Joy Mukherjee

• Currently responsible for Shut down planning and smooth execution for both HP and DP plant
• Lead total60 days of shutdown for both plants
• Taking care of all Spares procurement related activities
• Dealing with foreign vendor for materials and services (mostly Japan and Thailand)
• Reports To: Senior Manager (Mechanical planning)

• Commissioning of World's first syn gas fired gas turbine (MS6001) successfully at Jamnagar site
• Involved in Major Inspection (MI) of Gas turbine-2 (MS5001) which include overhauling of axial flow compressor rotor, Auxiliary gear box, turbine, combustion can, load gear box, inlet guide vane
• Replacement of major parts like compressor blades, turbine shrouds, buckets ETC
• Inspection & repairing of hot gas path
• Involved in02 no.'s HGPI of GAS Turbine which includes overhauling of turbine section, replacement1st,2nd &3rd stage shrouds, buckets and nozzles
• Replacement of Combustion chamber parts like can, x-fire tubes, fuel nozzle etc
• Lead in Combustion Path Inspection (CPI) of Gas Turbine (MS5001 & MS6001) which includes combustion liner inspection & replacement, Fuel nozzle inspection & replacement, fuel oil check valve & check air valve calibration, inspection & backlash checking of variable inlet guide vanes, coordination between operation and other maintenance department
• Reports To: General Manager (Maintenance)

• Primary Reformer:

1)Lead in procurement and replacement of310 no's of Primary Reformer catalyst tube (Centralloy G4852 Micro R)

2)Lead in all432 burners inspection and overhauling jobs

3)Lead in Cold collector replacement jobs

Secondary Reformer:

1)Involved in secondary Reformer burner air gun nozzle replacement jobs.

• Column and Towers:

1)Lead and planned for all Columns and towers in ammonia plant inspection and repairing jobs in different shut downs

A)Tube bundle replacement of critical Heat Exchangers in Ammonia plant:

1)E209, E210: U-Tube type Exchanger, Required for Heat recovery from Process gas to BFW, Its failure may lead to Catalyst Damage.

2)E312: Straight tube Floating head Type, Required for Cooling of Synthesis Gas, Its failure may lead to Explosion/Fire due presence of Hydrogen

3)E504: Straight tube fixed tube sheet Type, Required for Cooling of Synthesis Gas (SynLoop), Its failure may lead to Bacteria development in CWS due to presence of NH3

• Compressors and Turbines Overhauling:

1)Overhauling of Synthesis gas compressor and turbine: Lead in BHEL make centrifugal2 BCL (barrel shaped and closed at the ends by the two vertical flanges) type compressor (RPM-9730; Discharge Pressure-135 kg/cm2g; Gas handled-Synthesis gas) overhauling which includes inspection and replacement of journal and thrust bearing, seals and diaphragms, Rotor assembly, End cover assembly and all the accessories like oil system, seal oil system, gas system, gear coupling assembly.

2)Lead the team in BHEL make EHNK type steam Turbine overhauling job

3)Lead the team in Overhauling of Ammonia compressor train (Compressor and turbine)

4)Lead the team in overhauling of Co2 compressor train (Compressor and turbine)

5)Lead the team in overhauling of multistage BFW pump

• Experience of Twelve major planned shut-downs comprising of300 days & was responsible for the maintenance of the critical heat exchangers, Pressure vessels, high pressure valves, Towers & Columns in Ammonia plant
• Reports To: Senior Manager (Maintenance & Planning)