Operation & Maintenance of (33/11KV and 11KV )Substations with Distribution Transformer (at Various Pumping Stations) under Narsapur Segment, Medak Division for FY 2026-27, (for the period from 01.10.2026 to 31.03.2027)

Man Power Engaging of ITI qualified Electrician with 5 years experince in substations from 01.10.2026 to 31.03.2027 (182 Days) for 33/11KV sub stations and 11KV transformer yards at 55 MLD Borapatla for the period 01.10.2026 to 31.03.2027 for 6 months

Engaging of ITI qualified Electrician with 5 years experince in substations from 01.10.2026 to 31.03.2027 (182 Days) for 11/11KV sub stations and 11KV transformer yards at Chekriyala Intake well for the period 01.10.2026 to 31.03.2027 for 6 months

Essential Items 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. 33/11KV substation at 55 MLD Borapatla 5MVA & Chekriyala 2MVA etc complete for the finished item of work excluding GST.

Carryout routine maintenance, servicing and testing of 630A to 3000A (33KV/11KV) 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 every 6 months @ 2*12401.08 = 24802.15 33/11KV substation at 55 MLD Borapatla etc complete for the finished item of work excluding GST.

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). 500KVA DTR locations: Borapatla WTP TSSPDCL Supply , 500 KVA, No.1,Make:K.R.K.POWERPVT.LTD, SI.No:1208(Erected), 250KVA DTR locations: Peerlagutta Powertech DTR 250KVA S.No:820/2016 160KVA DTR locations: Chekriyal Pumping Station 160KVA DTR Esenanar Make S.No153/13, Nallavaelly IPS 160KVA DTR SSE Make S.No:584/17 Supply By TSSPDCL 63KVA DTR locations: Chinnagottimukkala IPS 63KVA DTR Supply By TSSPDCL S.No;348609/02 complete for the finished item of work excluding GST.

Testing of Transformer oil for dielectric breakdown strength. 500KVA DTR locations: Borapatla WTP TSSPDCL Supply , 500 KVA, No.1,Make:K.R.K.POWERPVT.LTD, SI.No:1208(Erected), 250KVA DTR locations: Peerlagutta Powertech DTR 250KVA S.No:820/2016 160KVA DTR locations: Chekriyal Pumping Station 160KVA DTR Esenanar Make S.No153/13, Nallavaelly IPS 160KVA DTR SSE Make S.No:584/17 Supply By TSSPDCL 63KVA DTR locations: Chinnagottimukkala IPS 63KVA DTR Supply By TSSPDCL S.No;348609/02 etc complete for the finished item of work excluding GST.

Attending day to day emergencies(Sub-station check up & maintenance Day to day Protection related emergency 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 VCB mechanical 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 the concerned Engineer for every month etc complete for the finished item of work excluding GST.

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 of relay 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 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. for the finished item of work excluding all taxes etc complete.

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 for the finished item of work excluding GST.

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 commissioning at existing substations for every month etc complete for the finished item of work excluding GST.

Provisional Items : Supply, transportation and Erection of 33KV HG Fuse Sets with Insulators with Insulatorswith all standard accessories etc., complete with cost and conveyance of all materials etc complete for the finished item of work excluding GST. 33/11KV substation at 55 MLD Borapatla

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 etc complete for the finished item of work excluding GST.. 33/11KV substation at 55 MLD Borapatla

Supply, transportation and Erection of 33KV Polymer Insulators (B&S)with all standard accessories and metal parts etc., complete with cost and conveyance of all materials etc complete for the finished item of work excluding GST. 33/11KV substation at 55 MLD Borapatla

Supply, transportation and Erection of 11KV Polymer Insulators (B&S)with all standard accessories and metal parts etc., complete with cost and conveyance of all materials etc complete for the finished item of work excluding GST. 33/11KV substation at 55 MLD Borapatla

Supply, transportation and Erection of 33KV 800A AB Switch (Double Breaker) with all accessories including testing & Commissioning for the finished item of work excluding all taxes etc complete. 33/11KV substation at 55 MLD Borapatla

Supply, transportation and Erection of 11KV 800A AB Switch (Conventional) SB AB Switch with post type porcelain insulators with all accessories etc complete for the finished item of work excluding GST. 33/11KV substation at 55 MLD Borapatla

Supply, transportation and Erection of 11KV 400A AB Switch(Conventional) SB AB Switch with post type porcelain insulators with all accessories etc complete for the finished item of work excluding GST. 33/11KV substation at 55 MLD Borapatla

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) 33/11KV substation at 55 MLD Borapatla etc complete for the finished item of work excluding GST.

