Providing shielding work for 25KV HT Voltage ( Railway Traction Line) at Telephone Exchange Building Gurdaspur

Amount

Sub Head - I

Supplying and making of shielding material for shielding the building from 25 KV HT voltage with16 Gauge fine quality Aluminium Sheet on the existing brick wall facing toward Railway line including supplying & fixing / grouting the metalic rawl plug of size 8 mm thick/dia , length not less than 50mm. ( size of sheet not less than 8'x 4' ) . sheet must be grouted / Fixed minimum at 8 points and capable to stand mechanical stress of environment like stroms etc.including making arrangement for scuffholding i.e wooden/steel support system, ropes etc for labour to fix the sheet on the surface of building to safeguard the the labour etc complete etc as required at site.

COPPER EARTHING

Earthing with copper earth plate 600 mm X 600 mm X 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

Providing and fixing 25 mm X 5 mm copper strip in 40 mm dia G.I. pipe from earth electrode including connection with brass nut, bolt, spring, washer excavation and re-filling etc. as required.

Providing and fixing 25 mm X 5 mm copper strip on surface or in recess for connections etc. as required.