
Dispute Resolution Service for Construction Project
If an unexpected incident occurs and a claim cannot be completed during construction period and becomes a dispute that requires Alternative Dispute Resolution Methods, QPPP has a service to assist you in this process from the beginning to the end of the dispute resolution process.
Mediation / Arbitration / Litigation Support
We can help you from the start with a preliminary assessment, strategic planning, demonstrative evidence gathering, screening important demonstrative evidences, helping to find documents that support the dispute, writing reports or testimonies in the technical section for further use of the lawyer, helping counter the counterclaim and finding supporting documents.


Demonstrative Evidence Preparation
Demonstrative evidence preparation in construction disputes includes a number of supporting documents which are technical documents. With both local and international expertise and experiences, QPPP team can help you prepare and gather demonstrative evidence in a systematic manner, whether in paper or digital form. We have a team ready to help you effectively.
Mediation Service
Based on our overseas dispute resolution experience, we are confident that mediation is the best way to resolve disputes. It is most suitable for construction because it is quick, easy, and inexpensive.
Quantum PPP together with the Thai Construction Lawyers Society has established the Construction Mediation Academy to provide knowledge on mediation for the construction industry in Thailand.
We have qualified, impartial, and experienced mediators in construction field to assist in mediating construction disputes, the best dispute resolution alternative.


Testifying Expert Witness - Delay/Schedule Expert Witness, Technical Expert Witness, Quantum/Cost Expert Witness
We have specialists who are ready to testify as a mediator with accurate analysis based on facts with evidence.
Our mediators and expert witnesses

Dr. Apirath Prateapusanond
Managing Director, Forensic Delay Analysis, Construction Claim Consultant, Mediator
Apirath Prateapusanond, Ph.D.
Managing Director, Forensic Delay Analysis, Construction Claim Consultant, Mediator
Since 1998, Dr. Apirath has been an international construction management consultant specialized in contract and claim management, forensic delay analysis, dispute resolution, scheduling and document management on mega construction and property projects such as the West African Gas Pipeline (WAGP) project in Africa, the Big Dig project in Boston, GSA Office Building and U.S. Courthouse in New York, Enron Power Plant in Puerto Rico and Ronald Reagan Building in Washington D.C, the MahaNakhon Project in Thailand. She was appointed as a schedule expert witness on Samut Prakarn Wastewater Treatment Plant Project in Thailand.
She has outstanding technical, contract and management experience in construction projects; analysis of project delay and cost-overrun, evaluation of labor productivity and inefficiency, evaluation of project damages, analysis of CPM scheduling and performance and business performance optimization. She has also experienced in construction claim preparation for arbitration and litigation procedures worldwide.
To prevent and resolve any construction claims from escalating, she has promoted the effective use of electronic document management service, namely QConzol in the construction society starting in Thailand. QConzol service is the combination of ConZoL system and our Quantum PPP service which can fairly and accurately manage all project records for all parties involved including the tender documents until the handover documents during the entire life of construction projects. The outstanding benefits of our QConzol service is to reduce costs, increase the accuracy of all document submissions and approval status, prevent unnecessary delays and claims and ultimately build a good working relationship among all parties.
