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OSTP Design Summary Wo ksheet UNIVERSITY �� <br /> Minnesota Pollution OF MINNESOTA � <br /> Control Agency �,��� <br /> Pressure Distribution Sum ary <br /> No.of Perforated Laterals �� Perforation Spacing 3 ft Perforation Diameter 7/32 in <br /> Lateral Diameter 2.00 �� Supply Pipe Diameter .00 in Minimum Dose Volume �� <br /> Flow Rate 36 GPM Total Head �ft Maximum Dose Volume 187.5 <br /> Holding Tanks Only <br /> Number of Holding Tanks r�� Total Volume of Holding Ta ks C� gatlons <br /> High level Alarm? � <br /> 4. Additional Info for Type IV/Pretreatment Design <br /> Type of Pretreatment Unit Being Instatled: <br /> Organic Loading to Pretreatment Unit =Design Flow X Estimated BOD in mg L in the effluent X 8.35:1,000,000 <br /> ��BPd X ��mg/L X 8.35=1,000,000= lbs BOD/day <br /> Calculate System Organic Loading: lbs. BOD/day:Bottom Areo =lbs/day/ft <br /> �lbs/daY= ��ft2= ��tbs/day/ftZ <br /> Comments/Speciat Design Considerations: <br /> I hereby certify that I have completed this work in accordance with alt ap licabte ordinances, rules and laws. <br /> Joseph J Olson ,,��---^��._�__-- 810 01/13/13 <br /> .�' <br /> (Designer) (Signature) (License#) (Date) <br />