Supply and Run of 100mm x 50mm G.I strip (Cuurrent Carrying Capacity 1380A) including cost of all accessories and labour charges etc., complete. (5.36Kgs/1Mtr)(Data No.28.1.28 ) etc complete for the finished item of work excluding GST. 33/11KV substation at 55 MLD Borapatla

Suppy and Fixing of 24 V, 40 AH Batteries with Charger with all accessories etc complete for the finished item of work excluding GST. 33/11KV substation at 55 MLD Borapatla

Providing Transformer oil tested as per IS-335 - 1972 (per Ltr) 33/11KV substation at 55 MLD Borapatla

Filteration of transformer oil as per ISS specifications filters to die electric strength above 40 KV at site 33/11KV substation at 55 MLD Borapatla

200 sqmm ACSR Conductor (Panther-conductor) 33/11KV substation at 55 MLD Borapatla

Spacer clamps for 33KV bus etc complete GST. 33/11KV substation at 55 MLD Borapatla

33KV Bus T Clamps 33/11KV substation at 55 MLD Borapatla

33/11 KV substation at 55 MLD Borapatla & Borapatla 11 KV sub stations: Filteration of transformer oil as per ISS specifications filters to die electric strength above 40 KV at site 500KVA DTR locations: Borapatla WTP TSSPDCL Supply , 500 KVA, No.1,Make:K.R.K.POWERPVT.LTD, SI.No:1208(Erected), 250KVA DTR locations: Peerlagutta Powertech DTR 250KVA S.No:820/2016 160KVA DTR locations: Chekriyal Pumping Station 160KVA DTR Esenanar Make S.No153/13, Nallavaelly IPS 160KVA DTR SSE Make S.No:584/17 Supply By TSSPDCL 63KVA DTR locations: Chinnagottimukkala IPS 63KVA DTR Supply By TSSPDCL S.No;348609/02 etc complete for the finished item of work excluding GST.

Providing Transformer oil tested as per IS-335 - 1972 (per Ltr) 500KVA DTR locations: Borapatla WTP TSSPDCL Supply , 500 KVA, No.1,Make:K.R.K.POWERPVT.LTD, SI.No:1208(Erected), 250KVA DTR locations: Peerlagutta Powertech DTR 250KVA S.No:820/2016 160KVA DTR locations: Chekriyal Pumping Station 160KVA DTR Esenanar Make S.No153/13, Nallavaelly IPS 160KVA DTR SSE Make S.No:584/17 Supply By TSSPDCL 63KVA DTR locations: Chinnagottimukkala IPS 63KVA DTR Supply By TSSPDCL S.No;348609/02 etc complete for the finished item of work excluding GST.

Supply and erection of approved make 11 KV outdoor type gang operated Air Break switch of 200 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. 500KVA DTR locations: Borapatla WTP TSSPDCL Supply , 500 KVA, No.1,Make:K.R.K.POWERPVT.LTD, SI.No:1208(Erected), 250KVA DTR locations: Peerlagutta Powertech DTR 250KVA S.No:820/2016 160KVA DTR locations: Chekriyal Pumping Station 160KVA DTR Esenanar Make S.No153/13, Nallavaelly IPS 160KVA DTR SSE Make S.No:584/17 Supply By TSSPDCL 63KVA DTR locations: Chinnagottimukkala IPS 63KVA DTR Supply By TSSPDCL S.No;348609/02 etc complete for the finished item of work excluding GST.

Supply and erecting porcelain Disc type insulator suitable for 11KV line with suitable hardware on existing cross arms.etc complete for the finished item of work excluding GST.

Supply and erecting porcelain Pin type insulator suitable for 11KV line with suitable hardware on existing cross arms etc complete for the finished item of work excluding GST.

Supply and erecting porcelain Post type insulator suitable for 11KV line with suitable hardware on existing cross arms etc complete for the finished item of work excluding GST.

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 etc complete for the finished item of work excluding GST.

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) etc complete for the finished item of work excluding GST.

Supply and Run of 100mm x 50mm G.I strip (Cuurrent Carrying Capacity 1380A) including cost of all accessories and labour charges etc., complete. (5.36Kgs/1Mtr)(Data No.28.1.28 ) etc complete for the finished item of work excluding GST.

Supply and erection of 150 x 150 RSJ pole (8m) at 33/11KV Borpatla Sub Station etc complete for the finished item of work excluding GST.

Supply and erection of 100 x 50 mm MS channel at 33/11KV Borpatla Sub Station etc complete for the finished item of work excluding GST.

Supply and erection of75 x 8mm flat for clamps & earthing at 33/11KV Borpatla Sub Station etc complete for the finished item of work excluding GST.

Supply and erection of 200 sqmm Panther conductor etc complete for the finished item of work excluding GST.

Supply and erection of Strain Insulator set with metal parts (each set consists 3 Nos 11 KV strain insulators) Including testing & Commissioning for the finished item of work excluding all taxes etc complete.

Supply and erection of 33 KV AB switch800A AB Switch (Double Breaker) etc complete for the finished item of work excluding GST.

Supply and erection of 5 MVA Power Transformer etc complete for the finished item of work excluding GST.