DESIGN-BUILD SERVICES FOR SHARPE HEALTH SCHOOL HVAC UPGRADES AND ROOF REPLACEMENT

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 the Sharpe Health School Heating, Ventilation, and Air Conditioning (“HVAC”) Upgrades and Roof Replacement, located at 4300 13th Street NW, Washington, DC 20011 (the “Project”).

The Department anticipates awarding a design-build contract (the “Agreement”, “Contract” or “Design-Build Agreement”) to the Offeror whose Proposal is most advantageous to the District pursuant to the evaluation and award criteria in Part 3 of this RFP. The Project includes full design and construction services for upgrades to the existing school while the school is occupied. The upgrades shall include HVAC replacement, new ceilings/lights, and roof replacement.

This Project shall consider the DC Building Energy Performance Standards (“BEPS”) program and the Carbon Free DC 2050 initiative. The goal of these programs is to make the District carbon-neutral by 2050. The net-zero emissions (“NZE”) requirement and the overarching quest toward electrification shall be factored into the design. The newly installed systems and accouterments are expected to be maintained and incorporated into the modernized building. It is anticipated that the HVAC systems in the modernized building will be a geothermal system utilizing a well field located at the adjacent athletic field. The systems designed under this Project should be designed to be converted to ground-source systems in the future.

The Department anticipates the construction portion of the Project to span over two or three summers. However, the Contractor shall anticipate that some work shall be performed during the school year while the building is occupied. As such, the Project shall be designed and scheduled to be implemented in phases based on spaces available to perform work, equipment availability, and task duration. Stop-gap measures will be required to improve occupant comfort, including installing controls on the existing hot water system to operate based on the outdoor temperature (outdoor temperature reset). The new HVAC systems should be hydronic with a central plant designed to accommodate a chiller, heat exchanger, well field manifold, pumps, etc., as required by the scope of the Project. Forced-air terminal units shall be ducted to architectural air devices and diffusers. Ventilation shall be provided by Dedicated Outdoor Air Systems (“DOAS”) specified with energy recovery and designed with ducted or plenum returns. Compliance with ASHRAE 62.1 shall be accomplished using the Indoor Air Quality Procedure (“IAQP”). The big-box spaces shall be served by dedicated, variable-volume ERUs and AHUs. In addition, conditioning of ancillary areas like restrooms, stairwells, and MDF/IDF rooms shall conform to DCPS standards .