Military Engineer Services Tender
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Military Engineer Services - MES Tender
Electrical Generators And Transformers
Electrical and Electronics
Eprocure
Opening Date11 Feb 2025
Closing Soon13 Mar 2025
Tender Amount₹ 38,85,000
Costs
EMD
₹ 78,000Document Cost
₹ 500Tender Fee
Refer Documents
Description
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Contact
Tender Id
2025_MES_697426_1Tender No
CWE-AF-SRG/SRG-36/2024-25Tender Authority
Military Engineer Services ViewPurchaser Address
-Website
http://http://mes.gov.in/
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Documents
BOQ Items
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(c) 500 to 630 KVA transformer
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NOTE :- (i) The transformer shall be got repaired from authorised work shop of transformer. The contractor shall also produce test certificate as per IS-2026 alongwith high voltage test from the firms after repair.
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(II) All the transformer shall be opened in presence of Engr- in- Charge/ rep of Engr-in-Charge to verify the various repairs/replacement involved and the transformer shall be assembled in the presence of Engr- in- Charge/his rep after necessary repairs/replacement.
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(iii) All the transformer shall be tested in the factory in the presence of Engr- in- Charge/ his rep, as per ser note No 1 above and also in addition the transformer shall also be tested by the contractor at location, 2/4 pole structure all as specified and directed by Engineer-in-charge.
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(iv) All the testing arrangement shall be provided by the contractor without any extra payment.
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(v) The contractor shall also furnish a guarantee certificate himself and from the firm where the transformers are repaired by the contractor for rectification of the defects. If any defect noticed during testing and commissioning time and shall be rectified by the contractor under his own arrengment with no financial assistance from the deptt.
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(vi) Payment only for dehydration of the transformer oil and painting of the transformers, replacement of certain items considered separately here- in- after shall only be made for separately. All other minor repair/replacement as required and ordered by the Engr- in- Charge for entire completion of work shall be deemed to be included in the unit rate of the above items.
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(vii) The contractor shall also clear the breathers. The unit rate quoted by the contractor shall include this aspect also.
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(viii) Contractor shall provide all arrangement for carefully handling/ transportation of equipment by means of crane/chain pully/recovery van and vehicles as per requirements and directed by Engr- in- Charge.
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(ix) Transformer oil tank rubberised 6.0mm thick gasket sheet pasted using gasket cement, oil level gauge, drain valve, painting inner side tank by zinc chromate paint and outer side by approved paint included in this item rate.
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(x) The rate quoted by contractor shall include all these aspect. While quoting the tender,the quoted rate shall deemed to include all the necessary arrangement for providing electric connection to existing system.
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M&L for shifting of serviceable/unserviceable transformer/ RMU/VCB panels from one location to another location of capacity 63 to 1000KVA from existing PCC platform/ four pole/two pole structure/MES store yard and fixing on platform/four pole/two pole structure by suitable capacity of crane including necessary disconnection and connection on HT & LT side and testing on completion complete all as directed by Engr-in-Charge.
10
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Dismantling and segregation of HT/LT leg coil from transformer and making new HT/LT coil with insulated copper wire of required gauge craft paper cotton tape HT/LT insulation as per specification of old transformer including ovening & heating before assembling the winding core and necessary testing as required including takingout unserviceable winding complete all as directed by Engr-in-Charge.
NOTE : Rewinding element related to this work includes guarantee for the defect liability period.
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(a) HT leg Coil copper
750
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(b) LT leg Coil copper
705
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Disconnecting HT & LT connection of any type & capacity transformer. Opening of transformer cover at site for carrying out servicing testing/repair such as replacement of internal/external damage parts and re-assembling after carrying out required repair in the transformers and testing complete all as directed by Engr-in-Charge. Note: Parts replaced of transformer shall be measured and paid separately under respective items.
7
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Supply and fixing of HT bushing with brass studs 11 KV incl gasket, nut bolts, washers etc complete suitable for any type or any size of transformer incl removing the existing u/s one complete all as specified.
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(a) 63 to 250 KVA.
10
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(b) 300 to 400 KVA.
10
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(c) 500 to 630 KVA.
