E.I.I. Cathodic Protection Upgrade

Rio Tinto Iron Ore (Hamersley Iron)
Dampier WA
C.C.E. Engineering
Apr 2011 to Apr 2013

E.I.I. Cathodic Protection Upgrade


These works included removal of the existing cathodic protection system at the East Intercourse Island Wharf in Dampier, Western Australia. Freyssinet was also contracted to supply, install and commission a new impressed current cathodic protection system. 

Key Aspects: 
Installation of scaffold in the area outlined.
Supply and installation of 2no. DC transformer rectification units (TRU), anodes and continuity bonds.
Removal and disposal of Transformer Rectification Unit 1 – oil cooled, existing anodes, cable and mounting hardware.
Working in a remote area and working over water.
Removal and disposal of the existing cathodic protection system, oil cooled TRU 1 and TRU 2.
Design and supply of the new TRU.
Supply and install of a complete working impressed current CP system.
CP testing facilities with 55 test points.
Pre-commissioning report, operations and maintenance manual.
Installation of dolphin cross-bonding plates and cabling.
Provision of temporary scaffolding to access cable trays and any other items not accessible from the deck.
Repairs to lay-by-berth cathodic protection system.
Training of Rio Tinto’s operations and maintenance personnel and the CP Consultant in the basic operation of the TRU such as power-on, power-off and maintenance functions.
Management of subcontractors for electrical and pre-energisation works, welding, fabrication and steel and access.