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Sanitary Manholes

Our sanitary manholes are produced as per ASTM C-478 and AASHTO M-199 specifications.

Sanitary Sizes

We produce sanitary manholes from 48" diameter to 96" diameter.


Our manhole joints are manufactured with machined tongue and groove joints and are sealed with butyl rubber sealant, which meets ASTM c-990.


Steel reinforced copolymer polypropylene steps meeting ASTM C-478, ASTM D-4101, ASTM C-615, and ASSHTO M-199 are available to be installed in our sanitary manholes.  

Flexible Pipe to Manhole Connectors

Flexible pipe to manhole connectors meet ASTM C-923 specifications and are typically installed in our sanitary manholes.  Various types of connectors may be ordered to meet the specific application.  


Various coatings are applied at our facility to meet the specifications of the specific job.

Frames & Covers

Frames and covers are available for sanitary manholes.