Apiporn Soparak
Bangkok
Summary
Results-driven construction professional as a senior quantity surveyor, experience of 19+ years, with extensive experience in cost estimation, contract management, and drive success in fast-paced environments. Strong focus on team collaboration and adaptability, ensuring seamless project execution. Highly skilled in cost control, negotiation, and risk management, consistently delivering on budget and within scope. Known for analytical thinking and effective communication, fostering reliable partnerships and achieving project goals.
Overview
21
21
years of professional experience
1
1
Certification
Work History
Cost Manager (CSA), DAMAC Data Centre Project
China State Construction Engineering (Thailand)
08.2025 - Current
- Managed project budgets and forecasts to ensure financial accuracy and accountability.
- Analyzed cost proposals and contract negotiations for optimal pricing strategies.
- Developed comprehensive cost management frameworks to enhance efficiency across projects.
- Led cross-functional teams in identifying cost-saving opportunities and implementing best practices.
- Created detailed project budgets, aligning them with the organization's strategic goals and objectives.
- Prepared estimates used by management for purposes such as planning, organizing, and scheduling work.
- Monitored project progress to identify and address changes in project scope or budget.
Senior Quantity Surveyor, Thai Oil - CFP Project
Petrofac
Chon Buri, Chon Buri
08.2020 - 08.2025
- Helped determine the construction manager's requirements and undertake feasibility studies.
- Benchmarking requirements against similar projects.
- Resolving contractual and commercial problems.
- Assessing and comparing options.
- Assessing value for money.
- Undertaking risk management and value management exercises.
- Preparing bills of quantities.
- Preparing tender and contract documents.
- Assessing tenders.
- Estimating the cost of variations.
- Preparing valuation statements for interim certificates.
- Assisting with the valuation of claims.
- Conducted detailed cost analysis and estimations for construction projects to ensure budget adherence.
- Preparing the final account and collaborating with project managers and engineers to devise effective strategies for project delivery, the construction
- Collaborated with cross-functional teams to optimize procurement strategies, enhancing supplier relationships and reducing costs.
- Managed cost estimation processes for large-scale oil and gas projects, ensuring accuracy and compliance with industry standards.
- Developed and maintained detailed project budgets, facilitating effective financial management throughout project lifecycles.
- Conducted value engineering assessments to identify cost-saving opportunities without compromising quality or safety.
Senior Quantity Surveyor
Altus Capital Partners / Truss Development Asia Co., Ltd.
Bangkok, Bangkok
05.2019 - 07.2020
- Liaison with estimating to take responsibility for projects from contract award through to final account agreement.
- Cost management.
- Reporting progress to the project director.
- Supply chain procurement.
- Review and compilation of supply chain contract documentation.
- Management and administration of contractors' accounts.
- Measurement, pricing, and valuation of post-contract variations.
- Producing and submitting payment applications.
- Ensured the maintenance of accurate records throughout the entire project lifecycle, encompassing invoices and received payments.
- Developed detailed quantity take-offs for construction projects to enhance accuracy in budgeting processes.
- Collaborated with project managers to assess risks and implement effective mitigation strategies.
- Led cost management initiatives, ensuring budget adherence and optimizing financial performance.
- Worked with 10+ vendors to select and source construction materials.
Senior Quantity Surveyor
WTP Partnership (Thailand) Co., Ltd.
Bangkok, Bangkok
10.2018 - 05.2019
- Led workshops and meetings with project teams and stakeholders to align cost management strategies.
- Assisted in preparing bills of quantities, schedules of rates, and pricing structures for various construction projects.
- Helping to determine the client's requirements and undertaking feasibility studies.
- Assessing and comparing options.
- Helping to define the project budget.
Senior Quantity Surveyor
China State Construction Engineering (Thailand)
Bangkok, Bangkok
12.2017 - 10.2018
- Advised on cost-effective construction methods.
- Helping to define the project budget.
- Attended bid conferences and meetings for progress.
- Checking developing designs against the project budget.
- Assessing value for money.
- Checking that the design meets legal and quality standards.
- Undertaking risk management and value management exercises.
- Preparing cost plans and estimates.
- Advising on procurement strategy.
- Preparing bills of quantities.
