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CIPP improves water main reliability in California

Cured-in-place pipe (CIPP) technology has improved reliability and reduced leakage in a project in California, US.

In order to prevent line leaks and outages, the California Special District Irvine Ranch Water District upgraded a 1,372 m pipeline for recycled water using Aqua-Pipe.

The pipeline runs along the Coral Cay/Seawatch fire access road between the Crystal Cove and Pacific Ridge communities in Newport Coast and delivers outdoor water used for irrigation.

Works began with pipeline cleaning and the removal of debris, roots and other materials that would prevent the proper installation of the liner, followed by a thorough condition assessment.

To minimise construction impacts, a standalone structural CIPP liner was installed inside the existing pipe using three access pits, extending the entire length of the original pipe.

After this, robotic reinstatement of service connection took place from within the pipe.

Liner installation began in late July, with pressure testing and repairs to damaged sections of the pipe taking place between September and November.

For more information visit the Aqua-Pipe website.

If you have a project you would like featured in Trenchless International contact Assistant Editor Chloe Jenkins at cjenkins@gs-press.com.au

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