Defective replacement of transformer at S P Koil SS

Labour charges for Dismantling of Ext busbars of 50MVA Transforemr at 230KV SP Koil SS.

Labour charges for dismantling of Ext droppers and jumpers of 50MVA Transforemr at 230KV SP Koil SS

Labour charges for Dismantling of 50 MVA,230/110/11 KV Auto transformer and provision of suitable dummy plates for all openings such as bushing fixures top of turrets oil pipe lines, Bucholtz pipe lines, cooler bank pipe lines and wherever necesssary including crane charges at 230KV S P Koil SS .and II) 100MVA At Kadapperi SS(1+1)=2

Labour charges of loading of Empty oil barrels at i) GCC Ambatthur store/near by SS for 50MVA Oil draining at S P Koil SS-50nos +ii)Tantransco Ambattur store or nearby SS (for Oil Draining Work at Kadapperi SS )-235Nos

Labour charges of Unloading of Empty oil barrels i) GCC Ambatthur store/near by SS for 50MVA Oil draining at S P Koil SS-50nos +ii)Tantransco Ambattur store or nearby SS (for Oil Draining Work at Kadapperi SS )-235Nos

Labour charges for Oil Draining from old Transformer using filter machine/Oil pump/Hose Etc., per liter excess Qty above 800 liters (At spkoil SS-9200+at Kadapperi SS-46200)=55400.

Provision of vacuum pulling machine for Auto transformer with labour charges

Labour charges for filling N2 Gas (preferably A Grade)filling in Auto Tr main tank 100 MVA as required including supply and fixing of Nitrojen cylinder and pressure guage, upto Satisfactory value of IR Improvement as directed by field engineer

Labour charges for Loading the transfomer including Raising and Lowering of Auto transformer using suitable jacks as many times as required with or without all accessories & oil i) for pulling at SP Koil 230KV SS-93MT & ii)for loading the transformer from safer place toTruck in Kadapperi 230 KV SS-158.8MT. iii) Unloading of the Transformers from truck to plinth at SP Koil SS-158.8

Labour rate for pulling the transformer from i) from plinth to saferplace of sick 50MVA at SP Koil SS-4650+ safer place to truck of 100MVA at Kadapperi SS-2140+ truck to plinth of 100MVA at S P koil SS-2140=8930

Supply,Fabrication and provision of Light section materials including 125x65 MS Channels, /100x50 MS Channels, various sizes of angles and class 'B' pipes for cooler bank supports panel bottom frames, and fan frames and dummy plates of appropriate size whereever required as per the Field Engineer's instruction. i) At 50MVA Sick Unit Dis at SP Koil SS-100Kg +ii) for 100 MVA dismantliong at Kadapperi SS-200 kg iii) for 100MVA Erection at SP koil-200Kg

Labour charges for erection of 100MVA,230 kV class Auto Transformer with turrets all HV/LV bushings, cooler bank, Fans, oil pipe lines, Mashalling box, RTCC Panel and all accessories which ever is necessary for succesesful commissioning of the Transformer Including Crane charges.

Provision of hot air blowing (Dry Air) for Auto transformer including labour charges with Dew point measuring Kit

Provision of vacuum pulling machine for Auto transformer with labour charges

Provision of 40 kL spare tank for Auto Transformer Including Transportation and unloading/loading crane charges.

Oil filling per Liter excess Qty more than 800Liters.

Hot Oil circulation & filteration upto satisfactory value is achieved including provision of suitable filtering machine of appropriate capacity with 6/10KL Filter machine upto 50MVA and 10/12KL for above 50MVA with minimum 50Mtrs supply cable.

Labour charges for laying of control cables in trench/duct including bunching, alu tag identification upto 8core.

Labour charges for laying of control cables in trench/duct including bunching, alu tag identification above 8core.