Education
- Ph.D. in Civil & Environmental Engineering (Construction Management) Virginia Polytechnic Institute, Blacksburg, Virginia 2003
- M.G.A. in Marketing, University of Maryland University College, College Park, Maryland 1997
- M.Sc. in Operation Research and Management Science, The George Washington University, Washington, DC 1995
- B.B.A. in Industrial Management, Thammasat University, Bangkok Thailand 1992
Experiences
- Quantum PPP Consulting Limited
(previously named Warner Construction Consultants (Thailand) Limited)
Construction Contract and Claim Management Consulting
Managing Director, Forensic Delay Analyst, Construction Claim Consultant, Mediator 06/2010 – 2017 - PPP Consultants, Bangkok, Thailand
Construction Contract & Claim Management Consulting
Managing Director 02/2005 – present - Hill International, Inc., Washington, DC
Construction Claim Consulting Group
Claim Analyst / Consultant 06/1998 – 01/2005 - S.P. Electric Industry Co., Ltd., Power Transformer Manufacturing, Bangkok
Project Management and Planning 1992 – 1993
Highlighted projects
- West African Gas Pipeline Project, Nigeria, Ghana, Benin, Togo in Africa. During litigation process, providing a claim consulting, reviewing numerous drawing revisions and critical delays and schedule analysis for a main contractor (2011-2012)
- Package 5, Suwannaphum Airport, Phase 1, Thailand. Providing a claim consulting for the Owner’s representative in the preparation of arbitration. (2012-2013)
- NDIA – New Doha International Airport. Preparation of EOT claim submission for a MEP subcontractor (2011)
- XRL 822 TSE UK Tsuen to Shek Yam Tunnels, Hong Kong. As a third party consultant, evaluating the project delay and overbreak overrun for the Owner and Contractor during their third-party intervention (2016-2017)
- Housing development, Maiden Lane, UK. Preparation of EOT claim and VDO presentation (2016-2017)
- OSBL & ZLD Projects in Doha. Scheduling and EOT claim preparation (2017)
- MahaNakhon Project, Bangkok Thailand, 77-storey Condominium, providing contract, scheduling and document management consulting for MEP Contractor during the project (November 2013 to 2018)
- The River Condominium, Bangkok Thailand. Preparation of EOT and design change claim notice for MEP subcontractor (2012)
- The Met Condominium, Bangkok Thailand. 66-storey Condominium, providing claim management consulting for MEP subcontractor (2007)
- Show DC Project, Bangkok Thailand ((2015-2016)
- Zpell Project, Bangkok Thailand (2015-2016)
- Nissin Factory, Thailand. (2016)
- Capella Hotel Georgetown, Washington D.C., USA
- ERP system implementation, for a government in the US.
October 2007 – July 2008: Schedule Expert Witness Experience
- Samut Prakarn Wastewater Treatment Plant, Wastewater Collection System Construction, Samutprakan, Bangkok. Providing schedule and delay analysis for the Project, which are the construction of 210 manholes and installation of 26,784 linear meters of large-diameter pipelines.
August 2005 – October 2007: Project Consultant
- Chevron Asia South Limited, Bangkok, Thailand. Deploying and applying world class Capital Stewardship and the Gold Standard Assessment efforts in aiming to be the best performing SBU in CIEP. Enhancing CPDEP and project management skills in the SBU organization by conducting and organizing project management training workshops (06/2007 – 10/2007)
- Business Process Improvement Project at CUEL Limited, an Oil & Gas Platform EPCI Company aiming to completing construction projects on time and within reconciled costs. (08/2005 – 07/2006)
June 2003 – February 2005: Construction Claim Consultant
- “Big Dig” Central Artery/Tunnel Project, Boston, Massachusetts $14.6 Billion, most complex and technologically challenging highway project ever undertaken in the world. (Project duration: 2002-2005)
- Theater Provided Equipment Refurbishment Program (“TPER”), providing for Army line haul, medium tactical, and heavy tactical vehicles to receive regular maintenance as well as unscheduled maintenance and repairs, Kuwait (2005 – 2006)
- Four Seasons Hotel, Emerald Bay, Great Exhuma Island, Bahamas $110 Million, 470 acre World-Class Residential Resort and Hotel Construction Project (2005)
June 1998 – May 2003: Construction Claim Analyst – Various Projects
- $720M Ronald Reagan Building (Federal Triangle Project), Washington, DC
- $354M Bank One Ballpark Construction Project, Phase II & III Claims, 14th Street Tunnel Project, Washington Metropolitan Area Transportation Authority, Washington, DC
- Metropolitan Detention Center, Federal Bureau of Prisons, Miami, Florida
