Maintenance

Mechanical Work

1. Bolt Tightening
2. Leak Sealing
3. Loading Unloading
   1. Catalyst
   2. Pall ring
   3. Absorbent
4. Overhaul/Turn Around Maintenance
   1. Partial Shut Down
   2. Totally Shut Down
5. On Site Machining
6. Cleaning 
   1. Tank
   2. Vessel
   3. Reactor
   4. Fin-Fan Cooler
   5. Heat Exchanger

Piping Work

1. Sand Blast & Painting
2. Installation for Hot Tapping
3. Pipe Spool Fabrication
4. Tie-in Work
5. Install Pipe Spool
6. Install Drain Check Valve

1. Flushing & Pressure Test
2. NDT
   • Penetrant
   • Radiography
3. Intelligent Pigging
4. Scaffolding

Repair

1. Tank Repair & Replace Floating Roof
2. Tray Replacement
3. Repair Flare Stack
4. Repair Loading Arm
5. Furnace
6. Etc