Tender For Repair/Maintenance To External Electrical Distribution System Including Ht/Lt Ug Cable, Lt Panel And Dg Sets Including Connected Works At Nmrl Ambernath
Tender Value
Ref. Documents
Estimated cost
Bid Submission
11 Sep 2026
20 days left
EMD
80000
Bank guarantee accepted
Document Fee
500
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Pune → Maharashtra
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Repair/Maintenance To External Electrical Distribution System Including Ht/Lt Ug Cable, Lt Panel And Dg Sets Including Connected Works At Nmrl Ambernath
BOQ
| Sl. No. | Item Description |
| 1 | Dehydration and Filtrations of transformer oil of distribution/power transformer of different capacities through stream line filter unit to increase di -electric strength (BDV) of transformer oil not less then 40 KV for 1 minute at 2.5 mm gap including topping up transformer oil to the required level as indicated to each transformer and testing, transformer oil before and after filtration submission of records of test in duplicate all as directed by Engr-in-Charge .Note: Transformer oil for topping up will be measured and paid separately |
| 2 | Material and labour for dismantling the 22KV HT Supply and isolating the Distribution /power transformer of capacity 1250 KVA draining out the insulating oil from the tank for dehydration. Opening the top cover, removing the damaged gasket and replace the same size / thickness of new gasket of transformer, conservatory tank oil indicator, inlet & outlet valve gasket in position replacing the defective, burnt bushes with gaskets and brass studs if required re filling back drained transformer oil and ensuring no leakages of oil from any part of the transformers and then testing energizing complete. |
| 3 | Material and labour for dismantling the 22KV HT Supply and isolating the Distribution/power transformer of capacity 1000 KVA draining out the insulating oil from the tank for dehydration. Opening the top cover, removing the damaged gasket and replace the same size / thickness of new gasket of transformer, conservatory tank oil indicator, inlet & outlet valve gasket in position replacing the defective, burnt bushes with gaskets and brass studs if required re filling back drained transformer oil and ensuring no leakages of oil from any part of the transformers and then testing energizing complete. Note :-(a) Fresh transformer oil for topping up will be measured and paid separately.(b) Bushes and brass studs will be measured and paid separately. |
| 4 | Material and labour for dismantling the 22 KV HT Supply and isolating the distribution transformer of capacity 250/315 KVA draining out the insulating oil from the tank for dehydration. Removing the damaged gasket and replace the same size / thickness of new gasket of transformer, conservatory tank oil indicator, inlet outlet valve gasket in position replacing the defective, burnt bushes with gaskets and brass studs if required re filling back drained transformer oil and ensuring no leakages of oil from any part of the transformers and then testing energizing complete. Note :-(a) Fresh transformer oil for topping up will be measured and paid separately.(b) Bushes and brass studs will be measured and paid separately. |
| 5 | Supply and fix in repairs breather assembly of the transformer of following capacity, any shape, any dia suitable to fit for existing transformer assembly, complete all as specified and as directed. NOTE: Shape/type should be as per existing transformer at site. (a) Capacity of Transformers 100 KVA to 500 KVA |
| 6 | (b) Capacity of Transformers 1250/1000 KVA |
| 7 | Disconnecting and dismantling & complete overhauling of Transformer capacity 1000 to 1250 KVA, after disconnecting of electric supply and earth connections including transportation to work shop, opening the top of transformer, drained out transformer oil, lifting/removing of top cover of transformer & cores with chain pulley blocks/crane, cleaning of sludge and washed down with the help of spray of clean oil and re-assembling of transformer with S&F of new gasket set assembly, replacement of nuts, bolts and washers as required, re filling of Transformer oil after centrifuging at satisfactory dielectric strength complete after electric connections and testing all as specified and directed. |
