labour charges of erection of 1no. 25 mva, 110/33-22kv, apex make, sl.no.t-1000/06, yom-1997,110/33-22kv towards enhancement of 2x16 mva to 2x25 mva power transformer with associate equipments at 110 kv pallikaranaiss in chennai edc / south-ii.- 1 labour charges for erection of 25mva, 110/11 kv class powertransformer with turrets all hv/lv bushings, cable termination box,cooler bank a frame, fans,pumps,oil pipelines,marshalling box,cooler control cubical,rtcc panel and all accessories which ever is necessary for commissioning of the transformer. 2 labour charges for earthing of power transformer tank , neutral at 2 points, marshalling box, dm box,rtcc panel etc using 50 x 8 mm ms flat including cost of supply. (approximately 150kg). 3 labour charges for filling of transformer oil into power transformer through filter machine. 4 labour charges for transformer oil filtration in main tank and oltc ( hot oil circulation) & filteration upto satisfactory value is achieved. 5 labour charges for gland workof control cables including the cost of glands. 19 mm 6 labour charges for gland workof control cables including the cost of glands. 15/16 mm 7 labour charges for gland workof control cables including the cost of glands. 25mm 8 labour charges for gland workof control cables including the cost of glands. 28mm 9 labour charges for gland workof control cables including the cost of glands. 32 mm 10 supply and labour charges for termination of cable core end including the cost of cable socket, lugs, ferruls, strap etc., as per cable schedule in power transformer, marshalling box, dm box, lv panel, rtcc panel, oltc and where ever required. 11 labour charges for providing skilled workmen during transformer busing ct testing, pre commissioning testing and commissioning of the auto transformer. 12 labour for excavtion and refilling of trench of average width of 0.3 m and average depth of 0.8 m for earthmat and 0.4 m for laying of cable below fixedyard level and ay size as required by field engineer. 13 labour charges for making panel cutout and mounting of differential relayor any other auxiliary relays annunciator, facial type etc in rtcc panel or other panels using panel cutter. 14 labour charges for internal wiring of auto/power transformer including replacement of existing old cables, or laying new cables for connecting marshalling box,wti,oti,mog, oil and winding temperature. 15 labour and material charges for civil works (a frame and cooler fan and radiatorframe structure foundation and cooler pipe linesupport foundation ) 16 supply, transport, loading and unloading of ms plate (65 x 10mm thick) for earthmat ms flat (50 x8 mmthick)for earth raiser and ms rod to site including the cost of all materials, transport, labour,lead, lift etc., complete as directed by the dept.engineer at site. 17 labour charges machineries, consumables for erection of earth mat and earth raiser, as directed by the field engineer at site. 18 supply and providing of mcb contractor 110v,9a 19 erection of lv side structure for providing 33kv cable 20 hire charges for transportation of75mm bus bar and empty oil drum (upto 100kms) ( from tnscb perumbakkam 110kv ss). 21 gst for bidders within tamilnadu 22 sgst 23 cgst 24 gst for bidders outside tamilnadu (igst)