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` � � OSTP Mound Materials Worksheet UNIVERSITY <br /> Minnesota Pollution OF MINNESOTA <br /> Control Agency �=1�`' <br /> Project ID: v 11.09.22 <br /> A• Calculate Bed (rock)Volume:Bed Lertgth (2.0 X Bed Width 2.B)X Depth =Volume ft' <br /> 63.0 ft X 10.0 ft x �.o = 630.0 ft' <br /> Divide ft'by 27 ft'/yd3 to calculate cubic ards: <br /> 630.0 ft' + 27 - 23.3 yd; <br /> Add 20%for conswctability: 23.3 yd X 1.2 = 28.0 <br /> ' yd� <br /> B. Catculate Clean Sand Volume: <br /> Volume Under Rock bed:Average Sand Depth x Medio Width x Medio Length -cubic feet <br /> 2.6 ft x 10.0 ft x 63.0 ft = 1638.0 ft' <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 -t) X � X �ft - � <br /> Volume from Width=((Upstope Mound Height-1)X Absorption Width Beyond Bed X Media Bed Width) <br /> � ft -1) X �� X �ft - � <br /> Total Clean Snnd Volume:Volume Jrom Len [h+ftolume jrom��u f�Under Medr�� ft �ft <br /> 7 7 ; _ 3 <br /> For a Mound on a stope greater thaz�1% <br /> Upslope Volume:((Upslope Mound Height - 1)x 3 x Bed Length)�2=cubic feet <br /> (( 4.0 ft -t) X 3.0 ft x 63.0 )�2= 283.5 n3 <br /> Downslope Volume:((Downslo Height-f) x Downslope Absorptlon Wid[h x Medlo Length)+2=cubic feet <br /> (( 5.2 ft-�) x 10.0 ft x 63.0 )+2= 1323.0 ft' <br /> Endslope Vo(ume:(Downslope Mound Height- 1)x 3 x Med1a Width =cubic feet <br /> � 5.2 ft-1 ) X 3.0 ft X 10.0 ft = 126.0 ft' <br /> Tora(Cleai Sand Volume:Upslope Volume+Downslo Volume +Endslope Volume +Vdume Under Media <br /> 283.5 ft' + 1323.0 ft' + 126.0 ft' + 1638.0 ft'= 3370.5 ft' <br /> Divide ft'by 27 ft'/yd3 to calculate cubic yards: 3370.5 ft3 � 27 = 124.8 yd3 <br /> Add 20%for cornvuctability: 124.8 yd'X 1.2 = 149.8 yd' <br /> C. Calculate Sandy Berm Volume: <br /> Total Berm Votume(approx):�(Avg.Mound Height-0.5 ft topsoil)x Mound Width x Mound Length)+2-cubic feet <br /> ( 4.6 _ 0.5 )ft X 46.0 ft x 95.0 )�2= 8958.5 f�3 <br /> Tatal Mound Volume-Llean Sand volume-Rvck Yolume=cu6ic feet <br /> 8958.5 n' - 3370.5 ft' - 630.0 �t' = 4958.0 ft' <br /> Divide ft'by 27 ft3/yd3 to calculate cubic yards: 4958.0 ft' + 27 = 183.6 yd' <br /> Add 20%for constnxtability: 183.6 yd' x t.2 m 220.4 yd' <br /> D.Calculate Topsoil Material Volume:Total Mound Width X Total Mound Lerrgth X.5 jt <br /> 46.0 ft x 95.0 ft x o.5 ft = 2185.0 f�' <br /> Divide ft;by 27 ft3/yd�to cnlculate cubic yards: 2185.0 ft; + 27 = 80.9 yd3 <br /> Add 20%for constructability: 80.9 yd3 x 1.2 = 97.1 yd' <br />