Check out our construction project proposal template selection for the very best in unique or custom, handmade pieces from our templates shops. Any subcontracting must be specified in the Proposal.Check out our construction proposal template selection for the very best in unique or custom, handmade pieces from our templates shops. Step 1: Fill out the form. Simply put, an RFP is a document that thoroughly outlines the project at hand, and what is needed out of contractors and vendors to complete it.