- National Oceanic and Atmospheric Administration Project, General Services Administration, Boulder, Colorado
- GSA Federal Building and U.S. Courthouse Project, Reno, Nevada
- GSA Office Building and U.S. Courthouse, Islip, New York. $212 Million Office Building and U.S. Courthouse Construction Project, a Richard Meier design. (Project duration: 1996 - 2000)
- Penuelas Combined Cycle Power Plant, Penuelas, Puerto Rico. $450 million combined cycle power plant construction project consisting of a combined cycle 507MW gas turbine powered cogeneration plant, an LNG pipeline, water lines, and a 2M gallon per day desalination plant. (Project duration: 1996 - 2000)
Training & Certificate
- FIDIC Module 2 & 3 Course:
Certificate: Claims and Disputes Resolution
Certificate: Understanding Dispute Adjudication Boards (DABs) (2020) - Consepsys, Document Control Professional in UK – 3 Online Courses
Certificate: Document Control: Managing the Risks related to Documentation
Certificate: EDMS Implementation
Certificate: Project Document Control (2019) - International Chamber of Commerce and Dispute Review Board Foundation,
Dispute Board Workshop (2018) - The Chartered Institute of Arbitrators Association, Thailand (CIArb), Thailand
Introduction to Mediation (2012) - Chevron Asia South, Thailand
CSOC Regular Certificate (2007)
Email: apirath.p@quantumppp.com
Chamnan Pichedpan
Senior Legal Advisor, Mediator
Education
- Barrister-at-law, Gray’s Inn, London (1979)
- Bachelor of Laws, Thammasat University (1972)
Experiences
Present
- Legal Advisor and Attorney
- Member of the Criminal Code Revision Committee, Office of the Council of State
- Consultant for The Consulting Engineers Association of Thailand
- Consultant for the Law Subcommittee, Council of Engineers
- Consultant for numbers of construction project owners, construction contractors, designers and construction consulting firms
- Guest speaker on construction contract and construction management
Past
- Member of the Board of the Government Pharmaceutical Organization
- Vice Chairman (2nd person) in Thai Health Promotion Foundation Committee (ThaiHealth)
- Member of the Public Health System Research Institute (HSRI) Committee
- กรรมการในคณะกรรมการสถาบันวิจัยระบบสาธารณะสุข (สวรส.)
- Legal Advisor and Construction Project Manager of Baiyoke Building 1
- Legal Advisor and Construction Project Manager of Baiyoke Building 2
- Chairman of the Construction Expedition Committee in Thai Health Promotion Foundation Committee (ThaiHealth)
The author of construction books
- Standard construction contract (September 2013)
- Construction problems (October 2014)
- Construction Management Consultant contract (May 2016)
- Construction Consultant Contract Management (October 2016)
- Construction Contract Management (December 2016)
- Claim and Dispute Management in Construction Projects (March 2017)
Dr. Narong Leungbootnak
Structure Expert and Mediator
Dr. Narong has 40 years of Advisor/ Project Director in Structure & Civil Design/Construction management for various kind of projects ie.power plant, highrise building, hospital, commercial building, office building, academic building, residential building, industrial building, transportation and infrastructure, master plan.
38 Years of doing Successful and teaching for civil under graduate student and construction management in graduate student in department of civil engineering Khon Kaen University
Education
- D. Eng. Construction Engineering, and Infrastructure Management, Asian Institute of Technology. Dissertation topic: Improvement of Rural Infrastructure Development Process In Thai Sub district Local government
- M. Eng. Structural engineering, Khon Kaen University. Thesis Topic: Computer Applications in Reinforced Concrete Design (Working Stress Method) (1983)
- B. Eng. Civil Engineering, Khon Kaen University. Thesis Topic: Lightweight Concrete Using Brick as Aggregate; Using Old Concrete as an Aggregate For Making Concrete. (1980)
License for Professional Practice
- Senior Professional civil engineer No. 1709
- Professional Sanitary Engineer No.428
- Project Management Professional No.1535706
Dr. Rung Prachathananukit
Senior Contract & Claim Consultant / Geotechnical Expert
Dr. Rung Prachathananukit is a Senior Contract and Claim Consultant and Geotechnical Engineer, the 111th Construction Engineer Battalion, Department of Engineer, Royal Thai Army, Thailand. The duty is to perform engineering consulting for army engineer task, usually when the army is asked to support civil constructions.
