SPECIAL NOTICE
J -- TRANE Mechanical Service
- Notice Date
- 11/9/2021 7:31:46 AM
- Notice Type
- Special Notice
- NAICS
- 238220
— Plumbing, Heating, and Air-Conditioning Contractors
- Contracting Office
- 241-NETWORK CONTRACT OFFICE 01 (36C241) TOGUS ME 04330 USA
- ZIP Code
- 04330
- Solicitation Number
- 36C24122Q0080
- Archive Date
- 01/08/2022
- Point of Contact
- Issa Shawki, Contracting Officer, Phone: 774-826-3192
- E-Mail Address
-
issa.shawki@va.gov
(issa.shawki@va.gov)
- Awardee
- null
- Description
- Page 3 of 58 The Department of Veterans Affairs, Networking Contracting Office (NCO 01) located in Brockton, MA intends to enter into a sole source procurement, pursuant to the authority of FAR 6.302-1, with TRANE, for the following requirement: PERFORMANCE WORK STATEMENT EQUIPMENT See Attachment A. SCOPE OF WORK The Contractor shall provide all supervision, personnel, material, parts, equipment, supplies, labor and transportation in performing basic preventive maintenance on the chiller systems, Ensemble controls and equipment as listed in Attachment A and located at the Department of Veterans Affairs Medical Center, 1400 VFW Parkway, West Roxbury, MA 02132 in accordance with all terms and conditions of this task order and accepted quotation. Period of Performance: Base year plus four option years. The option(s) may or may not be exercised. Place of Performance: 1400 VFW Parkway, West Roxbury, MA 02132 DEFINITIONS/ACRONYMS Contract Discrepancy Report (CDR) : A report that the Government shall complete and issue to the Contractor when service is unsatisfactory and not in compliance with the terms and conditions of the contract. The Contractor is required to complete and return this form to the COR whenever performance is unsatisfactory. The CDR requires the Contractor to explain, in writing, the cause of the unsatisfactory performance, how performance will be returned to acceptable standards, and how reoccurrence of the problem will be prevented in the future. Contracting Officer (CO): The individual with the authority to enter into, administer, and/or terminate contracts. The CO is the exclusive Government official authorized to execute changes and deviations or variations in the contract. Contracting Officer's Technical Representative (COTR) : A Government representative, designated in writing by the Contracting Officer, to be responsible for quality assurance, inspection, surveillance, documentation and acceptance of the Contractor's performance. A copy of the letter of designation will be provided to the Contractor. Preventive Maintenance (PM): Services which are periodic in nature and are required to maintain the equipment in such condition that it may be operated in accordance with its intended design and functional capacity with minimal incidence of malfunction or inoperative conditions. Page 5 of 58 To clean, lubricate, calibrate, and test the equipment and/or instrument to the operating condition defined in the manufacturer s specifications. Repair Cost Estimate: The Contractors estimated cost (for parts, labor and freight) to repair a system according to manufactures' specifications and requirements. These repairs are covered under Emergency Service and repairs outside of routine maintenance. Time: When hours are given it shall mean clock hours exclusive of Saturdays, Sundays and Holidays unless otherwise specified (i.e., 1:00 P.M. Monday to 1:00 P.M. Tuesday equals 24 hours; 12:00 P.M. Friday to 12:00 P.M. Monday equals 24 hours). If days are indicated it shall mean calendar days including Saturdays, Sundays and Holidays. Rework. The Contractor is required to correct and/or re-work any PM services due to unsatisfactory performance or nonperformance in accordance with the stated quality and level of effort in the PWS and final contract. Rework is performed at no additional cost to the Government. ESR. Vendor Engineering Service Report. A documentation of services rendered for each incidence of work performance under the terms and conditions of the contract. Acronyms. Commonly used acronyms are listed below FSE: Field Service Engineer AQL: Acceptable Quality Level IAW: In Accordance With QA: Quality Assurance QC: Quality Control WS: Performance Work Statement VA: VA Medical Center CO: Contracting Officer COTR:Contracting Officer s Technical Representative FES: Facilities and Engineering Service PREVENTIVE MAINTENANCE REQUIREMENTS Within 14 calendar days of Notice to Proceed, the vendor will submit to the COTR a written schedule of the planned PM visits for the coming