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Over the years some things need improving but other don't

 

Polypropylene and polyethylene (collectively known as polyolefin) sewer pipes have been widely used for over 40 years and have an established track record for reliability, integrity and trouble free service. However their predicted overall life expectancy has been discussed for many years without a definitive answer becoming available.

Following the conclusion of a major two year project co-ordinated by TEPPFA in conjunction with LyondellBasell, Borealis and TGM (Austria) that situation can now be changed and:
Designers, owners and operators can now be confident that polyolefin sewer systems will have an in-service life of at least one hundred years when materials, products and installation practices meet the appropriate requirements.

The outcome of this project is vitally important for material suppliers, pipe manufacturers and the designers and operators of sewer systems. Allowing polyolefin sewer pipes to continue to be specified with increased confidence in their asset life.
The basis for confidence in the conclusions from this project is explained in this guide

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A Designer's Guide to Plastic Sewer Pipe Stiffness Classes

Plastic sewer pipes are manufactured in a range of stiffness classes to allow designers to develop the optimum solution for different site conditions. TEPPFA has produced a new guide which aims to provide designers with useful information regarding the classes available, their characteristics and performance in order to assist with the selection of the appropriate stiffness class for a specific project.

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Teppfa Video Proves Significant Time Savings with Plastic Sewer System

It has been long been known that installing a plastic sewer system would be faster than installing concrete. Teppfa now has the visual proof of this assumption!

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