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OSTP Pressure Distribution <br /> UNIVERSITY '"` <br /> Minnesota Pollution Design Worksheet OF MINNESOTA 7•-F �" <br /> Control Agency <br /> -�\_"' <br /> Maximum Number of Perforations Per Latera[to Guarantee<:10%Discharge Variation <br /> Inc,Fa-toratro^.-is 7/32 Inc,Perforations <br /> Pipe Diameter(Inches) Perforation Spacing Pipe Diameter(Inches) <br /> Fa-forat ort Spacing(Feet) ( <br /> 11., 11: 2 3 (Feet) t 1S il; 2 3 <br /> 2 10 13 18 30 60 2 11 16 21 34 68 <br /> 21-`2 8 12 16 28 54 2'+t 10 14 20 32 64 <br /> 3 8 12 16 25 52 3 9 14 19 30 60 <br /> 3:'16 inch Perforations 1-8 Inch Perforat,ons <br /> Pipe Diameter tl,ches) Perforation Spacing Pipe Diameter(inches) <br /> Ferforat,on Spacing IFeet) <br /> 1 13 11: 2 3 (Feet) I IL: 11_ 2 3 <br /> 2 12 18 26 46 87 2 21 33 44 74 149 <br /> 27. 12 17 24 40 80 2=1 20 30 41 69 135 <br /> 1 12 16 22 37 75 3 20 29 38 64 128 <br /> Table II <br /> 14. Select Lateral Diameter based on Table I: 2.00 in Volume of Liquid in <br /> 15. Volume of Liquid Per Foot of Distribution Piping: 0.170 Gallons/ft Pipe <br /> Pipe Liquid <br /> 16. Volume of Distribution Piping = Diameter Per Foot <br /> = [Number of Perforated Laterals (Line 1)X Length of Laterals (Line 4)X (inches) (Gallons) <br /> (Volume of Liquid Per Foot of Distribution Piping(Line 15)] 1 0.045 <br /> 1.25 0.078 <br /> 3 X 48 ft X 0.170 gal/ft = 24.5 Gallons 1.5 0.110 <br /> 2 0.170 <br /> 17. Minimum Dose=Volume of Distribution Piping(Line 17)X 5 3 0.380 <br /> 24.5 gals X 5 = 122.4 Gallons 4 0.661 <br /> -Cleanouts -- -- manifold pipe l <br /> JI <br /> A <br /> Manifold pipe <br /> 0.01 .0000000000000000001010.. Nos,30: <br /> pipe from pump <br /> ,` J L. <br /> �„� clean outs � , <br /> `�.�'� Alternate location <br /> �,,, of pipe from pump o <br /> ill <br /> alternate location <br /> V Pipe from pump0. of pipe from pump <br /> I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and taws. <br /> Joseph J Olson 810 11/09/10 <br /> (Designer) (Signature) (License#) (Date) <br />