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After recently completing a PDH article for Informed Infrastructure entitled, ""How to Design a Culvert Reline Project." I thought it apropos that we take some time here to answer a few more questions regarding reline that I have received over the course of time. So without further ado and in no particular order, let's delve into the World of

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When a culvert or storm sewer reaches the end of its useful service life, the option to excavate and replace is commonplace. However, having the additional option to reline the existing structure to provide a structural solution can save significant time and money.But when is it too late?Inspecting the current conditions of the existing pipe is a

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I am often asked, "How much does a reline project cost?".  Before making an attempt to answer this let’s begin with some perspective, relative to traditional approaches.  When comparing reline options to open cut and replace options, segmental sliplining is nearly always the most cost-effective approach, unless the site has some unusual features

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During a recent Contech reline webinar and following question and answer session, I realized there were several great questions asked about Reline Grouting. It made sense for me to address some of those here, hoping the responses provided might prove helpful to an extended audience. Hopefully, you agree!   WHAT TYPE OF GROUT IS RECOMMENDED AND IS

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I often receive questions on how to properly design a reline project, from assessment and hydraulics to structural design.  I thought I would take time to discuss one involving the latter in particular.QUESTION: I am doing a reline of a 60" diameter storm sewer. There are a lot of structural design methodologies being touted by various product

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