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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹18.1 LAccepted-AOC | ₹18.1 L Quoted ₹18.7 L | L1 | Accepted-AOC Lowest bidders |
| 2 | L2₹19.3 LRejected-Finance | ₹19.3 L | L2 | Rejected-Finance Higher bidders |
| 3 | L3₹19.5 LRejected-Finance OLD HASIMARA PO HASIMARA DISTT ALIIPURDUAR WB PIN 735215 | HASIMARA | ALIPURDUAR | WEST BENGAL | 735215 | ₹19.5 L | L3 | Rejected-Finance Higher bidders |
| 4 | L4₹20.0 LRejected-Finance | ₹20.0 L | L4 | Rejected-Finance Higher bidders |
| Sl No | Description | Qty | Unit | SHRI D P AGARWAL L4 | M/S RATHIN ENTERPRISES L2 | M/S SARKAR ELECTRIC L1 | M/S BIJAY KUMAR SHIVA L3 |
|---|---|---|---|---|---|---|---|
| .09Note 1:- (Applicable for all parts/items) : The bidders/contractors are advised to read tender documents & all corrigendum/amendments and general condition of contracts before entry/quoting the rates. Note 2:- Attention to bidder is hereby invited to upload revised BOQ if published during their bid submission. Uploading of incorrect/ pre-revised BOQ shall be treated as non bonafide and rejected. Fixed credit has been given in technical documents which shall be taken into account during acceptance of bid/tender. | |||||||
| 1.00 | Repair / servicing of transformer in situ of any make, any type, any capacity upto 1000 KVA (step up or down) 11KV/0.433 KV installed at various location in Tech area comprising with the following works :-
(a) Taking out transformer oil upto required level and keeping in empty container with safe custody for re-use after Dehydration.
(b) Opening of top cover of transformer and keeping aside and re-fixing the same after tightening of all LT and HT terminal joints (both inside and out side of transformer) including supply and fixing of all gasket of bushing (6 mm thick rubberized cork sheet) to make leak proof.
(c) Checking of tap changing switch connections and tightening and soldering properly for smooth functioning.
(d) Cleaning of LT and HT Bushing, Replacement of burnt out bushing stud made out of brass, washer, nut, porcelain bushing of existing size, terminals, oil indication glass of conservator, top gasket and drain valve etc as directed by the Engineer-in-Charge.
(e) Cleaning of oil tank of transformer, conservator, core, vent pipes, cooling pipe / fins by desludging, decarbonizing and finally washing with transformer oil and drying complete.
(f) Filling up the transformer with existing taken out transformer oil carefully.
(g) Dehydration and filteration of transformer oil from Transformer (s) to achieve di-electric strength not less than 40 KV on 2.5 mm over gap for a period of one minute and testing of acidity of oil and dielectric strength (before and after dehydration / filtration) complete all as specified and as directed by the Engineer-in-Charge.
(h) Top up new transformer oil upto desired level.
Note:-
(i) Replacement of unserviceable bushing (HT/LT) and terminals shall be measured and paid separately under respective item, under respective items.
(ii) New transformer oil shall be measured separately under respective items.
(iii) Any minor parts such as gasket, nuts, bolts, washers etc that are required to be replaced for satisfactory repair shall be provided by the contractor and rate for the same shall be deemed to be included with the unit rate.
(iv) Cost for dehydration and filteration of transformer oil shall be measured and paid seperately in the respective items of schedule | 5 | Each Job | 28,750 ₹1.4 L | 31,000 ₹1.6 L | 27,500 ₹1.4 L | 29,500 ₹1.5 L |
| 2.00 | Taking down burnt out transformer of capacity 50 to 160 KVA by disconnecting all cable connection and carrying to work shop for repair and following jobs including all as mentioned in item no-1 and reassembling the transformer after necessary repairs complete all as directed:-
a) Dismantling of transformer complete (part by part) without damaging any parts / winding / core and setting aside for inspection of the Engineer-in-Charge including de-canning of transformer oil and keeping in empty barrel.
b) Repair / re-winding of HT/LT coils by replacing burnt / worn out part / coil as per the existing size of aluminium/copper wire / strip as required.
c) Carrying the transformer from workshop to site and setting in position including connecting all cables (HT/LT) and commissioning and testing with load complete.
