Military Engineer Services Tender
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Military Engineer Services - MES Tender
Electrical and Electronics
Electrical Works
Eprocure
Opening Date16 Sep 2024
Closing Date7 Oct 2024
Tender Amount₹ 63,00,000
Costs
EMD
₹ 1,19,500Document Cost
₹ 1,000Tender Fee
Refer Documents
Summary
81107 Certain Repair / Maint Of Vcbs, Rmus, Primary Protection Relays, Auxiliary Power Supply, Ht Ug Cables/ Structure/ Ht Ring Main Feeders, Re-insulation/ Dehydration Of Step Up/ Step Down/ Distribution Transformers, Css, Improvement To Sub-stn Yar
Description
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Contact
Tender Id
2024_MES_659570_2Bid Award Id
ViewTender No
81107 CERTAIN REPAIR / MAINT OF VCBs, RMUs, PRIMARY PROTECTION RELAYS, AUXILIARY POWER SUPPLY, HT UGTender Authority
Military Engineer Services ViewPurchaser Address
-Website
http://http://mes.gov.in/
GEM & Bid Advisory Services
Get portal registration, tender bidding, product/service listing or vendor/MSME certification services at a nominal cost
Documents
BOQ Items
Cleaning the transformer body from inside, removing deposited dirt/ sludge/ foreign particles etc. from the bottom/ body of the transformer and drying up the shell from inside before refilling of the transformer oil.
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Cleaning and washing thoroughly core and windings of the transformer by hosing down with clean dry oil( without moisture) conforming to IS 335/1983, removing deposited dirt/sludge/foreign particles from the windings/ core, thorough inspection of windings, providing insulations to leads and terminals, heating/ drying/ baking complete carefully and thoroughly inside the heating chamber at suitable temperature to obtain required value of insulation resistance etc. all as directed by Engr-in- charge.
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Lifting and refixing core assembly inside the transformer shell gently and carefully, connecting primary/ secondary/ Neutral connections to the bushings assembly, fixing of tap change over including tightening of nuts, bolts, washers of the core to reduce humming noise all as directed.
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Refilling the filtered transformer oil in the shell of transformer complete.
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Refixing the top cover including replacement of cork sheet/ gasket 8mm thick, tightening of nuts/ bolts/ washers etc. and replacement of breather with silica gel crystal type all as directed by Engr-in charge
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Lifting/ shifting to the place from where removed or to any location as directed and re-installing the transformer including connecting primary/ secondary/ neutral and earthing connections etc. all as directed by Engr-in-Charge.
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Carrying out the inspection of the transformer. The inspection of transformer shall involve:-
(a) Checking of all clamps, nuts, bolts including core bolts & cover fixing bolts.
(b) Checking all brazings, joints, tap heads and connection joints.
(c) Checking all jumpers, terminations/ connections inside the transformer.
(d) Checking the Buchholtz relay/ conservator MOG if any.
(e) Painting of transformer complete with two coats of synthetic enamel paint externally transformer shell complete all as directed by Engr-in-Charge.
(f) Inspection of tap changer, checking the moving and fixed contacts for contact wear and connection to winding.
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Conducting the tests on core and windings as per IS like ratio, magnetic imbalance, short circuit etc. in presence of Engr-in-Charge and test results shall be signed both by the contractor and Engineer -in-Charge and kept on record.
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All as per Item No 1 to 1.10 here-in-before but for transformer indoor/ outdoor type of capacity 250 kVA to 400 kVA complete all as specified and directed by Engineer-in-charge.
2
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All as per Item No 1 to 1.10 here-in-before buttransformer indoor/ outdoor type of capacity 100 KVA to 200 KVA complete all as specified and directed by Engineer-in-charge.
1
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General Notes for Item No 1 ot 3:-
(i) Any damage to insulators/ bushes/ windings etc. while in the custody of the contractor shall be made good at no extra cost to Department. The serviceability of the transformer shall be checked and confirmed by the contractor before taking into his custody.
(ii) The quoted rate deemed to be inclusive of provision of alternate stand by transformer of suitable capacity (on rental basis) from workshop till repairs to existing transformer and the cost of rent, transportation to and fro, installation & connection also deemed to be included the quoted rate for the same.
(iii) M&L for rewinding/ re-insulation of HT/ LT (primary/ secondary) coils, bushes, studs, Transformer oil,cable box, replacement of buchholtz relay if any etc will be measured and paid separately.
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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 and submit the same signed by both contractor and Engineer in Charge and kept on record complete as specified and directed by Engineer-in-charge.
9600
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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/ PSS etc at various locations complete all as directed by the Engineer-in-Charge. [Make: Poweroil/ Transol/ Sabitha Chemicals]
1254
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M&L for rewinding of distribution (HT/LT) transformers of capacity ( 50 KVA to 750 KVA)/ type by winding the defective coils with new copper wire as per I.S. of same gauge and existing size together with new insulated materials/ bracings before placing in to the transformer and assembling the coil with new insulation and fitting the coils in the chamber, testing and commissioning the transformer and recording the test results complete all as directed.
[Note: M&L for re-insulation of serviceable coils shall be measured & paid separately under relevant items.]
