Tamil Nadu Transmission Corporation Limited Tender
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Tamil Nadu Transmission Corporation Limited - TANTRANSCO Tender
Electrical and Electronics
Electrical Works
Eprocure
Opening Date5 May 2023
Closing Date30 May 2023
Tender Amount₹ 44,76,200
Costs
EMD
₹ 44,800Document Cost
Refer DocumentsTender Fee
Refer Documents
Summary
Running Contract For Dismantling, Pulling, Loading,
Description
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Contact
Tender Id
2023_EB_310735_1Bid Award Id
ViewTender No
GCC 006 MM 005 2023-24Tender Authority
Tamil Nadu Transmission Corporation Limited ViewPurchaser Address
-Website
http://tntenders.gov.in
GEM & Bid Advisory Services
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BOQ Items
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Labour charges for Pulling of Power/Auto transformer from plinth to safer side or vice versa as directed by the Field Engineer.
11750
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Labour charges for loading of Power /auto transformer with complete accessories including released oil, initial lead of 5 Metres as directed by the Field Engineer.
235
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Transporting of Power/Auto Transformer, main tank with core level oil/ N2 gas , wherever necessary including all accessories and released oil by Low bed trailer and lorry as directed by Field Engineer.
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From 31 Ton to 50 Ton, Upto 100 Kms
5
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Beyond 100 Kms
25850
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Labour charges for unloading of Power /auto transformer with complete accessories including released oil, initial lead of 5 Metres as directed by the Field Engineer.
235
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Labour charges for erection of Power/Auto Transformer with out using Board crane wherever applicable including gasket changing for H.V. & L.V. Bushings ,Radiator valve, Conservator Valve, equalizer Pipe Valve, Bucholz Valve, etc. as directed by Field Engineer (Gasket to be supplied by board)
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10 MVA Power Transformer
3
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16 MVA Power Transformer
2
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Labour charges for Hot oil Circulation of oil of Transformer and OLTC under vacuum drying when ever applicable/ necessary to the required level and circulation of oil till satisfactory results are obtained before commissioning as directed by Field Engineer. The fillter will be provided by contractor.
-
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Charges for Hot Oil Circulation for New/Released used oil
64000
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Oil Machine Rent, Maintenance, Transportation (To & Fro), Toll Charges and Including all Consumables
5
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Labour for the erection of required control cable ducts from power transformer to control room and in the transformer body as directed by the Field Engineer.
-
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Upto 8 core cable
1.32
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Above 8 core cable
1.54
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Supply and glanding of all the control cable in transformer to RTCC, DM.Box, MBox, etc including removing of insulation of the control cable and providing suitable holes in the gland plate as directed by the field engineer.
-
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32 mm
25
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28 mm
40
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25 mm
50
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19 mm
75
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Supply and Termination of cable core end dressed neatly including the cost of cable sockets , ferrules, sleeves, tags, ties,stropes etc. as per drawing directed by the field engineer. (No. of core ends in unit of 1000).
1.35
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Supply of various steel materials confirming to ISS 2062 - Gr A including ,frieght,handling etc. at site for earthing with labour for fabrication and erection for earthing including labour, machinery consumables for the double earthing of neutral, main tank and other panel etc.as directed by the field engineer.
1
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Labour charges for one finish coating of aluminium painting works with spray gun for transformer complete including T&P etc. and painting of valves, bushings with red, yellow, blue and black paint including cost of paint of reputed make company viz Asian, Berger etc., and Consumables as directed by the field engineer.
-
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10 MVA to 25 MVA Power Transformer
5
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Labour charges for Dismantling of busbar and Jumper connection of Power/Auto Transformer as directed by the Field Engineer.
-
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75 MM (1 length)
15
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Labour Charges for loading /unloading of power transformer oil barrel with new/ released oil from store to site or vice versa as directed by the Field Engineer.
