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TDH Calculations <br /> TOTAL DYNAMIC HEAD CALCULATIONS <br /> Gravity or Pressure Dosed Systems <br /> `Owner's Name 10/3/2016 Review Date <br /> X MEM Gravity Dosed, or 600 gpd Design Wastewater Flow <br /> X= Pressure Dosed 0 ft Total Combined Lateral Length <br /> Y or N y Forcemain Drainback 4 in Lateral Diameter <br /> 2. 00 ft Forcemain Length <br /> 2 in Forcemain Diameter <br /> 25 gpm System Flow Rate <br /> 0.00 ft Minimum Design Head <br /> 15.00 ft Vertical Lift <br /> 2.77 ft Forcemain Friction Loss i <br /> 17.77 ft Total Dynamic Head <br /> 2.55 ft/sec Forcemain Effluent Velocity <br /> Choose Pump That Discharges At Least: <br /> 25.00 gpm at <br /> 17.77 feet TDH <br /> I .21 p1'd.- 6tr,/7e L1 <br /> 120.0 gal Maximum Dose 0.0 gal 5x Lateral Void Volume <br /> 32.64 gal Forcemain Drainback 32.64 gal Forcemain Drainback <br /> 152.64 gal Maximum Dose Volume 32.6 gal Minimum Dose Volume <br /> Version 4.1 (07/03) <br />