OT-88/2025-26 of SE/GCC-II

Labour charges for Erection of 25 MVA, 110/33 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 including crane charges.

Labour charges (including cost of supply by contractor) for Earthing of Power Transformer tank , Neutral at 2 points, Marshalling Box, DM box,RTCC Panel etc using 65 x 10 mm MS Flat including cost of supply. (approximately KG).

Labour charges for earthing of cooler fans and oil pumps of power transformers from 25 MVA upto 50 MVA capacity using bare copper wires including cost of copper wires

Oil filling per liter excess Qty more than 800 Litres.

Provision of filtering machine of appropriate capacity 10/12 KL.

Labour charges for Hot Oil circulation & filteration upto satisfactory value is achieved.

Labour charges for Termination of control cables in Marshalling box, DM Box,LV Panel, RTCC panel,internal wiring,etc. including the cost of ferrules, lugs and PVC strap etc.,

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

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

Labour charges for internal wiring of power transformer including replacement of existing old cables, laying of new cables, for connecting productive devices like bucholtz relay, PRV, OSR, OTI, WTI, MOG, oil and winding temperature indicator fans, pumps flow meters.

Labour charges for making panel cutout and mounting of differential relay or any other auxillary relays annunciator, facia type etc in RTCC apnel or other panels using panel cutter

Labour charges for providing skilled workmen during transformer bushing CT Testing, Pre commissioning testing and commissioning of the Power transformer.

Labour charges for Gland work of control cables including the cost of glands. 19 mm

Labour charges for Gland work of control cables including the cost of glands. 25mm

Labour charges for Gland work of control cables including the cost of glands. 28mm

Labour charges for Gland work of control cables including the cost of glands. 32 mm

(a) Supply and provision of M8,M9,M10,M12, & M16 full thread GI bolt & nuts & washers GI various sizes for wherever required and as dircted by the fIeld Engineer

Labour charges for Erection 75 mm busbars with bends.

Labour charges for earthing of cooler fans and oil pumps of power transformers from 25 MVA upto 50 MVA capacity using bare copper wires including cost of copper wires

Labour charges for Laying of control cables in the trench upto 8 Core including bunching, alu tag identification etc.,

Labour charges for providing jumper/dropper

Supply of LV bushing connector

Fabrication, supply and fixing of AC distribution box of size 750W x250Dx750H mm out of 14SWG (2mm) M.S sheet wherever necessary as directed by the field engineer.The box shall be vermin proof shall have sturdy hinges, provision for mounting MCB and MCCB detachable gland plate and locking arrangements including cost of all materials

Hire charges for transportation of 75mm bus ba, control cable and empty Oil drum (upto 100KMs)

GST for bidders outside TamilNadu (IGST)