Major works involving complete electrical, instrumentation, networking and system integration work related to the liquid train upgrades expansion. Refurbishment of blower and aeration control systems for tanks 1-8, new ferrous chloride building with associated storage tanks, primary clarifiers 9, 10, 11 and 12 upgrades, retrofitting existing RAS pumphouse, secondary clarifiers 9, 10, 11, 12, 13, 14, 15 and 16 upgrades including phased commissioning.