year along with a written Page 7 of 58 description of the work to be performed during each visit. Refer to paragraph IV.B. below for schedule and inspection requirements. The following is the scope of services to be performed on Covered Equipment. Items marked with an X are included in this contract. Services Included Cooling Seasonal Service Services Included Heating Seasonal Service X Seasonal Start-up Seasonal Start-up X Operating Inspections Qty Operating Inspections Qty X System Shutdown System Shutdown X Annual Seasonal Maintenance Annual Seasonal Maintenance Services Included Labor and Materials for Covered Equipment X Scheduled Maintenance Labor X Scheduled Maintenance Parts and Materials X Repair Labor: Repairs will be performed on covered equipment during Trane regular business hours Select Agreement Repair Parts and Materials Select Agreement X Overtime Repair Labor for Emergency Failures (outside Trane regular business X Refrigerant Monitor Inspection. Testing and Calibration once per year Refrigerant Replacement 0% of Charge per unit per year X Refrigerant Usage Reporting Other Services Included Predictive Testing and Analysis for Covered Equipment Chiller(s) Only X Spectrographic Oil Analysis Trending oil analysis provides insight into potential X Refrigerant Analysis Provides early warning of internal failure X KestrelView Analysis Requires Trane laptop and Trane software X Oil Removal and Disposal by Trane in accordance with EPA Guidelines X Oil Change Services Included Additional Services X Air Cooled Condenser Coil Cleaning once per year X Clean Cooling Tower(s) once per year X Condenser Tube Cleaning & Evap Tube Cleaning once per year Page 10 of 58 X Starter Maintenance 600 volt volt starter X Eddy Current Test of tubes every 2 years X Chiller Overhaul every 5 years Other Equipment Maintenance Procedures: TRANE CENTRIFUGAL CHILLERS (Low Pressure Units) COMPREHENSIVE ANNUAL INSPECTION SERVICE TRANE CTV-512 Report in with the COTR and sign log with name, date and time. Record and report abnormal conditions, measurements taken, etc. Review customer logs with the customer for operational problems and trends. General Assembly Inspect for leaks and report leak check results to the customer. Provide reports at the end of each visit. Repair minor leaks as required (e.g. valve packing, flare nuts). Provide reports at the end of each visit. Calculate refrigerant loss rate and report to COR. Provide report at end of each visit. Replace the filter / drier on the motor cooling line, in accordance with mfg specifications. Test the security of mounting points; tighten all major points. Controls and Safeties Inspect control panel for cleanliness. Inspect wiring and connections for tightness and signs of overheating and discoloration. Verify the working condition of all indicator/alarm lights. Verify the operation of all timing devices. Verify the operation of the oil temperature thermostat. Calibrate and record setting and provide report to COR. Verify the operation of the low oil temperature safety device. Calibrate and record setting. Test the high discharge pressure safety device. Calibrate and record setting. Test the high suction temperature switch. Calibrate and record setting. Test the high discharge temperature safety device. Calibrate and record setting. Test the low suction pressure safety device. Calibrate and record setting. Test the low pressure override switch. Calibrate and record setting. Test the low leaving water temperature control device. Calibrate and record setting. Lubrication System Pull oil sample for spectroscopic analysis. Change oil Test oil for acid content and discoloration. Make recommendations to the COTR based on the results of the test. Inspect oil pump motor terminals for tightness and signs of overheating and discoloration. Measure and record oil pump motor voltage and amperage. Verify the operation of the oil heater. Measure amps and compare reading with the watt rating of the heater. Motor and Starter Clean the starter and cabinet. Inspect the wires and starter components for tightness and signs of overheating and discoloration. Verify the operation of the transition/system timer. Check the condition of the contacts for wear and pitting. Check the contactors for free and smooth operation. Check the mechanical linkages for wear, security, and clearances. Verify the operation of the electrical interlocks. Check the dash pots oil for level, rust, and/or moisture. Meg the motor and record readings. Check the motor terminals for cracks and/or leaks. Measure