Thursday 16 October 08 - 03:58
 

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PLA's Gravesend Jetty Works Underway

The contract to demolish the existing riverside facility and rebuild a new jetty at Denton Wharf, Gravesend, has been awarded to Mowlem Marine, a division on John Mowlem and Company, by the Port of London Authority.
Demolition works underway at Denton Wharf.
Demolition works underway at Denton Wharf.

Demolition and removal of the existing jetty and cranes is underway and due for completion by the end of this year. Part of the jetty was previously used by the PLA as its maritime operational depot, while the reminder was used for handling commercial cargo by Thames Tideway Ltd. The jetty was closed to all commercial operations late in 2000 following an inspection which found it to be life-expired and unsuitable for continued use.

The new facility has been designed by Charles Haswell and Partners as an operational facility which can also accommodate 1,000 tonne ships. It will stand on pairs of large steel tubular piles with precast concrete crossbeams, precast, pre-stressed concrete deck beams and an in-situ reinforced concrete deck. The area will be significantly reduced from the current size but will extend slightly further into the river.

A 70 tonne boat lift will be installed to enable PLA craft to be lifted out of the water at high tide. An additional 40 tonne hydraulic ship's crane will also be provided at the jetty head, which will be sufficient to lift any of the PLA's launches at any state of tide, plus all operational equipment lifts.

Berthing facilities for PLA Marine Services craft and other PLA boats undergoing engineering repairs and servicing will be provided at the new facility by using one of the former Tower Pier pontoons used in central London until the end of 1999.

Once commissioned, the PLA will seek to defray costs through commercial use of the boat lifter and crane where appropriate on behalf of other river users.

MJ Information No: 17002

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Demolition works underway at Denton Wharf.

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