Laserfiche WebLink
_ r <br /> OSTP Design Summary Worksheet UNIVERSITY 4 , gr <br /> Minnesota Pollution OFMINNESOTA * � <br /> Control Agency <br /> Pressure Distribution Summary <br /> No.of Perforated Laterals 3 Perforation Spacing 3 ft Perforation Diameter 7/32 in <br /> Lateral Diameter 2.00 in Supply Pipe Diameter 2.00 in Minimum Dose Volume 0 <br /> Flow Rate 36 GPM Total Head 23 ft Maximum Dose Volume 187.5 <br /> Holding Tanks Only <br /> Number of Holding Tanks Total Volume of Holding Tanks gallons <br /> High Level 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= lbs BOD/day <br /> Calculate System Organic Loading: lbs.BOD/day=Bottom Area =lbs/day/ft2 <br /> lbs/day: ft2= lbs/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 Olson 810 07/23/12 <br /> (Designer) (Signature) (License#) (Date) <br />