Lakshan Chamara Karunarathna
Auckland,New Zealand
Summary
Dynamic Quantity Surveyor with extensive experience at Coninnova (Pvt) Ltd., excelling in cost estimating and stakeholder management. Proven track record in delivering accurate BOQs and enhancing procurement processes, resulting in improved project efficiency. Proficient in CostX and adept at negotiation, driving successful outcomes in complex construction environments.
Overview
16
16
years of professional experience
Work History
Quantity Surveyor & Project Coordinator
Coninnova (Pvt) Ltd.
Auckland, New Zealand
2024.10 - Current
- Completed multidisciplinary take-offs (civil, architectural, fit-out, MEP) to support tender submissions, BOQs/SOQs and procurement planning.
- Coordinated pre-contract take-offs and post-contract commercial tasks to ensure timely procurement and progress reporting.
- Coordinated with client, architect, suppliers and subcontractors to clarify scope, finalise quantities and reduce rework and cost risk.
- Facilitated collaboration among client, consultant, and suppliers for residential build in Taupō region.
- Evaluated and certified subcontractor/supplier payment applications; supported accurate accruals and cost-to-complete updates.
- Prepared progress reporting and material reconciliations to improve cost visibility and decision-making.
Quantity Surveyor & Estimator
Camex Civil
Taupō, New Zealand
2023.01 - 2024.09
- Selected projects: Bidfood Warehouse (Taupō), Taupō Airport Car Park, Taupō Town Centre Development, Wairakei Drive Roundabout Construction, Kinloch Water Supply Upgrade, Subdivisions, road upgrades/widening, footpaths and landscaping.
- Delivered take-offs and estimates from drawings/specifications to finalise SOQs and support tender comparisons and pricing decisions.
- Prepared and submitted interim progress payment applications and variations; maintained substantiation and current registers for transparent change control.
- Produced accruals, cost-to-complete (CTC), and CVR-style reporting; issued POs and facilitated effective cost tracking across multiple concurrent projects.
- Managed subcontractor quotations, payments, change orders, payment certificates, bonds, and guarantees to ensure timely project execution.
- Prepared material reconciliations and progress reports to enhance forecasting accuracy and cost predictability.
- Supported final account preparation and negotiations; ensured records were complete and aligned to contract requirements.
Quantity Surveyor (Estimation)
Delta Al Emirates
, United Arab Emirates
2022.06 - 2022.11
- Prepared BOQs and cost estimates; executed detailed take-offs for civil, architectural, fitout, and MEP scopes to enhance project accuracy.
- Utilized PlanSwift for take-offs supporting SOQs and variation pricing; coordinated with design and procurement teams to ensure quantities and scope alignment.
- Managed cost estimation for construction projects across various sectors.
- Conducted thorough analysis of project documentation and specifications.
- Collaborated with project managers to optimize budgets and resource allocation.
Quantity Surveyor & Project Coordinator
Al Jaber Engineering W.L.L
Doha, Qatar
2018.07 - 2021.12
- Selected projects: Hamad New Port - Strategic Food Security Facilities (Design & Build, USD 456.16M).
- Prepared interim payment applications, variations, and accrual reporting; monitored costs against budget to facilitate informed commercial decision-making.
- Supported procurement and subcontract administration by managing RFQs, change orders, and payment applications/certificates, ensuring timely processing of purchase orders.
- Measured multidisciplinary building/MEP works (structure, fit-out, plumbing, drainage, firefighting, HVAC, electrical) to ensure accuracy for pre-contract and change control.
- Compiled material reconciliations and progress reporting to strengthen cost tracking and forecasting.
Quantity Surveyor
FitzWilliam Consultants (Chartered Quantity Surveyors & Construction Cost Management)
Doha, Qatar
2015.07 - 2018.06
- Evaluated and certified interim payment applications and variations, ensuring contract compliance and delivering accurate valuations.
- Prepared BOQs and cost estimates; performed AutoCAD take-offs for fit-out and MEP-related scopes to facilitate SOQs and variation pricing.
- Produced progress reports and cost analyses that supported client cost control and enhanced governance.
- Selected projects: Waldorf Astoria Hotel Tower (USD 233M), JW Marriott Hotel Tower (USD 130M).
Quantity Surveyor (Civil)
Provincial Road Development Authority
, Sri Lanka
2011.09 - 2015.02
- Office- and site-based civil QS support across roading works, assisting with measurement, valuations, variations and cost tracking.
- Facilitated interim valuations/progress payment preparation by compiling measurement evidence, delivery dockets, and relevant site documentation.
- Managed variation/change control by measuring changes, pricing variations, and maintaining variation registers and supporting files.
- Executed site measurements/re-measures and maintained quantity backup (field notes, marked-up drawings) to ensure accurate commercial records.
- Prepared and updated BOQs/measurement sheets from drawings and site notes for earthworks, pavements and drainage-related items.
- Liaised with engineers, site teams and contractors to clarify scope/quantities and keep documentation organised for close-out and final account support.
- Assisted with basic cost tracking by comparing commitments and actuals.