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Supply and fixing of LT bushing with brass studs incl gasket nut bolts insulator washer etc complete suitable for transformer of cap upto 200 KVA incl removing the existing u/s one complete all as specified.
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(a) 63 to 250 KVA.
10
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(b) 300 to 400 KVA.
12
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(c) 500 to 630 KVA.
9
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S&F in replacement of HT bushing rod (brass) complete with nuts, bolts and washers for any type of transformer at site /in workshop all as directed, for the following capacity :-
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(a) 63 to 250 KVA.
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(b) 300 to 400 KVA.
6
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(c) 500 to 630 KVA.
6
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S&F in replacement of LT bushing rod (brass) complete with nuts, bolts and washers for any type of transformer at site /in workshop all as directed, for the following capacity :-
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(a) 63 to 250 KVA.
10
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(b) 300 to 400 KVA.
12
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(c) 500 to 630 KVA.
10
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Supply and fix in replacement off load tap changer for transformers 11 KV/433 volts minimum five steps type including removing the existing u/s one complete all as specified.
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(a) 63 to 250 KVA.
2
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(b) 300 to 400 KVA.
3
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(c) 500 to 630 KVA.
3
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S&F in replacement of oil drain valve for any type of transformer at site/in workshop all as directed for the following capacity :-
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(a) 63 to 250 KVA.
5
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(b) 300 to 400 KVA.
8
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(c) 500 to 630 KVA.
5
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S&F in replacement of De-hydrating breather with first fill of dehydrating agent (silica gel).
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(a) 63 to 250 KVA.
8
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(b) 300 t0 400 KVA.
10
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(c) 500 t0 630 KVA.
6
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S & F in replacement of 100 mm dia, dial type thermometer, vapour pressure type having range 0-120 degree celsius with metal guard having maximum perimeter temperature reading indicator with re-setting device.
10
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Scrapping and removing of worn out transformer oil tank gasket and supply & fixing new rubberized gasket sheet in the tank top cover, 6.0 mm thick and pasted using gasket cement, including fixing the top cover with conservator in the transformer of following capacities:-.
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(a) 63 to 250 KVA.
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(b) 300 to 400 KVA.
5
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(c) 500 to 630 KVA.
7
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Scrapping and removing of worn out gasket from LT and HT bushing and supply & fixing of rubberized gasket duly cut as per the size of bushing and pasted with gasket cement including cleaning and removing of carbon from HT/LT bushing, replacement of rubber oil seals, assembling the LT/HT bushing and fixing connection with terminals as directed for transformer of the following capacity:-
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(a) 63 to 250 KVA.
5
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(b) 300 to 400 KVA
6
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(c) 500 to 630 KVA.
7
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M&L rubberized gasket (cork sheet) for top cover, LT terminal box LT/HV bushing washer, spindle etc suitable for following capacity of transformer:-
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(a) 63 to 250 KVA.
5
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(b) 300 to 400 KVA
5
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(c) 500 to 630 KVA.
6
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M&L for replacement of fresh silica gel of superior quality for air breather of transformer complete all as specified and directed.
70
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Replacement of oil level indicator glass for any type/ capacity of transformer complete all as directed .
10
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Rectifying and arresting the oil leakage of transformer of any capacity, disconnection of HV/LV ends, opening the top cover by using tripod, chain & pulley after removing of all fitments, replacing the components of the transformer such as gasket 'O' rings etc. Rectify the leaks in a variety of areas such as radiator fins, flanges, valves, fastener assemblies, oil leakage through pin hole/ crack joint, drain valve, radiator valve, oil leakages through gasket joint etc complete.Repair leakage by 'M' seal Monoplast where ever necessary including welding/ Brazing, testing complete. Refixing the top cover and all fitments, HV/LV connection and testing complete all as specified and directed .
