The City's current and past bids, including all bid documents, questions and answers, addenda, and final results, are available on Biddingo. Proposer shall complete the information in the following table.Services: Pricing Basis, Price Submitted. Attachment 4: General. Certifications Form. The Bidder has submitted with this Bid Proposal the following: (a) Bid Security; (b) Proposed Subcontractors Form; (c) Non-Collusion. All contractors on the list will be notified via email as projects become available. Proposals must be made on a form obtained from the Berryessa Union School District.