Craft persuasive bid proposals for construction projects with this comprehensive guide. Explore key components, from project overview to pricing details.In this blog, we will teach you how to write an effective construction proposal that stands out from the competition. Construction contractors interested in performing construction contracts with the department must first complete the Vendor Registration process. Download and customize free printable proposal forms for your business needs. Create a detailed construction bid proposal to highlight your expertise and increase your chances of being selected for projects. What are Construction Services? The Department of General Services (the "Department" or "DGS") submits this Request for.