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About Maintenance

About Maintenance

Descon Engineering is one of the leading Plant Maintenance contractors in the Middle East and Pakistan.  A rich experience of more than 30 years, the Maintenance Division executes all kinds of maintenance projects including long term Turnarounds / Shutdowns, Retrofit Projects comprising of Plant Modifications, Revamping, De-bottlenecking and Expansion Projects, Electrical and Instrumentation works within or outside plants.

Maintenance Division believes in striving for continuous improvement for sustainable business growth keeping in view the vision and core values of the company. Our prime focus is to consolidate our leading position in existing business and diversify for higher value chain by entering into value added maintenance business like reliability engineering and asset management.

We are open to team up with companies as consortium or joint venture to provide reliable maintenance solutions to our esteemed customers. We believe in our expertise and capabilities and with a focused dedicated approach, we will accomplish upcoming market challenges and continue to deliver the best services in oil and gas, petrochemical, fertilizer and other industrial sectors as a reliable maintenance contractor.

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Products & Services

Products & Services

Turnaround

Annual turnaround

Plant Shutdown

Retrofit

Debottlenecking

Modification/Revamp

Piping/Tie-ins

Equipment & Structure Installation

E&I

Installation of Equipments

Electrification of substations

DCS/Scada

Cabling & Electrification at all plants

Manpower supply

Supply of skilled & unskilled manpower

Work Experience

Work Experience

Turnaround of Crude Refinery (1 & 2)
Project Title:Turnaround of Crude Refinery (1 & 2)
Location:Mesaieed Industrial City, Qatar
Scope of work:The Scope of Services consists of spading, de-spading, removal and replacement of in sulation, internal and external scaffolding, inserting, opening up, cleaning, testing, lining, inspection, repair, boxing up and other miscellaneous activities
Qatar Gas Shutdown Services (5 Years)
Project Title:Qatar Gas Shutdown Services (5 Years)
Scope of work:Annual Plant Shutdowns for Train 1, 2 & 3. The Scope of Work includes, but not limited to, cleaning, water jetting, Equipment internal works (Trays and Demisters), Equipment opening, cleaning & inspection (Vessels, Columns, Reactors), Painting, Insulation, Sew water lines inspection, Catalyst (Molecular Sieve Replacement) and associated plant maintenance works.
QAFCO Major Turnarounds (2008,2010)
Project Title:QAFCO Major Turnarounds (2008,2010)
Scope of work:Installation & Erection of New Steel Structure / New Compressor Erection works / Fabrication & Erection of HP/LP piping at compressor house. Other works include Equipment replacement / Replacement of Motor / Relocation of Equipment / Installation of New Electrical & Instrumentation items.
RasGas Nitrogen Package Erection Works
Project Title:RasGas Nitrogen Package Erection Works
Scope of work:Installation & Erection of New Steel Structure / New Cold Box Erection works for Nitrogen Package/ Piping auxiliaries pre-fabrication and erection works for HP, LP, Utilities. Installation of New Electrical & Instrumentation items.
Dolphin Energy Long term Shutdown
Project Title:Dolphin Energy Long term Shutdown
Scope of work:Long-term Shutdown awarded to Descon for 2014-2018 Maintenance of all stationary equipment`s & overhauling of valves.
QAFCO Revamp Project For Urea I, 2007-08
Project Title:QAFCO Revamp Project For Urea I, 2007-08
Scope of work:Installation & Erection of New Steel Structure / New High Pressure Pool Condenser / Low Pressure Steam Drum in the Pre-Shutdown Phase. But Schedule changes from PSD to SD and the Major Shutdown Milestone was completed in a stipulated time schedule of 23 days. Which was a big achievement of Descon and Client appreciated the historical efforts made by the whole team. Other works include Equipment replacement / Relocation of Equipment / Installation of New Electrical & Instrumentation items. Pre-fabrication & Erection of HP / LP Piping works.
Ruwais III- Repair
Project Title:Ruwais III- Repair
Location:Abu Dhabi, Ruwais, UAE
Scope of work:Replacement of End Tube Sheets of Convection Section of 14 Furnaces and associated repairs at Borouge - I & II Plants, Ruwais, Abu Dhabi.
EPCL Refinery T&I Shutdown
Project Title:EPCL Refinery T&I Shutdown
Location:Jebel Ali,UAE
Scope of work:Maintenance, inspection and testing of 494 static equipment in old and new plant that includes vessels, filter drums, tanks, columns, heat exchangers (U-tube / floating head type / fixed tube/ plate type), air coolers, reactors, seal pots, furnaces (Reactors / Regenerator Gas Heaters), boilers (package / waste heat boilers), flare sulphur stacks miscellaneous isolation valves, safety relief valves and control valves.
Piping Modification works.
Major Turnaround for Gasoline and Condensate Trains
Project Title:Major Turnaround for Gasoline and Condensate Trains
Location:Abu Dhabi, Ruwais, UAE