Assistant Quantity Surveyor
Thissa Builders & Contractors (Pvt) Ltd.
, Sri Lanka
2011.02 - 2011.08
- Supported senior QS in quantity take-offs from drawings and site information; organized measurement notes and spreadsheets for clarity and accuracy.
- Compiled and organized documentation for progress valuations, ensuring comprehensive measurement backups, delivery dockets, and timesheets/dayworks notes.
- Supported variation pricing by measuring changed scope and organising substantiation documents (instructions, sketches, marked-up drawings).
- Facilitated subcontractor/supplier enquiries and developed comparison summaries, confirming scope alignment and completeness of paperwork.
Trainee Quantity Surveyor
Maga Engineering (Pvt) Ltd.
, Sri Lanka
2010.07 - 2011.01
- Assisted with quantity take-offs from drawings and site measurements under supervision, maintaining accurate measurement logs for project tracking.
- Updated BOQ/SOQ spreadsheets and organised supporting documents (drawings, notes, delivery dockets) to learn QS record-keeping standards.
- Compiled backup for interim valuations and variations (measurement notes, marked-up plans), contributing to understanding of payment assessment processes.
- Supported material reconciliation and cost tracking in Excel, aiding development of commercial control skills.
Education
BSc (Hons) - Quantity Surveying and Construction Management
Sheffield Hallam University
UKBTEC Level 5 HND - Quantity Surveying & Building Economics
Pearson Education Ltd.
UKHVAC Design and Training Certificate -
Arabian Infor Tech Training Institute
QatarNational Certificate - Civil Engineering
Technical College, Kegalle
Kegalle, Sri LankaSkills
- Quantity take-offs and BOQs/SOQs
- Cost estimating and tender evaluations
- Supplier and subcontractor engagement
- Trade comparisons and scope comparisons
- First-principles build-ups and RFQs
- Progress claims and valuations
- Change control and final accounts
- Record keeping and compliance
- Accruals and cost-to-complete
- Cost analysis and cashflow inputs
- Reconciliation and stakeholder management
- Negotiation and issue resolution
- NZS 3910:2013 and FIDIC 1999
- NRM2 and CESMM3 standards
- CostX 65 and PlanSwift software
- Procore, AutoCAD, JD Edwards, MYOB, MS Office, CCS Candy expertise
Education Memberships
- BSc (Hons), Quantity Surveying and Construction Management, Sheffield Hallam University (UK)
- BTEC Level 5 HND, Quantity Surveying & Building Economics, Pearson Education Ltd. (UK)
- HVAC Design and Training Certificate, Arabian Infor Tech Training Institute (Qatar)
- National Certificate in Civil Engineering, Technical College, Kegalle (Sri Lanka)
- NZIQS Affiliate Member, M13914
Licenses Work Eligibility
- New Zealand Full Driver Licence, F endorsement
- NZ Resident Visa, Two weeks
Community
- Volunteer Firefighter, Lake Taupō Volunteer Fire Brigade, M-813893-01
- Volunteer, Red Cross Retail Shop
References
Available upon request.
Systems Tools
- CostX 6.5
- PlanSwift
- Procore
- AutoCAD
- JD Edwards (JDE)
- MYOB
- MS Office (Advanced Excel)
Key Highlights
- Delivered tender measurement and estimating (civil/architectural/fit-out/MEP) using CostX/PlanSwift/AutoCAD; produced BOQs/SOQs and scope alignment to support competitive bids.
- Managed post-contract commercial cycles: interim progress claims, variations and change registers, subcontractor/supplier payment processing, and final account support.
- Produced accruals, cost-to-complete (CTC) and CVR-style reporting with strong Excel capability; supported monthly cost reporting and forecasting across concurrent projects.
- Major project exposure: Hamad New Port Strategic Food Security Facilities (Design & Build, USD 456.16M) and hotel tower developments including Waldorf Astoria (USD 233M) and JW Marriott (USD 130M).
Timeline
Quantity Surveyor & Project Coordinator
Coninnova (Pvt) Ltd.
2024.10 - Current
Quantity Surveyor & Estimator
Camex Civil
2023.01 - 2024.09
Quantity Surveyor (Estimation)
Delta Al Emirates
2022.06 - 2022.11
Quantity Surveyor & Project Coordinator
Al Jaber Engineering W.L.L
2018.07 - 2021.12
Quantity Surveyor
FitzWilliam Consultants (Chartered Quantity Surveyors & Construction Cost Management)
2015.07 - 2018.06
Quantity Surveyor (Civil)
Provincial Road Development Authority
2011.09 - 2015.02
Assistant Quantity Surveyor
Thissa Builders & Contractors (Pvt) Ltd.
2011.02 - 2011.08
Trainee Quantity Surveyor
Maga Engineering (Pvt) Ltd.
2010.07 - 2011.01
BSc (Hons) - Quantity Surveying and Construction Management
Sheffield Hallam University
BTEC Level 5 HND - Quantity Surveying & Building Economics
Pearson Education Ltd.
HVAC Design and Training Certificate -
Arabian Infor Tech Training Institute
National Certificate - Civil Engineering
Technical College, Kegalle