United States Air Force, Air Education and Training Command, Lackland AFB Contracting Squadron, 1655 Selfridge Avenue, Lackland AFB, TX, 78236-5253

41 -- AIR COOLED CHILLER SOL F41636-99-T0441 DUE 043099 POC Susan Arnold, Contract Specialist, Phone (210)671-1770, Fax (210)671-5064, Email Susan.Arnold@lackland.af.mil -- Edgar Ruffin, Contract Specialist, Phone (210)671-1738, Fax (210)671-3468, Email WEB: Visit this URL for the latest information about this, http://www.eps.gov/cgi-bin/WebObjects/EPS?ACode=P&;ProjID=F41636-99-T04 41&LocID=466. E-MAIL: Susan Arnold, Susan.Arnold@lackland.af.mil. This is a combined synopsis/solicitation for commercial items, prepared in accordance with the format in FAR subpart 12.6 as supplemented with additional information included in this notice. This announcement constitutes the only solicitation: proposals are being requested and a written solicitation will not be issued. This solicitation is issued as requests for quote (RFQ). Submit written quotes (no oral ones), on requisition F41636-99-T0441, to Fax number 210-671-5064. This procurement is restricted to small business. Project is the purchase of one (1) each Air Conditioner Chiller, Series R 300 ton package, Mfg: Trane, Model RTAA300 or equal. To include controls and unit-mounted variable-frequency drive chilled water pump, 125-foot multi-stranded power cables, and hoses all installed on a Government Furnished Equipment (GFE) trailer as required to meet this specification. In accordance with the following Statement of Work: Furnish one packaged air-cooled chiller complete with controls and unit-mounted variable-frequency drive chilled water pump, 125 foot multi-stranded power cables, and hoses all installed on a Government Furnished Equipment (GFE) trailer as required to meet this specification. Equipment shall be installed to allow transporting on public roadways with one-time permits. Equipment shall be delivered FOB Lackland AFB, TX, factory-assembled and factory-tested complete within 120 calendar days following contract award. Equipment ratings and performance shall be ARI-certified. Arrangements for and cost of shipping GFE trailer to/from factory shall be the successful contractor_s responsibility. Address for pickup and delivery is the Civil Engineering storage yard behind Bldg 5595, 1555 Gott Street. The chiller shall be a Trane or equal air-cooled Series R 300 ton or larger nominal Mo No RTAA300 equipped for 460 Volt/60 Hz/3 Phase 600A maximum service with across-the-line starter, single point main power connection, non-fused disconnect switch, control power transformer, 150 psi NEMA flow switch, two 115V 60HZ single phase power connections for control power and heat tape, minimum of three compressors, direct drive condenser fans, a stand-alone microprocessor controller with digital display, monitoring and diagnostic capabilities, accessories specified, and fully charged with HCFC-22 refrigerant and oil. The chiller shall have the ability to have maximum amps drawn limited over the operating range. There shall be a separate control power circuit so the crankcase heater can be on with the control panel off. The chiller shall have variable capacity modulation over the entire operating range, a unit performance rating not less than 9.2 EER at full load, and be capable of starting and operating down to 0o F ambient. Suction and discharge pressure gauges with pressure range and rating compatible with chiller shall be provided installed in appropriate places. A valved wye connection shall be provided to bypass the unit chilled water pump to allow use of facility system pump when necessary. Water inlet andoutlet connections shall be made accessible to mechanics at rear trailer side. Inlet and outlet shall have hose bibb taps for make-up and utility water connections. Chiller shall be assembled on heavy gauge steel base and shall be weatherproofed. It shall be constructed of 12-gauge minimum galvanized steel frame with galvanized steel panels and hinged access doors, which allow access to major components and controls. The unit, panels and base shall be treated and finished with enamel rated for exterior metal applications. Unit dimensions shall be such as to be completely installed on GFE. Unit shall have louvered galvanized and painted steel panels covering all otherwise open areas to provide protection from exterior damage to coil surface and other unit components. Unit shall be set on GFE trailer such as to allow ventilation of trailer bed for natural air-drying. The evaporator shall be tube-in-shell one water pass design with seamless internally finned copper tubes, roller-expanded into tube sheets, and internal baffles. It shall have minimum ASME-rated working pressure of 300 psig refrigerant-side and 200-psig waterside. Each shell shall include drain and vent connections, fittings for temperature control sensors, and insulation rated to K = 0.26. The evaporator shall be protected to -20o F ambient with thermostatically controlled heat tape. Air-cooled condenser coils shall have aluminum fins mechanically bonded to seamless copper tubing and integral subcooling circuits. Condensers shall be factory proof and leak tested at 500-psig minimum. Direct-drive vertical discharge condenser fans shall be statically