Raglan Mine Deception Bay

Rehabilitation of an existing wharf including dredging of clean and contaminated sediments, placing of mattress material, unloading, storing and monitoring of caissons in Deception Bay, towing, manoeuvring into position and sinking three concrete caissons onto the mattress rock. Filling the caissons with stone and filling the area behind and beside the caissons with stone and rip.