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I i <br /> , I <br /> Minnesota Poilution OSTP Design Summary Worksheet UNIVERSITY �, <br /> OF MINNESOTA ,'` ` <br /> Controi Agenty —'��� <br /> Mound Design Summary <br /> Absorption Area 216.7 ft� Bed Length 22,p ft Bed Width 10.0 ft <br /> Absorption Width �z.p ft Clean Sand Lift �.p ft Berm Width (0-1%)�ft <br /> Upslope Berm Width 10.0 ft Downslope Berm Width 19.0 ft Endslope Berm Width 11.0 ft <br /> TotalSystem Length q4,p ft TotalSystem Width 39.0 ft Contour Loading Rate 12.0 gal/ft <br /> At-Grade Design Summary <br /> Absorption Bed Width�ft Absorption Bed Length�ft System Height�ft <br /> Contour Loading Rate��al/ft Upstope Berm Width�ft Downslope Berm Width�ft <br /> Endslope Berm Width�ft System Length�ft System Width�ft <br /> Level&Equal Pressure Distribution Summary <br /> No.of Perforated Laterals� Perforation Spacing�ft Perforation Diameter 1/4 in <br /> Lateral Diameter z•�� in Min. Delivered Volume�gal Maximum Delivered Volume 65 gal <br /> Non-level and Unequal Pressure Distribution Summary <br /> Elevation Pipe Volume Pipe Length Perforation Size <br /> (ft) Pipe Size(in) (gal/ft) (ft) (in) Spacing(ft) Spacing(in) <br /> Lateral 1 Minimum Delivered Volume <br /> Lateral 2 ��al <br /> Lateral 3 <br /> Lateral 4 Maximum Delivered Volume <br /> Lateral 5 �gal <br /> Lateral 6 <br /> 5, Additional Info for Type IV/Pretreatment Design <br /> A. Calculate the organic(oading using option 1 or 2 <br /> 1. Organic Loading =Pounds of BOD X Units <br /> lbs/day X � - �lbs BOD/day <br /> 2. Organic Loading to Pretreatment Unit =Design F(ow X Estimated BOD in mg/L in the effluent X 8.35=1,000,000 <br /> gpd X �mg/L X 8.35:1,000,000= �lbs BOD/day <br /> B. Type of Pretreatment Unit Being Installed: <br /> C. Calculate Soi(Treatment System Orgonic Loading: lbs. BOD/doy=Bottom Area =lbs/day/ftz <br /> lbs/day� �ft2= �lbs/day/ftZ <br /> Comments/Special Design Considerations: <br /> I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. <br /> Joseph J Olson 810 02/26/15 <br /> (Designer) �-+' (Signature) (License#) (Date) <br /> i <br /> I <br /> i <br />