The project for flood protection on Alameda Creek in Alameda County is hereby adopted and authorized substantially in accordance with the recommendations of the Chief of Engineers in Senate Document Numbered 128, 87th Congress, 2d Session, as authorized by act of Congress approved October 23, 1962, Public Law 87-874, 87th Congress, 2d Session, 76 Stat. 1173, at an estimated cost to the State of two million four hundred thousand dollars ($2,400,000).