Protective Coating of the Gates on the Ord River Diversion Dam

Protective Coating of the Gates on the Ord River Diversion Dam

Michael Harrington – McElligott Partners Pty Ltd

The initial contract included the refurbishment of four gates previously identified as needing immediate recoating and other works. The initial scope of works included both the protective coating of the gates as well as welding repairs. The abrasive blasting and painting works included:

• Erection of access platforms, scaffolding & handrails
• Complete containment of the gate, including negative air pressure and dehumidification
• The complete abrasive blasting of the external surfaces of the upstream and downstream skin plates, radial gate arms, trunnion block cover plates and seal clamp bars
• Application of an epoxy coating system to all blasted surfaces