Precast circular concrete manhole structures are used in sanitary sewer and storm drain systems for access, observation and junctions, as well as for pump stations, wet wells, stormwater management structures, and impoundment overflow structures.

Concrete manholes are utilized at vault openings or pipe junctions to provide maintenance and inspection access to underground piping systems, meters, and facilities. Our precast concrete manhole is perfect for traffic applications, including roadways, parking lots, and pedestrian paths.

Oldcaslte Infrastructure manhole sections are produced in quality controlled conditions to provide uniformity and performance unmatched in the industry. We offer a variety of manholes in standard and custom sizes with various coatings and design components for use in different applications.

Shea Concrete manufactures durable precast utility products, including manholes & light pole bases, tailored to meet specifications for top utility companies.

Often topped with a solid casting or with a grate, Electric Manholes help to protect sensitive wiring for all your electrical projects. Looking for a National Grid Manhole? Scroll down for more information.

Find the Piranha Pipe & Precast 2 ft. x 24 in. Manhole Grid Ring at Ferguson online for delivery or pickup at a Ferguson store near you.

Precast manholes maintain watertightness throughout its service life and longer than competitive materials. Precast products have strength from the time it arrives on site, and can stand up to not only the rigors of the job, but also the abuse of the jobsite prior to and during install.

The Gridlock© Manhole Protection System offers a fast and safe way to cover manholes whilst allowing visibility and limited access for things like gas detector checks or venting procedures. The Gridlock© comes in a transit bag complete with everything you need for instant protection.

PROVIDE POWER TO NEW MANHOLE VIA EXISTING DUCT BANK /MANHOLE SYSTEM. SUMP PUMP DISCHARGE LINE. SEE SITE PLAN FOR CONTINUATION. INSTALL TWO(2) " X 8' COPPER CLAD GROUND RODS IN OPPOSITE CORNERS 5 8AS SHOWN, 30" MINIMUM BELOW FINISHED GRADE. WRAP ROD WITH TWO. LAYERS OF PRESSURE SENSITIVE TAPE TO PREVENT CONTACT WITH CONCRETE VAULT WALL.