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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | 1₹21.9 LAccepted-AOC A 303 VEENA CGHS LTD PLOT NO 5D SECTOR 22 DWARKA NEW DELHI 110077 | NEW DELHI | SOUTH WEST DELHI | DELHI | 110077 | 1 | Accepted-AOC Acceopted being L1 | |
| 2 | 2₹24.1 L+₹12,599 (0.53%)Rejected-Finance NO 9 BYRAVESHWARA INDUSTRIAL ESTATE ANDRAHALLI MAIN ROAD NEAR PEENYA 2ND STAGE BENGALURU 560 091 | BENGALURU URBAN | KARNATAKA | 560091 | 2 | Rejected-Finance Rejected being not L1 | |
| 3 | 3₹24.2 L+₹23,620 (0.99%)Rejected-Finance | 3 | Rejected-Finance Rejected being not L1 | |
| 4 | 4₹24.8 L+₹86,760 (3.62%)Rejected-Finance 3788 SHAH GANJ GB ROAD NEW DELHI 110006 | NEW DELHI | DELHI | DELHI | 110006 | 4 | Rejected-Finance Rejected being not L1 | |
| 5 | 5₹25.9 L+₹1.9 L (8.02%)Rejected-Finance 00 BACHUAPAR RAJESULTANPUR ALAPUR AMBEDKAR NAGAR UTTAR PRADESH 224176 | AMBEDKAR NAGAR | UTTAR PRADESH | 224176 | 5 | Rejected-Finance Rejected being not L1 |
| Sl No | Description | Qty | Unit | Commercial Traders L4 | mayur enterprises L7 | Ridhi engineers and builders L1 | BLUE HILL ELECTRICAL AND ELECTRONICS L8 | ALLIED CONSTRUCTION L3 | Vijay Electricals L2 | SB ENTERPRISES L5 | M/S ADHIKARI CONSTRUCTION CO. L6 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.00 | Material & Labour for disconnecting carefully electrical connection from both HT/ LT (primary & secondary) sides of the transformer, keeping them at safe side and taking out the transformer/Voltage stabiliser indoor/ outdoor type of capacity 1000 KVA to 1500 KVA, 11 KV/433KV, step down any make for carrying out complete overhauling which shall comprise complete all as specified and directed by the Engineer-in-Charge of the following:- a) Material & Labour for lifting, transporting, handling the transformer to workshop and back to the original location after complete overhauling. b) Conducting the tests on core and windings as per IS like ratio, magnetic imbalance, short circuit etc. in presence of Engr-in-Charge and test results shall be signed both by the contractor and Engineer -in-Charge and kept on record.
Note:- (i) Any damage to insulators/ bushes/ windings etc. while in the custody of the contractor shall be made good at no extra cost to Department. The serviceability of the transformer shall be checked and confirmed by the contractor before taking into his custody. (ii) Material & Labour for rewinding/ re-insulation of HT/ LT (primary/ secondary) coils, bushes, studs, Transformer oil, cable box, replacement of bucholtz relay/ MOG if any etc will be measured and paid separately. | 1 | Each Job | 15,000 ₹15,000 | 5,000 ₹5,000 | 9,000 ₹9,000 | 80,000 ₹80,000 | 5,000 ₹5,000 | 4,000 ₹4,000 Lowest | 18,000 ₹18,000 | 4,999 ₹4,999 |
| 2.00 | All as per Item No. 1 herein before but transformer/Voltage stabiliser indoor/ outdoor type of capacity up to 400 KVA to 750 KVA complete all as specified and directed by the Engineer-in-Charge. | 2 | Each Job | 12,000 ₹24,000 | 5,000 ₹10,000 | 4,500 ₹9,000 | 30,000 ₹60,000 | 5,000 ₹10,000 | 4,000 ₹8,000 | 15,000 ₹30,000 | 1,999 ₹3,998 Lowest |
| 3.00 | All as per Item No. 1 herein before but transformer/Voltage stabiliser indoor/ outdoor type of capacity up to 100 KVA to 315 KVA complete all as specified and directed by the Engineer-in-Charge. | 2 | Each Job | 12,000 ₹24,000 | 5,000 ₹10,000 | 4,500 ₹9,000 | 30,000 ₹60,000 | 5,000 ₹10,000 | 4,000 ₹8,000 | 10,000 ₹20,000 | 1,999 ₹3,998 Lowest |
| 4.00 | Filtration of transformer oil of transformers/ FRMUs installed at various locations to achieve di-electric strength not less than 60 KV at 2.5mm gap as per relevant IS with portable filtration plant, testing of the oil for the di-electric strength before filtration and after filtration complete all as specified and directed by the Engineer-in-Charge. | 15,000 | Litre | 12 ₹1,80,000 | 15 ₹2,25,000 | 7 ₹1,05,000 Lowest | 9 ₹1,35,000 | 9 ₹1,35,000 | 10 ₹1,50,000 | 9 ₹1,35,000 | 19.99 ₹2,99,850 |
