services

“From Concept to Commissioning — We Deliver Engineering That Works.”

OUR SERVICES

At EXEN International, we deliver end-to-end engineering and project solutions across multiple disciplines. With a foundation built on technical excellence and practical innovation, we serve clients across the oil & gas, petrochemical, energy, utilities, and infrastructure sectors.

From greenfield developments to brownfield rejuvenations, we ensure every project is fit-for-purpose, compliant, safe, and value-driven.

1. Engineering Design & Consultancy

Our engineering design services span the full project lifecycle — from feasibility studies and concept development, through front-end engineering design (FEED) and detailed engineering, to procurement, construction and commissioning support.

Process Engineering

Our process engineers develop the foundational design that defines how your facility operates. We carry out process studies to optimise performance, safety, and efficiency.

  • PFD & P&ID Development

  • Heat & Material Balances (HMB):

  • Process Simulation and Sizing:
    Steady-state and dynamic simulations using tools like HYSYS or Aspen Plus to model complex units and validate design assumptions.

  • Flare & Utility Systems Design:
    Capacity checks, pressure relief studies, and flare load analysis for safe venting and emission control.

  • Safety Layout, HAZOP, LOPA, FERA, EERA Readiness:
    Preparation of HAZOP and other Process Safety related documentation and activities including line lists, cause & effect matrices, and safeguards in compliance with OSHA, API, and PETRONAS technical standards.

Civil & Structural Engineering

Our Civil & Structural (C&S) team delivers robust, compliant, and cost-efficient design solutions supporting industrial facilities, plant or platform infrastructure, and building developments. With an emphasis on structural integrity, site constructability, and local authority compliance, our scope includes:

  • Site Development & Earthworks:
    Civil layout planning including earthworks grading, cut-and-fill optimization, drainage systems, access roads, paving design, and site development coordination with utility infrastructure.

  • Foundation & Substructure Design:
    Design of shallow and deep foundations (pad, pile, raft), based on geotechnical reports, foundation layout drawings, RC detailing, and design calculations for dynamic and static loads from process equipment, pipe racks, tanks, and structures.

  • Structural Steel Design:
    Structural analysis and design of steel buildings, pipe racks, equipment platforms, staircases, and shelters. Compliance with Eurocode, BS5950, and MS1553. Development of GA drawings, connection details, and fabrication drawings.

  • Reinforced Concrete (RC) Structures:
    Design and detailing of RC buildings, blast-resistant control rooms, culverts, sumps, bund walls, and secondary containment structures. Coordination with architectural finishes and building services (MEP).

  • Architectural & Building Services Interface:
    Coordination with building and architectural teams for industrial buildings, MCC rooms, control buildings, and workshops — ensuring integration of mechanical, electrical, and civil systems.

Mechanical Engineering

Our mechanical engineering services encompass the full spectrum of equipment specification, integration, and constructability planning. With experience across process, utility, and building mechanical systems, our scope includes:

  • Equipment Specification & Datasheets:

  • Mechanical Layout Development:

  • Package Design Integration:
    Coordination of vendor-supplied packages including HVAC, mechanical skids, and packaged utility systems for compliance and seamless site integration.

  • Lifting & Maintenance Studies:
    Evaluation of mechanical handling requirements, crane access zones, and safe maintenance zones to support operational readiness.

  • 3D Equipment Modelling:
    Integration of equipment into 3D models using Aveva E3D or AutoCAD Plant3D for clash checking and design validation.

  • Adoption of international standards:
    API, ASME Sec VIII, API 610/617, ISO, and client-specific specifications.

Piping Engineering

Piping engineering plays a vital role in plant design. Our piping team supports detailed routing, support design, material class development, and stress verification, ensuring all systems are safe, reliable, and constructible.

  • Piping Design & Routing:
    • Development of piping layouts and isometric drawings for process, utility, and offsite systems, ensuring efficient routing and clash-free design in accordance with process safety and ergonomics.

  • Pipe Material Specifications (PMS):
    • Stress Analysis & Support Engineering:
    • Execution of static and dynamic stress analysis using Caesar II to verify pipe flexibility and support adequacy, including spring supports, anchors, and expansion loops.

  • 3D Model Coordination:
    • Development and management of piping models using Aveva PDMS/E3D or SmartPlant, including interference checking and model reviews with stakeholders.

  • Tie-in & Construction Support:
    • Site walkdowns, tie-in point identification, preparation of tie-in packages and constructability review documentation.

