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Pressure Distribution Design f ° tt� yf <br /> Minnesota Pollution Worksheet ` '` �, <br /> Control Agency o', <br /> Table II <br /> 10. Select Minimum Average Head: 1.0 ft Volume of Liquid in <br /> Pipe <br /> 11. Select Perforation Discharge (GPM)based on Table III: 0.74 GPM per Perforation <br /> Pipe Liquid <br /> 12. Determine required Flow Rate by multiplying the Total Number of Diameter Per Foot <br /> Perforations (Line 7)by the Perforation Discharge (Line 11). (inches) (Gallons) <br /> 1 0.045 <br /> 51 Perforations X 0.74 GPM per Perforation = 38 GPM 1.25 0.078 <br /> 1.5 0.110 <br /> 13. Select Type of Manifold Connection (End or Center): End 2 0.170 <br /> 3 0.380 <br /> 14. Select Minimum Diameter of laterals based on Table I: in 4 0.661 <br /> Table Ill <br /> Determine Volume of Distribution Piping Perforation Discharge(GPM) <br /> 15. Pipe Diameter of Distribution Pipe 2.00 in Perforation Diameter <br /> Head(ft) , , , , <br /> �s 46 X32 /4 <br /> 16. Volume of Liquid Per Foot of Distribution Piping: 0.170 Gallons 1 0' 0.18 0.41 0.56 0.74 <br /> 2.0° 0.26 0.59 0.80 1.04 <br /> 5.06 0.41 < 0.93 1.26 1.65 <br /> a:Use 1.0 for dwellings using 1/4 inch or 3/16 inch <br /> holes. <br /> 17. Volume of Distribution Piping = b:Use 2.0 for dwellings using 1/8 inch holes;or,for <br /> other establishments using 1/4 Inch or 3/16 inch <br /> =[Number of Perforated Laterals (Line 1)X Length of Laterals (Line 4)X hales. <br /> (Volume of Liquid Per Foot of Distribution Piping(Line 16)] c:Use 5.0 for other establishments using 1/8 inch <br /> perforations and media fitters. <br /> 3 X 48 X 0.170 = 24.48 Gallons <br /> eieanouts ---- - manifold pipet <br /> ' Manifold Pipe. J ` i <br /> ...sr----1 <br /> _ _ ak <br /> pipe from pump <br /> -' -- dean outs - <br /> ./`•Aitemate location <br /> �\� ` of pipe from pump / •• <br /> alternate location-�' 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 laws. <br /> Joseph J Olson 810 6/7/09 <br /> (Designer) (Signature) (License#) (Date) <br />