240
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M&L for re-insulating windings of HT/ LT distribution transformers of capacity ( 50 KVA to 750 KVA) / size/ type by strip opening of HT/ LT coils (i.e. Primary/ secondary coils) from core assembly safely, unwinding the HT/ LT coils (i.e. Primary/ secondary coils) complete, removing the old defective insulation paper and replacing with new DPC insulation to the copper conductor, re-varnishing of the windings with super varnish including heating/ drying/ backing complete carefully and thoroughly inside the heating chamber at suitable temperature to obtain required value of insulation resistance etc. all as per IS 1986-87 and as directed by Engr-in- charge.
240
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M&L for replacement of silica gel breather of assembly for HT/ LT distribution transformers of the following capacity including dismantling old one
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500 KVA to 750 KVA
7
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250 KVA to 400 KVA
4
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100 KVA to 200 KVA
6
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M&L for replacement gun metal drain valves of transformers of following capacities including dismantling old one:- MAKE :- UPADHYAY/ LEADER/ ZOLOTO/ VAG
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500 KVA to 750 KVA
1
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250 KVA to 400 KVA
1
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100 KVA to 200 KVA
1
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M&L for replacement of the LT porcelain bushings complete for distribution transformers of capacity 50KVA to 750KVA of existing transformer make/ size/ type all as directed including dismantling old one.
9
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M&L for replacement of the HT porcelain bushings complete for distribution transformers of capacity 100KVA to 750KVA of existing transformer make/ size/ type all as directed including dismantling old one.
9
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M&L for replacement of the LT bushing rod made out of gun metal with threading & of suitable length/ size all as per existing including metal rings/ bolts/ washers/ rubber rings etc. complete of following capacity distribution transformers of any make/ size/ type all as directed including dismantling old one.
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500 KVA to 750 KVA
6
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250 KVA to 400 KVA
6
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100 KVA to 200 KVA
3
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M&L for replacement of the HT bushing rod made out of gun metal with threading & of suitable length/ size all as per existing including metal rings/ bolts/ washers/ rubber rings etc. complete of following capacity distribution transformers of any make/ size/ type all as directed including dismantling old one.
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100 KVA to 750 KVA
6
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M&L for replacement of (OTI) Oil Temperature indicator of following distribution transformers including dismantling old one complete all as specified and directed.
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100 KVA to 400 KVA
2
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Dismantling old rusted cable box and M&L for porviding new cable box made out of MS sheet of thickness not less than 5 mm including fabrication works, welding etc of appropriate size to suit the existing transformer size, including nuts, bolts, cable glands, termination of existing cables and applying two coats of smoke grey colour synthetic enamel paint over a coat of red oxide primer etc., all as directd by the Engineer-in-charge for the following capacity transformers. Note: The Contractor shall submit the drgs of boxes for approval of GE before manufacturing and placing order.
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500 KVA to 750 KVA
1
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250 KVA to 400 KVA
1
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100 KVA to 200 KVA
1
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M&L for preparation of old painted surfaces of transformers with coarse cloth/ brush and painting throughout externally on exposed surfaces with two coats of smoke grey colour synthetic enamel paint or as approved colour including writing of transformer details on plinth in white enamel paint on black enamel paint back ground complete including one coat of white wash for base foundation all as specified and directed by Engineer-in-charge for the following capacity in-door/ out-door type transformer:-
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500 KVA to 750 KVA
2
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250 KVA to 400 KVA
2
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100 KVA to 200 KVA
2
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M & L for clearing of bushes/small plants upto root level around and surroundings areas E/M installations (i.e.Two Pole/ Four structures, outdoor-substation yards & Misc E/M installations etc) including spraying of chemical for anti-vegetation growth as approved, surface dressing n.exc 15 cm deep and removing debris to a distance n.exc 50m complete all as directed
200
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Supply and lay Graded coarse aggregate of size 40 mm dia size in outdoor sub-station yards complete all as specified and directed.
6
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Supply and lay Graded coarse aggregate of size 20 mm dia size in outdoor sub-station yards complete all as specified and directed.
6
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M&L for disconnecting carefully electrical connection from both HT/ LT (primary & secondary) sides of the transformer, keeping them at safe side and taking out the transformer/CSS indoor/ outdoor type of capacity 50 to 750 KVA, 11 KV/ 0.433 KV, step up / step down , including lifting/ shifting , transporting, handling to the place from where removed or to any location as directed and re-installing the transformer carefully including connecting primary/ secondary/ neutral connections etc. all as directed by Engr-in-Charge.
