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Mound Materials Worksheet <br /> File)1: SD1000317 <br /> A-Calculate Rods Volume:(Rock Below Pipe+Rock to cover cutdde&a+-2 torn))X Bed Length 2.D)X Bed Width (2.6)=Volume ft' <br /> ( 6 in + in 12 X 50.0 ft X 10.0 ft = 250.0 ft3 <br /> Divide ft'by 27 ft'/yd'to calculate cubic <br /> 250.0 ft3 27 = 9.3 yd; <br /> Add 20%for constructability: 9.3 yd3 X 1.2 = 11.1 yd3 <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 Media Width x Media Length =cubic feet _ <br /> 2.1 ftX 10.0 ft X 50.0 ft = 1050.Oft3 <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) <br /> X --- X I <br /> 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 Staid Volume:Volume from Length+Volume from Width+Volume Lkider Media <br /> ft' + ft' + ft' <br /> For a Mound on a slope greater than 1% <br /> Upstope Volume:((Upslope Mound Height-1)x 3 x Bed Length)>2=cubic feet <br /> (( 3.9 it -1) X 3-0 ft X 50.0 )+2= 213.8 ft3 <br /> Downslope Volume:((Downslope Height-1) x Downslope Absorption Width x Media Length)+2=cubic feet <br /> (( 4.4 ft 1) X 17A ft X 50.0 )+2= 1423.8 <br /> Endslope Volume:(Downslope Mound Ffeight-1)x 3 x Meda Width =cubic feet <br /> (1 4.4 ft-1 ) X 3.0 ft X 10.0 ft 100.5 ft3 <br /> Total Clean Sand Volume:Upslope Volume +Downslope Volume +&Mblope Volume+Volume Under Media <br /> 213.8 + 1423.8 11 ft' + 100.5 ft' + 1050.0 ft3= 2788.0 ft1 <br /> Divide ft'by 27 ft3/yd'to calculate cubic yards: 2788.0 ft3 = 27 = 103.3 yd3 <br /> Add 20%for constructabitity: 1 103-3 yd3 X 1.2 = 123° 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 /> ( 4.1 0.5 )ft X 46.0 ft X 80.0 ) 2= 6624.0 ft3 <br /> Total Mound Volume-Clean Sand volume-Rock Volume=cubic feet _ <br /> 6624.0 ft' 2788.0 ft' - I fe = 3586.0 f[' <br /> Divide ft'by 27 ft'/yd'to calculate cubic yards: 3586.0 ft3 a 27 = 132.8 yd3 <br /> Add 20%for corstructabitity: 132.8 1 yd3 x 1.2 = 159.4 yd3 <br /> D.Calculate Topsoil Material Volume:Total Mound Width X Total Mound Length X_5 ft <br /> 46.0 ft X I ft X 0.5 ft = 1840.0 ft3 <br /> Divide ft'by 27 fe/yd3 to calculate cuibic yards: 7`840 1 ft3 a 27 - 68.1 yd3 <br /> Add 20%for constructabitity: 68.1 yd3 x 1.2 = 81.8 yd3 <br />