The U.S. Army Corps of Engineers Nashville District announced construction blasting activities at Center Hill Dam, currently taking place Monday through Friday, will also occur on Saturdays. Saturday blasting started Sept. 16.The Corps of Engineers’ contractor, Thalle Construction Co., began blasting activities earlier this year to build a concrete reinforcing berm downstream of the Center Hill Auxiliary Dam. The work also includes stabilization of a previous rock cut just west of the main dam where Monday through Saturday blasts are also expected to take place beginning in December 2017.Blasting activities are expected to occur daily from 9 a.m. to 6:30 p.m. Motorists should expect delays of no more than 10 minutes.