voltage and record reading. Voltage should be nominal voltage ±10%. STARTUP / CHECKOUT PROCEDURE CTV-520 Verify the operation of the oil heater and that the oil temperature is at least 110°F before starting the chiller. Verify full water systems, including the cooling tower, the condenser and the evaporator. Verify clean cooling tower and strainers. Start the condenser water pump, chilled water pump, and cooling tower fan(s). Page 12 of 58 Verify flow rates through the condenser and the evaporator. Test all flow-proving devices on the chilled water and condenser water circuits. Start the chiller. Verify the starter operation. Verify the operation of all timing devices. Check the load limit relay for set point, hunting, and unloading capability. Check the mechanical limits on both vane arms. Verify smooth movement of vane arms. Check the set point and sensitivity of the chilled water temperature control device. Verify the operation. Verify the operation of the condenser water temperature control device. Verify the motor cooling operation. Shut down the chiller. Check the oil and refrigerant levels, if levels are low provide leak rate calculation report to COR. (If the refrigerant charge needs correction, the refrigerant, and the labor to install it, are not included.) Re-start chiller and log the operating conditions after the system has stabilized. Review operating procedures with operating personnel. Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected. MID-SEASON RUNNING INSPECTION CTV-530 Check the general operation of the unit. Log the operating temperatures, pressures, voltages, and amperages. Check the operation of the purge unit. Check the operation of the control circuit. Check the operation of the lubrication system. Check the operation of the motor and starter. Analyze the recorded data. Compare the data to the original design conditions. Review operating procedures with COTR. Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected. Page 14 of 58 SEASONAL SHUT-DOWN PROCEDURE CTV-550 Check the general operation of the unit. Shut down the chiller, pumps and auxiliary equipment. Drain the condenser and chilled water piping. Turn off equipment power as necessary. Review operating procedures with COTR. Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected. CONDENSER CLEANING WATER-COOLED CONDENSERS BRUSH TUBES (600 Tubes/Day) CDS-210 Pull easy end head, both ends Brush tubes. NOTE: The term easy end head refers to the head which has no piping attached to it. In the case of 1-pass or 3-pass vessels, there will be no easy end head, and extra time must be allotted to the job for the removal of the piping. An exception to this would be the unit s having marine boxes. LUBRICATION SYSTEMS CHANGE OIL AND FILTER OIL-130 Change the oil and filter, using factory-recommended oil and filter every year. COOLING TOWERS, GEAR DRIVE COMPREHENSIVE ANNUAL INSPECTION CLT-210 Report in with the COTR. Record and report abnormal conditions, measurements taken, etc. Review customer logs with the customer for operational problems and trends. General Assembly STRUCTURE Disassemble all screens and access panels for inspection. Inspect the conditions of the slats. Inspect the condition of the tower fill. Inspect the condition of the support structure. Inspect the condition of the basins (upper and lower), spray nozzles, and olson pan. Make necessary repairs to basins and replace nozzles if any issues. Page 16 of 58 Verify clean basins and strainer(s). Verify the condition and operation of the basin fill valve system. Fill basin MECHANICAL Inspect gear box for leaks. Inspect drive and coupling for condition and security Inspect fan assembly for condition, security, and clearances (e.g. blade tip clearance). Lubrication Lubricate motor bearings. Check gear box oil level. Motor and Starter Clean the starter and cabinet. Inspect wiring and connections for tightness and signs of overheating and discoloration. Check condition of the contacts for wear and pitting. Check contactor(s) for free and smooth operation. Meg the motor and record reading. Check disconnect terminal block for wear, tightness and signs of overheating and discoloration. Check the condition and operation of the basin heater contactor(s). STARTUP / CHECKOUT PROCEDURE CLT-220 Fill the basin and verify float level. Verify the operation of the basin heaters. Verify the operation, set point, and sensitivity of the basin heater temperature control device. Start the condenser water pumps. Verify the balance of the return water through the