| 5.00 | Supply and topping up of transformer oil with di-electric strength not less than 60 KV in to the conservator tank/ body tank of the transformer/ OCB/ FRMUs etc at various locations complete all as specified and directed by the Engineer-in-Charge. | 600 | Litre | 160 ₹96,000 | 200 ₹1,20,000 | 125 ₹75,000 Lowest | 130 ₹78,000 | 380 ₹2,28,000 | 200 ₹1,20,000 | 149 ₹89,400 | 999 ₹5,99,400 |
| 6.00 | Material & Labour for rewinding of distribution transformers of capacity ( 100 KVA to 1500 KVA)/ type by winding the low insulation/defective coils of Primary Coil (HT coil) with new copper wire as per I.S. of same gauge and existing size together with new insulated materials/ bracings before placing in to the transformer and assembling the coil with new insulation and fitting the coils in the chamber, testing and commissioning the transformer and recording the test results complete all as specified and directed by the Engineer-in-Charge.
[Note: Material & Labour for re-insulation of serviceable coils will be measured & paid separately under relevant items.] | 360 | KG | 980 ₹3,52,800 | 850 ₹3,06,000 Lowest | 900 ₹3,24,000 | 1,100 ₹3,96,000 | 850 ₹3,06,000 Lowest | 1,200 ₹4,32,000 | 1,100 ₹3,96,000 | 1,499 ₹5,39,640 |
| 7.00 | Material & Labour for rewinding of distribution transformers of capacity (100 KVA to 1500 KVA)/ type by winding the low insulated/ defective coils of Secondary Coil (LT Coil) with new copper wire as per I.S. of same gauge and existing size together with new insulated materials/ bracings before placing in to the transformer and assembling the coil with new insulation and fitting the coils in the chamber, testing and commissioning the transformer and recording the test results complete all as specified and directed by the Engineer-in-Charge.
[Note: Material & Labour for re-insulation of serviceable coils will be measured & paid separately under relevant items.] | 320 | KG | 845 ₹2,70,400 Lowest | 850 ₹2,72,000 | 900 ₹2,88,000 | 1,100 ₹3,52,000 | 850 ₹2,72,000 | 1,200 ₹3,84,000 | 1,100 ₹3,52,000 | 1,499 ₹4,79,680 |
| 8.00 | Material & Labour for re-insulating windings of distribution transformers of capacity ( 100 KVA to 1500 KVA) / size/ type by strip opening of HT/ LT coils (i.e. Primary/ secondary coils) from core assembly safely, unwinding the HT/ LT coils (i.e. Primary/ secondary coils) complete, removing the old defective insulation paper and replacing with new DPC insulation to the copper conductor, re-varnishing of the windings with super varnish including heating/ drying/ backing complete carefully and thoroughly inside the heating chamber at suitable temperature to obtain required value of insulation resistance etc. all as per IS 1986-87 and complete all as specified and directed by the Engineer-in-Charge. | 150 | KG | 675 ₹1,01,250 | 850 ₹1,27,500 | 900 ₹1,35,000 | 500 ₹75,000 | 850 ₹1,27,500 | 1,200 ₹1,80,000 | 300 ₹45,000 Lowest | 1,499 ₹2,24,850 |
| 9.00Disconnection of the Distribution Transformer from HT and LT supply mains, removing of Bus duct and Bus bar, Leakage arresting to following transformers by draining out of oil, after arrangement of necessary empty oil drums, buckets etc., dismantling of top cover and accessories, dismantling of LT bushings by disconnecting leads/jumpers from inside, replacement of gaskets and oil seals and re fixing of the LT bushings, making internal and external connections, replacement of cover gasket and accessories, refixing of accessories and cover, filling of transformer oil complete, and making cable connections and for energising the transformer complete all as specified and directed by the Engineer-in-Charge. (Cost includes materials like gaskets and oil seals and labour, the Bushing and bushings rods to be measured and paid separately). | |||||||||||
