Job Description

The Mechanical Quantity Surveyor is responsible for all quantity, commercial, and cost-control functions related to mechanical works for a major ADNOC construction project. This includes piping, tanks, mechanical equipment, static/dynamic equipment installation, and associated industrial systems. The role requires strong familiarity with ADNOC contractual procedures, measurement standards, and EPC project documentation.
JOB RESPONSIBILITIES:

• Perform detailed quantity take-offs for mechanical works: Piping (CS, SS, GRE, RTR, HDPE), Mechanical equipment installation, Tanks, vessels, skids, and package units, Valves, supports, spools, and prefabricated assemblies
• Verify quantities against IFC drawings, isometrics, P&IDs, MTOs, and site installations.
• Track and maintain quantity logs, measurement sheets, and client verification records as per ADNOC requirements.
• Prepare monthly payment applications (client & subcontractor) as per approved ADNOC formats.
• Support preparation of cost forecasts, CVR (Cost Value Reconciliation), and budget updates.
• Monitor consumption of materials, installed quantities, and productivity to identify changes and potential overruns.
• Review subcontractor invoices, measurement sheets, and provide certification recommendations.
• Support Commercial/Contracts team in:
• Preparing variation claims (VOs) with detailed quantity build-ups and justifications.
• Evaluating subcontractor claims and preparing back-charge submissions.
• Preparing contractual correspondence and contractual notifications.
• Ensure all documentation complies with ADNOC contract requirements and audit standards.
• Conduct regular site inspections to verify installation progress and validate executed quantities.
• Coordinate closely with mechanical construction teams, engineering, procurement, and subcontractors.
• Ensure alignment of mechanical progress with the project controls and planning teams.
• Prepare weekly/monthly mechanical quantity and cost reports for internal and client submission.
• Highlight trends, deviations, and commercial risks to project leadership.
• Maintain meticulous records of RFIs, NCRs, field change requests, and as-built updates affecting quantities.

KEY QUALIFICATIONS

• Bachelor's Degree in Mechanical Engineering or Quantity Surveying.
• 7-12 years of relevant QS experience in Oil & Gas mechanical construction.
• Strong knowledge of piping, tanks, mechanical equipment installation, and industrial systems.
• Experience working on ADNOC Onshore/Offshore projects (ADNOC approval preferred).
• Proficiency in MS Excel, AutoCAD/2D review tools, and QS documentation.
• Previous or valid ADNOC Approval as Mechanical QS. (PREFERRED)
• CICPA security pass or eligible to obtain one. (PREFERRED)
• Experience with EPC lump-sum and re-measurement contracts. (PREFERRED)
• Familiarity with ADNOC measurement procedures and cost control systems. (PREFERRED)

VERTICAL
ENGINEERING

Skills Required