He examined over 20,000 software engineer timesheets and meeting minutes for developing labor analysis and as-built schedule on the world most complex traffic control system on the Big Dig project. He also worked on the Four Season Hotel construction project in Bahamas and GSA Office Building and U.S. Courthouse in New York.
In Thailand, Dr. Rung has project management experiences in various construction projects such as 623M Thai Baht Chaing Mai Night Safari Construction project, 350M Thai Baht Army Club Construction project. He is also a counsel on soil stability issues for an Army facility construction project.
Education
- B.Sc.(1st Honors) in Civil Engineering, Chulachomklao Royal Military Academy, Thailand 1995
- M.Sc. in Civil and Environmental Engineering, The George Washington USA. 1998
- D.Sc. in Civil and Environmental Engineering, The George Washington University, USA. 2002
- Command and General Staff College, Royal Thai Army (1st Honors), Thailand 2006
Experiences
- Royal Thai Army, Ratchaburi, Thailand Engineering Division 1995 - Present
- Warner Construction Consultants (Thailand) Limited Construction Management Consulting Group 2005 – Present
- Hill International, Inc., Washington, DC Technical Expert Construction Claim Consulting Group 2002 - 2003
Email: rungpra@hotmail.com
Vimonrat Yongchaitrakul
Madiator
She has experience in construction work since she started working as a project architect by applying his knowledge of architecture and coordination in a variety of projects such as residential buildings, hotels, office buildings, as well as building renovation work. And she brought those experience to apply in construction management for larger projects as a project manager and main coordinator, including the construction of the 13th Asian Games Competition Center, Thammasat University, Rangsit Campus, and the improvement of building usage from stadium to seminar center, auditorium, and office.
Project Management Consultancy (PMC) is a job that requires experience, knowledge, and coordination skills. The work starts from gathering conceptualization, building user needs, designer recruitment, and design management for various parts to meet the needs and budgets of numbers of projects, including sports stadium, international school, exhibition center, auditorium, multi-purpose building as well as Design & Build projects.
She also has opportunities to share his knowledge and experience as a special guest speaker at Kasetsart University, Sripatum University, Dusit Technical College, and the Consulting Engineers Association of Thailand.
Education
- Master of Science in Construction Management
Faculty of Architecture, Sripatum University
Thesis topic: Construction Project Knowledge management by Social Networking Service (2015) - Bachelor of Architecture, Major in Architecture, Chulalongkorn University (1989)
License for Professional Practice: Arch. 2674, Associated Archiect.
Experiences
- Construction Supervision and Management (CM) for 7 to 30-floor Office / Residential Building, Sports Club, Sports Center (13th Asian Games Competition Center, Thammasat University, Rangsit Campus)
- Hotels & Resorts, Office Buildings, International Schools, building usability work such as the improvement of building usage from gymnasium to conference center, bank headquarter, medical center, retail stores (200 branches of Lotus Express)
- Project Management Consultancy (PMC) for International School, Building Structure Inspection, Requirement preparation for Design Competition and Design Management, Building Renovation for the Universiade (Thammasat University, Rangsit Campus), Convention Center (Mahidol University, Salaya Campus), Hotels & Resorts, Corporate Office Building, Design & Build Project
Suphot Jiamjarasrangsri
Mediator
Mr. Suphot graduated with a Master of Engineering. (Civil Engineering) from Chulalongkorn University in 1989 and is currently the Executive Chairman of Plan Consultants Co., Ltd. with over 40 years of experience in construction supervision and construction contract preparation in cooperation with the Consulting Engineers Association of Thailand (CEAT) in 2015 and 2016.
He has also been a guest lecturer at the Faculty of Architecture, Chulalongkorn University since 1994 until the present, and a member of the Sub-Committee on Construction Management of the Engineering Institute of Thailand under H.M. the King's Patronage (EIT), an executive committee of the Consulting Engineers Association of Thailand (CEAT). Besides he has been invited to be a guest speaker in more than 20 construction seminars for many organizations.
