Supply, Installation, Testing and Commissioning (SITC) of Earthing System, at MERO,CWC,Bhubaneswar

Amount

Earthing Works

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Excavation work by mechanical means (Hydraulic excavator)/ manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50 m. (Ordinary Rock)

Earthing including levelling the bottom of the pit, uniform layer of in the sequence of 150mm of salt + 150mm Charcol + 150mm sand is filled. Such sequence is repeated 3 times till the earth pit is filled to the top. The copper earthing Flat will be placed at the centre of the pit. 600mmX600mmX3mm earth plate must be used at the bottom installed with Watering Gi pipe and connected with Copper flat. Providing masonary enclosure with cover plate with Cahrcoal, asalt and sand as required.

Providing and fixing 25mmx5mm copper strip on surface or surface or in recess for connection etc. as required.

Supply and laying of 8mm Cu wire from Earth pit to the Mahandi Bhawan Sub Panel