MAINTENANCE REPAIRS TO HT 11KV PANELS TRANSFORMERS HT VCB OCBs HT LT CABLING NETWORK REPAIR TO LT PANELS AND ALLIED CONNECTED WORKS AT PHASE I AND FAR FLUNG AREAS UNDER GE I R AND D WEST BANGALORE

Amount

NOTE (Contd): (d) For this job, it is essential to deploy minimum (01 electrician and 02 helpera) and they have to report to concerned JE at AGE E/M office and necessary record of attendance & wks performed will be maintained in register on regular basis with AGE E/M. (e) Jobs should be done on regular basis as per directions and report to AGE after completion of part of job on daily basis and report will be submitted in frequency of every month. Penalty of ₹500.00 per job per day if report not submitted for part of job at specified time shall be levied. Contractor shall provide all tools such as HT/LT Meggar, Insulation tester, wrench, rope, bamboo ladder, search light, gum boots, rain coat, safety gloves and other tools and will make them in working condition all the time, will improve any other related electric wks which is considered essential by the deptt. if manpower is not available to perform job, a penalty of ₹1,000.00 per day shall be levied. (f) Execution of these works during one month will be considered as one unit (one job) for the payment purpose.

Maintenance/servicing of existing transformer of capacity up to 500 kVA which includes the following work / operations, complete all as specifed and directed: (a) Opening of top plate after disconnection from HT/LT side. (b) Decaning of old transformer oil & keeping it for reuse after centrifuging to required dielectric strength as per IS schedules (c) Checking maintenance of all internal parts as HT/LT coils of all places, HT bushing, internal electrical connections, tap changing gear box. (d) Internal cleaning of tank by taking of complete coil/core of transformer outside and also cleaning of cooling tubes and make it free from sludge deposition. (e) Refilling of oil after repairs / maintenance work. (f) Change of cork Gasket of top cover. (g) Taking meggar value by applying not less than 5000 Volts meggar on HT side and not more than LT side from 500 Volts meggar & recording results. (h) Change of silica jel and glass of oil level indicator of cover both.

All as per item No 2 above but of capacity above 500 kVA and upto 1500 kVA NOTE (for Sl. No 2&3 here-in-before): The cost of unserviceable items which are required to be repaired / replaced, such as HT/LT bushes, HT/LT stud and nut , bolt and washers, glands, plate, grouting, etc shall deemed to be included in the rates quoted by the contractor.

M&L for testing of transformer with respect to the following aspects and submission of the test report to Engr-in-charge and testing to be done through OEM / authorised channel partner / authorised service centre after approval of Engr-in-charge Following test to be done and test report to be submitted :- (a) Insulation resistance test (b) Oil temperature alarm trip (c) Winding temperature alarm trip (d) Bucholtz relay alarm trip (e) Low oil level alarm trip (MOG) (f) Vector group (g) Di-electric test of transformer oil (h) Short circuit test (j) Magnetic core balance test (MBT) (k) Overall transformer health test

M&L for filtration / dehydration of transformer oil including checking di-electric strength of oil before and after filtration for transformers located in entire DRDO area at CV Raman Nagar and far flung areas as directed with suitable machine having filtration, heating and pumping facility to improve the dielectric strength / insulation value of oil. NOTE :- (i) Di-electric strength of oil after filtration / dehydration shall not be less than 60 kV/min. (ii) The contactor shall take shut down orders in working days before commencement of the work, in writing from Engineer-in-charge. (iii) The contractor shall ensure no wastage of existing transformer oil. (iv) The di-electric strength of oil shall be tested before & after filtration and test results shall be submitted to Engineer-in-Charge. (v) The contractor shall ensure that the conservator tank are full to its level before starting the dehydration. (vi) Filteration to be carried out through authorised dealer only. Test Certificate (NABL accredited lab) shall be submitted by the contractor before commencement of work.

Supply and filling new transformer oil for topping up the transformers duly filtered with filtration plant having dielectric strength not less than 60 kV complete all as specified and directed. MAKE : Poweroil/ Electrol/ Servo. NOTE:- (a) The transformer oil shall be type EHV confirming to IS - 335/1983. (b) Mineral oil grade shall be used. (c) The IR value of transformer oil shall not be less than 55 kV/min.

