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OSTP Design Summary Worksheet UNIVERSITY <br /> Minnesota Pollution OFM <br /> Control Agency INNESOTA ��s-''.;\� <br /> Pressure Distribution Summary <br /> No.of Perforated Laterals 3 Perforation Spacing 3 ft Perforation Diameter 1/4 in <br /> Flow Rate 38 GPM Supply Pipe Diameter 2 in Total Head 21.1 ft <br /> 4. ORGANIC LOADING(if pretreatment is being used) <br /> Organic Loading to Pre-Treatment 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 a Bottom Area =lbs/day/ft2 <br /> lbs/day= ft2= lbs/day/ft2 <br /> Coriments/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 07/08/10 <br /> (Designer) ( r (Signature) (License#) (Date) <br />