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 an addition at Ludlow Taylor Elementary School (“Ludlow ES”) located at 659 G Street NE, Washington, DC