The District of Columbia ("District") Department of General Services (the "Department" or "DGS") is issuing this Request for Proposals ("RFP") to solicit design-build proposals ("Proposal(s)") from offerors ("Offeror(s)") interested in serving as the design-builder ("Design-Builder") for the renovation of John. Ross Elementary School ("Ross ES"), which is located at 1730 R Street in the Northwest quadrant of Washington DC (the "Project").