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�� OSTP Mound Materials Worksheet UKIVERSITY '� ..�� <br /> Mi�nesata Pollution <br /> OF MINNESOTA � �"'' <br /> Cor�trol Agency ___-,--v���. <br /> ProjectlD: v 11.09.22 <br /> A.Calcutate Bed(rock)Volume:8ed Lengih (2.0 X Bed�dth 2.6)X DepYh=Volume ft3 <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 f� : 27 = 23.3 yd3 <br /> Add 20%for constructabitity: 23.3 yd'X 1.2 = 28.0 yd3 <br /> 8. Calculate Clean Sand Vo(ume: <br /> Vo(ume Under Rock bed:Averoge Smid Depth x Media Width x Medio Length =cubic feet <br /> 2.4 ft X 10.0 ft X 63.0 ft = 1480.5 tt� <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 -1j X X ft = <br /> Total Ciean Sand Vo[ume:Volume f�om Lenqth+Volume from Width+Volume Under Media <br /> . � +' �l + 7[ = L��ft3 <br /> L.___ <br /> For a Mound on a slope greater than 1% <br /> Upslope Volume:((Upslope hbund Height -1)x 3 x Bed Length)�2=cubic feet <br /> (( 4.0 ft -1) X 3.o ft X 63.0 )�2= 283.5 ft� <br /> Downslope Vo(ume:((Downslope Height-1)x Domulope Absorption Width x Media Length)+2=cubic feet <br /> (( 4.7 ft-1) X 16.0 ft X 63.0 )=2= 1864.8 ft' <br /> Ends(ope Vo(ume:(Oownslope Mound Height-1) x 3 x Media Width =cubic feet <br /> ( 4.7 ft-1 ) X 3.0 ft X 10.0 ft = 111.0 ft' <br /> Totat C(ean Sand Volume:Upslope Vo(ume +Downs(ope Volume +Endslope Volume +Votume Under Media <br /> 283.5 ft3 + 1864.8 ft' + 111.0 ft3 + 1480.5 ft3= 3739.8 ft' <br /> Divide ft3 by 27 ft'lyd'to calculate cubic yards: 3739.8 ft' : 27 = 138.5 yd3 <br /> Add 20%for constructability: 138.5 yd X 1_2 = 166.2 <br /> yds <br /> C.Calcutate Sandy Berm Volume: <br /> Total Berm Volume(approx):((Avg.Mou�Height-0.5 ft topsoil)z Mound Width x Mound Length)-�2=cubic feet <br /> { 4.4 _ 0.5 )ft X 47.9 ft X 91.2 )+2= 8413.5 ft3 <br /> Tota(Mound Volume-Ciean Sand volume-Rock Vo(ume=cubic feet <br /> 8413.5 ft' - 3739.8 ft' - 630.0 ft' = 4043.7 ft' <br /> Divide ft'by 27 ft'/yd3 to calcutate cubic yards: 4043.7 ft' � 27 = i 49.8 yd' <br /> Add 20%for corutructability: 149.8 yd3 x �.2 = 179,7 yd3 <br /> D.Catculate Topsoil Moterio(Voiume:Totn(Mound�dth X Totn(Mound Length X.5 ft <br /> 47.9 ft X 91.2 ft x o.5 ft = 2185.3 ft' <br /> Divide ft3 by 27 ft3lyd'to calcutate cubic yards: 2185.3 ft' = 27 = gp,g yd3 <br /> Add 20%for constnxtabitity: 80.9 yd3 x 1 Z = 97.1 yd3 <br />