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Trenchless Sewer Replacement

As we say throughout this site, engineers solve problems, typically the kinds of problems most of us would rather keep out of sight and out of mind.  Sewer pipes and water pipes are a great example of problems that are out of site, until they break!

We take for granted that water and sewage comes and goes from our homes and offices automatically but the pipes that make this happen won't last forever. Instead they corrode and eventually break causing very expensive and disruptive repairs.

In the past, sections of pipe that had corroded would have to be replaced.  Long trenches would have to be dug to do this work which would leave streets blocked and open causing traffic delays and other inconveniences to the public.

Technology has now stepped forward to address this problem in the name of "Trenchless" pipe replacement.  The way it works is that a lining is inserted and then inflated to line an existing pipe and when mixed with heat or ultra violet light and ambient curable resin to create a pipe within the pipe.

This solves the most expensive aspect of pipe replacement which is the factors involved with excavation, including time.  Most trenchless methods can repair a sizable stretch of pipe in a day.

Trenchless methods are also known as sliplining, thermoformed pipe, pipe bursting, cured in place pip (CIPP), grout in place pipe. 

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