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

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

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

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

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

Labour charges for Earthing of AutoTransformer tank and Neutral at 2 Points, Marshalling box,DM Box,Cable box,RTCC Panel,etc., including supply of 75x12mm MS Flat by the contractor

Labour charges for excavation and refilling

Labour charges for earthing of cooler fans and oil pumps of Power Transformers from 50 MVA upto 500MVA capacity using bare copper wires including cost of copper wires (Mimimum 10/12 SWG)

Labour charge for gasket cutting for 230 kV class transformers

Checking the healthiness of the wiring in DM box,MB & RTCC panel and Re-wiring if required

Supply and erection of GL ladder type cable tray including jointing of pad and bolt & nut GL ladder type cable tray (2.5 m L x 0.45 m W x 2 mm Thick) for internal wiiring works

Labour charges for Cleaning of Old/Released 230KV class Transformer including supply of washing & cleaning Materials

Labour charges for Painting including supply of branded Aluminium paint

Labour charges for skilled man power Assistance during bushing CT testing, Pre commissioning testing of PowerTransformers Minimum 3 Labours for Transformers upto 230 kV class.

Supply and Erection of 110 V DC contactors

Supply and Erection of 400V/230V AC contactors

Supply and Erection of MCBs 63A,32A (4-pole)

Supply and Erection of MCBs 16A (3-pole)

Supply and Erection of Timer

Supply and Erection of LED Bulb 5W

Tap changer raise/Lower Bottom

Labour charges for overhauling of fans incuding replacement of bearings , shafts , washers etc.,

Labour charges for overhauling of oil pumps incuding replacement of bearings , shafts , washers etc.,

Supply and Erection of Breather with indication type silicagel(blue) 5Kg container with oil cup flange mounting type.

Supply and Erection of Breather with indication type silicagel(blue) 1Kg container with oil cup flange mounting type

Supply and provision of various sizes of GI /Yellow bolts and Nuts , with washers and foundation bolts for cooler bank A frames Cooling pumps/pipes supports, Marshalling box cooler control cubicles cable box covers and where ever necessary as per direction of the Field Engineer. Per KG ( M8,M9,M10,M12,M16, M 19, M 25)

Writing/Stickering of the Auto Transformer, Marshalling box,DM box, RTCC panel, Cooler control cabinet, Fan and Pump etc., including material with dark Blue enamel paint. Letter size should be minimum height 80 mm and thickness 10 mm.

Supply and Erection of 900x900x6MM Gasket

Supply and Erection of 900x900x8MM Gasket

Supply and Erection of 900x900x10MM Gasket

Marshalling box door glass beading

Marshalling box door beading

Additional Charges for attending leakages in radiators and other places by welding bracing etc.and checking of healthiness after rectification as directed by field Engineer.

Hire Charges for crane for additional works in 1) dismantling, reassembly of accessories due to any defects/Oil leakages and Bushing tan delta test before erection &others - 8 2) Loading of concrete block from 230KV oragadam SS and Unloading at SP koil SS for positioning of Released 50MVA transformer -6

Labour charges for Providing busbars with bend 75 mm IPS

Labour charges for Providing jumper/droppers single zebra/Moose

Labour charges of loading of Spillage oil, Topup oil and Control cables from Tantransco store to SP Koil SS. (15 barrels =2.8MT, control cable upto 8 core 0.84x1600Kg/km = 1.3MT, control cable above 8 core 1.17x2750Kg/km = 3.2MT)

Labour charges of Unloading of Spillage oil, Topup oil and Control cables from Tantransco store to SP Koil SS. (15 barrels =2.8MT, control cable upto 8 core 0.84x1600/km = 1.3MT, control cable above 8 core 1.17x2750/km = 3.2MT)

Transportation of Empty oil drums 1) 1 trip from GCC-1/Tantransco store/Ambattur or near by available SS(for Oil Draining at SP Koil SS-50MVA 2) from GCC Store or nearby Sub station to Kadapperi SS ( distance is less than 100KM) (60 Drums/trip and 2 trips /day)

Transportation of 1) New oil drums for spillage + topup oil and control cables from Ambatthur Store to 230KV S P Koil SS ( distance is less than 100KM) 2) 1 trip for Transportation of 3 numbers of Solid Concrete block from Kadapperi SS to 230KV S P Koil SS and

Category H: Minimum Transport Charge to be adopted for transformers above 100MT and 100 KM range outside chennai city limit plus 6 RS for every additional KM including all accessories.(From Kadapperi 230KV SS to SPKoil 230KV SS)

Transportation of HV ,IV ,LV bushings and transformer accessories from Kadapperi 230KV SS to S P koil SS [ Bushings -1 trip & Accessories 3 trips & Oil (40 Drums/trip and 2 trips /day) = 3 trips (Total-235drums)] By Lorry

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