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 in ...

Manholes can often be a forgotten component of your paving job. When a manhole is not raised to grade after an overlay, the surrounding pavement is more likely to be damaged. There are materials ...

Sealed bids will be received via the PennBid Program until 11:00 am, prevailing time August 18, 2015. This bid is for providing the Authority with manhole riser rings of the sizes indicated in the bid ...