U.S. Department of Energy, Nevada Operations Office, P.O. Box 98518, Las Vegas, NV 89193-8518

J -- PROVIDE MAINTENANCE & INSPECTION PROGRAM FOR THE SCREW COMPRESSOR SYSTEM SOL DE-RQ08-00NV13811 DUE 033100 POC Diane Rodriguez, Purchasing Agent, (702) 295-1080; Beverly Colbert, Contracting Officer, (702) 295-1466 WEB: click here to access referenced documents, http://www.nv.doe.gov/business/procurement/solicit.htm. E-MAIL: click here to contact the Purchasing Agent, rodriguez@nv.doe.gov. This is Modification Number 2 to original notice published on January 21, 2000, Submission Number 417597 and Modification Number 1 published on January 25, 2000, Submission Number 418837. This modification is issued to replace items(vi) and (viii) of the original notice with the following new items (vi) and (viii). (vi) Following is the statement of work (SOW) for preventative maintenance: The vendor shall perform preventative maintenance and repairs for three (3) York rotary screw water chillers, three (3) York ISN-FDC Control Systems located at the NSF central plan beginning June 1, 2000, and continuing through May 31, 2001. The vendor will provide a complete program of preventative maintenance on three York rotary screw water chillers, model number YSCACAS2-CFB, rated at 200 tons and three York solid state motor starters, model number 7L (solid state). The equipment is to be maintained in good working order, and all preventative maintenance tasks shall be performed by factory-trained technicians or technicians trained on the equipment of the equivalent type and size in accordance with the guidelines issued by York engineering for the model(s) specified. The preventative maintenance program must meet the manufacturer's requirements to properly maintain and service the equipment and will consist of (1) a minimum of five [5] operating inspections which include inspection of chillers and adjusting safety controls, checking operation of controls, checking oil and refrigerant levels, checking operation of lube systems, checking oil return system, checking operation of motor and starter, recording operating conditions, checking log and reviewing chiller and system operation with operator, conducting routine maintenance as recommended and required, logging and reporting repairs and parts that are required; (2) an annual shut down to evaluate equipment status which includes [a] checking the compressor motor assembly for recording voltages, meging and recording motor winding resistance, lubricating open motor, checking the alignment of open drive, checking the coupling, checking the seals, checking the operation and calibration of the slide valve, [b] checking the compressor oil system for analysis on oil at independent laboratory, changing oil filter and dryer, checking oil pump, seal and motor, cleaning the dirt leg, checking heater and thermostat, checking all other oil system components including cooler, strainer and solenoid valve where applicable; [c] checking the motor starter, running diagnostic checks, cleaning contacts or recommending replacement, check linkage, meging motor, checking all terminals and tightening connections, changing coolant, checking and calibrating overloads, dry running starter, check status lights;[d] review control panel through diagnostic check of Micro Control Panel, safety shut down operation, terminals and tightening connections, display accuracy and set points;[e] check condenser, water cleaning condenser water tubes;[f] check cooler, water flow, flow switch operation, check refrigerant level; [g] check system for leaks, identify leak sources for repairs, add refrigerant as required (10% maximum included), record condition of sight glasses, check refrigerant cycle to verify proper operating balance, check condenser water and chilled water heat transfer; [h] repair insulation removed for inspection and maintenance procedures, clean equipment and surrounding area upon completion of work, consult with operator, report deficiencies and repairs required; (3) remove condenser end bells and brush clean condenser tubes; (4) an oil analysis for each unit; (5) oil and oil fulter changes as required;(6) fine tuning and adjustment for optimum operation; (7) operator training; and (8) provide 24 hour, 7 days a week emergency response as needed. When performing Item (5), should refrigerant charge be removed, stored or recharged, the vendor shall provide storage and recycling equipment and perform these activities with technicians who have been trained and certified. All disposal of used oil and filters will be done by the vendor per EPA guidelines and written confirmation will be provided to DOE/NV. The vendor shall provide a written report of findings, corrective actions, and recommendations following each visit. The NSF is a secured facility and requires a DOE/NV sign-in and/or escort for any work to be done. Coordination w/point of contact (POC) is required prior to arrival to perform work to avoid delays in gaining access to the NSF. If access is denied due to failure to coordinate arrival w/POC, the Gov't won't be liable for the costs of that trip. (viii) PAR provision 52.212-1, Instructions to Offerors-Comc'l Items, applies and the following addenda: para (bz)(4) In addressing technical portionof RFQ, offeror must provide their plan to accomplish work, shcedule, labor plan, training certificates, customer references and demonstrated maintenance on equivalent systems. (b)(11) An SF-1449 is to be completed and signed (3 copies) and returned with offer. All other item numbers (i)- (v),(vii) and (ix) remain the same as noted in the original announcement. Quotes are due March 31, 2000, at 4:30 pm PST, at 232 Energy Way, N. Las Vegas, NV 89030, for handcarried or courier delivered packages; or P.O. Box 98518, Las Vegas, NV 89193-8518, for USPS, to the attention of Diane Rodriguez. Posted 03/08/00 (W-SN432556). (0068)

Loren Data Corp. http://www.ld.com (SYN# 0058 20000310\J-0008.SOL)