California School District, acting by and through its Board of Education, hereinafter "the District" will receive up to, but not after the above-stated date and time, sealed Bid Proposals for the Contract for the Work of the Project generally described as: George Moscone Elementary School - Gym Wall and Roof Repairs, SFUSD Project Number 12349. 1. The Project. The Project is generally described as, but not limited to: a. Selective demolition including hazardous materials abatement b. Exterior wall repairs to address cracks and spalling c. Rough carpentry d. Roof replacement with TPO membranes e. Sheet metal fabrications f. Joint sealants g. Expansion joint cover assemblies h. Cement plastering i. Elastomeric coatings j. Gym wood floor repairs and refinishing Contractor's License Classification. In accordance with the provisions of California Public Contract Code 3300, the District requires that Bidders possess the following classification(s) of California Contractors License at the time that the Bid Proposals are opened: Class B, General Building Contractor with Asbestos and Lead Certification or Sub- Contractor with Asbestos and Lead Certification performing the work. Any Bidder not so duly and properly licensed shall be subject to all penalties imposed by law. Bid Security. Each Bid Proposal shall be accompanied by Bid Security in an amount not less than ten percent (10%) of the maximum amount of the Bid Proposal, inclusive of any additive Alternate Bid Item(s). Failure of any Bid Proposal to be accompanied by Bid Security in the form and in the amount required shall render such Bid Proposal to be non- responsive and rejected by the District. No Withdrawal of Bid Proposals. Bid Proposals shall not be withdrawn by any Bidder for a period of ninety (90) days after the opening of Bid Proposals. During this time, all Bidders shall guarantee prices quoted in their respective Bid Proposals. Waiver of Irregularities. The District reserves the right to reject any or all Bid Proposals or to waive any irregularities or informalities in any Bid Proposal or in the bidding. DVBE Participation Goal. The District has a Disabled Veteran Business Enterprise ("DVBE") Participation Goal Program ("the DVBE Program") which establishes a three percent (3%) Participation Goal for DVBEs. All Bidders are required by the District, pursuant to the DVBE Program, to submit DVBE Worksheets that confirm two (2) advertisements were published at least 14 days prior to bid opening.