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OnSite Services - Sewer Rehabilitation - 'Aqualiner' Thermoplastic Melt In Place Lining Process (TMIPP)

In a nutshell…

  • Winner of the International Society of Trenchless Technology "ISTT" Innovative Technology Award for Pipe Rehabilitation at the Toronto "No-Dig" 2009 Conference
  • Trenchless - no major excavations required, leading to reduced disruption to the existing infrastructure.
  • Simple - no complicated storing and mixing of chemicals. Potable (no harmful chemicals to leach out of the liner).
  • High strength (a structural liner that can take mains water pressure in its own right).
  • Thin – it does not obstruct the water flow, and a smooth inner surface may aid water flow.

Overview

Aqualiner is the first thermoplastic melt in place liner in the world and is different from other products as it quickens the lining process, is more durable and, due to its strong yet thin composite, optimises sewer capacity.

It works by being inserted into a sewer and then heated to approximately 200°C. Once in place, the liner is melted and provides a barrier between flows within the sewer and any weaknesses the sewer may have.

It is made from polypropylene, a by-product of the petro-chemical cracking process, which does not give off an odour when melted as it does not use chemical based resins.

Aqualiner diagram

Aqualiner is five times stronger than traditional liners and is a sustainable product as it only takes 12 kilowatt hours of power to cure the lining inside sewers, and after 100 years service it could be potentially removed and recycled.

Senior Engineer for Wessex Water's Critical Sewers team Julian Britton said…

"Aqualiner has the potential of ensuring sewers built hundreds of years ago will continue to provide a service for years to come. We have used Aqualiner on several occasions and have been extremely impressed with the benefits it will bring to our company and ultimately our customers"

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Relining Units

Our Relining vehicles are purpose built and are of recent manufacture thus ensuring reliability of service to our clients. All onboard equipment is powered by vehicle mounted generators. Other than the relining equipment, every unit carries a wide range of essential Health & Safety equipment for safe confined space entry. Visit Health and Safety for more details.

Team Training

OnSite provides a comprehensive package of training for all site personnel. Visit Training for more details.

Quality Assurance

A CCTV inspection is undertaken of every sewer both prior to and immediately after relining to assure the client that the liner has been correctly installed and is free of any defects.

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