LNG Materials Offloading Facility

Client Marine & Civil / Murray Roberts (MMJV)
Referee Alan Sweet
Value > $120M
Location Northwest, Western Australia

Description

BCH are currently in the final design phases of the Materials Offloading Facility (MOF) wharf structures for an LNG facility in the North West of Western Australia. The Capital Value of the wharf facility is approximately $100M Australian.

BCH have been involved in the project from early concept scheming for the entire facility through to detailed design and documentation of the main wharf components.

BCH are the main engineering consultant providing key Engineering Services for the design of the wharf facilities including a 'barge' berth, a 'Ro-ro' berth and 'module carrier' berth. BCH have also coordinated the geotechnical and metocean components of the wharf design for inclusion in the design documentation. BCH have carried out the detailed design and documentation of the complete wharf installation excluding only the berthing dolphins, Nav Aids and small craft landing. Design has been carried out in accordance with relevant Australian Standards, client standards and recognised international standards.

The location of the facility and resultant onerous cyclonic storm related design considerations has required both innovative solutions along with well coordinated design to ensure constructability and adequate performance of the facility. The design incorporates innovative use of concrete caisson structures that will be floated into position and ballasted to the sea bed before final integration into the wharf with insitu deck construction. The design also utilises a 'combi-pile' wall system for the module carrier berth where sheet piling is integrated with composite circular steel pile sections drilled and grouted into rock forming a landbacked outstand to the main wharf front.

The project is currently ongoing and construction is expected to be completed in January 2011.


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