The structures for refurbishment are the following:

• Hillarys Boat Harbour Southern Breakwater. Refurbishment works including repacking, regarding and outfall pipe extensions on the southern breakwater at Hillarys Boat Harbour, across approximately a 160m section.
• Fremantle Fishing Boat Harbour Southern Breakwater. Refurbishment works including repacking and regarding on the southern breakwater at the Fremantle Fishing Boat Harbour, across approximately a 300-400m section.
• Dawesville Cut Southern Training Wall and Spur Groyne (optional). Refurbishment works including repacking and regarding on the southern training wall at the Dawesville Cut, across approximately a 160m section. Refurbishment works including repacking and regarding on the spur groyne at the Dawesville Cut, across approximately a 65m section around the head (the spur groyne is optional work).