Tender For Repair/ Maint/ Replacement Of Ht Ug Cable, Structures, Vcbs Transformers, Servo Voltage Stabilizers, Lt Panel Board, Bldg Feeder Pillar Boxes, Lt Cables And Associated Works At Zone A Zone B Under Ge(I) (Cg) Chennai.
Tender Value
19.50 Lakhs
Estimated cost
Bid Submission
02 Dec 2026
17 days left
EMD
39000
Bank guarantee accepted
Document Fee
500
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Chennai → Tamil Nadu
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Repair/ Maint/ Replacement Of Ht Ug Cable, Structures, Vcbs Transformers, Servo Voltage Stabilizers, Lt Panel Board, Bldg Feeder Pillar Boxes, Lt Cables And Associated Works At Zone A Zone B Under Ge(I) (Cg) Chennai.
BOQ
| Sl. No. | Item Description |
| 1 | Material and labour for taking out of old unserviceable LT cable of size 3.5 core x 35 Sqmm to 185 Sqmm from any location complete all as specified and as directed by the Eninerr-in-Charge. |
| 2 | Supply, laying and testing LT cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor laid in trenches/drawn through pipes or in road crossings/paths/ducts/ floors/ along poles/equipment etc., including connecting up using suitable size aluminium lugs with all fixing & connecting accessories complete all as specified and as directed for the following sizes :-Note:- (i) Earth work, Excavation, Returning & refilling and removal, DWC HDPE pipe, GI pipe protection for road crossings will be measured and paid separately. (ii) The rate quoted by the bidder shall deemed to be inclusive of the cost of aluminium thimbles/lugs of suitable sizes. |
| 3 | 185 Sqmm x 3.5 Core |
| 4 | 150 Sqmm x 3.5 Core |
| 5 | 95 Sqmm x 3.5 Core |
| 6 | 50 Sqmm x 3.5 Core |
| 7 | 35 Sqmm x 3.5 Core |
| 8 | Supply & fixing as in repair MCCB 630 Amps, thermal adjustable, 50 KA , ICS = 100% ICU, AC 415 Volts, four pole including providing aluminium lugs for incoming and out going cables including taking down unserviceable MCCB complete all as specified and as directed. |
| 9 | Supply & fixing as in repair MCCB 400 Amps, thermal adjustable, 36 KA , ICS = 100% ICU, AC 415 Volts, four pole including providing aluminium lugs for incoming and out going cables including taking down unserviceable MCCB complete all as specified and as directed. |
| 10 | Supply & fixing as in repair MCCB 250 Amps, thermal adjustable, 25 KA , ICS = 100% ICU, AC 415 Volts, four pole including providing aluminium lugs for incoming and out going cables including taking down unserviceable MCCB complete all as specified and as directed. |
| 11 | Supply & fixing as in repair MCCB 200 Amps, thermal adjustable, 25 KA , ICS = 100% ICU, AC 415 Volts, four pole including providing aluminium lugs for incoming and out going cables including taking down unserviceable MCCB complete all as specified and as directed. |
| 12 | Supply & fixing as in repair MCCB 160 Amps, thermal adjustable, 25 KA , ICS = 100% ICU, AC 415 Volts, four pole including providing aluminium lugs for incoming and out going cables including taking down unserviceable MCCB complete all as specified and as directed. |
| 13 | Supply & fixing as in repair MCCB 100 Amps, thermal adjustable, 16 KA , ICS = 100% ICU, AC 415 Volts, four pole including providing aluminium lugs for incoming and out going cables including taking down unserviceable MCCB complete all as specified and as directed. |
| 14 | Supply and laying Double wall corrugated HDPE pipe ISI marked of size outer dia/inner dia 110/95mm including specials such as couplers, bends with smooth internal and corrugated external surface for non presuure under ground cable etc., including taking down unserviceable DWC pipe complete all as specified and as directed. |
| 15 | Supply and laying Double wall corrugated HDPE pipe ISI marked of size outer dia/inner dia 77/63mm including specials such as couplers, bends with smooth internal and corrugated external surface for non presuure under ground cable etc., including taking down unserviceable DWC pipe complete all as specified and as directed. |
| 16 | Material and labour for Excavating in trenches, not exceeding 1.5m wide and not exceeding 1.5m in depth for laying of cable and getting out in hard/dense soil complete all as specified and as directed. |
