This is a request for quotation to provide one commercial/industrial outdoor packaged Dedicated Outdoor Air System (DOAS) rooftop unit with specific features, including steam heating, DX cooling, and hot gas reheat coils. The unit must be factory-assembled, suitable for outdoor rooftop installation, and excludes installation, rigging, controls integration, and electrical work by the offeror. Quotations must include pricing, estimated lead time, country of origin, and supporting documentation to substantiate the proposed cost. The equipment is to be shipped to Brookhaven National Lab in Upton, NY. There is no specified budget or performance timeline beyond the requested lead time estimate.