Military Engineer Services Tender
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Military Engineer Services - MES Tender
Electrical and Electronics
Electrical Works
Eprocure
Opening Date6 Feb 2025
Closing Soon6 Mar 2025
Tender Amount₹ 40,00,000
Costs
EMD
₹ 80,000Document Cost
₹ 500Tender Fee
Refer Documents
Description
Scription for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user
Contact
Tender Id
2025_MES_696654_1Tender No
CWE/JHA/GWL/TOKEN/111 OF 2024-25Tender Authority
Military Engineer Services ViewPurchaser Address
-Website
http://http://mes.gov.in/
GEM & Bid Advisory Services
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Documents
BOQ Items
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(b) Servicing/Inspecting/checking of circuit spout and cicuit spout connections for RYB phases and replacement of spares if required.
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(c) 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.
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(d) 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.
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(e) Servicing/Inspecting/checking of secondary sockets/busbar earthing plugs/earthing sockets and replacement of spares if required.
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(f) Checking, setting and adjustment of lowering and raising operation of the breaker trolley.
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(g) 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.
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(h) The inspection of HT switch gear shall involve:-
(i) Inspection of truck & hoist assembly.
(ii) Inspection of assembly & components of solenoid assembly.
(iii) Inspection of assembly & components of dependent mechanism.
(iv) Inspection of assembly & components of spring box mechanism.
(v) Inspection of motor mechanism spring charge assembly (vi) Inspection of assembly of trip unit & related components, Make: ABB VCB Indoor type
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Notes: (i) The rate quoted shall be deemed to include for necessary T&P, nuts, bolts, washers, gasket, insulation tape, compound, 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 interruptur, busbar spout, busbar spout connections, circuit spout/circuit spout connections/buffer fixed contacts, moving contacts,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 replacement.
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Supply only the following spares suitable for 250 MVA to 450 MVA HT switch gear SF6/VCBs and 33 KV HT panel repair work under relevant Schedule- Make- CG VCB
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Ratchet Wheel
1
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Powel set
2
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Closing Latch
2
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Trip Latch
1
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Vacuum interrupter type 190241725/SP for 33 KV VCB.
1
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crank leaver with bolt
1
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set of ,O' ring for pole
2
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NATV Roller 20
2
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Auxiliary contactor
2
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Motor Contactor
1
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Limit switch
2
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NATV Roller 15
2
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Closing coil assembly 30 volts DC for 33 KV VCB/SF6 Breaker.
3
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Tripping coil assembly 30 volts DC for 33 KV VCB/SF6 Breaker.
3
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Motor and gear assembly for 230 volt AC/DC (as per sample) for 33 KV VCB/SF 6.
1
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LED type indicator lamp assembly
6
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Taking down/ ISOLATING HT switch gear (Vacuum circuit breaker ) of capacity 11 KV 250/350 MVA , up to 1250 Amps comprising of following repairs, servicing,carrying out preventive maintanance and refixing the same after repairs/ servicing: - Make : C&G ,Modal No. ; 84713VG , 45024VG , VCB/405 , 42453VG ,44882VG , 45023VG , VCB/404 , 50880VG ,50881 VG , 50882 VG , 45022 VG , 41622CP , 510/20 ,84710VG, 84711VG, 84712UG, 84707 VG, 84708UG, 4709VG, 8538
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(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
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(b) Servicing/Inspecting/checking of automatic safety shutter operation for serviceability and replacement of spares if required.
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(c) Servicing/Inspecting/checking of circuit spout and cicuit spout connections for RYB phases and replacement of spares if required.
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(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.
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(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.
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(f) Servicing/Inspecting/checking of secondary sockets/busbar earthing plugs/earthing sockets and replacement of spares if required.
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(g) Checking, setting and adjustment of lowering and raising operation of the breaker trolley.
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(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.
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(i) The inspection of HT switch gear shall involve:-
(i) Inspection of truck & hoist assembly.
(ii) Inspection of assembly & components of solenoid assembly.
(iii) Inspection of assembly & components of dependent mechanism.
(iv) Inspection of assembly & components of spring box mechanism.
(v) Inspection of motor mechanism spring charge assembly (vi) Inspection of assembly of trip unit & related components, Make: CG
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Notes: (i) The rate quoted shall be deemed to include for necessary T&P, nuts, bolts, washers, gasket, insulation tape, compound, 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 interruptur, busbar spout, busbar spout connections, circuit spout/circuit spout connections/buffer fixed contacts, moving contacts,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 replacement.
