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t Minnesota Pollution OSTP Design Summary Worksheet UNIVERSITY <br /> - <br /> Control Agency OF MINNESOTA <br /> Pressure Distribution Summary <br /> No.of Perforated Laterals Perforation Spacing ft Perforation Diameter 1/4 in <br /> Lateral Diameter 1.50 in Supply Pipe Diameter 2.00 in Minimum Dose Volume 119 <br /> Row Rate 29 GPM Total Head 13 ft Maximum Dose Volume 119 <br /> Holding Tanks Only <br /> Number of Holding Tanks Total Volume of Holding Tanks gallons <br /> High Leyet 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 SOD in mg/L in the effluent X 8.35:1,000,000 <br /> �gpd X mg/L X 8.35:1,000,000= Ibs BOD/day <br /> Calculate System Organic Loading: lbs.SOD/day=Bottom Area =lbs/day/ft2 <br /> E=Ibs/day: =ft2= E==Ibs/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 Olsonf` 810 05/19/13 <br /> (Designer) (Signature) (License#) (Date) <br />