Material and labour for spray painting to distribution transformer with two coats of synthetic enamel paint of smoke grey colour after neatly cleaning and preparing the surface for spray painting for the transformer of capacity upto and including 500kVA including writing SM / MES No (5 cm height) with white enamel paint, complete all as specified and directed.

All as per item No. 7 here-in-before but for transformers of capacity 1000kVA to 1500kVA, complete all as specified and directed.

Material & Labour for taking out loop of HT / LT cable under the 4 / 3 / 2 pole structure and near plinth mounted transformer / CSS to carry out necessary civil work around the installation, complete all as specified and directed. NOTE:- (a) Necessary civil work shall be measured under respective items of this Schedule (b) One cable of any length under 4 / 3 / 2 pole structure and near plinth mounted transformer / CSS shall be considered as one job

Surface dressing in soft / loose soil, not exceeding 15 cm deep under 4 / 3 / 2 pole structure or CSS, including disposal of spoil outside MD land, complete all as specified and directed.

Material and labour for Mild steel work (miscellaneous) as in Hand rails, half round or other steel section or core for wooden hand-rail straight portion, drilled and countersunk for balusters running bars, for doors, balusters, nosing to steps including embeding in concrete and screwing etc. wind ties for roof including ecuring bolts; posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc.; flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe-290 Gde E-165, complete all as specified and directed.

Material and labour for PVC coated chain link fencing 10 gauge thick galvanised steel wire and 50mm x 50mm size mesh fixed to steel fencing post by galvanized iron nut, bolt etc including provision of binding wire, complete all as specified and directed.

Material and labour in replacement of Rolled mild steel conforming to Fe 410-W(Gde-E- 250) quality - A as in Framed work as in doors or gates of angle or other section with gusset plates, rails, braces, etc., complete, drilled for fixing of steel sheeting or other covering. Doors, etc. to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails and guides) and hanging; also fastening and fixing complete, complete all as specified and directed.

Taking out old interlocking tiles and keep aside for re-use after removing of grass, shrubs and levelling of surface area and re-fixing of old interlocking tiles at same place, complete all as specified and directed.

Demolition of reinforced cement concrete of any description & in any position not otherwise specifically provided for complete all as directed

M&L for cable route indicator made out of MS sheet duly marked with HT Cable 11000 volt (engraved “HT CABLE / HT JOINT” coloured with two coats of synthetic paint in red) and with MS angle embeded in PCC 1:4:8 60 cm below ground level and 30 cm above Ground complete all as specified and as directed by Engineer -in-Charge

Cleaning and preparation of old painted surface of 2/4 pole structure and painting with one coat of aluminium paint to all steel structure such as channel/brackets, bracing, clamps, anti climbing device, cross arms and further synthetic enamelled painting 30 cm high alternate yellow & black strips with paint upto 1.5 mtr height to PCC pole and mention the FEEDER NAME with red synthetic enamel paint on each HT structurecomplete all as specified and directed.

Supply & fix in replacement new MS Cross arms, bracing, supports, clamps, anti climbing device and back plates fabricated from structural steel section including nuts, bolts, washers with reqd mech working/ process i.e. cutting, welding, bending, cold or hot, drilling holes, grinding or bolt in any shape or size including 2 coats of aluminium paint over one coat of red oxide including taking out unserviceable complete all as specified and directed by Engineer-in-charge. Note : Unexposed surface shall be given one coat of primer only.

Dismantling cross-arms of M.S. channel or angle sections etc. from HT poles by opening nuts, bolts complete as directed by Engr-in-charge.

Supply and fix in replacement lightening arrester expulsion type complete with all fittings, Distribution class, discharge capacity 65 KA rupturing capacity conforming to IS suitable for 11 KV, HT over head line complete including nuts, bolts, clamps, bracket etc and connecting with GI earth wire complete all as specified and directed.

Supply and fix in replacement Danger notice plate for HT of 25 cm x 20 cm x 1.6 mm thick mild steel sheet vitreous enameled white, with letters, figures and conventional skull and bones and wtitten as "DANGER" in signal red colour and incl provn and fixed with MS clamps made out of MS flat 25 mm x 3mm , including nuts & bolts, including 2 coats of aluminium paint over a coat of red oxide primer including dismantling all as specified. Note :- Words shall be written in three languages viz. -Kannada, Hindi and English.

