HDPE vs. Concrete: A Comparison of Manhole Ring Materials Across North America, municipalities have a decision to make regarding the manhole rings used in their infrastructure. [...]

Combating Traffic Impact with HDPE Manhole Rings There’s a major problem with the traditional concrete rings used to build manhole chimneys — they have a short [...]

Why Solving the Inflow & Infiltration (I&I) Problem Requires a Change in Thinking   Albert Einstein famously said, “Insanity is doing the same thing over and [...]

Inundated with Infiltration For a city struggling with overwhelming I&I, a holistic approach is the answer STORY Traci Browne The citizens of Revere, Massachusetts, use an [...]

Every facet of the construction industry is driven in one way or another by the bottom line. Similarly, local governments responsible for maintaining and improving infrastructure [...]

What if a city engineer had the power to reduce manhole and catch basin ring costs by 50%, while dramatically reducing installation time and effort? Bryan [...]

From Alaska to the Bahamas, Minnesota to Texas, municipalities are taking a deeper look at the durability and life-cycle costs associated with manhole collars. Too often [...]

New plastic manhole adjustment rings are being installed in residential street projects in Minnesota. Contractors and specifying engineers have never been able to specify the materials [...]

City's sewer maintenance group finds a cost-effective, long-term solution to broken adjusting rings Three years after installing IPEX LifeSaver Manhole Adjusting Rings on a busy city [...]

There are about 20 million manholes in America, and all of them have essentially the same construction: a massive cone section rising up from the sewer.  [...]