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OSTP Mound Materials ��� <br /> ` LTNIVERSITY - ' � <br /> MCorrtro APency �Norksheet OF MINNESOTA ; �'�^ � <br /> 9 v"�e �- <br /> A. Calculate Bed (rock)Vo(ume: Bed Length (I.C)X Bed Width (2.6j X Depth =Voiume (ft;) <br /> 38.0 ft X 10.0 ft X 1.0 = 380.0 ft' <br /> Divide ft'by 27 ft'/yd;to calcutate cubic yards: <br /> 3$0.0 ft3 = v = 14,1 yd' <br /> Add 20%for constructability: 14.1 yd3 X 1.2 = 16,q yd3 <br /> B. Ca(culate CleQn Sand Volume: <br /> !lpslope Votume: ({Ups(ope Mound Heiqht - 1)x 3 x Bed Length)+2=cubic feet <br /> (t 3.0 ft - �� x 3.Oft x 38.0 )�2= 114.0 ft' <br /> Dowreslope Votume: ((Downslope Height- f) x Downs(ope Absorption Width x Media Length)+2=cubic feet <br /> (( 4.0 ft-1) x 10.0 ft x 38.0 )+2= 570.0 �3 <br /> Endslope Volume: (Downs(ope Mau�iieiqht- 1) x 3 x Mediu Width =cubic feet <br /> ( 4.0 ft- 1 ) X 3.0 ft X 10.0 ft = 90.0 ft' <br /> Vo(ume Under Rock bed:Averuge Sor�d pepth x Media Width x Media Length =cubic feet <br /> 1.5 1,5 ft x 10.0 ft x 38.0 ft = 570.0 ft' <br /> Total Cleun Sand Votume: Upslope Yolume +po���yolume +Ends(ope yolume +yotume Under Media <br /> 114.0 ft' + 570.0 ft; + 90.0 ft' + 570.0 ft'= 1344.0 ft' <br /> Divide ft3 by 27 ft3/yd'to calculate cubic yards: 1344.0 ft3 : 27 = 49.8 yd3 <br /> Add 20%for corutnictability: 49.8 yd3 x 1.2 = 59.7 yd3 <br /> C. Calculate Svndy Berm Vo(ume: 3.5 <br /> Total Berm Volume(approx): ((Qvg.Mou�Height-.5 ft topsoit)x Nbund Width x Mound Length)�2=cu. ft. <br /> ( 3.5 _ 0.5 �ft x 39.0 ft x 58.0 )+2= 3393.0 ft3 <br /> Totol Mound Volume-Uean Sond volume-Rock Volume=cubic feet <br /> 3393.0 ft' - 1344.0 ft' - 380.0 ft' = 1669.0 ft3 <br /> Divide ft'by 27 ft'/yd'to catculate cubic yards: 1669.0 ft3 = 27 = 61.8 yd3 <br /> A�209K for constn�ctability: 61.8 yd; x 1.2 = 74.2 yd3 <br /> D. Calculate Top�soit Moterlal Volume:Totol Mamd YVidth X Total Mound Ler►qth X.5 ft <br /> 39.0 ft x 58.0 ft x 0.5 ft = 1131.0 ft; <br /> Divide ft3 by 27 ft3/yd3 to calculate cubic yaMs: 1131.0 ft3 = 27 = 41,g yd3 <br /> Add 20%for corutnutabitity: 41.9 yd3 x �.2 = 50.3 yd3 <br /> 1 hereby certify that i have oompleted this woric in accordan�with all applicable ordinanc�ss,rules and laws. <br /> �� <br /> Joseph J Oison 810 05/11/10 <br /> (Desig�r) (Signature) (Lic-ense#j (p-tej- <br />