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1 � �,� <br /> �- OSTP Mound Materials Worksheet UNIVERSITY <br /> Minnesota Poilutbn OF MINNESOTA ������,.�. <br /> Control Agency `L <br /> ProjectlD: v 07.14.15 <br /> A. Calculate Bed (rock)Vo(ume:Bed Lenqth (2.0 X Bed Width 2.6)X Depth =Volume ft' <br /> 63.0 ft X 10.0 ft X 0.8 = 504.0 � <br /> Divide ft3 by 27 ft'/yd'to calculate cubic ards: <br /> 504.0 ft3 � 27 = 18.7 yd3 <br /> Add 20%for constructability: �g,7 s <br /> yd3 X 1.2 22.4 yd3 <br /> B. Calculate Clean Sand Volume: <br /> Volume Under Rock bed:Average Sond Depth x Medio Width x Media Len th =cubic feet <br /> 2.3 ft X 10.0 ft X 63.0 ft = 1449.0 ft1 <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=((Upslope Mound Height-1)X Abwrption Width Beyond Bed X Media Bed Width) <br /> ft -1) X X ft = <br /> Total Clean Sond Volume: Volume Jrom Length+Volume from Width+Volume Under Media <br /> ft; + �_� ft� + ft; = ft3 <br /> For a Mound on a slope greater than 1% <br /> Ups(ope Volume:((Upslope Mound Height - 1)x 3 x Bed Length)�2 m cubic feet <br /> (( 3.3 ft -1) X 3.0 ft X 63.0 )w 2= 220.5 ft3 <br /> Downslope Volume:((Downslope Height- 1) x Downstope Absorption Width x Media Length)+2=cubic feet <br /> (( 4.3 ft-1) X 16.0 ft X 63.0 )+Z= 1680.0 ft3 <br /> Endstope Volume:(Downs(ope Mound Height- 1) x 3 x Medio W1dth =cubic feet <br /> ( 4.3 ft-1 ) X 3.0 ft X 10.0 ft = 100.0 ft3 <br /> Toto!Clean Sand Volume:Upslope Volume +pownslope Volume +Endslope Volume *Volume Under Media <br /> 220.5 ft; « 1680.0 ft3 + 100A ft3 + 1449.0 ft3= 3449.5 ' <br /> ft <br /> Divide ft'by 27 ft'/yd;to calculate cubic yards: 3449.5 ft3 = 27 = 127.8 yd3 <br /> Add 20�for constructability: 127.8 yd3 X 1.2 = 153.3 yd3 <br /> C. Calculate Sondy Berm Volume: <br /> Total Berm Volume(approx):((Avg.Mound Height-0.5 ft topsoit)x Mound Width x Mound Length)*2=cubic feet <br /> ( 3.8 _ 0.5 )ft X 43.3 ft X 89.0 )+z� 6419.9 ft3 <br /> Tota!Mound Volume-C(eon Sond volume-Rock Volume=cubic feet <br /> 6419.9 ft3 _ 3449.5 ft3 _ 504.0 ft3 = 2466.4 ft3 <br /> Divide ft'by 27 ft'/yd3 to calculate cubic yards: 2466.4 ft; s 27 = q�,3 yd3 <br /> Add 20%for constructability: q1.3 yd3 X �,Z = �pq,6 yd3 <br /> D. Calculate Topsoll Materia!Volume:Total Mound Width X Total Mound Length X.5 ft <br /> 43.3 ft X 89.0 ft X 0.5 ft = 1926.0 � <br /> Divide ft3 by 27 ft'/yd3 to calculate cubic yards: 1926.0 ft' � 27 = 71.3 yd; <br /> Add 20%for construcWbility: 71•3 yd' x 1.2 = 85.6 ; <br /> yd <br />