| 9.01 | (a) 630 kVA to 1500 kVA | 5 | Each Job | 9,000 ₹45,000 | 5,000 ₹25,000 | 5,500 ₹27,500 | 2,500 ₹12,500 | 3,000 ₹15,000 | 1,200 ₹6,000 | 5,000 ₹25,000 | 999 ₹4,995 Lowest |
Tender Value
₹49 L
EMD Value
₹98,000
Closing Date
7 Nov 2025, 6:00 pmClosed
GE UTILITY ELECTRIC SUPPLY
GE UTILITY ELECTRIC SUPPLY DELHI CANTT
REPAIR MAINT OF VCB S RMU S DISTRIBUTION TRANSFORMERS 11 KV ELECTRICAL DISTRIBUTION SYSTEM INCLUDING REPAIR CALIBRATION OF RELAYS METERS AND OTHER ALLIED WORKS AT COD AREA 1811 PNR COY 226 SUPPLY DEPOT FOL DEPOT KIRBY MAP ACCN KIRBY OFFICER ACCN LAO
2025_MES_735840_1
GE ELECT/D-68/2025-26
Open Tender
Electrical and Maintenance Works
Item Rate
180 days
GE UTILITY ELECTRIC SUPPLY
AS PER TENDER DOCUMENTS
7 documents required · 7 mandatory
₹500
Yes
GE UTILITY ELECTRIC SUPPLY
₹98,000
Yes
29 Dec 2025
17 Oct 2025
10 Nov 2025
17 Oct 2025
7 Nov 2025
31 Oct 2025
Amount
Material & Labour for disconnecting carefully electrical connection from both HT/ LT (primary & secondary) sides of the transformer, keeping them at safe side and taking out the transformer/Voltage stabiliser indoor/ outdoor type of capacity 1000 KVA to 1500 KVA, 11 KV/433KV, step down any make for carrying out complete overhauling which shall comprise complete all as specified and directed by the Engineer-in-Charge of the following:- a) Material & Labour for lifting, transporting, handling the transformer to workshop and back to the original location after complete overhauling. b) Conducting the tests on core and windings as per IS like ratio, magnetic imbalance, short circuit etc. in presence of Engr-in-Charge and test results shall be signed both by the contractor and Engineer -in-Charge and kept on record. Note:- (i) Any damage to insulators/ bushes/ windings etc. while in the custody of the contractor shall be made good at no extra cost to Department. The serviceability of the transformer shall be checked and confirmed by the contractor before taking into his custody. (ii) Material & Labour for rewinding/ re-insulation of HT/ LT (primary/ secondary) coils, bushes, studs, Transformer oil, cable box, replacement of bucholtz relay/ MOG if any etc will be measured and paid separately.
All as per Item No. 1 herein before but transformer/Voltage stabiliser indoor/ outdoor type of capacity up to 400 KVA to 750 KVA complete all as specified and directed by the Engineer-in-Charge.
All as per Item No. 1 herein before but transformer/Voltage stabiliser indoor/ outdoor type of capacity up to 100 KVA to 315 KVA complete all as specified and directed by the Engineer-in-Charge.
Filtration of transformer oil of transformers/ FRMUs installed at various locations to achieve di-electric strength not less than 60 KV at 2.5mm gap as per relevant IS with portable filtration plant, testing of the oil for the di-electric strength before filtration and after filtration complete all as specified and directed by the Engineer-in-Charge.
Supply and topping up of transformer oil with di-electric strength not less than 60 KV in to the conservator tank/ body tank of the transformer/ OCB/ FRMUs etc at various locations complete all as specified and directed by the Engineer-in-Charge.
Material & Labour for rewinding of distribution transformers of capacity ( 100 KVA to 1500 KVA)/ type by winding the low insulation/defective coils of Primary Coil (HT coil) with new copper wire as per I.S. of same gauge and existing size together with new insulated materials/ bracings before placing in to the transformer and assembling the coil with new insulation and fitting the coils in the chamber, testing and commissioning the transformer and recording the test results complete all as specified and directed by the Engineer-in-Charge. [Note: Material & Labour for re-insulation of serviceable coils will be measured & paid separately under relevant items.]
