Storm and Sanitary Manholes
Pelkowski Precast manufactures 4', 5' and 6' inside diameter storm and sanitary manholes to New York City, Nassau and Suffolk County standards.
For a detailed drawing of the manhole reinforcement and specifications for any of the above agencies, please call our office.
The 4' inside diameter manhole has a 5" wall and a 8" or 12" monolithic base. The 5' inside diameter manhole has a 6" wall and a 8" or 12" monolithic base.
The 6' inside diameter manhole has a 7" and 10" slab.
Please note that along with our standard products, Pelkowski Precast Corp. can manufacture specialty precast concrete items according to your specifications.
For more information, please call 631-269-5727 or