Mission Bhagiratha O&M

Engaging of ITI qualified Electrician with 5 years experince in substations from 01.10.2026 to 31.03.2027 for 33/11KV sub stations and 11KV transformer yards

Work of repairs/servicing and overhauling of on load tap changer (OLTC) of upto 33KV/11KV 8MVA transformer as specified below: Painting of transformer including platform CTS etc., with one cost of red oxide to the rusted portion of transformer, 2 coats of M/s grey enamel paint, RYB color paint to CT caps for identification etc., Rates should quote inclusive of cleaning of the transformer of all sizes.

Routine maintenance of transformer in operation covering insulation resistance oil, break down strength. Reconditioning / replacement of silicazel, cleaning of transformer and topping upto oil level if required (extra cost will be paid for oil).

SERVICING OF HT VCBs Carryout routine maintenance, servicing and testing of 630A to 3000A HT VCB by cleaning fixed contacts, moving contacts and arcchutes including servicing and putting the VCB in perfect working condition after detting all relay and ON, OFF mechanism etc done with only manufacturing companies / Authorised dealers of respective switch gears

Attending day to day emergencies(Sub-station check up & maintenance Day to day Protection relatedemergency works attending and maintenance works of various 33/11KV Substations including Initial assessing the exact faults in the protective device in the VCBs & other protective devices to take up the further works, Rectification/ Replacement of AC/DC fuses, Selector switches, TnC Switches, Push buttons, Hooters, bells, TBs, Ammeters, voltmeters, MW/ KW meters, MVA/ KVA meters, Indication lamps, MVAR/ KVAR meters, PF meters, Panel type energy meters, Terminals, Trip Coils, Close Coils, Spring Charging motors, Relays, Big Gears,Pinion gears, Small gears, 12 V Batteries, 2V Batteries, 24v Chargers, damaged/ defective wiring, etc , measurement of earth resistance, Breaker Operation time (O-CCO) with Breaker timer kits, checking for continuity/ interconnections between earth pits & equipments with primary injection kits, insulation resistance of CTs, PTs, Breakers with Insulation resistance measurement tester (megger), Ratio of CTs with primary injection kits, Tightening of all connections inside the breaker panel, Control Panel, CR Panel, Control Circuit, Battery chargers, battery connections, PTR marshalling boxes, Wiring of CTs and PTs when defective CTs and PTs replaced with new one, Restoration of PT supply to the panel when it fails, Balancing of capacitor bank when cells failed, Fixing up of desired relay settings for feeder, LV, HV, GC breakers, Checking up of VCBmechanical spring charging problem, Checking up of trip circuit healthy of CBs, AC Supply restoration to the breaker when fails, 220V DC supply extension to the VCBs, 24V DC battery chargers connections extension to the VCB when the existing charger fails, Minor alignment of breaker for CB operations, Snatch gap adjustment of breaker to take CB in to service, Identification and rectification of wiring problem of breaker, DC system, AC system for protective equipment, Rectification of mechanical/ slow closing problem of CB where material is not required for the work, Attending the Minor mechanical problems of CBs (Closing / tripping may be electrical or mechanical), Testing of new VCBs (Primary injection, IR values, DC resistance, etc), attending & rectification of oil leakages problems of CTs & PTs, Oil topup in CTs & PTs wherever required, Replacements of Clamps, jumpers, studs, bush rods, bolts & nuts, gaskets, connections of CTs & PTs and other protection related works entrusted by theconcerned Engineer for every month

Testing of static/electro mechanical Relay elements for proper operation including recording of all name plate details of Relays & Circuit Breakers, recording of existing relay settings, testing of each element ofrelay with calibrated relay test kit, recording of re;ay test results in systematic procedure, adjusting & fixing up of time settings of relays wherever required for proper functioning, fixing up of relay settings &grading as per department requirement, recording of revised relay settings of wherever revised, testing of relays by conducting primary injection to the CTs, verification & correcting of connections from CTs to Relays wherever required for proper functioning, carrying out minor rectifications, Measurement & recording of Insulation Resistance values of Current Transformers & Circuit Breakers & connected equipment with suitable calibrated Insulation Measurement Tester, recording of all test results in asystematic way & submission to the department in five copies, execution of work by qualified & experienced persons with contractor owned/ hired calibrated suitable testing equipment as per standards in presence of the concerned AE/ DEE/ EE by proper advance planning, intimation & coordination with the concerned officials, etc for completion of work within schedule time for proper operation of equipment and the rate is inclusive of testing charges transport, loading, unloading, local movement, hire charges, calibration charges, insurance to the working persons, etccomplete.

Testing of IED Relay complete all required elements for proper operation including recording of all name plate details of Relays & Circuit Breakers, recording of existing relay settings, testing of each element of relay with calibrated relay test kit, recording of relay test results in systematic procedure, adjusting & fixing up of time settings of relays wherever required for proper functioning, fixing up of relay settings & grading as per department requirement, recording of revised relay settings of wherever revised, testing of relays by conducting primary injection to the CTs, verification & correcting of connections from CTs to Relays wherever required for proper functioning, carrying out minor rectifications, Measurement & recording of Insulation Resistance values of Current Transformers & Circuit Breakers & connected equipment with suitable calibrated Insulation Measurement Tester, recording of all test results in a systematic way & submission to the department in five copies, execution of work by qualified & experienced persons with contractor owned/ hired calibrated suitable testing equipment as per standards in presence of the concerned AE/ DEE/ EE by proper advance planning, intimation & coordination with the concerned officials, etc for completion of work within schedule time for proper operation of equipment and the rate is inclusive of testing charges transport, loading, unloading, local movement, hire charges, calibration charges, insurance to the working persons, etc complete.

