Manholes
Precision Precast manholes come in concentric and eccentric shapes in standard sizes up to 96-inches. Flat top lids, riser barrels, and base-and-barrel products are also available.
View more information about all our manhole products by clicking the links below.
- 48-Inch Manhole Base
- 48-Inch Manhole Riser
- 48-Inch Flat Top Lid
- 48-Inch to 24-Inch Concentric Cone
- 48-Inch to 24-Inch Eccentric Cone
- 48-Inch to 30-Inch Concentric Cone
- 72-Inch Manhole Base
- 72-Inch Manhole Riser
- 72-Inch Flat Top Lid
- 72-Inch Concentric Transition Cone
- 72-Inch Eccentric Transition Cone
- 96-Inch Manhole Base
- 96-Inch Manhole Riser
- 96-Inch Flat Top Lid
- 24-Inch Grade Ring