It means the construction of a new winter community in the North Caucasus mountains, the construction of 300 kilometres of roads, 100km of rail, 39 tunnels and 24 thermal and hydro power stations.
"We are well on track," asserts Mr Chernyshenko, a native of Sochi who was handed the games' baton five years ago.
"Our construction site is now probably competing in terms of size with London's," he says.
Sochi games boss in 2014 Olympic marathon
August 19, 2010