| 17 | Material and labour for Returning filling in including spreading, levelling, watering and well ramming in layers not exceeding 25cm in hard/dense soil complete all as specified and as directed. |
| 18 | Material and labour for Removing excavated material in soils n exc.50m and deposting where directed at a level n exc.1.5m above the starting point all as directed by Engr-in-charge. |
| 19 | Material and labour for Cutting the tarmacadam / asphalt / bituminous road surfaces / hard standings and excavating in trenches across the road for laying cable including making good the excavated portion by means of PCC 1:3:6, type C1 matching with the surroundings all as directed. |
| 20 | Material and labour for cable jointing kit straight through heat shrinkable type suitable for XLPE LT cable of size 150 Sqmm to 185 Sqmm x 3.5 core, 1100 volts complete all as specified and as directed. |
| 21 | Material and labour for cable jointing kit straight through heat shrinkable type suitable for XLPE LT cable of size 50 Sqmm to 95 Sqmm x 3.5 core, 1100 volts complete all as specified and as directed. |
| 22 | Material and labour cable jointing kit for 11 KV (Earthed) grade XLPE cable for Indoor end termination cold shrinkable type joint complete with jointing material and accessories suitable for 3 core 50 Sqmm to 95 Sqmm XLPE armoured aluminium conductor cable including testing after jointing complete all as directed . |
| 23 | Material and labour cable jointing kit for 11 KV (Earthed) grade XLPE cable for outdoor end termination cold shrinkable type joint complete with jointing material and accessories suitable for 3 core 50 Sqmm to 95 Sqmm XLPE armoured aluminium conductor cable including testing after jointing complete all as directed . |
| 24 | Material and labour for Dismantling air break gang operated switches triple pole vertical/ horizontal mounted including isulators and opretaing mechanism for replacment complete all as specified and as directed. |
| 25 | Supply, install, testing and commissioning of HT 11 KV Switch air break, gang operated, triple pole , mechanically operated, mounted on insulators and steel frame of any type with operating mechanism made out of 25 mm dia GI medium grade pipe suitable for operation from ground level with locking arrangement complete for current rating 200 Amps complete all as specified and as directed. |
| 26 | Supply and fixing as in repair HT lightening arrestor metal oxide type (gap less) heavy duty single pole for 11 KV overhead line/ 4 pole/2 pole structure, suitable for 12 KV rated highest system voltage, long duration distribution discharge class type, IP 55 Degree of protection, 100(kVp) at 65 kA high current impulse withstand voltage and 9 KV Arrestor rating with normal discharge current of 10 KA complete with all fittings conforming to IS: 3070 part-3 effectively connected with earthing system including taking down unserviceable lightening arrestor complete all as specified and as directed. |
| 27 | Supply and fixing as in repair Horn gap fuse assembly, outdoor type suitable for HT 11 KV two pole structure, porcelain (ceramic) or polymeric/FRP insulators, current rating upto 200 amps including taking down unserviceable horn gap fuse assembly complete all as specified and as directed. |
| 28 | Supplying and laying synthetic rubber Insulating Mats 2.5mm thick for voltage grade upto 11 KV for electrical purpose as per IS : 15652:2006 suitable for electrical shock safety of sizes 2m x 1m complete all as specified and as directed. |
| 29 | Material and labour for preparation of old painted surfaces of transformers with spray painting throughout externally on exposed surfaces with two coats of smoke grey colour synthetic enamel paint or as approved colour 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:- |
| 30 | 630 KVA to 750 KVA |
| 31 | 160 to 200 KVA |
| 32 | Material and labour for clearing of bushes/small plants upto root level around and surroundings areas E/M installations (i.e.Two Pole structures, outdoor-substation yards & Misc E/M installations etc) including spraying of chemical for anti-vegetation growth as approved, surface dressing n.exc 15 cm deep and removing debris to a distance exc 500m complete all as specified and as directed |
