Protect drinking water through contaminated land

It’s no secret that certain pollutants can degrade standard MDPE (Medium Density Polyethylene) pipes and put your water supply at risk. Contaminated soils are often found at brownfield sites – areas which were previously used for industrial or commercial works but are no longer in use.

The government actively encourages regeneration and development projects at brownfield sites – either to build more houses, warehouses or factories – to not only make the most of disused land but to protect the greenbelt and minimise urban sprawl. But, depending on the level or type of soil contamination, the water company may specify that a barrier pipe system is used to protect drinking water from the permeation of soil contaminants through the wall of the pipe.

What is barrier pipe?

Barrier pipe is a reinforced pipe that is used to safely distribute drinking water through contaminated land.

Several types of barrier pipe exist today, including ductile iron, plastic-coated copper and multi-layer plastic pipes with a metal layer. The latter is the most common type used for water supply pipes – and the one we supply, here at Cotterill Civils.

Our barrier pipe systems have a polyethylene core, surrounded by a protective metal barrier and covered with another layer of polyethylene. These are easily distinguished by the black/brown stripes along the length of the outer plastic coating.

Why use our barrier pipe system?

Our cutting-edge barrier pipe system is designed to provide the level of protection required and approved to safeguard potable water against contaminants, typically found in brownfield sites.

As a multi-layer composite structure barrier pipe, it combines the benefits of polyethylene (PE) with the exceptional barrier properties of aluminium (Al) – making it the system of choice to safeguard potable water.

Both lightweight and flexible, our barrier pipe system is quick and easy to install – without the need for thrust blocks and to post-wrap the finished joints. The pipe can be connected using almost any installation technique with our comprehensive range of barrier pipe fittings, specifically developed to give you the assurance of a safe and durable solution that protects your drinking water supply.

Another reason why you should use our barrier pipe is that we offer competitive pricing across the board, and all our prices are inclusive of VAT. Plus, many of our products come with the UK’s longest guarantees so you can be confident that you’re receiving the best value for your money.

What are the benefits of our barrier pipe system?

There are countless ways you can benefit from our barrier pipes. Here we look at just a few of them:

  • Multi-layer pipe construction PE-Al-PE
  • Brown stripes denote a multi-layer pipe
  • Full barrier pipe system
  • Combines the flexibility of polyethylene with the barrier properties of aluminium
  • Safeguards drinking water quality
  • Easy to handle, flexible and lightweight
  • End load resistant system
  • Installation cost savings – no requirement for thrust blocks
  • No requirement to post-wrap the joints
  • Suitable for most common installation techniques
  • Suitable for new and replacement drinking water supply systems

What’s more, our PlasShield conversion kits are a great choice for contaminated ground and are fast and simple to install. Available in a choice of sizes, they convert standard fittings for use with barrier pipe and meet BS8588. And the best bit is they don’t cost a fortune. Prices start from as little as £2.40.

Why choose our barrier pipe?

Flexible & strong

Combines the flexibility of polyethylene with the barrier properties of aluminium.

Cost savings

Saves on installation costs as there are no requirement for thrust blocks.

Tried & tested

Adheres to British Standards BS 8588 requirements.

Safeguards water quality

Protects against contaminants to safeguard drinking water quality.

Approved

Approved by a number of bodies including WRAS, BS and KIWA.

Service Pipe

BS 8588 (WIS 4-32-19*) ‘Type A’ pipe

Available in diameters 25 to 63 mm, our service pipe is manufactured from a black PE80 core, an aluminium barrier layer and a light blue PE80 outer layer with brown stripes.

Our service pipes are available in coils and also in straight lengths for the 63 mm pipe. They are quick and easy to join without the need for surface preparation, using our range of cutting edge mechanical fittings for our 63 mm pipe.

Mains Pipe

BS 8588 (WIS 4-32-19*) ‘Type A’ pipe

Available in diameters 90 to 180 mm, our mains pipe is manufactured from a black PE100 core, an aluminium barrier layer and a dark blue PE100 outer layer with brown stripes. Our mains pipes are joined using our range of state of the art fittings, electrofusion fittings and our butt-fusion jointing technique.

Fittings

Quick and easy to install

Our pipes are quick and easy to join without the need for surface preparation, denso or foil tape, using our range of cutting edge mechanical fittings.

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