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Square or round wet well?

Square or round wet well?

Square or round wet well?

(OP)
I am trying to determine what advantages and/or disadvantages there are when using round or square (rectangular) wet wells for a plant influent lift station.
 

RE: Square or round wet well?

Round tanks can be made out of FRP at very competetive prices.  If there is a mold available, any shape can be made out of FRP at competitive prices, (shipping costs are less than other materials).  Precast concrete plants make both shapes or a custom configuration with freight being a large component of the cost.

RE: Square or round wet well?

There are all sorts of issues:

1. Round shape is stronger structurally.

2. One shape may fit on a site better than the other.

3. Square shape is better hydraulically for pumps spacing.

4. Round shape has no corners for sediment to build.

5. Round shape is more common for smaller lift stations.
 

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