British construction group Interserve has won a £5m ($7.7m) deal to provide pipework fabrication and mechanical services for a new gas storage facility being built in a salt cavern in the UK.

The Stublach Gas Storage Project is a being developed in Cheshire, England, by Storengy UK, a subsidiary of GDF Suez. 

Once complete, it will be capable of storing around 400 million cubic meters of natural gas, making it one of the main storage facilities in the UK. Up to 28 caverns are being created, the first 10 of which are currently being solution-mined ready for commissioning in 2013. 

The Interserve contract includes the fabrication, testing, trace heating and insulation of over 7500 metres of pipework being made in Ellesmere Port.