Grade Riser Round 24″, 36″, 38″, & 42″

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.

• Single Piece Construction
• Base/Bottom Section
• Lids and Top Sections
• Body Slab and Risers
• Frames and Covers
• Embedded Lifters
• Grade Rings and Risers
• Embedded Pulling Irons
• Drainage Sump
• Racking
• Knock-outs

• 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
• Cover and protect
• Maintenance and inspection accessibility
• Variety of shapes and sizes
• Variable access opening sizes and locations offered
• Customization to accommodate required depths
• Variety of shapes and sizes
• Variety of sizes and shapes
• Rectangular frames and galvanized covers or manhole frames with cast or ductile iron covers
• Allow for easy install
• Galvanized steel material
• 2, 4, 8, and 20 ton loading capabilities
• 1 ton universal lifters also available
• Elevate access opening covers to grade
• Available in rectangular and round shapes
• Anchor and stabilize cable pulling equipment
• Carbon steel-galvanized material, stainless steel available upon request
• 2″ knock-out hole designed in base section for drain pipe
• Outer lip positively locks the base of pipe into the vault
• Propylene drainage sumps available upon request
• Hold and secure cables or wiring
• Vertical or horizontal adjustability
• Additional cable support arms are available from 4″ to 8″
• Round or rectangular shapes designed in base as well as top sections
• Offered in multiple locations to accommodate various connection sizes and elevations
• Easily broken with a hammer to size

Model: Grade Risers Round - 24", 36", 38", & 42"

Material: Concrete

Load Rating: manholes, components-manholes-2

Measurement System:

Height: Variable

Width: 2’

Diameter: 2’ 0'”

Downloads

PDF: 112-ROUND-RISERS-1.pdf

DWG: 112-risers-ROUND-1-1.dwg