and dynamically balanced. Condenser fan motors shall have permanently lubricated ball bearings and three-phase thermal overload protection. The chiller shall have a minimum dual refrigerant circuit with three. Compressors and shall be semi-hermetic rotary screw type with hardened steel rotors, minimum major moving parts, direct-drive suction gas cooled hermetic motor, differential refrigerant pressure oil pump and oil heater, compressor discharge and lube oil system check valves, and lube system solenoid valve. Each circuit shall include electronic expansion valves, compressor suction and discharge service valves, filter drier and liquid line sightglass with moisture indicator, liquid line shutoff valve, and charging valve. The standard leaving chilled water temperature range shall be 40o F to 50o F. Flanged chilled water supply and return hose assemblies shall be provided in size 6 inch ID by 100 feet long each with 125 lb rated flanges. The hose shall be Goodyear Spiraflex 2700 or equal flame-resistant hose rated for 150 psi working pressure. Power cables for 460V service shall be welder_s cable type with extra flexible wire size 600MCM AWG, or larger as required, copper only, shall be 125 ft long. There will be one cable per phase and one 50-ft long grounding cable. Cable end connectors shall not be furnished. Cable for 115V power shall be 50 ft long with a standard three-prong connector on one end and rated for exterior use. Microcomputer controls shall provide all control functions including startup and shutdown, scheduling, leaving chilled water temperature control, modulation control, condenser fan sequencing, lead/lag compressor starting and load limiting, and anti-recycle functions. Failure protection shall include loss of chilled water flow, evaporator freezing, compressor start/run overcurrent, phase loss/imbalance/reversal, loss of charge, high motor winding temperature, high refrigerant discharge temperature, loss of oil flow and high/low refrigerant pressure. All unit controls shall be in weathertight enclosures. The microcomputer controller shall include a display and input device required for modifying and monitoring all controllable parameters. The device shall be menu-driven and indicate operating data points. Diagnostic checks made upon detection of problems shall be displayed. System controls shall be made as accessible as possible to operating personnel. Supplier shall provide factory startup,full systems operating checkout, and owner/user operations and maintenance training. Control drawings in laminated form and equipment manuals for system operating, troubleshooting and parts breakdown shall be provided. The installed system including variable frequency chilled water pump, hoses and power cables but exclusive of GFE shall have a one-year standard factory warranty and the compressors shall have a standard five-year manufacturers replacement warranty. The GFE trailer is a Gooseneck Semi-Trailer Low-bed 8-ft wide X 40-ft long dual-axle rated for 20 ton distributed load. This solicitation document incorporates provisions and clauses that are in effect through Federal Acquisition Circular 97-11. Standard Industrial Code (SIC) is 3585. Size standard to meet small business requirement is 750. For delivery FOB Destination to Lackland AFB TX 78236, within 120 calendar days of award. Note that the provisions at FAR 52.212-1, Instructions to Offerors _ Commercial Terms, applies to this acquisition. And the clause at FAR 52.212-5, Contract Terms and Conditions Required to Implement Statutes or Executive Orders _ Commercial Items, applies to this solicitation. Specifically the following clauses cited are applicable: FAR 52.222-26, Equal Opportunity; FAR 52.222-35, Affirmative Action for Special Disabled and Vietnam Era Veterans; FAR 52.222-36 Affirmative Action for Handicapped Workers; and FAR 52.245-1 Property Records. The clause at DFARS 252-212-7001, Contract Terms and Conditions required to implement Statues or Executive Orders applicable to Defense Acquisition of Commercial Items, applies to this solicitation. Specifically the following clauses cited are also applicable: DFARS 252-225-7001, Buy American Act and Balance of Payment Program. Offers must include with their offer a completed copy of the provisions at FAR .212-3, Offeror Representations and Certifications_Commercial Items, and DFARS 252.212-7000, Offerors Representations and Certifications_Commercial Items. Also applicable is DFARS 252.204-7004Required Central Contractor Registration (CCR). CCR can be obtained by calling 1-888-227-2423 or via Internet at http://ccr.edi.disa.mil CCR number must be obtained before award can be made. Award will be based on evaluation of technically acceptable, low price, responsible offer. Send quote in writing (no oral quote) to the point of contact indicated above. Quote is required to be submitted no later than 2:00 P.M. (CST), 30 April 1999, and acceptance must be good for 60 days. Award is anticipated in May 1999. Quote must identify brand name, model/part number of items offered. All responsible sources that are small business may submit quotes, which if timely received will be considered by this agency. Posted 04/13/99 (D-SN319623). (0103)

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