Military Engineer Services Tender
View complete overview of Meghalaya MES Tender
Military Engineer Services - MES Tender
Electrical Generators And Transformers
Electrical and Electronics
Electrical Works
Eprocure
Opening Date31 Jan 2025
Closing Date14 Feb 2025
Tender Amount₹ 25,00,000
Costs
EMD
₹ 50,000Document Cost
₹ 500Tender Fee
Refer Documents
Description
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Contact
Tender Id
2025_MES_695780_1Tender No
8094/24/E8Tender Authority
Military Engineer Services ViewPurchaser Address
-Website
http://http://mes.gov.in/
GEM & Bid Advisory Services
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Documents
PERIODICAL MAINTENANCE OR REPAIRS OF TRANSFORMERS, VOLTAGE STABILIZERS AND APFC AND ALLIED WORKS AT 509 SU AF STATION LAITKOR PEAK UNDER GE (I) (AF) SHILLONG
PERIODICAL MAINTENANCE OR REPAIRS OF TRANSFORMERS, VOLTAGE STABILIZERS AND APFC AND ALLIED WORKS AT 509 SU AF STATION LAITKOR PEAK UNDER GE (I) (AF) SHILLONG
PERIODICAL MAINTENANCE OR REPAIRS OF TRANSFORMERS, VOLTAGE STABILIZERS AND APFC AND ALLIED WORKS AT 509 SU AF STATION LAITKOR PEAK UNDER GE (I) (AF) SHILLONG
BOQ Items
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Transformer of capacity For 250KVA
1
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Transformer of capacity For 315KVA
4
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Transformer of capacity For 400KVA
2
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Transformer of capacity For 500KVA
1
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Transformer of capacity For 630KVA
1
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M & L for disconnecting all incoming and outgoing cables of Voltage stablizers of following capacities at various locations installed on two pole/four pole structures/on platforms at Station, opening the top cover, carrying out following activities :-
(a) Draining out all the transformer oil to clean barrel for reuse.
(b) Dismantling of all attachment viz breather assy, conservator, oil temperature gauge, HT/LT bushing etc and keeping aside for re-use and re-assembling the serviceable dismantled parts/new spare by providing new insulation materials, gasket, nuts & bolts etc.
(c) Inspection of transformer core and winding, drying out transformer core and winding in vacuum chamber till specified IR values are obtained.
(d) Cleaning of complete transformer tank, oil fins, removing of sludge and making the inside surface of tank dry by blowing of hot air as directed.
Note : Dehydration of collected transformer oil shall be measured and paid under respective item of BOQ here-in-after.
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Automatic Voltage stablizers of capacity 600 KVA
1
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Automatic Voltage stablizers of capacity 400 KVA
2
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Automatic Voltage stablizers of capacity 300 KVA
2
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M & L for removing the of transformers of following capacities at various locations installed on two pole/four pole structures/on platforms at Station and loading it in the vehicle carefully using crane and transporting it to the workshop for HV/LV re-winding, transport the transformer back to the site , install it complete all as specified and directed :-
Notes : (a) M & L for Cost of re-winding shall be measured and paid for separately (b) All other repair work and replacement of spares or components shall be measured and paid for separately under respective items of schedule.
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Transformer of capacity upto 200 KVA
1
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M & L for re-winding HV/LV coils of transformers with super enameled copper wire as per the existing gauge and as per laid down standards incl re-insulating with suitable insulating material, complete all as directed
1
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Supply only HT bushing poreclain with copper/Brass stud, nuts, bolts, washers, Stem,bushing ,gasket, oil seal suitable for following capacity transformer complete all as specified and directed.
Make : BHEL/ Jaypuriya Brothers/ Pactil/ Southern Insulators
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Transformer of capacity For 100 KVA
2
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Transformer of capacity For 200 KVA
2
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Transformer of capacity For 250KVA
2
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-
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Transformer of capacity For 315KVA
1
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-
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Transformer of capacity For 400KVA
1
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-
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Transformer of capacity For 500KVA
1
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Transformer of capacity For 630KVA
1
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Supply only LT bushing poreclain with copper stud, nuts, bolts, washers, gasket, oil seal SET OF FOUR (For 3 Phase and one for neutral) suitable for following capacity transformer complete all as specified and directed.
Make:BHEL/ Jaypuriya Brothers/ Pactil/ Southern Insulators
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Transformer of capacity For 100 KVA
2
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Transformer of capacity For 200 KVA
2
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-
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Transformer of capacity For 250KVA
1
-
-
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Transformer of capacity For 315KVA
2
-
-
... More
Transformer of capacity For 400KVA
1
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-
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Transformer of capacity For 500KVA
1
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Transformer of capacity For 630KVA
1
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Supply only Motor of existing size and type for following capacity voltage stablizers complete all as specified and directed:-
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Automatic Voltage stablizers of capacity 600 KVA
1
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Automatic Voltage stablizers of capacity 400 KVA
1
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Automatic Voltage stablizers of capacity 300 KVA
1
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Supply only Relay card of existing size and type for following capacity voltage stablizers complete all as specified and directed:-
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Automatic Voltage stablizers of capacity 600 KVA
1
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Automatic Voltage stablizers of capacity 400 KVA
1
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Automatic Voltage stablizers of capacity 300 KVA
1
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Supply only temperature gauge of existing size and type for measuring temperature 0 to 100 degree centigrade for following capacity transformer complete all as specified and directed:-
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Transformer of capacity For 100 KVA
2
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Transformer of capacity For 200 KVA
3
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Transformer of capacity For 250KVA
1
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Transformer of capacity For 315KVA
3
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Transformer of capacity For 400KVA
1
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Transformer of capacity For 500KVA
1
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Transformer of capacity For 630KVA
1
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Supply only MS bolts, nuts and washers as per existing size and length all as directed.