  • Fabrication Deliverables:
    • Extraction of MTOs, spool drawings, and support fabrication details ready for shop use.

Electrical Engineering

Our electrical design team ensures reliable power distribution, protection, and compliance with regulatory frameworks.

  • Load Flow Studies:
    • Analysis of electrical load distribution and sizing of transformers, switchgear, and cables.

  • Short Circuit & Protection Analysis:
    • Coordination and discrimination studies using ETAP to design protective schemes that minimise outage impact.

  • Earthing & Lightning Protection:
    • Design of grounding systems, lightning arrestors, and bonding systems for personnel safety and equipment protection.

  • Cable Sizing & Routing:
    • Voltage drop and thermal performance analysis, cable schedules, routing plans, and cable tray layouts.

  • Switchroom & MCC Design:
    • Room layout drawings, panel arrangements, and power/control schematics.

Instrumentation & Control

Our I&C engineers provide automation strategies that ensure accurate measurement, effective control, and seamless integration with plant operations.

  • Control Philosophy & Loop Design

  • PLC/DCS/SCADA Integration:
    • System architecture, panel layouts, and interface specifications tailored to client-preferred platforms (e.g., Siemens, ABB, Yokogawa).

  • Instrumentation Datasheets & Sizing:
    • Selection of flow, pressure, level, and temperature instruments based on process conditions and accuracy requirements.

  • Fire & Gas Detection Systems:
    • Design of flame detectors, gas sensors, and alarm systems with cause & effect logic for hazardous area protection.

2. Project Planning & Execution Support

We provide integrated project management and execution support services tailored to align engineering deliverables with overall project milestones. Our team emphasizes proactive planning, detailed forecasting, and disciplined execution to ensure timely, cost-effective, and quality-assured delivery.

Our capabilities include:

  • Engineering Workpack Preparation (PEQP):
    Development of comprehensive workpacks including scope of work, interface drawings, material take-offs, activity sequencing, testing requirements, and safety guidelines. Ensures all construction teams receive clear, complete, and approved documentation for execution.
  • Project Scheduling & Resource Forecasting:
    Creation and maintenance of project schedules using Primavera P6 and MS Project. Integration of resource allocation, manpower planning, procurement timelines, and critical path analysis to optimize project flow.
  • Construction Readiness & Punch List Coordination:
    Coordination of pre-construction readiness reviews, walkdowns, and system handover checklists. Management of punch lists, tracking of completion items, and prioritization of outstanding work for mechanical completion.
  • Cost Control & Progress Monitoring (EVM):
    Implementation of Earned Value Management (EVM) and cost monitoring systems to track budget utilization, progress achieved, variance analysis, and financial forecasting. Enables early identification of deviations and corrective actions.
  • Interface Management:
    Active coordination across engineering disciplines, vendors, subcontractors, and client stakeholders to ensure alignment of technical interfaces, delivery schedules, and documentation protocols. Reduces rework and project risk.
  • Reporting & Transparency:
    Regular issuance of project dashboards, S-curves, progress reports, and risk registers to all stakeholders — ensuring visibility, accountability, and informed decision-making throughout the project lifecycle.

3. Laser Scanning & Digital Twin Solutions

Our Laser Scanning and Digital Twin services bridge the physical and digital worlds, enabling smarter design, safer execution, and more efficient asset lifecycle management. We deploy advanced 3D scanning technologies and intelligent modeling platforms to deliver data-rich, as-built representations of real-world facilities and infrastructure.

Scope of Services:

  • 3D Laser Scanning (High-Resolution Reality Capture):
    Using LiDAR-based terrestrial scanners, we capture millions of point cloud data sets to generate accurate 3D representations of existing assets — with millimeter-level precision. This enables rapid site documentation and reduces the need for manual measurement.
  • Point Cloud Processing & Registration:
    Raw scan data is registered, cleaned, and processed into usable formats (e.g., *.rcs, *.e57, .ptx) suitable for direct integration into CAD, BIM, and engineering design platforms (e.g., AutoCAD, Navisworks, AVEVA E3D).
  • Intelligent 3D Modeling (As-Built Conversion):
    From point clouds, we generate smart 3D models of plant piping, structural systems, HVAC, and equipment — suitable for revamp engineering, clash checks, or design validation. Outputs are compatible with PDMS, E3D, Revit, or SolidWorks.
  • Digital Twin Development:
    We build interactive digital twins that mirror real-time asset conditions and performance. Our digital twins integrate with sensors, control systems, and maintenance records, allowing predictive analytics, asset health monitoring, and remote walkthroughs.
  • Plant Walkthrough & Simulation Tools:
    Enable clients and stakeholders to explore their facilities virtually using integrated 3D viewers (e.g., Leica TruView, NavVis, or Unity engines), promoting safer decision-making, remote collaboration, and training.
  • Clash Detection & Brownfield Revamp Engineering:
    Use of precise as-built models to conduct clash checks, detect constructability issues, and align new designs with real site constraints — especially valuable in retrofit or turnaround projects.
  • Data Integration for Lifecycle Management:
    We embed asset tags, equipment data, P&IDs, and inspection records within the digital twin, creating a centralised visual database that supports operations, maintenance, and inspection workflows.