30
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M& L for dismantling of transformers indoor/outdoor type complete, opening top cover by unscrewing nuts, bolts, unserviceable HT/LT coil of transformer, gaskets, bushing core tap changer, draining out transformer oil and keeping safely for reuse after filtration, cleaning the inner body with caustic soda/detergent and washing to removing sludge etc, painting the inner side tank by Zinc chromate paint and preparing the same for reassembling all as specified and directed by Engineer-in-Charge of following capacity :-
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(a) 63 to 250 KVA transformer
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(b) 300 to 400 KVA transformer
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(c) 500 to 630 KVA transformer
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S&F in replacement of aluminium strip of size as per site requirement 20 to 25 cm long on LT side of transformer at site duly drilled holes for transformer studs & LT cable fixed with GI bolts nuts & washers of appropriate size complete all as directed of following capacity of transformers :-
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(a) 63 to 250 KVA transformer
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(b) 300 to 400 KVA transformer
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(c) 500 to 630 KVA transformer
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Supply & Fixing Aluminium lugs for HT bushing of suitable size by means of using crimping tool after removing existing unserviceable lugs for the any type/ capacity of transformers all as directed by Engr-in-Charge.
25
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Supply & Fixing Aluminium lugs for LT bushing of suitable size by means of using crimping tool after removing existing unserviceable lugs for the following capacity of transformers all as directed by Engr-in-Charge :-
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(a) 63 to 250 KVA transformer
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(b) 300 to 400 KVA transformer
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(c) 500 to 630 KVA transformer
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Supply and topping of new insulation oil (transformer oil IS-335 of 1983 marked) filtered and tested upto 70 KV di-electric strength at 2.5 mm gap in insulated sealed drum duly ISI marked complete all as specified and directed.Make :- HP/ BPL/ IOC/ SAVITA or equivalent as per Appx 'B' of Particular Specifications.
NOTE : (i) Purchase Voucher and test certificate will be produced by Contractor at the time of claiming payment.
(ii) Before topping up transformer oil sealed container shall be got checked at MES store yard.
800
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Supply and topping of new insulation oil (transformer oil IS-335 of 1983 marked) filtered and tested upto 55 KV di-electric strength at 2.5 mm gap in insulated sealed drum duly ISI marked complete all as specified and directed.Make :- HP/ BPL/ IOC/ SAVITA or equivalent as per Appx 'B' of Particular Specifications.
NOTE : (i) Purchase Voucher and test certificate will be produced by Contractor at the time of claiming payment.
(ii) Before topping up transformer oil sealed container shall be got checked at MES store yard.
1750
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Dehydration/filtration of transformer oil of existing transformer installed at site with portable plant at a temp 60-70 deg. C and achieving di electric strength of not less than 50 KV for 1 minute in 4 mm gap as per IS 335 of 1983 including topup transformer oil upto the level complete all as specified and as directed by Engr-in-charge.
Note: (i) Conducting field testing of di-electric strength and acidity test of Tr. Oil to be carried out with acidity test kit before and after filtration.
(ii) Transformer oil required for top up shall be measured and paid separately.
(iii) The contractor shall arrange his own electric power required for testing/de-hydration if required.
800
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M & L for painting with two coats of DUCO enamel paint of ICI brand of approved colour over a coat of red oxide metal primer after scrapping thoroughly the existing corroded paint, dirt/dust, oil and grease from the steel surface of the transformer complete.as directed by EIC for following capacity of transformer:-
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(a) 63 to 250 KVA transformer
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(b) 300 to 400 KVA transformer
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(c) 500 to 630 KVA transformer
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Supply and fixing in replacement of gun metal gate valve , ISI marked suitable for oil inlet/outlet valves of transformer of following sizes complete all as specified and directed by Engr-in-Charge.
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(a) Gate valve 25 mm dia bore
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(b) Gate valve 32 mm dia bore
2
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(c) Gate valve 40 mm dia bore
2
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(d) Gate valve 50 mm dia bore
2
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Supply & fixing breather of Power transformer of size upto 6.3 MVA, 33/11 KV complete with blue chips silicajel. Make - as per sample.
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Supply & fixing breather for transformer of size upto 63 KVA to 630 KVA complete with blue chips silicajel. Make - as per sample.
8
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Supply & Fixing 33 KV bushing of HV side as per existing size/Model of the capacity upto 6.3 MVA transformer complete all as specified and as directed.
1
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Supply, installation, testing and commissioning in replacement of isolator 33 KV, outdoor duty isolator, hand operated triple pole, off circuit, fault making, horizontal/vertical mounted, 18 insulator type, centre post rotating type, double stac, 33 KV, 400 Amps, as all as specified in particular specification and as per IS-9921 including taking down old unserviceable isolator complete all as specified and as directed. Make- Rashtriya/ Jaipuria/BHEL or equivalent as per Appx 'B' of Particular Specifications.
