Description of Project

Henley’s Jetty was built in 1906 when W. T. Henley started a subsea telegraphic cable works company in Northfleet. With over 100 years of ships docking at the jetty, the cable company decided to relocate the business to Sandwich, due to the modern day ships being too large for the shallow waters surrounding the jetty.

The largest problems SBS faced were the limited time during the day to undertake the demolition, due to the small time frame with the tide being far enough in to operate. The inconsistent tide times meant the operating hours would change from week to week, some weeks the work started at 5am and finished at 11am, and the next 11am to 2pm. The requirement of the tide being in to access the jetty complicated the demolition by the majority of the works happening under water with limited vision.

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Scope of Works

• Load the excavator onto the barge
• Mobilise the barge beside the jetty ensuring optimum position
• Installation of crash deck to prevent debris polluting the Thames during the demolition
• Careful segmented demolition of the walkway and supporting posts

Successes

There were several successes and achievements with the removal of the jetty.

• The final project completion date was hard to predict due to tidal constraints but through the hard work and dedication of our workforce, the 12 weeks stated was achieved
• 100% recycling rate was achieved through the close working with our sister company, Pinden Ltd
• Zero accidents/incidents