Manholes

Manhole
Manhole
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Jefferson Concrete produces manholes with 48", 60", 72" and 96" inside diameter which conform to ASTM C478 to meet your storm and sanitary needs.

They can be manufactured to include custom openings or flexible pipe-to-manhole connectors and can also be used for pump stations, wet wells, grit chambers, oil/water separators, and storm water management structures. Various openings are available in the top slabs to accommodate castings or access hatches.


Drawings


Accessories


Stock Castings


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