Note:-
(i) Winding of HT/LT coils shall be measured and paid separately.
(ii) Transformer oil shall be measured and paid separately.
(iii) In case HT/LT bushing and stud required replacement, the same shall be measured and paid separately against respective items of Sch ‘A’
(iv) Complete gasket set shall be replaced by the contractor and rate for the same shall be deemed to be included with the unit rate.
(v) Any minor parts such as nuts, bolts, washers etc those are required to be replaced for satisfactory repair but are not covered under Sch ‘A’ are to be supplied by the Contractor and rate for the same shall also be deemed to be included with the unit rate. | 1 | Each Job | 7,500 ₹7,500 | 8,250 ₹8,250 | 6,750 ₹6,750 | 8,000 ₹8,000 |
| 3.00 | All as per item No 2.00 above but capacity of transformer 200 to 250 KVA complete all as specified and directed. | 1 | Each Job | 8,500 ₹8,500 | 9,250 ₹9,250 | 6,500 ₹6,500 | 8,750 ₹8,750 |
| 4.00 | All as per item No 2.00 above but capacity of transformer 250 to 630 KVA complete all as specified and directed. | 1 | Each Job | 12,500 ₹12,500 | 13,000 ₹13,000 | 10,500 ₹10,500 | 13,500 ₹13,500 |
| 5.00 | Supply only following items to incorporate against different items of Sch ‘A’ (Fixing charges are deemed to be included with connected Sch ‘A’ items where the parts are required to replace :- | 0.01 | Rn | - | - | - | - |
| 5.01 | Supply only HT porcelain bush 11 KV for out door transformer of any size as per site requirement of capacity ranging from 25 KVA to 200 KVA complete all as specified and directed. | 12 | Each | 1,950 ₹23,400 | 2,150 ₹25,800 | 1,850 ₹22,200 | 2,000 ₹24,000 |
| 5.02 | All as per item No. 5.01 above but capacity ranging from 250 KVA to 500 KVA complete all as specified and directed. | 6 | Each | 3,950 ₹23,700 | 4,250 ₹25,500 | 3,500 ₹21,000 | 4,000 ₹24,000 |
| 5.03 | All as per item No. 5.01 above but capacity ranging 630 to 1000 KVA complete all as specified and directed. | 3 | Each | 7,500 ₹22,500 | 8,000 ₹24,000 | 6,800 ₹20,400 | 7,600 ₹22,800 |
| 5.04 | LT termination porcelain bush of outdoor / indoor transformer of capacity ranging from 25 KVA to 200 KVA as per site requirement complete all as specified and directed. | 12 | Each | 1,250 ₹15,000 | 1,500 ₹18,000 | 1,175 ₹14,100 | 1,350 ₹16,200 |
Tender Value
₹17.4 L
EMD Value
₹34,800
Closing Date
21 Jul 2025, 6:00 pmClosed
CWE (AF) BAGDOGRA
Commander Works Engineers (AF) Bagdogra Bagdogra Airport (WB) Pin- 734 421 Tele 0353 - 2698308
REPAIR / MAINT OF VARIOUS TRANSFORMERS AND ALLIED WORKS IN TECH AREA AT AF STN HASIMARA UNDER GE (AF) HASIMARA.
2025_MES_716246_1
8639/HAS/2025-26/E8
Open Tender
Electrical and Maintenance Works
180 days
HASIMARA
MES Contractor enlisted as Class E category b(ii) having deposited Standing Security of Rs 50,000.00 with dept. Contractors not enlisted in MES should meet the MES enlistment criteria corresponding to appropriate class and category.
10 documents required · 10 mandatory
₹500
GE (AF) HASIMARA
₹34,800
Yes
13 Dec 2025
23 Jun 2025
23 Jul 2025
23 Jun 2025
21 Jul 2025
7 Jul 2025
Amount
Note 1:- (Applicable for all parts/items) : The bidders/contractors are advised to read tender documents & all corrigendum/amendments and general condition of contracts before entry/quoting the rates. Note 2:- Attention to bidder is hereby invited to upload revised BOQ if published during their bid submission. Uploading of incorrect/ pre-revised BOQ shall be treated as non bonafide and rejected. Fixed credit has been given in technical documents which shall be taken into account during acceptance of bid/tender.