2
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Material and labour earthing with copper plate 60×60cm ×3.15mm thick electrode and 20×3mm copper strip as earthing lead, buried directly in ground to a depth not less than 2.25 mtr deep below normal ground level with top edge of the earth plate not less than 1.5 mtr deep below normal ground level connected to20×3mm copper strip as earthing lead by means of nuts, bolts and washers of steel after welding of GI strip to earth electrode to the full length of earth plate, GI medium grade pipe 40 mm bore protection pipe upto test point, 20mm dia GI light grade watering pipe with funnel and wire mesh, RCC pit cover of size 300x300x40mm reinforced with XPM having weight not less than 4Kg/sqmm including 6mm thick MS bar handle made to shape, PCC pit with 1:3:6 type C1 with angle iron frame made of angle iron of size 40x40x4mm, adequate qty of charcoal dust and salt layers all around the earth plate, excavation , earth work in any type of soil, removal of excavated soil and returning filling in all as required at site complete all as specified in plate No 3 of SSR Part-I and all as specified or indicated including testing on completion.NOTE :-Rates inclusive of necessary excavation in any type of soil, earth work, PCC pit, RCC cover, funnel with watering pipe,Copper earth strip upto 7.5 m long for connecting to test point etc. all as required at site for complete earthing and dismantling old defective earthpit.
3
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M&L for solid block walling with PCC block (1:3:6) Type C1 (20 mm graded Aggregate) , straight on plan exc 6m mean radius built in CM 1:6. cement mortar complete all as specified and as directed
2.5
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M&L for rendering 10 mm thick in CM 1:4 on fair faces of brick work or concrete surface and even smooth (without using extra cement) complete all as specified and as directed
30
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M & L for excavation in trenches n.exc 1.5mtr wide and not exc 1.5mtr depth and getting out in soft/loose soil complete all as specified and directed.
140
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All as per Item No 25 here-in-above but depth exc 1.5 mtr or part there of in depth beyond 1.5 mtr depth complete all as specified and directed.
2
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Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm in soft/loose soil complete all as specified and directed.
125
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Removing excavated material (soil) to a distance not exceeding 50 meters and depositing where directed at a level not 1.5 metres above the starting point complete all as specified and directed.
15
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Dismantling damaged /unserviceable concrete poles/ struts, any size complete all as specified and directed.
6
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Supply and erection in vertical position Steel tubular swaged poles complete with cast iron base plate, finial taper plug, bolts, nuts and screws, type 410 SP-55 (11.0 metres long) all as specified duly painted with two coats of black bituminous paint internally through out and externaly for embeded portion and painting with one coat of red oxide primer, applying two coats of synthetic enamel aluminium paint on remaining exposed surfaces after errection complete, painting with synthetic enamel paint of colours black and red alternate strips of 30cm width upto 1.5 mtr from the top of coping complete including making suitable holes where required all as specified and directed .
Note : PCC in foundation, coping, Earth work (Excavation, Returning & refilling and removal) will be measured and paid separately under relative items of Sch 'A'.
6
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M&L for Plain cement concrete (1:4:8) type D-2 (Using 40 mm graded crushed stone aggregate) as in foundation for poles mass concrete or in any indicated positions etc complete all as specified and directed.
2
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M & L for Plain cement concrete (1:2:4) type B-1 (Using 20 mm graded stone aggregate) for coping of pole complete all as specified and directed.
1
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Dismantling unserviceable cross arms including clamps, bolts, nuts, washers etc from pole complete all as specified and directed.
8
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Supply, fabricate and fix cross arms any size along with, brackets, clamps, bolts, nuts, washers, bracers etc including drilling holes, cold/hot complete and fixed to pole including one primer coat and one under and finishing coat of paint complete all as specified and directed.
8
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Dismantlin of ACSR conductor of any size, from insulator etc from the structure/over head line complete all as specified and directed.
0.5
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M&L replacement of ACSR conductor of any size as ordered by Engr-in-charge including tightening and bindingh with new binding wires to insulators complete all as specified and directed.
0.5
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M&L pin type insulator vitreous, white, brown, or green insulator includig one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut 150 mm height, 150 mm dia for 11000 volts grade complete all as specified and directed.
3
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S&F disc type insulator, porcelain, vitreous 145 mm high and 255 mm dia ball and socket type white, brown or green, single disc assembly for tension with tension clamps for conductors, working pressure 11000 Volts complete all as specified and directed.
3
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S&F Pin type, composite silicon rubber polymeric type insulator 165 mm height, 100mm dia for 11000 volts grade, 5 kN with ECR glass rod, forged steel top and bottom, silicon rubber housing and weather sheds, including one galvanized mild steel spindle, galvanized iron washer, spring and one galvanized iron nut all as specified and as directed including taking down existing unserviceable insulator complete all as specified and directed.
12
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S&F disc type insulator, composite silicon rubber polymeric type 200 mm height, 100mm dia for 11000 volts grade, 45 kN with ECR glass rod, forged steel tongue and cleaves, silicon rubber housing and weather sheds all as specified and as directed including taking down existing unserviceable disc type insulator complete all as specified and directed.
18
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M&L for dismantling insulators any type, size complete all as specified and directed.
36
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M&L for anti climbing device, spikes type fabricated out of MS bars (round/square/flat) including nuts,bolts, washers and welding in two halves made to shape to suit the cross section of the pole including dismantling old one complete all as specified and directed.
0.5
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S&F 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,bolts, nuts of approved size for HT 25x20 cm size including dismantling old one complete all as specified and directed.
6
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Dismantling air break gang operated switches triple pole vertical/ horizontal mounted including isulators and opretaing mechanism for replacment complete all as specified and directed.