distribution boxes. Verify proper operation of the bypass valve(s), if applicable. Operate the fan(s) and verify smooth operation. Log operation after the system has stabilized. Review operating procedures with COTR. Page 18 of 58 Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected. MID-SEASON RUNNING INSPECTION CLT-230 Check the general condition of the tower. Verify clean basins and strainers (upper and lower) and/or spray nozzles. Note, Building 20 strainer cleaning required for mid-season inspection. Verify proper water level in the basin. Verify proper operation of the water level control device. Verify smooth operation of the fan(s). Verify proper operation of the bypass valve(s). Review operating procedures with COTR. Provide a written report of completed work, operating log, and indicate uncorrected deficiencies detected. DIRECT DRIVE PUMPS ANNUAL INSPECTION PMP-110 Report in with the COTR Record and report abnormal conditions, measurements taken, etc. Review customer logs with the customer for operational problems and trends. General Assembly Check motor shaft and pump shaft for alignment. Inspect the coupling for wear. Verify that the shaft guard is in place and tight. Verify water flow through the pump. Check for leaks on the mechanical pump seals. Verify proper drip rate on the pump seal packing. Verify smooth operation of the pump. Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected. Lubrication Lubricate the motor bearings as necessary. Lubricate the pump bearings as necessary. Page 20 of 58 Motor and Starter Clean the starter and cabinet. Inspect wiring and connections for tightness and signs of overheating and discoloration. Meg the motor. Verify tight connections on the motor terminals. Check the condition of the contacts for wear and pitting. Check the contactors for free and smooth operation. Verify proper volts and amps. PUMP RUN INSPECTION PMP-111 Verify smooth operation of the pump. Check for leaks on the mechanical pump seals. Verify proper drip rate on the pump seal packing. Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected. VARIABLE FREQUENCY DRIVES MAINTENANCE PROCEDURE MSC-130 Report in with the COTR. Record and report abnormal conditions, measurements taken, etc. Review customer logs with the customer for operational problems and trends. Clean the heat sinks. Inspect wiring and connections for tightness and signs of overheating and discoloration. Visually inspect panel for loose or damaged parts or wiring; also check for any accumulation of dirt and/or moisture. Verify proper operation of the unit. Verify proper DC buss voltage. TRANE CENTRIFUGAL CHILLERS W-C (CVHE/F Style Units) COMPREHENSIVE ANNUAL INSPECTION SERVICE ELECTRONIC CTV-210 Report in with the Customer Representative. Record and report abnormal conditions, measurements taken, etc. Page 22 of 58 Review customer logs with customer for operational problems and trends. General Assembly Check and record refrigerant level. Inspect for leaks and report leak results (yearly). The refrigerant should be correct before starting the leak check. To prevent unnecessary venting of refrigerant, EPA-recommended methods (e.g. hot water and/or electric blankets) must be used to pressurize the vessels. In order to use EPA-recommended methods, certain conditions must be met: The isolation valves on the chilled water and condenser water lines must shut off the circulation completely. The temperature of the equipment room should be 70°F or higher. Access connections to the condenser water and chilled water circuits must be provided (customer s responsibility). If these conditions cannot be met, the refrigerant must be removed and the vessel pressurized, using dry nitrogen and a trace gas. This additional procedure is within the scope of this agreement. Calculate refrigerant loss and report to the COTR. Repair minor leaks as required (e.g., valve packing, flare nuts). Visually inspect condenser tubes for cleanliness. Check internal vanes for free and smooth operation. Check mechanical linkages for wear. Purge Check purge unit controls for proper operation. Check and clean purge drum as required. Clean the condenser coil. Clean strainers or replace filters as required. Check the purge compressor assembly for leaks as required. Check the purge unit for proper operation. Controls and Safeties Verify all settings in the electronic control panel. Inspect the control panel for cleanliness. Page 24 of 58 Inspect wiring and connections for tightness and signs for overheating and discoloration. Verify the