tender for servicing, overhauling and maintenance of swas field equipment’s & wet panel and different other mechanical work during overhauling of unit no. 11 of 3x200mw, btps, obra, 1 changing spindle / gland of root valves 2 cleaning & blowing by air of impulse pipelines from tapping point to swas system ( wet & dry panel ) of different samples 3 attending of leakage from steam / water / air lines of different samples. 4 replacement of pressure gauge / temperature gauges / pressure switches / temperature switches etc. 5 servicing, testing & calibration of pressure gauges. 6 2x4 ton chiller unit- checking, cleaning, servicing, overhauling and reconditioning of compressor, main / circulating pump & motor, storage tank solenoid valve, temperature & pressure gauge, sensor, dryer, inlet / outlet, valve, all tubing & fittings, electrical equipment & wiring etc. de-scaling of condenser and cooling coil, filling of required refrigerant gas and repairing / replacement of defective spares. 7 servicing, testing & calibration of temperature gauges. 8 servicing, testing, calibration of temperature switches. 9 cleaning / servicing of terminal blocks / panels at swas. 10 replacement of ss root valves / sample relief valve. 11 servicing of valve 10mm size high pressure / low pressure, manifold valves, 3-way valves etc. 12 replacement of valves 10mm size high pressure / low pressure, manifold valve, 3-way valve etc. / rota meter / self-pressure valve. 13 replacement of impulse line as required 14 servicing of sampling cooler dhx18 / sco2 and its recommissioning. 15 servicing of cooler dhx12 / sco2 and its recommissioning 16 servicing of cooler dhx-06 / sco2 and its recommissioning 17 mechanical fabrication