| 8 | Material and labour for Rewinding of transformer Step up / down , HV Coils complete with existing size/ electrolytic copper conductor design with TPL covering, re-assembling of newly wounded coils on core in position including re- insulation, oven baking and testing complete all as specified & directed. |
| 9 | Material and labour for Rewinding of transformer Step up / down , LV Coils complete with existing size/ electrolytic copper conductor design with TPL covering, re-assembling of newly wounded coils on core in position including re- insulation, oven baking and testing complete all as specified & directed for the 50-1250KVA transformers . |
| 10 | Material and labour for Filling of new transformer oil confirming IS 335/93 topping of transformer through stream line filter shaving dielectric strength not less than 60 KV complete including centrifuging of oil (if required) up to getting dielectric strength near 60 KV all as specified and directed. |
| 11 | Material and labour for insulation of core, bushing,Tap changer and etc complete all as specified and directed |
| 12 | Material and labour for painting the transformers two coats of synthetic enamel Spray paint of colour smoke gray including scraping and removing the old painted surfaces painting with two coats of supper enameled paint for following:- (a) 100 KVA to 315 KVA |
| 13 | (b) 500 KVA to1000 KVA |
| 14 | (c) -do- but of 1250 KVA |
| 15 | Material and labour for earthing complete with galvanised steel earth plate electrode 600mm x 600mm x 6.0mm thick burried directly in ground ( earth pit not less than 2.25 meters deep below ground level) with to edge of the plate not less than 1.5 Mtrs below normal ground level connected to galvanised earth strip of 32x6mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No 5 of SSR Part I - 1991 connected to earthing test point all as specified and indicated including testing on completion. Note:- The rate is deemed to be inclusive of the cost of earth work, excavation on any type soil and removal of surplus soil to a distance of 50 Mtrs, PCC 1:2:4 type B1 for earth pit cover 6 NOs 8mm dia CTD Bar earth lead protection GI pipe medium grade 15mm size from earth plate electrode to main switch board. |
| 16 | Material and labour in repairs earthing complete with copper earth plate electrode 60 cm x 60 xcm x 3 mm thick and burried directly in ground (earth pit not less than 2.5 meters deep below ground level) with top edge of the plate not less than 1.5 meters below normal ground level, connected to copper earth plate with copper strip of size 20 x 03 mm by means of bolts, nuts and washers all as shown in electrical plate No.3 complete all as specified including PCC pit (1:3:6) type C-1 in cement concrete 40 mm thick precast RCC cover in (1:2:4) type B-1 reinforced with 8 mm dia MS round bar @ 75 c/c both ways with 01 No lifting handle of 12mm dia MS plain bar, GI pipe 32 mm dia light grade for GI strip protection up to 7.5 mtr and GI tubing 20 mm for watering including GI funnel with wire mesh etc complete all as specified and directed by Engineer-in-charge. |
| 17 | Material and labour for earthing lead by using galvanised iron 32x6mm strip all as specified and directed. |
| 18 | Material and labour for earthing lead by using copper 20 x 3 mm strip all as specified and directed. |
| 19 | Material and labour in replacement lightening arresters expulsion type in complete with all fittings, transmission class, discharge capacity 65 kilo amp suitable for 22000 volts complete all as specified and directed |
| 20 | Supply and fixing in replacement for of gang operated air break switch insulator vertical polymer type mounting on steel frame complete, double break and operating rod of stuitable length 400A capacity and suitable for 22 KV HT supply complete all as specified and directed. |
| 21 | Servicing of CT/PT of 22 KV capacity including replacement of old gasket with new gasket of same type/size and topping up of new oil of same grade and replacement of old nut bolt washers etc complete all as specified and directedNote : Servicing will be done by authorised dealer only |
| 22 | Material and labour in replacement for Silica gel of good quality filling into existing breather containers by removing old silica gel complete all as specified and directed |
