Plant Maintenance, Shutdown & Turnaround

VIRIDIS Engineering’s reliability and maintenance engineering services team provides a wide range of maintenance, shutdown, turnaround, and specialist services such as Maintenance, Repair & Overhaul (MRO) and Inspection, Reliability & Maintenance (IRM) activities etc. for refineries, petrochemical, gas and chemical plants various other establishments. We help plants reduce downtime and maximize productivity through assessing existing processes and aligning them with industry-best practices. Our goal is to achieve an optimum works duration and cost reduction through efficient work execution, precision engineering, implementing innovative solutions, and deploying the use of the latest available technology while maintaining a high safety standard.

Scope of Services – Maintenance works by VIRIDIS Engineering

Maintenance Planning

  • Competent and experienced maintenance planner
  • Current available equipment analysis

Skilled manpower

  • Provision of capable and competent manpower

Tools and equipment supply

  • Competitive pricing on required tools and equipment
  • Convenient supply schedules


  • Installation and commissioning services
  • Inspection services
  • Overhaul services inclusive of machine parts inspection and replacement recommendation
  • Equipment condition monitoring

Performance improvement

  • Review of maintenance strategy
  • Review spare parts usage
  • Reliability improvement programs
  • Best practices recommendations

Material and Logistics

  • Material availability planning
  • Convenient repair facility preparations
  • Competitive pricing on required spare parts

Scope of Services – Shutdown and Turnaround works by VIRIDIS Engineering

Packed Vessel, Reactor, Reformer

  • Loading / Unloading of catalyst
  • Cleaning of Tubes and Vessel
  • Drumming
  • Mobilization and demobilization of new and spent catalyst

Piping, Equipment & Steel Structure, Fabrication and Installation

  • Engineering
  • Fabrication
  • Testing
  • Installation
  • Blasting
  • Painting
  • Scaffolding

Pressure Safety Valve (PSV)

  • Removal
  • Overhaul
  • Testing
  • Reinstallation

Control Valve (CV)

  • Removal
  • Overhaul
  • Testing
  • Reinstallation

Exchanger, Cooler and Condenser

  • Opening
  • Cleaning
  • Reinstatement
  • Closing of manhole covers

Boilers and Reboiler

  • Cleaning
  • Inspection
  • Preparation of repair procedures
  • Repair & maintenance
  • Testing

Static Equipment

  • Opening
  • Cleaning
  • Reinstatement
  • Closing of manholes

Turnaround Shutdown planning

  • Planning
  • Preparation
  • Turnaround execution