38/BSNL/EDT/2024-25

Amount

SH I - EARTH RECONDITIONING WORK

Arranging service personnel at site for clearing the vegetation/debris for clear identification of existing earth pits, Improving of earth continuity from existing earth electrode upto to the earth bus/ earth terminations by making good of loose connections, removal of rust from joints including providing missing bolts/nuts, spring washers, adding water for earth improvement, measurement of earth values etc.,as reqd

Providing and fixing of the 300mm x 50mm x 10 mm thick GI bus bar on surface of wall on suitable insulators as main earth bus bar having required no of holes for connections complete as reqd

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for interconnection of earth pits/replacement of rusted/damaged/broken GI strip connections as reqd.

Providing and fixing 50 mm X 3 mm G.I. strip on surface or in recess for interconnection of earth pits/replacement of rusted/damaged/broken GI strip connections as reqd

Restoration/reconstruction of damaged masonry enclosure of existing earth pit after raising the level as per the site conditions including white washing etc as required

SH II - GI SINGLE PLATE EARTHING (Additional earth for value improvement)

Providing Earthing with G.I. earth plate of 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. without charcoal/ coke and salt as required.

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

Supplying and laying of 25 mm X 5 mm G.I strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with G.I. nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & spring washer spaced at 50mm) (For interconnection of existing earthings)

Supplying and laying of 25 mm X 5 mm G.I strip in 40 mm dia GI Pipe at 0.50 metre below ground / on surface with suitable accessories as strip earth electrode, including connection/ terminating with G.I. nut, bolt, spring, washer etc. as required.

Supplying and laying of 40 mm dia rigid 2mm thickness PVC pipe for protection of strip/cable on surface with suitable clamping as per site requirements as required.

Providing and fixing 50mm x 3mm G.I. strip on surface or in recess for connections etc. as required.

Supplying and fixing 40mm dia B class GI pipe for watering arrangement in earthing system as required

Removing of floor tiles area suitable for providing 2Nos Single plate earthing and making good of floor after completion of earth by using skilled Man power, cement, sand, curing, etc., as per site conditions as required.

Arranging for initial watering of 2 Sets of single plate earths or 1 Set of 4 plate earth at site by procuring through water tanker including transportation or by extending water from available source near to site through temporary pipe to the required level as per site requirements as required.

V S ELECTRICAL WORKS (BID ID -749471)