Overhauling , Repair And Maintenance Of A . C . Ventilation And Fire Fighting System . , Replacement Of Valve/Nrv 100Nb , Stand Pipe Gasket Replacement , Flange Gasket Replacement-100Nb , Overhauling Of Valve/Nrv- 100Nb , Valve Gland Packing Replacement , Repair/Replacement Of Buried Pipe-100Nb , Replacement/Servicing Of Deluge Valve , Replacement/Servicing Of Sprinkler/ Quartzite Bulbs , Fire Alarm Servicing , Fab/Erec . Of Over Ground Pipe-100Nb , Replacement Of 1 Dia Gi Pipe . , O/H Of Mulsifire Compressor , Gas Cutting , Welding , Structural Fabrication , Structural Erection , Structural Dismantling , Synthetic Enamel Painting Of Equipments /Pipings , Chloro-Rubber Painting Of Equipments /Pipings , Wrapping & Coating , Overhauling Of Awu Blower , Overhauling Of Awu Internals , Overhauling Of Cw Pumps , Servicing Of Nrv/Gate/Globe Valve , Replacement Of Blower Bearings , Air Handling Unit Cleaning , Maintenance Of Cooling Towers , Replacement Of Ventilation Ducts , Replacement Of Ventilation Grilles Of Ventilation System , Replacement Of Expansion Joints , Replacement Of Eliminators , Cleaning Of Eliminators , Cleaning Of Ventilation Grills , Cleaning Of Heat Exchanger Pipes ( Vam ) , Putting Deluge Valve To Auto Position , Preventive Checking Of Equipments , Stores Assistance , Overhauling Of Fan Coil Unit , Float Replacement & Repair , Vibration Isolator Replacement