Supplying and fix in replacement switch Air break Gang Operated Switch assembly (polymer insulators) outdoor type HT 11 KV triple pole, 200 Amps, vertical mounting type with fixed contacts and moving contacts of phosphorus bronze with mechnically operated from ground level with polymer insulator on steel frame incl suitable length GI pipe 25mm dia bore(medium grade) with handle and locking arrangment with 09 Nos polymer inuslators complete including taking out old unserviceable GO Switch assy all as specified and directed by Engineer-in-charge and (clamps/cross arms shall be measured and paid for separately). Make Jaipuria/ Universal/Pactil

Supply and fix in replacement drop out fuse assembly 11 kV with polymer insulator (06 nos) current carrying cap 200 Amp,incl HT fuse of capacity 10/15/20/30A as required at site on steel frame and all as specified and directed by Engineer-in-charge and (clamps/cross arms shall be measured and paid for separately). Make Jaipuria/ Universal/Pactil

M&L for HT jumper made of XLPE insulated aluminium conductor of size 150 Sqmm,with crimped thimbles at both ends complete fixing on 2 pole/ 4 pole structure as reqd at site.(3 Nos of required length at site HT Jumper shall be considered as one unit for payment )

Trimming of tree/branches at substation and surronding upto 5 Mtr radius of the substation and removing the branches and transporting the same out side the substaion all as specified and directed. Note: Any damage to existing structure will be responsibility of the contractor and rectification will be done without any finacial implications.

M & L for boring hole under the road / pavement / hard standing of any width with the help of trenchless technology using ultra sound technique and necessary machine and including HDPE pipe 150 mm of size not less than one metre below ground level complete all as specified & directed by Engineer-in-charge.

Supply and fixing in replacement of galvanised pipe light grade of ISI marked 150 mm bore for passing of cable fixed to poles/walls/laid under floor complete with and including fittings as required compete all as specified and directed by Engr-in-charge.

Supply and fixing in replacement of galvanised pipe light grade of ISI marked 100 mm bore for passing of cable fixed to poles/walls/laid under floor complete with and including fittings as required compete all as specified and directed by Engr-in-charge.

Material and labour for cutting and cleaning of grass by using manually/cutter machine all around Elect Instln and suitable chemical(round up) spraying near Package Sub Stations , Ring main Units and 4 pole /2 pole structure area complete all as specified & directed by Engineer in charge .

NOTE (Contd): (b) The following test shall be carried out through OEM/Authorised Channel partner/ Auth service centre and detailed report to be submitted to EIC:- (i) Injection Test/ ratio test of CT / PT (ii) BLANK (iii) IR Test with megger in open and closed condition. (v) Closing coil resistance (vi) Tripping coil resistance. (c) Testing and calibration of following relays of control panel with Suitable Injection Kit ,checking and programming of relay :- (i) Over current and earth fault relay (d) Testing of followig Aux relay (i) DC Supply supervision relay. (ii) Master trip relay

Servicing and calibration of RMU ( 3WAY/5 WAY) by OEM/Authorised Channel partner for setting of earth fault current/short circuit current/over load current setting (time & load) as per connected load in KVA on individual RMU and series of RMU/ VCBs/CSS on Service centre No 1,2,3, CAIR, ALISDA TECH & RESDL, MTRDC TECH & RESDL,.Electric load connected on RMU/Feeder/VCBs will be provide by the deptt. servicing of ring main unit (RMU) 3/5 way carried out by taking shutdown of 11 KV and disconnecting electrical connections, removing of dust with blower, cleaning of all movable/fixed parts, removing moisture/ hard carbon deposited due to flash over on bus bars and insulators with CRC/ Stanvac moisture/ carbon remover, checking all components, insulators/ studs, adjusting the male / female bushings in proper spacing, lubrication of moving parts, greasing all parts, tightening nuts and bolts, adjustment of breaker mechanism/ load break switch , earth switch to ensure slip free operation, testing of CT & PT with injection kit and reconnecting of all electrical connections, testing of RMU for healthiness and proper functioning and submitting report complete all as directed. Note: (a) Contractor shall submit complete report regarding CT & PT, Protection relay functioning pick up current & corresponding time value setting tests carried with injection testing kit, Relay testing kit. Any major Spare replaced shall be measured and paid seperately. (b) Contractor shall come to calibrate the RMU during any time of currency of work. (c) Primary & secondary injection test, IDMT relay test, IR test, Tripping & closing test, etc and other test suggested by the OEM/ should be done through OEM/Authorised Channel partner/ Auth service centre and report to be submitted to engr-in-charge.

