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OSTP Mound Materiats Worksheet UNIVERSII'Y <br /> Minnesota Pollution 01= �'TINNESOTA \�"� ' <br /> Co�tro�Agency "`-��' <br /> ProjectlD: v 06.12.13 <br /> A• Calculate 8ed (rock)Volume:8ed Leng[h (2.C)X Bed Width 2.B)X Depth =Volume (ft' <br /> 36.0 ft X 10.0 ft X 1.0 = 360.0 f[3 <br /> Oivide ft'by 27 ft3/yd3 to cdlculate cubic ards: <br /> 360.0 ft' s 27 = 13.3 yd3 <br /> Add 20%for constructability: 13.3 = <br /> ydl X 1.2 16.0 yd' <br /> 6. Calculate Cleon Sand Volume: <br /> Volume Under Rock bed:Average Sand Depth x Media Width x Media Length =cubic feet <br /> 2.0 ft X 10.0 ft X 36.0 ft = 720.0 ft; <br /> For a Mound on a slope from 0-1% <br /> Volume from Length=((Upslope Mound Height-t)X Absorption Width Beyond Bed X Media Bed Length) <br /> tc -i) x �� x n = <br /> Volume from Width=((Upslope Mound Height-1)X Absorption Width Beyond Bed X Media Bed Width) <br /> f[ -t) X X ft = � <br /> Total Clean Sond Votume:Vo(ume from Len3th+Vo(ume jrom Width+Volume Under Media <br /> ft3 � ft3 + �� f�3 ' �ft; <br /> For a Mound on a slope greater than 1% <br /> Upsiope Vo(ume: ((Ups(ope Mound Neight - 1)x 3 x Bed Length}+2=cubic feet <br /> (� 3.5 ft -1) X 3A ft X 36.0 )t 2= 135_0 f�' <br /> Downslope Volume: ((Downstope Height- i) x Downslope Absorpcion WidYh x Medra Length)=2=cubic feet <br /> (( 4S ft-1) X C 10.0 ft X 36.0 )+2= 630.0 ft' <br /> Endslope Volume:(Downs(ope Mound Height- 1) x 3 x Media Width =cubic feet <br /> ( 4.5 ft-t ) X 3.0 ft X 10A ft = 105A ft� <br /> Total Clean Sand Vo(ume:Upslope Volume +Downs(ope Volume +Endslope Volume +Volume Under Media <br /> 135.0 ft3 + 630.0 (t' , 105.0 {t' + 720.0 ft3= 1590.0 ft' <br /> Divide ft'by 27 ft'/yd'to calculate cubic yards: 1590.0 ft' : 27 = 58.9 yd' <br /> Add 20%for constructability: 58.9 yd3 X �,2 = 7p,7 yd3 <br /> C. Calculate Sandy Berm Volume: <br /> Total Berm Volume(approx):((Avg.Mound Height-0.5 ft topsoil)x Mound Width x Mound Length)=2=cubic feet <br /> ( 4.� . 0.5 )ft X 44J ft X 63.0 )=2= 4924.9 ft' <br /> Total Mound Volume-Cleon Sand volume-Rock Volume=c�brc Jeet <br /> 4924.9 � ft' . i590.0 {t3 _ 360.0� ft3 = 2974A f�' <br /> --� <br /> Divide ft'by 27 ft'/yd'to calculate cubic yards: 2974.9 ft' : 27 = 110.2 yd' <br /> Add 20%forconstructability: 110.2 yd; x 1.2 = 132,2 yd' <br /> D. Catculate Topsoil Materiat Volume:Tota(Mound Width X Total Mound Length X.5/t <br /> 44-7 ft X 63.0 ft X 0.5 ft = 1407.1 ft' <br /> Divide ft'by 27 ft'/yd'to calculate cubic yards: 1407•1 ft' = 27 = 52.1 �yd' <br /> Add 20%for constructability: 52.1 yd; x 1.2 = 62.5 yd� <br />