Material & Labour for rewinding of distribution transformers of capacity (100 KVA to 1500 KVA)/ type by winding the low insulated/ defective coils of Secondary Coil (LT Coil) with new copper wire as per I.S. of same gauge and existing size together with new insulated materials/ bracings before placing in to the transformer and assembling the coil with new insulation and fitting the coils in the chamber, testing and commissioning the transformer and recording the test results complete all as specified and directed by the Engineer-in-Charge. [Note: Material & Labour for re-insulation of serviceable coils will be measured & paid separately under relevant items.]
Material & Labour for re-insulating windings of distribution transformers of capacity ( 100 KVA to 1500 KVA) / size/ type by strip opening of HT/ LT coils (i.e. Primary/ secondary coils) from core assembly safely, unwinding the HT/ LT coils (i.e. Primary/ secondary coils) complete, removing the old defective insulation paper and replacing with new DPC insulation to the copper conductor, re-varnishing of the windings with super varnish including heating/ drying/ backing complete carefully and thoroughly inside the heating chamber at suitable temperature to obtain required value of insulation resistance etc. all as per IS 1986-87 and complete all as specified and directed by the Engineer-in-Charge.
Disconnection of the Distribution Transformer from HT and LT supply mains, removing of Bus duct and Bus bar, Leakage arresting to following transformers by draining out of oil, after arrangement of necessary empty oil drums, buckets etc., dismantling of top cover and accessories, dismantling of LT bushings by disconnecting leads/jumpers from inside, replacement of gaskets and oil seals and re fixing of the LT bushings, making internal and external connections, replacement of cover gasket and accessories, refixing of accessories and cover, filling of transformer oil complete, and making cable connections and for energising the transformer complete all as specified and directed by the Engineer-in-Charge. (Cost includes materials like gaskets and oil seals and labour, the Bushing and bushings rods to be measured and paid separately).
(a) 630 kVA to 1500 kVA
(b) 100 kVA to 500 kVA
Disconnecting the HT/LT connections of following transformers i.e (Bus duct / Cable bunch) keeping all the cables out from the HT/LT sides, physically checking the transformer for healthiness, performing the transformer tests like Meggar test, Ratio Test, Magnetic Balance test and short circuit tests for checking the condition of transformer complete and test results shall be submitted by the contractor. Note:- (i) If the transformer found satisfactory then HT/LT connections shall be done by the contractor and has to charge the transformer. (ii) If the transformer fails in these tests then the contractor has to shift the transformer for winding /overhauling. (iii) Cost of Transportation / winding / overhauling is exclusive of rate quoted by the contractor and complete all as specified and directed by the Engineer-in-Charge.
(a) 630 kVA to 1500 kVA
(b) 100 kVA to 500 kVA
Shifting the Transformer from existing site to another site within 3 Km distance range by Dismantling of HT and LT cables, jumpers and bus bars including LT busbar cable boxes and close the transformers for loading in to Vehicle with the help of crane, transportation to another site, unloading, cable connections both HT and LT, testing and commissioning and complete all as specified and directed by the Engineer-in-Charge.
(a) 100 kVA to 1500 kVA
Material & Labour for replacement of Silica gel breather assembly complete with breather unit and silica gel including connecting with proper necessary gaskets if necessary, including removing the unserviceable breather assembly complete all as specified and directed by the Engineer-in-Charge.
(a) 100 kVA to 1500 kVA
Material & Labour for replacement of Conservator tank complete unit and including connecting with proper necessary gaskets if necessary, including removing the unserviceable Conservator tank complete all as specified and directed by the Engineer-in-Charge.
(a) 100 kVA to 1500 kVA
Material & Labour for replacement gun metal drain valves of transformers of following capacities including dismantling old one complete all as specified and directed by the Engineer-in-Charge:-
(a) 2100 kVA to 1500 kVA
Supply and fix in repairs off load tap changer assembly suitable for any make with 7 tapping position including opening top cover, conservator etc complete all as specified and directed by the Engineer-in-Charge.
