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' � � <br /> � <br /> OSTP Mound Materials Worksheet UNIVERSITY , <br /> Minnesota Pallution OF MINNESOTA '���' <br /> Control Agency "��=� <br /> Projectl : v 06.12.13 <br /> A. Calculate Bed (rock)Vo(ume:8ed Length (2.0 X Bed Width 2.6)X Depth =Volume ft' <br /> 22.0 ft X 10.0 ft X 1.0 = 220.0 ft3 <br /> Divide ft'by 27 ft'/yd'to calculate cubic ards: <br /> 220.0 ft' = 27 = 8.1 yd3 <br /> Add 20%for constructability: g,1 yd'X 1_2 = q,g yd3 <br /> B. Catculate Cleon Sond Volume: <br /> Volume Under Rock bed:Average Sand Depth x Media Width x Medio Length =cubic feet <br /> 1.3 ft X 10.0 ft X 22.0 ft = 286.0 ft3 <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 Volume: Volume from Length+Volume from Width+Vo(ume Under Media <br /> ft' + ft' + ft3 = ft' <br /> For a Mound on a slope greater than 1% <br /> Upslope Volume:((Upslope Mound Height - 1)x 3 x Bed Length)�2=cubic feet <br /> (( 3.0 ft -1) X 3.0 ft X 22.0 )+2- 66.0 ft' <br /> Downslope Volume:((Downslope Height- 1) x Downstope Absorption Width x Media Length)�2=cubic feet <br /> (( 3.6 ft-1) X 14.O�f[ X 22.0 )+Z- 400.4 qt' <br /> Endslope Volume: (Downs(ope Mound Height- 1) x 3 x Media Width =cubic feet <br /> ( 3.6 ft-1 ) X 3.0 ft X 10.0 ft = 78.0 ft' <br /> Tota!Clean Sand Volume:Upslope Volume +Downs(ope Vo(ume +Ends(ope Volume +Vo(ume Under Media <br /> 66.0 ft' + 400.4 ft3 + 78.0 {t' + 286.0 {t3- 830.4 ft3 <br /> Divide ft'by 27 ft'/yd'to calculate cubic yards: 830.4 ft' = 27 = 30.8 yd3 <br /> Add 20%for constructability: 30.8 yd3 X 1.2 = 36.9 yd3 <br /> C. Calculate Sandy Berm Vo(ume: <br /> Total Berm Volume(opprox): ((Avg.Mound Height-0.5 ft topsoit)x Mound Width x Mound Length)*2=cubic feet <br /> ( 3.3 _ 0.5 )ft X 39.0 ft X 44.0 )=2= 2402.4 ft' <br /> Total Mound Volume-C(ean Sand volume-Rock Vofume=cubic feeY <br /> 2402.4 ft3 _ 830.4 ft' _ 220.0 ft3 - 1352.0 ft3 <br /> Divide ft'by 27 ft'/yd'to calculate cubic yards: 1352.0 ft' : 27 = 50.1 yd3 <br /> Add 20%for constructability: 50.1 yd' x 1.2 = 60.1 yd' <br /> D. Calculate Topsoi(Moterial Volume:Total Mound Width X Totaf Mound Length X.5 ft <br /> 39.0 ft X 44.0 ft X 0.5 ft = 858.0 ft� <br /> Divide ft'by 27 ft;/yd'to calculate cubic yards: 858.0 ft3 � 27 = 31.g yd' <br /> Add 20%for constructability: 31.8 yd' x 1.2 = 38.1 yd' <br /> I <br />