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OSTP Mound Materials Worksheet UNIVERSITY , , �°�>�� <br /> �� <br /> Minnesota Pollution OF MINNESOTA '�,���, <br /> Control Agency - <br /> ProjectlD: v 06.12.13 <br /> A• Calculate 8ed (rock)Volume:Bed Length (2.0 X Bed Width 2.8)X Depth =Volume (ft;) <br /> 22.0 ft X 10.0 ft X 1.0 = 220.0 ftl <br /> Divide ft'by 27 ft'/yd3 to calwlate cubic ards: <br /> 220.0 ft' _. 27 = 8.1 yd' <br /> Add 20%for wnstructability: 8�� yd'X 1.2 = 9•8 yd3 <br /> B. Calculate C1ean Sand Votume: <br /> Volume Under Rock 6ed:Averoge Sarrd Depth x Media Width x Media Length =cubic feet <br /> 1.3 ft X 10A ft X 22A ft = 286.0 (t3 <br /> For a Mound on a slope from 0-1% <br /> Volume from Length=((Upslope Mound Height-t)X Absorption Width Beyond Bed X Media Bed Length) <br /> � ft -1) X � X �ft - � <br /> Volume from Width=((Upslope Mound Height-1)X Absorption Width Beyond Bed X Media Bed Width) <br /> � f� -1) X � X �f[ _ � <br /> Toto(Cleon Sand Volume: Vofume from Length+Vo(ume from Width+Volume Under Media <br /> � ft� + � ft' + � ft3 = �ft3 <br /> �J <br /> For a Mound on a slope greater than 1% <br /> Upslope Vofume: ((Ups(ope Mound Heiqht - 1)x 3 x Bed Length)+2-cubic feet <br /> (( 3A ft -1) X 3.Oft X 22.0 )+2= 66.0 ft; <br /> Downslope Volume: ((Downslope Height- 1) x Downslope Absorption Width x Media Length)�2=cubic feet <br /> (( 3.6 ft-1) X 14.0 ft X 22.0 )+2= 400.4 ft3 <br /> Ends(ope Volume:(Downs(ope Mound Heiqht-1)x 3 x Media Width =cubic feet <br /> ( 3.6 ft-1 ) X 3.0 ft X 10.0 ft = 78A ft; <br /> Tota(Clean Sand Volume:Upslope Voiume +Downslope Volume +Ends(ope Vo(ume +Volume Under Media <br /> 66.0 ft3 � 400.4 ft� + 78.0 ft' + 286A ft'= 830.4 {t3 <br /> Divide ft3 by 27 ft'/yd'to catculate cubic yards: 830.4 ft3 ; 27 = 30.8 yd' <br /> Add 20%for constructability: 30.8 yd'X 1.2 = 36.9 yd' <br /> C. Calculate Sandy Berm Vo(ume: <br /> Toial Berm Volume(approx):((Avg.Mound Height-0.5 ft topsoil)x Mound Width x Mound Length)=2=cubic feet <br /> ( 3.3 _ 0.5 )ft X 39A ft X 44.0 )�2= 2402.4 ft3 <br /> Total Mound Volume-Clean Sand volume-Rock Volume=cubic feet <br /> 2402.4 ft' _ 830.4 ft' _ 220.0 {t3 = 1352A ft' <br /> Divide ft3 by 27 ft'/yd;to calculate cubic yards: 1352A ft' = 27 = 5p,1 yd3 <br /> Add 20%for constructability: 50.1 yd} x 1.� = 60.1 yd3 <br /> D. Calculate Topsoif Materiaf Volume:Tota!Mound Wid[h X Tota!Mound Leng[h X.S ft <br /> 39.0 ft X 44.0 ft X 0.5 ft = 858.0 ft3 <br /> Divide ft'by 27 ft'/yd'to catculate cubic yards: 858.0 ft; = 27 = 31.g yd3 <br /> Add 20%for constructability: 37.8 yd' x 1.2 = 3g.1 yd3 <br />