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Withernsea Boat Slipway

  • Client: East Riding of Yorkshire Council
  • Location: Withernsea Seafront
  • Value: £600k
  • Period: September 2014 to January 2015

The construction of a new slipway to allow boats to access the beach from the promenade level, works included rock armour, steel sheet piling, concrete works and flood gate. All works were completed in an exposed location subject to tidal water.

The works consisted of the following:

  • Work on the beach in an exposed location subject to tidal effects
  • Excavate and store for re-use heavy rock armour
  • Installation of permanent sheet piles with ties
  • Reinstate rock armour and fill behind the piles
  • Form concrete slipway
  • Breaking through existing concrete sea wall
  • Installation of temporary flood defence measures
  • New paved access across the promenade and supply and installation of new sea defence steel flood gate

The working area had the following constraints which were successfully managed during the contract:

  • Difficulty in keeping out the public
  • Tidal effects
  • Changing beach levels
  • Extreme weather and sea conditions
  • Restriction on working hours
  • Not exceeding maximum noise levels
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