6
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Supply , install, testing and commissioning of HT 11 KV Switch air break, gang operated, triple pole, mechanically operated, mounted on minimum 9 insulators of any type as directed and MS channel frame, with operating mechanism made out of 25 mm dia GI medium grade pipe suitable for operation from ground level with locking arrangement complete for current rating 400 Amps complete all as specified and directed by Engr-in-charge.
6
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Taking down old DO fuse unit and S&F expulsion fuse single phase above 50 & up to 100 AMPS capacity, 11000 Volts complete all as specified and directed.
6
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Taking down existing unserviceable Lightning arresetor and S&F HT lightening arrestor metal oxide type (gap less) heavy duty single pole for 11 KV overhead line/ 4 pole/2 pole structure, suitable for 12 KV rated highest system voltage, long duration distribution discharge class type, IP 55 Degree of protection, 100(kVp) at 65 kA High current impulse withstand voltage and 9 KV Arrestor rating with normal discharge current of 10 KA complete with all fittings conforming to IS: 3070 part-3 effectively connected with earthing system complete all as specified and directed by Engr-in-Charge. Note:- Manufacturer's Test certificate for lighting arrestor shall be produced before claiming for payment. complete all as specified and directed.
2
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M&L for fixing in repairs 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 with galvanised iron strip 32x6 mm including dismantling old one complete all as specified and directed.
45
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M&L for fixing in repairs 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 with 4mm dia galvanised iron or steel wire including dismantling old one complete all as specified and directed.
12
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M & L for earthing with steel earth plate electrode of size 60x60cmx6mm thick buried directly in ground to a depth not less than 2.25 mtr deep below normal ground level with top edge of the earth plate not less than 1.5 mtr deep below normal ground level connected to galvanized iron strip of size 32x6mm as earthing lead by means of nuts, bolts and washers of steel after welding of GI strip to earth electrode to the full length of earth plate, GI medium grade pipe 40 mm bore protection pipe upto test point, 20mm dia GI light grade watering pipe with funnel and wire mesh, RCC pit cover of size 300x300x40mm reinforced with XPM having weight not less than 4Kg/sqmm including 6mm thick MS bar handle made to shape, PCC pit with 1:3:6 type C1 with angle iron frame made of angle iron of size 40x40x4mm, adequate qty of charcoal dust and salt layers all around the earth plate, excavation , earth work in any type of soil, removal of excavated soil and returning filling in all as required at site complete all as specified in plate No 3 of SSR Part-I and all as specified or indicated including testing on completion.
Note :-Rate quoted shall deemed to be include the cost of necessary excavation in any type of soil, earth work, PCC pit, RCC cover, funnel with watering pipe, GI earth strip upto 7.5 m long for connecting to test point etc. all as required at site for complete earthing and dismantling old defective earthpit.
4
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& L for earthing complete with galvanized steel earth plate electrode 60cmx60cmx6 mm thick buried directly in ground (Earth pit not less than 2.25 Mtr deep below normal ground level )with top edge of the plate not less than 1.5 Mtr below normal ground level connecting with galvanized iron GI earth wire 4mm dia by means of bolt nut check nuts and washers of galvanized iron and provision of GI tubing medium grade (ISI marked)of size 15mm for protection of GI earth wire upto test point, 20mm dia GI light grade watering pipe with funnel and wire mesh, RCC pit cover of size 300x300x40mm reinforced with XPM having weight not less than 4Kg/sqmm including 6mm thick MS bar handle made to shape, PCC pit with 1:3:6 type C1 with angle iron frame made of angle iron of size 40x40x4mm, adequate qty of charcoal dust and salt layers all around the earth plate, excavation , earth work in any type of soil, removal of excavated soil and returning filling in all as required at site complete all as specified in plate No 3 of SSR Part-I and all as specified or indicated including testing on completion.
Note :-Rate quoted shall deemed to be include the cost of excavation in any type of soil, earth work, PCC pit, RCC cover, funnel with watering pipe, GI earth strip upto 7.5 m long for connecting to test point etc. all as required at site for complete earthing) and dismantling old defective earthpit. .
2
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Supply ,laying , testing & commissioning of HT UG cable, XLPE insulated screened PVC bedded,galvanised steel strip or wire armoured, electric power cable(heavy duty) with stranded aluminium conductor 11 KV grade (Earthed system cable) as per IS 7098 Part-II, of following sizes all as directed including dismantling old one. Note:- (a) Earth work ( Excavation, Returning & refilling and removal), sand cushioning, concrete cable covers,GI pipe protection for road crossings, HT termination joints shall be measured and paid separately under relevant items.
-
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3 Core 185 Sqmm
60
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3 Core 95 Sqmm
180
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3 Core 120 Sqmm
140
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M&L cable jointing kit for 11 KV (Earthed) grade XLPE cable for outdoor end termination cold shrinkable type joint complete with jointing material and accessories suitable for following sizes including testing after jointing complete all as directed . Note:- Earth work ( Excavation, Returning & refilling and removal), sand cushioning, concrete cable covers,GI pipe protection shall be measured and paid separately under relevant items.
