GE ELECT/D-08/2025-26

Amount

M&L for excavation in trenches not exceeding 1.5m wide & not exceeding 1.5m in depth and n.exc 10 sqm on plan for foundations , laying of HT under ground cables/ GI pipes and steel tubular poles etc. and getting out as in soft / loose soil complete all as specified and directed by Engr-in-Charge.

M&L for returning, filling in, including spreading, levelling, watering and well ramming in layers not exc. 25 cm deep as in soil complete all as specified and directed by Engr-in-Charge.

M&L for removal of excavated material n.exc 50 mtr and depositing where directed at a level n.exc 1.5 mtr above in starting point complete all as specified and directed by Engr-in-Charge.

M&L for sand filling in trenches for cushioning of UG cables as layers of 8 cm before laying and 15 cm after laying of cables complete all as specified and directed by Engr-in-Charge.

Supplying and laying un-reinforced precast concrete cable cover, class HV, type 1, flat size 300mmx 180mm x 40mm for cable protection complete all as specified and directed by Engr-in-Charge

All as per srl item No 5 here-in-before but using old cable cover obtained under srl item No 1 here in before complete all as specified and directed by Engr-in-Charge.

M&L for boring of hole under road/pavement/hard standing or any other situation by manual means and suitable for passing of GI pipe 50 to 100 mm bore and making good both ends complete all as specified and directed by Engr-in-Charge.

S&F in replacement GI Pipe (light grade) with necessary accessories/ fittings for cable protections/pole for crossing of culverts/nallah of following bore sizes :-

Supplying, laying, jointing testing and connecting in replacement XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with multistranded aluminum conductors, 11 KV grade, IS 7098 marked, suitable for HT 11 KV(E) system, laid in trenches / ducts / encased in GI pipe / fixed to pole, including jointing & testing complete all as specified and directed by Engr-in-Charge of following sizes :-

95 sqmm 3 core.

120 sqmm 3 core.

185 sqmm 3 core

240 sqmm 3 core

300 sqmm 3 core

S&F of cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of following size :-

95 Sqmm 3 core.

120 Sqmm to 185 Sqmm, 3 core.

240 Sqmm to 300 Sqmm 3 core

S&F of Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of following size :-

95 Sqmm 3 core.

120 Sqmm to 185 Sqmm, 3 core.

240 Sqmm to 300 Sqmm 3 core

S&F of Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of following size :-

95 Sqmm 3 core.

120 Sqmm to 185 Sqmm, 3 core.

240 Sqmm to 300 Sqmm 3 core

Supplying, installation, commissioning and testing of 11 KV Current Transformer (CT`s), indoor type, resin cast epoxy type, of 13.1 KA/Sec having ratio 300/150/5-5 Amps having Core1: Class 5P10, 10VA for protection , Core2: Class 0.5, 10VA for metering and associated wiring including taking down old UNSV CTs complete all as specified and directed by Engr-in-Charge.

Supplying, installation, commissioning and testing of 11 KV Current Transformer (CT`s), indoor type, resin cast epoxy type, of 13.1 KA/Sec having ratio 250/125/5-5 Amps having Core1: Class 5P10, 10VA for protection , Core2: Class 0.5, 10VA for metering and associated wiring including taking down old UNSV CTs complete all as specified and directed by Engr-in-Charge

Supplying, installation, commissioning and testing of 11 KV Current Transformer (CT`s), indoor type, resin cast epoxy type, of 13.1 KA/Sec having ratio 400/200/5-5 Amps having Core1: Class 5P10, 10VA for protection , Core2: Class 0.5, 10VA for metering and associated wiring including taking down old UNSV CTs complete all as specified and directed by Engr-in-Charge

Supplying, installation, commissioning and testing of 11 KV Current Transformer (CT`s), indoor type, resin cast epoxy type, of 13.1 KA/Sec having ratio 200/100/5-5 Amps having Core1: Class 5P10, 10VA for protection , Core2: Class 0.5, 10VA for metering and associated wiring including taking down old UNSV CTs complete all as specified and directed by Engr-in-Charge.

Disconnecting electrically and mechanically outdoor transformers upto 630 KVA capacity, lowering down from PCC Platform, 4/6 pole structure carefully for major/minor repairs complete all as specified and directed by Engr-in-Charge.

Disconnecting electrically and mechanically indoor/outdoor transformers inside the substation or outdoor type on outside plinth upto 630 KVA capacity, carefully for major/minor repairs complete all as specified and directed by Engr-in-Charge.

