Turner Construction Co. has begun work on a new $100-million contract to renovate and expand Harrah’s Cherokee Hotel Casino in Cherokee, N.C.

The project will add 110,000 sq ft of gaming floor area to the casino, while renovating the existing 130,000 sq-ft gaming floor. The scope of work will also provide bars, restaurants and entertainment stages to the casino and hotel. A 70-foot interior waterfall and rotunda area also will be added.

Completion is scheduled for January 2013.

The project is part of a renovation and expansion program undertaken by the Eastern Band of Cherokee Indians to double the size of the existing casino, hotel and parking facilities. The owner is also adding a spa and entertainment and dining amenities.

Turner is also working on the $120-million contract to for the 500,000-sq-ft Cherokee Hotel Tower III at the resort, which is scheduled for completion in December.