124
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Labour Charges for loading /unloading of power transformer empty oil barrel from store to site or vice versa as directed by the Field Engineer.
124
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Labour charges for draining of oil from main tank as directed by the Field Engineer.
52000
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Labour charges for Intial filling of oil under vacuum from spare tank / barrel to main tank as directed by the Field Engineer.
52000
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Labour for dismantling of Top Cover with gaskets including OLTC cover and Replacement of Top cover gaskets, OLTC gaskets, Radiator, Butterfly valve inner Gaskets and all other gaskets, which are not normally covered under dismantling and re-erection, gaskets changing and refitting of top cover and OLTC cover plate & all other dismantled accessories and complete tightening works as directed by the Field Engineer. All the required Gaskets of RC 70C grade and governed by IS 4253 to be supplied by Contractor.
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10 MVA Power Transformer
2
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16 MVA Power Transformer
2
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Labour Charges for Overhauling of Power/Auto Transformer OLTC mechanism including cleaning and replacing of defective spares and gaskets etc. as directed by the Field Engineer.(Gasket & Spares will be supplied by TANTRANSCO).
-
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10 MVA to 25 MVA (upto 110 KV class) Double unit
4
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Supply and erection of silica gel breather flange type including the cost of 4-6 mm blue mesh silica gel.
-
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1Kg
5
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3Kg
6
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5Kg
2
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Supply and Erection of HV& LV side Power connectors including the cost of bolts, Nuts and Electrical connections as per drawing directed by the field engineer.
-
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HV side Power connector 6No's or (2 set)
-
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ii) 75 mm
6
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LV side Power connector 6No's or (2 set)
-
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iii) M40 for Single Zebra (3x4242)
6
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Labour charges for Erection of Aluminium Bus bar including suitable modification of switch end clamps and Transformer free end clamps, providing suitable bend and holes wherever necessary as directed by the Field Engineer.
-
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75 mm BusBar with bend
15
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Labour for erection of LV Jumper including modification of clamps providing holes wherever necessary as directed by the field engineer.
15
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Supply and erection of Neutral omega copper with copper M-42 Nut & washer of suitable length and diameter as per drawing and as directed by the field engineer.
-
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Up to 16 MVA
5
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Supply & erection of 1 no. Oil Temperature indicator
5
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Supply & erection of 1 no. Winding temperature indicator with four control switch
5
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Labour charges for Applying vacuum in the transformer including vaccum kit etc. at SS and filling of Nitrogen upto required pressure for Transporting Purpose as directed by the Field Engineer.(N2 gas to be supplied by contractor).
10
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Labour charges for rewinding of cooling fan motors including cost of bearings, terminal blocks, terminal cover including testing of fan motors for healthiness and refixing the required motors in its place(ie.) on radiators (if necessary) as directed by the field engineer.
-
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Upto 25 MVA
6
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Supply and erection of various sizes of GI bolts & nuts and washers of required sizes to be used for erection of Turret, Radiator, wheel bolts, conservator, Foundation bolts for a frame etc. as per the requirement during erection.
100
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Supply ,transporting and erection of Power Transformer accessories
-
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PRV with operating pressure 0.42,0.49,0.56 Kg/cm2,operating tolerance+ 0.1Kg/cm2, port opening Nominal 70 mm.
2
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Surge relay as per IS 3637
2
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Cooler fan 0.25 to 1 Hp,440 V ,50 Hz
1
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Magetic Oil Gauage dial with minimum,maximum and normal (at 30C) marking and pointer and low oil level contact of 0.5 Amps , 110/30 V DC rating.
1
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Buchholz relay as per IS 3637
2
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Butterfly valve as per required size
5
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Ladder
5
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Labour charges for Dismantling of RTCC, Cooler control panels including consumables of Power/Auto Transformer including disconnection of necessary wiring as directed by the Field Engineer.
-
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Panel and wiring dismantling
5
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GST (Mention percentage only)
1
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without GST
-
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with GST
-
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