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8. Balance flows for other lengths,spacing, or size Line 2 GPM = length of pipe x gallons per minute per foot(7) 31 ft x 0.34 gpm/ft = 10.4 gpm #of Perfs=GPM /flow rate(5.2) 10.4 gpm / 1.55 gpm = 6 #of Perfs (Check figure E-4) Spacing = (Length -2 feet)/(Number of perfs-1) ( 31 ft-2ft)/( 6 perfs- 1) = 5.8 feet Line 3 GPM = length of pipe x gallons per minute per foot(7) 0.0 ft x 0.34 gpm/ft = 0.0 #of Perfs=GPM /flow rate(5.2) 0.00 gpm / 0.00 gpm = 0 #of Perfs (Check figure E-4) Spacing = (Length -2 feet)/(Number of perfs-1) ( 0.0 ft-2ft)/( 0 perfs- 1)= 0.0 feet Line 4 GPM = length of pipe x gallons per minute per foot(7) 0 ft x 0.34 gpm/ft = 0.0 #of Perfs=GPM /flow rate(5.2) 0 gpm / 0.00 gpm = 0 #of Perfs (Check figure E-4) Spacing = (Length -2 feet)/(Number of perfs-1) ( 0 ft-2ft)/( 0 perfs- 1) = 0.0 feet E-20 Volume of Liquid in Pipe Pipe Diameter Liquid per foot Line 5 GPM = length of pipe x gallons per minute per foot(7) inches gallons 0 ft x 0.34 gpm/ft = 0.0 1 0.045 #of Perfs= GPM /flow rate(5.2) 1.25 0.078 0 gpm / 0.00 gpm = 0 #of Perfs 1.5 0.11 Spacing = (Length -2 feet)/(Number of perfs-1) 2 0.17 ( 0 ft-2ft)/( 0 perfs- 1)= 0.0 feet 2.5 0.25 3 0.38 9. Calculate total gpm&Calculate System loading 4 0.66 Pipe volume (see figure E-20) x length Line 1 Flow= 10.4 gpm 0.17 gal/ft x 31 ft = 5.3 gal Line 2 Flow= 10.4 gpm 0.17 gal/ft x 31 ft = 5.3 gal Line 3 Flow= 0.0 gpm gal/ft x 0 ft = 0.0 gal Line 4 Flow= 0.0 gpm gal/ft x 0 ft = 0.0 gal Line 5 Flow= 0.0 gpm gal/ft x 0 ft = 0.0 gal Total = 20.8 gpm Total = 10.5 gal 10. Summary Pipe Size Perf Size Spacing Line 1 2 in 1/4 in 3.0 ft Line 2 2 in 1/4 in 5.8 ft Line 3 in 0.00 in 0.0 ft Line 4 in 0.00 in 0.0 ft Line 5 in 0.00 in 0.0 ft I hereby certify that I have completed this work in accordance with all applicable ordinances,rules and laws (signature) 810 (license#) 66//%Ch 5-- (date) Page 2 of 2