WATER SUPPLY: PUMPING STATIONS

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WATER SUPPLY: PUMPING STATIONS

Author: HEADQUARTERS No. 5-813-6 DEPARTMENT OF THE ARMY WASHINGTON | Size: 617 KB | Format: PDF | Publisher: APPROVED FOR PUBLIC RELEASE; DISTRIBUTION IS UNLIMITED | Year: 6 October 1992 | pages: 34 | ISBN: unknown

1-1. Purpose. This manual provides guidance where pressure zones are required. Booster pumps
and criteria for the design of high lift and water may be needed to handle peak flows in a
booster pumping stations in potable water distri- distribution system which can otherwise handle the
bution systems. normal flow requirements. Where a pump station is
1-2. Scope. Criteria is provided for pumping and design, which is based upon a total system
units operating as components in distribution sys- hydraulic analysis should be consulted before the
tems. Guidance is provided for sizing and selection addition is designed. New or updated studies will
of pumps and pump drives, piping, control valving, determine station location and present and future
flow metering, pump station structures, and opera- demand requirements. Locating permanent pumps
tional features. so that there will be a positive head on pump
1-3. References. Appendix A contains a list of Site selection will be determined from evaluation of
references used in this document. a topographic survey and flood plain analysis to
1-4. Planning Factors. Main pumping stations the proposed plant site. The site must not be
which supply water to the distribution system will subject to flooding. Major planning factors are:
be located near the water treatment facility or a availability of electric power, roadway access for
potable water storage facility and will pump directly maintenance and operation purposes, security, and
into the piping system. These pump stations may be adverse impact, if any, upon surrounding
a part of these other structures. Pumps which pump occupancies. Site development will depend upon a
directly into transmission lines, and distribution site soils analysis showing adequate support for
systems are sometimes called high lift pumps. foundations or possible ground water problems,
Booster pumps may be located anywhere in the and a grading and drainage plan of the area
system to increase the pressure in the pipeline. showing that runoff away from the structures can
Booster pump stations are usually located remote be obtained.
from the main pump station, as in hilly topography,
added to an existing installation, previous planning
suctions will eliminate many operational problems.
determine if there are any flooding probabilities of

CHAPTER 1. GENERAL

CHAPTER 2. DESIGN CONSIDERATION
General Design
Demand

CHAPTER 3. PUMPING EQUIPMENT
Pumps
Pump Drives
Valving
Flow Meters
Piping Layouts
Controls
Reliability Factors

CHAPTER 4. HYDRAULICS
Headloss and System Curves
Pump Cavitation
Surge Analysis

CHAPTER 5. PUMPING STATION LAYOUTS
General
Structural Systems
Mechanical Equipment
Electrical
Building Environmental Systems

CHAPTER 6. OPERATING EFFICIENCIES
General
Pump Operations
Pump Scheduling
Ease of Operation and Maintainability

APPENDIX A. REFERENCES
B. AVAILABLE MICRO COMPUTER PROGRAMS
C. CASE STUDY FOR ADDING PUMPS TO AN EXISTING SYSTEM
D. CASE STUDY FOR HYDRAULIC TRANSIENTS

BIBLIOGRAPHY BIBLIOGRAPHY 1
List of Figures
FIGURE 3-1. Booster Pump Stations
3-2. Alternative Pump Applications
3-3. Pump Curves
4-1. System Head Curve
4-2. Two Constant Speed Pumps Operated in Parallel
4-3. Four Constant Speed Pumps of Equal Capacity
4-4. Checklist Surge and Water Hammer Analysis
4-5. Example Water Hammer Potential Calculation
5-1. Pump Station Typical Layout
5-2. Pump Station Sections
C-I. System Network for Hydraulic Analysis
C-2. Existing Distribution System-Maximum Daily Consumption
C-3. Improved Distribution System-Maximum Daily Consumption
D-1. Uncontrolled Surge
D-2. With Air Vessel
D-3. With Pressure Relief Valve

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