GWA progresses trenchless rehabilitation

Two different contractors have been chosen for a sewer rehabilitation project in Guam.

The Guam Waterworks Authority (GWA) System Improvement Project is the rehabilitation and replacement of a sewer line in Hagåtña, Guam.

The project comprises the installation of a 30 inch (762 mm) diameter sewer line, the installation of two new sewer manholes and the rehabilitation of existing sewer lines and manholes throughout the route.

Guam Pacific Daily News reported that two different contractors have been secured for the project: ProPacific Builder Corporation and Insituform Technologies LLC.

ProPacific has a US$3.4 million contract for the rehabilitation and replacement portion of the project while Insituform has a US$4 million contract to line the sewer pipe which is not being replaced.

The rehabilitation of sewer lines will be completed using the cured-in-place pipe trenchless method.

GWA said its GWA System Improvement Project will upgrade the central sewer collection system in Hagåtña by realigning the overall flow, hence increasing the sewer collection capacity.

The project commenced in July 2019 and is anticipated to be finalised by June 2020.

For more information visit the GWA website.

If you have news you would like featured in Trenchless International contact Head of Production Chloe Jenkins at cjenkins@gs-press.com.au

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