Pre-shutdown planning, manpower and T&P mobilisation, round-the-clock execution, boxing-up and handover. Up to 400+ personnel on a single shutdown.
Multi-year annual and rate contracts for mechanical maintenance with Maharatna and Navratna PSUs.
Boilers, HRSGs, deaerators, air pre-heaters, storage tanks, heat exchangers, columns and vessels — overhaul, repair, modification.
Maintenance of pumps, compressors and drives; alignment; EOT and HOT crane maintenance.
Servicing, testing, reconditioning and replacement of gate, globe, check, control and high-pressure valves; PSV/PVRV calibration; gearbox overhaul.
IBR and non-IBR piping, steam networks, tank plate and structural fabrication and erection, in-house workshop fabrication and machining.
Scope freeze, job-wise work packs, manpower histogram, critical path and T&P list agreed with the client.
Crew, supervisors, cranes and tools on site in 7–30 days; gate passes, inductions and permits in place.
Round-the-clock shifts, daily progress reviews, hold/witness points with client inspection.
Hydro and pressure tests, NDT coordination, valve testing, dimensional checks and box-up.
Site clearance, QA/QC dossier, test certificates and completion documentation.
| Equipment | Activities |
|---|---|
| Boilers & HRSGs | Manhole opening and box-up, tube replacement and plugging, deaerator and APH cleaning, IBR hydrotest |
| Valves & PSVs | In-situ and workshop overhaul, seat lapping, gland packing, pressure testing, PSV/PVRV calibration |
| Columns, vessels & exchangers | Opening, cleaning, bundle pulling, tube expansion, blinding and de-blinding, box-up and leak testing |
| Rotary equipment | Dismantling, inspection, bearing and seal replacement, alignment, trial runs |
| Piping & tanks | Spool replacement, IBR welding, hydrotesting, strainer cleaning, tank plate and coil repair |
| Access & lifting | Quick-erect boiler scaffolding to roof level (sealing platforms at ~42 m), heavy rigging up to 40 t at 24 m |
Issued by the Boiler Directorate, Government of Assam, and endorsed in Gujarat and West Bengal.
These assignments add breadth to our execution capability while our focus remains oil, gas and power.