Scope of work:Maintenance, inspection and testing of 526 static equipment in Gasoline, Condensate 01 and Condensate 02 plants that includes vessels, filter drums, tanks, columns, heat exchangers (U-tube / floating head type / fixed tube/ plate type), air coolers, reactors, seal pots, furnaces (Reactors / Regenerator Gas Heaters), boilers (package / waste heat boilers), flare sulphur stacks miscellaneous isolation valves, safety relief valves and control valves.
Major Turnaround for Trains 1 & 4 at Ruwais
Project Title:Major Turnaround for Trains 1 & 4 at Ruwais
Location:Abu Dhabi, Ruwais, UAE
Scope of work:Maintenance of 139 Plant Equipments in Train 01 and Train 04 (Heat Exchanger, Pressure Vessels, Columns, calibration of PSV, control valve / line valve, hydro-jetting of heat exchangers, fin fan coolers, internal painting of Vessels / Tanks, Insulation repairs, etc. Modification of piping.
Overhaul of Crude Oil Storage Tank
Project Title:Overhaul of Crude Oil Storage Tank
Location:Abu Dhabi, UAE
Scope of work:Inspection and maintenace of 75 m dia Tank and replacement of roof plates. Modification of Tank's Nozzels and replacement of interconnecting piping. Sandblasting and painting.
Asab 1 & 2 Plants Shutdown
Project Title:Asab 1 & 2 Plants Shutdown
Location:Abu Dhabi, UAE
Scope of work:Inspection & servicing of Vessels, Columns, Shell &Tube Heat Exchanger, Air Fin coolers, etc...
Removal and reinstallation of valves after necessary inspection and maintenance.
Annual Turnaround at Das Island Main Plant
Project Title:Annual Turnaround at Das Island Main Plant
Location:Abu Dhabi, UAE
Scope of work:Major Plant Overhauls Term Contract
Planning & Execution of annual turnarounds at Das Island Main Plant
Core Team for Planning of shutdown for 04 Years, Management Team during overhauls, manpower, equipment, specialized services, material procurement.
Major Turnaround at Ruwais (Fertil)
Project Title:Major Turnaround at Ruwais (Fertil)
Location:Abu Dhabi, Ruwais, UAE
Scope of work:Maintenance Services for Columns, Vessels, HEX, Air Coolers, Valves Serving, Furnaces
Steel structure replacement 90 tons
Piping modification in S/D of 4,500 dia inches including the urea grade piping.
Major Turnaround at Takreer Abu Dhabi Refinery
Project Title:Major Turnaround at Takreer Abu Dhabi Refinery
Location:Abu Dhabi, UAE
Scope of work:Complete Turnaround of UAN Refinery on Total Responsibility Basis.
Inspection / Services / Maintenance of Columns, Vessels and Filters, Reactors, Heat Exchanger, Air Coolers, Furnaces, KV`s, etc ...
Removal, testing, reinstallation of control valves.
Isolating valves check valves etc ...
Major Turnaround for Hydrocracker and Hydroskimmer Units
Project Title:Major Turnaround for Hydrocracker and Hydroskimmer Units
Location:Abu Dhabi, Ruwais, UAE
Scope of work:Maintenance, inspection and testing of static equipment that includes vessels, filter drums, tanks, columns, heat exchangers (U-tube / floating head type / fixed tube/ plate type), air coolers, reactors, seal pots, furnaces (Reactors / Regenerator Gas Heaters), boilers (package / waste heat boilers), flare sulphur stacks miscellaneous isolation valves, safety relief valves and control valves.
Refractory maintenance work
Tanks Refurbishment at Jebel Dhanna
Project Title:Tanks Refurbishment at Jebel Dhanna
Location:Abu Dhabi, UAE
Scope of work:Desludging, Repair and Maintenece works for three large tanks and one medium size tank with associated civil. Electrical and instrumentation works.
PARCO - 2013
Project Title:PARCO - 2013
Location:Pakistan
Scope of work:Annual Turnaround
National Refinery Limited - since 2012
Project Title:National Refinery Limited - since 2012
Location:Pakistan
Scope of work:Fuel & Lube Turnaround
Pakistan Refinery Limited - 2014
Project Title:Pakistan Refinery Limited - 2014
Location:Pakistan
Scope of work:Annual Turnaround
OGDCL UCH Gas - 2015
Project Title:OGDCL UCH Gas - 2015
Location:Pakistan
Scope of work:Annual Turnaround & Stripper Replacement
BHP - 2014
Project Title:BHP - 2014
Location:Pakistan
Scope of work:ZAM8 & ZAM9 Mechanical works
OMV - 2013
Project Title:OMV - 2013
Location:Pakistan
Scope of work:Slug Catcher replacement
Nishat Power Limited - 2014
Project Title:Nishat Power Limited - 2014
Location:Pakistan
Scope of work:Mechanical installation of 9 MW Power Plant
General Electric - 2106
Project Title:General Electric - 2106
Location:Pakistan
Scope of work:Maintenance works at Balloki Power Plant
Engro Fertilizer Limited - 2016
Project Title:Engro Fertilizer Limited - 2016
Location:Pakistan
Scope of work:Plant 2 Annual Turnaround
Atlas Honda
Project Title:Atlas Honda
Location:Pakistan
Scope of work:1500 Ton Press installation
LOTTE Chemicals Limited - 2001
Project Title:LOTTE Chemicals Limited - 2001
Location:Pakistan
Scope of work:Manpower supply contract
Engro Polymer & Chemicals Limited - 2010
Project Title:Engro Polymer & Chemicals Limited - 2010
Location:Pakistan
Scope of work:Manpower supply contract
Lalpir Thermal Power Limited - since 1999
Project Title:Lalpir Thermal Power Limited - since 1999
Location:Pakistan
Scope of work:Manpower supply contract
UCH Power Limited - (ENGIE, formerly GDF Suez)
Project Title:UCH Power Limited - (ENGIE, formerly GDF Suez)
Location:Pakistan
Scope of work:Annual Turnaround
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