Case Study

Anthon's Landing Jetty

This project, undertaken in Australia's northernmost town Wyndham - was winner of the 2012 WA Engineering Excellence Award for Engineering in a Regional Community. 

In October 2010 the Shire of Wyndham East Kimberley (SWEK) awarded a contract to Maritime Constructions for the design and construction of a new multi user jetty and berthing facility at Anthon Landing.

SWEK required the new jetty to be available for use by vessels up to 50m in length and in all tides, allow for tourist boats to tie up and offload passengers and be accessible to the public for general recreational use.

After extensive community and stakeholder consultation the agreed specification and the involvement of Maritime Constructions' design partner Aztec Analysis the agreed specification stipulated the construction of 108m long jetty (steel raker piles, steel super-structure, concrete decking) with a 36m x 7.5m berthing pontoon, connected to the jetty by a 45m long enclosed steel truss gangway providing unrestricted wheelchair access for all states of tide.

Maritime, civil and structural engineering disciplines were utilized to overcome numerous challenges such as strong currents, 9m tidal range and cyclone/flood events, to bring about a high end facility that is now a focal point for tourism and community activity in the remote Kimberley region.
 

Scope of work

  • Detailed design of jetty, pontoon and gangway system. Jetty is 108m x 4.5m with a 9m T-head for vehicle turning;
  • Drive steel 23 raker piles (660mm) for the jetty; 7 piles (610mm) for the pontoon; and 4 mooring piles (813mm);
  • Construction of concrete abutment;
  • Fabrication and installation of cross heads and longitudinal girders;
  • Laying of pre-cast concrete deck planks complete with solar powered tile lights inset into the planks;
  • Installation of handrails, ladders, and street lighting;
  • Fabrication and installation of 36m x 7.5m berthing pontoon complete with recycled plastic decking and fendering system; and
  • Fabrication and installation of 45m long steel box truss gangway complete with end roller system to cater for 8.7m rise and fall of tide.
     

Particulars

Client Organisation - Shire of Wyndham East Kimberley
 

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