Attending day to day emergency works Day to day Power Transformers related emergency works attending and maintenance works of various 33/11KV Substations including initial identification of the defects of PTR on complaints from field to take up the further works, General Checkup of PTRs for healthiness, Attending of minor Oil Leakage complaints, Toping up of oil to the Main & OLTC conservator tanks, Attending the Low Oil Complaints, etc all complaints, Carrying of periodical maintenance of PTRs, Conducting tests periodically as per the norms, Preventive, Breakdown, Predictive & proactive maintenance of PTRs, Conducting pre-Commissioning & Commissioning tests for new & repaired transformers, Replacement of Oil Seals, Silicagel, breathers, Oil cups, PTR Clamps, WTIs,OTIs, PRVs, MOGs, Terminals, Marshalling boxes, probes, Jumpers, Termination of Cables in marshaling box, etc , Measurement of Insulation resistance, DC Resistance, ratios, voltages, Currents, earth resistance of individual earth pits & combined SS earth mat, etc, Checking up of alarms pertains to OT/WT/OLTC/MOG/Bucholtz, Conducting pre commissioning Tests of PTRs when commissioningat existing substations for every month

Testing of Transformer oil for dielectric breakdown strength.

Supply, transportation and Erection of 33KV HG Fuse Sets with Insulators with Insulators with all standard accessories etc., complete with cost and conveyance of all materials

Supply and erection of approved make 11KV, H.G fuse set with insulation complete with Fuse holders, Fuse barrel with metal fittings, fuse element mounted on M.S. channel with working current 15A capacity complete with cost and conveyance of all materials.

Supply, tarnsportation and Erection of 33KV Polymer Insulators (B&S)with all standard accessories and metal parts etc., complete with cost and conveyance of all materials

Supply, tarnsportation and Erection of 11KV Polymer Insulators (B&S)with all standard accessories and metal parts etc., complete with cost and conveyance of all materials

Supply, transportation and Erection of 33KV 800A AB Switch (Double Breaker) with all accessories

Supply, transportation and Erection of 11KV 800A AB Switch (Conventional) SB AB Switch with post type porcelain insulators with all accessories

Supply, transportation and Erection of 11KV 400A AB Switch(Conventional) SB AB Switch with post type porcelain insulators with all accessories

Providing independent earthing for Important equipment with 100mm dia Heavy gauge C.I ( Cast iron ) pipe with Flange 2.5m long enclosed in C.C/ brick massonry chamber of 450m x 450m x400mm with R.C.C. Slab cover duly providing staggered holes filling with salt and charcoal from the bottom of the pipe giving earth connection from electrode through flange with all accessories and labour charges complete, as per IS specifications 732/1982 (Part II)

Suppy and Fixing of 24 V, 40 AH Batteries with Charger with all accessories

Providing Transformer oil tested as per IS-335 - 1972 (per Ltr)

Filteration of transformer oil as per ISS specifications filters to die electric strength above 40 KV at site

Filteration of transformer oil as per ISS specifications filters to die electric strength above 40 KV at site

Providing Transformer oil tested as per IS-335 - 1972 (per Ltr)

Replacing the breather of the DTR/PTR.

Providing and errecting heat shrinkable indoor termination kit for 11 KV HT XLPE insulated armoured cable 70-95 Sqmm 3 core with necessary materials etc., complete. Makes : Raychem / Transeal / M Seal

Providing and errecting heat shrinkable indoor termination kit for 11 KV HT XLPE insulated armoured cable 120 Sqmm 3 core with necessary materials etc., complete. Makes : Raychem / Transeal / M Seal

Supply and erection of approved make 11 KV outdoor type gang operated Air Break switch of 400 A capacity with 3 post pin type insulator per phase, mounted in Horizantal / Vertical position with necessary channels on cross arms with adequate length of 'C' class GI pipe for operating handle provided with Lock & Key at suitable height from ground level with necessary clamps.

Supply, transportation and Erection of 11 KV 800 Amps (Conventional) AB Switch

Supply and erecting porcelain Disc type insulator suitable for 11KV line with suitable hardware on existing cross arms.

Supply and erecting porcelain Pin type insulator suitable for 11KV line with suitable hardware on existing cross arms.

Supply and erecting porcelain Post type insulator suitable for 11KV line with suitable hardware on existing cross arms.

Supply and erection of approved make 11KV, H.G fuse set with insulation complete with Fuse holders, Fuse barrel with metal fittings, fuse element mounted on M.S. channel with working current 15A capacity complete with cost and conveyance of all materials.

Providing independent earthing for Important equipment with 100mm dia Heavy gauge C.I ( Cast iron ) pipe with Flange 2.5m long enclosed in C.C/ brick massonry chamber of 450m x 450m x 400mm with R.C.C. Slab cover duly providing staggered holes filling with salt and charcoal from the bottom of the pipe giving earth connection from electrode through flange with all accessories and labour charges complete, as per IS specifications 732/1982 (Part II)