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i �, �, <br /> '�--- OSTP Mound Materials Worksheet UNIVERSITY � <br /> Minnesota Pollution OF MINNESOTA ������"'"� <br /> Control Agency `�,,, <br /> ProjectlD: �06�2 �3 <br /> A• Calculate Bed(rock)Volume:Bed Length (2.0 X Bed Width 2.6)X Depth =Volume ft' <br /> 63.0 ft X 10.0 ft X 1.0 = 630.0 {�3 <br /> Divide ft'by 27 ft3/yd'to calculate cubic ards: <br /> 630.0 ft3 + 27 = 23.3 �yd; <br /> Add 20%for constructability: 23.3 yd'X 1.2 = 28.0 3 <br /> yd <br /> B. Calculate Clean Sond Volume: <br /> Volume Under Rock bed:Averoqe Sand Depth x Media Width x Media Length =cubic feet <br /> 1.8 ft X 10.0 ft X 63.0 ft = 1155.0 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 /> ft •1) X X ft - <br /> Volume from Width=((U slope Mound Height•1)X Absorption Width Beyond Bed X Media Bed Width) <br /> ft -1) X X ft = <br /> Total C(ean Sond Volume: Volume jrom Length+Volume from Width+Volume Under Medfa <br /> ft; + ft; + ft3 = ft; <br /> For a Mound on a slope greater than 1% <br /> Upslope Volume:((Upslope Mound Hei ht - 1)x 3 x Bed Length)*2=cubic feet <br /> (( 3.3 ft -1) X 3.0 ft X 63.0 )*2= Z2p,5 ft3 <br /> Downslope Volume:((Downslo e Hei ht- 1) x Downslope Absorption Width x Media Length)+2=cubic feet <br /> (( 4.3 ft-1) X 16.0 ft X 63.0 )+2- 1680.0 ft3 <br /> Endslope Vo(ume:(Downslo Mound Height- 1) x 3 x Medfo Wldth =cubic feet <br /> ( 4.3 ft-1 ) X 3.0 ft X 10.0 ft = 100.0 ftl <br /> Total Clenn Sand Vo(ume:Upslope Volume +pownslope Volume +Endslope Volume +Votume Under Media <br /> 220.5 ft3 + 1680.0 ft3 + 100.0 ft3 + 1155.0 ft3= 3155.5 ft3 <br /> Divide ft'by 27 ft'/yd'to calculate cubic yards: 3155.5 ft3 + 27 - ��6,q yda <br /> Add 20%for constructability: ��6.q yd3 X � 2 - �40 2 3 <br /> Yd <br /> C. Calculate Snndy Berm Volume: <br /> Total Berm Volume(approx):((Avg.Mound Height-0.5 ft topsoil)x Mound Width x Mound Length)+2=cubic feet <br /> ( 3.8 . 0.5 )ft X 46.6 ft X 89.0 )+2= 6912.8 ft3 <br /> Tota/Mound Volume-Cleon Sond volume-Rock Volume=cubic Jeet <br /> 6912.8 ft3 - 3155.5 ft3 - 630.0 ft3 - 3127.3 ; <br /> ft <br /> Divide ft'by 27 ft'/yd'to calculate cubic yards: 3127.3 ft' � 27 = 115.8 yd; <br /> Add 20%for consVuctability: ��5.$ 3 _ ; <br /> yd x 1.2 - 139.0 yd <br /> D. Calculate Topwi!Moteriol Volume:Totel Mound Width X Total Mound Lenqth X.5 ft <br /> 46.6 ft X 89.0 ft X 0.5 ft = 2073.8 ft3 <br /> Divide ft'by 27 ft'/yd;to calcutate cubic yards: 2073.8 pt3 � 27 m �6,g yds <br /> Add 20%for constructability: 76.8 yd; x 1.2 = 92.2 ; <br /> yd <br />