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���- OSTP Mound Materiats Worksheet UNIVERSITY � � <br /> �,��� <br /> MionesotaPollution OF�INNESOTA :.�����-�: <br /> Control Agency ' <br /> ProjectlD: v 11.09.22 <br /> A. Calculate 8ed(rock)Volume:Bed Length (2.0 X Bed�dth 2.6)X Deptb =Volume ft3 <br /> 63.0 ft X 10.0 ft X t.0 = 630.0 ft' <br /> Qivide ft'by 27 ft3/yd'to calculate cubic ards: <br /> 630.0 ft3 : 27 = 23.3 yd' <br /> Add 20%for constructabitity: 23.3 yd'X 1.2 = 28.0 yd' <br /> B. Calculate C(ean Sond Votume: <br /> Volume Under Rock bed:Average Sand Depth x Media Width x Medra Length =cubic feet <br /> 2.1 ft x 10.0 ft X 63.0 ft = 1312.5 ft' <br /> For a Mound on a slope from 0-t% <br /> Volume from Length=((Upstope Ahound Height-1)X Abwrption Width Beyond Bed X Media Bed Length) <br /> ft -1) X X ft = <br /> Volume from Widih=((Upslope Mound Height-1)X Absorption Width Beyond Bed X Media Bed Width) <br /> ft -1) X X ft = <br /> To[ol Ciean Sand Volume:Volume(rom Length+Volume from Width+Volume Under Media <br /> {� + ft' + ft' = ��ft3 <br /> For a Mound on a stope greater than 1% <br /> Ups(ope Votume:((Upslope Mound Height -1)x 3 x Bed Length)�2=cubic feet <br /> (( 3.8 ft -�) X 3.0 ft x 63.0 )�z= 267.8 ft' <br /> Downstope Volume:((Downslope Height-1)x Dowrulope Absorpfion Width x Media Length)-�2=cubic feet <br /> {( 4.3 ft-�) X 16.0 ft X 63.0 )�2= 1680.0 ft3 <br /> Endsiope Vot�me:(Downslope Mouod Height- 1)x 3 x Medio Width =tubic feet <br /> ( 4.3 ft-1 ) X 3.0 ft X 10.0 ft = 100.0 ft3 <br /> Total Ctean Sond Volume:Upslope Volume +Oownstope Vo(ume +Endslope Volume +Volume Under Media <br /> 267.8 ft' + 1680.0 ft' � 100.0 ft' + 1312.5 ft'= 3360.3 ft' <br /> Divide ft'by 27 ft'/yd'to calculate cubic yards: 3360.3 ft' : 27 = 124.5 yd' <br /> Add 20%for constructability: 124.5 yd'X 1-2 = 149.3 yd' <br /> C. Calculate Sandy 8erm Volume: <br /> Total Berm Vo(ume(approx):((Avg.Mound Height-0_5 ft topsoil)x Mound Widih x Mound Length)�2=cubic feet <br /> � 4,� _ 0.5 )ft X 42.5 ft X 89.0 )t 2= b779.4 ft' <br /> Tota!Mound Volume-Clean Sand votume-Rock Votume=cubic Jeet <br /> 6779.4 ft' - 3360.3 ft' - 630.0 ft' = 2789.1 ft3 <br /> Divide ft3 by 27 ft'/yd'to talculate cubic yards: 2789.1 fi3 : 27 = 103.3 yd' <br /> Add 20%for corntructability: 103.3 yd3 x 1.z = 124.0 yd' <br /> D. Calculate Topsoil Material Vo(ume:Tota!Mound Width X Totnl Mound Length X.5 ft <br /> 42.5 ft x 89.0 ft x o.5 ft = 1891.9 ft' <br /> Divide ft'by 27 ft3/yd'to calculate cubic yards: 1891.9 ft3 : 27 = 70•1 yd' <br /> Add 20%for rnrntructability: 70.1 yd3 x 1.2 = 84.1 yd' <br />