(a) 400 kVA to 1500 kVA
Supply and replacement of (WTI) Winding Temperature Indicator of following distribution transformers including dismantling old one complete all as specified and directed by the Engineer-in-Charge.
100 kVA to 1500 kVA
Supply and replace Porcelain LT Bushings alongwith bushing rod made out Brass/Copper of suitable length/size all as per existing, complete the following capacity distribution transformers of any make/size/type all as directed including dismantling old one complete all as specified and directed by the Engineer-in-Charge.
(a) 630 kVA to 1500 kVA
(b) 100 KVA to 500 KVA
Supply only Porcelain HT Bushings alongwith bushing rods made out Brass/Copper of suitable length/size all as per existing, complete the following capacity distribution transformers of any make/size/type all as directed including dismantling old one complete all as specified and directed by the Engineer-in-Charge.
(a) 630 kVA to 1500 kVA
(b) 100 KVA to 500 KVA
Material & Labour for replacement of Oil gauge glass with gaskets of the following capacity distribution transformers of any make/size/type all as directed including dismantling old one complete all as specified and directed by the Engineer-in-Charge.
(a) 400 kVA to 1500 kVA
Material & Labour for preparation of old painted surfaces of transformers with coarse cloth/ brush and painting throughout externally on exposed surfaces with two coats of smoke grey colour synthetic enamel paint including writing of transformer details on plinth in white enamel paint on black enamel paint back ground complete including one coat of white wash for base foundation all as specified and directed by Engineer-in-charge for the following capacity in-door/ out-door type transformer complete all as specified and directed by the Engineer-in-Charge:-
(a) 630 kVA to 1500 kVA
(b) 100 KVA to 500 KVA
Material & Labour for replacement of (OTI) Oil Temperature indicator of following distribution transformers including dismantling old one complete all as specified and directed by the Engineer-in-Charge.
(a) 500 kVA to 1500 kVA
Material & Labour for replacement of Drain plugs to valves/conservator caps of the sizes 3/4", 1", 1.5" valves and plugs of the following capacity distribution transformers of any make/size/type all as directed including dismantling old one complete all as specified and directed by the Engineer-in-Charge.
100 kVA to 1500 kVA
Clearing of bushes/small plants up to root level around and surroundings areas E/M installations (i.e.Two Pole/ Four structures, outdoor-substation yards & Misc E/M installations etc) including surface dressing n.exc 15 cm deep and removing debris to a distance n.exc 50m in complete all as specified and directed by the Engineer-in-Charge.
Supply and lay Graded coarse aggregate of size 20 mm dia size upto height of 0.15 Mtr over 0.1 Mtr of sand cushioning in outdoor sub-station yards including surface dressing n.exc 15 cm deep and removing debris to a distance n.exc 50 m before laying of sand complete all as specified and directed by the Engineer-in-Charge. Note : Punned thickness will be measured and paid separately for sand.
Excavation in trenches n.exc 1.5mtr wide and not exc 1.5mtr depth and getting out in Soft/loose soil complete all as specified and directed by the Engineer-in-Charge.
Returning and filling in of excavated material ay type including spreading, leveling, watering and well ramming in layers not exceeding 25 cm each complete all as specified and directed by the Engineer-in-Charge.
Removal of surplus excavated material of any type not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and directed by the Engineer-in-Charge.
Material & Labour for Sand cushioning/sand covering for underground cable protection/substation yard complete all as specified. Note: Punned thickness only will be measured and paid complete all as specified and directed by the Engineer-in-Charge.
Supplying and laying reinforced precast concrete cable cover, class HV, Type 1, flat, size 300mmx 180mm x 40mm, laid along alignment of cable as protection to cable in trenches complete all as specified and directed by the Engineer-in-Charge.
Material & Labour for GI pipe light grade 100 mm dia for cable protection on road crossings /plinth protection with fixed to the pole wall etc. suitable fittings for cable protection complete all as specified and directed by the Engineer-in-Charge.
Material & Labour cable jointing kit for 11 KV (Earthed) grade XLPE cable for outdoor end termination heat shrinkable type joint complete with jointing material and accessories suitable for size 3 core 120 to 185 Sqmm including testing after jointing complete all as specified and directed by the Engineer-in-Charge.