Servicing and repairing of LT Air Circuit Breaker by drawing out mechanically ACB from cabinet clearing entire parts greasing, oiling tightening of nuts/bolts and replacing following unserviceable spare parts and reassembling the same. complete all as specified and as directed by Engr-in-charge (a) Supply only under voltage release coil 230 Volts (b) Supply only Shunt release coil 230 Volts (c) Supply only closing coil 230 Volts

Repairing/Replacement of potential transformer (PT) 11 KV/110 V with drawable type with automatic shutters by disconnecting PT from main power supply of VCB panel / Meter Cubical, separating fixed and moving chambers opening of covers, cleaning, meggering the windings etc., & commissioning after replacement of required unserviceable spare parts complete all as specified and directed. (i) Component / accessories to be replaced shall be inspected and approved by Engineer-in-Charge. (ii) Replacement of unserviceable spare parts/accessories for the equipment shall be measured and paid separately as supply only rates under relevant items of this schedule 'A'. (iv) Replacement of screws, nuts, bolts and consumables shall be deemed to be included in the rate quoted and no extra payment shall be allowed.

Excavation in trenches not exc. 1.5 m wide not exc. 1.5 m in depth; for laying of cables not exc. 10 Sqm on plan and getting out , trimming sides, forming bottom surface to required level complete in hard/dense soil all as specified and as directed by Engr-In-Charge.

Returning, filling in, including spreading, levelling, watering and well ramming in layers n.exc. 25cm thick as in soils all as specified and as directed by Engr-In-Charge.

Removing of excavated soil to a distance not exc. 50m and depositing where directed at a level n.exc 1.5m above starting point all as specified and as directed by Engr-In-Charge.

Supply and laying of HDPE DWC pipe 77 mm outer dia and 63 mm inner dia (double wall corrugated pipe for laying of underground cable with smooth innder face anc corrugated outer surface, srtiffness classe-SN4, IS 16098:2013, IEC 61386, pressure rating SN8, anti rodency, non flame propagation, permanently lubricated inner layer complete all as sepecified and directed by Engr-in-charge

Supply and laying of HDPE DWC pipe 120 mm outer dia and 103 mm inner dia (double wall corrugated pipe for laying of underground cable with smooth innder face anc corrugated outer surface, srtiffness classe-SN4, IS 16098:2013, IEC 61386, pressure rating SN8, anti rodency, non flame propagation, permanently lubricated inner layer complete all as sepecified and directed by Engr-in-charge

Supply and spread graded coarse aggreagate 20mm graded loose staking inside the chain fencing area of transformer.

Supply and spread graded coarse aggreagate 40mm graded loose staking inside the chain fencing area of transformer.

PCC 1:3:6 type C1 using 20mm graded stone aggregate for coping of poles/plinth blocks of HT poles etc including fair finishing the exposed surfaces even and smooth without using extra cement including necessary form work complete all as specified and as directed by Engr-In-Charge.

Supply and laying new 11 KV grade (Earthed) cable XLPE insulated, screened, bedded galvanised steel strip/wire armoured heavy duty with aluminium conductor of cross sectional area 185 Sqmm 3 core with cable protection works (as aplicable) laid in trenches/ducts/fixed on pole/wall/laid under road /path/culvert/drains/encased in pipe, including taking down existing cable necessary lugs,joiniting and tesing complete all as specified and directed by Engr-In-Charge.

All as per item No 43 here in above but 120 Sqmm x 3 core all as speicified and directed by Engr-in-charge.

All as per item No 43 here in above but 300 Sqmm x 3 core all as speicified and directed by Engr-in-charge

All as per item No 43 here in above but 240 Sqmm x 3 core all as speicified and directed by Engr-in-charge

All as per item No 43 here in above but 95 Sqmm x 3 core all as speicified and directed by Engr-in-charge

Supplying, jointing & testing for 11 KV (Earthed) grade cable for indoor end termination heat shrink type joint complete with joining material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 to185 sqmm complete all as directed and specified by Engr-in-charge

All as per item No 48 here in above but outdoor type 120 to185 Sqmm all as speicified and directed by Engr-in-charge

All as per item No 48 here in above but indoor type 50 to 95 Sqmm all as speicified and directed by Engr-in-charge

