– Steel works: repairs, replacements;
– Piping and accessories: prefabrications, assembly, NDE, painting, testing and reinstaments;
– Static and rotative pressure equipment: Opening, closing manholes; internal cleaning; Repairs/modifications; Internal restoring
– Columns: Opening, closing manholes; Internal cleaning;
– Repairing /modifying internal plates; interior restoration
– Heat exchangers /air-coolers: Dismantling /assembling accessories; Extracting/inserting and HP washing of tube bundles; repiping tube bundles
– Furnaces: Repairing and/or replacing heating coils, metal work and structures; burner maintenance; instrument maintenance and refractory
– Boilers: Repairing and/or replacing heating coils, metal work and structures; burner maintenance; instrument maintenance
– High pressure washing
– Water Cleaning
– Waterjet cutting
– Electrical equipment: Failure detection; Replacement of LV/MV/HV cables and signals; Interventions on electrical energy distribution and transformation systems; maintenance operations on MV/LV electric panels and signals
– Process instruments: Replacing instruments and restoring connections; Maintaining instruments: mechanical/electronic control and collaboration; PLC interventions
– Scaffolding
– Insulation
– NDT

Notes: Cleaning, extraction of bundles, refractory, E&I, refractory, Civil works, Scaffolding, insulation and NDT executed by Subcontractor