The Proposal Coordinator at The Middlesex Corporation plays a crucial role in the preparation and submission of proposal documents for construction projects. The process of overseeing and handling all the bids from start to finish in the pipeline of a construction firm is called bid management.20-0306 CONTENTS OF PROPOSAL FORMS BID DOCUMENTS. The Owner's proposal forms Bid Documents state the location and description of the proposed construction;. Documents for the lump sum amounts as submitted on the included Bid Proposal Form. 9. Discover how AIpowered construction bidding streamlines processes, saves time, and enhances accuracy for general contractors. Learn how to write a winning bid proposal for construction with our comprehensive guide. Includes ChatGPT prompt.