Z1DA--Turbine Overhaul & Testing 515

COMBINED HEATING AND POWER PLANT TURBINE/GENERATOR OVERHAUL STATEMENT OF WORK

GENERAL INTENTION:

This Statement of Work describes the service necessary to overhaul the Steam Turbine located at the 5500 Armstrong Road, Battle Creek, Michigan, Combined Heating and Power (CHP) plant.

Equipment consists of a complete Engineered Turbine Generator skid (attached). This includes a Coppus Model RLHA-24 steam turbine, a Murray model K steam turbine, a Lufkin Gear model N1400C gearbox, and an Ideal Generator model SAB 2200 kW generator with Ewing Controls.

Contractor will provide Craft labor support with supervision, tooling/specialty tooling, forklift, air compressor, on-site glassbead/sandblast and other miscellaneous special tooling/handling equipment.

PERFORMANCE PERIOD/SCHEDULE:

The contractor shall fully complete the work required under this Statement of Work (SOW) in 21 calendar days of beginning work.

Any portions of the work outlined in this Statement of Work which cannot be performed without the system being operational will be coordinated with the Contracting Officer Representative (COR).

Any utility interruptions shall be coordinated and scheduled through the COR.

Should the steam turbine generator inspection result in the need for additional time to complete repairs or replacement of internal parts, additional services, for unforeseen conditions, may be presented for a contract change notice.

Coordinate the work schedule with the COR so that VA can prepare the boilers in advance and have personnel available to monitor the work. The COR is Robert J Pavlovic.

REQUIRED TASKS

Turbine/generator inspection and overhaul. This includes, but not limited to:

Base Scope: Packaged Steam Turbine and Generator Outage

Borescope the LP

Pull cover on the HP to inspect turbine rotor and replace carbon seals if needed.

Inspect bearings. HP(2) HP thrust(1) LP(2) thrust(1) Gearbox(4) thrust(1) Generator(2)

Inspect HP trip valve

Inspect HP control valve

Inspect gear box. Perform a gear contact check

Pull generator end shields and check end windings and rotor in place

Electrical checks on generator rotor, stator and exciter.

Open and inspect HP non-return valve. Paper check on disk to seat. Lift check for bushing clearances.

PM checks on Woodward governor and start up support

Stator testing. Power Factor, Megger, Winding Resistance

Rotor testing. Megger, Winding Resistance Brush-less Exciter. Megger, visual inspection

Generator Breaker. Maintenance cleaning & Inspection, Megger, Contact Resistance

Hi-pot Vacuum Bottles.

Generator Cables to the breaker. Megger

Generator Protection Relay. Test the programed functions and verify if trip power is available.

Sample lubricating oil; renew as necessary

Drain water and dirt from reservoir/ bearing housing; top off oil as needed

Check instrument air & lube oil filters; replace as needed

Provide a completed report with overhaul findings/corrections/recommendations.

QUALIFICATOINS

The contractor shall provide certification and/or experience with Turbine/Generator inspecting and testing.

The contractor shall provide certification and/or experience of mechanical maintenance which will include tooling and supervision.

The contractor shall provide certification and/or experience of Turbine/Generator Control knowledge, calibration, and testing.