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OSTP Design Summary Wo ksheet UNIVERSITY �3��� <br /> Minnesota Pollution OF MINNESOTA � � �� <br /> Control Agency _ ;�`_; <br /> Pressure Distribution Sum ry <br /> No.of Perforated Laterals �3 � Perforation Spacing 3 ft Perforation Diameter 7/32 in <br /> _� <br /> Lateral Diameter 2.00 �� Supply Pipe Diameter .00 in Minimum Dose Votume � <br /> Flow Rate 36 GPM Total Head �ft Maximum Dose Votume 187.5 <br /> Holding Tanks Only <br /> Number of Holding Tanks � Total Volume of Holding Tan s �� gallons <br /> High Level Alarm? �� <br /> 4. Additional Info for Type IV/Pretreatment Design <br /> Type of Pretreatment Unit Being Instalted: <br /> Organic Loading to Pretreatment Unit =Design Flow X Estimated BOD in mg/ in the effluent X 8.35: 1,000,000 <br /> �SPd X �mg/L X 8.35=1>0�,�= lbs BOD/day <br /> Calculate System Organic Loading: lbs. BOD/day:Bottom Area =lbs/day/ft <br /> C�lbs/daY= �ftZ= ��lbs/day/ftZ <br /> Comments/Special Design Considerations: <br /> I hereby certify that I have completed this work in accordance with all ap licabte ordinances, rules and laws. <br /> � <br /> Joseph J Olson �,�-�---�_,__m_--.-- 810 01/13/13 <br /> A <br /> (Designer) '.t (Signature) (License#) (Date) <br />