Brotherson Dock Life Extension Project

This project by NSW Ports has registered for a Design v1.2 IS Rating 




The Brotherson Dock was built 40 years ago and is degrading through environmental conditions – i.e. salt water ingression and operational wear and tear. 

The Life Extension project involves the implementation of an impressed current and hybrid cathodic protection system:

  • Over 24,000 anodes installed
  • Sealant applied on warf surface
  • Hybrid corrosion protection of seaward face of capping beam
  • Water based cathodic protection of submerged concrete elements



  • Rating Type Port
  • Registered Date February 2018
  • State NSW
  • Suburb Port Botany
  • Capital Value $16 Million