RFQ 19SN1025Q0004 Attachmentt 1 - SOW.pdf

STATEMENT OF WORK

I. GENERAL INFORMATION:

The U.S. Embassy in Singapore requires the following professional services to perform preventive maintenance services of the facility’s emergency generator systems.

II. PROJECT REQUIREMENTS:

DESCRIPTION OF EQUIPMENT*:

*Please see attachment at the end of this sheet for more details

Generator 1: Caterpillar Model 3412C diesel driven 800kVA located at ground level exterior

Generator 3: Caterpillar Model 94A 028887-S diesel driven 60kVA located in Room

Generator 4: Caterpillar Model GEH275-2 diesel driven 250kVA located in Room 1302

III. GENERAL REQUIREMENTS:

The Contractor will be responsible for labor and materials (see 7.1.2) required to carry out all preventive maintenance as outlined in this SOW. Embassy staff have service manuals for all Generators and ATS’s on-site.

IV. SCOPE OF WORK - GENERATOR PREVENTIVE MAINTENANCE

The Contractor shall provide all materials, supervision, labor, tools, and equipment to perform preventive maintenance. All personnel working in the vicinity shall wear and /or use safety protection while work is performed. Any questions or injuries shall be brought to the attention of the Post Occupation Safety and Health Officer (POSHO). Material Safety Data Sheets (MSDS) shall be provided by the contractor for all HAZMAT materials. Copies will be provided to the COR for approval.

If any discrepancies are found with the generator systems that are not covered under this scope of work, the contractor must provide the following:

1. Detailed report noting the discrepancy found.

2. Bill of Materials (BOM) to include component name, quantity, part #, and price for any repair material required and material lead time.

3. Price quote for repair labor.

At a minimum, the following work must be completed:

Notes:

• Contractor must submit to the Contracting Officer’s Representative (COR) for review, work sheet/checklist that will be used for performing maintenance service.

• COR must immediately be made aware of any condition discovered that could result in equipment failure.

• Test and inspection report shall be submitted to the COR within three (3) days of completing work.

• Laboratory report for all chemicals (oil, coolant or fuel analysis) shall be submitted to the COR.

• Before each consecutive interval is performed, all maintenance from the previous intervals must be performed.

Maintenance Interval Schedule (Standby Generators)

A. Semi-Annual Schedule (CLIN X01A)

1. Conduct visual inspection around generator.

• Check for evidence of leaks, damage, loose or missing hardware.

• Inspect engine and generator wiring harness for wear and damages.

• Check for loose electrical connections, tighten as needed.

• Inspect supports and spring isolators for soundness and stability.

• Inspect unit for corrosion and remove as needed.

• Hoses and Clamps - Inspect/Replace if needed.

• Belts - Inspect/Adjust/Replace if needed.

• Inspect all fuel, oil, and water piping for secure mounting.

• Inspect exhaust piping and muffler insulation.

2. Batteries.

• Battery charger – Inspect operation and clean.

• Battery electrolyte level and specific gravity – Check and adjust. Add distilled water as needed.

• Perform battery load test.

• Clean battery terminals and lugs (apply grease on terminal connections).

• Note batteries age and date due for replacement.

3. Fluids and Filters.

• Cooling System Coolant Level - Check and adjust.

• Coolant conditioner (DCA/SCA) – Check and adjust to specs.

• Jacket Water Heater - Check proper operation if applicable.

• Engine Oil Level - Check and add if needed.

• Fuel/water separators – Drain water.

• Engine Air Cleaner Service Indicator – Check, clean filter if needed.

4. Generator yard.

• Fuel tanks – Inspect and treat fuel if needed, check fuel level, and drain water and sediment. Test and activate all sensors on the day tank including pump activation for the diesel fuel. Simulate low level, high level, pump cut in, pump cut out, solenoid v/v open/close to ensure all are working operationally.

• Automatic fuel system -Check operation and control panel.

• Air intake/exhaust – Ensure nothing obstructs airflow; louvers are free and operate properly.

• Exhaust condensate trap – drain condensate.

5. Control Panel.

• Electrical Connections - Check tightness

• Clean and remove dust from panel.

• Check all indication lights, replace any defective bulbs

6. ATS.

• Clean and remove dust.

• Inspect seals.

• Note date of last battery change. (Replace if 2 years or older).

• Tighten connections.

• Check for hot spots.

7. Run unit – No load.

• Run the generator with no load for 15 minutes.

▪ Remote Start Panel-Inspect and test operation. Inspect and clean.

▪ Check the generator for unusual conditions, such as: excessive vibration, leaks, excessive smoke.

▪ Verify all gauges and indicators are normal and functioning properly.

▪ Check all indication lights, replace any defective bulbs.