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Taking out ACB of , of capacity 800A to 3200A Amps, 3pole , 415 volts,125 KA indoor type from its sub cubicle and carrying out routine maintenance as per manufacturer maintenance manual, examine the moving isolating contacts for any discolouration, cluster contacts, remove the arc chutes, check the SMC moulding are intacts, examine the moving contacts main contacts silver tips, spring mechanism, clean all contacts with a suitable solvent and contacts regreased with multipurpose grease, all contacts setting checked, readjusted if required, and regreased with multipurpose grease, all tripping device like manual trip, under voltage, shunt trip release, over current and earth fault tripping device to be tested, readjusted and confirm all tripping device is in healthy condition, check and record IR value of ACB, with 1.1. KV LT megger calibrating ground fault / short ckt, overload relays for tripping & timing complete and rendering test report all as specified and as directed. Make C&G, Modal : 3542 , 3543, 3544
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NOTES for item Nos 1 ,2 & 3,4 : (i) The scope of work includes following :- (a) Inspection & cleaning the mechanism house
(b) Operation of door interlock, interlocking plate & shutter operation inside of panel.
(c) Check the Mechanical ON-OFF function, electrical & mechanical operation and damage part of VCB/ACB.
(d) Re-greasing and oiling of breaker mechanism, adjustment of various mechanism setting as required, checking contact tightness, contact erosion pins, manually vaccum check of VCB/ACB.
(e) Racking-Rack out operation in Test & service position of VCB/ACB trolley.
(f) Megger test (IR value - 1KV / 2.5KV) E-RYB, RY-YB, BR-R'R, Y'Y, B'B.
(g) CRM Test (contact resistance) of Vacuum Interrupter R, Y, B in on condition outside of panel.
(h) Time test of contract pole by Test kit (in mile second).
(j) Function of closing coil, Trip coil, spring charging motor, auxiliary contact, limit switches etc.
(k) Checking & lubrication of various interlocks.
(l) Submission of test report in standard format of vacuum circuit breaker.
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Supply only the following spares suitable for 250 MVA to 450 MVA HT switch gear VCBs and 11 KV HT panel repair work under relevant Schedule
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AUTOMATIC BATTERY CHARGING UNIT COMPLETE WITH BATTERY FOR 30 V DC SUPPLY INDICATORS RELAYES CUT OFF ETC MAKE RE/SYSTEM CONTROL
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Digital Ammeter 96*96
5
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Digital Voltmeter 96*96
5
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Indicating lamps Red
6
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Indicating lamps Yellow
4
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Indicating lamps Blue
5
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Indicating lamps Amber
4
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Indicating lamps white
8
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Trip ckt push button with NO Contacts
4
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Spring charging motor 230VAC
6
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Limit switch
5
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ZZ, Micro switch
5
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Big gear assembly
6
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Small gear assembly
6
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Tripping shaft assembly
4
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Closing shaft assembly
4
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PT Fuse for 11kv VCB panel
6
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Closing coil assembly 30VDC
15
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Tripping coil assembly 30VDC
15
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HRC control fuses 2A, 4A, 6A, 10A
15
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Breaker control switch
10
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Power pack unit 230VAC/30VDC
2
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Auxiliary switch 7NO + 7NC
4
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Master Trip relay 30VDC
6
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Fuse base with carrier assembly.
6
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32 pin plug & Socket.
4
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Vacuum interceptor for 11kv VCB Make C& G. Modal No. 44882VG , 45023VG ,50880VG ,50881 VG
4
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Holding catch assembly
6
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Complete breaker mechanism assembly.
2
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ON/OFF push button plate assembl
6
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Breeze rectifier.
2
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Test & service switch
6
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Auxiliary relay of OTI,WTI,BUCZOL
2
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Spring charging handle.
4
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Bus bar Support insulator. For 11kv VCB
20
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Timer
6
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Anti-pumping devise.
4
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Hooter
6
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Segment gear for 11kv.
2
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M&L for replacement of Earth fault and overload relay suitable for 11KV HT VCB panel of capacity upto 1200 Amps alongwith carrying out the required D C wiring of the realy module with the existing current transformer alongwith making the necessary adjustment in tripping current of the relay all as specified and directed by Engr-In-Charge.
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M&L for replacement of Earth fault and overload relay suitable for folloing 33KV HT VCB panel of capacity upto 1200 Amps alongwith carrying out the required D C wiring of the realy module with the existing current transformer alongwith making the necessary adjustment in tripping current of the relay all as specified and directed by Engr-In-Charge.
(a) 33KV HT VCB panel.
(b) 33KV HT VCB panel .
(c) 33KV HT VCB panel .
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Taking down old unserviceable/burnt & supply, fixing and testing of metering & 33 KV protection type Potential Transformer (PT), Outdoor Oil Cooled Type, Single Phase, Single Pole, Earth Type, Conforming to IS 16227 : Part 1 (2016) & part 3 (2015), ratio 33 KV/110 V, HSV: 36 KV IL:36/70/170KVP, burden:200VA,accuracy class:0.5, VF :1.2 cont. & 1.5 for 30 Seconds, freq:50HZ insualtion class : A a. including dismantling old existing PT complete all as specified and directed.
