Natomas Basin Reach I Contract 1 Levee Improvement Project

open for bidding

The U.S. Army Corps of Engineers is seeking bidders to carry out Natomas Basin Reach I Contract 1, a levee improvement project in Sacramento County. The project is located on the reach of Natomas levee adjacent to the American River in Sacramento. It includes installation of approximately two miles of cement-bentonite cutoff walls between Gateway Oaks Blvd. and Northgate Blvd., mostly centered on Garden Highway. The cutoff walls will have an average depth of 45 ft. Excavation spoils will be hauled to a site to be spread and compacted. A landside drainage blanket will be installed on the levee slope underneath Interstate 5. Relocation or removal of waterlines, sanitary force mains and other utilities is included.