-
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3 Core 120 Sqmm to 185 Sqmm
1
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3 Core 50 Sqmm to 95 Sqmm
1
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M&L cable jointing kit for 11 KV (Earthed) grade XLPE cable for Indoor end termination cold shrinkable type joint complete with jointing material and accessories suitable for 3 core 120 sqmm to 185 sqmm XLPE cable including testing after jointing complete all as directed . Note:- Earth work ( Excavation, Returning & refilling and removal), sand cushioning, concrete cable covers,GI pipe protection shall be measured and paid separately under relevant items.
-
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3 Core 120 Sqmm to 185 Sqmm
1
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3 Core 50 Sqmm to 95 Sqmm
1
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M&L cable jointing kit for 11 KV (Earthed) grade XLPE cable for outdoor straight through cold shrinkable type joint complete with jointing material and accessories suitable for following sizes including testing after jointing complete all as directed .. Note:- Earth work ( Excavation, Returning & refilling and removal), sand cushioning, concrete cable covers,GI pipe protection shall be measured and paid separately under relevant items.
-
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-
3 Core 120 Sqmm to 185 Sqmm
1
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-
3 Core 50 Sqmm to 95 Sqmm
1
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M&L cable jointing kit for 11 KV (Earthed) grade XLPE cable for outdoor end termination heat shrinkable type joint complete with jointing material and accessories suitable for following sizes including testing after jointing complete all as directed.
Note:- Earth work ( Excavation, Returning & refilling and removal), sand cushioning, concrete cable covers,GI pipe protection shall be measured and paid separately under relevant items.
-
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-
3 Core 120 Sqmm to 185 Sqmm
5
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3 Core 50 Sqmm to 95 Sqmm
5
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M&L cable jointing kit for 11 KV (Earthed) grade XLPE cable for indoor end termination heat shrinkable type joint complete with jointing material and accessories suitable for following sizes including testing after jointing complete all as directed.
Note:- Earth work ( Excavation, Returning & refilling and removal), sand cushioning, concrete cable covers,GI pipe protection shall be measured and paid separately under relevant items.
-
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-
3 Core 120 Sqmm to 185 Sqmm
6
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3 Core 50 Sqmm to 95 Sqmm
4
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-
M&L cable jointing kit for 11 KV (Earthed) grade XLPE cable for outdoor straight through joint heat shrinkable type joint complete with jointing material and accessories suitable for following sizes including testing after jointing complete all as directed.
Note:- Earth work ( Excavation, Returning & refilling and removal), sand cushioning, concrete cable covers,GI pipe protection shall be measured and paid separately under relevant items.
-
-
-
3 Core 120 Sqmm to 185 Sqmm
4
-
-
3 Core 50 Sqmm to 95 Sqmm
3
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-
M & L for good quality dry sand cushioning in cable ducts for protection of under ground electric cable on layer of 8 cm thick before laying the cable and second layer of 15 cm thick after laying the cable all as specified in clause 19.75 of MES Schedule part-I (2009) complete all as specified and directed.
Note : Sand shall be fine river sand as specifed and punned thickness shall be measured and paid.
15
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-
Supply & Laying as in repair of DWC (Double Wall corrugated) HDPE pipe ISI marked of outer dia of 77 mm, polythylene confirming to IS 16205 part-24 including coupler & bend with smoooth inernal and corrugated external surface for non-pressue under ground cable complete all as specified and directed.
304
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-
Supply & Laying as in repair of DWC (Double Wall corrugated) HDPE pipe ISI marked of outer dia of 90 mm, polythylene confirming to IS 16205 part-24 including coupler & Bend with smoooth inernal and corrugated external surface for non pressue under ground cable complete all as specified and directed.
57
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-
Supply and lay 80mm dia bore GI tubes light grade galvanised with all fittings laid in trenches etc for protection of cable including taking down of old unserviceable GI pipe complete all as specified and directed.
6
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-
Supply and lay 100mm dia bore GI tubes light grade galvanised with all fittings laid in trenches etc for protection of cable including taking down of old unserviceable GI pipe complete all as specified and directed.
6
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-
Demolition of cement concrete of any type complete all as specified and directed.
11.64
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-
M&L for repair and servicing of HT 11 KV RCC/steel tubular four pole structure by replacing galvanized PG clamps, GI bolts and nuts, pieces of ACSR conductor with insulation of any size as jumpers including lubricating the moving parts of AB switch and cleaning of all disc /pin insulators and applying silicon compound for prevention of arcing due to dust/ salt deposits over the surfaces including applying one coat of zinc oxide primer on rusted portions after preparation of surfaces & a coat of aluminum paint to the entire steel structure complete all as specified and directed. Note:-Rate quoted shall deemed to be include the cost of painting of steel structure,two coats of white wash on exposed concrete surfaces,ACSR conductor for jumpering, GI hard ware like nuts, bolts etc complete
6
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-
M&L for repair and servicing of HT 11 KV RCC/steel tubular two pole structure by replacing galvanized PG clamps, GI bolts and nuts, pieces of ACSR conductor with insulation of any size as jumpers including lubricating the moving parts of AB switch and cleaning of all disc /pin insulators and applying silicon compound for prevention of arcing due to dust/ salt deposits over the surfaces including applying one coat of zinc oxide primer on rusted portions after preparation of surfaces & a coat of aluminum paint to the entire steel structure complete all as specified and directed. Note:-Rate quoted shall deemed to be include the cost of painting of steel structure,two coats of white wash on exposed concrete surfaces,ACSR conductor for jumpering, GI hard ware like nuts, bolts etc complete
7
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-
Cutting /trimming tree branches along the over HT/LT installations up to 3.0 mtr from electric line / equipment on both sides of the span and disposing of the cut tree-branches at places as complete all as specified and directed by Engr-in-charge. Note :
(i) Necessary permission shall be obtained from Engineer-in-charge by contractor one day prior to trimming in particuar area and shut down of concerned area shall be arranged by department after intimation by the Contractor.