| 23 | Repair/Maintenance and complete overhauling of HT VCB’s 22 KV including dismantling of operating mechanism, well cleaning with CRC 226, replacing unserviceable parts and accessories like spring, gasket, coils, nuts, bolts and washers etc, oiling and greasing of moving parts, re-assembling, fine setting of mechanism, well cleaning and de-carbonizing of arc control pot, fixed and moving contact including checking testing, tripping check of HT VCB’s making perfect operational condition in manual and electric mode etc complete all as directed.Note:- Spare parts for VCB and caliberation of relays will be measured and paid separately. |
| 24 | Repair/Maintenance and complete overhauling of HT Isolating Load break switch/RMU 22 KV including dismantling of operating mechanism parts, well cleaning with CRC 226, replacing unserviceable parts and accessories like spring, gasket, coils, nuts, bolts and washers etc, oiling and greasing of moving parts, re-assembling, fine setting of mechanism, well cleaning and de-carbonizing of arc control pot, fixed and moving contact including, Complete checking of ON/OFF operation. Complete checking of earth switch operation, also testing of all parts, final tripping check and making perfect operational condition complete all as directed.Note:- Spare parts for Load break switch/RMU and caliberation of relays will be measured and paid separately. |
| 25 | SUPPLY ONLY SPARES FOR SER ITEM NO 23 and 24 :-(a) Toggle lever |
| 26 | (b)Catch lever |
| 27 | (c) Plunger assembly |
| 28 | (d) Steel Pin (Special) |
| 29 | (e) Catch lever spring |
| 30 | (f) Latch Lever |
| 31 | (g ) Tapper pin |
| 32 | (h) Connecting Link |
| 33 | (j) Reset Spring |
| 34 | (k) Spring Charging Handle |
| 35 | (l) Gear Main Shaft |
| 36 | (m) Spring Charging main gaer assembly with bearing |
| 37 | (n) Spring charging motor |
| 38 | (p) On/Off indicator Glass |
| 39 | (q) Trip Lever button assembly |
| 40 | (r) Big gear bearing |
| 41 | (s) Carbon brush |
| 42 | (t) Small Gear bearing |
| 43 | (u) Tripping/Closing coil with plunger assembly |
| 44 | (v) Rectifier for Motor circuit |
| 45 | (w) Trip and close circuit |
| 46 | (x) Main gear pin |
| 47 | (y) Door gasket |
| 48 | (z) Push button housing |
| 49 | (aa) Push button lever with spring |
| 50 | (ab) Trip and close Switch |
| 51 | (ac) 2 NO + 2 NC Limit Switch |
| 52 | (ad) Indication Lamp |
| 53 | (ae) Interrupter Chamber top insulator |
| 54 | (af) Suppot Insulator |
| 55 | (ag) Auxilary switch |
| 56 | (ah) Locat/Remote switch |
| 57 | (aj) FRP Rod |
| 58 | (ak) 3 Ph Ammeter Cl-I Accuracy Class 1.0, 0.5 Input voltage measurement range 50-520 VAC (P-P)Aux supply 80-300 VAC CT secondary site selectable 1A / 5A Flush mounting 96 x 96 mm Inbuilt selector switch for 3 phase meters CT/PT site programmable |
| 59 | (al) 3 Ph voltmeter Cl-I Accuracy Class 1.0, 0.5 Input voltage measurement range 50-520 VAC (P-P)Aux supply 80-300 VAC CT secondary site selectable 1A / 5A Flush mounting 96 x 96 mm Inbuilt selector switch for 3 phase meters CT/PT site programmable Frequency parameter available in 3Ph Voltmeter additionally |
| 60 | (am) LT RG tape wounded current transformer up to 500/5, 10 VA with suitable connection and testing all as directed. |
| 61 | (an) LT RG tape wounded current transformer up to 250/5, 10 VA with suitable connection and testing all as directed. |
| 62 | (ao) Selector switch line current with OFF with CT 2/3 way and including necessary connection and testing for Ammeter 16 Amp complete all as specified and directed |
| 63 | (ap) Selector switch 2/3 way Voltage between Phases with OFF including necessary connection and testing for voltmeter 16 Amp without CT complete all as specified and directed |
| 64 | (aq) Spring Bushing for VCB breakar ON and OFF mechanisum in existing VCB panel complete all as specefied and directed. |
| 65 | (ar) HRC Fuse of 10 Amps rated capacity suitable for HT VCB Panel complete all as specefied and directed. |
| 66 | (as) AC Panel Heater with thermostate suitable for HT VCB Panel complete all as specefied and directed. |
| 67 | (at) HT Fuse wire 10 Amp |
| 68 | (au) TNC Switch 30 V DC 2 Pole |
| 69 | (av) Power Pack with battery backup 230 VA AC/30 V DC suitable for protection system |
| 70 | Material, labour, T&P for calibration and setting as per fault level of relay of any type for HT VCB/RMU 22 KV with suitable instrument and submitting report after caliberation complete all as directed. |
| 71 | Supply and fixing in replacement of digital protective relays 3 phase over current and earth fault (2 NO + 2NC output contact) with high set, CT rating 5A, field selectable 20-110V supply, in replacement of existing panel including addition/alteration as required at site including testing and calibration complete all as directed.. Cat no CGI 14C |
