Alves Lane Trail Crossing Improvements

General work description: The work to be done generally consists of installing sidewalk, curb ramps, solar-powered rectangular rapid flashing beacon (RRFB) system, and pedestrian push-buttons, a raised crosswalk across Alves Lane, and striping and pavement markings at the Delta de Anza trail crossing in the Bay Point area. Engineer's cost estimate: $198,000 Number of Working Days: 20 You are required to subcontract a minimum of 25% of your bid in accordance with the Mandatory Subcontracting Minimum requirements within these special provisions. This project is to be advertised pursuant to Public Contract Code 22037.This contract is subject to state contract nondiscrimination and compliance requirements pursuant to Government Code, Section 12990. The Contractor must possess a valid Class A, C-8 or C-10 License at the time the Contract is awarded. Prior to submitting a bid, the Contractor and subcontractors must be registered with the Department of Industrial Relations and qualified to perform public work pursuant to Labor Code section 1725.5, subject to limited legal exceptions under Labor Code section 1771.1. This contract will be subject to compliance monitoring and enforcement by the Department of Industrial Relations pursuant to Labor Code section 1771.4. Bids must cover the entire project, and neither partial nor contingent bids will be considered. The successful bidder must furnish a payment bond and a performance bond. Pursuant to Public Contract Code Sections 7201 and 9203, the Public Works Department will retain 5 percent of the contract price until final completion and acceptance of the project. Bidders are hereby notified that securities may be substituted for any monies withheld by the County of Contra Costa to ensure performance under the construction contract, in accordance with Public Contract Code Section 22300 and the General Conditions of the Contract. Such securities will be valued by the County Treasurer-Tax Collector, whose decision will be final. Also, types of securities which are not listed in Government Code Section 16430 or Public Contract Code Section 22300 must be approved as eligible for investment under Public Contract Code Section 22300 by the County Treasurer-Tax Collector before bid opening. Unless such securities are prequalified before bid opening, they will not be accepted by the County as security. The Board has ascertained the general prevailing rate of wages applicable to this work. The prevailing rate of per diem wages is on file with the Clerk of the Board of Supervisors, and is incorporated herein by reference thereto, the same as if set forth in full herein. For any classification not included in the list, the minimum wage will be the general prevailing rate for Contra Costa County. All bidder questions/inquiries received before 12:00 p.m. the Thursday prior to the scheduled bid opening will be posted with their responses on the Public Works Web Site. Questions received after this deadline will remain unanswered. The current planholders list can also be found at this website. The said Board reserves the right to reject any and all bids or any portion of any bid and/or waive any irregularity in any bid received. For questions regarding the project contact Kenny Nguyen, Design/Construction Division, at (925) 313-2110 or kenny.nguyen@pw.cccounty.us .

Division 31 -	Earthwork, Earthwork Methods.
Division 32 -	Exterior Improvements, Operation and Maintenance of Exterior Improvements, Bases, Ballasts, and Paving, Flexible Paving, Asphalt Paving, Rigid Paving, Concrete Paving, Curbs, Gutters, Sidewalks, and Driveways.
Division 34 -	Transportation, Operation and Maintenance of Transportation.