The District of Columbia (“District”) Department of General Services (the “Department” or “DGS”), on behalf of District of Columbia Public Schools (“DCPS”), 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 (the “Design-Builder” or the “Contractor”) for a modernization at Martin Luther King Jr. Elementary School (“MLK ES”) located at 3200 6th Street SE, Washington, DC 20032 (the “Project”).