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� - <br /> 01/09/2003 Page 3 <br />� <br /> Pump Selection Procedure For Pressure Distribution <br />� allons Per Minute Reauirement <br /> Lateral Length = 61 feet <br />� Outside Diameter of Laterals = 2 i�� <br /> Number of Perforated Laterals = 4 each <br />� Number of Orifices per Lateral = 26.0 each <br /> Total Number of Onfices= 104 each <br />� Orifice Spacing = 2.3 feet <br /> Orifice Size = 3/16 inches <br /> Minimum Flow Rate per Orifice= 0.433 gpm <br />� Gallon Per Minute Pump Requirement = 45 gpm <br />� Pump Head Requirements <br /> Supply Line Diameter= 2 inches <br />� Supply Line Length = 125 feet <br /> Length of Distribution Header= 8 feet <br /> Header Diameter= 2 inches <br />� Head Loss Through Header= 0.3 feet <br /> Head Loss Through Laterals = 0.1 feet <br />� Lift to Header= 9 feet <br /> Head Loss Through Supply Line = 5.1 feet <br /> Add-on Friction Losses 5.0 feet <br />� Total Head Requirement = 19 feet ; <br /> � <br />� <br />� <br />� <br />� <br />� <br />� <br /> l <br />