All as per item No 48 here in above but outdoor type 50 to 95 Sqmm all as speicified and directed by Engr-in-charge

All as per item No 48 here in above but indoor type 240 to 300 Sqmm all as speicified and directed by Engr-in-charge

All as per item No 48 here in above but outdoor type 240 to 300 Sqmm all as speicified and directed by Engr-in-charge

Supplying, jointing & testing for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with joining material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 to185 sqmm complete all as specified and directed by Engr-in-charge

All as per above item no 54 here in above but 3 core 240 to 400sqmm complete all as specified and directed by Engr-in-charge Note for item sr No 48 to 55:- (i) The rate quoted include any type of Excavation, earth work for taking out loop and returning, filling in any type of soil complete. (ii) The contractor has to arrange min 70% qty of the items for Srl item No 48 to 55 within 21 days of date of commencement of work and shall be handed over to concerned AGE E/M office to ensure availability without fail at any time. A recovery of Rs 1000/- per day shall be levied, if contractor fails to do so.

Taking down existing 1100 Volts grade cable and laying only XLPE insulated, screened, bedded galvanised steel strip/wire armoured heavy duty with aluminium conductor of cross sectional area 50 Sqmm 3.5 core with cable protection works (as aplicable) laid in trenches/ducts/fixed on pole/wall/laid under road /path/culvert/drains/encased in pipe, including necessary lugs,joiniting and tesing complete all as specified and directed and specified by Engr-in-charge.

All as per item No 56 here in above but 3.5 core 120 to185 Sqmm

All as per item No 56 here in above but 3.5 core 70 to 95 Sqmm

All as per item No 56 here in above but 3.5 core up to 35 Sqmm. Note:- (a) Cable laying under item no 56 to 59 shall be issued under "Schedule 'B' ". (b) Excavation for item no 56 to 59 shall be measured under respective items.

Supply and fixing MCCB 4 pole 415 Volts, 400 Amps,Ics=100%Icu, adjustable magnetic and adjustable thermal type with breaking capacity 36 KA including taking out old unserviceable MCCB complete all as specified and as directed by Engr-in-charge

Supply and fixing MCCB 4 pole 415 Volts, 250 Amps ,,Ics=100%Icu, adjustable magnetic and adjustable thermal type with breaking capacity 36 KA including taking out old unserviceable MCCB complete all as specified and as directed by Engr-in-charge

Supply and fixing MCCB 4 pole 415 Volts, 200 Amps, ,Ics=100%Icu, adjustable magnetic and adjustable thermal type with breaking capacity 36 KA including taking out old unserviceable MCCB complete all as specified and as directed by Engr-in-charge

Supply and fixing MCCB 4 pole 415 Volts, 160 Amps,,Ics=100%Icu, adjustable magnetic and adjustable thermal type with breaking capacity 25 KA including taking out old unserviceable MCCB complete all as specified and as directed by Engr-in-charge

Supply and fixing MCCB 4 pole 415 Volts, 100 Amps ,,Ics=100%Icu, adjustable magnetic and adjustable thermal type with breaking capacity 16 KA including taking out old unserviceable MCCB complete all as specified and as directed by Engr-in-charge

Program the existing numerical relay any model and type for over load and earth fault settings with respect to trip settings of HT panels sub station or other sub stn in such a way that faults are arrested locally including arranging or cracking of existing password all as required for smooth functioning of the HT panels complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of U/S relay any type and make with Numerical relay microprocesser based model including retrofiting to the existing panels and programming the relays for overlaod and earthfault setting with respect to trip settings of HT panels Sub station or other sub station insuch a way that fault are arrested locally the tip testing carry over suitable with 66KV sub station/other complete all as specified and directed by Engr-in-charge.

Repair and replacement of 01 nos shock absorber of door assy of RMU unit any type /capacity including servicing, dusting, cleaning , greasing , tighting the nut /bolt of moveable and unmovable parts of the complete RMU unit , checking loader/charging assy all as specified and directed by Engr-in-charge.

Supplying and laying synthetic Rubber insulated mats 2 mm thick for voltage upto 3.3 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m complete all as specified and directed by Engr-in-charge.

Supplying and laying synthetic Rubber insulated mats 2 mm thick for voltage upto 11 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m complete all as specified and directed by Engr-in-charge.

