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OSTP Mound Materiats Worksheet UNIVERSITY � <br /> Minnesota PoBution OF MINNESOTA � .,„.,., ,L.ti <br /> Co�troi Agency 1,,, <br /> ProjectlD: v 06.12.13 <br /> A.Calcutate Sed(rock)Volume:Sed Lengti� (2.0 X Bed Width 2.6)X Depth =Yolume ft' <br /> b3.0 ft X 90.0 ft X 1.0 = 630.0 ft3 <br /> Divide ft'by 27 ft'Jyd'to calculate cubic rds: <br /> 630.0 ft' = 27 = 23.3 yd' <br /> Add 20%for constructabitity: 23.3 yd3 X 1.2 = 28.0 yd' <br /> 8. Calculate C1ean Sand Volume: <br /> Volume Under Rak bed:Averoge Sand Depth x Medio Width x Mediv Length =cubic feet <br /> 1•7 ft X 10.0 ft X 63.0 ft = 1092.0 ft' <br /> For a Mound on a slope from 0-1% <br /> Volume from Le�gth=((Upslope AAound Height-t)X Absorption Widih Beyond Bed X Media Bed Length) <br /> 1_� ft t) X C� X ��ft - L_� <br /> Volume from Width=((Upslope Mound Height-1)X Absorption Width Beyond Bed X Media Bed Width) <br /> �� ft -1) X �� X ��ft - � <br /> Toial Clean Sand Volume:Yo(ume from Length+Volume Jrom Width t Volume Under Media <br /> � ft3 � � ft; ' �� ft' _ ��ft' <br /> For a Mbund on a slope greater than 1% <br /> Upslope Volume:((Upslope Mou�Height -f)x 3 x 8ed tength)+2=cubic feet <br /> (( 3.3 ft -1) X 3.0 ft X 63.0 )+2= 220.5 {t3 <br /> Downslope Vo(ume:((Downstope Neight- t)x Dowrntope Absorpdon Width x Media Length)+2=cubic feet <br /> {{ 4.1 ft-1) X 70.0 ft X 63.0 )�2= 987.0 ft� <br /> Ends(ope Vo(ume:{Downslope Mound Height-1)x 3 x Media Width =cubic feet <br /> ( 4_1 ft-t ) X 3.0 ft X 10.0 ft = 94,p {�3 <br /> Toto!Qean Sand Volume:Upslope Votume +pownstope Volume +Endslope Vo(ume +Volume Under Media <br /> 220.5 ft� . 987.0 ft; + 94.0 ft' + 7092A {t3= 2393.5 ft; <br /> Divide ft3 by 27 ft31yd3 to calculate cubic yards: 2393.5 ft' ; 27 = 88.6 yd� <br /> Add 20%for constructabitiiy: �•6 yd3 X 1.2 = 106.4 yd� <br /> C. Catculate S�dy Berm Voiume: <br /> Totoi 8erm Volume(approx):((Avg.Mound Height-0.3 ft topsoit)x Mound Width x Mouhd Length)w 2=cubic feet <br /> ( 3.7 _ 0.5 )ft X 37.0 ft X 89.0 )=2= 5323.7 ft; <br /> Total h�Ound Volume-Clean Sand vo(ume-Rock Volume=cu6ic fee[ <br /> 5323.7 � - 2393.5 ft; - 630.0 ft' _ 23�.2 ft' <br /> Divide ft'by 27 ft'lyd'to calculate cubic yards: 2300.2 ft' ; 27 = g5,2 yd; <br /> Add 20%for constructabilitY� 85.2 yd' x t Z = 102_2 yd3 <br /> D.Catculate Topsoil Materio!Volume:Total Mound Width X Tota!Mtwrrd length X.5 ft <br /> 37.0 ft X 89.0 ft X 0.5 h = 7646,5 ft3 <br /> �ivide ft�by 27 ft'/yd3 W caicutate cubic yards: ��•5 ft' e 27 = 61.0 yd3 <br /> Add 20%for constructabitity: 61.0 yd; x 1.2 = 73.2 y�3 <br />