Fast Facts

Field Location 75 kilometres north-west of Dampier, WA
Total Project Budget $480m ($375m committed to design & construction of infrastructure)
Project length 26.5 months
Manhours Over 3,400,000
Engineering Effort Up to 290 engineers in 3 locations for over two years
Project delivery The first alliance to be formed in the Australian Offshore Oil & Gas Industry.
Alliance members Ampolex, Dawson Brown & Root, Keppel FELS, Leighton Contractors, Ove Arup & Partners
Weight of CGS 81,000 tonnes
Size of CGS 113 metres long by 67.5 metres wide with a height of 16.7 metres
Storage capacity of CGS 63,600 kilolitres of oil (400,000 barrels)
CGS Material Post-tensioned reinforced concrete
Distance CGS towed 1700 kilometres, withstanding waves of 8 metres during the tow
Casting Basin Depth 15 metres
CGS Basin excavated material 450,000 cubic metres
Bunbury workforce Approximately 200 personnel including 40 engineers
Design Office workforce Approximately 180 engineers plus supporting personnel
Offshore installation workforce 27,000 manhours
Topside workforce Up to 600 personnel
Weight of topside 6,500 tonnes
Location Click here to see the location of Wandoo B
Towing time for topside 22 days, avoiding 2 cyclones on the way
Time to mate topside and base 41 hours instead of the expected 3 days with vertical shocks of up to 3,900 and lateral forces of up to 500 tonnes absorbed
Length of sub-sea pipelines to carry oil 9 kilometres













  • Australian Constructors Association
  • Cochlear
  • Defence Materiel Organisation (DMO)
  • Defence Science and Technology Organisation (DSTO)
  • Leighton Holdings Limited
  • Resmed
  • Thales
  • ARUP
  • KBR