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Taking down old unserviceable/burnt & supply, Fixing and testing of metering & protection type current Transformer (CT) resin cast dry type/oil filled type 33 KV outdoor type, oil cooled , wound primary current transformers(CT) conforming to IS:16227/2016 (Part 1&2) of ratio 200-100/5A, Burden 15-15VA, Accuracy class 0.5s-5P 10, HSV 36 KV, IL:36/70/170 kVp.STC 25 KA for 1 sec., duly tested, including dismantling old existing CT complete all as specified and directed.
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Supply & Fixing in replacement & testing and commissioning of resin current transformer dual core dual ratio for protection and class I accuracy suitable for 11 KV, 100/50/5+5A of primary wound type with adjustable VA bourden and accuracy in clearing the CT wiring with primary and secondary injection kit including identification to the base and connecting links to HT/VCB to match with the existing system complete all as directed
6
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S& Fixing in replacement & testing and commissioning of PT (Protection Transformer) for 11 KV indoor VCB, draw out type, 11 KV, 11000/110V, VA-5CLASS 1 RATED FRIQUENCY50HZ Make CGL Approved. Top mounted.
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S& Fixing in replacement & testing and commissioning of resin current transformer dual core dual ratio for protection and class I accuracy suitable for 11 KV, 200/100/5+5A of primary wound type with adjustable VA bourden and accuracy in clearing the CT wiring with primary and secondary injection kit including identification to the base and connecting links to HT/VCB to match with the existing system complete all as directed
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S/F in repair of 11 KV bus bar supporting spout / insulators 130 MM LONG 60 MM DIA /as per sample single pole for indoor use 400 to 800 Amp suitable for existing panel complete all as directed and specified.
10
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Taking down the existing relays (two Nos over current and one no earth fault relays) fixed in 33/11KV HT Panels for primary and secondary injection and calibration of all the relays and setting the relay tripping timings in advance to the feeding sub-station to ensure pockets wise installation of various relays in position with complete control and test and trial complete all as specified and directed by Engineer-in-Charge. Note :- (i) The primary injection kit shall be arranged by the contractor. (ii) The DC supply for relay testing shall be arranged by the contractors.
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M&L for Strip Opening the busbar of the HT 11 KV VCB panel from 800 Amps to 2000 Amps, removing the old teared/ unsv insulation from the bus bar,checking the IR value before fixing the HT sleeve and refixing the heat shrinkable insulating tape sleeve suitable for 11 kv busbar not less than 3mm thick having dielectric strength not less than 15kv/mm and HT insulation tapefor CT/ PT connection complete . Note :- Test sheet of IR value shall be submitted by the contractor, no cost extra shall be paid by the department and all testing requirement shall be borne by the contractor including transportation and T&P.
10
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Supplying and laying synthetic Rubber insulated mats 3 mm thick for voltage upto 33 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of size 2x1m.
10
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M&L for replacement of Silica gel breather assembly complete and silicagel including connecting with proper necessary gaskets if necessary, including removing the unserviceable breather assembly.
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5 MVA
2
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1.6 MVA
2
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M&L for earthing complete in repairs with galvanized steel earth plate electrode 600x600x6mm thick buried in ground vertical to a depth not less than 2.25 mtrs deep below ground level with top edge of plate not less than 1.5 mtr below normal ground level connected to galvanized GI strip of size 32 X 6 mm and 40 mm dia bore 7.5 mtr long light grade GI protection pipe for earth strip and GI watering pipe 40 mm dia medium grade from the top edge of earth plate fixed with deep cut on one end of pipe and fix from earth plate up to one feet above ground level of other end and plugged watering pipe at top with MS cap and grouted in PCC 1:2:4 of size 30 X 30 X 30 CM etc and 15 CM alternate layer of charcoal and salt around all sides of earth plate all as shown in electric plate no 3 of SSR part I of 2009.
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Supplying and fixing in repairs 32mm X 6mm ,GI earth strip all as specified and directed .
60
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M&L for testing of resistance of earthpits of transformer,panels etc after testing the report shall be furnished in standard format approved by Engineer-in Charge.
40
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M&L for repair and servicing of HT (HT 11 KV) two pole structure by replacing Aluminium PG clamps, GI bolts and nuts, pieces of ACSR conductor with insulation sleeve RYB of any size as jumpers and applying silicon compound for prevention of arcing due to dust/ salt deposits over the surfaces including preparation of surfaces, applying zinc chromate primer on rusted surfaces and applying one coat of aluminum paint to the entire structure complete all as directed. Note:-Rate quoted shall be inclusive of two coats of white wash on exposed concrete .