8. Start unit and run under load for 1.5 hours.

• Note: Unit should be run under facility load if permissible. If not, unit should be run with a 50% load for 30 minutes, then a minimum 80% load for one hour, with a contractor provided load bank (total 1.5hrs).

• Automatic Start/Stop – Inspect.

• Check ATS operations and calibrate TDES, TDNE, TDEN, and TDEC if necessary.

Observe and record retransfer/cool down time.

• Check automatic open and close shutter-stats and thermatic fans.

• Generator Set Vibration – Inspect.

• Read and record all gauges/meters.

• Record load readings – Voltage, amps, frequency, power factor.

• Check exhaust for excessive black or white smoke.

• Check turbocharger for vibrations or any abnormal noise during operation.

• Check generator bearing for noise and overheating.

• Check exhaust manifold, muffler, and piping for leaks and secure mountings.

• Clean and lubricate linkage and end bearings.

9. Additional.

• Ensure Generator/ATS is left in proper position for automatic start and transfer.

• Clean generator and generator room. Wash radiator if necessary.

• Annotate date, hours and maintenance in Generator log, fill out maintenance checklist and report deficiencies to COR.

• Perform any additional maintenance tasks as recommended in the manufacture’s operation and maintenance manuals.

• Submit Service Inspection and Test Report to COR.

B. Annual Schedule (CLIN X01B)

1. Conduct Semi-Annual PM service

2. Engine Air Cleaner Elements – Replace.

3. Engine Crankcase Breather – Clean.

4. Engine Oil Sample - Obtain and perform analysis. Submit report to COR.

5. Engine Oil and Filter – Replace.

6. Fuel Filters and Water Separators – Replace.

7. Obtain fuel sample at day tank and storage tank for analysis.

8. Radiator – Clean (low pressure wash).

9. Intake louvers and ducts – Inspect/Clean (pressure wash).

10. Fan Drive Bearing – Lubricate.

11. Magnetic Pickups - Clean/Inspect.

12. Cooling System Coolant Sample - Obtain

13. Cooling System Supplemental Coolant Additive (SCA) - Test/Add

14. Coolant filter – Change if applicable

15. Crankshaft Vibration Damper - Inspect

16. Engine Protective Devices - Check

17. Engine Valve Lash - Inspect/Adjust

18. Turbocharger – Inspect/Check; Check end play and radial clearance on the turbine wheel and shaft.

19. Clean and lubricate fuel pump linkages if applicable.

20. Fan bearing – Inspect/Grease.

21. Clean dust and vacuum all the controls, meters, switching mechanism components, interior buswork, Remote Start control panel, Annunciator and connecting lugs of the ATS.

22. Inspect/Check buswork and supporting hardware for carbon tracking, cracks, corrosion, or any type of deterioration.

23. Check all control wiring and power cables (especially wiring between or near hinged door) for sign of wear and deterioration.

24. Check the cabinet interior for loose hardware – tighten connections.

C. 2-Year Maintenance Schedule (CLIN X01C):

1. Conduct the Semi-annual and Annual PM Service.

2. Inspect water pump and seals; replace any worn or defective parts.

3. Clean and inspect the oil cooler.

4. Clean and inspect the after cooler.

5. Generator – Check for moisture, dust, oil, grease, and debris on main stator windings, exciter. Clean as needed

6. Generator bearing – Inspect/Grease (or as recommended by manufacturer).

7. Service or replace the batteries in the Digital Module every two years. (as applicable)

8. Start unit and run under 30% of kW nameplate load for a period of 4 hours

D. 3-Year Maintenance Schedule (CLIN X01D)

1. Cooling System Coolant – Flush system and replace coolant (Note CAT ELC coolant to be replaced every 12,000 hrs. or 6 years).

2. Cooling System thermostat – Replace

3. Belts and hoses – Replace

4. Batteries – Replace

5. Generator Main Stator Winding Temperature (if equipped with winding defectors) – Check and record main stator winding temperatures with engine under load. NOTE: Nominal temperature values for stand by units are 1800C (3560F) for the alarm and 2050C (4010F) for the shutdown.

6. Generator Bearing and Bearing Bracket Temperature (If Equipped) – Check and record all bearing bracket temperatures with the engine under a load. NOTE: Nominal temperature values for the bearing bracket are 850C (1850F) for the alarm and 950C (2030F) for the shutdown.

EQUIPMENT LIST

Equipment Manufacturer Make Model Specifications Location

Generator 1 Caterpillar Caterpillar 3412C 800kVA Ground Level Exterior

Generator 3 Caterpillar Olympian 94A 02887-S 60kVA Ground Level Room 1303

Generator 4 Caterpillar Olympian GEH275-2 250kVA Ground Level Room 1302

END OF SOW