Tamil Nadu Transmission Corporation Limited Tender
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Tamil Nadu Transmission Corporation Limited - TANTRANSCO Tender
Electrical and Electronics
Electrical Works
Eprocure
Opening Date13 Jan 2023
Closing Date31 Jan 2023
Tender AmountRefer Documents
Costs
EMD
₹ 31,500Document Cost
Refer DocumentsTender Fee
Refer Documents
Description
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Contact
Tender Id
2023_EB_281574_1Bid Award Id
ViewTender No
SE/GCC/MDU/ELEC SPEC NO-36/2022-23Tender Authority
Tamil Nadu Transmission Corporation Limited ViewPurchaser Address
-Website
http://tntenders.gov.in
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Documents
Labour charges for dismantling, loading and transporting of 3 x 25MVA 110KV class PR TR from various SS and unloading erection,HOC, cable laying, wiring, earthing and commissioning at various SS in Tirunelveli region for the period of one year contract.
Labour charges for dismantling, loading and transporting of 3 x 25MVA 110KV class PR TR from various SS and unloading erection,HOC, cable laying, wiring, earthing and commissioning at various SS in Tirunelveli region for one year contract.
BOQ Items
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Pull and placing of the allotted new Power Transformer at the existing substation for loading if required (55MT x 3 Transformers x 60 Mtrs)
9900
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Labour charges for loading Power transformer with complete accessories including released oil, initial lead of 5 Metres as directed by the Field Engineer (3 Transformers x 55 MT)
165
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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 (upto 650Km / Unit) From 51MT to 100MT up to 100 Km
3
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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 (400 kms x 55 MT x 3 Transformers)
66000
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Labour charges for Unloading Power transformer with complete accessories including released oil, initial lead of 5 Metres as directed by the Field Engineer (3 Transformers x 55 MT)
165
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Labour charges for loading/unloading of Power Transformer oil barrels with new/released oil from store to site or vice versa as directed by the Field Engineer. (15 barrels x 3 Transformers)
45
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Labour charges for erection of Power 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)
3
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Labour charges for draining of oil from main tank (To Barrel) as directed by the Field Engineer.
9000
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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.
9000
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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
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)
1
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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. First 5000 Ltrs. x 3 Transformers
15000
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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. above 5000 Ltrs. (11500 lits X 3 Transformers)
34500
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Labour for the erection of required control cable in duct from power transformer to control room and in the transformer body as directed by the Field Engineer.(Labour for erection of cable in duct/trench/clamping on structures - neat laying in the ducts with identification Tags,Plastic token in all duct corners for easy identification of cables. including fabrication of clamps and fixing at uniform intervals as directed by the field engineer) (Upto 8 core cable)
1.2
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Labour for the erection of required control cable in duct from power transformer to control room and in the transformer body as directed by the Field Engineer.(Labour for erection of cable in duct/trench/clamping on structures - neat laying in the ducts with identification Tags,Plastic token in all duct corners for easy identification of cables. including fabrication of clamps and fixing at uniform intervals as directed by the field engineer) (above 8 core cable)
1.2
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Supply and galnding of all the control cable in transformer to RTCC,DM box, M.Box, etc including removing of insulation of the control cable and providing suitable holes in the gland plates as directed by the field engineer 32mm cable gland
24
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Supply and galnding of all the control cable in transformer to RTCC,DM box, M.Box, etc including removing of insulation of the control cable and providing suitable holes in the gland plates as directed by the field engineer 28mm cable gland
30
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Supply and galnding of all the control cable in transformer to RTCC,DM box, M.Box, etc including removing of insulation of the control cable and providing suitable holes in the gland plates as directed by the field engineer 25mm cable gland
36
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Supply and galnding of all the control cable in transformer to RTCC,DM box, M.Box, etc including removing of insulation of the control cable and providing suitable holes in the gland plates as directed by the field engineer 19mm cable gland
18
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Termination of cable core end dressed neatly including the cost of cable socket (lug) ferrules, sleeves, tags, ties, stropes, etc., as directed by the field engineer.(No.of core ends in unit of 1000) (200 Nos per Transformer)
0.6
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Supply of various steel materials and Labour machinery consumables for the double earthing of neutral , main tank and other panel etc.as directed by the field engineer..
0.6
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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.
3
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Supply and erection of silica gel breather flange type including the cost of 4-6 mm blue mesh silica gel.if Necessary. 5 Kg
2
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Supply and Erection of HV side Power connectors including the cost of bolts, Nuts and Electrical connections as per drawing directed by the field engineer. 75mm
3
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Labour charges for Aluminium Bus bar erection 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. 75 mm
3
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Labour for erection of LV Jumper including modification of clamps providing holes wherever necessary as directed by the field engineer. 3 Sets per Transformer
9
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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.
2
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Supply & erection of 1 no. Oil Temperature indicator
1
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Supply & erection of 1 no. Winding temperature indicator with four control switch
1
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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 healthyness and refixing the repaired motors in its place (ie) on radiators (if necessary) as directed by the Field Engineer.
6
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Labour charges for rewinding of cooling pump motors including cost of bearings, terminal blocks, terminal cover including testing of pump motors for healthyness and re-erection the repaired motors in its place ie) on headers (if necessary) as directed by the Field Engineer.
2
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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 frameetc, as per the requirement during erection.If Necessary.
45
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Supply, transporting and erection of Winding CTS (105/1.75A,280-840/1.75A, 10VA class-5) of required Ratio.
1
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Supply ,transporting and erection of PRV with operating pressure 0.42,0.49,0.56 Kg/cm2,operating tolerance+ 0.1Kg/cm2, port opening Nominal 70 mm.
1
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Supply ,transporting and erection of Surge relay as per IS 3637
1
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Supply ,transporting and erection of 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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Supply ,transporting and erection of Buchholz relay as per IS 3637
2
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Supply ,transporting and erection of Butterfly valve as per required size
3
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Supply ,transporting and erection of Power Transformer HV CT'S as per required ratio(Bushing CT's )
2
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Supply ,transporting and erection of Power Transformer LV CT's as per required ratio(Bushing CT's )
2
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Charges for Transport insurrance for power Transformer from the released SS Site to the Allotted SS Site with nationalised insurrance company( Billed as per actual)
3
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SGST to be quoted in Percentage (value alone)Ex. 9%, it should be entered as 9 only
1
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CGST to be quoted in Percentage (value alone)Ex. 9%, it should be entered as 9 only
1
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Inter-state GST @18% for other than Tamil Nadu supplier. If the contractor is within Tamil Nadu may be quoted as "0" only
1
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