Experience includes fatigue, fracture, and stress analysis of welded structures involving pressure vessels, offshore platforms, oil and gas pipelines, bridges, and steel framed buildings; fracture control procedures for pressure vessels; integration of fracture mechanics, stress analysis, and nondestructive examination (NDE) for fracture safe design; and materials selection procedures, welding methods and procedures, and properties of welded joints.

Project work includes technology development for the Oman-to-India Gas Pipeline focussed on pipeline risk analysis, reliability, and welding and material issues; specifications for quality control during line laying and issues related to subsea repair; analysis of liquids pipeline rupture and leaks; design procedures for chilled natural gas lines; gas pipeline failure analysis and line internal inspections; elastic-plastic finite element analysis; the effect of imperfections on structural integrity; significance and effect of residual and restraint stresses on structural performance; measurement of residual stresses; selection of welding procedures for avoiding hydrogen cracking; analyses of defects in linepipe; repair welds and procedures; prediction of stress corrosion crack growth in austenitic piping; evaluation of fatigue performance of deep water platforms; fracture controls for chilled natural gas pipelines; review and evaluation of inspection records; reinspection programs; assessment of document tracking systems; sampling programs for weld quality assessments; analysis of inspection requirements for cast austenitic power plant components; development of life extension programs for LNG plants; evaluation of inspection data for cooling water systems; analyses of ERW pipeline failures; concrete intake structure damage monitoring schemes; risk analyses of gas pipelines; risk prioritization of maintenance activities for chemical plants; inspection program prioritization; licensing hearings; and litigation support.

Dr. Egan is based in APTECH's Corporate Headquarters located in Sunnyvale, California.

Mr. Rettig is currently Vice President of Power Generation and has responsibilities for marketing and engineering power plant projects worldwide. Areas of expertise include asset evaluation, life management, failure analysis of power plant, automotive, and aircraft components; materials selection and methods of fabrication and processing; corrosion and metallurgical failure of alloys; nondestructive inspection by acoustic emission; and preparation and examination of metallurgical specimens.

Experience includes developing and implementing analytical and experimental methods for determining conditions and remaining useful life of equipment with emphasis on power plants.

Recent work includes creep damage and remaining life of superheater and reheater tubes; failure analysis of nuclear and fossil power plant components, including turbine blades, shafts, boilers, discs, pulverizers, waterboxes, and steam generators; analysis of failure data to identify recurrent and generic problems; failure analysis and materials selection for sewage sludge heat exchangers; analysis of reheat cracks and review of weld procedures; accident reconstruction; and metallographic and fractographic analyses.

Management and operational expertise in fossil and nuclear utility power plants, including the construction, start-up, maintenance, and on-line operational procedure writing, check-out, and start- up of power plant equipment. Experienced in the operation of fuel handling and fuel burning equipment, including pulverizers, fans, sulfur dioxide/particulate control scrubbers, precipitators, water treatment, gas/steam turbines, and ash handling systems. Experienced in the calibration and design of utility boiler-turbine control systems. Expertise in water treatment, feedwater treatment, and boiler water control measures used to prevent deposition and corrosion damage to power plant equipment.

Work experience includes design and implementation of heat rate and efficiency monitoring programs for oil and gas fired boilers; thermodynamic analysis and efficiency calculations of power plant components, such as boilers, turbines, gas turbines, air heaters, pulverizers, and feedwater heaters; analysis of coal slagging and fouling in utility boilers; and oil, gas, and coal burner design and optimization.

Management of a major utility nuclear power plant turbine generator failure investigation with specific emphasis on water chemistry contaminants of the condensate system, steam generator, water, steam purity, turbine blade/disk failures, and electrical generator failure analysis.

Past utility fossil power plant related work includes the project management of investigations into the performance of fossil power plant boilers, heat recovery steam generators, turbines, gas turbines, electrical generators, and pulverizers; failure analysis of boiler tubes; analysis to predict the remaining useful service life of boilers, superheaters, reheaters, headers, turbine blading, and tubing; and design and modification of utility power boilers to eliminate tube failures.

Recent work includes project management and expert testimony/litigation support in large utility power plant legal cases. These cases involved boilers, heat recovery steam generators, gas turbines, pulverizers, plant auxiliaries, fires, explosions, availability/reliability modeling, plant life assessment, plant life extension, and the analysis of plant logs to calculate power production costs for revenue requirements based on calculations of damages and production costs. Currently involved in cost analysis associated with cycling large and small fossil power plants.

This section in revision.

Dr. Kimble Clark has over 40 years of experience in solving equipment and system problems in mechanical engineering and the thermosciences using engineering analysis and testing. His technical specialties include heat transfer, fluid mechanics, thermodynamics and combustion.

He has conducted many investigations into the origin and cause of complex fires and explosions in chemical process plants, industrial facilities and commercial and residential buildings. Dr. Clark is also experienced in providing testimony for deposition, mediation, arbitration and trial.

Mr. Stephen Anderson is Vice President and a Senior Materials Scientist with over twenty years of industrial experience. This includes ten years of research and development experience in the pulp and paper, arms and explosives industry. For the past ten years, Mr. Anderson has specialized in asset management, mechanical integrity, and risk assessments of refinery and chemical plant equipment and the development of innovative inspection and maintenance programs for a variety of facilities. Mr. Anderson is an accomplished manager who has been at the forefront of the development and implementation of risk based inspection programs, has published many papers on the subject and has been an invited speaker at numerous international conferences. His experience includes the inspection, condition assessment, fitness-for-service and remaining useful life evaluation of refinery and petrochemical equipment. Additional experience includes litigation support, software development, corrosion control, metallurgical failure analysis, materials selection, materials testing and the monitoring and analysis of vessel and piping circuit corrosion data.

Over 35 years industry and consulting experience in process technology assessment; technical, cost and economic project feasibility assessments; technology licensing; engineer, procure construct (EPC) and turnkey project management; process engineering and design; plant operations, performance and maintenance; conventional and advanced process controls; process and plant safety management; risk and hazards assessment and management; incident and root cause analysis; and, problem-solving.

Specialized experience in chemical, process and allied engineering including: energy and material balance; unit processes and unit operations; PFDs, P&IDs, HAZOPS; process and plant equipment design, specifications, procurement and operation; and, construction oversight and plant startup.

Experience and consulting service areas include: petroleum and refining; petrochemical; chemical; bio/pharmaceutical; energy and power; semiconductor and electronic; manufacturing; and, multimedia pollution control and environmental management.

Served as consulting and testifying expert in over 40 litigation cases. Wrote expert reports and provided deposition and trial testimony. Work with law firms, insurance companies, and adjusters.

Overseas experience in Asia, Australia, New Zealand, Europe, Central America and Canada.

Previously held line and staff management positions with Exponent, Woodward Clyde Consultants (now URS), UK-based Imperial Chemical Industries, Stauffer Chemical Company, Bechtel Corporation, and Union Carbide Corporation.