Education
- Sarasit Phittayalai School, Ban Pong District, Ratchaburi Province, 1973
- Triam Udom Suksa School (Phayathai), Bangkok, 1975
- Bachelor of Engineering (Civil Engineering), Chiang Mai University, 1979
- Master of Engineering (Civil Engineering), Chulalongkorn University, 1989
- MINI MBA for executive development, Thammasat University, 1991
Experiences
As a contractor
- 1980 – 1981, Nana Engineering Co., Ltd., Field Engineer
- 1982 - 1983 Klong Yotha Co., Ltd., Project Engineer
As an executive and construction project manager
- 1981 – 1990 Plan Architect Co., Ltd.
Field Engineer (1981 - 1982)
Project Engineer (1983 - 1987)
Field Manager (1987-1990) - 1990 – 1997 Plan Consultants Co., Ltd.
Project Manager (1990 - 1995)
Construction Management and Site Supervision Manager (1994 - 1998)
Deputy Managing Director and Executive Director (1997 - 1998) - 1998 - 2016 Plan Consultants Co., Ltd., Managing Director
- 2016 - Present, Plan Consultants Co., Ltd., Present Chairman of the Executive Committee
Social Activities
- Special Lecturer
- Faculty of Architecture, Chulalongkorn University since 1994 – present
- Graduate Studies in Civil Engineering, Mahanakorn University of Technology, 17 August 2002 and 14 August 2004 - Working group for the rules and regulations improvement of the Council of Engineers in license application - juristic person, the Council of Engineers Thailand
- Graduate Studies Committee at Faculty of Engineering, Chiang Mai University for engineering and construction management courses setup (new courses in 2004 and 2010)
- Qualified representative from the Engineering Institute of Thailand (EIT) In advising Thai Airways International Plc. on the responsibility of professional designer practice in the case of the inaccurate average price of the architectural/structural tenders, the commercial activities of Thai Airways International Plc.
- Member of INTERNATIONAL ASSOCIATION FOR BRIDGE AND STRUCTURAL ENGINEERING (IABSE) since 1996 – present
- Engineering and Business Management Program Committee (EBM), Faculty of Engineering and Thammasat Business School, Thammasat University, 2009-2013
- Construction Management Sub-Committee, the Engineering Institute of Thailand under H.M. the King's Patronage (EIT) since 1997 - present
- Construction Management Sub-Committee 1997 - 2002
- Chairman of the Construction Management Sub-Committee, 2002-2003 and 2004-2005
- Advisor to the Construction Management Sub-Committee, 2005 - Present - The Board of Directors of the Consulting Engineers Association of Thailand (CEAT)
- Committee, 2007-2009
- Academic Vice President, 2009 - 2011 and 2011 - 2013
- Domestic Vice President, 2013 - 2015
- Secretary-General of the Consulting Engineers Association of Thailand (CEAT), 2015 – May 2021
- Advisor to the Consulting Engineers Association of Thailand (CEAT), May 2021 – Present - Special Expertise for professional knowledge test of ordinary engineer in Civil Engineering, the Council of Engineers, 2009 - Present
- Negotiation and settlement of disputes arising in construction project, “Construction Management Techniques for Controversy Elimination”
November 16-17, 1995, at the Imperial Queen's Park Hotel, Bangkok. - Negotiation and settlement of various disputes in construction project, “How to manage the construction project to avoid any possible delays and disputes”
April 25-26, 1996, at Regent Hotel, Bangkok - “Conflict management techniques and construction project completion for successful handover”
September 20-21, 1996, at The Emerald Hotel, Bangkok, class 1
March 21-22, 1997, at The Emerald Hotel, Bangkok, class 2 - Guidelines for potential development of civil engineers in the construction industry, General Conference of the Engineering Institute of Thailand (Construction Management) on November 16, 2000, at Bangkok International Trade & Exhibition Centre (BITEC)
