Overview

Precast Grade Rings can be added at vault and manhole access openings to allow the manhole cover to reach grade level. Precast Grade Rings allow for height adjustability of access openings and are available in a variety of diameters and heights for increased flexibility during vault and manhole installation.

Features & Benefits
  • Single Piece Construction
  • Offers immediate accessability to maintain and inspect the critical infrastructure
  • Customizable sectional design
  • Quick and easy install
  • Water-based damp-proofing, epoxy-based chemical resistant, and other coating options are available upon request
Specs & Guides

Model: Grade Risers - 3002, 3004, 3006, 3012

Material: Concrete

Load Rating: manholes, components-manholes-2

Height: Variable

Width: 2’ 6”

Diameter: 2’ 6”


Downloads

PDF: 020-RNDRSRS-1.pdf

DWG: 020-RNDRSRS-1.dwg

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Whether you're looking for additional product information or design assistance, or you’re ready to get a personalized quote, our dedicated team is here to guide you every step of the way.

Product
Availability

Location Available

28499 SW Boberg Road
Wilsonville, OR

Phone

(888) 965-3227

Hours

M-F 7:00-4:00
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