RECENT PROJECT ACTIVITY

1. Failure investigation of (DC) emergency oil system which resulted in significant damage to 14 MW steam turbine-generator bearings and rotors.
   [Click here to see photo]

2. Failure investigation of 38 MW steam turbine low pressure blading during commissioning.
   [Click here to see photo]

3. Investigation of thrust balance in a 53 MW steam turbine which caused a hot running turbine thrust bearing.

4. Failure investigation of 60 MW load gear for General Electric Frame 6 gas turbine.

5. Failure investigation of the high speed rotor from a main feed pump turbine installed on a US Navy cruiser.
   [Click here to see photo]

6. Investigation of 18000 BHP steel mill blast furnace blower and turbine driver [Click here to see photo]

1. 150 MW steam turbine HP blade failure due to corrosion, expert witness for the engineering firm
2. GT24 B2, failure investigation of LPT3 turbine blade, expert for the insurance company
3. 157 MW steam turbine HP stop valve diffuser failure, expert for the utility
4. GT11, gas turbine silo combustor inner liner failure, expert for the insurance company

  General Electric

1. D11 215 MW steam turbine main stop/control valve seat failure, expert for the insurance company
2. Frame 7EA gas turbine failure due to foreign object damage of the compressor section, expert for the utility
3. D3 175 MW steam turbine failure of the HP nozzle partitions resulting in significant damage to the HP steam path, expert for the insurance company
4. LM 6000 failure investigtion related to a total of five separate compressor and hot gas path incidents all located in Asia, expert for the insurance company
5. H9/K3 325 MW steam turbine failure investigation of the lube oil system resulting in significant bearing damage, expert for the insurance company

Siemens and Westinghouse

1. 200 MW steam turbine life assessment for application in cogeneration service in Thailand, expert for the utility
2. 150 MW steam turbine failure investigation and repair of cogeneration unit where failure due to a transient operation resulting in severe internal rubs,expert for the utility
3. 7.5 MW steam turbine evaluation to address performance deterioration, expert for the utility
4. 100 MW steam turbine in cogeneration service, evaluation to address operation with high vibration, expert for the utility
5. 150 MW frame RJX2606 (Westinghouse) failure investigtion of L-2 blades resulting in significant damage to the steam path, expert for the insurance company
6. 500 MW steam turbine thrust bearing evaluation to assure reliable long-term evaluation after turbine generator rerate, expert for the utility
7. 100 MW Alstom/Siemens - Finspang (Sweden) steam turbine in cogeneration service, rotor repair after damage incident, expert for the insurance company

Dresser Rand

1. 33 MW double extraction steam turbine generator failure investigtion of the HP nozzle plate bolting resulting in significant steam path damage, expert for the utility
2. 50 MW double end drive steam turbine generator failure investigation due to (a) stage 1 blade locking feature, and (b) solid particle erosion,expert for the utility

Expert Witness, Arbitration, and Mediation

1. Failure of a 500 MW Westinghouse steam turbine during control system commissioning, expert for the defendant.
2. Failure of a 10 MW steam turbine due to destructive overspeed incident while testing the unit, expert for the defendant.
3. Represented the plaintiff in an arbitration of a construction management case involving a complete cogeneration power plant in the Middle East

Due Diligence - Chinese Steam Turbine Manufacturers

1. Vendor evaluation of a 230 MW - 60Hz steam turbine generator for a US utility, this is the first Chinese steam turbine for a US project, expert for the developer
2. Vendor evaluation of 660 MW - 50Hz steam turbine generators (quantity = 6) for project in India, subcritical steam conditions
3. Vendor qualification and evaluation specification for a 1000MW - 60Hz steam turbine generator for project in Asia with ultra super critical steam conditions and 45" last stage blades
4. Evaluation specification for a 1200 MW - 60Hz steam turbine for US nuclear power station with the equipment supplied by a Japanese manufacturer, expert for third party engineering firm
5. Vendor evaluation of a 600 MW - 60Hz steam turbine generator for an Asian project, this is the first off 60 Hz design for the Chinese manufacturer

Training

1. Developed a steam turbine design course "Design andMajor Repairs of Large Steam Turbines for Utility Applications" and presented over 20 times worldwide to date.
2. Developed a tutorial for large steam turbines which are applied with ultra-supercritical steam conditions and presented several times to utility engineers and manufacturers.

Predictive Maintenance Programs - route development for a major boiler and machinery insurance company. Coordinated with operating personnel to identify critical equipment for periodic measurement of vibration and temperature to prevent failure and improve and/or maintain plant reliability:

1. Electric generating/refuse burning Steam Plant with Steam Turbine in upstate NY

2. Electric generating/chip burning Steam Plant with Steam Turbine in upstate NY

3. Electric generating/refuse burning Steam Plant with Steam Turbine in South Carolina

4. Combined Cycle COGEN with steam host in Northern California

5. Electric generating/chip burning Steam Plant with Steam Turbine in central MA

6. 43 MW Central Station (Steam) in western PA

7. Fully integrated chemical plant in Tennessee

Development Projects

1. Large Electric Utility Project to investigate alternate methods for repair of steam turbine diaphragms. Purpose of project is to reduce lead time of repair and cost. [Click here to see photo]

2. Various utilities - in association with a major fluid film bearing design and manufacturing company, work with utilities to resolve long term steam turbine, generator, pump and fan rotor/bearing system vibration, maintenance or operability problems.

3. Chemical plant in central US, redesign centrifugal blower rotor/bearing system and blower case to improve reliability and correct design defects. [Click here to see photo]

4. Insurance Industry guidelines for contamination of large utility steam systems.