| 72 | Supply & fixing in replacement power factor controller relay 8 step 415 Volts, AC,50 Hz to automation to power capacitor including replacement of control wring as required at site including addition/alteration if required. Cat No ERPML08D500 or equivalent. |
| 73 | Material and labour for Spray painting the VCBs and RMU two coats of synthetic enamel paint of matching with existing colour including scraping and removing the old painted surfaces painting with two coats of supper enameled paint complete. |
| 74 | Excavation in trenches in hard/dense soil not exceeding 1.5 meter wide and not exceeding 1.5M in depth for laying of cables and getting out of excavated material complete all as specified and directed by Engineer-in-Charge |
| 75 | Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25cm thick each, excavated soil in trenches after the pipes have been laid and tested complete all as specified and directed by Engineer-in-Charge |
| 76 | Removing excavated soil to a distance not exceeding 50 meter and depositing where directed at a level not exceeding 1.50 meter above the starting point complete all as specified and directed by Engineer-in-Charge |
| 77 | Material and labour for detection of fault through fault locating high voltage mobile machine to locate the fault in 22 KV HT cable by giving high voltage surge and to find out exact location of fault all as directed by the Engineer-in-Charge at site. Notes: The Item includes transportation, charging machine upto detecting fault at a time and fault should be immediately located after intimation from rep of this office (i)Excavation/earth work/returning filling/relaying of brick and relaying soft soil for cushioning deemedto be included in the rate quoted (ii) Cable for rectification will be measured and paid under relevant item. (ii) Joint kit required will be measured and paid separately under relevant item. (iv) The rate quoted is deemed to incldued for the hire charges of fault locator. Before starting the LT/HT wire, contractor shall ensure safety arrngement and proper shut down of feeders / mains to avoid any unwanted incidents. |
| 78 | Supply and fix cable jointing kit for 22 KV grade cable for outdoor termination heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 3 Core 300 Sq mm complete including taking down all as specified and directed . |
| 79 | Taking out existing faulty HT cable of sizes up to 120 Sqmm 3 core from duct/floor/trenches complete all as specified and directed |
| 80 | Supply & laying of HT XLPE Insulated screened aluminium stranded conductor cable PVC bedded galvanized strip armoured heavy duty 22KV cross sectional area 120 Sqmm 3 Core conforming to IS 7098 laid in duct/trenches complete all as specified and directed. |
| 81 | Supplying and laying reinforced precast concrete cable cover but Class LV, Type I, flat, size 250mm x 150mm x 40mm for cable protection complete all as specified and directed. |
| 82 | Material and labour for sand cushioning below/above and around cable in trenches/ducts with river sand all as specified and directed. |
| 83 | Supply and fix heat shrinkable straight through cable jointing kit for 22KV grade cable joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 to 185 Sq mm complete all as specified and directed. |
| 84 | Supply and fix cable jointing kit for 22KV grade cable for indoor termination heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 to 185 Sq mm complete all as specified and directed. |
| 85 | Supply and fix cable jointing kit for 22KV grade cable for outdoor termination heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 to 185 Sq mm complete all as specified and directed. |
| 86 | Supply and fixing in replacement GI pipe light grade with necessary fittings in floor /piller/fixed on pole of size 100 mm dia complete all as specified |
| 87 | Supply and fixing in replacement of danger notice plate of 1.6mm thick mild steel sheet vitreous enamelled white with letters, figures and conventional skull and bones in signal red colour and fixed with M S Clamps of size 25x3mm, bolt and nut approved size for HT Panels, 25x20cm size including taking out old unserviceable danger notice plate complete. |