10
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M & L for on site centrifusing (dehydration) of old transformer oil at various locations of transformers of Capacity 100 KVA to 630 KVA installed on two pole/four pole structures/on platforms at Station filter action using automatic centrifusing (dehydration) machine to achieve min 40 KV breaking voltage (di-electric strength) at 2.5 mm gap for 2 minutes by absorbing and abolishing all sludge particles for use as per BS-B 66-1983 complete all as specified and directed.
Notes : (a) All disconnection/re-connection of transformers HT/LT cables, T & P for required for above activity shall be arranged by contractor and quoted rates deemed to include for same.
(b) Dielectric strength of the oil to be tested at site in presence of Engineer-in-charge without any extra cost and recorded the same.
8000
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Supply and fill new transformer oil ISI Marked (for topping up) confirming to IS-335 of 1993, low viscosity with dielectric strength 50 KV breaking voltage in 2.5 mm gap for 2 minutes filled in transformer at various locations in Station, refixing of top cover and testing, complete all as specified and directed.
Note :- Dielectric strength of the oil to be tested at site in presence of Engineer-in-charge without any extra cost and recorded the same.
600
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Supply & fixing of rubber gasket 4mm thick for top cover and other joints for transformers of capacity upto 630 KVA,11/0.433 KV complete all as specified and as directed.
7
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Material and labour for expanded metal, cut to length, bent to shape required and tying with and including annealed mild steel wire not less than 0.9mm dia or fixing with galvanised steel staples supplied and fixed complete to wood or steel members exc 4.0 kg
108
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Material and labour for prepration new or previously untreated steel surfaces of any description, over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of zinc chrome primer complete all as specified.
135
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Supply and fix hand rails, half round or other steel section or core for wooden hand-rail straight portion, drilled and countersunk for balusters running bars, for doors, balusters, nosing to steps including embeding in concrete and screwing etc. wind ties for roof including securing bolts; posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc.; flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe-290 Gde E-165 complete all as specified.
65
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Supply only heavy duty Silica gel breather assembly (transparent type) suitable for transformer of following capacity complete all as specified and directed.
Make : BHEL/ Jaypuriya Brothers/ Pactil/ Southern Insulators
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Transformer of capacity exceeding 100 KVA and upto 315 KVA.
4
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Transformer of capacity exceeding 400 KVA and upto 630 KVA.
2
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Supply only Silica gel for breather assembly (transparent type) in granular form for transformers complete all as specified and directed
Make: BHEL/ Jaypuriya Brothers/ Pactil/ Southern Insulators
5
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M & L for earthing complete with Copper earth plate 60 cm X 60 cm X 3.15 mm thick buried vertically in ground to depth not less than 2.25 metres deep below ground level, with top edge of earth plate not less than 1.5 m below ground level, connected to copper earth strip of size 20mmx3mm by means of bolts, nuts, check nuts and washers of galvanized iron or steel besides welding at all joints as shown in drawing and including excavation and earth work, GI pipe light grade 40mm bore for protection of earth wire and connected to continous earth lead on pole/test point, supplying and laying charcoal dust common salt PCC 1:2:4 type B1, chamber and MS angle iron frame 40x40x3mm and RCC cover 40mm thick (1:2:4) type B1 using 20mm graded stone aggregate reinforced with 6mm dia round bars @ 75mm C/C both ways with MS handle 12mm dia, PGI/CI funnel and wire mesh, 20mm dia GI pipe medium grade for watering all as shown in electrical plate No 5 on srl page No 497 of SSR Part I (2009) drawing and connection to earth test point including testing and including dismantling and taking out old earthing complete all as specified and directed.
Note : (i) The cost of earth lead /strip and GI pipe for protection of earth lead/strip upto 7.5m is included in the quoted rate. (ii) The cost of excavation, earth work is included in the quoted rate.
36
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Supplying and laying synthetic Rubber insulated mats 2.5 mm thick for voltage upto 11 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m all as specified and directed.
Make: BHEL/ Jaypuriya Brothers/ Pactil/ Southern Insulators
10
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Taking out old unserviceable/deformed mild steel duct cover plates and S & F Plates (plain or chequered) channels, conforming to Fe-290 (Gde E-165), Square cut or notched (ordinary and counter sunk) forming holes, without any attachment with lifting arrangement in any shape as directed including grinding the sharp edges and painting with two coats of synthetic enamel paint over one coat of red oxide primer complete all as specifed and directed.
230
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M&L for 40 mm ungraded single confirming to IS 383-1970 size stone aggregates laid in layers as directed around electricals installations complete all as directed.
29
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Supply only self bouding EPR (Ethylene Propylene Rubber) HT tape roll of sze 19mm x 10m. Make : 3M/ Dension / Raychem
15
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Copper wound round type CT of ratio 300/5A.
3
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Material and labour for earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 20 x 3 mm copper strip complete all as specified.
45
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Material and labour for maintaining the following installation area neat and clean by levelling with soil dumps, cutting bushes and grass around the installation and thrown out the same outside installation and AF station area complete all as directed by Engineer-In-Charge.
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Main Receiving station
2
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Site-II Sub Station
2
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Site-I Sub Station
2
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42 WEU (A) Sub Station
2
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Site-IV Sub Station
2
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Tech Sub Station and POL Store area
2
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