Administrative Contracts Service Center (3803R), Environmental Protection Agency, Ronald Reagan Building -- 7th Floor, 1300 Pennsylvania Avenue, N.W., Washington, DC 20460

N -- FURNISH, DELIVER & INSTALL ONE CUSTOM DESIGNED THREE COMPARTMENT WALK-IN HUMIDITY CHAMBER (WP08112-M) SOL VT0017 DUE 093098 POC carleton myers, contract specialist, 202-565-2561 E-MAIL: myers.carleton@epamail.epa.gov, myers.carleton@epamail.epa.gov. The U.S. EPA Science Center is soliciting quotes for the furnishing, delivery, and installation of one model WP08112-M Walk-In Environmental Room Chamber. The product must be in compliance with the following specifications: 1. PERFORMANCE (Based on ambient conditions of 21degrees C and 60%R.H.) Total internal heat and humidity loads: None. 1.1 Operating temperature will be minus 35 C to 40 C. (Future 4 C to 40 C). +/- 0.15 C control +/- 0.3 C uniformity 1.2 Operating humidity future. (See Attached Literature) +/- 3%R.H. uniformity. Uniformity specifications based upon empty chamber conditions 2. CONTROLS 2.1 Microprocessor-based P.I.D. controller with RTD sensor for temperature. Dual digital display for process temperature and set point (deg C or deg F). Auto-tuning feature. Controller includes a 3 year parts warranty. 2.2 Microprocessor-based P.I.D. controller with electronic dry type sensor for humidity. Dual digital display for process humidity andset point. Auto tuning feature. Controller includes3 yr. parts warranty. 2.3 High and low temperature limit system consisting of separate electronic controllers with audible & visual alarms on control panel. If a high limit condition occurs all heat producing devices will be terminated. If a low limit condition occurs, all cooling devices will be terminated. The controls will automatically reset when no longer in an alarm condition. 2.4 Honeywell DR-4200 chart recorder for temperature and humidity, microprocessor-based, fully configurable chart speed and ranges, 2 pen, 10" diameter chart. 2.5 Light switch, power switch, indicating power lights, and internal circuit breakers for controls, heaters, and lights. 2.6 100 CFM fresh air and exhaust system. 2.7 Shelving chrome plated, open wire, free standing racks. 24" deep x 6 tiers high x 10-1/2 Lin. ft./ side wall total 21 Lin. ft. 3. DIMENSIONS The following dimensions are close approximations only for purposes of this quotation and may be subject to minor changes. Exact dimensions will be detailed in the design approval drawings submitted after receipt of order prior to manufacturing. 3.1 Interior working space each compartment; 8'0-1/2"W x 10'10-1/2"D x 7'4"H 3.2 Exterior; 8'8-1/2"W x 12'6-1/2"D x 8'6"H Note: add 30" to the exterior height dimensions for top-mounted electrical components and installation clearance. 4. ROOM CONSTRUCTION 4.1 Modular foamed urethane panels for walls, ceiling and floor, 4" thick, with bonded aluminum skins on interior and exterior. Vapor seal at each seam. Interior: smooth aluminum finished in baked-on white polyester enamel. Exterior: embossed aluminum finished in baked-on white polyester enamel. 4.2 Floor surface shall be unfinished galvanized steel to support a distributed load of 500lbs./sq.ft. 4.3 Entrance door to provide minimum clear opening of 36" x 84" hinged at left with self-closing hardware, key lock, interior safety release, and 14"x 14" viewing window. 5. REFRIGERATION AND HANDLING 5.1 Rear wall plenum system consisting of centrifugal fans, evaporator coil, (for future Refrigeration System) heating coils, sensors, controls and all components necessary to achieve and maintain the desired conditions. 5.2 False ceiling air plenum system to provide temperature uniformity. 5.3 Modified humidity system supply and install all interior piping extended through chamber roof and caped off for future steam generator. 6. UTILITY REQUIREMENTS 6.1 Control circuits and lighting shall operate on 120/208 Volts, 1 phase, 60 Hertz, 3 wire service. 6.2 Compressors shall operate on 208 Volt, 1 phase, 60 Hertz, 2 wire service. 6.3 Floor drain or safewaste required at room location to remove condensate. (Connection to open air type drain by purchaser.) 6.4 Purified water will be required at room location for future humidification system. The resistivity of this water must be between 20,000 Ohms and 1,000,000 Ohms for proper operation of the humidification system. 7. LIGHTING 7.1 Florescent fixtures to provide approximately 70 foot candles @ 40" above floor @ 20 degrees C. Fluorescent lighting must be suitable for an extended temperature range of 4 to 40 degrees C. 8. FLOOR COVERING 8.1 Removeable vinyl laboratory grade 4 matting with narrow ribs to form a washable, non skid surface over the entire interior floor. 9. WARRANTY 9.1 One (1) year on parts and labor beginning 30 days after shipment or acceptance, whichever occurs first. For factory supervised installations, the warranty begins on the day after room is installed. 9.2 The rooms described herein will be completely assembled and tested prior to shipment. 10. INSTALLATION 10.1 This quotation includes complete erection, installation of ixtures and accessories, integral electrical wiring, connection of refrigeration components as well as all auxiliary systems supplied as part of this quotation. Service will alsoinclude start-up, field test, calibrate and instruct designated individuals in proper operation of the completed installation provided thereis no more than day delay in making final electrical and service connections by the purchaser. 10.2 Installation does not include any added costs which mkay be incurred through the use of trade union labor should local conditions mandate that such be required. 10.3 Contractor will not be responsible for cutting, patching necessary alterations to the existing building, or prevailing conditions which would impair the movement of material to site location or erection and operation of unit as designed. 10.4 Providing the necessary power and mechanical services with suitable safety disconnect devices to within 3 feet of site location shall be the responsibility of the purchaser. 10. Purchaser shall prepare the site for installation including the removal of any existing structural element, ducts, conduits, piping or materials which would interfere with this installation. Please submit your quote via fax to: U.S.EPA Attn: C.J. Myers (202)565-2561 or email at: myers.carleton@epamail.epa.gov -- or mail to U.S. EPA, Bid & Proposal Rm. 71187, 1300 Pennsylvainia Ave.,N.W., Washington, DC 20004, Attention: C.J. Myers. All responses are due by C.O.B., 3:00pm.,September 30, 1998. Posted 09/28/98 (W-SN255171). (0271)

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