GREEN HILLS, TENN. — Brasfield & Gorrie has been select as the general contractor for the Burton Hills office project in Green Hills. The three-story, 110,000-square-foot building will sit atop a three-story parking deck. The project will include a separate, 60,000-square-foot parking deck. The facility will serve as the headquarters for Nashville-based AmSurg Corp. Construction of the 120-car parking structure will begin this month, with construction of the office building following in summer 2013. Hastings Architecture Associates is the project architect.