operation of the vane control system: Verify the working condition of all indicator/alarm lights and LED/LCD displays. Verify the operation of the oil sump temperature control device. Test high condenser pressure safety device. Calibrate and record setting. Test low evaporator temperature safety device. Calibrate and record setting. Test low oil pressure safety device. Calibrate and record setting. Test high motor temperature safety device. Calibrate and record. Test operation of chilled water pump and condenser water pump starter auxiliary contacts. Lubrication System Pull oil sample for spectroscopic analysis. Check oil for acid content and discoloration. Make recommendations to the customer based on the results of the test. Measure and record the oil pump voltage and amperage. Verify the operation of the oil heater. Measure amps and compare readings with the watt rating of the heater. Change the oil and oil filter. Verify the oil level. Motor and Starter Clean the starter and cabinet. Inspect wiring and connections for tightness and signs of overheating and discoloration. Check condition of the contacts for wear and pitting. Check contactors for free and smooth operation. Check the mechanical linkages for wear, security, and clearances. Check tightness of the motor terminal connections. Meg the motor and record reading. Verify the operation of the electrical interlocks. STARTUP / CHECKOUT PROCEDURE CTV-220 Page 26 of 58 Verify the operation of the oil heater and that the oil temperature is at least 110°F before starting the chiller. Verify full water systems, including the cooling tower, condenser and evaporator. Verify clean cooling tower and strainers. Start the condenser water pump, chilled water pump, and cooling tower fan(s). Test all flow-proving devices on the chilled water and condenser water circuits Verify the flow rates through the condenser and the evaporator. Start the chiller. Verify the operation of all timing devices. Verify the operation of the current control device. Check the set point and sensitivity of the chilled water temperature control device. Verify the operation. Verify the operation of the condenser water temperature control device. Check the mechanical limits of both vane arms. Verify smooth movement of vane arms through the full range of operation. Check the starter operation. Verify the motor cooling operation. Check the purge operation. Shut down the chiller. Check the oil and refrigerant levels, provide leak rate calculation report if levels are low. Re-start the chiller and log the operating conditions after the system has stabilized. Review operating procedures with the operating personnel. Provide a written report of completed work, operating log, and indicate any deficiencies detected. MID-SEASON RUNNING INSPECTION CTV-230 Check the general operation of the unit. Log the operating temperatures, pressures, voltages, and amperages. Check the operation of the purge unit. Check the operation of the control circuit. Page 28 of 58 Check the operation of the lubrication system. Check the operation of the motor and starter. Analyze the recorded data. Compare the data to the original design conditions. Review operating procedures with operating personnel. Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected. SEASONAL SHUT-DOWN PROCEDURE CTV-250 Check the general operation of the unit. Shut down the chiller, pumps, and auxiliary equipment. Drain the condenser and chilled water piping as required. Turn off equipment power as necessary. Review operating procedures with operating personnel. Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected. Air-Cooled Rotary Chillers ACR-1 Review operation logs with COTR for any problems and trends. Check and record refrigerant level, provide leak rate calculation report if levels are low. Inspect for leaks, conduct leak check using EPA-recommended methods, and report leak results. Calculate refrigerant loss. Repair all minor leaks as required such as valve packing, flare nuts, etc. Visually inspect condenser coil for cleanliness. Check the condenser fans for clearances and free operation. Check tightness of condenser fan motor mounting brackets. Check the set screws on the fan shafts. Verify the performance of the fan control inverter VFD. Grease fan bearings as required. Annually, clean the condenser coil. Verify all settings in the electronic control panel. Page 30 of 58 Inspect the control panel for cleanliness. Inspect controls and safety wiring and connections for tightness and signs of overheating and