Tamil Nadu Transmission Corporation Limited Tender

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Tamil Nadu Transmission Corporation Limited - TANTRANSCO Tender

Electrical and Electronics
Eprocure
Opening Date13 Sep 2022
Closing Date28 Sep 2022
Tender AmountRefer Documents 
Notes
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Costs

Description

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BOQ Items

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Labour charges for pulling of power transformer from plinth to safer place at Chetpet 110 kV SS (30.5MTx30mtr=915

915

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Labour charges for Raising and Lowering of power transformer using suitable jacks as many times required with all accessories & oil for loading the transformer from plinth to safer place at Chepet 110 kV SS

30.5

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Hire charges for crane for erection of healthy 16 MVA, Apex make Power Transformer accesories

1

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Labour charges for erection of healthy 16 MVA, Apex make Power Transformer

1

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Draining from old Transformer oil using filter machine/Oil pump/Hose etc., Per Liter excess Qty above 800 lts.

1050

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Oil filling per Liter excess Qty more than 800 Liters.

4200

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Labour charges for hot oil circulation in main tank and OLTC under Hot oil circulation, vaccum drying wherever applicable and circulation of oil till satisfactory results are obtained before commissioning.

13050

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Fixed charges for provision of Transformer oil filter machine of appropriate capacity with oil test kits IR Value tester, required length of Power supply cables (50 Mtr Approx) and other tools & plants as required at site. (Minimum of 4.5/6/8/10KL machines)

1

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Labour charges for laying of control cables in the trench upto 8 core including bunching etc,. for Power Transformer

0.54

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Labour charges for laying of control cables in the trench above 8 core including bunching etc,. for Power Transformer

0.62

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Supplying and glanding including drilling suitable holes wherever necessary, peeling of insulation sleeves and cutting off armours. 32 mm

6

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Supplying and glanding including drilling suitable holes wherever necessary, peeling of insulation sleeves and cutting off armours. 28 mm

6

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Supplying and glanding including drilling suitable holes wherever necessary, peeling of insulation sleeves and cutting off armours. 25 mm

12

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Supplying and glanding including drilling suitable holes wherever necessary, peeling of insulation sleeves and cutting off armours. 19 mm

24

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Supply & Termination of cable core end including the cost cable socket lug, ferrules,strap etc., as per cable schedule Each Terminal.

360

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Labour charges for internal wiring of Power Transformer including replacement of existing old cables or laying of new cables, bunching, routing,etc, for connecting Bucholtz relay, PRV, OSR, OTI,WTI,MOG, oil and winding temperator indicaters and Bushing CTs.(Percentage amount to be adopted for respective number of partial cables wiring where ever required)

1

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Labour charges for making panel cutout and mounting of the Differential relay or any other auxiliary relays, annunciator facia etc in RTCC panel using panel cutter

1

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Labour charges for earthing of Power Transformer tank and neutral at 2 points, Marshalling Box, D.M.Box, RTCC Panel, Etc,. Using 50X8 mm M.S.Flat( Flat to be supplied by TANTRANSCO)

1

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Labour charges for Earthing of cooler fan of Power Transformers upto 16 MVA capacity using bare copper wires including cost of copper wires(min 10/12 SWG)

1

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Labour charges for preliminary cleaning, covering aluminium painting and enamel color painting using air compressor and painting spray gun, brush,etc,. (preferrably Asian, Nerolac, Berger make paints)

1

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Labour charges for overhauling and rewinding of fans including replacement of bearings,shafts washers etc.,

3

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Labour charges for skilled man power assistance during bushing CT testing, Precommissioning testing of Power Transformer.

3

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Additional charges for attending leakages in Radiators and other places by welding bracing etc

3

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Labour charges for replacement of defective componants like ORV, Bucholtz relay, Oil surge relay, Oil/Winding temperatue indicator, fans/pumps etc

4

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Supply and provision of various sizes of GI/Yellow bolts with washers, and foundation bolts for cooler bank A frames, cooling pumps/ pie supports, Marshalling box, cooler control cubicle, cable box covers and whereever necessary

20

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GST for bidders within TamilNadu

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SGST for Labour Charge

1

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CGST for Labour Charge

1

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GST for bidders outside TamilNadu (IGST)

1

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