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Consultants

Here are brief descriptions of the Unisont consultants (in alphabetically order)

Asif Arastu is one of our engineering consultants.  Dr. Arastu has the expert knowledge in the area of thermal hydraulic and radiation dose analysis in support of the design, evaluating and investigating water/steam hammer in plant operation, system performance, and licensing for the nuclear and fossil power plants.  He worked on various complex thermal hydraulic analyses including steady state and transient fluid flow & heat transfer analyses, sub-compartment pressure/temperature analyses, diagnostic analysis for water/steam hammer events, flow induced vibrations in piping systems and structures, and performed plant simulation analysis (computer codes such as RELAP5, HSTA, GAFT, PCFLUD, etc.)  He had completed both his B.Sc. and Ph.D. degree in Nuclear Engineering at University of London, UK.  Dr. Arastu has been participating and organizing as chair and author for numerous ASME committees, conferences and publications. Currently he has been elected as ASME Fellow and has been a registered professional engineer in the state of California.

 

Eugene Tom is a senior engineering consultant at UEI. Mr. Tom has over 40 years of engineering experience in piping stress analysis, pipe support analysis, ASME Section III, Section VIII and ANSI B31.1, B31.3, B31.4 and B31.8 Code applications, seismic qualifications for equipment, and Nuclear Class 1 fatigue evaluations. His is also expertise in the area of fluid hydraulic analysis and thermal dynamic analyses to predict adverse environmental conditions inside closed environments. He is an experience user of such piping computer codes such as ME101, AUTOPIPE, Ceasar-II, and fluid transient computer codes such as RELAP, HSTA and GAFT. He held a BS degree of Mechanical Engineering, California State University at San Jose. He currently is a member of ASME and a registered mechanical engineer in the state of California. 

 

Farzin Faili is one of our advisory consultants. Farzin has over 35 years’ experience in the areas of civil structural design and engineering analysis for various nuclear and fossil power plants. He provided his vast expert knowledge in dynamic and static modeling, time history and response spectrum structural analyses and together with elastic and non-linear approach to assist clients for resolving AISC code and nuclear regulatory requirements. He has successfully completed two special projects using the FINEL non-linear analysis to evaluate the Diablo Canyon’s Turbine Building Operating Deck and the Spent Fuel Pool Thermal Cracking Project.  He has assisted both unit of the Diablo Canyon Power Plant to support over 30 refuel outages.  He had completed his M.S. degree in Civil Engineering at University of California, Davis, and B.S. degree in Civil Engineering at California State University, Sacramento.  He currently is a registered civil engineer in the state of California. 

 

Hong-Ming Lee is a principal consultant of UEI.  Dr. Lee has over 40 years in information technology, especially in CAE and image processing, pipe and system vibration, thermal hydraulic, 2 phase jet impingement,  design/support of integrated design engineering system, plant design engineering, nonlinear structural dynamics, computerized tomography, civil structural design and construction.  Dr. Lee specializes in stress analysis with broad knowledge in the work processes and standard applications of most engineering disciplines of the power and P&C industries.  Has been formally trained in information engineering and have extensive experience in design methodologies and software development, as well as complete system setup.  He has developed several nonlinear programs for use in stress analysis, including ME101 that has real time graphics and has integration with DBMS, CADD and other CAE programs.  He also developed program for the emission computerized tomography.  He had completed his Ph.D. in Civil Structural, University of California at Berkeley, 1983, MS degree in Electrical Engineering & Computer Science, University of Cincinnati, 1980, and BS in Civil Engineering, National Taiwan University, 1974. He currently is a registered civil engineer in the state of California.

 

Kenneth Wong is one of our advisory consultants at UEI. Mr. Wong has over 35 years of engineering experience in piping stress analysis, pipe support analysis, design specifications, piping diagrams (P&ID), mechanical / electrical system interface, design drawings, procurement, fabrication activities, quality assurance, source surveillance, shipping, and billings. He has been a lead engineer responsible in the area of piping stress analysis and design reports of ASME Nuclear Class 1 and 2 piping systems. His work includes CCNPP main steam analysis, SONGS SGR analyses, Susquehanna EPU Class 1 analyses and WTP Piping analyses. He has extensive knowledge in ME101, PISYS, Autopipe, Microstation 3D Core and CAD computer programs. He had completed his BS degree of Mechanical Engineering, California State University at San Jose.  


Lawrence (Larry) Chiu is one of our engineering consultants. Mr. Chiu has over 40 years of engineering and construction experience in the areas of structural design and analysis, piping support design and analysis, base-plate and anchor bolts qualification, equipment testing and qualification, and inelastic time history finite element analysis.  His strength also includes design of roadways, pipelines, buildings, foundations, field constructability, and field walk-down inspection. Mr. Chiu had worked as civil structural group lead at various nuclear plant sites to resolve technical issues during plant operation and/or outage at DCPP. He also attained a CA contractor license to support construction activities. He had completed his BS degree at California State University, Sacramento, CA.  He currently is a registered civil engineer in the state of California and Washington.