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M&L in replacement of Air break gang operated switch with 12 Nos insulators outdoor type, triple pole, mechanically operated, suitable for vertical installation, single break, provided with locking arrangement, consisting of MS Channel, HT Post type insulator copper alloy, high pressure, assembly drop out fuses, operarting rod 25mm dia GI pipe, medium grade for operarting from 1.2 m above GL complete including drop out fuses conforming to IS rated voltage 11 KV and for current rating 200 Amp all as specified. Make- BHEL, PACTIL OBLUM, ABB
10
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Disconnecting of HT supply from 11KV HT panel board/RMU of any capacity and size for over hauling/ repair/re-wiring works, servicing and taking out trolley. Dismantling carefully and replacing defective parts found at the time of servicing complete with decarburizing the contact points, cleaning with CRC solution etc including calibration of relays for tripping time setting over current setting, earth fault setting and testing of panel with the help of primary injection test set for protection CT after repair complete all as directed by Engineer-in-Charge.
6
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Supply & Fix in replacement shock treatment chart board with plastic coated and aluminium frame complete all as specified and as directed by Engineer- in- Charge.
10
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Supply & Fix of post insulator with GI post for holding fixed/moving contact assembly including fixing arrangement suitable for Air break gang operated switch 400/200 Amps 11000 volts grade complete all as specified and as directed by Engineer- in- Charge.
5
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Supply & Fix in replacement led & tin alloy fuse wire suitable for HT supply complete all as specified and directed.
3
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Supply & Fix in replacement pin type, porcelain, vitreous, white or green insulator (HT), 150mm height and 150mm dia, 11000 volts grade including one galvanised MS spindle, two GI washer and one GI nut complete all as specified and directed.
5
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M&L for Lightning arrestor (set of three) HT metal oxide surge arrester polymeric type complete with all fittings ,rated voltage 12 KV continuous operating voltage 11 KV, normal discharge current 10 KA, 65 KV discharge capacity etc complete all specified confirming to IEC-600994-2001 complete all as specified and all as directed.
2
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Scrapping, cleaning and preparation of old surfaces of steel tubular pole including MS structure (any size), channels of HT 2/4 pole structure, steel fitting complete and M&L for painting with two coat for aluminium paint after preparation of the steel surfaces and then applied strap with two coats blue & white paint in strap alternatively all round the poles from the bottom of the pole for indication of the poles. Height of the strap shall be 30 cm and number of strap shall be 05 Nos.
5
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Cutting of worn out aluminium cable terminal lugs from the HT/LT cable, crimping of new aluminium cable core, lugs suitable size and fixing with transformer, terminal stud including cutting/dressing of cable, excavation surface after providing redressing of excavated surface after providing sand cushioning and brick protection complete all as specified and as directed by Engineer- in- Charge.
25
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Dismantling and taking out of wheel 04 Nos from trolley mounted transformer and providing 04 Nos jack inside of trolly for support and taking out old damage cover outer and inner from rim carefully and repair inner & outer cover and fill proper air including fixing in trolly welding of angle iron frame at junction point including scraping/burning old paint through blow lamp and cleaning through kerosene oil after that two coat of red oxide primer on metallic body of trolly and over two coat synthetic enamel paint black gray and red inside and outside of trolley, rim and base plate complete all as specified and as directed by Engineer-in-Charge.
1
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S & F in replacement of power transformer OTI & WTI meter including necessary connection, testing complete all as directed by Engr-in-Charge.
2
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S&F Copper strip 32 x 6 mm for extension of earth and connected to transformer/equipment or panel with proper clamp,saddle,nuts,bolts and washers etc properly complete all as specified and as directed by Engr-in-Charge.