5
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S & F of HT bush with High Voltage brass studs with checks nuts , washers etc of 33 KV grade and HT bushing parts such as porcelain, clamp nuts and bolts etc complete all as specified and directed for the following capacity of transformer.
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1.6 MVA
4
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5 MVA
4
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Supply and install HT 11 KV, 200 Amp outdoor type gang operated single break switch Tilting type vertical mounting consisting of hot dip galvanised channel iron base having 2 Nos 11 KV Post type insulator in stack and 3 stack per phase copper or copper alloy high pressure heavily tinned contacts plated MS arcing horns capable of breaking the magnetizing current complete with horizontal connecting bar GI pipe as down rod levers coupling & operating handle with locking arrangement complete.
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M & L for switch air break gang operated triple pole out door type with drop out switch fuse unit on HT 11 KV 50 cycle AC suitable for current rating upto 200 Amps mechanically operated mounted on insulators (12 Nos epoxy insulators) and frame with operating mechanism worked from ground level with earth switch and including locking arrangement complete all as directed.
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S & Install drop out lift OFF HT 11 KV, 200 Amp fuse link consisting of channel iron base having 2 Nos 11 KV post type insulators in stack & 2 stack per phase complete with fuse carrier of SRBP tube with heavily tinned non ferrous metal parts and spring loaded phosphor bronze contact complete manufactured as per IS 9385 Complete
2
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M&L for primary injection test of 33 KV current transformer and checking the electrical circuits for fault condition and proper functioning and also submitting the test report all as directed by engr in charge.
5
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M&L for primary injection test of 11 KV current transformer and checking the electrical circuits for fault condition and proper functioning and also submitting the test report all as directed by engr in charge.
4
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M&L for primary injection test of 11 KV or 33 KV Potential transformer by applying low voltage on HV Side including testing of secondary wiring for its healthiness. Note :- For item SI No 26 to 28,Testing and calibration of Relays, CTs, PTs etc shall be carried through OEM approved agencies and original test results shall be submitted in triplicate.
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Disconnecting and removing existing unserviceable battery and S&F maintenance free battery 12V 180 AH with minimum 2 years warrenty all as specified and as directed by Engineer-in-Charge.
1
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M&L Coarse Stone aggregates, grading l,90 to 40 mm size or grading 2, 63 to 40 mm size Complete including cleaning the bushes and vegetation and leveling incl removal of surplus soil in hard/ dense soils.
100
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M&L for preparation surfaces of HT 11 m long and painting with two coat of aluminium paint on all steel surfaces such as poles, channels, angles, clamps, nuts, bolts and washers of any description including fixing of radium stickers of any description with new radium reflector band / strips and numbering of pole shall be done in White colour on Black background at suitable place on the pole complete all as specified and directed by Engineer-in-Charge.
25
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Supply, laying & testing cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminiium conductor, 11000 volts grade cross sectional area 120 sq. mm 3 Core earthed including taking down old u/s cable.
100
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M&L for disconnecting 33 KV/11KV HT/LV Supply from following power transformers up to 5 MVA cap and opening clamps bus bar extension and disconnecting of HT 33/11 KV Supply to transformer by opening clamps,bus bar extension and isolating the transformer from bus bar outdoor type,shifting the transformer to Civil workshop.Drainning transformer oil complete and taking out cores and windings from body and put in oven for heating the coils for improvement of insulation resistance till proper insulation results achived,Cleaning transformer body inside and outside complete painting with two coats of super enamelled paint inside and outside the body complete after scratching and removing old paint layers,rfixing cores and coil in transformer body.Refilling Oil dehydration and filteration of oil to improve the dielectric strength /insulation value of transformer oil upto 60 KV and carryout test results such as megger test,ratio test,magnetic balance test,short circuit test,full load test,including replacement of wornout nuts bolts,all gaskets packing sheets,sleeves,temp gauge etc complete reshifting the transformer at MRS install on platform and connecting HT 33 KV/11 KV Connection incl replacement of clamps nuts bolts and washer complete connecting and making control wiring system in serviceable condition and testing of following transformers on full load all as specified and directed.
(a) Transfomer of Capacity 1.6 MVA. (b) Transfomer of Capacity 1.6 MVA.
(c) Transfomer of Capacity 5 MVA.
(d) Transfomer of Capacity 5 MVA.
Note : The Cost of transformer oil and filteration cost shall be paid separetly under respective BOQ items.
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M&L 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 complete all as directed by the Engineer-in-Charge.
2500
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Supply and topping up of transformer oil with di-electric strength not less than 60 KV in to the conservator tank/ body tank of the transformer complete all as directed by the Engineer-in-Charge.
4500
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