M&L for lifting of core assembly by opening of top cover and other items for checking of faults/repair and lowering / refixing the same in its original position after inspection to make it ready for transportation to carry out rewinding work in workshop including transportation of unservicieable transformer upto 630 KVA capacity to workshop ( rate is deemed to be inclusive of transportation , T&P and men power ) complete all as specified and directed by Engr-in-Charge.

M&L for transportation of transformer of capacity upto 630 KVA from MES Yard to site location using Hydra/Crane and truck as per requirement to replace defective transformer including installation, testing and connecting at site and to deposit the same to MES Yard after receipt and installation of repaired transformer at site complete all as specified and directed by Engr-in-Charge. Note:- Contractor must arrange for transportation and installation for replacement of transformer at site immediately after receipt of verbal/telephonic/written complaint from JE/Engr-in-Charge within 1 day. Any delay beyond 1 day post receipt of complaint shall be penalized @ Rs 2500/- per day and shall be recovered from next due RAR.

M&L for alternative arrangement by hiring, transportation of transformer of capacity 500 / 630 KVA in place of unserviceable transformer on hire basis for 15 days including, installation, connecting and testing of transformer and return back after installation of repaired transformer complete all as specified and directed by Engr-in-Charge. Notes:- (i) Contractor must arrange hired transformer including transportation and installation at site immediately after receipt of verbal/telephonic/written complaint from JE/Engr-in-Charge within 1 day. Any delay beyond 1 day post receipt of complaint shall be penalized @ Rs 3500/- per day and shall be recovered from next due RAR. (ii) Repairing of transformer must be completed within 15 days after receipt of verbal/ telephonic/ written complaint from JE/Engr-in-Charge. In case of any delay, no extra claim will be entertained towards hiring charges beyond 15 days and the contractor shall not be allowed to shift the hired transformer until replaced by repaired transformer. In case of any kind of fault / defect occurred in hired transformer, the contractor shall have to arrange further replacement without any additional cost and shall repair the defect from his own expenses. (iii) Contractor should check the available infrastructure and to be sure regarding safety of hired transformer before installation. The rate quoted is deemed to be including transportation cost, earthing lead etc.

Taking out the unserviceable copper winding from transformer of capacity upto 250 KVA after opening top cover, and carrying out the following work complete all as specified and directed by Engr-in-Charge :- (a) Dismantling of all attachment viz breather assembly, conservator, oil temperature gauge, HT/LT bushing etc. and keeping aside for reuse. (b) Taking out the core with winding assembly. (c) Removing of complete winding from core and dismantling the core, cleaning of core laminate sheet and keeping aside for reuse (d) Cleaning of complete transformer tank oil fins, removing of sludge, and making the inside surface of tank dry by blowing of hot air as directed and specified. (e) Painting of outside surfaces of transformer complete by means of spray machine as directed.

All as per item No 22.00 here-in -before but capacity of transformer 315 to 630 KVA complete all as specified and directed by Engr-in-Charge. Note for Item No 22 & 23 : - In case the defective transformer not repaired & installed at site within the specified period of 15 days from the date of handing over of defective transformer/complaint to contractor, a penalty recovery @ Rs 2500/- per day will be charged from his dues.

(a) Repairs to the transformer of capacity upto 250 KVA as follows :- (i) Rewinding of HT/LT leg coil complete using copper wire /strip of appropriate gauge, size and turn as per existing with double paper coated insulation including all requisite insulating materials like packing sleeves, separator, tapes etc. heating, varnishing the core and winding assembly after framing up top and bottom steel structure of transformer all as specified and directed. (ii) Replacement of all insulating materials other than incorporated for rewinding of HT/LT coils as per existing. (iii) Fixing only HT procelain bushing with studs, nuts, washers 3 Nos. and LT procelain bushing with studs, nuts, and washers 4 Nos. and connection with primary and secondary windings and reconnecting with the main terminals as required and directed. (iv) Fixing only breather assembly, conservator, oil temperature gauge after proper cleaning, minor repairs etc. as required and directed. (v) Replacement of all unserviceable gasket from top cover, HT/LT bushing with new one by using rubberised gasket sheet 4.0mm/6.0mm thick duly pasted with suitable adhesive . (vi) Replacement of unserviceable bolts with new one and fixing of existing serviceable bolts, nuts, washers of different sizes and tightening properly. (vii) Repositioning of core and winding assembly inside the tank, assembling complete unit and making the transformer ready for filling oil and subsequent testing as directed. (viii) Filling/topping up of new transformer oil of required quantities. (b) M&L for transportation of repaired transformer to the original position (from where taken-down), disconnecting the alternative transformer, taking down the same, Re-installation of repaired indoor/outdoor transformer on 4/6 pole structure/plinth/inside sub station, connecting electrically and mechanically, testing and commissioning complete all as specified and directed. Note :-HT/LT leg coils copper wire/strip and transformer oil required shall be measured and paid separately under relevant items of this Schedule here-in-after as supply only.