Material & Labour cable jointing kit for 11 KV (Earthed) grade XLPE cable for outdoor end termination heat shrinkable type joint complete with jointing material and accessories suitable for size 3 core 240 to 300 Sqmm including testing after jointing complete all as specified and directed by the Engineer-in-Charge.
Material & Labour cable jointing kit for 11 KV (Earthed) grade XLPE cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armored aluminium conductor cable of size 120 to 185 Sqmm including testing after jointing complete all as specified and directed by the Engineer-in-Charge. Note : Earth work will be measured and paid separately.
Material & Labour cable jointing kit for 11 KV (Earthed) grade XLPE cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armored aluminium conductor cable of size 240 to 300 Sqmm including testing after jointing complete all as specified and directed by the Engineer-in-Charge . Note : Earth work will be measured and paid separately.
Supply & Laying in replacement XLPE insulated, screened, PVC bedded galvanised steel strip or wire armoured ,electric power cables heavy duty with aluminium conductor, 11000 Volts grade ( earthed) of size 3 core 185 Sqmm complete in trenches/ ducts/ on pole etc complete all as specified and directed by the Engineer-in-Charge.
Supply & Laying in replacement XLPE insulated, screened, PVC bedded galvanised steel strip or wire armoured ,electric power cables heavy duty with aluminium conductor, 11000 Volts grade ( earthed) of size 3 core 240 Sqmm complete in trenches/ ducts/ on pole etc complete all as specified and directed by the Engineer-in-Charge.
Servicing,Inspecting,checking,overhauling,cleaning by using of blower, Lubrication ,greasing and carrying out preventive maintanance of RMU capacity 11 KV, 250/350 MVA including calibrating the relay by conducting secondary injection tests and RMU in serviceable condition, testing and commissioning all as specified and as directed by the Engineer-in-Charge. Notes: (i) The rate quoted shall be deemed to include for necessary T&P, nuts, bolts, washers, gasket, insulation tape, compound, painting of RMU panels with approved colour including lettering details all as per exisitng etc complete all as specified and directed by the Engineer-in-Charge.
Supply & fixing of the following parts of RMU complete all as specified and directed by the Engineer-in-Charge.
Self powered relay with O/C , S/C , E/F protection.Relay should have a front USB port for laptop interface , LCD display ,10 event records, 5 fault records, min 2 setting group and keypad for setting parameters for the relay- 1No.
CT having Ratio 100-50/1-1A for Class - 1.0, 2.5VA for metering and Class 10P10, 2.5VA for protection- 1Set
Cable termination bushing suitable for upto 1 RUN 3Cx185 Sq mm, XLPE cable- 1Set
Cable termination cover boots (Push on type) -1Set
Three Phase (R/Y/B) indicating lamps - 1Set
11KV/230V AC, 1KVA control transformer - 1No
Battery and battery charger, 12Ah, (I/P-230V AC, O/P - 24V DC) - 1No
Spring Charging motor
Material & Labour notice plate of 1.6 mm thick mild steel sheet vitreous enameled white, with letters figures and conventional skull and bones in signal red colour and fixed with MS clamps bolts and nuts of approved size for HT 11 KV of size 25 x 20 cm complete all as specified and directed by the Engineer-in-Charge.
Material & Labour for earthing complete with GI earth plate electrode of size 60cm x 60cm x 6 mm thick buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5m below the normal ground level connected with GI strip 32 x 6mm by means of bolts, nuts, check nuts & washers of galvanized iron steel including necessary excavation and earth work in any type of soil, removing surplus soil to a distance not exc 50m, with and including PCC chamber in PCC (1:2:4), type B1,using (20mm graded stone aggregate), "mild steel angle iron frame" made out of MS angle iron of size 40x 40 x 6 mm thick duly painted with two coats of synthetic enamel paint over one coat of red oxide zinc chrome primer hinged with and including 6mm thick CI cover with handle, watering arrangement with funnel internally secured with wire mesh with 20mm dia medium grade pipe for watering 40mm dia light grade, GI pipe for lead protection in & including alternate layers of charcoal dust and common salt complete all as shown in electrical "plate No '3' and connected to earthing test point all as specified and indicated including testing on completion including retrieving old GI earth plate, CI cover, GI pipes, angle iron frame from existing earthing complete all as specified and directed by the Engineer-in-Charge.
