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Trench sheeting helps flood prevention

Water of Leith, Edinburgh

The Water of Leith is the main river flowing through Edinburgh. Though picturesque, it’s been the cause of severe flooding in the nearby residential areas over the years. After Edinburgh experienced its worst flooding in 80 years, three walls along the Water of Leith collapsed. City of Edinburgh Council took action and appointed Lagan Construction to build £11.5million of flood defences along a 2.5km stretch of the river.

pile driving into the ground for groundwork support equipment
pile driving into the ground to install trench sheeting
pile driving into the ground for groundwork support equipment
pile driving into the ground to install trench sheeting
900

trench sheets used

£11.5m

investment by City of Edinburgh Council

2.5km

stretch of wall to repair

Overview

Flood prevention scheme
Trench sheets used to build permanent flood barrier
High profile job close to residential areas

Products used on this project

The challenge

As part of the works, a permanent barrier along the river path was needed to shield the residential areas. Our engineers worked closely with Lagan Construction to design a solution using our trench sheets.

Some of the works would pass through one of the historic areas of the city and in close proximity to houses. In some cases, trench sheets would be as close as 1.5m from houses so accuracy was key.

Trench sheets or sheet piles being driven into the groundwork

Our solution

A variety of our sheets from 5m to 7m were used in the project, including Multisheet 500/6, Multilock and M15. Around 900 trench sheets were used, covering a linear meterage of half a kilometre.

With the trench sheets being driven so closely to residential areas, all movement in the area was closely monitored to ensure the safety of residents.

We gained strong praise from the main contractor for the successful efforts and diligence of the personnel involved.

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