Supply, installation, testing and commissioning of 11000/110V ratio 1.0 class 100 VA three phase potential/voltage transformer suitable ground requirment of circuit breaker complete including taking down old existing unserviceable potentail transformer complete all as directed by Engre-in-charge.

Supply and replacement of HT 11 KV current transformer dual core epoxy insulation type suitable for existing CT ratio 200/100/5-5 as per site requirments testing and commissioning complete all as directed by Engr-in-charge

Supply and replacement of HT 11 KV current transformer dual core epoxy insulation type suitable for existing CT ratio 200/100/1-1 as per site requirments testing and commissioning complete all as directed by Engr-in-charge

Supply,filling of SF-6 gas for existing RMU as per site reqmt complete all as specified and directed by Engr-in-charge

Supply and fixing aluminium lugs of size 70 Sqmm to 240 sq.mm complete with crimping tool all as specified and as directed by Engr-in-charge.

Material and labour for preparation of old painted surfaces of electrical HT VCB / LT ACB/ LT Distribution panels/cable tray/ladders etc of any description over 10cm in width or girth and spray painting of one coat of synthetic enamel paint of exisitng shade and sign writing the description as directed by Engr-in-charge.

Material and labour for Cold Rolled Rectangular 4 mm Mild Steel Chequered Plate, Material Grade: E 350 including cutting, grinding , cable gland type hole on the same plate icluding taking out old plate any type all as speicified and directed by Engr-in-charge.

Dismantling insulators of any type, any size all as directed by Engr-in-charge

M&L of shackle type insulators of 100mm high, 115mm dia porcelain, vitreous, white, brown or green insulators for working pressure 11000 volts complete all as specified, required at site or directed by Engr-in-charge.

M&L polymer Pin type, vitreous, white, brown or green insulator including one galvanised mild steel spindle, having creapage distance of 320mm(min) insulator, two galvanised iron washers and one galvanised iron nut, 165 mm height, 200 mm dia for 11000 volts grade complete all as specified and directed by Engr-in-charge

M&L for polymer Disc type insulator, porcelain, vitreous 145mm high and 255mm dia any type, white, brown assembly for tension with tension clamps for conductors, working pressure 11000 volts all as directed by Engr-in-charge.

Supply and fix HT PT fuse of capacity 11 KV - 3 Amps all as specified and as directed by Engr-in-charge.

Supply and fix HT PT of capacity 11 KV - 6 Amps all as specified and as directed by Engr-in-charge.

Material and labour for taking out bottom trolly of HT VCB11 KV 400/800 Amps capacity after disconnecting power supply and carrying out servicing and maintenance of operating mechanism, latch assembly spring mechanism, checking of electrical control wiring of VCB and checking for proper functioning of shunt trip coil, lubricating of all moving parts and checking /cleaning of alignment of moving contacts with fixed contact assembly for proper functioning of operation. Reassembling of bottom trolly of HT VCB fixed in its original position and testing for smooth functioning complete all as specified and as directed.

Supply and fixing in replacement of moving contact assembly suitable for HT VCB 11 KV as per site requirement including dismantling the old unserviceable moving contact assembly suitable for HT VCB complete all as specified and as directed.

Supply and fixing in replacement of big and small end bearing of HT 11 KV VCB trolly including replacement of complete locking mechanism with integral spring charging handle for manual spring charge and replacement of closing coil and triping coil 24V DC including replacement of electro magnetic relay, coil rating 220 V, AC complete all as specified and directed.

Supply & fix vaccum Interpture bottol for the existing HT VCB including taking out old unserviceable vaccume Interputure bottol complete all as specified and as directed.

Supply and fix spring charging motor for 11 KV VCB suitable for the existing make including taking out old unserviceable one complete all as specified and directed.

Material and labour for finding out the cable fault of any size of cable upto 11 KV underground cable (HT and LT and of any capacity of cable with the help of cable fault loacator mounting on vehicle and with nessary disconnection of cable from two ends and making connection by joing after repairs and having the following items with electrician at site to find fault of up to length of 10 KM cable complete all as specified and directed by Engr-in-Charge with help of the following accessores- (a) Surge Generator with accessories (b) Head Phone (c) Pin Point Set T-505 with accessories (d) Earthing cable with clamp (e) Cable fault Locator T-905 with accessories (f) TC-808 with accessories (g) Soldering Iron/wire/capacitor unit/capacitor connecting cables/ power cable/nose plier. Notes: Excavation for the cable fault shall be done by the contractor by his own arrangement. Note :- (i) Charges of cable fault equipment carried out by BESCOM/other agencies are deemed to be included in the item rate quoted (ii) Contractor on demand by dept has to arrange the above equipment without any delay failing which penalty will be levied by the dept.

