Complete reconditioning of 1.6 MVA station yard (33kv/415v) by the way of replacing old/worn out 33kV VCB, CTs, PT, desludging/cleaning of oil tank, new oil topping, replacement of all thimbles/lugs from both HT and LT side ofLJHP Power House- Supply, forwarding, unloading and stacking of fresh transformer oil which shall conform to latest edition of IS: 335 and must be from top brand manufacturer. 2 Dismantling of transformer fittings, radiators, fans, pipes etc 3 Removal/draining of old transformer oil from the transformer tank including shifting of drained oil barrels to dumping site 4 Inspection and testing of transformer including checking of buchholz relay, surge relay, conservator oil level undicator, temperature sensors, cooling system, measurement of IR value, Dielectric strength and cleaning of transformers. 5 Erection of temporary shed for filtration of transformer oil 6 Refilling of the fresh transformer oil including dehydration/filteration of transformer as required to get good insulation resistance of the transformer winding and good BDV of the oil besides cleaning & painting of the transformer outer body surface. 7 Removal/cleaning the sludge from the transformer bottom portion including cleaning (hot bath) of the interior of transformer tanks and other oil filled chambers and internal structural steel work shall be cleaned of all scales and rust. 8 Replacement of bushing gaskets, top lid gaskets. 9 Construction of new foundation for 33kV VCB along with support structure along with repair to the foundation of transformer 10 SITC of 33KV VCB (36KV, 1250 A , 26.2 kA, outdoor type ) 11 SITC of 12 Core 2.5 mm² Control cable copper Armoured , 1.1 kV Grade, ISI, FRLS. 12 SITC of 33 kV C&R Panelalong with O/C, E/F, with (IEC61850), mimic diagram, Voltmeter, Ammeter, Annunciation Windows with annunciation relays, 3-phase Tri-vector meter -5 Amps, DLMS Compliant with RS-485 port 13 SITC of 33 kV Current Transformer (33 kV, 1Φ, Multi Ratio Multi Core, Outdoor) (1 No. per Φ) 14 SITC of 33 kV Voltage Transformer (33 kV/110 V, 1Φ, Multi-Core, Outdoor), (1No. per Φ) 15 SITC of 33 kV, Lightening Arrestor,(33 kV ,10 kA ,Station class,ZnO, Polymer) gapless 16 SITC of 150 mm² ACSR Conductor (Wolf) 17 SITC of T Clamps 18 SITC of Pad Clamp 19 Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth upto 30 cm measured at a height of 1 m above ground level and removal of rubbish upto a distance of 50 m outside the periphery of the area cleared. 20 P/L of Dry Stone Soling (Hand Packed) 21 Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centring and shuttering. All work upto plinth level with: 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) 22 Centering and shuttering including strutting, propping etc. and removal of form work for:4.6.1 Foundations, footings, bases for columns 23 Supplying and stacking at siteGraded crushed stone aggregate of size 53 mm to 22.4 mm 24 Demolishing stone rubble masonry manually/by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 meters lead as per direction of Engineer-in-charge 25 Carriage of material to the site and returning of material from site to divisional stores aas detatiled in SBD
