09.22 <br /> A•Calculate Bed(roc�c�Vo/ume:Bed Lenqth (2.0 X Bed NSdth 2.8)X Depth =Votume ft3 <br /> 63.0 ft x 10.0 ft x 1.0 = 630.0 ft' <br /> Divide ft'by 27 ft'/yd3 io calculate cubic ards: <br /> 630.0 fr' = z7 = 23.3 yd3 <br /> Add 20%for cautructability: 23.3 yd'X 1.2 = 28.0 ' <br /> yd <br /> B. Calculate C[eai Sarrd olume: <br /> Volume Under Rock bc4d:Average Sm�d Depth x Media Width x Media Length =cubic feet <br /> 1.2 ft x 10.0 ft x 63.0 ft = 756.0 ft' <br /> For a Mound on a sl from 0-195 <br /> Volume from Length= {Upslope Iub�aid Heiight-1)X Absorptia�Width Beyond Bed X AAedia Bed Length) <br /> ft -1) X X ��ft = <br /> Volume from Width=((Wpslope Mound Height-1)X Absorption 1Nidth Beyond Bed X Media Bed Width) <br /> � ft -1) X X ft = <br /> `-1 <br /> Total C(e�Sand Volume:Volume from Length+Volume from N�idth+Volume Under Medio <br /> ft3 ~ ft3 + �� � = ft; <br /> For a Mound on a slope eater than 1% <br /> Upslope Vo/ume:((Upslope Mound Hei ht -1)x 3 x Bed Length)+2=cubic feet <br /> �( 3.0 ft -�) x 3.Oft x 63.0 )+z= 189.0 ft' <br /> Downslope Volume:((Dawnslope Hei ht-1)x Downslope Absorptioo Width x Medio tenqrh)+2=cubic feet <br /> (( 3.4 ft-t) x 10.0 ft X 63.0 �+2= 756.0 ft' <br /> Er►dslope Volume:(Downslqpe Mound Hei ht-1)x 3 x Medio�dth =cubic feet <br /> ( 3.4 ft-1 ) X 3.0 ft X 10.0 ft = 72.0 ft' <br /> Totat Clean Sa�d Volume:fJpslope Volume+pownslope Volume+Endslope Votume +yv(ume Under Medio <br /> 189.0 ft' + 756.0 ft' + 72.0 ft' + 756.0 ft'= 1773.0 ft' <br /> Divide ft'by 27 ft'/yd'to ca�cutate cubic yards: �773.0 fC' = 27 = 65.7 yd' <br /> Add 20%for corutnxtabitity: 65.7 yd'X 1.z = 78.8 yd' <br /> C.Cakulate Sm►dy Berm Volume: <br /> Total Berm Volume(approx):((Avg.Mound Height-0.5 ft topsoil)x Mound Nfidth x Mound Length)+2=cubic feet <br /> ( 3.2 _ 0.5 �ft x 36.0 ft X 83.0 )+2= 4033.8 ft; <br /> Tota/Mound Volume-Cle�Sand volume-Rock Volume=cubic feet <br /> 4033.8 ft' - 1773.0 ft' - 630.0 ft3 = 1630.8 ft' <br /> Divide ft'by 27 ft'/yd'to catcwlate cubic yards: 1630.8 ft: 27 = 60.4 yd' <br /> Add 20%fw constructability: 60.4 yd' x 1 Z = 72.5 yd' <br /> D.Calc�ate Tops�oi!Materia!Vofume:Total Mound Width X Tota!Mound Length X.5 ft <br /> 36.0 n x 83.0 ft x o.5 n = 1494.0 � <br /> Divide ft'by 27 ft3/yd'to catc�ate cubic yards: 1494A ft' { v = 55.3 yd' <br /> Add 20%for coratructability: 55.3 yd' x �.2 = 66.4 yd' <br />