The project, in general, consists of providing and implementing water pollution control plan and job site management; earthwork involving levee lowering; furnishing and placing articulated concrete block mat; furnishing and installing 36” diameter reinforced concrete pipes; constructing manhole structure; furnishing and installing duck bill check valves and sluice gates; demolishing existing concrete tidegate structure; providing and implementing de-watering system and temporary sheet pile cofferdams; furnishing and driving steel piles and precast concrete piles; reconstructing new tidegate structure including foundation, aprons, and cutoff walls; constructing reinforced concrete bridge abutments including wing walls and staircases; furnishing and installing bridge barriers, girders and deck; temporary relocation of irrigation line and utilities; and all miscellaneous work necessary to complete said project. This project is subject to all Local, State, and Federal laws, rules and guidelines contained in the plans and specifications, including but not limited to payment of prevailing wages. These wage rates are available at the Alameda County Public Works Agency’s office at 951 Turner Court, Room 300, Hayward, Alameda County. No contractor or subcontractor may be listed on a bid proposal for a public works project unless registered with the Department of Industrial Relations pursuant to Labor Code section 1725.5, with limited exceptions from this requirement for bid purposes only under Labor Code section 1771.1(a). The contractor for this project must possess a Class A license at the time this contract is awarded and throughout the construction contract duration. Contractor must also be properly licensed at the time the bid is submitted, except as provided for in Section 7029.1 of the Business and Profession Code for joint ventures or by Section 20103.5 of the Public Contract Code for federally-funded projects.