Vishnu Vijayakumar Unnithan
Construction Manager
Summary
Dynamic and results-driven Piping Construction Manager with 14+ years of experience leading large-scale oil and gas projects. Proven ability to successfully plan, execute, and complete complex piping projects within budget and schedule, while adhering to the highest safety and quality standards. Expertise in all phases of construction, from design and procurement to installation, testing, and commissioning. Possesses strong leadership, communication, and problem-solving skills, with a demonstrated track record of building and motivating high-performing teams Adept at risk mitigation, stakeholder collaboration, optimizing work flows, implementing industry best practices and delivered projects on schedule.
Overview
14
14
years of professional experience
Work History
Deputy Manager
Mark Technologies
01.2023 - Current
- Led and managed piping construction activities for the 11 Patterns Well Hookup and Associated Piping Works ensuring compliance with ASME, API, and client specifications
- Collaborate with engineering, procurement, and project control teams to ensure smooth project flow
- Developed and implemented detailed construction plans, schedules, and budgets, monitored progress, and resolved technical challenges to maintain project timelines ensuring efficient resource allocation and cost control
- Oversaw all aspects of piping construction, including material procurement, fabrication, installation, welding, testing, and commissioning
- Effectively communicated project progress and performance to stakeholders, including clients, management, and contractors
- Implemented HSE best practices, conducted safety audits, and ensured a zero-incident worksite
- Provided technical support to engineering, procurement, and commissioning teams, enhancing cross-functional collaboration
- Controlled budgets, reduced project costs through value engineering, and improved efficiency
Lead Engineer
Dodsal Engineering & construction
04.2016 - 12.2022
- Lead and managed the Piping construction activities of the 750 million New Gathering Centre, GC-31 EPC project in North Kuwait from the Initial stage to the Turnover Date
- Develop construction strategies, schedules, and work breakdown structures (WBS) for piping activities
- Ensure piping fabrication, installation, and testing align with the project execution plan
- Collaborate with Coordinated with engineering, procurement, and project control, fellow disciplines addressing any issues that arose during the construction process to keep projects on track to ensure smooth project flow
- Lead the piping construction team of Engineers, supervisors, foremen and Direct Resources ensuring the smooth completion of the fabrication of 450000 ID, erection of 22000 spools and Hydrotesting of 1450 Test packs
- Monitor daily progress, ensuring work is executed as per specifications, drawings, and client requirements
- Oversee material management, ensuring timely delivery and availability of pipes, fittings, and supports
- Attend progress review meetings and provide weekly/monthly reports on piping activities with client representatives
- Address technical queries (RFIs) and coordinate with design teams for necessary changes and modifications
- Monitor project budgets, cost estimates, and resource allocation to prevent overruns, optimize manpower, equipment, and material usage to maximize efficiency
- Calculations and supervision for the hydrostatic testing, flushing, leak testing and purging of the piping systems
- Ensure completion of punch lists before mechanical completion and system handover
- Coordinate with the commissioning team for system start-up supported for the stable operations
- Prepare and submit as-built drawings, test reports, and project documentation for final handover
Piping Engineer
Dodsal Engineering & construction
04.2016 - 12.2022
- Review construction drawings, P&IDs, isometrics, and general arrangements (GA) drawings
- Assist in developing construction schedules, work sequences, and resource planning
- Site Execution overall of piping fabrication and erection works include identification of materials, inspection of site as per isometric, GAD and P&ID
- Execution of contra tracing and steam tracing for the Jacketed Sulphur piping which included from the material calculation site routing and Hydrotesting
- Ensure compliance with ASME, API, ASTM, ANSI, and project-specific standards
- Coordinate welding procedures (WPS, PQR), welder qualifications & NDT testing (RT,UT,PT,MT)
