Laserfiche WebLink
OSTP Mound Materials Worksheet UNIVERSITY <br />Minnesota Pollution OF MINNESOTA <br />Control Agency <br />Project ID: 07142017SoilIDA v 04.06.2017 <br />A. Calculate Rock Volume: (Rock Below Pipe + Rock to cover pipe (Pipe oots,de dia+ -2 inch)) X Bed Len th (2. D) X Bed Width (2.B) = Volume (ft3) <br />( Chambers in + in 12 X �ft X ft ft3 <br />Divide ft3 by 27 ft'/yd' to calculate cubic yards:. <br />ft' s 27 = yd3 <br />Add 20% for constructability: Q yd3 X 1.2 = 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 />2.0 ft X 10.0 ft X 30.0 ft = 600.0 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 />4.17 ft -1) X 2.50 X 30 ft = 237.75 <br />Volume from Width = ((Upslope Mound Height - 1) X Absorption Width Beyond Bed X Media Bed Width) <br />4.17 ft -1) X 2.50 X 16 ft <br />Total Clean Sand Volume: Volume from Length + Volume from Width + Volume Under Media <br />237.8 ft3 + 79.3 ft' + 500 ft' = 917.0 ft' <br />For a Mound on a slope greater than 1% <br />Upslope Volume: ((Upslope Mound Height - f ) x 3 x Bed Length) + 2 = cubic feet <br />((� ft -1) X 3.0 ft X )=2_ ft3 <br />Downslope Volume: ((Downslope Height - 1) x Downslope Absorption Width x Media Length) + 2 = cubic feet <br />Q ft -1) X ft X )+2= ft3 <br />Endslope Volume: (Downslope Mound Height - 1) x 3 x Media Width = cubic feet <br />(� ft -I ) X 3.0 ft X Oft = Oft' <br />Total Clean Sand Volume: Upslope Volume + Downslope Volume + Endslope Volume + Volume Under Media <br />ft3 + � ft' + � ft3 + �ft3 ft3 <br />Divide ft3 by 27 ft3/yd3 to calculate cubic yards: 917.0 ft3 = 27 34.0 yd3 <br />Add 20% for constructability: 34.0 yd' X 1.2 = 40.8 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 />( 2.6 0.5 )ft X 15.0 ft X 35,0 )-2= 551.3 ft' <br />Total Mound Volume - Clean Sand volume -Rock Volume = cubic feet <br />551.3 ft3 - ft' - ft3 = 551.3 ft3 <br />Divide ft3 by 27 ft3/yd3 to calculate cubic yards: 551.3 ft, _ 27 = 20.4 yd3 <br />Add 20% for constructability: 20.4 yd3 x 1.2 = 24.5 yd3 <br />D. Calculate Topsoil Material Volume: Total Mound Width X Total Mound Length X.5 ft <br />18.3 ft X 3$.3 ft X 0.5 ft = 351.4 ft' <br />Divide ft3 by 27 ft'/yd3 to calculate cubic yards: 351.4 ft3 - 27 = 13.0 yd' <br />Add 20% for constructability: 13.0 yd3 x 1.2 15.6 yd3 <br />