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1 t <br /> Minnesota Pollution OSTP Design Summary Worksheet UNIVERSITY <br /> OF MINNESOTA <br /> Control Agency <br /> Pressure Distribution Summary <br /> No.of Perforated Laterals 3 Perforation Spacing 3 ft Perforation Diameter 7/32 in <br /> Lateral Diameter 2.00 in Supply Pipe Diameter 2.00 in Minimum Dose Volume 0 <br /> Flow Rate 36 GPM Total Head 23 ft Maximum Dose Volume 187.5 <br /> Holding Tanks Only <br /> Number of Holding Tanks Total Volume of Holding Tanks gallons <br /> High Level Alarm? <br /> 4. Additional Info for Type IV/Pretreatment Design <br /> Type of Pretreatment Unit Being Installed: <br /> Organic Loading to Pretreatment Unit =Design Flow 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 /> Calculate System Organic Loading: lbs. BOD/day:Bottom Area =lbs/day/ft2 <br /> lbs/day: ft2= lbs/day/ft2 <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 07/23/12 <br /> (Designer) (Signature) (License#) (Date) <br />