The work shall consist of removing and replacing deck coating, concrete stairs, concrete deck edge coping, and concrete flatwork. The work shall include, but not be limited to, adjusting existing facilities to grade, relocating and reinstalling existing facilities and water pollution control. All Contractors and subcontractors listed on the bid proposal must be registered with the Department of Industrial Relations. No contract will be awarded to a Contractor or subcontractor unless registered with Department of Industrial Relations. Award of the contract, if it is to be awarded, will be to the lowest responsible bidder whose proposal complies with all the requirements described. Such award, if made, will be made at a meeting of the Antioch City Council within 90 days after the opening of the proposal. No bidder may withdraw his bid after the time announcement for the opening, on or before the award and execution of the contract, unless the award is delayed for a period exceeding one hundred ten days. No bid will be accepted from a contractor who has not been licensed in accordance with the provisions of Chapter 9, Division III of Business and Professions Code. For any moneys earned by the contractor and withheld by the City of Antioch to ensure the performance of the contract, the Contractor may, at his request and expense, substitute securities equivalent to the amount withheld in the form and manner and subject to the conditions provided in Chapter 13 (commencing with Section 4590), Division 5, Title 1 of the Government Code of the State of California. The special attention of prospective bidders is called to the Proposal Requirements and Conditions included in the General Provisions for full directions as to bidding, etc. The City of Antioch reserves the right to reject any and all bids or portions thereof; to accept a bid or portion thereof; to postpone making the award for a reasonable length of time; or to waive irregularities not affecting substantial rights