Disconnect and taking out the IDMT/ Numeric/ Microprocessor based relay of any type of any Make from 11 KV HT panel, cleaning the contacts, calibrating the relay by conducting secondary injection tests, checking of current transformer, rectification of defects in control wiring for proper tripping of circuit breakers through CTs and relay and tripping coils, adjustment/setting to plug and time multiplier settings of the relay to achieve the discrimination in tripping, tune/synchronise upstream breaker relay settings, re-installation of relay, testing & commissioning etc complete all as specified and complete all as specified and directed by the Engineer-in-Charge. Note: The Contractor has to arrange necessary testing Kits, testing equipments, tools etc. Rental rates for the testing/calibration kits & connected equipments are deemed to be included in the quoted rate. Testing & tuning shall be carried out in the presence of representative of the Department, to the satisfaction of the Department
Taking down HT switch gear (Vacuum circuit breaker ) at Sub stn of capacity 11 KV 250/350 MVA comprising of repairs, complete overhauling/servicing, carrying out preventive maintenance alongwith testing of breakers by current injection test and refixing the same after repairs/ overhauling complete all as specified and directed by the Engineer-in-Charge. Note: (i) The servicing includes for busbar duct chamber, cable alleys and connecting accessories (ii) The rate quoted shall be deemed to include for necessary T&P, nuts, bolts, washers, gasket, insulation tape, compound, painting of VCB panels with approved colour including lettering details all as per existing etc. to put in to the VCBs and panels in serviceable condition, testing and commissioning all as specified and as directed by the Engineer-in-Charge. (iii) Major spares like Breaker bushings, vacuum interrupter assly, busbar spout, busbar spout connections, circuit spout/circuit spout connections/buffer fixed contacts, moving contacts, tank assly/barriers, solenoid spares, dependent/spring mechanism/ motor mechanism, trip unit etc will be measured and paid separately under relevant items of Schedule 'A'. However the rate quoted shall be deemed to include for any other minor spares require replacement. (iv) The servicing shall be carried out by Auhtorised service centre as approved by GE
Supply only the following spares suitable for 250 MVA to 450 MVA HT switch gear VCBs and 11 KV HT panel repair work under relevant Schedule complete all as specified and directed by the Engineer-in-Charge.
CTs epoxy cast wound primary CTs with minimum primary current 50 to 100 A, double ratio, double core (Protection core-5P10 & Metering core- Class 1.0), 25 KA for 1 sec of 15 VA minimum Burden.
Supply only 1.5 sqmm flexible PVC stranded copper conductor cable, unsheathed, 1100 V grade for control wiring.
Supply only 2.5 sqmm flexible PVC stranded copper conductor cable, unsheathed, 1100 V grade for control wiring.
LED Indication Lamps
Shunt trip coil 110 V DC/220 V DC assembly
Breaker control switch
Busbar Spout
Circuit spout
Control circuit fuses 2 A to 63 A
HRC fuse (PT HT side)
PT plug contact
Multifunction meter, Digital type (Displaying A, V, PF, Hz, KVA, KW, KVAR, KWh, Karsh etc.) Class 1/0.5 with RS485 port for communication in Modbus protocol.
VCB buffers
110 Volt DC closing coil assembly
Push to trip knob red assembly
Push to trip knob green assembly
Ratchet wheel
Shutters for racking shaft
Bus bar support insulator for VCB panel
Vaccume Interrupter Bottle VG2
Rectifier
Material & Labour for replacement of damaged space heater in HT VCB 11 kv with new one suitable to operate on 110 Volts DC supply complete with necessary wiring and control cable with toggle switch and all as directed by engr-in-charge.
Thermostat
Material & Labour for Painting of VCB with Si-Coat 570 RTV Silicone High Voltage Insulator coating solution prior to cleaning the complete paint surface with silica paper , blower, heat blower complete all as specified and directed by the Engineer-in-Charge.
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.
Vijay Electricals (BID ID -3469504)
ALLIED CONSTRUCTION (BID ID -3469222)
Commercial Traders (BID ID -3467222)
SB ENTERPRISES (BID ID -3468088)
M/S ADHIKARI CONSTRUCTION CO. (BID ID -3468951)
mayur enterprises (BID ID -3468838)
BLUE HILL ELECTRICAL AND ELECTRONICS (BID ID -3469061)
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