| 33 | Supply and lay Graded coarse aggregate of size 40 mm dia size in outdoor sub-station yards complete all as specified and as directed |
| 34 | Supply and lay Graded coarse aggregate of size 20 mm dia size in outdoor sub-station yards complete all as specified and as directed |
| 35 | Material and labour for Filtration of transformer oil of transformers 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 and submit the test report to Engineer-in-Charge and signed by both contractor and Engineer in Charge and kept on record complete all as specified and as directed for the following capacities :- |
| 36 | Transformer 750 KVA at RHQ (E) |
| 37 | Transformer 630 KVA at CGSD Tondiarpet |
| 38 | Transformer 200 KVA at Old CGSD Royapuram |
| 39 | Transformer 160 KVA at BMU Royapuram |
| 40 | Supply and filling transformer oil in transformers of di-electric strength not less than 60 KV and conforming to IS-335:1993 complete all as specified and as directed. |
| 41 | Material and labour for Servicing of transformer of any capacity or any make by checking and tightening HV/LV terminals and earthing connections, Checking of all clamps, nuts, bolts including core bolts & cover fixing bolts, Inspection of tap changer, Checking all jumpers, terminations/ connections inside the transformer, removing carbon at joints, checking breather, arresting oil leakage by replacement of gasket including insulating resistance test complete all as specified and as directed. |
| 42 | Material and labour for servicing of ACB 1600A/1000A/800A, 4 Pole, 415V of any make by isolating the system using Lockout/Tagout (LOTO), Vacuum and brush away dust and carbon acCUMulation from the frame and poles, checking of main and arcing contacts for pitting, burning, or severe wear, Open the arc chutes and clear out any debris without using abrasive tools, Checking all terminal bolts and busbar connections for tightness, Clean old grease off moving linkages and re-apply manufacturer-approved grease, Manually charge, close, and trip the breaker to ensure smooth mechanical operation and proper alignment and gap distance between fixed and moving contacts complete all as specified and as directed. |
| 43 | Material and labour for replacement of silica gel breather of assembly for HT/ LT distribution transformers of the following capacity including taking down unserviceable silica gel breather assembly complete all as specified and as directed. |
| 44 | 630 to 750 KVA |
| 45 | 160 to 200 KVA |
| 46 | Material and labour for replacement gun metal drain valves of transformers of following capacities including taking down unserviceable gun metal drain valve complete all as specified and as directed. |
| 47 | 630 to 750 KVA |
| 48 | 160 to 200 KVA |
| 49 | Material and labour for replacement of the LT porcelain bushings complete of following capacity of transformers including taking down unserviceable porcelain bushing complete all as specified and as directed. |
| 50 | 160 to 750 KVA |
| 51 | Material and labour for replacement of the HT porcelain bushings complete of 160 to 750 KVA capacity of transformers including taking down unserviceable porcelain bushing complete all as specified and as directed. |
| 52 | Material and labour for repair and servicing of HT 11 KV RCC two pole structure by replacing galvanized PG clamps, GI bolts and nuts, pieces of ACSR conductor with insulation of any size as jumpers including lubricating the moving parts of AB switch and cleaning of all disc /pin insulators and applying silicon compound for prevention of arcing due to dust/ salt deposits over the surfaces including applying one coat of zinc oxide primer on rusted portions after preparation of surfaces & a coat of aluminum paint to the entire steel structure complete all as specified and as directed. Note:-Rate quoted shall be inclusive of paiting of steel structure, two coats of white wash on exposed concrete surfaces, ACSR conductor for jumpering, GI hard ware like nuts, bolts etc., complete all as specified and as directed. |
