Turner manhole riser rings address a major dilemma facing today’s street maintenance departments by raising manhole castings to grade quickly and inexpensively, yet permanently. Can be installed ...

EJ's Infra-Riser multi-purpose rubber composite adjustment risers enable the cast iron frame and lid components of manhole and catch basin structures to be easily adjusted to the surrounding road ...

VANCOUVER, Wash., Aug 10, 2021 /PRNewswire/ -- RimRiser, Inc. today announced that RimRiser ™ adjust-to-grade systems for manholes, catch basins, and precast tops are now available from RimRiser ...

Sealed bids will be received via the PennBid Program until 11:00 am, prevailing time July 12, 2018. This bid is for providing the Authority with manhole riser rings of the sizes indicated in the ...

Typically manhole heights are adjusted by adding or removing cast iron riser rings that the manhole lid sits in if the road work will create an elevation change, according to McKenzie.

As part of the planning, SCDOT officials say they reach out to their utility partners anticipating the need for manhole covers to be raised after this kind of work. Crews use “riser rings” to ...