All as per item No 24.00 here-in -before but capacity of transformer 315 to 630 KVA complete all as specified and directed by Engr-in-Charge.

Supply only HT coils with super enamelled copper wire /DPC of high quality duly matching with the existing guage and impedance complete all as specified and directed by Engr-in-Charge.

Supply only LT coils with super enamelled copper wire strip/DPC of high quality duly matching with the existing guage and impedance complete all as specified and directed by Engr-in-Charge.

M&L for ON load Centrifuging and dehydration including filteration and cleaning of transformer oil by dehydration machine of 11/0.433 KV transformer installed at various site on plinth/4/6 pole structure of any capacity and topping up deficient transformer oil including testing of samples before and after dehydration and filteration complete all as specified and directed by Engr-in-Charge. Note :- Deficient quantity of Transformer oil required for top up shall be measured and paid separately under item No 29 here-in -after as supply only.

Supply only transformer oil of approved quality as per IS having dielectric strength of 45-60 KV in 2.5mm gap for filling in transformer or for topping up as required and complete all as specified and directed by Engr-in-Charge

S&F in replacement, Porcelain Transformer bushing on LT (440 Volt) side, including brass stems conical bush and gasket after disconnecting electrically and mechanically for indoor/outdoor transformer of capacity upto 160 KVA and re-connecting electrically and mechanically, testing complete all as specified and directed by Engr-in-Charge. Note :- The rates quoted is deemed to be included the cost of necessary labour charges for draining out & re-filling transforer oil, opening of top cover by unscrewing nut, bolts washers and provision of pad type bus bar almuminium of approppiate size /capacities of transformers with nut bolt & washers.

All as per Serial item No 30 here-in-before but capacity 200 KVA to 315 KVA complete all as specified and directed by Engr-in-Charge

All as per Serial item No 30 here-in-before but capacity 400 KVA to 630 KVA complete all as specified and directed by Engr-in-Charge

S&F in replacement, Porcelain Transformer bushing on HT (11 KV) side, including brass stems conical bush and gasket after disconnecting electrically and mechanically for indoor/outdoor transformer of capacity upto 160 KVA and connecting electrically and mechanically, testing complete all as specified and directed by Engr-in-Charge. Note :- The rates quoted is deemed to be included the cost of necessary labour charges for draining out & re-filling transforer oil, opening of top cover by unscrewing nut, bolts washers and connections.

All as per Serial item No 33 here-in-before but 200 KVA to 315 KVA complete all as specified and directed by Engr-in-Charge.

All as per Serial item No 33 here-in-before but 400 KVA to 630 KVA complete all as specified and directed by Engr-in-Charge.

S&F in replacement, all unserviceable gasket after disconnecting electrically and mechanically for indoor/outdoor transformer of capacity upto 160 KVA and re-connecting electrically and mechanically, testing complete all as specified and directed by Engr-in-Charge. Note :- The rates quoted is deemed to be included the cost of necessary labour charges for draining out & re-filling transforer oil, opening of top cover by unscrewing nut, bolts washers etc.

All as per Serial item No 36.00 here-in-before but 200 KVA to 315 KVA complete all as specified and directed by Engr-in-Charge

All as per Serial item No 36.00 here-in-before but 400 KVA to 630 KVA complete all as specified and directed by Engr-in-Charge

S&F in replacement, Silica Gel Breather assembly including vent pipe and Silica Gel for indoor/outdoor transformers, capacity upto 160 KVA complete all as specified and directed by Engr-in-Charge.

All as per Serial item No 39.00 here-in-before but capacity 200 KVA to 315 KVA complete all as specified and directed by Engr-in-Charge

All as per Serial item No 39.00 here-in-before but capacity 400 KVA to 630 KVA complete all as specified and directed by Engr-in-Charge

S&F of Thermometer of transformer upto capacity 630 KVA complete all as specified and directed by Engr-in-Charge

M&L for painting of transformer installed on plinth/4/6 pole structures at various site of capacity upto 200 KVA with existing colour, with spraying machine, after cleaning, preparation of outer surface of transformer, including writing of SM No, MES and capacity of transformer complete all as specified and directed by Engr-in-Charge.

