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News Centre > Wednesday 07 September 2022

Pumping station refurbishment project progressing well

Grandes Rocques pumping station

Guernsey Water's 2022 wastewater pumping station refurbishments are progressing well as part of rolling programme of capital investment.

The refurbishment of Grandes Rocques pumping station, situated in the grounds of La Mare De Carteret School, is currently running ahead of schedule. It has involved the construction and installation of a new wet well, valve chamber and kiosk and is the largest refurbishment in the 2022 programme of works.

Carl Falla, Capital Delivery Manager at Guernsey Water, said: "The existing pumps and station will continue to remain in use whilst the new chamber and pump control kiosk are commissioned, the wet well chamber itself is constructed out of stainless steel.

"The wet well holds the pumps and acts as storage, allowing wastewater to build up before being pumped away, this is the most energy efficient way to run the pumping stations. It also provides extra capacity within the wastewater network, helping to alleviate the risk of flooding during periods of heavy rain. " Said Mr Falla.

The utility advised that the bulk of the works was planned and undertaken through the school summer holidays to limit disruption as much as possible, but that the work would continue into the school term for a period of time.

The programme costs Guernsey Water approximately £600,000 annually and generally involves the installation of replacement pumps and station panels. The utility advised that customers should not experience any service disruption during refurbishments.

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