- Conduct material inspections, fit-up checks, and dimensional verification
- Supervise hydrostatic testing, pneumatic testing, flushing, and leak tests
- Ensure completion of punch lists, reinstatement of lines, and mechanical completion
- Support pre-commissioning and commissioning teams during system start-up
- Preparation of different types of work permits for the mechanical activities, attend the Permit to Work training classes, identify & control the hazards, site visit with client, preparation for site audit
- Enforce safety standards, PPE compliance, and risk assessments on-site
- Conduct toolbox talks, safety audits, and permit-to-work (PTW) inspections
- Ensure adherence to LOTO (Lockout/Tagout), confined space entry, and hot work permits
- Maintain daily progress reports, inspection reports, and work logs
- Update as-built drawings and final project documentation for handover, ensure proper documentation for material traceability, weld maps, and test records
Piping Engineer
Jobby Engineers Pvt Ltd
06.2011 - 01.2013
- Review construction drawings, P&IDs, isometrics, and general arrangements (GA) drawings
- Assist in developing construction schedules, work sequences, and resource planning
- Site Execution overall of piping fabrication and erection works include identification of materials, inspection of site as per isometric, GAD and P&ID
- Execution of contra tracing and steam tracing for the Jacketed Sulphur piping which included from the material calculation site routing and Hydrotesting
- Ensure compliance with ASME, API, ASTM, ANSI, and project-specific standards
- Coordinate welding procedures (WPS, PQR), welder qualifications & NDT testing (RT,UT,PT,MT)
- Conduct material inspections, fit-up checks, and dimensional verification
- Supervise hydrostatic testing, pneumatic testing, flushing, and leak tests
- Ensure completion of punch lists, reinstatement of lines, and mechanical completion
- Support pre-commissioning and commissioning teams during system start-up
- Preparation of different types of work permits for the mechanical activities, attend the Permit to Work training classes, identify & control the hazards, site visit with client, preparation for site audit
- Enforce safety standards, PPE compliance, and risk assessments on-site
- Conduct toolbox talks, safety audits, and permit-to-work (PTW) inspections
- Ensure adherence to LOTO (Lockout/Tagout), confined space entry, and hot work permits
- Maintain daily progress reports, inspection reports, and work logs
- Update as-built drawings and final project documentation for handover, ensure proper documentation for material traceability, weld maps, and test records
Education
B Tech - Mechanical Engineering
Mahatma Gandhi University
KeralaPG Diploma - Plant Design & Management System (PDMS)
Certificate - Process Piping & Design
ASNT Level-II - PT, MT, RT & UT
Skills
Planning
Scheduling
Coordinating
Budgeting
Cost Control
Ensuring compliance
Managing resources
Material management
Manpower management
Coordination
Conflict resolution
Team leadership
Workforce management
Enforcing HSE policies
Quality assurance
Stakeholder coordination
Client relations
Documentation
Turnover to operations
Vendor coordination
Contractor coordination
Area Of Expertise
- Planning, scheduling, and coordinating piping construction activities
- Budgeting and cost control
- Ensuring compliance with contractual obligations
- Managing resources, material and manpower
- Coordination with engineering, procurement and client representatives
- Conflict resolution, team leadership and workforce management
- Enforcing HSE policies and ensuring a safe worksite
- Quality assurance adhering to applicable industrial and local standards
- Stakeholder coordination & client relations
- Ensure documentation and turnover to operations
- Vendor & contractor coordination
Major Projects Handled
- 11 Patterns Well Hook-Up & Associated Works, SHBC/KOC, 16000000
- New Gathering Centre, GC-31 In North Kuwait, KOC, 740000000
- Shah Gas Development, UAE, SAIPEM/AL HOSN, 750000000
- MRPL Phase 3 Expansion, India, EIL/ONGC, 3500000
Personal Information
- Passport Number: V5163522
- Health Status: Fit
- Date of Birth: 07/15/89
- Nationality: Indian
- Driving License: 289071506535
Civil Id
289071506535
Timeline
Deputy Manager
Mark Technologies
01.2023 - Current
Lead Engineer
Dodsal Engineering & construction
04.2016 - 12.2022
Piping Engineer
Dodsal Engineering & construction
04.2016 - 12.2022
Piping Engineer
Jobby Engineers Pvt Ltd
06.2011 - 01.2013
B Tech - Mechanical Engineering
Mahatma Gandhi University