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OSTP Pressure Distribution <br /> Minnesota Pollution Design Worksheet UNIVERSITY <br /> Control Agency OF MINNESOTA <br /> Maxinacn Number of Perforations Per Lateral to Guarantee<10%Discharge Variation <br /> '•"4 Inc.,Perforates 7132 1rtet Perforations <br /> Perfcrat=on Sparing(Feet) 1 1Pipe Da" er(Inches) Perforation Spacing Pipe Diameter(inches) <br /> 14 111 2 3 (Feet) 1 !Y.• 114 2 3 <br /> 2 10 13 18 30 60 2 11 16 21 34 68 <br /> 211: 8 12 16 28 54 211 10 14 20 32 64 <br /> 3 8 12 16 25 52 3 9 14 19 30 60 <br /> 3.'16 Inch Perforations <br /> 1S8 Inch Perforat ons <br /> Perforator Pipes Diameter(t telsas) Spacing PFpe Diameter Cinches)!Feet) Prloration <br /> 1 114 1Y: 2 3 (Peet) 1 114 112 2 3 <br /> 2 12 18 26 46 87 2 21 33 44 74 149 <br /> 211 12 17 24 40 80 211 20 30 4t 69 135 <br /> 3 12 16 22 37 75 3 20 29 38 64 128 <br /> 14. Select Lateral Diameter based on Table I: I 1.50 I in Table II <br /> Volume of Liquid in <br /> 15. Volume of Liquid Per Foot of Distribution Piping: 1 0.110 1Gallons/ft Pipe <br /> 16. Volume of Distribution Piping = Pipe Liquid <br /> 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 /> 3 X 361.25 0.078 <br /> ft X, 0.110 <br /> gatft = 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 /> _---- — -___ rl litddpipet <br /> , r <br /> ,' Manifold wPe,1 j w <br /> J1 <br /> .t—'� Pie from PSP <br /> \_ ---- Alternate location `lea"°uts <br /> tr alternate location <br /> Pipe from pumpofpipe from pump <br /> I hereby certify that I have completed this work in accordance with all applicable ordinances,rules and laws. <br /> Joseph J Olson 810 <br /> 11/23/09 <br /> (Designer) (Signature) (License#) (Date) <br />