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Description: Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
Lift stations contain several components including the pumps, valves, piping, electrical and instrumentation control system necessary to move raw sewage from lower elevations to higher elevation, making them an essential component of many municipal sewer systems. This fact sheet provides young engineers, operation & maintenance staffs, utility managers, practitioners and educators the basics of lift station types, design basis, operation and maintenance, data management, and published reference materials currently available.
Author(s)
Water Environment Federation
SourceFact Sheet of the Water Science and Engineering Center
Project IDWSEC-2019-FS-013
CommitteeCSC
Document typeFact Sheet
PublisherWater Environment Federation
Print publication date Sep 2019
Volume / Issue
Content sourceWater Science and Engineering Center
First / last page(s)1 - 4
Copyright2019
Word count2,565
Subject keywordsCollection Systems
Associated keywords:Design
Chapter illustrations ()
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Description: Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
Introduction
Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
Pumping stations in sanitary sewer collection systems, also called lift stations, are designed to move raw sewage from lower to higher elevations when the use of gravity conveyance will result in excessively deep excavation and higher construction and operational costs. Sewage flowing through underground gravity pipelines is collected in an underground chamber called a wet well. The wet well is...
PublisherWater Environment Federation
Copyright2019
Word count229
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Description: Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
Lift Station Strategies
Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
There are several different types of wastewater lift stations. These include the following: single family (home) grinder pumps; low pressure force main systems which also include grinder pumps; lift stations which discharge to gravity via a force main and can be accomplished using suction lift or submersible centrifugal pumps; wet pit/dry pit which typically would have a longer force main and...
PublisherWater Environment Federation
Copyright2019
Word count135
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Description: Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
Single Family Grinder Pumps
Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
This type of station services homes which are remote and far from the gravity main located in the City/State right-or-way/easement. In these cases, the gravity sewer system would have to be considerably deeper to service the home which would be very costly to provide gravity service to these homes. The centrifugal grinder lift station lifts sewage and conveys the flow via a force main to the...
PublisherWater Environment Federation
Copyright2019
Word count108
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Description: Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
Low Pressure Force Main Systems
Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
Low pressure force mains convey wastewater flow from many homes using centrifugal grinder pumps to a gravity collection system, another lift station or to a WRRF.
PublisherWater Environment Federation
Copyright2019
Word count31
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Description: Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
Wet Well Lift Stations
Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
There are two types of lift stations which have been used in several locations across the country. First, is a centrifugal suction lift pump, which lifts the wastewater from a wet well each time the pump starts. These pumps have a mechanism which keeps the wastewater at the pump impeller and typically lifts wastewater to another gravity system.
PublisherWater Environment Federation
Copyright2019
Word count118
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Description: Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
Dry Pit/Wet Pit Stations
Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
In these stations, the dry well and the wet well are separated by a concrete wall. Wastewater is discharged to and pumped from the wet well via suction piping connected to the centrifugal pumps that are located in an adjacent dry well. There are a few configurations for motor installations. The first is by using a centrifugal submersible pump and motor which is close coupled and are called dry pit...
PublisherWater Environment Federation
Copyright2019
Word count225
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Description: Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
Vacuum Sewer Systems
Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
Vacuum sewer systems work on differential pressure. There is a central wastewater pumping station that has several different components from the other types of pumping stations mentioned above. First, there are vacuum pumps which create a lower than atmospheric pressure inside the connecting pipes as far as several miles in either direction from the pumping station on flat terrain. These pipes are...
PublisherWater Environment Federation
Copyright2019
Word count303
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Description: Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
Data Management
Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
The data monitoring, collection, and management often referred to as Supervisory Control And Data Acquisition (SCADA) system and Computer Maintenance Management Systems (CMMS) options available these days are almost limited only by one’s imagination. At lift stations, data can be collected such as; influent flow rate, force main flow rate, pump status (on/off), pump pressure...
PublisherWater Environment Federation
Copyright2019
Word count258
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Description: Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
Operation and Maintenance
Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
The proper O&M of a lift station is a series of tasks that are considered, designed and implemented with the goal of assuring that the facility will function efficiently, safely, reliably and without fail given foreseeable conditions and events. By performing these tasks successfully, the utility fulfills the goals of protecting public health and safety and the environment.
PublisherWater Environment Federation
Copyright2019
Word count409
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Description: Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
Industry Guidelines
Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
The major industry references related to sanitary sewer lift stations have been identified and listed in the table below. The table includes the resources and descriptions of 10 States Standards, several different cities and counties guidelines, as well as public agency references such as EPA (Environmental Protection Agency), HI (Hydraulic Institute), WEF (Water Environment Federation), WERF...
PublisherWater Environment Federation
Copyright2019
Word count68
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Description: Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
List of References
Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
Design Specification & Requirements Manual. 2010. London, ON: Environmental and Engineering Services Department (EESD).
PublisherWater Environment Federation
Copyright2019
Word count79
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Description: Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
Additional Resources
Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
Resource
PublisherWater Environment Federation
Copyright2019
Word count592
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Sanitary Sewer Systems: Lift Stations and Data Management Fact Sheet
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