Repair / servicing of transformer in situ of any make, any type, any capacity upto 1000 KVA (step up or down) 11KV/0.433 KV installed at various location in Tech area comprising with the following works :- (a) Taking out transformer oil upto required level and keeping in empty container with safe custody for re-use after Dehydration. (b) Opening of top cover of transformer and keeping aside and re-fixing the same after tightening of all LT and HT terminal joints (both inside and out side of transformer) including supply and fixing of all gasket of bushing (6 mm thick rubberized cork sheet) to make leak proof. (c) Checking of tap changing switch connections and tightening and soldering properly for smooth functioning. (d) Cleaning of LT and HT Bushing, Replacement of burnt out bushing stud made out of brass, washer, nut, porcelain bushing of existing size, terminals, oil indication glass of conservator, top gasket and drain valve etc as directed by the Engineer-in-Charge. (e) Cleaning of oil tank of transformer, conservator, core, vent pipes, cooling pipe / fins by desludging, decarbonizing and finally washing with transformer oil and drying complete. (f) Filling up the transformer with existing taken out transformer oil carefully. (g) Dehydration and filteration of transformer oil from Transformer (s) to achieve di-electric strength not less than 40 KV on 2.5 mm over gap for a period of one minute and testing of acidity of oil and dielectric strength (before and after dehydration / filtration) complete all as specified and as directed by the Engineer-in-Charge. (h) Top up new transformer oil upto desired level. Note:- (i) Replacement of unserviceable bushing (HT/LT) and terminals shall be measured and paid separately under respective item, under respective items. (ii) New transformer oil shall be measured separately under respective items. (iii) Any minor parts such as gasket, nuts, bolts, washers etc that are required to be replaced for satisfactory repair shall be provided by the contractor and rate for the same shall be deemed to be included with the unit rate. (iv) Cost for dehydration and filteration of transformer oil shall be measured and paid seperately in the respective items of schedule
Taking down burnt out transformer of capacity 50 to 160 KVA by disconnecting all cable connection and carrying to work shop for repair and following jobs including all as mentioned in item no-1 and reassembling the transformer after necessary repairs complete all as directed:- a) Dismantling of transformer complete (part by part) without damaging any parts / winding / core and setting aside for inspection of the Engineer-in-Charge including de-canning of transformer oil and keeping in empty barrel. b) Repair / re-winding of HT/LT coils by replacing burnt / worn out part / coil as per the existing size of aluminium/copper wire / strip as required. c) Carrying the transformer from workshop to site and setting in position including connecting all cables (HT/LT) and commissioning and testing with load complete. Note:- (i) Winding of HT/LT coils shall be measured and paid separately. (ii) Transformer oil shall be measured and paid separately. (iii) In case HT/LT bushing and stud required replacement, the same shall be measured and paid separately against respective items of Sch ‘A’ (iv) Complete gasket set shall be replaced by the contractor and rate for the same shall be deemed to be included with the unit rate. (v) Any minor parts such as nuts, bolts, washers etc those are required to be replaced for satisfactory repair but are not covered under Sch ‘A’ are to be supplied by the Contractor and rate for the same shall also be deemed to be included with the unit rate.
All as per item No 2.00 above but capacity of transformer 200 to 250 KVA complete all as specified and directed.
All as per item No 2.00 above but capacity of transformer 250 to 630 KVA complete all as specified and directed.
Supply only following items to incorporate against different items of Sch ‘A’ (Fixing charges are deemed to be included with connected Sch ‘A’ items where the parts are required to replace :-
Supply only HT porcelain bush 11 KV for out door transformer of any size as per site requirement of capacity ranging from 25 KVA to 200 KVA complete all as specified and directed.
All as per item No. 5.01 above but capacity ranging from 250 KVA to 500 KVA complete all as specified and directed.
All as per item No. 5.01 above but capacity ranging 630 to 1000 KVA complete all as specified and directed.
LT termination porcelain bush of outdoor / indoor transformer of capacity ranging from 25 KVA to 200 KVA as per site requirement complete all as specified and directed.
