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i <br /> �-�- OSTP Mound Materiats W rksheet UNIVERSITY �'��� <br /> Mtnnesota Pollutbn OF MINNESOTA ���1�'�, <br /> Conhol Ayency �,� <br /> roject : v 03.19.15 <br /> A• Calcutate Bed (rock)Volume:Bed�e�qth (2.0 X 8ed Wldth 2.B)X Depth -Vplume ft <br /> �•0 ft X 10. ft X 0.8 - �00.0 ft� <br /> Divide ft'by 27 ft'/yd�to calculate c ards: � <br /> 400. ft3 t 27 � 14.8 yd3 <br /> Add 20%for co�xtnictability: 14.8 yd'X 1.2 = 17.8 <br /> yd' <br /> B. Calculate Cleon Sand Volume: <br /> Volume Under Rock bed:Averoge Sond pepth x Medre W3dth x Medlo Len th =cubic f t <br /> 1.6 ft X 10.0 ft 50.0 ft - �8pp,p ft3 <br /> For a Mound on a al e from 0-1% <br /> Volume from length-((Upslope Mound Height-1)X Absorptlp�W��g�yp�g�X ' ����� <br /> ft -1) X X ft = <br /> Volume from Width=(Npslope A�bund Height-1 X Abso tlon Width Beyond Bed X Bed Wid[h) <br /> ft -1) X X n z <br /> Totol Cleon Scnd Volume: Volume rom Len th+Volume Jrom Wtdth+ Volume Under a <br /> n <br /> ft ' ft' .' n� a ft� <br /> For a Mound on a s Qreater than 1% <br /> Upslope Vo(ume:((Upslope Mound Hef ht - f)x 3 x 8ed Lmgth)'2-cubk feet ' <br /> (( Z•9 ft -1} X 3.Oft X 50.0 � )+y. 143.8 � <br /> ft <br /> Dowr►s(ope Vofume: (�Downslo e Hef ht- 1) x Dowr�slcpe ppsarption Width x Medfo Len h)+2-cubk feet <br /> (( 3.8 ft-1) X 16.0 ft X 50.0 ),2 a 1126.7 f�� <br /> Endsfope Volu►ne:(Downsl Abund 1�1e► ht• 1) x 3 x Medfa Width -cubic feet <br /> ( 3.8 ft-1 ) X 3.0 ft X 10.0 ft � �gq,s ft3 <br /> Totol Uea�Snnd Volume:U ! L' - <br /> ps ope Volume +Downslope Vdume •Endslope Volurr�! +Y me Under Medfa <br /> 143.8 ft� + 1126.7 ft3 , 84.5 n� 800.0 ft�• 2154.9 {t� <br /> Divide ft'by 27 ft'/yd3 to calculate cubic yards: 2154.9 ft' + 27 = 79.8 yd� <br /> Add 20%for constructability: �.8 a <br /> yd'X 1.2 95.8 yd3 <br /> C. Catculate Sondy grrm Volume: <br /> To[a(Berm Volume( ox):((Avg.Mound►1ei�ht-0.5 ft topsoil x Mound Nridth x Mound th � <br /> ) 2=cubic feet <br /> ( 3.4 _ 0.5 )ft X 39.0 ft X 74.0 <br /> )+2- 4136.6 n� <br /> Tota(Mound Vo(ume-Cleon Sond vo(ume-Rock Volume=cubfc Jeet <br /> 4136.6 ft� • 2154.9 ft� - 400.0� ft3 � 1581.7 3 <br /> ft <br /> Divide ft'by 27 ft'/yd'to calculate cubk yards: 1581.7 ftj + 27 = 5g.6 yd� <br /> Add 20X for construccabllity: 58.6 , <br /> yd� x 1.2 70.3 yd3 <br /> D• Calculate Topsoll Moterfo(Volume:Totol Mound Width X Toto/Mound Length X.5 ft <br /> 39.0 ft X 7/.0 ft X 0.5 ft • 1443.0 f�� <br /> Divide ft'by 27 ft�/yd'to catcutate cubic ynrds: �qq3,p ft� f 2� _ <br /> 53.4 y� <br /> Add 20%for constructnbility: 53.4 � <br /> yd3 x 1.2 6q.1 �a <br />