Tender For Maintenance Of Generator And Its Associated Auxiliaries, Excitation System, Grp Of 2X250mw, Dtps, Htpp, Aligarh, 1 Round the clock Routine & Preventive Maintenance of generator and its associated auxiliaries, excitation system, GRP of 2X250 MW Unit-08 & 09, DTPS, HTPS, Aligarh.Note: 12 Job for each 250MW Unit i.e., 1 Job Per Month per 250 MW Unit. 2 Breakdown Maintenance of generator and its associated auxiliaries, excitation system, GRP of 2X250 MW Unit-08 & 09, DTPS, HTPS, Aligarh 3 Alignment of seal oil pumps with AC/DC motor as per standard procedure. 4 Servicing/ overhauling of AC/DC seal oil pump per scope of work Sl. No.1 to 7 5 Replacement of AC/DC seal Oil Pump as per scope of work Sl No 1to 6 6 Replacement of following by isolating & dismantling and assembling & installation after completion of work per scope of work Sl. No. 1 to 3. 7 Bearing of seal oil pump. 8 Mechanical seal of seal oil pump 9 Servicing / Overhauling of vacuum pump of seal oil system as per scope of work Sl. No. 1 to 11. 10 Servicing/replacement of float valve as per scope of work Sl. No. 1 to 8. 11 Float valve of seal oil tank. 12 Float valve of vacuum tank. 13 Attending oil/water leakage from seal oil cooler as per scope of work Sl. No. 1 to 10. 14 Servicing / Replacement of following valves of H2 gas/seal oil system as per scope of work Sl. No. 1 to 6. 15 NB-08/15 16 NB-25/50 17 NB-100 18 Three-way valve 19 Pressure regulator Valve 20 Servicing of Duplex filter of seal oil system as per scope of work Sl. No. 1 to 9. 21 Removal of H2 gas from generator as per scope of work Sl. No. 1 to 6 22 Filling of H2 gas in generator as per scope of work Sl. No. 1 to 11 23 Attending Hydrogen/Water Leakage from Hydrogen Coolers as per scope of work Sl. No. 1 to 10. 24 Repairing of brass nozzles of H2/CO2 gas filling station as per scope of work Sl. No. 1 to 5. 25 Servicing of CO2 vaporizer as per scope of work Sl. No. 1 to 10 26 Overhauling of bearing vapor exhauster fan & motor as per scope of work Sl. No. 1 to 10. 27 Cleaning & Tightening of PT/ Electrical Components in LAVT Cubicle. As per scope of work Sl No 10. 28 Cleaning, checking and tightening of neutral grounding system of generator including Neutral grounding Transformer as per scope of work from Sl. No. 1 to 11. 29 Replacement of CT in IPBD. As per scope of work Sl No. 14. 30 Proper cleaning and painting of various electrical equipment’s in switchyard & transformer yard as per scope of work mentioned at Sl No. 23. 31 Painting letters & numbers over painted surface of various size as per scope of work at Sl. No. 25. 32 60mm X 10mm X 800Nos 33 120mm X 20mm X 100 Nos 34 Delinking & re-linking Generator phase or Neutral side 16.5 KV bushing connection from IP bus duct. 35 Delinking & re-linking Generator transformer from IP bus duct. 36 Delinking & re-linking of 16.5 KV bushing of UAT from IP bus duct 37 Delinking & re-linking of LAVT from IP bus duct. 38 Delinking & relinking of 16.5 KV bushing connection from Transformer winding of 39 Generator Transformer 40 Unit Auxiliary Transformer 41 Shifting of 16.5KV bushing from central store to G.T Transformer yard. 42 Removal & installation of 16.5 KV bushing 43 Removal & Installation of rubber bellow of IP bus duct after shifting of rubber bellow from ESD DTPS store to site 44 Opening & closing of upper manhole of IP busduct. 45 Opening & closing of lower manhole of IP busduct. 46 Opening & closing of rubber bellow/ring of IP bus duct. 47 Cleaning of 16.5 KV support insulator inside IP bus duct with petrol/CTC. 48 Removal & installation of 16.5 KV support insulators inside IP bus duct after necessary testing. 49 Drying out of LV Bushings / Seal off Bushings of Generator / GT/ ST/UAT and bring IR values upto the mark as per instruction of AE/JE. 50 Cleaning & checking of C.T. & tightening of C.T. connection inside IP Bus duct. 51 Cleaning/drying out of flexible links of Generator/GT /ST /UAT. 52 Disconnection & reconnection of Neutral Grounding Transformer of Generator 53 Tightness of the connection of GRP, DAVR and Station Transformer Relay Panels. 54 Replacement of defective relays, components, Transformers, Thyristor Bridge, MCB of GRP, STRP & DAVR. 55 Replacement of defective relays, components, Transformers, MCB in CXA 01, CXA02, CXA03, UECP & CECP. 56 Assistance in Testing of GRP Relays, STRP Relays, DAVR Testing & Other Testing/Tuning works related to DAVR. 57 Replacement of PT in LAVT Cubicle. 58 Removal & installation of 16.5 KV flexible jumper 59 Arranging hydra crane for loading, unloading, removal and installation of electrical equipment at ESD DTPS store / Transformer Yard/Switchyard if hydra crane is not provided by the department 60 Repairing and Servicing of Hydrogen Filling Valve/ Exciter Cooling Lines valves /Seal Oil System Suction and Discharge Valve of U#8&9, DTPS, HTPP. 61 Repairing and Servicing of Hydrogen Cooling line Valve of U#8&9, DTPS, HTPP 62 Machining of Flanges of Hydrogen and Exciter Cooling line of U#8&9, DTPS, HTPP 63 Machining of Stator casing of Seal Oil Vacuum Pump of U#8&9, DTPS, HTPP 64 Repairing and Machining of Rotor Bush of Seal Oil Vacuum Pump of U#8&9, DTPS, HTPP 65 Machining of stator casing of Seal Oil Pump of U# 8&9, DTPS, HTPP 66 Repairing and Machining of Rotor Bush of Seal Oil Pump of U#8&9, DTPS, HTPP 67 Drilling in Mechanical Coupling of Seal Oil Pump of U#8&9, DTPS, HTPP 68 Repairing of Bearing Chamber Exhaust Fan Blades