- Preparing tender pricing documentation.
- Collating and issuing tender documentation, including assessing tenders.
- Checking and verifying quantities.
- Managing cost management and estimating the cost of variations.
Senior Quantity Surveyor
Cheng Long Construction Group (Thailand)
Bangkok, Bangkok
05.2017 - 12.2017
- Preparation of the cost plan and carrying out cost studies.
- Advised on cost-effective construction methods.
- Attended bid conferences and meetings for progress.
- Establishing the work packages for all contractors for projects.
- Managing cost management and preparation of bills of quantity.
Senior Quantity Surveyor
Trust Development Co., Ltd.
Bangkok, Bangkok
01.2016 - 01.2017
- Preparation of preliminary cost advice and approximate estimating.
- Preparation of the cost plan and carrying out cost studies.
- Advising all nominated subcontractors and suppliers to submit their applications for payment before the interim valuation date.
- Identify and track all changes, or potential changes, to the project scope, ensuring estimates of cost change and schedule impact are given visibility with the client, materials control, and project management.
- Prepare presentation materials and basic established budgets derived from the original work scope/conceptual design.
- Valuation of variations that arise as the work proceeds, / Value Engineer (VE).
- Communicating with clients and teammates to gather information for project delivery, ensuring adherence to timelines, budgets, and quality standards.
Cost Engineer
Aurecon Consulting (Thailand) Co., Ltd.
Bangkok, Bangkok
01.2014 - 01.2016
- Reviewing and evaluating development proposals.
- Preparing cost plans and cost studies.
- Preparing the project budget and cost performance baselines.
- Preparing progress payments, variation orders (VO), and Value Engineering (VE) to propose the efficient identification of unnecessary costs.
- Preparing a comparison of the cost schedule for the budget.
- Preparing construction progress and completion reports.
- Calculate future costs, considering the rise in the price of raw materials, wage rates, and risk analysis.
- Preparing cost reports based on activity-based costing.
- Closing project costs and preparing closing reports, including final accounts.
- Analysed cost estimates to ensure accuracy and completeness.
- Managed cost estimation processes for engineering projects, ensuring accuracy and compliance with industry standards.
- Assessed contract documents to mitigate financial risks and ensure compliance with contractual terms.
- Optimized resource allocation for increased efficiency in project delivery.
Cost Engineer
HHT Construction Co., Ltd.
Bangkok, Bangkok
01.2014 - 12.2014
- Preparing project budgets.
- Preparing cost management plans.
- Preparing invoices for clients and subcontractors.
- Documenting approval and disapproval issues.
- Contract administration for both main and subcontracts.
- Preparing revised bills of quantities.
- Preparing variation orders, including pricing for new items.
- Preparation of interim valuations to effect progress payments.
- Preparing progress payments, variation orders (VO), and Value Engineering (VE) to propose the efficient identification of unnecessary costs.
- Preparing the cost report and final account.
- Collected data and information from vendors, subcontractors, and teammates to determine exact costs for all aspects of each project.
- Managed cost estimation processes for engineering projects, ensuring accuracy and compliance with industry standards.
- Presented detailed cost analysis reports to stakeholders, facilitating informed decision-making throughout project lifecycles.
Cost Engineer / Quantity Surveyor
Langdon & Seah (Thailand) Ltd.
Bangkok, Bangkok
01.2005 - 12.2010
- Preparation of preliminary cost advice and approximate estimating.
- Preparation of cost plan and cost studies, and bills of quantities (BOQ).
- Evaluation of contractors' tenders received, with recommendations for acceptance or rejection (Pre-Contract).
- Preparation of contract documentation for contractor selection and construction project administration.
- Preparation of a comparison cost schedule for the budget.
- Created detailed cost reports for review by management.
- Developed pricing strategies for different types of contracts.
- Periodically assessing the remaining requirements of resources.
- Preparing progress payments, variation orders (VO), and Value Engineering (VE) to propose the efficient identification of unnecessary costs.
- Preparation and agreement of the final account with the contractors.
- Monitored project costs against budgeted amounts and adjusted accordingly.
- Developed processes to track changes in project scope and their impact on budgets.
