Precast Manholes

Storm/Sanitary Manholes –Manholes are cylindrical hollow concrete structures typically installed vertically below grade. Manholes are capped at street level with a round cast iron cover.  They are placed at vault openings or pipe junctions and provide maintenance and inspection access to underground piping systems.  

The Precast Company manufactures storm and sanitary sewer manholes with various components for use in different applications. Our manholes meet ASTM C 478 specifications, AASHTO HS-20 live load criteria, and NPCA & ACPA certifications. Our engineering team is available to help with custom sizes and designs.

Manhole components include:

  • Base Unit
  • Riser Sections
  • Concentric/Eccentric/Slab Tops
  • Grade Rings
  • Cast Iron Ring/Cover

Sanitary Manholes

Inlets – TYPE “A” –Our Type A grated water inlet structures are engineered and manufactured in a variety of styles and sizes to meet state/local standards. Inlet/Catch Basin components such as grates, knock-outs or block-outs can be customized as needed.

We manufacture standard inlet types to meet city & county specifications as required including:

TYPE "B" Inlets

Inlets -TYPE “B” Curb –Our Type B curb water inlet structures have raised grates and are engineered and manufactured in a variety of styles and sizes to meet state/local standards. Inlet/Catch Basin components such as grates, knock-outs or block-outs can be customized as needed.

We manufacture standard inlet types to meet city & county specifications as required including:

TYPE "C" Inlets

Inlets – TYPE “C” –Our Type C water curb inlet structures are designed for use in roadway or street level curb applications and are engineered and manufactured in a variety of styles and sizes to meet state/local standards. Inlet/Catch Basin components such as grates, knock-outs or block-outs can be customized as needed.

We manufacture standard inlet types to meet city & county specifications as required including:

TYPE "D" Inlets

Inlets – TYPE “D” –Our Type D grated water inlet structures have a flush mount grate and are engineered and manufactured in a variety of styles and sizes to meet state/local standards. Inlet/Catch Basin components such as grates, knock-outs or block-outs can be customized as needed.

We manufacture standard inlet types to meet city & county specifications as required including:

TYPE "E" Inlets

Inlets – TYPE “E” –Our Type D grated water inlet structures have a flush mount grate and are engineered and manufactured in a variety of styles and sizes to meet state/local standards. Inlet/Catch Basin components such as grates, knock-outs or block-outs can be customized as needed.

We manufacture standard inlet types to meet city & county specifications as required including:

TYPE "H2" Inlets

Inlets – TYPE “H2” –Our Type D grated water inlet structures have a flush mount grate and are engineered and manufactured in a variety of styles and sizes to meet state/local standards. Inlet/Catch Basin components such as grates, knock-outs or block-outs can be customized as needed.

We manufacture standard inlet types to meet city & county specifications as required including:

We Are Precast

We are driven to provide quality engineered precast solutions that work.

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