All as per item No 5.04 above but capacity ranging from 250 KVA to 500 KVA complete all as specified and directed.
All as per item No. 5.04 above but capacity ranging 630 to 1000 KVA complete all as specified and directed.
HT 11 KV terminals stud with nuts, washers made out of brass of suitable size as per site requirement for transformer ranging from 25 KVA to 200 KVA complete all as specified and directed.
All as per item No 5.07 above but capacity ranging form 250 KVA 500 KVA complete all as specified and directed.
All as per item No 5.07 above but capacity ranging form 630 KVA 1000 KVA complete all as specified and directed.
LT terminals stud made out of brass with nut and washer, suitable for transformer of capacity ranging from 25 KVA to 200 KVA complete all as specified and directed.
All as per item No. 5.10 above but capacity ranging from 250 KVA to 500 KVA complete all as specified and directed.
All as per item No. 5.10 above but capacity ranging from 630 KVA to 1000 KVA complete all as specified and directed.
Tap Changer as per existing size, shape and specification complete for transformers capacity 100 to 630 KVA , 11/0.433 Volts complete all as specified and directed.
Supply and fixing temperature gauge matching with the existing system of transformer including taking down unserviceable one complete all as specified and directed.
Supply and fixing breather assembly for transformer of capacity 25 KVA to 200 KVA including taking down unserviceable one complete all as specified and directed.
Supply and fixing breather assembly for transformer of capacity 250 KVA to 500 KVA including taking down unserviceable one complete all as specified and directed.
Supply and filling silica gel in breather assembly of 50 KVA to 1000 KVA capacity transformer complete all as specified and directed.
Dehydration and filteration of transformer oil from Transformer (s) and Oil Circuit Breaker (s), installed at various Sub Station (s) to achieve di-electric strength not less than 40 KV on 2.5 mm over gap for a period of one minute and testing of acidity of oil and dielectric strength (before and after dehydration / filtration) complete all as specified and directed.
Supply and filling up transformer oil (Grade ‘B’) in Transformer (s) and Oil Circuit Breaker (s), installed at various Sub Station (s), having Di-electric strength not less than 40 KV on 2.5 mm over gap for a period of one minute complete all as specified and directed. Make:- GULF/INDIAN OIL/HP/ POWER OIL/SERVO or any equivalent make as approved by GE.
Supply and winding of HV/LV coil (11000 Volts grade) complete wounded with supper enamel insulated / DPC / DCC Copper conductor ISI marked of guage as per existing, suitable for 25 to 250 KVA Transformer complete all as specified and directed.
Ditto as above item no 12.00 but for 315 to 630 KVA transformers complete all as specified and directed.
Supply and fixing in repair gate valve made of brass (heavy duty) both end threaded with wheel of size 20 mm complete all as specified and directed.
Supply and fixing in repair gate valve made of brass (heavy duty) both end threaded with wheel of size 25 mm complete all as specified and directed.
Material & Labour for preparation of old rusted of Transfermer denting and painting of any size and applying one coat of primer red-oxide and two coat of synthetic enamel paint with the help of spreay machine and re-writing Transformer description complete all as specified and directed. Note:- Synthetic enamel paint colour will be as per existing colour or decided by the Engineer-in-Charge.
S&F 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 armored AI conductor cable of size 50 Sq mm to 95 sqmm complete all as specified and directed.
S&F 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 armored AI conductor cable of size 95 Sq mm to 120 sqmm complete all as specified and directed.
S&F cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armored AI conductor cable of size 50 Sq mm to 95 sqmm complete all as specified and directed.
S&F cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armored AI conductor cable of size 120 Sq mm to 185 sqmm complete all as specified and directed.
S&F cable jointing kit for 11 KV (Earthed) grade cable for outdoor straight through Heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armored AI conductor cable of size 50 Sq mm to 95 sqmm complete all as specified and directed.
S&F cable jointing kit for 11 KV (Earthed) grade cable for outdoor straight through Heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armored AI conductor cable of size 120 Sq mm to 185 sqmm complete all as specified and directed.
