PWS Generator Maintenance Draft.pdf

1. Electrical Generator Maintenance Services

2. Scope of Work: The contractor shall provide all labor, materials, parts and transportation required to maintain and repair Government Owned Marathon (MTU) Generator, ASCO Automatic Transfer Switches, Paralleling Gear, MV Gear (ASCO Rolls Royce Controls Only), associated batteries (Paralleling and MV Gear) and must be certified. The equipment is located at the Joint Base Anacostia-Bolling, 2713 Mitscher Rd., SW, BLDG. 168, Anacostia Annex, D.C.

20373. Contractor shall provide preventive maintenance to keep equipment in optimum working conditions of both capacity and efficiency in accordance with terms conditions, provisions, specifications and permits.

3. Background: Program will provide 11 minor operational inspections and 1 semi-annual, major visit inspection during the 12-month period. See equipment list and description of scope below for Electrical equipment and ASCO controls for the facility. Services also include operator workstation ASCO controls extended architecture software upgrades. Preventive Maintenance Inspections shall be performed at a time and date mutually agreed upon between the contractor and the Nation Security Integration Office. Any changes to this schedule must receive prior approval from the COR.

4. Period of Performance: Base Plus Four Option Years:

Base Year: May 01, 2025- April 31, 2026

Option Year 1: May 01, 2026- April 31, 2027

Option Year 2: May 01, 2027- April 31, 2028

5. Annual Inspection Includes The Following:

(1) All Steps Preformed Below:

(2) Change Engine Oil.

(3) Remove and Replace Oil Filter

(4) Remove and Replace Fuel Filter

(5) Remove and Replace Air Filter, as Necessary

The Following Inspection, Maintenance, and Operational Checks Will Be Made If Applicable:

6. Equipment: 180 kW Gen (225KVA) (Qty. 1)

ATS: Engine ASCO: Rolls Royce

VOLTAGE: 120/208

i. Fuel System:

(1) Check fuel level in Daytank Notifying Customer

(2) Daytank Floatswitch

(3) Supply/Transfer Pump Operator

(4) Solenoid Valve Operation

(5) Flexible Hose & Connections

(6) Piping

(7) Fuel Strainer

(8) Injection Pump Lines

(9) Fuel Filter(s)

ii. Lubricating System:

(1) Inspect for Proper Oil Level

(2) Inspect Unit for Oil Leaks

(3) Change Lube Oil and Filters

(4) Crankcase Breather

(5) Grease Zerks

iii. Cooling System:

(1) Inspect Coolant Level and Degree of Protection

(2) Inspect Hoses and Drive Belts

(3) Inspect Radiator for Obstruction

(4) Verify Proper Operation of Water Jacket Heater

(5) Visual Inspect for Leaks

(6) Lubricate Fan Drive as Needed

(7) Obtain Coolant Sample for Analysis and Supply Report

(8) Louver, Motor & Controls

(9) Water Pump

iv. Exhaust System:

(1) Inspect Condition of Exhaust

(2) Inspect Rain Cap

(3) Drain Condensation Cap

(4) Insulation & Fire Hazards

(5) Exhaust Systems Hangers & Supports

v. Air Intake System:

(1) Inspect Air Inlet

(2) Inspect Air Cleaner Filter

(3) Inspect Air Service Indicator, Engine Running

(4) Inspect Turbocharger for Bearing Wear

vi. Control System:

(1) Inspect Operation of Meters and Gauges

(2) Inspect Shutdown and Pre-Alarms

(3) Inspect Annunciator Panel Operation

vii. Engine Electrical:

(1) Clean Batteries and Cables

(2) Add Distilled Water and Check Gravity

(3) Inspect Operation of Charger

(4) Check Starter Operation

(5) Tighten Controls

(6) Wire Chaffing

(7) Relays

(8) P.C. Boards

(9) Operation of Safeties, Estop & Alarms

viii. Generator:

(1) General Condition

(2) Inspect Intake and Exhaust Areas

(3) Compare Voltage to Normal Line

(4) Check Slip Rings and Brushes (if applicable)

(5) Inspect Bearing and Advise if Grease is Needed

ix. Battery System:

(1) Battery Voltage

(2) Electrolyte Level

(3) Terminals Clean and Tight

(4) Specific Gravity

(5) Charger Operation

(6) Charge Rate

(7) Equalize Charge

(8) Load Test for 10 Seconds

x. Note: Verify selector switch in automatic, battery charger on, circuit breaker closed. Minor PM (Less Lube Oil and Filter Change and Fluid Analysis)

xi. Fire Pump Only:

(1) Bearing/Grease

(2) Overflow Bowl

(3) General Condition

7. Equipment: Automatic Transfer Switches (12) Inspections with Transfer Test per Contract Term (12

MONTHS)

i. General:

(1) Record Voltage Readings Utility (Line to Line/Line to Ground)

(2) Record Voltage Readings Emergency

(3) Check Phase Rotation (Normal and Emergency)

(4) Record Load Readings on each phase and neutral

(5) Vacuum Enclosure

(6) Review notes/recommendations with customer

ii. Enclosure:

(1) General Appearance

(2) Locks

(3) Latches

(4) Lubricate all pivot points

(5) Inspect/Clean Main Contacts (Adjust if needed)

(6) Inspect/Clean Arcing Contacts (Adjust if needed)

(7) Check TS contact adjustment/Adjust if needed

(8) Verify proper operation of Auxiliary contacts

(9) Check Power Cable connections

(10) Re-Install Arc Barriers

(11) Manually operate ATS checking for binding

iii. Electrical:

(1) Check Power Cable Connections

(2) Re-Install Arc Barriers

(3) Manually operate ATS checking for binding

(4) Check control wire connections

(5) Check Rectifiers

(6) Verify/Record following Time Delay settings:

(7) Engine Start

(8) Elevator Pre-signal

(9) Transfer to Emergency

(10) Open Transition

(11) Re-transfer to Normal

(12) Engine Stop

(13) Verify/Record Following Pick Up and Drop Out Settings:

(14) Normal Voltage and Frequency Pick up

(15) Normal Voltage and Frequency Drop out

(16) Emergency Voltage and Frequency Pick up

(17) Emergency Voltage and Frequency Drop out

(18) Check Test Switch

(19) Verify Proper Operation of all Indicator Lamps

(20) Check Operation of In-Phase Monitor

(21) Verify Proper Operation of all Optional Accessories

(22) Operate ATS electrically

(23) Water Temperature

8. 2-Hour Load Bank Test:

Preform (1) Annual (2) Hour Load Bank Test on Generator.

9. The contractor will be required to work generally between normal working hours (7AM-3:30PM, Mon.-Fri.)

10. The Contractor is responsible for the removal of debris, waste, and replacement of all structures damaged during the installation of new work.