M&L for painting of transformer installed on plinth/4/6 pole structures at various site of capacity 250 to 630 KVA with existing colour, with spraying machine, after cleaning, preparation of outer surface of transformer, including writing of SM No, MES and capacity of transformer complete all as specified and directed by Engr-in-Charge.

M&L for earthing complete in replacement with galvanized steel earth plate electrode of size 60cmx60cmx6 mm thick, buried directly in ground (earth pit not less than 3.5 m below normal ground level) with top edge of earth plate not less than 2.5m below normal ground level, connected to galvanized iron strip 32X6 mm by means of electric arc welding of galvanised iron or steel as shown in electrical plate No 3 of SSR Part I, connected to earth test point and the equipment on the other side complete all as specified, including testing and commissioning complete all as specified and directed by Engr-in-Charge. Note : - (a) The unit rates quoted against this item shall be deemed to include the cost of excavation and earth work in any type of soil, common salt & charcoal dust in alternate layers, PCC 1:3:6 as in pit, precast RCC 1:2:4 type B-1 with necessary reinforcement as in cover & frame for pit, funnel, watering pipe 20 mm bore GI pipe light grade, protection pipe 40 mm bore GI pipe light grade etc. (b) The quoted rates shall also deemed to include the cost of earth test point and earth strip/GI earthing and protection pipe upto 7.5 meter beyond the earth plates electrode.

M&L for servicing /testing of breaker/control panel including CT, PT and relays in control panel of VCB of capacity 1250 /800/630 Amps and rating 11 KV complete as details mentioned as under:- (a) Details of servicing of breaker :- (i) Adjustment of mechanism if required. (ii) Clean the circuit breaker to remove dust and dirt. The envelope of the vacuum interrupter and insulating materials shall be wiped with a clean cloth. (iii) Apply a small amount of oil to rotary sections, sliding surfaces, pins, coupling section, etc.use grease for the operating shaft and bearings, and machine oil for other parts. (iv) Check for rust and wear. (v) Check Spring Tension and pitting of the Cluster Contacts. (vi) Visual check for rust and deformation. (vii) Check for loosened bolts and nuts, broken spring washers and snap pins etc. (viii) Check for loosened connections, rust, damaged lead wires. (ix) Check whether the contacts are damaged by arcing. (x) Checking of control circuit & tighten the connections if any. (xi) Check close & trip coil. (xii) Checking of Jaw Contacts Conditions and repair/adjust. (xiii) Replace the jaw contacts,If required. (xiv) Improvement of resistance of epoxy insulator and epoxy body by applying post heated varnish. (xv) Replacement of Dashpot/shock absorbers . (xvi) Replacement of carbon brush of spring charging motor (b) The following test shall be carried out:- (i) Primary Injection Test of CT / PT (ii) Closing & Opening Timing Test for all three poles. (iii) IR Test with megger in open and closed condition. (iv) Contact resistance test for all three poles (v) Closing coil resistance (vi) Tripping coil resistance. (c) Testing of following relays of control panel with Secondary 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

Supplying, fixing & testing in replacement master trip relay, 50/24 Volt DC in control panel including wiring complete all as specified and directed by Engr-in-Charge.

Supplying, fixing & testing in replacement Trip circuit supervision relay, 50/24 Volt DC in control panel including wiring complete all as specified and directed by Engr-in-Charge.

Supplying, fixing & testing in replacement DC supervision relay relay, 50/24 Volt DC in control panel including wiring complete all as specified and directed by Engr-in-Charge

Supplying ,fixing , testing of SF 6 gas pressure supervision relay , 50/24 Volt DC in control panel including wiring complete all as specified and directed by Engr-in-Charge

S&F of anti-condensation space heater with Thermostate control in cable and circuit Breaker compartments of HT switchgears complete all as specified and directed by Engr-in-Charge

S&F of TNC switch for breaker ON/OFF purpose in HT 11 KV VCB Panel including associated wiring if reqd for proper functioning complete all as specified and directed by Engr-in-Charge

S&F of charging moter and gear assy 230 AC suitable for 400 to 800 Amp 11 KV HT VCB including Testing & Putting on load complete all as specified and directed by Engr-in-Charge