Supply and fixing HT Joint Box factory made CPRI approved made out of 3.15mm thick MS sheet on angle iron framing 25X25X5 mm MS with cannopy on top spread out 15 cm from top, HT resigncust moulded bushing fitted on 12 mm glassfibour inside top plate suitable for 11KV with 3 Nos alluminium bus bar 400 amp current capacity separeted with fire returdent sepretor , duly powder coated painted externaly and internaly of size 1X1.5X1 metre including all cable jointing nuts bolts made of brass/ HS steel of sutable size and PCC for grouting of Joint Box to be fixed 01 feet height from ground lebel complete all as specified and directed.
M&L Danger Notice Plate of 1.6 mm thick Mild Steel Sheet, vitreous enamelled white, with Letters, Figures and Conventional Skull and Bones in Signal Red colour and fixed with MS Clamps Bolt and Nuts of approved size, for HT 25x20 Cm size including dismantling unserviceable one, complete all as specified and directed.
S&F Lightning Arrester Expulsion type complete with all Fittings Transmission Class discharge capacity 65 KA suitable, for working pressure 11000 Volts including dismantling of old unserviceable and connection to earth Strip, complete all as specified and directed.
S&F Lightning Arrester Expulsion type complete with all Fittings Transmission Class discharge capacity 65 KA suitable,for working pressure 33000 Volts including dismantling of old unserviceable and connection to earth Strip, complete all as specified and directed.
S&F Expulsion Fuse, Single Pole, Channel type/drop out type suitable as per Site requirement with Working Pressure 11 KV grade of capacity 200 Amps including taking down unservice-able Fuses, complete all as specified and as directed.
S&F Switch Air Break Gang Operated for 11 KV grade, Triple Pole vertically mounted on porcelain insulator and fitted on steel frame , current rating 400 Amps, mechanically operated mechanism from Ground Level consisting of Operating Rod of GI Pipe 25mm bore (dia) ‘light grade’ of suitable Length worked From Ground Level and with Locking Arrangement Mild Steel Flat Iron Clamp 50x6mm including dismanting old unserviceable Switch Air Break of any description, complete all as specified and as directed
Dismantling Air Break Gang Operated Switches HT 11 KV 3 Phase, any capacity (200/400) Amps vertical/horizontal mounted including Insulators and Operating Mechanism for repair/replacement of broken/worn out components and insulators etc. with or without taking down from Pole complete all as specified and directed. Note:- (a) Parts needed to be replaced shall be measured and paid seperately as 'supply only' against appropriate Items of Schedule. However Labour component involved in replacement is included in Unit Rate quoated against this Item. The Unit Rate shall deemed to be included for handling of serviceable materials for reuse to site and as directed (b) Any minor repairs involved to make the GOD functional even if notified by Engineer-in-Charge shall be carried out by the Contractor without any extra cost to the Department.
Supply and fixing Male Contact/ Moving Contact Blade suitable for Air Break Gang Operated Switches, 11KV, complete all as specified and as directed.
Supply and fixing Female Contact/ Fix Contact Jaw suitable for Air Break Gang Operated Switches, 11KV, complete all as specified and as directed.
Supply and fixing MS Jumper Carrier, suitable for Air Break Gang Operated Switches, 11KV, complete all as specified and as directed
Supply and fixing Back Connector Plate, suitable for Air Break Gang Operated Switches, 11KV, complete all as specified and as directed
Dismantling Cross-Arms of Mild Steel Channel or Angle Sections, etc, including Mild Steel Bolts, Nuts, Washers, etc., and segregating aside for serviceable for re-use complete all as specified and as directed.
M&L Cross-arms, Bracings, Supports, Clamps and Back Plates fabricated from Structural Steel Sections including Nuts, Bolts, Washer, welding, bending cold or hot, drilling holes for Bolts, in any shape or size as indicated/ directed and inclusive of one coat of Aluminium Primer one Under Coat and One Finishing Coat of Aluminium Paint, complete all as specified and as directed.
S&F Insulator Pin type Porcelain, Vitreous, White, Brown or Green including one Galvanised Mild Steel Spindle, Two Galvanised Iron Washers and One Galvanised Iron Nut, 33 KV grade, complete all as specified and as directed.
M/S RATHIN ENTERPRISES (BID ID -3357670)
M/S BIJAY KUMAR SHIVA (BID ID -3357666)
SHRI D P AGARWAL (BID ID -3357652)
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