Dismantling and removing of defective transformer removing to workshop for repair, opening up and taking out coil, core and core assembly for estimation of repair and damaged parts cleaning/washing of tanks and removing the dust from all parts including cores, tanks, cooling tubes, removal of damaged parts making connection and assembling complete in all respects after repair/ replacement of coils, gasket, sheet, nuts and bolts, refilling of transformer oil, installation and testing on full load for testing for 11 KV capacity from 500 KVA to 1500 KVA complete all as specified and directed by the Engr-in-Charge. Note: 1. Spare parts and winding coils as mentioned under respective items of schedule shall be measured and paid for separately as supply only. These shall be identical to those specified by original manufacturer.

Supply replacement of super enamelled copper winding wire/ strip of any size for H.T. coils of transformers all as specified.

Supply replacment copper winding strip of any size for L.T. coils of transformers including providing insulation all as required.

Supply and filling up in replacement of Dehydrating agent silica gel superior quality to transformer's breather assy complete all as required and diercted.

S&F in replacement of Transformer breather assembly with silica gel filled breather unit of 500 gm capacity all as directed.

S&F in replacement of Transformer breather assembly with silica gel filled breather unit of 1000 gm capacity all as directed.

HT brass spindles with porcelain bush of power distribution transformer of capacity upto to 1500 KVA including taking out unserviceable spindle complete all as specified and as directed.

M& L in replacement cross arms, bracings, supports, clamps (including stay clamps, clamps for fixing GI tubes for passing through of cables) and back plates fabricated out of standard steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts in any shape or size incl welding work as directed and inclusive of providing two coats of aluminium paint over a coat of primer after preparation of steel surfaces complete all as specified and directed,

M&L for disconnecting the existing HT cable of any rating and capacity from poles/structure and connecting the same to bus bar box for carrying out repairs to pole/structure, after repairs to pole/structure reconnecting the same cable on pole/structure complete as per the direction of Engineer-in-Charge.

M&L for HT bus bar box suitable to connect 11 KV (09 Nos) cables during the repairs to HT pole, structure for continous supply during repair work, the bus bar box made out of 3.15 mm thick CRCA sheet out door type, front and rear openable having aluminium bus bar of 400 Amps capacity and duly powder coated body complete with CPRI approved panel with neccessary PCC work , angle iron 100 x 100 x 6mm having 60 cm above GL and 60 cm below GL complete all specified and directed by EIC.

Checking of existing LT panel/HT panel/Bldg VTPN/ Street light pole of any type near all buildings/sub stations using all safety methods carefully, tightening of all earthing connections using suitable devices like earth tester, insulation resistance tester,etc (the arrangement of testing devices is the responsibility of contractor). Details and results should be recorded in the register duly signed by electrician and JE E/M in all respects complete all as directed by Engr-in-charge. Note:- (a) The job shall be paid twice in the contract period. (b) All results/reading will be entered in the register by the contractor by taking signature of JE E/M/AGE E/M. (c) The details of test to be preformed(earth resistance test, IR test, Earth leakage test, etc) and format of the test sheet will be given by the EIC. (d) Printed testing records in the prescribed format by the EIC will be submitted for payment by the contractor.

Checking of existing Copper/GI strip/GI wire earthings of any type near all buildings/sub stations using all safety methods carefully, tightening of all earthing connections, pouring water in the earth pits through earth pit funnel properly, after 24 hrs of water pouring testing of earthing pit using earth tester (the arrangement of earth tester is the responsibility of contractor) whit washing to earth pit, marked/painted with exterior paint date of earth result checked earthing pit pertains to which equipment etc and reading in ohms etc properly and enter earth details and results in the register duly signed by electrician in all respects complete all as directed by Engr-in-charge. Note:- (a) The job shall be paid twice in the contract period. (b) All results/reading will be entered in the register by the contractor by taking signature of JE E/M/AGE E/M. (c) Printed testing records in the prescribed format by the EIC will be submitted for payment by the contractor.

M/S - KRUPA ELECTRICALS (BID ID -3491740)

GURU ENTERPRISES (BID ID -3495660)