Waterway Constructions - Specialist Maritime Contractor Marine Construction, Marine, Wharves, Piers, Sydney Harbour, Construction, restoration, heritage, demolition, piling, sheet piling, bridges, pontoons, heavy lift, timber wharves, New South Wales, Australia, Kochi crane, crane barge, Loadstar Piling Barge, Maeda Crane, wharf construction, maintenance,, specialist maritime contractor, Maritime Construction, Australia Waterway Constructions is one of the largest specialist maritime contractors on the East Coast of Australia - construction and maintenance