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�� �� OSTP Mound Materials Worksheet UNIVERSITY <br /> Mtnnesota Pollution OF IVIINNBSOTA <br /> ConNolAgenty ' � <br /> Pre ect : v 05.13.id <br /> A. Calcutate Bed(rock)Yolume;Bed length (2.0 X 8ed Width 2.8)X Depth e Volume ft <br /> 50.0 ft X 10.0 ft X 1.0 = 500.0 ft� <br /> Div(de ft'by 27 ft'Jyd�to catculate cubic ards: <br /> 500A ft3 � 27 = 18.5 yd; <br /> Add 20%for constructabflity: 1$•5 ydi X 1.2 = 22,2 yd3 <br /> B. Calculate Ctean Sond Volume: <br /> Yol ume Under Rock bed:Averaqe Snnd De t�Width x Medfa Len th =tubic feet � �� 3 <br /> 1.8 ft X 10.0 ft X 50.0 ft - 875.0 ft <br /> For a Maund on a sla e from 0-1% <br /> Volume from Len th=((U lope Mound Height-1)X Abso�Qtton Width Beyond Bed�Length� _ �� <br /> 3.00 ft -1) X 3.OD X 50 ft 30D.OD <br /> Volume from Width=((U slope Mound Hetght-1)X Ab�o�dth Beyond Bed��Width) ` Q <br /> 3.00 ft -1l X 3.00 X 10 ft 60.00 <br /> Totaf C(ean Sand Volume:Volume Jrom Len th+;olume from Width+Vofume Uader M+edi� 3 � ' <br /> 300.0 {t + 60.0 ft + 875 ft = 1235.0 ft <br /> For a Mound on a sl e eater than 1% <br /> Upslape Volume:{(Upslope Mound Hei ht -!�x 3 x 8ed Length)*2=cubic feet <br /> q 3.0 ft -1) X 3.0 ft X 50.D )+2- 150.0 ft' <br /> pownsfope Volume:{(Downsto e Nef hf-1)x Downstope Absorption Width x Media Lengih)�2=cubic feet <br /> (( 4.5 ft-1► X 1U.0 ft X 50.0 )+y=' $75.0 {t3 <br /> Endslape Volume:�Dawnslo Mound Hei ht- 1)x 3 x Medla Width =cubic feet <br /> ( 4.5 ft-1 ) X 3.0 ft X 10.0 ft = 105.0 ft3 <br /> Totnl Clean Sand�ps(ope Volume +Downslo Vo3ume+£ndsl_ o�e Votume +Volume Unde� ' � <br /> 150.0 ft + 875.0 ft t 105.0 ft + 875.0 ft = 2005.� � <br /> Divide ft'by 27 ft'/yd'to catculate abic yards: 2005.D ft' � 27 = 74.3 yd' <br /> Add 20�for consVtxtability: 74.3 yd�X 1.2 = 89•1 yd' <br /> C. Calalate Sandy Serm Votume: <br /> Totol Berm Volume� rox):({Avg.Mound Height•0.5 ft topscsil)x Nroun���und Len +2=cubic feet �� <br /> 3.8 0.5 )ft X A2.1 ft X Sb.O )+2- 5$83.5 p�3 <br /> Total Mound Votume-Clean Sand volume-Rock Volume=tubic feet <br /> 5883.5 ft3 . ?005.0 ft' - 500.0 ft' = 3378.5 ft� <br /> Divide ft'by 27 ft'/yd'to calwlate cubic yards. 3378.5 ft' + 27 = 125•t yd' <br /> Add 20R for constructability: 125.1 yd3 x 1.2 = 150.2 yd' <br /> D. Calculate Topsoit Moterlai Volume:Totai Mound Wfdih X 7oto1 Mound Length X.5 J! <br /> 42.1 ft X 86.0 ft X 0.5 ft y 1810.3 ft' <br /> Divide ft'by 27 tt3/yd3 to calculate cubic yards: 1810.3 ft' + 27 = 67.0 yd' <br /> Add 20%for coi�structability: 67.0 yd' x 11 = 80.5 yd3 <br />