(ii) The cutting/trimming of the trees surrounding the 4 pole or 2 pole structure shall be maintained for enitre period of contract and the payment shall be made once in entire Contract period only.
5
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-
M & L for Cutting the tarmac / hard standings and excavating in trenches across the road for laying cable including making good the excavated portion by means of PCC 1:3:6, type C1 matching with the surroundings complete all as specified and directed.
3
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Material & labour for fixing in repairs Stay assembly complete with accessories such as MS stay plate of size 300mmx300mmx6mm thick, stay rod 20mm dia, stay bow, nuts, bolts and check nuts of GI including GI stay strand of size 7/4 mm all as shown in electrical plate No. 1 of SSR Part-I of 2009 or as directed by Engr-in-charge.
Note: Earth work ( Excavation, Returning & refilling and removal), PCC, stay clamp and loop type insulators shall be measured and paid separately under relevant schedule items.
2
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M&L for Plain cement concrete (1:3:6) type C-2 (using 40 mm graded stone aggregate) as in foundation filling and mass concrete or in any indicated positions complete as specified and directed.
8.64
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M&L for detecting HT UG cable faults located in any stretch/ depth with sophisticated cable fault locator consisting of microprocessor based pre-locator system, HV surge generator of capacity upto 16 KV, fault pin point surge wave reciever, cable indentification instrument , cable tracer for exact location of under ground cable routescomplete all as specified and directed. Note: The rate quoted shall deemed to be include the cost of transportation of equipment from any location and charges for service engineer for identifying the fault including their boarding & lodging complete
8
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-
M/L for strip opening the metering cubicle of HT panel of rating 11 KV, 3 phase comprising of following repairs, inspecting, overhauling and servicing/ re-fixing of the spares etc complete all as specified and directed :-
28
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-
Dismantling the complete instrument chamber/ HV cable box/LV cable box .Decarbonising/ cleaning the complete HT 11 KV 3 phase independent bus bar, bus bar chamber of HT panel and inspecting the bus bar insulators complete.
-
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Checking, inspecting the Numeric/microprocessor/IDMT relays, multifunction meters/energymeters, ammeters and voltmeters for their serviceability and functionality etc complete.
-
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-
Checking complete electrical tripping circuit of HT panel including control wiring from secondary system rotary to tripping coil, auxiliary switch male and female housing cut out, etc. and wiring including replacement of damaged wire at places including operation on DC system, testing and commissioning complete all as directed.
-
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-
Inspection of CTs and PTs if any and replacing the defective CT/PTs including accuracy in checking of the CT wiring including identification to the base and connecting links to main switch complete all as directed by Engineer -in- Charge.
-
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-
Inspecting of indicating lamps, rotary switches/selector switches, toggle switches etc complete all as directed.
Note: (i) The rate quoted shall be deemed to include the cost of necessary T&P, minor spares like nuts, bolts, washers, gasket, insulation tape, lugs, compound etc. to put in to the HT metering cubicles /panels in serviceable condition, testing and commissioning all as specified and as directed by the Engineer-in-Charge.
(ii) Major spares like CTs, PTs, relays, ammeters, voltmeters, multifunction meters, energy meters, indicator lamps, control wiring, rotary/selector & toggle switches, calibration of relays etc shall be measured and paid separately under relevant items. However the rate quoted shall be deemed to include the cost of any other minor spares that require replacement.
-
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-
M&L for strip opening the common bus bar cubicle of each incomer/outgoing HT panel of rating 11 KV, 3 phase for repairs, inspecting, servicing, including decarbonising the bus bars, by removing peeled off insulation, fixing new HT insulation, tightening the loose nut bolts, replacing defective nut bolts, replacing portion of pitted bus-bar with insulation etc complete all as specified and directed.
12
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Disconnect and taking out the Numeric/ Microprocessor based relay/IDMT relay of any type of any Make from 11 KV HT panel, cleaning the contacts, calibrating the relay by conducting secondary injection tests, checking of current transformer, rectification of defects in control wiring for proper tripping of circuit breakers through CTs and relay and tripping coils, adjustment/setting to plug and time multiplier settings of the relay to achieve the descrimination in tripping, tune/synchronise upstream breaker relay settings, re-installation of relay, testing & commissioning etc complete all as specified and as directed.
