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ASTM C1244 — Standard Test Method for Concrete Sewer Manholes by the Negative Air Pressure (Vacuum) Test
Precast Sanitary Manholes

Precast Sanitary Manholes

Precast Manholes are used in sanitary sewer systems for access, observation and junctions. All manholes and vertical structures can be provided for highway, railroad or aviation loading.

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Precast Storm Manholes

Precast Storm Manholes

Precast Manholes are used in storm drain systems for access, observation and junctions. All manholes and vertical structures can be provided for highway, railroad or aviation loading.

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