Overview

Oldcastle Infrastructure’s manholes are versatile in the construction of buried structures. Manholes are often utilized at vault openings or pipe junctions to provide maintenance and inspection access to underground piping systems, meters, and facilities. The 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. Additionally, sealed manhole systems are available, which can be built to specification. Access and service manholes are versatile access points to various equipment and pipe connections. These manholes are strong enough for traffic applications, including in roadways, parking lots, and pedestrian paths.

Specs & Guides

Measurement System:

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Concrete

High-Flow Bypass Manhole – Sizes Vary

Model: Hi-Flow Bypass Manhole - size varies

MFG Plant: Wilsonville, OR

Concrete

60″ Manhole

Model: 60" Manhole

MFG Plant: Wilsonville, OR

Concrete

4′-0″ Dia. Manhole-Storm/Sewer

MFG Plant: Fredericksburg, VA

Concrete

48″ Dia. Manhole w/48″ Concentric Cone

Model: 48MHCC48

MFG Plant: Topeka, KS

Concrete

48″ Dia. Manhole w/36″ Concentric Cone

Model: 48MHCC36

MFG Plant: Topeka, KS

Concrete

48″ Dia. Manhole w/32″ Eccentric Cone

Model: 48MHEC32

MFG Plant: Topeka, KS

Concrete

48″ Dia. Manhole w/16″ Eccentric Cone

Model: 48MHEC16

MFG Plant: Topeka, KS

Concrete

48″ Dia. Manhole w/12″ Concentric Cone

Model: 48MHCC12

MFG Plant: Topeka, KS

Concrete

48″ Dia. Manhole w/Eccentric Flat Top

Model: 48MHEFT

MFG Plant: Topeka, KS

Concrete

48″ Dia. Manhole with Concentric Flat Top

Model: 48MHCFT

MFG Plant: Topeka, KS

Concrete

60″ Dia. Manhole w/32″ Eccentric Cone

Model: 60MHEC32

MFG Plant: Topeka, KS

Concrete

60″ Dia. Manhole w/36″ Concentric Cone

Model: 60MHCC36

MFG Plant: Topeka, KS

Concrete

60″ Dia. Manhole w/Eccentric Flat Top

Model: 60MHEFT

MFG Plant: Topeka, KS

Concrete

60″ Dia. Manhole w/ 5’0″ to 4’0″ Eccentric Reducing Slab

Model: 60MHERS6048

MFG Plant: Topeka, KS

Concrete

72″ Dia. Manhole w/32″ Eccentric Cone

Model: 72MHEC32

MFG Plant: Topeka, KS

Concrete

72″ Dia. Manhole w/36″ Eccentric Cone

Model: 72MHCC42

MFG Plant: Topeka, KS

Concrete

72″ Dia. Manhole w/Eccentric Flat Top

Model: 72MHEFT

MFG Plant: Topeka, KS

Concrete

72″ Dia. Manhole w/6’0″-4’0″ Eccentric Reducing Slab

Model: 72MHERS7248

MFG Plant: Topeka, KS

Concrete

96″ Dia. Manhole w/Eccentric Flat Top

Model: 96MHEFT

MFG Plant: Topeka, KS

Concrete

96″ Dia. Manhole w/8’0″-4’0″ Eccentric Reducing Slab

Model: 96MHERS9648

MFG Plant: Topeka, KS

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