Current Virginia Department of Transportation requests for proposals (RFP) for the divisions are listed below. The scope of services under this RFP primarily includes Construction Management services for the Project.This Section is provided for information only and the County reserves the right to modify these requirements in the Request for Proposal (RFP). Design-Build Request for Proposals. The current requests for proposals (RFPs) are below with a short description and the due date. The intent of this Request for Proposal (RFP) is for the County of Loudoun, Virginia. A public body may require bid, payment, or performance bonds for contracts for goods or services if provided in the Invitation to Bid or Request for Proposal.