ROBERT E. HEDGECOCK

Experienced in laboratory and field metallographic techniques, including preparation and evaluation of metallurgical replicas for assessing creep damage of high energy steam lines and boiler pressure parts. Extensive experience using replication techniques for in situ metallurgical inspection and evaluation. Working knowledge of metallographic equipment for the preparation and examination of metallurgical samples; metallurgical work in remaining life evaluation projects for steam piping, headers, valves, turbine casings and rotors, and boiler tubes.

Laboratory duties include:

• Metallurgical Sample Preparation
• Replica Evaluation
• Photography (35mm SLR, MP4, microscopy)
• Hazardous Materials Shipping and Handling

PROFESSIONAL BACKGROUND

• Field Metallographer, Aptech Engineering Services, Inc.
• Metallurgical Technician, Aptech Engineering Services, Inc.

Technical support in the following projects:

Superheater Inspection and Remaining Useful Life Analysis, Syncrude Canada, Ltd. (APTECH Project AES 92021637-2) (February 1992).

Evaluation of the Integrity of Main Steam Piping System, Harbor Generating Station, Units 4 and
5, Los Angeles Department of Water and Power (APTECH Project AES 92011611-2)
(January 1992).

Analysis of Train Derailment and Spill, Sidley and Austin (APTECH Project AES 91091529-4) (September 1991).

Boiler Life Assessment, Laramie River Unit 1, Basin Electric Power Cooperative (APTECH Project AES 91081503-2) (August 1991).

Life Management Program, Riverside Unit 1, Public Service Company of Oklahoma (APTECH Project AES 91081510-2) (August 1991).

Life Management Program, Southwestern Station Unit 3, Public Service Company of Oklahoma (APTECH Project AES 91081509-2) (August 1991).

Life Management Program, Riverside Station Unit 2, Public Service Company of Oklahoma (APTECH Project AES 91081508-2) (August 1991).

Life Management Program, Northeastern Station Unit 1, Public Service Company of Oklahoma (APTECH Project AES 91081507-2) (August 1991).

High Energy Line Assessment and Boiler Remaining Useful Life Study, Kahe Station, Unit 3, Hawaiian Electric Company (APTECH Project AES 91051466-2) (May 1991).

Tube AlertK Survey of Kahe 5 Reheater, Hawaiian Electric Company (APTECH Project AES 91041445-2) (April 1991).

Secondary Superheater Section TubeMod Analyses, Syncrude Canada, Ltd. (APTECH Project AES 91031417-3) (March 1991).

Creep Damage Assessment and Weld Verification of Reheat Piping at Moss Landing, Pacific Gas & Electric Company (APTECH Project AES 91011389-2) (January 1991).

Detailed Examination of Boiler, Piping, and Balance of Plant Components at Muscatine Station,
Unit 8, Muscatine Power and Water Company (APTECH Project AES 90031213-2)
(March 1990).

Tube AlertK Examination of Tertiary, Secondary, and Pendant Reheat Superheater at Alamitos
Station, Unit 6, Southern California Edison Company (APTECH Project AES 90021196-2)
(February 1990).

Boiler Condition Assessment at Baldwin Station, Unit 1, Illinois Power Company (APTECH Project AES 90021192-2) (February 1990).

Boiler Condition Assessment at Dunkirk Station, Unit 2, Niagara Mohawk Power Corporation (APTECH Project AES 89121174-2) (December 1989).

Examination and Testing Services, Steam Generator and Auxiliaries at Bay Shore Station, Unit 3, Centerior Service Company (APTECH Project AES 89111161-2) (November 1989).

Replication of Main Steam Insulation Valves at Mohave Generating Station, Southern California Edison Company (APTECH Project AES 89111151-2) (November 1989).

Overall Boiler Condition Assessment at Riverside Generating Station, Unit 9, Iowa-Illinois Gas & Electric Company (APTECH Project AES 89111150-2) (November 1989).

Remaining Life Analysis for Selected Wye Connections, Main Steam and Hot Reheat at Roxboro Station, Unit 4, Carolina Power and Light Company (APTECH Project AES 89061077-2) (June 1989).

Unit Career Planning Task II Boiler Study for Bay Shore Station, Unit 2, Centerior Service Company (APTECH Project AES 89051063-2) (May 1989).