tender for calibration of instruments, regular and breakdown maintenance of c&i instruments and equipments at vgtps / phase-ii for the period from 01.04.2020 to 30.09.2020. - - calibration of instruments: calibration of pressure and temperature gauges 3 calibration of instruments: calibration of pressure, temperature, level and flow transmitters / switches, rtd, thermocouples and on / off solenoid valves etc. 4 calibration of instruments: calibration of pneumatic control valves operated by i / p positioners, smart positioners and hydraulic valves operated by i / h converters and lvdts, calibration of cems analyzer 5 daily walk down work: daily walk down and visual inspection of field instruments 6 instruments cleaning and terminal tightness checking work:cleaning and terminal tightness checking of pressure / temperature / flow / level transmitters, switches, signal conditioners & sensors, junction boxes, on / off valve actuator etc. impulse line flushing and leak attending work 7 instruments cleaning and terminal tightness checking work:cleaning, terminal tightness checking and leakage arresting of pressure / temperature gauges thermocouples, rtd, sov, limit switches and swas & cems equipment’s etc. 8 instruments cleaning and terminal tightness checking work:control valve positioner / air filter regulator / airlock relay / volume booster etc. cleaning and leak attending work 9 dcs, plc modules and servers cleaning works:gt abb dcs, stg siemens dcs, dm plant modicon plc modules, woodward governing, tsi system, fim cleaning and terminal tightness checking work 10 dcs, plc modules and servers cleaning works: other plc in ia / pa, ip / lp injection, ets, n2 system, etc. module cleaning & terminal tightness checking work 11 dcs, plc modules and servers cleaning works: :gt, stg, dm plant ows and ews & server system cleaning work 12 gtg & stg start-up: gtg & stg startup activities 13 break down maintenance / replacement / releasing and re-fixing of field instruments:replacement / releasing and re-fixing of pressure / temperature / flow / level transmitters & switches and other field instruments etc. for defect and mechanical co-ordination work 14 break down maintenance / replacement / releasing and re-fixing of field instruments:replacement / releasing and re-fixing of field instruments such as gauges, rtd, thermocouple, manifolds and impulse line except turbine area. 15 break down maintenance / replacement / releasing and re-fixing of field instruments: replacement / releasing and re-fixing of on / off valves / actuators, limit switches, pilot actuators, air regulators, o-ring and gaskets etc. for defect and mechanical co-ordination 16 break down maintenance / replacement / releasing and re-fixing of field instruments: replacement / releasing and re-fixing of pneumatic control valves positioner, position transmitter, airlock relay, volume booster, limit switches, vibration sensors, speed sensors, thermocouples / rtds and special type of instruments in gas and steam turbine area for defect and other mechanical co-ordination work 17 break down maintenance / replacement / releasing and re-fixing of field instruments:assistantship in dcs control loop checking of signals and cable healthiness checking, spare cable tracing etc. and electrical co-ordination work 18 break down maintenance / replacement / releasing and re-fixing of field instruments: replacement / healthiness checking of abb symphony harmony / siemens dcs, modicon plc, woodward governing system modules & other plc cards and fim replacement etc 19 break down maintenance / replacement / releasing and re-fixing of field instruments:functional checking of pressure / temperature transmitters / switches / rtd / thermocouple / flame scanner, transducers etc. with dcs and operational checking of on / off solenoid valves and limit switches pneumatic control valves. 20 break down maintenance / replacement / releasing and re-fixing of field instruments: assistantship in check measurement of new materials