"No one can touch it because it comes at a huge price."
It is expected to be a 200-room hotel; offices and apartments will be built on 5500sq m of land owned by the Waterfront Development Agency on behalf of the Auckland Council.
Fu Wah's bid is understood to have won out over a rival tender by Wellington-based firm Willis Bond.
Fu Wah's chairwoman, Madam Chen Lihua, a self-made billionaire, was named as one of Time magazine's most influential people in 2012. Last week, Fu Wah bought Melbourne's landmark Park Hyatt hotel for about $143 million in its first major purchase in that country.
The Viaduct project is the second luxury hotel for Central Auckland, along with hotel group Accor constructing a designer Sofitel So in the old Reserve Bank building in the Britomart precinct.
The 133-room hotel is due to open early next year, and is just the fourth such Sofitel hotel to be built in the world.