Name of Work:Repair/Renovation of Earthing system inside factory.
Sl. No.
Item Description
1
Earthing complete with galvanised steel earth plate electrode 60cmX60cmX6mm thick burried directly in ground (earth pit not less than 2.25 meters deep below ground level) with top edge of the plate not less than 1.5 meters below normal ground level, connected to galvanised earth strip 25X4 mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No.3 connected to earthing test point all as specified or indicated including testing on completion.
2
Rough excavation not exceeding 1.5m deep and getting out in hard & dense soil.
3
Rough excavation for each additional 1.5m or part thereof in depth beyond the first 1.5m.
4
Demolition of brickwork or stone / boulder masonary , laid dry.
5
S&F of Earth continuity conductor fixed to wll on batten or recess or chases or buried in ground or any other indicated sitution for loop earthing etc. as required 25X4 mm galvanised iron strip.
6
S&F Earth continuity conductor fixed to wll on batten or recess or chases or buried in ground or any other indicated sitution for loop earthing etc. as required 4.0sq mm galvanised iron strip.
7
S&F Earth pit cement concrete and cast iron cover, funnel with watering pipe and earth marking plate.
8
Returining and refilling including spreading, leveling, watering and well ramming in layers not exc 25cm.
9
M&L making good/repairing of floor or road by cement concrete type D-2 1:4:8 (40mm graded aggregate) .
10
Cutting chases for concealed conduit wiring etc and making good cutting not exe 10cm girth.
11
Steel water tubing light grade galvanised with fittings 20 mm (S&F)
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