Curriculum Vitae
Marcus Crahan, III, P.E.

Principal Engineer
POWER ENGINEERING
Costa Mesa, California - 1989 to the Present

Founder Power Engineering. Lead researcher and author for tribological studies diagnosing and solving wear mechanism in various types of machinery.  Designed and supervised numerous turbine generator upgrade and diagnostic programs, with final responsibility for resulting design modifications. Diagnosed and solved various gear train problems. Expert in bearing troubleshooting and design. Chief test engineer for generator performance acceptance tests. Expert in machinery alignment and balancing. Responsible for reassembly and realignment of over thirty large vertical and horizontal turbine-generators. Implemented several lubricant analysis and monitoring programs. Authored tribological studies diagnosing and solving wear mechanisms in various types of rotating machinery.

WORK EXPERIENCE

Mechanical Engineer
BENTLY NEVADA CORPORATION
Santa Ana, CA - 1986 to 1989

Provided consulting engineering services for rotor dynamics related problems. Perform vibration analysis on rotating apparatus, especially electric power generating systems. Developed methods to correlate machinery vibration with other process parameters for system problem identification. Performed alignment and field balancing corrections to improve the operation of rotating mechanical systems.

---

Engineer
LOS ANGELES DEPT OF WATER & POWER
Los Angeles, CA - 1982 to 1986

Responsibility to research, design, and implement the betterment programs within the hydroelectric power generating section. Project Manager for the overhaul and repair of large vertical hydro-electric units at the Castaic Pumped Storage Power Station. Implemented a hydroelectric turbine generator erection process using optical and electronic gaging instruments. Proficient in the areas of: system modeling, numerical analysis, environmental testing, data acquisition and application of analog and optical metrological instrumentation.

B.Sc. California State University at Fullerton
Major: Mechanical Engineering
Minor: Mathematics

Registered Mechanical Engineer, State of California
Certificate Number: M024880

American Society of Mechanical Engineers
Hydropower Technical Committee (1990 to Present)

• Enhancement of a Large Hydro-Electric Turbine Generator, Hydrovision 1998
• Diagnostic Testing and Repair of Hollingsworth Generating Station's Unit One, CEA March 1995
• Repair of Rainbow Project Unit Number Eight, Presented at the 1991 Waterpower Conference  PDF Download
• Repair of Grand Rapids Generating Station Unit Number Four, Presented at the 1991 Waterpower Conference PDF Download
• Spring Plates and Tapered Keys Restore Turbine Generator, Hydro Review December 1990
• Dramatically Improved Hydroelectric Generator Performance through Total Unit Centerline Erection -- A Case History., Presented at the 1986 American Power Conference
• Hydroelectric Turbine Generator Vibration Monitoring for Machinery Life Extension. Presented at the 1987 ROMAC Conference
• Plant Life Extension, "Vibration Analysis for Life Extension of Hydroelectric Turbine Generators." Presented at the 1986 Electric Power Research Institute Hydro Operation and Maintenance Conference

The Guide to Hydropower Mechanical Design, Prepared by the ASME Hydropower Committee, 1996.