 

Mark Shinn is one of our UEI advisory consultants. Mr. Shinn has over 40 year of experience in the area of computer analysis of complex piping systems and components. He also attains the expert knowledge in code compliance, plant design engineering, mechanical system design, plant operations, piping and instrument diagrams, and equipment qualifications. He has worked extensively with various industry piping stress analysis(ME101, TPipe, AutoPIPE, ADLPIPE, NUPIPE, CAESAR II, PIPSYS), pipe support design (FAPPS, Baseplate), finite element analysis (ANSYS, NASTRAN and STRUDL), hydraulic transient analysis (NOHEAT, HYTRAN, HSTA) computer programs.  He has completed graduate courses from Northwestern University, Evanston, IL, and held BS degrees in ME and Mathematics from Seoul National University, Seoul, Korea. He is a registered professional engineer in the state of California, Alabama, and Illinois.

 

Milton Dong is a principal consultant at UEI.  Mr. Dong has over 40-year experience in the area of finite element stress analysis, Class 1 fatigue stress reports, piping component design, structural dynamics, earthquake engineering, vibration analysis, pipe support design, equipment qualification, graphic interaction, quality management, software development, and project automation.  He is responsible for quality assurance program on various power and waste treatment projects.  He is one of the founder of computer code ME101/ME035 and provided various technical seminars on these programs.  He has represented UEI on the various projects and with the client to resolve technical questions.  He had completed his MS degree of Mechanical Engineering in Mechanical System Design, University of California at Berkeley and his BS degree of Mechanical Engineering, University of California at Berkeley.  He currently is an ASME member and a registered mechanical engineer in the state of California and Kansas.

 

Sabry Youssef is one of our advisory consultants. Dr. Youssef has over 40 years’ experience in the areas of civil structural design and analysis in plant operation, and licensing of the safety and non-safety related structural systems for both nuclear and fossil power facilities.  He worked on various projects of designing various structural systems, such as HVAC ducts and duct supports, tornado generated missile barriers, spent fuel pool concrete structure, containment spray piping supports, intake concrete structure and tunnels, discharge concrete structure, turbine building roof structure.  He also has vast expert knowledge in polar crane design, fuel handling building seismic design, steam generator’s concrete anchors design, structural support design of reactor coolant pumps, pressurizers and reactor pressure vessel, and concrete shield wall design. He had completed his Ph.D. degree in Structural Engineering at Karlsruhe University, Germany, M.S. degree in Structural Engineering at Asyut University, Egypt, and B.S. degree in Structural Engineering at Ein Shams University, Egypt. 

 

Serena Jang is one of our advisory consultants. Her major responsibilities are in the areas of geotechnical investigation and construction observation for various geotechnical projects.  Ms. Jang’s experience includes managing field investigation projects and performing engineering analyses including pile capacity (axial and lateral), slope stability computations, settlement, seismic hazards studies, bearing capacity, bioretention systems and roadway/pavement design. Her experience also includes observation during the installation and construction of driven piles and drilled piers, soldier pier and lagging and sheet pile shoring systems, observing and testing of tiebacks and tiedowns both temporary and permanent, observing and testing the compaction of fill, checking the subgrade exposed in footing excavations, observing the installation and conducting the monitoring of slope inclinometers and vibrating wire piezometers, and observing the installation and monitoring of surcharge and wick drain systems. She had completed her MS degree of Civil and Environment Engineering from Cornell University, and BS degree of Civil Engineering from University of California at Berkeley. She currently is an ASCE member, and a registered Professional Engineer and Geotechnical Engineer in the state of California.

 

Syed M. (Mahmood) Husaini is one of our advisory consultants. Dr. Husaini has over 30 years of engineering experience in the areas of fluid transient, thermodynamics, heat transfer and fluid flow, to predict the performance and safety of systems and components in the nuclear and fossil power plants. He has worked on GL 96-06 research program and gas intrusion issue. He is also expert in root cause analysis in evaluation of thermal and fluid hydraulic of the various nuclear safety systems. He is also the principal author of HSTA, a leading water hammer computer program in the industry. He had completed his Ph.D. at University of Manchester, MS degree at University of Birmingham, and BS degree at University of Karachi. He is the author on numerous technical journals and conference publications in these areas. He is currently on a Seattle assignment.

 

Walter W. Yuen is one of our advisory consultants at UEI.  Prof. Yuen is also served as a Professor of the Department of Mechanical and Environmental Engineering at the University of California, Santa Barbara. His research interests are in two-phase flow, radiation heat transfer and numerical computation. He is active in ASME and AIAA. His projects have been funded by NSF, NRC, DOE and NASA.  Professor Yuen's current study includes the fundamentals of metal combustion in fire research.  He is also interested in the role of radiation heat transfer in flame spread, flash over and other important fire safety issues.  Since 1990, Professor Yuen expanded his scope of research to Reactor Safety and the fundamentals of multi-phase flow.  He developed two computer codes, PM-ALPHA and ESPROSE.m which are the most advanced state-of-the-art numerical tools for analysis of Steam Explosion.  He is co-author on numerous technical journals and conference publications in these areas.  He is currently on a Hong Kong assignment.

Unisont Engineering, Inc. * 333 Hegenberger Rd, #310 * Oakland, CA 94621