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�-- OSTP Mound Materials Worksheet UNIVERSITY <br /> Minnesota Pollution OP MiNNESOTA ��1���. <br /> Control Agency 1., <br /> ProjectlD: v 07.14.15 <br /> A• Calculate Bed(rock)Volume:Bed Length (2.0 X Bed W�dth 2.6)X Depth =Volume ft <br /> 63.0 ft X 10.0 ft_ X 0.8 = 504.0 ft3 <br /> Divide ft'by 27 ft'/yd'to calculate cubic ards: <br /> 504.0 ft3 r 27 = 18.7 yd3 <br /> Add 20%for construcWbility: 18.7 yd3 X 1.2 = 22.4�yd3 <br /> B. Calculate Clecn Sand Volume: <br /> Volume Under Rock bed:Averoge Sond Dep[h x Medio Width x Medio Length =cubic feet <br /> 1.5 ft X 10.0 ft X 63.0 ft = 945.0 ft; <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 /> Toto!Clean Sand Volume: Vo(ume from Length+Volume from Width+yolume UnderMedia <br /> ft; + ft; + ft3 = ft3 <br /> For a Mound on a slope reater than 1% <br /> Upslope Vo(ume:((Upslope Mound Height - 1)x 3 x Bed Length)+2=cubic feet <br /> (( 2.5 ft -1) X 3.0 ft X 63.0 )+2= 141.8 ft3 <br /> Downslope Volume:((Downslope Height- 1) x Downslope Absorption Width x Medio Length)+2=cubic feet <br /> (( 3.4 ft-1) X 16.0 ft X 63.0 )+2- 1209,6 ft3 <br /> fnds(ope Volume:(Downslope Mound Height- 1) x 3 x Media Width =cubic feet <br /> ( 3.4 ft-1 ) X 3.0 ft X 10.0 ft = 72.0 ft3 <br /> Tota!Clean Sand Volume:Upslope Volume +Downslope Volume +Endslope Volume +Volume Under Media <br /> 141.8 ft' + 1209.6 ft' + 72.0 ft3 + 945.0 ft3� 2368.4 ft3 <br /> Divide ft'by 27 ft;/yd'to calculate cubic yards: 2368.4 ft3 ; 27 = 87.7 yd; <br /> Add 20%for constructability: 87,7 3 _ ; <br /> yd X 1.2 - 105.3 yd <br /> C. Calculate Sandy Berm Volume: <br /> Tota!Berm Volume(approx):((Avg.Mound Height-0.5 ft topsoil)x Mound Width x Mound Len th)+2=cubic feet <br /> ( 3.0 . 0.5 )ft X 41.0 ft X 85.0 )+2= 4269.1 ft3 <br /> Totc(Mound Volume-Clean Sond volume•Rock Volume=cubic jeet <br /> 4269.1 ft; - 2368.4 ft3 _ 504.0 ft3 = 1396.8 ft3 <br /> Divide ft3 by 27 ft'/yd'to calculate cubic yards: 1396.8 ft' � 27 = 51,7 yd3 <br /> Add 20%for constructability: 51.7 yd3 x 1.2 = 62.1 yd� <br /> D. Calculate Topsoil Materfal Yolume:Totol Mound Width X Total Mound Length X.5 Jt <br /> 41.0 ft X 85.0 ft X 0.5 ft = 1742.5 ft3 <br /> Divide ft3 by 27 ft3/yd;to calculate cubic yards: 1742.5 ft3 = Z7 - bq,g Yds <br /> Add 20%for constructability: 64.5 yd3 x 1.2 = 77.4 ; <br /> yd <br />