Below is a list of forms and information that may be required to complete a Request for Proposal Response. Need a construction proposal template for your business?Here is a free sample construction proposal that you can use right away. Your construction proposal template should include essential details such as the project's name, location, the client's name, and contact information. Submit a letter of introduction and executive summary of the proposal. This document serves as a comprehensive construction proposal template, featuring essential fields for client and company details.