| 53 | M&L for taking down HT switch gear (Vacuum circuit breaker ) of capacity 11 KV, 630 A of any make comprising of following repairs, overhauling, servicing and refixing the same after repairs complete all as specified and as directed.(a) Tripping off the breaker, lowering the breaker with raising/lowering handle and pulling out the breaker complete from the panel along with the trolley for servicing/inspection/overhauling(b) Servicing/Inspecting/checking of automatic safety shutter operation for serviceability and replacement of spares if required.(c) Servicing/Inspecting/checking of circuit spout and bus bar spout connections for RYB phases and replacement of spares if required.(d) Dismantling and checking of cross bar assembly, fixed contacts and current carrying parts of the breaker, trolley, insulated assembly and checking lamination with clamps, epoxy spout, isolator assembly etc.(e) SETting, reassembling, cleaning, adjustment of fixed contacts, main contact, arcing contacts and chamber baffle pot assembly, moving contact for proper SETting of auxiliary contacts operating mechanism. (f) Servicing/Inspecting/checking of secondary sockets/busbar earthing plugs/earthing sockets and replacement of spares if required.(g) Checking, SETting and adjustment of lowering and raising operation of the breaker trolley.(h) Lubrication and greasing of all moving parts of the trolley, stopper bolt for proper operating and closing of shutter gear, isolation resistance of trolley of with vacuum interrupter assembly. |
| 54 | (j) The inspection of truck & hoist assembly, tank assembly & barriers, components of solenoid assembly, assembly & components of dependent mechanism, assembly & components of spring box mechanism, motor mechanism spring charge assembly and assembly of trip unit & related componentsNotes: (i) 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 all as per exisitng 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.(ii) Major spares like Breaker bushings, vacCUM interrupture assembly, busbar spout, busbar spout connections, circuit spout/circuit spout connections/buffer fixed contacts, moving contacts, tank assembly/barriers, solenoid spares, dependent/spring mechainsm/ 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 for replacement.(iii) The servicing shall be carried out by Auhtorised service centre all as directed by the Engr-in-Charge. |
| 55 | Supply only the following spares suitable for HT switch gear VCBs 11 KV 630 A of any make complete all as specified and as directed.Note : The cost of labour element for replacement of pares shall be deemed to include in the unit rate of item No.37.00 & 37.01 above |
| 56 | LED Indication Lamps |
| 57 | LED type push button actuators |
| 58 | 3 phase selector switch |
| 59 | Shunt trip coil 24 V DC/110 V DC |
| 60 | Breaker control switch |
| 61 | Breaker bushing contact |
| 62 | Vacuum interrupter assembly |
| 63 | Over current and earth fault relay |
| 64 | Busbar Spout |
| 65 | Circuit spout |
| 66 | Control circuit fuses 2 A to 63 A |
| 67 | HRC fuse (PT HT side) |
| 68 | PT plug contact |
| 69 | Spring charging motor with gear assembly. Make: Bosch or suitable for HT VCB OEM make |
| 70 | Multifunction meter, Digital type (Displaying A, V, PF, Hz, KVA, KW, KVAR, KWh, KVARh etc.) |
| 71 | Rachet handwheel with gear assembly |
| 72 | Supply, installation, testing and commissioning of 11 KV outdoor oil-immersed combined CT/PT metering SET complete with current transformers, potential transformers, tank, insulating oil, primary/secondary terminals, terminal box, mounting arrangement and all accessories required for connection to the HT energy meter 3 phase, 3 wire, 11 KV, 50 Hz, current 24.4A and CT ratio : 25/5 A & accuracy class 0.2S, PT primary voltage/secondary voltage 11KV/110V, PT ratio : 11000/3 : 110/3, Star connection, accuracy class 0.2PT, insulation level 12KV class, power frequency withstand 28 KV rms, lightning impulse withstand 75 KV peak including taking down unserviceable CT/PT complete all as specified and as directed. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Nov 12, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedDec 02, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 17 daysDec 04, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 19 daysTender Documents
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