Note: The Contractor shall arrange necessary testing kits, testing equipments, tools etc and shall also submit detailed test reports, panel wise, duly spiral bound. Rental rates for the testing/calibration kits & connected equipments shall deemed to be included in the quoted rate. Testing & tuning shall be carried out in the presence of representative of the GE upto satisfactory results.
28
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-
S&F in repairs Master Trip Relay suitable for 11 KV HT panel for protection system complete all as specified and directed.
Make: ABB/Siemens/Areva/ALSTOM/CG/Schneider/Easun
3
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S&F in repairs DC Supervision Relay suitable for 11 KV HT panel for protection system complete all as specified and directed.
Make: ABB/Siemens/Areva/ALSTOM/CG/Schneider/Easun
1
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-
S&F in repairs Auxiliary Relay suitable for 11 KV HT panel for protection system complete all as specified and directed.
Make: ABB/Siemens/Areva/ALSTOM/CG/Schneider/Easun
1
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-
Taking down HT switch gear (Vacuum circuit breaker ) of capacity 11 KV 250/350 MVA comprising of following repairs, overhauling, servicing and refixing the same after repairs/ overhauling:
28
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-
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 complete.
-
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Servicing/Inspecting/checking of automatic safety shutter operation for serviceability and replacement of spares complete, if required.
-
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Servicing/Inspecting/checking of circuit spout and bus bar spout connections for RYB phases and replacement of spares complete, if required
-
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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. complete
-
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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 complete
-
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Servicing/ Inspecting/ checking of secondary sockets/busbar earthing plugs/earthing sockets and replacement of spares complete, if required.
-
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Checking, setting and adjustment of lowering and raising operation of the breaker trolley complete
-
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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 complete
-
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The inspection of HT switch gear shall involve:-
(i) Inspection of truck & hoist assembly.
(ii) Inspection of tank assembly & barriers.
(iii) Inspection of assembly & components of solenoid assembly.
(iv) Inspection of assembly & components of dependent mechanism.
(v) Inspection of assembly & components of spring box mechanism.
(vi) Inspection of motor mechanism spring charge assembly (vii) Inspection of assembly of trip unit & related components
-
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Note:- (i) The rate quoted shall be deemed to include the cost of necessary T&P, nuts, bolts, washers, gasket, insulation tape, compound, painting of VCB panels with approved colour all as per exisitng etc.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 interrupture assly, busbar spout, busbar spout connections, circuit spout/circuit spout connections/buffer fixed contacts, moving contacts, tank assly/barriers, solenoid spares, dependent/spring mechainsm/ motor mechanism, trip unit etc will be measured and paid separately under relevant items. However, the rate quoted shall deemed to be include the cost of any other minor spares require replacement.
(iii) Number of jobs for repairs, overhauling, servicing of RMU of 3/4 way shall be measured based on Number of VCBs present in RMU.
-
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Supply only the following spares suitable for 250 MVA to 350 MVA HT switch gear VCBs and 11 KV HT panel of make: Kirloskar/ABB/Alstom/CG to carryout repair works under relevant items
-
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Supply only 1.5 sqmm flexible FRLSH PVC insulated stranded copper conductor cable, unshethed, 1100 V grade for control wiring complete all as specified and directed.
50
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Supply only 2.5 sqmm flexible PVC stranded copper conductor cable, unshethed, 1100 V grade for control wiring. complete all as specified and directed.
50
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LED Indication Lamps
12
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LED type push button actuators
1
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3 phase selector switch
2
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Shunt trip coil 24 V DC/30 V DC/110 V DC
18
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CTs epoxy cast wound primary CTs with minimum primary current 50 to 400 A, single/ double ratio, double core (Protection core-5P10 & Metering core- Class 0.5/1.0), 18/21/25 KA for 1 sec of 15 VA Burden.
9
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-
Breaker control switch
6
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Breaker bushing contact
6
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Vacuum interrupter assembly suitable for Andrew yule / Kirloskar / Schnieder / CG / ALSTOM HT VCBs
9
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Busbar & Circuit Spout
6
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Control circuit fuses 2 A to 63 A
12
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HRC fuse (PT HT side)
6
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PT plug contact
9
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Spring charging motor with gear assembly. Make: Bosch or suitable for HT VCB OEM make
2
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-
Ammeter 240 deg 144 sq mm. Make: AE/ MECO/ Schneider /L&T/HPL (SOCOMEC).
3
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Voltmeter 240 deg 144 sq mm . Make: AE/ MECO/ Schneider/L&T/HPL (SOCOMEC).
3
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Multifunction meter, Digital type (Displaying A, V, PF, Hz, KVA, KW, KVAR, KWh, KVARh etc.) Class 0.5 with RS485 port for communication in Modbus protocol.
Make : L&T, Conzerve, HPL (SOCOMEC), CG.
3
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-
Cast Resin Three phase Potential Transformer 11KV/√3/110V/√3,100VA , Cl 1.0/0.5 with desired capacity PT Fuses & having burden 100 VA
2
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Rachet handwheel with gear assembly
5
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Operating handle of RMU/HT VCB panel
6
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CTs cast resin type with minimum primary current 50 to 100 A, single ratio, single core (Protection core-5P10- Class 0.5/1.0), 18/21/25 KA for 1 sec of 2.5 VA Burden.
