DDC uses open Requests for Proposals (RFP) for most of our design and construction management contracts. RFPs are open to all interested firms.Proposals should be submitted in a sealed opaque envelope and clearly marked. 5970 Clemons Rd. East Syracuse, NY 13057. Request for Proposal: Construction Management Services. To download a specific Request for Proposal (RFP) or other solicitation, please click on the relevant Comptroller's Office's bureau tab below and then fill out Responding firms must have a minimum of five years of experience providing professional construction management services as described in the RFP. 2. This guide will break down what an RFP is and what it's used for and some dos and don'ts on how to improve your RFP acceptance rate.