Augmentation of OHE auxiliary transformer(AT) supply arrangements in connection with replacement of existing PI by EI(Indoor and outdoor) in AJJ-JTJ section of Chennai Division .

SW1-Augmentation of OHE auxiliary transformer(AT) supply

Supply only for fabricated mast K,B,S, series etc.

Supply of fabricated steel work(SPS)

Erection of fabricated steel work(SPS)

For Foundation trench and Plinth-Concrete in other than hard soil and rock

Erection of traction masts and main masts of switching stations, booster stations and L .T .supply Transformer stations by manual

Supply of a copper jumper

Erection of a copper jumper

Supply and erection of structure bond

Supply of a single earth electrode

Erection of a single earth electrode

Supply of earth Bus

Erection of earth Bus

Laying of 150 sq.mm XLPE insulated PVC sheathed Aluminium cable

Cable Trench cutting

Erection, testing and commissioning of 25 kVA capacity LT supply transformers

Erection of 150 A (25 KVA)LT control board for AT location as per RDSO spec. No. TI/SPC/PSI/CLS/0020(12/2002) with A & C slip No. 1 to 4

Supply of 25 kV fuse switch

Erection of 25 kV fuse switch

Supply of anti -climbing device,etc for LT supply transformer stations

Erection of anti -climbing device,etc for LT supply transformer stations

Dismantlement of OHE mast / structure by cutting

Releasing of plinth/ pole mounted AT along with drop out fuse,fencing panels and LAs etc.

Supply of 50 Sq.mm Copper cable

Supply of 200 A porcelain fuse unit and neutral link complete

Horizontal direction drilling for cable laying

Supply of HDPE pipe