4. E&I Specialised EPCC (Engineering, Procurement, Construction & Commissioning)

Exen International offers full-scope Electrical & Instrumentation (E&I) EPCC services tailored for power, oil & gas, energy transition, and industrial infrastructure projects. Our team executes high-risk and high integrity works in compliance with statutory codes, hazardous area requirements, and utility authority regulations.

We provide end-to-end E&I execution — from detailed engineering and equipment procurement to field installation, testing, and commissioning — ensuring a single-point responsibility for quality, cost, and schedule.

Scope of Services:

  • Procurement of E&I Equipment & Materials
    • Sourcing and delivery of panels, junction boxes, field instruments, analyzers, UPS systems, PLC/DCS cabinets
    • Vendor coordination for FAT, authority submissions (ST, TNB, Suruhanjaya Tenaga), and import logistics
  • Electrical Works (LV/MV)
    • Installation of switchboards, MCCs, transformers, UPS, cabling, raceways, lightning protection, and grounding systems
    • Termination, insulation testing, meggering, primary injection, relay testing, and loop verification
  • Instrumentation Works
    • Hook-up installation for field instruments (pressure, flow, level, analyzers), tubing, air lines, and trays
    • Marshalling cabinet termination, DCS/PLC integration, loop checking and field calibration
  • Fire & Gas System deployment including detectors, ESD devices, and safety relays
    • Control System Installation
    • Setup and configuration of control panels, RTUs, HMI workstations, and SCADA systems
    • Integration with third-party systems including metering skids, power management, and emergency shutdown
  • Testing & Pre-Commissioning
    • Loop testing, pre-startup checklists, SAT, system energisation, and functional testing
    • Preparation of inspection test plans (ITPs), method statements, and commissioning dossiers
    • Coordination with client and vendors for energisation readiness
  • Project Documentation & Turnover
    • Preparation of as-built drawings, cable schedules, instrument index, and test reports
    • Final handover packages in compliance with ISO, client QAQC, and regulatory authority standards

5. Metering Products & Solutions

Exen International provides integrated metering products and solutions tailored for accurate measurement, regulatory compliance, and commercial accountability in oil & gas, utilities, energy, and process industries.

We support clients in implementing high-accuracy fiscal and custody transfer metering systems, complete with real-time monitoring, diagnostics, and digital integration for operations and billing purposes.

Scope of Services:

  • Flow Metering Systems (Custody & Fiscal Transfer):
    • Engineering, supply, and integration of high-accuracy meters including Ultrasonic Flow Meters (USM), Turbine Meters, Coriolis Meters, and Orifice Plate Meters
    • Compliance with AGA, ISO, OIML, API, and other international standards
    • Integration with flow computers, PLC/DCS systems, and data historian platforms
  • Metering Skids (Pre-packaged or Custom Fabricated):
    • Fabrication and assembly of complete metering skid systems, inclusive of piping, instrumentation, control valves, strainers, and electrical systems
    • FAT, SAT, calibration and site commissioning support
    • Built to client specifications, skid-mounted for plug-and-play installation
  • Energy & Utility Metering:
    • Deployment of metering solutions for electricity, steam, water, natural gas, and other utility streams
    • Remote monitoring and reporting through SCADA/IoT-based platforms
    • Billing-grade metering systems for industrial parks, solar farms, or cogeneration facilities
  • Calibration & Testing Services:
    • Flow meter calibration, proving, and traceability services conducted in collaboration with accredited labs
    • On-site meter verification, re-calibration and commissioning
    • Development of metering calibration procedures, data logs, and certificates
  • Digital Integration & Data Management:
    • Remote data acquisition (RTU/PLC-based), integration with SCADA/HMI, cloud-based dashboards
    • Alarm management, trend analytics, and audit trails for compliance tracking
    • Data interface with ERP/finance systems for automated billing and reporting
  • Regulatory Compliance & Documentation:
    • Support for Suruhanjaya Tenaga, DOSH, Custody Transfer Requirements
    • Generation of metering design documents, cause & effect charts, wiring diagrams, and certification packs
    • Periodic audit readiness and consultation

