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Oldcastle Precast, Inc.
5230 NW 17th St.
Topeka KS, 66618
Phone: (785) 232-2982
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Skip Navigation LinksHome > Products > Water > Conveyance > Manholes

Manholes 

Manholes are hollow concrete tubes that are installed vertically below grade and are lidded with a round cast iron lid at street level.  They are placed at vault openings or pipe junctions and provide maintenance and inspection access to underground piping systems.

Oldcastle Precast manufactures a variety of manholes with various coatings and design components for use in different applications.  Manholes designed and manufactured at Oldcastle Precast meet ASTM C 478 specifications, AASHTO HS-20 live load criteria, and NPCA & ACPA certifications.  Our manholes are made with type I or II cement unless otherwise specified.  Custom and standard sizes are available.


Applications:

  • Air release valve access
  • Stormwater management systems
  • Wastewater / sewer piping access
  • Roadways
  • Pedestrian paths
  • Parking areas

Download PDF

Images Product Name Materials Docs
48" ID Manhole with 1'-0" Concentric Cone - Det 4'-0" ID x Varies Concrete pdf
48" ID Manhole with 1'-0" Concentric Cone - Iso 4'-0" ID x Varies Concrete pdf
48" ID Manhole with 1'-4" Eccentric Cone - Det 4'-0" ID x Varies Concrete pdf
48" ID Manhole with 1'-4" Eccentric Cone - Iso 4'-0" ID x Varies Concrete pdf
48" ID Manhole with 2'-8" Eccentric Cone - Det 4'-0" ID x Varies Concrete pdf
48" ID Manhole with 2'-8" Eccentric Cone - Iso 4'-0" ID x Varies Concrete pdf
48" ID Manhole with 3'-0" Concentric Cone - Det 4'-0" ID x Varies Concrete pdf
48" ID Manhole with 3'-0" Concentric Cone - Iso 4'-0" ID x Varies Concrete pdf
48" ID Manhole with 4'-0" Concentric Cone - Det 4'-0" ID x Varies Concrete pdf
48" ID Manhole with 4'-0" Concentric Cone - Iso 4'-0" ID x Varies Concrete pdf
48" ID Manhole with Concentric Flat Top - Det 4'-0" ID x Varies Concrete pdf
48" ID Manhole with Concentric Flat Top - Iso 4'-0" ID x Varies Concrete pdf
48" ID Manhole with Eccentric Flat Top - Det 4'-0" ID x Varies Concrete pdf
48" ID Manhole with Eccentric Flat Top - Iso 4'-0" ID x Varies Concrete pdf
60" ID Manhole with 2'-8" Eccentric Cone - Det 5'-0" ID x Varies Concrete pdf
60" ID Manhole with 2'-8" Eccentric Cone - Iso 5'-0" ID x Varies Concrete pdf
60" ID Manhole with 3'-0" Concentric Cone - Det 5'-0" ID x Varies Concrete pdf
60" ID Manhole with 3'-0" Concentric Cone - Iso 5'-0" ID x Varies Concrete pdf
60" ID Manhole with Eccentric Flat Top - Det 5'-0" ID x Varies Concrete pdf
60" ID Manhole with Eccentric Flat Top - Iso 5'-0" ID x Varies Concrete pdf
60"ID Manhole with 60" x 48" Reducing Flat Top - Det 5'-0" ID x Varies Concrete pdf
60"ID Manhole with 60" x 48" Reducing Flat Top - Iso 5'-0" ID x Varies Concrete pdf
72" ID Manhole with 2'-8" Eccentric Cone - Det 6'-0" ID x Varies Concrete pdf
72" ID Manhole with 2'-8" Eccentric Cone - Iso 6'-0" ID x Varies Concrete pdf
72" ID Manhole with 3'-6" Concentric Cone - Det 6'-0" ID x Varies Concrete pdf
72" ID Manhole with 3'-6" Concentric Cone - Iso 6'-0" ID x Varies Concrete pdf
72" ID Manhole with 72" x 48" Reducing Flat Top - Det 6'-0" ID x Varies Concrete pdf
72" ID Manhole with 72" x 48" Reducing Flat Top - Iso 6'-0" ID x Varies Concrete pdf
72" ID Manhole with Eccentric Flat Top - Det 6'-0" ID x Varies Concrete pdf
72" ID Manhole with Eccentric Flat Top - Iso 6'-0" ID x Varies Concrete pdf
96" ID Manhole with 96" x 48" Reducing Flat Top - Det 8'-0" ID x Varies Concrete pdf
96" ID Manhole with 96" x 48" Reducing Flat Top - Iso 8'-0" ID x Varies Concrete pdf
96" ID Manhole with Eccentric Flat Top - Iso 8'-0" ID x Varies Concrete pdf
96" ID Manhole with Eccentric Flat Top - Iso 8'-0" ID x Varies Concrete pdf

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