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���;;. <br /> OSTP Mound Materials Worksheet UNIVERSITY <br /> Minnesota Pollution OF MINNESOTA ����� <br /> Control Agency '' <br /> ProjectlD: v 04.20.2016 <br /> A. Catculate Rock Volume:(Rock Below Pi e+Rock to cover i e iPe dia�f jnch/)X Bed Len th 2.D)X Bed Width (2.6)=Volume ft3 <br /> ( 12 in + 3 in)+12 62.5 ft X 10.0 ft = 781.3 ft3 <br /> Divide ft'by 27 ft'/yd'to calculate cubic rds: <br /> 781.3 ftl : 27 = 28.9 yd; <br /> Add 20%for constructabitity: Z$•9 yd3 X 1.2 = 34.7 yd' <br /> For systems using other distribution media-see product registration for material required <br /> B. Calculate Clean Sand Volume: <br /> Volume Under Rock bed:Average Sand Depth x Medta Width x Media Length =cubic feet <br /> 3.5 ft X 10.0 ft X 62.5 ft = 2187.5 ft3 <br /> For a Mound on a slope from 0-146 <br /> Volume from Length=((Upslope Mound Height-1)X Absorption Width Beyond Bed X Media Bed Length) <br /> 4.00 ft -1) X 8•50 X 62.5 ft = 1593.75 <br /> Volume from Width=((Upslope Mound Height-1)X Absorption Width Beyond Bed X Media Bed Width) <br /> 4.00 ft -1) X 8.50 X 10 ft = 255.00 <br /> Totol Clean Sand Volume:Volume from Length+Volume Jrom�dth+Volume Under Medio <br /> 1593.8 ft; + 255.0 ft3 + 2187.5 ft3 = 4036.3 {t3 <br /> For a Mound on a slope greater than t% <br /> Upslope Volume:((Upsfope Mound Height -1)x 3 x Bed Length)+2=cubic feet <br /> (( 5.0 ft -1) X 3.O ft X 62.5 )+2= 375.0 ft' <br /> Downslope Volume:((Downslope Heiqht- 1) x Downslope Absorption Width x Medio Lenqth)+2=cubic feet <br /> (( 6.0 ft-1) X 17.0 ft X 62.5 )+2= 2656.3 ft; <br /> Ends(ope Volume:(Downslope Mound Heiqht-1) x 3 x Media Width =cubic feet <br /> ( 6.0 ft-1 ) X 3.0 ft X 10.0 ft = 150.0 ft; <br /> Tota!Clean Sand Volume:Upsfope Volume +pownslope Volume +Endslope Volume +Votume Under Media <br /> 375.0 ft3 + 2656.3 ft3 + 150.0 ft3 + 2187.5 ft'= 5368.8 ft3 <br /> Divide ft'by 27 ft'/yd'to calculate cubic yards: 5368.8 ft3 = 27 = 1qg,8 yd3 <br /> Add 20%for construdability: 198•8 yd3 X 1.2 = 238.6 yd' <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 /> ( 5.5 . 0.5 )ft X 64.3 ft X 119.6 )+2= 1 g234,9 ft3 <br /> Total Mound Volume-Clean Sand vo(ume-Rock Volume=cubic feet <br /> 19234.9 ft' - 5368.8 ft' - 781.3 ft3 = 13084.9 ft' <br /> Divide ft3 by 27 ft3/yd'to calculate cubic yards: 13084.9 ft' : 27 = 484.6 yd; <br /> Add 20%for constructability: 484.6 yd' x 1.2 = 581.6 yd' <br /> D. Calculate Topsoil Material Volume:Total Mound Width X Total Mound Length X.5 jt <br /> 64.3 ft X 119.6 ft X 0.5 ft = 3847.0 ft' <br /> Divide ft'by 27 ft3/yd;to calculate cubic yards: 3��•o ft3 = 27 = 142.5 yd3 <br /> Add 20%for construdability: 142.5 yd' x 1.2 = 171.0 yd' <br />