S&F of vacuum interruption suitable for 630/800 Amps 11 KV HT VCB including taking down old UNSV vacuume interruption complete all as specified and directed by Engr-in-Charge

S&F of spout assembly suitable for 630/ 800 Amps 11 KV HT VCB including taking down old unsv spout assembly complete all as specified and directed by Engr-in-Charge

S&F of contact complete suitable for 630 / 800 Amp, 11 KV HT VCB including taking down old unsv fixing contact complete all as specified and directed by Engr-in-Charge

Testing the cables with high voltage DC testing machine and locating the fault in the cables by fault locating machine to pin point exact position of fault, disconnecting faulty 11 KV HT cables of different sizes from both ends, removal of Fault, Re-connections and testing of cables after removal of fault complete all as specified and directed by Engr-in-Charge. Note: (a) 11 KV HT cable & joints shall be measured and paid for seperately under respective items of schedule. (b) Retrieved old serviceable cable cover/bricks will be laid in trenches for cable protection. If extra PCC cover/bricks and sand required at site shall be measured and paid separately under respective items of BOQs. (c) Excavation and earth work will be measured and paid for seperately under respective items of schedule.

S&F in replacement Power Pack unit with battery bank protection 24V DC suitable for VCB 11 KV 630 Amp complete as specified and directed by Engr-in-Charage. Make : MMX / ALAN

M&L for servicing of 11 KV 630 Amp Ring Main Unit outdoor type including checking of imput and output supply connections oiling and greasing, testing and calibration, checking of tripping mechanism, cheeking of spring tension, checking of loosned bolts & nuts, rust, dameged load wires, checking of spring charging moter epoxy insulator and epoxy body complete all as specified and directed by Engr-in-Charge

M&L for checking the existing pressure of SF6 Gas, Supply and filling of SF-6 Gas up to required pressure in the gas chamber of 11 KV, 630 Amps, 3/4/5 way RMU and checking the pressure of gas after filling complete all as specified and directed by Engr-in-Charge

Supply installation & commissioning in replacement of 24V, 40A Float Cum Boost Battery Charger unit including battery bank comprising 02 Nos of 12 Volts, 00 AH sealed maintenance free batteries. The CCCV battery charger consisting of copper wound, air cooled transformer, 01 Set single phase full wave bridge rectifier consisting of diodes and SCRs, liberally rated mounted on heat sink and complete with resistor/condenser network for surge supperssion . During auto float mode automatic changeover shall take place from float mode to boost mode and vice versa, 01 Set of solid state constant potential controller to stabilize the DC output voltage of the float cum boost charger, 01 No electronic controller , DC digital ammeter , DC digital voltmeter, Potentiometer , DC, MCB for reverse battery protection . The charger should have alarm annunciation with visual and audible alarm with manual reset facility for fuse fail alarm. Float cum boost battery charger and DC distribution board shall be housed in powder coated sheet steel cubicle with panels of 1.6mm thickness , louvers for ventilation , gland plate will be provided for cable entry from bottom . The battery charger shall be divided into two compartments. The upper compartment shall house the battery charger & DCDB with all necessary controls. The lower compartment shall be suitable for housing the batteries. Tech specification shall be as under:- (a) Input working voltage-180 -270 Volts (b) Nominal Input Voltage - 230 V , AC , 50 Hz,1 (c) On load input power factor - > 0.8 (d) On load unit watt efficiencies-> 80% (e) No load losses of complete charge-< 10% (f) Ripple contents on the load (RMS)= 1% to 5% (g) Over load - 110% for 30 minutes and will give visual indication for over load condition. (h) Boost charging - 2.4 V/Cell . (j) Float charging -2.15 V/Cell (k) Float cum boost charging-Automatically changes from one state to another state as per battery condition and will give the visual indication for either float or boost based on charging mode. (l) Reverse polarity -No damage will caused . A visual indication for reverse polarity will appear with an audio alarm. (m) Short circuit-MCB protection provided.

Note : Contractor should procure and provide 50 % of the material as listed above within 15 days of the placing of work order and shall be verified by the Engr-in-charge.

Rajindera Enterprises (BID ID -3303204)

Vijay Electricals (BID ID -3307351)

ALLIED CONSTRUCTION (BID ID -3307121)

SB ENTERPRISES (BID ID -3307684)

MV Engineers And Contractors (BID ID -3306343)

mayur enterprises (BID ID -3305334)

DS CONSTRUCTION (BID ID -3308013)

Commercial Traders (BID ID -3308563)