3
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O/C + S/C + Earth faultRelay suitable for 11 KV RMU/ HT VCB panel for protection system . Make: ABB/ Siemens/Areva/ALSTOM/CG/Schneider/Easun
2
-
-
Termination Insulation boots of RMU
6
-
-
Voltage Presence Indicator (VPI)
1
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-
M&L for replacement of old defective HT energy meter with AC Three Phase HT/CT Multifunction DLMS Compliance of Accuracy Class 0.5, 3 X 63.5V, 50Hz with Optical & RS232 Port, Backlit LCD Display, (Measures kWh, kVAh, KVARh, V, I, kW, P.F, 6 months history of Energy, Load survey, RMD, TOD, Tamper detection & logging, Power On/Off Events, instantaneous parameters of Rating -/5A with display in absence of power. ( Default PT ratio*: 11kV/110V & CTR: 5A) including modem/ SIM & 1 year data package suitable for M/s Crompton Greaves make / Kirloskar Make HT VCB panel as per site conditions including necessary copper control wiring complete complete all as specified and directed. Make: L&T/HPL/BHEL
2
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-
Repair & Maintenance of 30 V DC charger, inspecting the parts like full wave half controlled float cum boost charger, analog / digital AC voltmeter, AC ammeter, DC voltmeter, DC ammeter, LED indication lamps, AC input circuit breaker, semiconductor fuses for charger bridge, DC circuit breaker and blocking diode, float voltage adjust potentiometer, automatic voltage regulatior functionality and setting the voltage to 30 V, filter circuit, auto phase reversal system and replacing defective spares including painting complete all as specified and as directed.
1
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Supply, fixing in repairs 2V, 100 AH VRLA lead acid cells with 2.3 V per cell in float charge condiiton, 2.75V per cell in Boost charge condiiton, 1.75V permissible cell voltage at the end of discharge complete with discharge duration of 10 hours all as per existing suitable of DC auxiliary power source all as standard practice and as specified including dismantling old battery complete all as specified and directed.
20
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Repair & Maintenance of 110 V DC charger, inspecting the parts like full wave half controlled float cum boost charger, analog / digital AC voltmeter, AC ammeter, DC voltmeter, DC ammeter, LED indication lamps, AC input circuit breaker, semiconductor fuses for charger bridge, DC circuit breaker and blocking diode, float voltage adjust potentiometer, automatic voltage regulatior functionality and setting the voltage to 110 V, filter circuit, auto phase reversal system and replacing defective spares including painting complete all as specified and as directed.
1
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-
Supply, installation, testing and commissioning as in repair DC power pack with input voltage 230 V AC, output voltage 24/30/48/110/220 V +/- 2% DC, IP 20, continuous rating load 100 VA, impluse load 450 VA for 240 msec abd backup 15-20 mins (maximum 10 trip attempts), over voltage protection, LED indication for input high, charger on, battery low, over load, battery mode etc complete all as specified and as directed.
2
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-
S&F Plates (plain or chequered), channels, angle irons, square cut or notched (ordinary and counter sunk) forming holes, without any attachment all as directed conforming to Fe 410-W (Gde E-250) quality-A including applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer including dismantling old rusted cable/duct covers.complete all as specified and directed.
180
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-
Dismantling old defective/peeled of Insulating Mat and M/L for Elastomer Insulating Mats for Electrical Purposes Class B/voltage grade upto 11 KV (AC) as per IS : 15652:2006 with ISI mark of thickness 2.50 mm + 10% of approx width not less than1 mtr along with suitable adhesive /chemibound resin waterproofing compound and sealing material all as per manufacturers' recommendations. Make: Jaipuria/Electromat or equivalent approved by GE
10
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-
Taking down the damaged HT aerial barrel fuse from the 4 pole / 2 pole structure, supply and fix 11 KV aerial fuse of rated current carrying capacity 20 Amps after cleaning the contacts of fuse link with CRC solution complete all as specified and as directed.
Note:
(i) Rate quoted shall deemed to be include the cost of the replacement of all the 3 phases and shall be considered as one job.
(ii) Each Job will be measured and paid when ever replaced through Job Card.
15
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-
Taking down the damaged HT aerial barrel fuse from the 4 pole / 2 pole structure, supply and fix 11 KV aerial fuse of rated current carrying capacity 40 Amps after cleaning the contacts of fuse link with CRC solution complete all as specified and as directed.
Note:
(i) Rate quoted shall deemed to be include the cost of the replacement of all the 3 phases and shall be considered as one job.
(ii) Each Job will be measured and paid when ever replaced through Job Card.
10
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-
Taking down the damaged HT aerial barrel fuse from the 4 pole / 2 pole structure, supply and fix 11 KV aerial fuse of rated current carrying capacity 60 Amps after cleaning the contacts of fuse link with CRC solution complete all as specified and as directed.
Note:
(i) Rate quoted shall deemed to be include the cost of the replacement of all the 3 phases and shall be considered as one job.
(ii) Each Job will be measured and paid when ever replaced through Job Card.
10
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-
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