OTTAWA, May 8 (Xinhua) -- The Vancouver 2010 Olympic Games willcost only 1.63 billion Canadian dollars (1.56 billion U.S. dollars), 700 million Canadian dollars less than the original estimate of 1.7 billion, the game committee VANOC said in a business plan Tuesday.

The game is even expected to have a surplus, which would be used to fund sports in Canada, organizers said at a news conference in Vancouver.

VANOC released its 200-page business plan, which says venue construction program is on budget and on time.

The unveiling comes a day after a watchdog group for the games gave VANOC a D- grade for not meeting their social and environmental promises.

The Impact of the Olympics on Community Coalition named lack ofenvironmental assessment, poor planning for low-income housing andlack of transparency as reasons for the poor mark.