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Gunsite flood alleviation project

About the project

In recent times, the areas around the Gunsite and the bottom of Beaumont Hill have been affected by flooding. This is caused by sea water coming over the wall during storms and high spring tides.

To reduce the risk of flooding the sea wall is being raised by 30cm. This is being carried out in two phases:

  • Phase 1: raising the sea wall from the Gunsite slipway to Le Perquage car park
  • Phase 2: from Le Perquage car park

Part of the existing sea wall is being demolished and holes drilled in to connect the new raised wall.  

This work will create some noise. The contractor, Geomarine,  will use noise barriers. These are designed to reduce noise but not exclude it altogether.

The works are being carried out in 50m long sections along the promenade.

Flood protection is being maintained by using large sand bags and by only demolishing the wall in 14m lengths.

Phase 1: Completed in 2017

Area of work: From near the Perquage car park, going west, to the Gunsite slipway.

Phase 2: Proposed start March 2018(date to be confirmed)

Area of work: From near the Perquage car park, going east.

Duration of work: 11 weeks (weather permitting)

Working hours:

Monday to Friday: 7.30am to 5pm.

Saturdays: 7.30am to 12.30pm.

No work on:

  • Sundays
  • Easter Bank Holidays
  • May bank holidays
  • Liberation Day

Using the promenade

Pedestrians, cyclists, le Petit Train, Funbikes etc can still use the promenade.

The Gunsite flood alleviation project information leaflet 

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