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 Expert  724737

Expert in Hydrology & Hydraulics, Storm-Water, Flood Plain Study, Tennis Court Design, Small Hydro Power

Available for your Consulting and Expert Witness Needs

California (CA)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness

Summary of Expertise: Listed with other top experts in: 
Expert has used drainage principles in site grading for a wide range of projects including residential tracts, commercial tracts and community parks. He has designed various drainage systems such as surface, sub-surface and underground systems for many projects.


Expert has directly developed and reviewed the hydrologic and hydraulic design for over 20 projects. Projects include area drainage plan, commercial site storm drain system, residential site storm drain system, construction site stormwater quality management, post-construction stormwater BMP, flood routing, and flood plain analysis.

flood control

Expert has strong understanding on hydrology principles. He has applied rational method and unit hydrograph method to over 15 projects including residential tracts, commercial tracts and community parks, etc. Expert also has experience in area drainage study, flood routing, and flood plain encroachment analysis.


Expert has directly developed and reviewed underground liquid pipeline design for over 25 projects. Projects include but not limit to domestic water, fire water, recycled water, non-reclaimable water, gravity sanitary sewer, and sewage forcemain. Material used varies from steel, ductile iron, PVC, to VCP. Expert has strong understanding in design requirement for different piper materials.

liquid pipeline

Expert has experience in designing underground plastic pipeline to convey water, recycled water, non-reclaimable water, and sanitary sewer. He is fairly familiar with the design requirements and calculations for plastic pipeline.

plastic pipeline

Expert has a lot of experience in underground sewer pipeline design including both gravity main and forcemain. He is familiar with the full scope of sewer design service from sewage generation calculation, pipe size determination, alignment selection, and construction document. Expert has experience with both PVC and VCP sewer pipeline design.

sewer pipeline

Expert has been working on storm drainage system most of his career. He has designed many complicated storm drainage systems which consist of open channel, culvert, underground pipe/box, and detention basins. Expert is very experienced in design and hydraulic calculation of open channel, culvert, reinforced concrete box, reinforced concrete pipe, and HDPE.

storm drainage system

Expert is familiar with Sections related to stormwater in Clean Water Act. He has experience in stormwater quality control for both construction phase and post-construction phase. Expert has strong background in dealing with stormwater both quantitatively and qualitatively. He has developed Storm Water Pollution Prevention Plan and Water Quality Management Plan for many projects.


Expert is familiar with both phase I and phase II of NPDES program. He is familiar with TMDL and 303(d) list. Expert has a good understanding of pollutants of concern associated with different land development projects, selection of treatment BMPs, and design procedure for both flow-based and volume-based structural treatment BMPs. He has developed and reviewed SWPPP and WQMP for many projects.

stormwater management

Expert has experience in hydrology and hydraulic calculations for urban runoff (storm runoff). He has strong understanding in pollutants of concern in urban runoff and the importance of urban runoff to water quality of waters in the United States. Expert is interested in education of water quality issues in related to urban runoff. Everyone can do something to improve the water quality of urban runoff.

urban runoff

Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: Los Angeles, California;  San Diego, California;  Long Beach, California;  Santa Ana, California;  Anaheim, California;  Riverside, California;  Glendale, California;  Huntington Beach, California;  San Bernardino, California;  and Chula Vista, California.

Often requested
with this expert:

Urban Design and Planning, Pedestrian and Bicycle...
Analysis of Vehicle Handling, Accident Reconstruction,...
Lubricants and Asphalt products and applications
Civil Engineering Design and Construction of Pavement, Site...

Year   Degree   Subject   Institution  
2002   PhD   Soil Physics   Louisiana State University  
1998   MS   Soil Physics   Institute of Soil Science, Chinese Academy of Sciences  
1990   BS   Hydraulic Engineering   Tsinghua University, PRC  

Work History:
Years   Employer   Department   Title   Responsibilities

2009 to


(Undisclosed Consulting Company)





Full scope civil engineering consulting.

2007 to 2009


David Evans & Associates, Inc.



Project Engineer


Got involved in precise grading of commercial projects and sports park projects, worked on street improvement plans, SWPPP plans, and WQMP report as well as domestic water, fire water, sewer and storm drain plans, etc.

2002 to 2007


Albert A. Webb Associates



Associate Engineer


Conducted lots of hydrology/hydraulic studies, and designed many storm drain systems and water quality control systems, designed a lot of waterlines and sewer lines, conducted hydraulic analyses for water distribution systems. Selected projects are given below.

1998 to 2002


Louisiana State University


Department of Agronomy


Graduate Assistant


1990 to 1998


Chinese Academy of Sciences


Department of Soil Physics, Institute of Soil Science


Research Assistant


Career Accomplishments:

He is a Member of American Society of Civil Engineers.


He is a Registered Professional Civil Engineer in State of California.

Publications and Patents Summary

He has over 10 publications.

Selected Publications and Publishers  
 - Soil Science Society of America Journal  
 - Soil Science  
 - Journal of Environmental Quality  

Consulting Services:
Selected Consulting Examples:
  • He helped one of his clients in obtaining all permits necessary for a tennis court addition project. Furthermore, he helped the client in selecting a right contractor and managed the whole construction process which took about five months.
Recent Client Requests:
  • Flood expert for consulting on reasons for flooding in a flood district.
Click the green button above to contact Expert for a free initial screening call regarding your expert consulting needs.  Expert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with Expert is free.

Expert Witness:
Recent Litigation Client Requests:
  • Storm drain pipe expert for consulting on storm drain.
  • Drainage expert for consulting on flooding and/or drainage.
  • Culvert expert for consulting on culvert washed out causing car wreck resulting in injury.
Click the green button above to contact Expert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with Expert is free.

International Experience:
Years   Country / Region   Summary
1990 to 1998   China- Nanjing, Jiangsu   Department of Soil Physics, Institute of Soil Science, Chinese Academy of Sciences

Language Skills:
Foreign Language  

Additional Skills and Services:

He gave a presentation on LEED at the ASCE Riverside/San Bernardino Branch Young Man Forum general meeting.

Other Skills and Services

He is excellent in design water, sewer and storm drain. He has strong understanding on hydrology and hydraulics and stormwater management. He is very good at using hydrology/hydraulic programs such as CivilD, WSPG, HydroWin, Flowmaster, HEC-RAS and H2ONet. He is experienced in doing SWPPP, WQMP and SUSMP.


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