Education
Bachelor of Civil Engineering -
King Mongkut's University of Technology
Bangkok03.2005
Diploma of High Vocational Education - Construction
Lopburi Technical College
Lopburi Province03.2002
Diploma of Vocational Education - Construction
Lopburi Technical College
Lopburi Province03.2000
Skills
- Communication Skills
- Complex Problem-Solving & Analytical Skills
- Interpersonal Skills
- Adaptability
- Budgeting Activities
- Cost Estimation & Value Engineering
- Contract Administration
- Project Management
- Construction Methods
- Feasibility Studies
Websites
Certification
- Certificate of Completion, LEED v5 for Design and Construction: Building a Better Future (Workshop). Course presented by U.S. Green Building Council, August 2025.
- Licensed Professional Engineer, The Council of Engineers Thailand (2008).
- Member, Thailand Structural Engineers Association (TSEA), 2025.
- Certified Business English Course, New Cambridge Institute (Thailand), 2015.
- Certified Confined Space Training, Safe operating procedures in confined spaces; Duties of the support personnel for confined spaces (Health and safety).
- Certified ISO 9001 – Internal Auditor Training Course, Bureau Veritas Certificate (Thailand) Ltd., 2015.
- Certified Practical Project Management, Technology Promotion Association (Thailand – Japan), 2015.
PERSONAL INFORMATION
- Place of Birth: Ubon Ratchathani Province, Thailand
- Nationality: Thai
References
Werner, Stemmet, Senior Manager, Subcontracts, werner.stemmet1@petrofac.com, +97165176170, Petrofac, Sriracha, Chonburi, Thailand
Hobbies and Interests
Read books, Listening to podcasts, Connect with others to learn new things, such as professionals or experts in AI technology and data analytics, by learning on LinkedIn and enrolling in online courses., Interested in AI Technology, gaining more knowledge in data analysis and business data analysis., Passionate about LEED, learning, and preparing to be a LEED Green Associate Professional (USGBC)., Interested in sustainable building, green design innovation, modern design, new technologies, eco-friendly materials, and renovation., Renewable energy and Climate technology., Interested in the software engineering program (Primavera P6), cost management, and Building Information Modelling (BIM Software)., Learning the English language style, for example, listening, reading, writing, and speaking, and studying the IELTS (Academic Module).
Languages
English
Full Professional
Software
Estimation Software: CostX, Bluebeam Revu
Design: AutoCAD
Project Management: MS Project
Data Analysis: Power BI (CPD)
Spreadsheets: Excel, Google Sheets (data analysis-CPD)
MS Office Suite (Word, Excel, PowerPoint, Outlook, Teams, OneNote)
Interests
Read books, write blogs, listen to podcasts, and connect with others to learn new things, such as professionals or experts in AI technology and data analytics, by learning on LinkedIn and enrolling in online courses
Work Preference
Work Type
Full TimeTimeline
Cost Manager (CSA), DAMAC Data Centre Project
China State Construction Engineering (Thailand)
08.2025 - Current
Senior Quantity Surveyor, Thai Oil - CFP Project
Petrofac
08.2020 - 08.2025
Senior Quantity Surveyor
Altus Capital Partners / Truss Development Asia Co., Ltd.
05.2019 - 07.2020
Senior Quantity Surveyor
WTP Partnership (Thailand) Co., Ltd.
10.2018 - 05.2019
Senior Quantity Surveyor
China State Construction Engineering (Thailand)
12.2017 - 10.2018
Senior Quantity Surveyor
Cheng Long Construction Group (Thailand)
05.2017 - 12.2017
Senior Quantity Surveyor
Trust Development Co., Ltd.
01.2016 - 01.2017
Cost Engineer
Aurecon Consulting (Thailand) Co., Ltd.
01.2014 - 01.2016
Cost Engineer
HHT Construction Co., Ltd.
01.2014 - 12.2014
Cost Engineer / Quantity Surveyor
Langdon & Seah (Thailand) Ltd.
01.2005 - 12.2010
Bachelor of Civil Engineering -
King Mongkut's University of Technology
Diploma of High Vocational Education - Construction
Lopburi Technical College
Diploma of Vocational Education - Construction
Lopburi Technical College