6. Authorised Distributor & Service Partner for AMETEK Products

As the appointed representative for AMETEK in Malaysia, Exen International offers certified sales, integration, and after-sales support for a wide range of AMETEK’s industrial and critical power solutions. Our scope includes consultation, supply, commissioning, and lifecycle support to ensure reliability, performance, and regulatory compliance.

Scope of Services:

  • Product Sales & Distribution
    • Supply of AMETEK-branded industrial UPS systems, programmable power solutions, analyzers, and process instruments
    • Selection and configuration based on application needs (oil & gas, power gen, utility, etc.)
    • Procurement and logistics support with factory-authorised channels
  • System Integration & Engineering
    • Integration of UPS and power systems into E&I design scope
    • Interfacing with control panels, switchboards, and SCADA/DCS platforms
    • Custom solutions for brownfield or space-constrained sites
  • Installation, Testing & Commissioning
    • Site delivery, setup, and commissioning of AMETEK systems by qualified technicians
    • Compliance with TNB, Suruhanjaya Tenaga, and plant-specific acceptance procedures
    • FAT/SAT coordination with AMETEK’s regional technical team
  • After-Sales Support & Maintenance
    • Preventive maintenance and on-call troubleshooting
    • Supply of genuine spare parts, replacement units, and performance upgrades
    • Long-term service agreements (SLA) for high-availability sites
  • Training & Technical Support
    • User/operator training post-commissioning
    • Localised support through Exen’s technical team with AMETEK factory backing
    • System diagnostics, warranty handling, and firmware updates
  • Product Portfolio Includes:
    • Industrial UPS (Uninterruptible Power Supplies)
    • Precision Programmable Power Systems
    • Process & Emissions Analyzers
    • Calibration Instruments & Pressure Sensors
    • Electromechanical Testing Systems

7. Renewable & Distributed Energy Solutions

We provide end-to-end solutions in the development, integration, and management of renewable and distributed energy systems. With a focus on sustainable infrastructure, our team supports clients from conceptual design to regulatory approvals, construction, and operational readiness.

Scope of Services:

  • Hydropower & Mini-Hydro Development
    • Feasibility assessments, site selection, and hydrological studies
    • Engineering design of intake structures, penstock routing, powerhouses, and switchyards
    • Coordination with utility companies (e.g. TNB) for grid connection and approvals
  • Solar PV Systems
    • Ground-mounted and rooftop PV system design (on-grid & hybrid)
    • Solar yield simulation, system sizing, BOS (balance of system) engineering
    • EPC execution including module mounting, inverters, monitoring, and smart metering
    • Compliance with Suruhanjaya Tenaga and SEDA requirements
  • Energy Transition & Hybrid Systems
    • Microgrid design for rural electrification and industrial applications
    • Battery energy storage systems (BESS) integration
    • Hybrid generation systems combining solar, hydro, and genset backup for continuous power
  • Power System Studies & Compliance
    • Load flow, short-circuit analysis, and protection coordination
    • Grid impact studies and RIA submissions for connection license
    • Consultation on power purchase agreements (PPA), FiT/NEM frameworks
  • Project Development & Stakeholder Coordination
    • Land & environmental assessment support (EIA, EMP)
    • Financial modelling, CAPEX/OPEX studies, investor documentation
    • Liaison with local authorities, utility providers, and government agencies
  • Operation, Maintenance & Remote Monitoring
    • Scheduled preventive maintenance for hydropower and solar assets
    • Remote SCADA integration for energy performance analytics
    • Troubleshooting, rectification, and asset lifecycle advisory

Offerings

Services

Experience

Head Office

Suite 10.23, Tower 1, Wangsa 118,
Jalan Wangsa Delima,
Wangsa Maju,
53300 Kuala Lumpur,
MALAYSIA.
+60 3 4131 3757

East Coast Design Office

Lot 50081-50082, Level 1,
Kg. Baru Kerteh,
Jalan Kemaman-Dungun,
24300 Kerteh Kemaman,
Terengganu, MALAYSIA.
+60 9 826 1234

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