materials feature | PE100
Irish infrastructure UK-based Radius Systems has recently supplied infrastructure pipe to two separate construction projects in Ireland. Recently, it supplied 41km of its ProFuse peelable
pipe to Gas Networks Ireland, for one of the country’s largest gas infrastructure projects. The pipe will transport gas to Wexford, from a power station 40km away. In the €16.5m project, 400mm ProFuse pipe – a PE100 pipe – will deliver gas to Wexford itself, while a smaller amount of PE80 pipe will distribute the gas around the town.
The pipe is designed with a peelable skin, which is
Radius Systems is sup- plying gas and water pipe for two ongoing projects in Ireland
collaboration with several partners including: the European Plastic Pipes and Fittings Association (Teppfa); Swedish pipe pressure testing institute Exova; UK-based pipe maker Radius Systems; and Downley Consultants, a provider of global business and engi- neering consulting services in trenchless technology and geosynthetics. The tool guides users through a decision-making
process based on the hydraulic capacity and pressure requirements of the pipeline and the physical and geotechnical conditions of the project. It then calculates the diameter and SDR (Standard Dimensional Ratio, the ratio of outside diameter to wall thickness) of PE100 pipe necessary. It also identifies feasible methods for installation of the pipe. Clicking on any of the feasible methods identified
Agru used butt welding to
prefabricate
two conduits, each 220m long, for an
HDD project in Germany
leads to pages of information about the methods so that the user can understand their capabilities as well as the practicalities such as cleaning and inspection (for the rehabilitation methods), excavation and space require- ments, end fittings, and safety. This allows the user to understand which of the methods is most suitable for the project.
These pages can be accessed directly without going
through the design and decision stage. “This guide will help users decide whether or not
trenchless techniques can be used to install PE100 on a specific project, which techniques are the most effective, and what key points need to be considered in using them,” according to Hans Pierik, president of the PE100+ Association, and global marketing manager of Sabic.
www.pe100plus.com/PE-Pipes/No-Dig-technical-Guide/r1098.html. “PE100 pipe is at the heart of water and gas
distribution systems around the world, so it is critical that designers and engineers make the right decisions when they develop projects for new trenchless pipe installations or rehabilitation of old pipelines.” The guide is available at:
www.pe100plus.com/ PE-Pipes/No-Dig-technical-Guide/
r1098.html.
26 PIPE & PROFILE EXTRUSION | April 2017
www.pipeandprofile.com
applied to the core pipe during manufacturing and offers high abrasion resistance, and protects the pipe during handling, transportation and installation. When the skin is removed, it reveals a pipe surface
ready for jointing using electrofusion or butt-fusion welding techniques. Traditionally, GNI would have used high-pressure
steel on this type of long distance pipeline scheme, but was keen to evaluate the suitability of polyethylene – which it had previously used for pipelines up to 315mm in diameter.
The pipeline is undergoing construction, and is
scheduled for completion in the second half of the year. “This ProFuse gas pipeline to Wexford was the ideal opportunity for us to develop a solution that meets our customer’s exacting criteria for a robust, high perfor- mance and sustainable pipe system,” said Mark Hunter, product and technical support manager at Radius Systems.
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