Laserfiche WebLink
OSTP Pressure Distribution <br /> UNIVERSITY <br /> Minnesota Pollution Design Worksheet <br /> Control Agency OF MINNESOTA .. �,\t";- <br /> Maximum Number of Perforations Per Lateral to Guarantee<10%Discharge Variation <br /> '/,,Inch Perforations 7/32 Inch Perforations <br /> Perforation Spacing(Feet) Pipe Diameter(Inches) Perforation Spacing Pipe D r.eter(Inches) <br /> 1 114 lit 2 (Feet) 1 114 11.1 2 3 <br /> 2 10 13 18 30 6 3 2 11 16 21 34 68 <br /> 21,1 8 12 16 28 54 21,4 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 Perforations <br /> PerforationSpacing Pipe Diameter(Inches) Perforation PipeDiameter(Inches) <br /> (Feet) Spacing <br /> 1 114 134 2 s (Feet) 1 116 11_ 2 3 <br /> 2 12 18 26 46 87 2 21 33 44 74 149 <br /> 215 12 17 24 40 80 2120 30 41 69 135 <br /> 3 12 16 22 37 75 3 20 29 38 64 128 <br /> 14. Select Lateral Diameter based on Table I: 1.50 in Table II <br /> Volume of Liquid in <br /> 15. Volume of Liquid Per Foot of Distribution Piping: 0.110 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 36 ft X 0.110 gal/ft = 11.9 Gallons 1.5 0.110 <br /> 17. Minimum Dose=Volume of Distribution Piping(Line 17)X 5 2 0.170 <br /> 3 0.380 <br /> 11.9 gals X 5 = 59.4 Gallons 4 0.661 <br /> ,_-Cleanouts "--__ --` _ manifold pipes <br /> I <br /> / <br /> Manifold pipes <br /> w <br /> ��:� pipe from pump <br /> \....... �C` - dean outs T. <br /> �,�� Alternate location <br /> \.....• ` of pipe from pump I. 0• <br /> L alternate location <br /> Pipe from pump 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 07/08/10 <br /> _____— <br /> (Designer) (Signature) (License#) (Date) <br />