Power Plants

JML has strong background and track record in Plant Maintenance. Over the last 20 years, we successfully completed several projects related to Oil-Fired, Coal-Fired, Gas-Fired, Combined Cycle, Cogeneration, Diesel and Waste-to-Energy Power Plants.

Power Plant Maintenance – Overview

JML is a leading maintenance contractor and serves as the single-source provider for all of your Power Plant Maintenance, Brownfield Modernization, and Operational needs. We specialize in both Captive Scale and Utility Scale (Over 700 MW) maintenance projects with a diverse range of services such as reverse engineering, procurement, fabrication, construction, and asset-maintenance activities at all stages of a power plant’s life-cycle.

JML has diligently developed its technical know-how through industry collaborations and in-house capabilities. This has enabled us to successfully complete projects with a combined capacity of over 6.9GW in ASEAN and GCC countries.

Our area of expertise in Power Plant maintenance covers:

  • Overhaul of Steam & Gas Turbines (M501D, M501F, M701D, M701F, GE270 T732)
  • Replacement of Boiler Pressure Parts (Superheater, Reheater Cycle, Water Walls, Drum Internals)
  • Routine and Predictive Plant Maintenance
  • Annual Outage & Shut Down Maintenance
  • Brownfield (BOP-Balance of Plant) System EPC Projects
  • Operations Support and Maintenance Term (LTSA) Contracts
  • Electrical & Instrumentation upgrading works
  • Plant Deconstruction and Demolition Works
  • Engineering Support for Retrofitting and Modernization projects.

JML has consistently delivered complex and challenging projects to the highest technical, quality and safety standards with relevant ISO9001 and ISO45001 certifications. This has allowed us to attain international recognition for our reliability, integrity and strong project performance. JML has successfully demonstrated its consistency and flexibility even when responding to unexpected events quickly and effectively. We are able to execute multiple projects simultaneously, because we have integrated technology with our processes utilized by JML’s teams of Power Plant professionals and technicians. 

Technologies such as Drones, AR/VR technology, and IIoT enable us to enhance our maintenance expertise and carry out inspections and assess the lifetime of essential equipment. We stand by asset owners and financial institutions, allowing them to conform to the standards of Environmental, Social and Governance criteria. JML provides Renovation and Modernization (R&M) services to extend the life cycle of power plants through efficiency improvements, and Co2 reductions.

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SAFE MAN-HOURS
  • Gas Turbine inspection
  • Full inspection services (visual, dimensional, NDT)
  • Rotor disassembly & re-assembly
  • Rotor & stator re-blading
  • Rotor balancing (low speed dynamic)
  • Seal repair & replacement
  • Dimensional restoration journals & steel areas
  • HVOF & cold coatings (corrosion protection & antifouling)
  • Complete rebuilding of Turbine
  • Relocation of Turbine Unit
 

Project References

Ras Laffan Coast, Qatar

RGPC Gas Turbine Maintenance in Qatar
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Siddirganj CCCP 335M, Bangladesh

335 MW Gas Turbine in Siddirganj – Bangladesh
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  • Full inspection services (visual, dimensional, NDT)
  • Rotor disassembly & Re-assembly
  • Rotor & stator re-blading
  • Rotor balancing (low speed dynamic)
  • Seal repair & replacement
  • Overhaul of Lube Oil System
  • Overhaul of MCV, CRV and Bypass Valves
  • Dimensional restoration journals & steel areas
  • HVOF & cold coatings (corrosion protection & anti fouling)
  • Complete rebuilding of Turbine
  • Relocation of Turbine Unit
 

Project References

Tanjung Bin Power Plant, Malaysia

700 MW Steam Turbine & Generator, Malaysia
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  • Replacement of Boiler High Pressure Parts
  • Replacement of High/Low Pressure Heaters
  • Overhauling of Fan & Pumps
  • Overhauling of Combustion Equipment
  • Overhauling of Boiler Drum (Internal replacement & shell visual/NDT checks)
  • Replacement and Overhauling of Valves
  • Replacement and Overhauling of Instrumentation
  • Calibration of Instrumentation
  • Loop Test and Interlock Test
 

Project References

Boiler Repair at Tanjung Bin 10, 20 and 30

700MW Coal Fired Boiler Pressure Parts Replacement
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Boiler Repair at Tanjung Bin 40

1000MW Coal Fired Boiler Pressure Parts Replacement
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Concept of alliance working can bring benefits to the maintenance projects, especially to the modernization, asset life improvement and project management functions.

To maintain the spirit of economic gains and environmental goals of asset owners, JML can undertake Balance of System Packages under a single point responsibility concept.

  • System Packages under EPC model
  • Spare Parts and Inventory control
  • Inspection Services- On Site Equipment Diagnostics
  • Inspection Services
 

Project References

SMUF Decoupling Project

Sembcorp Multi-Utilities Facility (SMUF) Decoupling Project

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Jimma HP Heater Replacement

HP Heater replacement at Jimma Power Plant
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Air Preheater Replacement at Incineration Plant

Airpreheater replacement at Energy-from-Waste (EfW) Plant
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Electrical
  • Electrical Schemes: HV/MV And LV System
  • Electrical System Studies & Analysis
  • Grounding & Lightning System
  • PA System & Fire Alarm
  • Lighting System
  • Procurement Services: Tag Items and Bulk Material
  • Installation of Complete Electrical Packages
  • Testing & Commissioning Services
Control & Instrumentation
  • Control System; Plant DCS, Standalone PLC And SCADA
  • Remote Monitoring and Custody Metering System
  • Procurement Services: Tag Items and Bulk Material
  • Installation of Complete I&C Packages
  • Onsite Calibration Services
  • Testing and Commissioning
 

Project References

Unimatec Expansion Project

Complete E&I works for Unimatec Expansion Project

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TMUC BMCC Project

TMUC BMCC Project- E-BOP

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