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"` OSTP Mound Materials Worksheet UNIVERSITY ���' <br /> Minnesota Pollution OF MINNESOTA � <br /> Control Agency �, <br /> Project ID: v 07.14.15 <br /> A. Calcutate Bed (rock)Vo(ume:Bed Length (2.0 X Bed Width 2.6)X Depth =Vo(ume ft3 <br /> 63.0 ft X 10.0 ft X 0.8 = 504.0 ft3 <br /> Divide ft'by 27 ft3/yd;to calwlate cubic ards: <br /> 504.0 ft3 � 27 = 18.7 yd3 <br /> Add 20%for constructability: �g,7 yda X � 2 - r;Z 4 Yd3 <br /> �_ ` <br /> B. Calculate C(eon Sond Volume: <br /> Volume Under Rock bed:Average Sond DepYh x Media Width x Media Length =cubic feet <br /> 1•9 ft X 10.0 ft X 63.0 ft = 1197.0 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 s <br /> Volume from Width=((Upstope Mound Height•t)X Absorption Width Beyond Bed X Media Bed Width) <br /> ft -1) X X ft m <br /> Total Clean Sand Volume: Vo(um��+Volume from W�dth+Vo/ume Under Medin <br /> ft' + ft' + ft3 = ft3 <br /> For a Mound on a slope greater than 1% <br /> Upslope Volume:((Upslope Mound Heiqht - 1)x 3 x Bed Length)+2=cubic feet <br /> (( 3•a ft -1) X 3.O ft X 63.0 )+2= 189.0 ft; <br /> Downslope Votume: ((Downslope Height- 1) x Downslope Absorption Width x Media Length)+2=cubic feet <br /> (( 3.8 ft•1) X 16.0 ft X 63.0 )+2- 1411.2 ft; <br /> Endslope Volume: (Downslope Mound Height- 1) x 3 x Media Width =cubic feet <br /> ( 3.8 ft-1 ) X 3.0 ft X 10.0 ft = 84.0 ft3 <br /> Tota(Clean Sartd Vo(ume:Upslope Volume +Downslope Volume +Ends(ope Volume +Volume Under Medio <br /> 189.0 ft3 + 1411.2 pt' + 84.0 ft3 + 1197.0 ft3- 2881.2 3 <br /> ft <br /> Divide ft3 by 27.'t'/yd3 to calculate cubic yards: 2881,2 ft3 � Z7 = �pb,� yda <br /> Add 20%for constructability: 106,7 3 _ 3 <br /> yd X 1.2 - 128.1 yd <br /> C. Calculate Sandy Berm Vo(ume: <br /> Tota!Berm Volume(approx):((Avg.Mound Height-0.5 ft topsoil)x Mound Width x Mound Length)+2=cubic feet <br /> ( 3•4 - 0.5 )ft X 41.0 ft X 87.0 )*2= 5172.2 ft3 <br /> Tota(Mound Volume-Clean Sand volume-Rock Volume=cubic feet <br /> 5172.2 {t3 _ 2881.2 ft3 - 504.0 ft3 = 1787.0 ft; <br /> Divide ft3 by 27 ft'/yd'to calculate cubic yards: 1787.0 ft3 � 27 = � 66.2 yd3 <br /> �__ <br /> Add 20%for constructability: 66.2 yd3 X �,2 = 79.4 3 <br /> yd <br /> D. Calculate Topsoi!Moterial Volume:Total Mound Width X Tota/Mound Length X.5 ft <br /> 41.0 ft X 87.0 ft X 0.5 ft = 1783.5 ft3 <br /> Divide ft3 by 27 ft3/yd3 to calculate cubic yards: 1783.5 ft; f 27 - (�.� yda <br /> Add 20%for constructability: 66.1 yd3 x 1.2 = 79.3 3 <br /> yd <br />