Laserfiche WebLink
��=� OSTP Mound Materials Worksheet UNIVER5ITY <br /> Minnesota Pollutbn OF 11�1NNESOTA <br /> Cont�ol Age�cy ,.��. <br /> Pro)ectl : v 06.12.13 <br /> A• Calculate 8ed (rock)Volume:8ed Lengrh (2,C X Berl Width 2.8)X Depth m Volume ft' <br /> 63.0 ft X 10.0 ft X 1.0 = b30.0 ft' <br /> Divide ft'by 27 ft'/yd'to calculate cubic ards: <br /> 830.� ft' � 27 = 23.3 yd3 <br /> Add 20�for constructability: 23.3 yd3� 1.2 g 28A d; <br /> Y <br /> B. Calalate Clean Sond Vo(ume: <br /> Volume Under Rock bed:Average Sond Deptb x Media Width x Medio Lengih =cubic feet <br /> 1•4 ft X 70.0 ft X 63.0 ft = 861.0 ft; <br /> For a Mound on a slope from 0-1% <br /> Volume from Length e�(Upslope Mound Height-1)X Absorption Wfdth Beyond Bed X Media Bed Length) <br /> ft •1) X X ft = <br /> Vdume from Width=��Upslope Mound Height-1)X Absorption Width Beyond Bed X Media Bed Width) <br /> ft -11 X X {� _ <br /> Total Gean Scnd Vo(ume: Volume from Len [h+Yolume from Widih+Volume Under Medio <br /> �� ft3 + �� ft3 i ft3 _ 3 <br /> ft <br /> For a Mound on a slope greater than 1% <br /> Upslope Volume:((Upslope Mound Hef ht • 1)x 3 x Bed Length)*2=cubic feet <br /> il 3.2 ft -1) X 3.0 ft X 63.0 )�2= 204.8�ft3 <br /> Downslope Votume:(�Downslope Neight• l) x Downstope Absorptan Width x Media Length)t 2=cubic feet <br /> 11 3.6 ft-t� X 10.0 ft X 63.0 )*2= 808.5 ft' <br /> fndslope Volume:(Downs(o Mound Hei ht- 1) x 3 x Mediu Widlh =tubic feet <br /> ( 3.6 ft-1 ► X 3.0 ft X 10.0 ft = 77.0 ft3 <br /> Total Ueon Sond Volume:Upslope Vo(ume +�wnstope Volume +fRdslope Volume •Volume Under Medio <br /> 2D4.8 ft' + 808.5 ft' , 77.0 ft� + C 861.0 ft�= 1951.3 �3 <br /> Divide ft'by 27 ft'/yd'to calculate cubic yards: 1q51,3 f�3 � Z7 � �Z 3 yd3 <br /> Add 20�for constructabiliry: 72.3 yd'X 1.2 = 86.7 3 <br /> Y� <br /> C. Catwlate Sundy Berm Vo(ume: <br /> Totol Berm Vofume(approx):({Avg.Mound Height-0.5 ft topsoil)x Mou�d Width x Mound Le th)»2=cubic feet <br /> ( 3.4 _ 0.5 )ft X 40.0 ft X 85.0 }+2- 4873.3 ft3 <br /> Tota!Mound Yolume-ttenn Sond vo(ume-Rock Vofume=cubic feet <br /> 4873.3 ft3 - t951.3 ft3 • 63U.0 ft3 = . 2292.1�ft; <br /> ��J <br /> Divide ft'by 27 ft'/yd3 to calcutate cubic yards: 2292.1 ft3 = 27 = gq,q <br /> yd' <br /> Add 20%for constructability: �;,� _ <br /> L_: ydl x 1.2 101.9 yd3 <br /> D. Calculate Topwil AAaterin!Volume:Tota!Mound Width X 7ota1 Mound Length X.i Jt <br /> ��� ft X 85.0 ft X 0.5 ft = 7700.0 ft� <br /> Divide ft'by 27 ft'/yd'to calculate cubic yards: 1700.0 ft' + 27 = b3.0 <br /> Yd; <br /> Add 20�for corntructability: 63.0 ; _ <br /> yd x 7.2 - 75.6 yd� <br />