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Case Study

Project: British Waterways Board
Contractor: Galliford
Site: Knypersley Reservoir, Stoke on Trent
Equipment: 2 Cranes, an Excavator, a Vibro, Pontoons and a Tug Boat.

The job was to create a solution to enable access to a blocked reservoir outfall.

The installation point was not accessible by land so we:

• Formed a landing stage for access to the reservoir.
• Crossed 500m across the reservoir using pontoons and a tug boat.
• Formed a cofferdam around the blocked outfall to enable access for repair, maintenance and clearance of the culvert in 8 metres depth of water. (pictures below)

Please scroll down to see the various stages of this project.

Crossing the lake using Pontoons and Tug boats: Landing on left.

Forming the Cofferdam:

Completing the Cofferdam:

Completed Cofferdam pumped out after framing: