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If you were to work at a firm for 50 years or stay married to the love of your life for 50 years, would you say that was a remarkable milestone?   Would one consider this to be a life time of service where congratulations are in order?  So, tell me, when a design engineer chooses to use a pipe product that has an anticipated design service life of

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Reclaim TunnelsA Reclaim Tunnel refers to a buried conduit that encloses a material conveyor. The conduit is used to transport aggregate, sand, coal or other minerals from a central stock pile to an off loading location. These material stock piles can be as tall as 80’ high. Reclaim Tunnels will normally have hopper openings to allow flow of the

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Ever had a project with an inconvenient site, whether it was crowded or remote? Or maybe even a project where lots of pipe was needed-and fast? Contech offers an exciting solution to issues like these in which pipe can be rolled on site-that’s right!The MOBILE PIPE® Mill is a modular mill that can be transported from place to place via truck,

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 I’ve recently been seeing engineers choosing what I feel are inappropriate Manning’s “n” coefficients for sewer design.  Some choose too conservative values, while others don’t understand that long term creep within the pipe wall may adversely affect the hydraulic performance of certain pipe types.  A few things to consider are as follows: 

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Culverts and buried bridge structures rely on a number of practical design and installation criteria to ensure they function structurally, hydraulically and aesthetically. Such structures need to be sized to fit the site hydraulic requirements. Additionally, they need to be installed with proper backfill material, placement and compaction methods.

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