Meelavittan Civil and Electrical works

A.1 Earth work excavation in stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small size boulders and hard gravel soil and depositing on bank wih initial lead of 10m and liftt of 2m etc. complete. (HGS)

Earth work excavation in stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small size boulders and hard gravel soil and depositing on bank wih initial lead of 10m and liftt of 2m etc. complete. (SDR)

Earth work excavation in stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small size boulders and hard gravel soil and depositing on bank wih initial lead of 10m and liftt of 2m etc. complete. (MR & DMR)

Providing and laying PCC in 1:4:8, using 40mm HBG metal for foundation including cos of materials, labour, lead, lift, curing etc., complete.

RCC 1:1.5:3, M20 with Ready Mixed Concrete using 12 to20mm down graded HBG metal for raft foundation without form work including cost of maerials, labour, lead, lift, curing etc., complete but excluding cost of reiforcement.

PCC 1:2:4 using 12 to 20mm down graded HBG metal for foundation including cost of materials, labour, lead, lift, form work, curing etc., complete.

RCC 1:1.5:3, M20 with Ready Mixed Concrete using 12 to20mm down graded HBG metal for foundation pedestal with form work including cost of maerials, labour, lead, lift, etc., complete but excluding cost of reiforcement

Assembling of template an position for fixing the foundaion bolts in position with proper alignment including cost of all materials, lead, lift etc., complete. For other equipments

Supplying, Fabricating, galvanising of foundation bolts (various size) with 2 Nos. nuts including welding a plate of size 100 x 100 x 12mm thick at the bottom of bolt including cost of materials, labour, lead, lift etc., complete.

Erection of bolts of various size wit GI nuts including all labour, T&P, binding wire, lead etc., complete. (ISO, CT, LAS, CVT, WT and Support)

Plastering with CM 1:3, 12mm thick to the exposed faces of RCC works including cost of all materials, lead, lift, curing etc., complete.

Supplying, fabricating and placing in posiion RTS/MS steel reinforcement including cos of binding wire, labour for cutting, bending and tying in position etc. complete.

Supplying and spreading of 20 mm HBG metal for yard including cost of all materials, labour, lead, lift etc., complete.

Removing, stacking and spreading of 20 mm HBG metal providing ICT & equipment foundation and spreading the same after completion of work including cost of all materials, labour, lead, lift etc., complete.

Colour washing two coats with approved exterior emulsion over one coat of white cement primer for outside wall including cost of all materials, labour, lead, lift etc., complete.

Painting two coats to the all exposed faces of steel works over one coat of primer with approved enamel paint including cost of all materials, lead, lift etc., complete.

A.2 Labour charges for Dismantling of busbar and Jumper connection of allotted ICT including disconnection of necessary wiring as directed by the Field Engineer at Tharamani 230KV SS

Labour charges for draining of oil from main tank (To Barrel) as directed by the Field Engineer at Tharamani 230KV SS

Dismantling of 100 MVA,Emco make Auto Transformer such as header pipes,Cooler Bank radiators,H.V. & L.V. bushings, conservator tanks, bucholz relays, equalizing pipes,Cooler fans, Pumps etc. and Draining the oil to the required level as directed by Field Engineer.at Tharamani 230KV SS

Labour charges for Applying vacuum in the Auto 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.) at Tharamani 230KV SS

Labour charges for Pulling of EMCO Auto Transformer from plinth to Truck for loading as directed by the Field Engineer (151MTx30Mts) at Tharamani 230KV SS

Labour charges for loading 100MVA, Emco Auto Transformer with complete accessories including released oil, initial lead of 5 Metres as directed by the Field Engineer . at Tharamani 230KV SS

Transporting of 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 100 Km ( from Tharamani to Meelavittan)

Transporting of Auto Transformer(EMCO make), 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. Above 100 Kms (650-100 = 550kms)

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.at Tharamani 230KV SS

Labour charges for Dismantling of busbar and Jumper connection of Failed Apex Make Auto Transformer including disconnection of necessary wiring as directed by the Field Engineer at Meelavittan 230KV SS

Labour charges for draining of oil from main tank (To Barrel) as directed by the Field Engineer at Meelavittan 230KV SS

Dismantling of Failed 100 MVA,Apex make Auto Transformer such as header pipes,Cooler Bank radiators,H.V. & L.V. bushings, conservator tanks, bucholz relays, equalizing pipes,Cooler fans, Pumps etc. and Draining the oil to the required level as directed by Field Engineer.at Meelavittan 230KV SS.

Labour charges for Pulling of Existing Failed 100MVA Apex Make Auto Transformer from plinth to safer side as directed by the Field Engineer (160MTx100Mts) at Meelavittan 230KV SS.

Labour charges for unloading 100MVA, EMCO Make Auto Transformer with complete accessories including released oil, initial lead of 5 Metres as directed by the Field Engineer . Meelavittan 230KV SS.

Labour charges for Pulling of Allotted Auto Transformer from Truck to plinth as directed by the Field Engineer . (151MT x 10Mts) at Meelavittan 230KV SS.

Labour charges for erection of Auto Transformer (EMCO Mke)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)

Labour charges for vaccum processing and dry air filling and dew point upto -25 degree reached satisfactory value (10 days)

Labour charges for filling of the transformer oil from oil barrel to Spare tank for Hot oil circulation

Labour charges for initial hot oil circulation in seprate tank ( separate tank will be not less than 10 KL) upto satisfied First 5000lts xRs 2.05/-& Above 5000 Lts xRs.2.00/-

Labour charges for filling of the transformer oil from Spare tank to Main tank for Hot oil circulation

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.upto 5000 Ltrs

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

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

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

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 plateas directed by the field engineer. 32mm Gland

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 plateas directed by the field engineer. 28mm Gland

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 plateas directed by the field engineer. 25mm Gland

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 plateas directed by the field engineer. 19 mm Gland

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)

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

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

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.50MVA & Above

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.

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

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)

Supply and erection of various sizes of Gasket 900×900×10mm

Supply and erection of various sizes of Gasket 900×900×8 mm

Supply and erection of various sizes of Gasket 900×900×6mm

Supply and erection of various sizes of Gasket 900×900×3mm

Supply and erection of silica gel breather flange type including the cost of 4-6 mm blue mesh silica gel. 10Kg

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

Supply and Erection of LV side Power connectors including the cost of bolts, Nuts and Electrical connections as per drawing directed by the field engineer 75mm

Labour for erection of LV Jumper including modification of clamps providing holes wherever necessary as directed by the field engineer

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.

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)

Supply & erection of 1 no. Oil Temperature indicator

Supply & erection of 1 no. Winding temperature indicator with four control switch

Supply 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.

Supply and Erection of Butterfly valve as per required size

SGST to be quoted in Percentage (value alone) Ex. 9%, it should be entered as 9 only

CGST to be quoted in Percentage (value alone) Ex. 9%, it should be entered as 9 only

Inter-state GST @18% for other than Tamil Nadu supplier. If the contractor is within Tamil Nadu may be quoted as "0" only

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