The vendor is required to complete and submit a VENDOR REGISTRATION FORM as shown in Attachment C of this policy in response to a County IFB, RFP, SOQ or RFQ. This Purchasing Manual is written to include the needs of a broad audience, including Bexar.County employees, officials, and suppliers. In this article, we're sharing insight into bidding on construction projects, giving you the tools you need to win construction bids and grow your business. 1. BID PROPOSAL FORM: Bidders shall use the bid proposal form included in the contract documents, which should be kept bound. All construction for City of San Antonio projects shall meet the requirements as set forth in this manual and details.