- Special Lecture on “Civil Engineering Management” of the Engineering and Business Management (EBM) Program, Faculty of Engineering and Thammasat Business School, Thammasat University on January 12, 2010, at Meeting Room 702, Administration Building. Faculty of Engineering, Thammasat University, Rangsit Campus
- Lecture on “Construction Planning and Supervision Experience”, Department of Architecture, Faculty of Architecture, Chulalongkorn University on September 21, 2011
- Special Lecture on “Scope and Duties of Construction Management” February 4, 2012, Department of Architecture. Faculty of Architecture Chulalongkorn University
- Special Lecture on "Professional Engineering Services" and "Service fee for Engineering Professions" in the National Engineering Fair organized by the Engineering Institute of Thailand under H.M. the King's Patronage (EIT) on November 15, 2013, at IMPACT Exhibition and Convention Center, Muang Thong Thani
- Special Lecture on “Scope of Service in Construction Management”, Department of Architecture, Faculty of Architecture, Chulalongkorn University on March 3, 2021
Krit Pasit
Executive Consultant, MEP Expert, Madiator
Mr. Pasit is an experienced construction management consultant since 1992 in construction contract management, claim management and project management on mega construction and property projects such as the Four Season Residences project AEC Market, Stock Exchange of Thailand, SET Head Office, the Parliament House of Thailand, MRT Purple Line, Bang Yai – Bang Sue Section in Thailand.
His extensive experiences are successfully leading a MEP team of Powerline Engineering PCL. His negotiation and communication skills along with his commercial and contractual positive mindsets are his strengths in negotiation and analysis of any claims or disputes in various kinds of construction projects.
He has outstanding technical, contract and management experience in construction projects; analysis of project delay and cost-overrun, evaluation of labor productivity and inefficiency, evaluation of project damages, analysis of CPM scheduling and performance and business performance optimization.
Education
- Executive MBA Kasetsart University Bangkok 2012
- B.Eng. in Electrical Kasetsart University, Bangkok 1988
- BS in Occupational Health and Safety Sukhothai Thammathirat University 2015
- BBA in Construction Management Sukhothai Thammathirat University 2012
- BS in Information Technology & Communication Sukhothai Thammathirat University (expected completion in 2021)
- Registration: สฟก 5672
Project Experience
- G Tower Grand Rama 9, Bangkok TH
- Four Seasons Residences, Bangkok TH
- AEC Market, Bang Pa-in, Ayutthaya TH
- Stock Exchange of Thailand, SET Head Office, Bangkok TH
- New Supremecourt Building, Bangkok TH
- The Parliament House of Thailand, Bangkok TH
- Central Plaza WestGate, Nonthaburi
- MRT Purple Line, Bang Yai - Bang Sue Section, Nonthaburi
- Siam Square One, Bangkok TH
- Central Chiangrai, Chaingrai
- Siam Niramit Phuket, Phuket
- Intercontinental Hua Hin Resort, Hua Hin
- JW Marriott Phuket Resort SpaMoevenpick Resort, Dubai
- Assumtion Bangrak School, Bangkok TH
- Salee Factory, Prathumtani
- The Height Condominium, Bangkok TH
- Energy Display Center, Bangkok TH
- Central World Tower, Bangkok TH
- Royal Bangkok Sport Club, Bangkok TH
- Bangkok Christian College, Bangkok TH
- Tipco Head Quarters, Bangkok TH
- Thana City Golf & Country Club, Bangkok TH
- Ladprao Hospital, Bangkok TH
- A Luxuary Resort in Maiton Island, Phuket a Central Facilities E.G. Sport Club
Affiliations
- Thai Electrical and Mechanical Contractors Association (TEMCA), Membership
- The Engineering Institute of Thailand (EIT), Membership
- Council of Engineering (COE), Membership
Experiences
- Quantum PPP Consulting Limited
- Executive Construction Consultant
- Construction Contract and Claim Consulting (12/2020 – present)
- Powerline Engineering PCL
- Executive Vice President
- MEP Divisions (1992 – mid of 2020)
- Consultants of Technology Co., Ltd.
- Electrical Engineer (Project coordinator) (1988 – 1992)
Niwat Thanpitinan
Construction Contract Expert, Mediator