Pump Station Design Guidelines Second Edition

Pump Station Design Guidelines Second Edition Jensen Engineered Systems 825 Steneri Way Sparks, NV 89431 For Design assistance call (855)468-5600 2012 Jensen Precast 2 T AB LE OF C ON T EN T S INTRODUCTION .. 3 PURPOSE OF THIS GUIDE .. 3 OVERVIEW OF A TYPICAL JES SUBMERSIBLE LIFT Station .. 3 Design PROCESS .. 3 BASIC PUMP SELECTION .. 5 THE SYSTEM CURVE .. 5 STATIC 5 FRICTION LOSSES .. 6 TOTAL DYNAMIC HEAD .. 9 HOW pumps WORK .. 13 OVERVIEW OF A SUBMERSIBLE PUMP .. 13 BASIC IMPELLER THEORY .. 14 THE CASING .. 14 THE INLET .. 14 IMPELLER TYPES .. 15 MOTORS .. 17 MECHANICAL SEALS .. 19 PUMP CURVES .. 22 STEEPNESS OF PUMP CURVE .. 24 INTERACTION OF THE SYSTEM CURVE WITH THE PUMP CURVE .. 24 NET POSITVE SUCTION HEAD .. 25 INTRODUCTION TO WET WELL Design .. 26 MINIMUM STORAGE VOLUME .. 27 SIZE OF WELL.

booster pump systems, the discharge could be in a pressurized holding tank. So tank pressure must be taken into consideration during design. In a typical JES lift station, the force main discharges to gravity in either a manhole or other holding structure. Figure 3

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