You must submit a completed Bid Proposal (Bid Form A-1, Page 15) and a completed Bid Bond with your Bid. To ensure compliance with Bid requirements, the Bidder should follow the format and content instructions in the RFP, Section IX, Proposal Format and. Content.Learn how to write a winning bid proposal for construction projects. Contractor certification forms and instructions for completing the forms are attached to this bid. Use this general contractor construction bid template to create a detailed construction bid proposal. Complete and sign online with PandaDoc.