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, <br /> � • ���- OSTP Design Summary Worksheet UNIVERSITY � `-� <br /> Minnescta P�llutlon � <br /> Control Agency OF MINNESOTA '��+,�:;, <br /> Pressure Distr(bution Summary <br /> No.of Perforated Laterals � Pertoration Spacing �ft Perforation Diameter 1/4 in <br /> Flow Rdte 3$ GPM Supply Pipe Diameter�in Total Head 17.6 ft <br /> 4. ORGANIC LOADING(if p�etreatment ts bei�g used) <br /> Organic Loading to Pre-Treatment Unit =Design Flow X Estimated BOD in mg/L in the effluent X 8.35-�t,000,000 <br /> �] gpd X �mg/L X 8.35 t 1,000,000= �lbs BOD/day <br /> Calculate System Orgonic Loading: lbs.BOD/day +BottomAreo =lbs/day/ft� <br /> �lbs/day+ �ftZ= �lbs/day/ftZ <br /> CommenEslSpettat Deslgn Considerations: <br /> I hereby certify that I have completed this work in acwrdance with all applicable ordinances,rules and laws. <br /> Joseph J Olson �! ,�-�._ 81Q 09/25/10 <br /> �,��,_ <br /> (Designer) (Signature) (License H) f0ate) <br /> � <br />