Dehumidifier for walk-in cooler

The Department of Agriculture Agricultural Research Service is requesting a quotation for a dehumidifier for a walk-in cooler, with quotations due September 25. The procurement is a Total Small Business set-aside. Amendment 0001 removed the installation requirement.

Place of performance is Columbia, Missouri (2305 Agronomy Research Drive, Columbia, MO 65203). The dehumidifier is required for seed storage at Rollins Farm and must be a non-cycling sorption-type unit with a single desiccant rotary structure, unitized welded aluminum casing, HoneyCombe desiccant wheel, factory-assembled components including reactivation heaters, roughing filters, motors, fans, automatic controller, and all required auxiliaries. The unit must be proven in satisfactory operation for a minimum of 10 years and comply with NFPA 255-ASTM E84 standards and ETL listing (UL Std 1995, CAN/CSA Std C22.2 No. 236). Required specifications include 208–230V/1/60 power connection, stepless solid-state proportioning reactivation energy modulation, full face contact pressure seals rated for up to 3 inches of water gauge, hinged access panels for maintenance, metal mesh inlet filters, 1/2-inch process inlet insulation, 5-inch and 4-inch diameter blast gate dampers, 5-inch round process inlet connection, and an electric wall-mounted humidistat. Quantity is one unit. Delivery is required within 60 days of award. Quoters must maintain firm pricing for 90 calendar days from the submission deadline. Evaluation uses lowest price technically acceptable criteria, assessing price, technical acceptability, and past performance. Only the lowest-priced quote is evaluated for technical acceptability; if it fails, evaluation proceeds sequentially to the next lowest-priced quote until a technically acceptable quote with acceptable or neutral past performance is identified. NAICS code is 334516, Analytical Laboratory Instrument Manufacturing; PSC code is 6640, Laboratory Equipment and Supplies.