Torbay and Paignton WWTS, Devon, Sheet Piles

Sheet pilesSheet piles

Project:

Install and extract sheet piles to form various cofferdams and deep trenches to allow the installation of deep drainage and structures on site at various locations as part of the larger Torbay wastewater cleanup scheme.

Details:

The main part of the scheme for Wessex Water took place by “Hopes Nose” area of the bay, where a 30 m deep underground storage tank was constructed using a concrete caisson method. The associated pipework that intercepted the existing sewers was up to 8 m deep.

The pipework which ran through residential streets required sheet piling to both sides to allow its installation. The ground was a mixture of materials including, made, clay, shale and hard bedrock.

Using one of our side grip piling rigs we installed and extracted piles of various lengths in conjunction with the pipe laying process. This proved very effective when working in a leapfrog fashion, hence minimising the amount of materials that were required for the scheme.

Prior to Ale Pilings arrival on site, the client had been unable to install sheet piles effectively and had seen a lot of damage to the on hire sheet piles. Once Ale Piling had arrived on site, the scheme regained momentum and the sheet piles attracted no further damage.

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