| 88 | Material and Labour for Cement concrete in foundation, filling and mass concrete type B2 1:2:4 (40mm graded aggregate), not exceeding 15 cm in depth for plinth protection path including necessary excavation, form work and dismentling of old surface complete all as specefied and directed. |
| 89 | Material and labour for PCC cable route indicator in mix of 1:2:4 type B1 of size 450x200x75mm with oval shape and writing the letter HT/LT cable with synthetic enamel paint and embedded with PCC foundation type D2 1:4:8 of size minimum 250 mm depth including necessary earth work complete all as specefied and directed. |
| 90 | Material and labour for preperation of old painted steel surface of 6 pole structure HT steel tublar poles 9/11/12 mtr long above GL/coping including cross arms, channels, Flat iron, Clamps in LT/HT OH line by scraping with wire brush/ sand paper ,damage Nutbolt,pole clamp should be replace and applying one coat of aluminium paint including pole numbering all as specified and directed by Engr-in-charge for the following types:-a) HT 6 Pole structure 11 mtrs long |
| 91 | Material and labour for preperation of old painted steel surface of 4 pole structure HT steel tublar poles 9/11/12 mtr long above GL/coping including cross arms,channels, Flat iron, Clamps in LT/HT OH line by scraping with wire brush/ sand paper damage Nutbolt,pole clamp should be replace and applying one coat of aluminium paint including pole numbering all as specified and directed by Engr-in-charge for the following types:-a) HT 4 Pole structure 11 mtrs long |
| 92 | Material and labour for preperation of old painted steel surface of 2 pole structure HT steel tublar poles 9/11/12 mtr long above GL/coping including cross arms, channels, Flat iron, Clamps in LT/HT OH line by scraping with wire brush/ sand paper damage Nutbolt,pole clamp should be replaceand applying one coat of aluminium paint including pole numbering all as specified and directed by Engr-in-charge for the following types:-a) HT 2 Pole structure 11 mtrs long |
| 93 | Supply and Fix in repair ACB 4 Pole, 415 V, with Thermal Magnetic Release Manual drawout type of capacity 800 Amps complete all as specified and directed. |
| 94 | Supply and Fix in repair MCCB 3 Pole, 415 V,with thermal magnetic release, 630 Amps with breaking capacity 50 KA, overload and short circuit protection with spreader terminals and extended rotary operated handle complete all as specified and directed. |
| 95 | Supply and Fix in repair MCCB 3 Pole, 415 V,with thermal magnetic release, 400 Amps with breaking capacity 50 KA, overload and short circuit protection with spreader terminals and extended rotary operated handle complete all as specified and directed. |
| 96 | Supply and Fix in repair MCCB 3 Pole, 415 V,with thermal magnetic release, 400 Amps with breaking capacity 50 KA, overload and short circuit protection complete all as specified and directed. |
| 97 | Supply and Fix in repair MCCB 3 Pole, 415 V,with thermal magnetic release, 200 Amps with breaking capacity 50 KA, overload and short circuit protection with spreader terminals and extended rotary operated handle complete all as specified and directed. |
| 98 | Supply and Fix in repair MCCB 4 Pole, 415 V,with thermal magnetic release, 100 Amps with breaking capacity 16 KA, overload and short circuit protection complete all as specified and directed. |
| 99 | Supply and Fix in repair MCCB 3 Pole, 415 V,with thermal magnetic release, 125 Amps with breaking capacity 16 KA, overload and short circuit protection including taking down MCCB complete all as specified and directed. |
| 100 | Supply and Fix in repair MCCB 3 Pole, 415 V,with thermal magnetic release, 63 Amps with breaking capacity 16 KA, overload and short circuit protection with spreader terminals and extended rotary operated handle complete all as specified and directed. Please Enable Macros to View BoQ information |
| 101 | Supply and Fix in repair MCCB 3 Pole, 415 V,with thermal magnetic release, 63 Amps with breaking capacity 16 KA, overload and short circuit protection with spreader terminals and extended rotary operated handle complete all as specified and directed. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Aug 21, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedSep 11, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 20 daysSep 18, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 27 daysTender Documents
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