120
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M&L for Earthing complete with copper earth plate electrode 600mm x 600mm x 3.15 mm thick buried directly in ground (earth pit not less than 3.75 M deep below normal ground level) with top edge of the plate not less than 3.15 M below normal ground level, connected to copper earth strip 32 x 6mm by means of bolts, nuts, check nuts and washers of galvanised iron including necessary excavation and earth work ,PCC pit chamber in PCC (1:3:6) type C-1 using 20 mm graded aggregate with 50 mm thick pre-cast RCC cover in (1:2:4) type B-1 using 20 mm graded stone aggregate, reinforced with 8 mm dia bar@75mm c/c both way with two Nos lifting handles of 12 mm dia mild steel plain bar, funnel with wire mesh, lugs, 50mm dia galvanised iron protection pipe light grade ,watering pipe of size 20 mm dia galvanised iron light grade, main Earthing strip upto 7.5M including charcoal dust, common salt etc all as shown in electrical plate No. 3 of SSR Part-I 2009 including testing on completion complete all as specified and as directed by Engr-in-Charge.
Note :- (i) The excess requirement (if more than 7.5 Mtr) of copper strip will be measured and paid separately. (ii) If excavation exceeds beyond specified depth, the extra cost will deemed to be included in this item rate.
8
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M&L for Earthing complete with galvanised MS earth plate of size 600 x 600 x 6mm thick burried directly in ground not less than 2.25 Mtr below ground level, earth plate paced on all side with charcoal mixed with salt to a thickness of 150mm in layers, connected by GI earth strip of size 32 x 6mm thick, soldered and revetted to earth plate. GI earth strip will be protected by using 40mm bore GI pipe (light grade) from test point to main board. The earthing includes PCC pit chamber, RCC pit cover and frame, watering pipe 20mm bore, funnel with wire mess with necessary earth work including disposal of surplus soil to a distance not less than 50 Mtr etc complete all as specified and shown in electrical plate No 3 of SSR Part-I. Note :- (i) The excess requirement (if more than 7.5 Mtr) of GI earth strip will be measured and paid separately.
10
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S&F Galvanised iron strip 32 x 6 mm for extension of earth and connected to equipment or panel complete all as specified and as directed .
150
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Supply & fix in repair Cable jointing kit for 11 KV (Earthed) grade cable for outdoor end termination, heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armored aluminium conductor cable of size 50 to 95 Sqmm complete all as specified and all as directed.
8
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Supply & fix in repair Cable jointing kit for 11 KV (Earthed) grade cable for outdoor end termination, 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 complete all as specified and all as directed.
4
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Supply & fix in repair Cable jointing kit for 11 KV (Earthed) grade cable for straight through joint, heat shrink type, complete with jointing material and accessories suitable for 3 core XLPE armored aluminium conductor cable of size 50 to 95 sqmm complete all as specified and all as directed.
2
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Supply & fix in repair Cable jointing kit for 11 KV (Earthed) grade cable for straight through joint, heat shrink type, complete with jointing material and accessories suitable for 3 core XLPE armored aluminium conductor cable of size 120 to 185 sqmm complete all as specified and all as directed.
2
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S & F in replacement of insulating mat suitable for 11 KV having dimensions of 2M x1M x 3mm all as specified and directed by Engr-in-Charge.
70
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Surface Dressing/ Cleaning of surrounding area of 2/4 pole structure, TR plinth sub stn including removing of tree branches small tree plants tarbushes etc complete all as directed.
5000
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M&L for mild steel work in posts and struts in fencing including 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 and directed by Engr-in-Charge
250
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S&F mild steel screw bolts of dia 11 to 15 mm (machine made) with hexagonal or square heads at one end and screwed the other or screwed both ends, each screwed end to be fitted with washers and one hexagonal square nut,of length exc 5 cm but n exc 10cm complete all as specified.
15
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Supply only chain link fencing 4 mm dia galvanized steel wire aperature of size as directed, made up into mattressess or cages lapped wired conforming to IS 2721 all as specified and directed.
Note- Fixing onlly fencing will be measured and paid seperately
750
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Fixing only chain link fencing including line wires, any mess, size and type to any type of standards, rails, staining bolts etc, including provision of biding wire complete all as specified and directed.
250
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M&L for 100mm thick PCC 1:4:8 type D2, using 40mm graded stone aggregate as in floor laid in alternate bay, finished the surface fair & even without using extra cement.
Note- Preparation of ground level for laying of floor will be measured and paid separately.
250
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