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OSTP Mound Materials Worksheet UNIVERSITY ,�,�.; <br /> Minnesota Pollution OF MINNESOTA 1 '° � <br /> Control Agency �+���. <br /> ProjectlD: v 06.12.13 <br /> A• Calculate Bed (rockj Volume:8ed Length (2.0 X Bed Width 2.B)X Depth =Volume ft' - <br /> 63.0 ft X 10.0 ft X 1.0 630.0 ft3 <br /> Divide ft'by 27 ft'/yd'to calculate cubic ards: <br /> 630.0 {�; ;. 27 = 23.3 yd3 <br /> Add 20%for constructability: 23.3 yd;X L2 = 2g.p yd3 <br /> B. Calculate Clean Sand Volume: <br /> Volume Under Rock bed:Average Sand Depth x Media Width x Medio Length =cubic feet <br /> 2.3 ft X 10.0 ft X 63.0 ft = 1449.0 ft; <br /> For a hbund on a slope from 0-1% <br /> Volume from Length=((Upslope Mound Height-1)X Absorption Width Beyond Bed X Media Bed Length) <br /> r-� ft -1) X C� X ��ft - �� <br /> Volume from Width=((Upslope Mound Height-t)X Absorption Width Beyond Bed X Media Bed Width) <br /> � ft 1) X �� X L-�ft � <br /> To[a(Cleon Sand Volume: Volume from Length+Volume from Width+Volume Under Media <br /> �� ft� ` � ft3 + � ft' _ �ft' <br /> For a Mound on a slope greater than 1% <br /> Upslope Vo(ume:((Ups(ope Mound Neight - 7)x 3 x 8ed Lenpth)-2=cubic feet <br /> (( 4•a ft -1) X 3.0 ft X 63.0 )=z- 283.5 ft� <br /> Downs(ope Vo(ume:((Downs(ope Heigbt- t) x Downslope Absorption Width x Medio Lenqth)+2=cubic feet <br /> (l 4.6 ft-1) X 17.0 ft X 63.0 )�2= 19D.8 ft; <br /> Endslope Volume:(Downslope Mound Height- 1) x 3 x Media Width =cubic feet <br /> ( 4.6 ft-1 ) X 3.0 ft X 10.0 ft = 108.0 ftl <br /> Totol C/ean Sand Vo(ume:Upslope Volume +Downslope Vofume +Endslope Volume +Volume Under Media <br /> 283.5 ft3 . 1927.8 {t3 + 108.0 ft' + 1449A ft3= 3768.3 ft' <br /> Divide ft'by 27 ft3/yd'to calculate cubic yards: 3768.3 ft' : 27 = 139.6 yd� <br /> Add 20%for corutructability: 139.6 yd'X 1.2 = 167.5 d3 <br /> Y <br /> C. Calculate Sandy Berm Volume: <br /> Tota(Berm Volume(approx):((Avg.Mound Height-0.5 ft topsoit)x Mound Width x Mound Length)�2=cubic feet <br /> ( 4.3 _ 0.5 )ft X 50.O�ft X 91.0 )=Z= gbq5.p ft� <br /> -J <br /> Tota!Mound Volume-Clean Sand vo(ume-Rock Vofume=cubic feet <br /> 8645.0 {t3 _ 3768.3 ft' - 630.0 ft3 = 4246.7 ft; <br /> Divide ft3 by 27 ft;/yd'to calculate cubic yards: 4246.7 ft' : 27 = 157.3 yd� <br /> Add20%forcorntructability: �57,3 Yd' X � z - �88� yd3 <br /> D.Calculate Topsoi(Materia(Vo(ume:Total Mound Width X Tota(Mound Length X.5 ft <br /> 50.0 ft X 91.0 ft X 0.5 ft = 2275.0 ft3 <br /> Divide ft'by 27 ft3fyd3 to calculate cubic yards: 2275.0 �3 ; Z7 � gq,3 Yda <br /> Add 20%forcanstructabitity: 84.3 yd' x 1.2 = tp1.1 d' <br /> y <br />