Commercial Sewage Lift Stations Part 4 - Pump Types and Control Requirements

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 Pumps used in commercial sewage lift stations come in a variety of types (effluents, grinders, etc.)  To determine which type is right for your application you must answer two questions:

  1. What size solids will have to be pumped?
  2. What is the size of the discharge pipe?
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Designing Commercial Sewage Lift Stations Part 1: How To Determine Flow Rate

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By Chris Edmondson

Sometimes codes just aren’t very helpful.  Take Section 712.4.2 of the International Plumbing Code (IPC) and its insight into the selecting flow capacity for a sewage and ejector pumps:

712.4.2 Capacity. A sewage pump or sewage ejector shall have the capacity and head for the application requirements.

(Thanks, IPC….)

Clearly, having the proper flow is necessary to efficiently discharge wastewater from a commercial plumbing system – but how do you determine the flow rate for the sewage system so you can properly size the pump? 

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