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OSTP Mound Materials Worksheet UNIVERSITY �� <br /> Minnesota Pollution OF MINNESOTA � <br /> Control Agency `t, <br /> ProjectlD: v 06.12.13 <br /> A. Calculate Bed {rock)Vo(ume:Bed Length (2.0 X Bed Wrdth 2.B)X Depth =Volume ft3 <br /> 63.0 ft X 10.0 ft X 0.8 = 504.0 ft; <br /> Divide ft3 by 27 ft;/yd3 to calculate cubic ards: <br /> 504.0 ft� = 27 = 18.7 yd3 <br /> add 20�ror constructabiiity: 18J yd3 X 1.2 = 22,4 d3 <br /> Y <br /> B. Calculate C(eon Sand Volume: <br /> Volume Under Rock bed:Average Sond Depth x MediQ Width x Media Length =cubic feet <br /> z•1 ft X 10.0 ft X 63.0 ft = 1323.0 ft; <br /> For a Mound on a slope from 0-1% <br /> Volume from Ler.gth=((Upslope Mound Height-1 j X Absorption Width Beyond Bed X Media Bed Length) <br /> � � fi - 1) X X ft - <br /> Volume from Widcr=((Upslope Mound Height-1)X Absorption Width Beyond Bed X Media Bed Width) <br /> ft -1) X X ft - <br /> Tota!Ciecn Sand vo(ume: Volu�me from Length+ Volume from Width+Vo(ume Under Media <br /> ft3 + ft; + ft' = ft3 <br /> For a Mound on a slope greater than 1°6 <br /> Upslope Volume: ((Ups(ope Mound Height - 1)x 3 x Bed Length)+2=cubic feet <br /> ((� 3.6 ft -1� X 3.0 ft X 63.0 )+2- Zq4,� ft3 <br /> Downslope Vo(�ne: ((Downs(ope Height- 1) x Downslope Absorption Width x Media Lenqth)+2=cubic feet <br /> (! 4•2 ft-1) X 16.0 ft X 63.0 )�2= 1604.4 ft3 <br /> Ends(ope Volume: ,'Downsicpe Mound Height- 1) x 3 x Media Width =cubic feet <br /> ( 4•2 ft-1 ) X 3.0 ft X 10.0 ft = 95.5 ft; <br /> Tota!C(ean Sand Volume: Ups(ope Volume +Downslope Volume +Endslope Vo(ume +Vo(ume Under Media <br /> � 2��.� � r"i' + 1604.4 qt3 , pt3 + 1323.0 <br /> 95.5 ft3- 3267.0 ft3 <br /> Divide`t'by 2.'f�'/yd3 tc c�!culzte cubic yards: 3267.0 ft; s 27 = 121.0 yd3 <br /> Add 20%for constructability: �2�,0 ; - 3 <br /> yd X 1.2 - 145.2 yd <br /> C. Calculate Sondy denT Vo!ume: <br /> Tota!Berm Vo(ume(opprox):((Avg.Mound Height-0.5 ft topsoil)x Mound Width x Mound Length)+2=cubic feet <br /> i j•9 i _ 0.5 )ft X 43.0 ft X 89.0 )+2= 6474.7 ft; <br /> Tota(Mound Vo(ume-C(ean Sand vo(ume-Rock Vo(ume=cubic feet <br /> 6474.7 ft3 _ 3267.0 ft' - 504.0 ft; = 2703.6 ft' <br /> Divide ft'by 27 fr'lyd3 to calculate cubic yards: 2703.6 ft3 � 27 = 100.1 yd3 <br /> Add 20%for constru�tability: 100.1 yd3 x 1.2 = 120.2 d3 <br /> Y <br /> D. Catculate Topsoi!Moterio! Vo(um,e: Toto!Mound Width X Tota(Mound Length X.5 ft <br /> 43.0 ft X 89.0 ft X 0.5 ft = 1913.7 ft3 <br /> Divide ft''by 27 ft'/yd'to calculate cubic yards: 1913.7 ft3 s Z7 - �p�q yd3 <br /> Add 20%for const�uctability: 70.9 yd' x 1.2 = 85.1 3 <br /> yd <br />