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 the existing Takoma Aquatic Center roof, heating, ventilating and air conditioning (HVAC) systems, as well as mechanical upgrades for both the building and the indoor pool.