The Bid Proposal Form template is available for free. There are no charges for using this template to gather and evaluate proposals from potential contractors.Sample Advertisement for Bids ; C-2. Your construction bid should be formatted formally. When an invitation to bid is issued, your firm would be contacted electronically. Prospective vendors are also welcome to visit our procurement department. ITEM: Formal Invitation to Bid. TITLE: PP-1345, Street Opening Repairs Price Agreement.