discoloration. Verify the working condition of all indicator/alarm lights and LED/LCD displays. Replace lights as required. Test the oil pressure safety device. Calibrate and record setting. Test high motor temperature safety device. Calibrate and record setting. Test operation of chilled water pump and condenser water pump starter auxiliary contacts. Pull one oil sample per year for spectroscopic analysis. Annually, check oil for acid content and discoloration. Change oil if out of normal parameters. Verify the operation of the oil heaters. Measure amps and compare readings with the wattage rating of the heaters. Clean the starter cabinet and starter components. Start the unit if not already in operation. Inspect motor and starter wiring and connections for tightness and signs of overheating and discoloration. Check condition of contacts for wear and pitting. Check contactors for free and smooth operation. Check the mechanical linkages for wear, security, and clearances. Check tightness of the motor terminal connections. Annually, meg the motor and record reading. Verify the operation of the electrical interlocks. Measure and record voltages. Provide function test loss of normal operation and automatic emergency start up Once per year, pull a refrigerant sample for spectrographic analysis for contaminants. a. Additionally Performed During Mid-Season PM w/Equipment Running (Schedule during July) Page 32 of 58 Check the general operation of the unit. Log the operating temperatures, pressures, voltages, and amperages. Check the operation of the control circuit. Check the operation of the lubrication system. Check the operation of the motor and starter. Analyze the recorded data and compare to the original design conditions for the equipment. Review operating procedures with COTR and VA staff. CENTRAL STATION AIR HANDLING UNITS COMPREHENSIVE ANNUAL INSPECTION AHU-110 Report in with the COTR. Record and report abnormal conditions, measurements taken, etc. Review customer logs with the customer for operational problems and trends. General Assembly Inspect the unit for cleanliness. Inspect the fan wheel and shaft for wear and clearance. Check the sheaves and pulleys for wear and alignment. Check the belts for tension, wear, cracks, and glazing. Verify tight bolts, set screws, and locking collars. Check dampers for wear, security and linkage adjustment. Verify clean condensate pan. Verify proper operation of the condensate drain. Verify clean air filters. Verify clean coils. Verify proper operation of the spray pump, if applicable. Verify smooth fan operation. Log operating conditions after system has stabilized. Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected. Page 34 of 58 Lubrication Lubricate the fan shaft bearings, if applicable. Lubricate the motor bearings, if applicable. Controls and Safeties Test the operation of the low temperature safety device, if applicable. Test the operation of the high static pressure safety device, if applicable. Test the operation of the low static pressure safety device, if applicable. Check the thermal cutout on electric heaters, if applicable. Check the step controller, if applicable. Check and record supply air and control air pressure, if applicable. Verify the operation of the control system and dampers while the fan is operating. Motor and Starter Clean the starter and cabinet. Inspect the wiring and connections for tightness and signs of overheating and discoloration. This includes wiring to the electric heat, if applicable. Check the condition of the contacts for wear and pitting. Check the contactors for free and smooth operation. Meg the motor and record readings. SCHEDULED RUNNING INSPECTION AHU-130 Check the general condition of the fan. Verify smooth fan operation. Check and record supply and control air pressure, if applicable. Function test loss of normal operation and emergency start up Verify the operation of the control system. Log the operating conditions after the system has stabilized. Review operating procedures with operating personnel. Provide a written report of completed work, operating log, and indicate uncorrected deficiencies detected. VANE AXIAL FANS TRANE COMPREHENSIVE ANNUAL INSPECTION EXHAUST FANS Page 35 of 58 Page 1 of Report in with the COTR. FAN-130 Page 36 of 58 Record and report abnormal conditions, measurements taken, etc. Review customer logs with the COTR for operational problems and trends. General Assembly Inspect fan wheel for wear, security, and clearance. Inspect sheaves and pulleys for wear and alignment. Inspect belts for tension, wear, cracks, and glazing. Verify tight bolts, set screws, and locking collars. Verify smooth operation of the fan. Log operating conditions after the system has stabilized. Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected. Lubrication Lubricate the fan bearings. Lubricate the motor bearings, if applicable. Motor and Starter Clean the starter and cabinet. Inspect the wiring and connections for tightness and signs of overheating and discoloration. Check the condition of the contacts for wear and pitting. Check the contactor for free and smooth operation. Meg the motor and record the readings. Check and record volts and amps of the motor. PURGE SYSTEMS PURIFIER PURGE PRG-130 Clean the condenser on the purge refrigeration unit. Check purge unit controls for proper operation. Check and clean purge drum. Clean strainers or replace filters. Page 38 of 58 Check purge compressor assembly for leaks. Check the purge unit for proper operation. LEAK CHECK (HIGH PRESSURE) WATER COOLED High Pressure Leak Check LCK-11O Inspect for leaks and report results. Repair minor leaks as required (e.g. valve packing, flare nuts). Calculate refrigerant loss rate and report to the customer. CONDENSER CLEANING WATER-COOLED CONDENSERS BRUSH TUBES (600 Tubes/Day) CDS-210 Pull both heads. Eddy Current test every 2 years. Brush tubes as necessary. NOTE: The term easy end head refers to the head which has no piping attached to it. In the case of 1-pass or 3-pass vessels, there will be no easy end head, and extra time must be allotted to the job for the removal of the piping. An exception to this would be the unit s having marine boxes. LUBRICATION SYSTEMS CHANGE OIL AND FILTER OIL-130 Change the oil and filter, using factory-recommended oil and filter. REFRIGERANT MONITORS ANNUAL MAINTENANCE INSPECTION MSC-320 Report in with the COTR. Record and report abnormal conditions. Check chassis mounting in enclosure. Check operation of Clear Language Display. Replace sampling filter element /elements at sensing points. Provide Zero and Span calibration to accuracy within 1 PPM. Visually check photo-acoustic sensing device. Check periodic re-zeroing. COOLING TOWERS, GEAR DRIVE COMPREHENSIVE ANNUAL INSPECTION CLT-210 Report in with the COTR. Page 40 of 58 Record and report abnormal conditions, measurements taken, etc. Review customer logs with the customer for operational problems and trends. General Assembly STRUCTURE Disassemble all screens and access panels for inspection. Inspect the conditions of the slats, if applicable. Inspect the condition of the tower fill. Inspect the condition of the support structure. Inspect the condition of the basins (upper and lower) and/or spray nozzles. Verify clean basins and strainer(s). Verify the condition and operation of the basin fill valve system. MECHANICAL Inspect gear box for leaks. Inspect drive and coupling for condition and security Inspect fan assembly for condition, security, and clearances (e.g. blade tip clearance). Lubrication Lubricate motor bearings. Check gear box oil level. Motor and Starter Clean the starter and cabinet. Inspect wiring and connections for tightness and signs of overheating and discoloration. Check condition of the contacts for wear and pitting. Check contactor(s) for free and smooth operation. Meg the motor and record reading. Check disconnect terminal block for wear, tightness and signs of overheating and discoloration. Check the condition and operation of the basin heater contactor(s). STARTUP / CHECKOUT PROCEDURE CLT-220 Fill the basin and verify float level. Page 42 of 58 Verify the operation of the basin heaters. Verify the operation, set point, and sensitivity of the basin heater temperature control device. Start the condenser water pumps. Verify the balance of the return water through the distribution boxes. Verify proper operation of the bypass valve(s), if applicable. Operate the fan(s) and verify smooth operation. Log operation after the system has stabilized. Review operating procedures with COTR. Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected. MID-SEASON RUNNING INSPECTION CLT-230 Check the general condition of the tower. Verify clean basins and strainers (upper and lower) and/or spray nozzles. Verify proper water level in the basin. Verify proper operation of the water level control device. Verify smooth operation of the fan(s). Verify proper operation of the bypass valve(s). DIRECT DRIVE PUMPS ANNUAL INSPECTION PMP-110 Report in with the C...
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