SRU Unit Shutdown:
SRU Unit Condenser Inlet / Outlet cover removal and re-fixing as per client approved Rigging plan
Sulphur removal using not spark tools, hydro jetting the condenser tubes and testing
Sulphur pit SEAL POT removal / cleaning after inspection re-installation
TSA (Thermal Spray Aluminum) coating for sulphur pit, condenser, reactor and KV valves weld crack areas.
AQUA MILLING activity for steam jacket / Rendon lines as per client procedures.
Steam Jacket / Rendon line Hydro testing as per client methods.
Lube Oil Flushing:
Cooler
Compressor
Turbine
Pump seal system
Chemical Cleaning:
Degreasing
Pickling
Naturalization & Passivation
During Shutdown period we will do the De-contamination chemical cleaning method as well (1. Chemical Inject with Steaming, 2. Chemical flushing with water)
Tank Cleaning:
Sand Blasting, Painting 1st, 2nd and final coat & hardness inspection acceptance as well.
Roof, Shell, Bottom plate welding joint area UT or MT inspection
Bottom Plate MRL test (MAGNETIC FLEXIBLE LEAKAGE) find the damage location for batch plate welding purpose.
Breather valves, pressure / Vacuum Relief valves removal, inspection and re-installation.
Piping Activity:
Process Piping, Pipe Line fabrication, erection, hydro testing follow up as per project specification.
SMAW & GTAW standard welding method should be follow.
CS, SS, LTCS, Alloy, GRE / GRV, Clad, Nickel Alloy all kindly suitable qualified welders should be used for welding activities.
Flange Management System:
Blinding & De-blinding Location identify and provide proper tagging system
Inspect flange space, new gasket & bold nuts condition.
Flange misalignment, approved torque & tensioning value and proper bot tightening sequence follow up.
Unit Battery Limit Blinding & De-Blinding Method:
The major part of shutdown activity it’s battery limit blinding & de-blinding.
Follow client approved HSE rules and regulation.
BA (BREATHING APPARATUS) trained familiar person should involve always.
H2S (HYDROGEN SULPHIDE) trained team only can performed this kind of activities.
New Gasket, Proper Tightening, Proper Alignment should conformed by QC / Operation all the battery limit blinds and de-blinds.
Rotating Equipment’s:
All type of Rotating equipment’s maintenance activity
Replacement & Re- alignment
All type of rotating equipment’s seal repair & replacement
All type of rotating equipment’s Bearing replacement