Tidal and coastal

Great Yarmouth

Project: Great Yarmouth Tidal Defence Project

Location: Great Yarmouth, Norfolk

Value: £26.5m

Client: Environment Agency

Great Yarmouth has a history of flooding; in 2013, 9,000 people were urged to evacuate when the highest ever tide was recorded on the town’s river.

We have refurbished 4km of existing flood defence walls, raising defences and installing cathodic protection. Instead of just replacing quay piling as originally proposed, we refurbished existing defences, reducing costs on this element
of works by 47% and carbon by 60%.

Mablethorpe Coastal Outfall

Project: Mablethorpe Coastal Outfall

Location: Mablethorpe, Lincolnshire

Value: £80k

Client: Environment Agency

More: UK Water Projects case study

We replaced old concrete pitched stone haunching along an outfall tunnel after it had badly deteriorated, creating a safety hazard for the general public visiting the beach.

To overcome the limitations of working between tidal windows, we specified materials with quick curing properties but without compromising the quality of the end product. We also programmed the works to take place outside of the main tourist windows. 

Chantry Cottages

Project: Chantry Cottages

Location: Goole, Humberside

Value: £6.3m

Client: Environment Agency

Our client had concerns about the stability of the channel bank and foreshore of the Dutch River near Goole.  Having pinpointed the area of unstable banking, we delivered a three-phase scheme to reduce the risk of flooding to surrounding areas and properties at times of high tides. 

The solution saw us construct a permanent flood defence using a combination of sheet and Continuous Flight Auger (CFA) piling, steel tendons and rock armour to reinforce the embankment.

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Chantry Cottages