Seaforth Channel Demolition

Overview

ABCO Marine Ltd were contracted by Farrans Construction Ltd to complete channel widening in relation to the 4CL 4G Enabling Works, Seaforth Passage. ABCO Marine were sub-contracted to carry out demolition of all existing concrete, mass concrete, miscellaneous steel outside the line of the new combi wall in connection with the project.

Project Information

Works area extended to about 1300m² with average demolition depth reaching 18m under water, thus requiring the use of specialist long reach excavators to complete the works. In total 23,000m³ of demolition material was recovered quayside, where it was separated & transported off-site. 

  • Mobilised two specialist long reach demolition barges, c/w associated demolition tools including jack hammer, hydraulic sheers, rockwheel & ditching buckets.
  • Supervise widening of Seaforth channel to design depth of -5.6m (Chart Datum), with 23,000m³ of demolition material recovered quayside for separation & disposal. All works completed with close liaison with Harbour Masters office and in-line with harbour procedures.
  • Ensure all ABCO Marine sub-contractors adhere to quality system, provide daily H&S updates to Client and works specification.
  • Preparation and Interrogation of production survey updates to produce progress images & volume reports, with bathymetric surveys conducted and supplied by third parties employed by the port.
  • Preparation and review of contract programme & provide regular updates via weekly progress reporting.
  • ABCO Divers Ltd – commercial diving company, supported demolition works as & when required. Works included identifying obstacles, slinging loads pre-lift & providing final demolition confirmation with bar sweep.  Diving operations were complete from deck of excavation barge in C.18m of water.

Client

Farrans for Peel Ports

Client Representatives

Farrans Construction Ltd

Category

Marine Dredge

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