Bharat Sanchar Nigam Limited Tender

S.I.T.C of Maintenance free Chemical earth station as per latest RDSO specifications consisting of :- a) Steel electrode, High Tensile ,low carbon molecularly bonded with copper on outer surface as Per UL requirement of 3 Mtrs long, 17 mm dia with copper bonded thickness of minimum 250 microns and a copper coated low carbon steel strip of 300mmx25mmx6mm with suitable hole shall be exothermically welded to main Earth electrode for taking the connection to main earth bus - 1No. b) Earth Enhance material ,Maintenance free, Environmental friendly, Mineral compounds, Semi soluble, non corrosive, conductivity improving material confirming to IS 62561 Part 7 of RDSO approved) =30-35 Kg c) Poly plastic, Heavy Duty, weather-proof, environmental free earth pit chamber with cover size about top dia 250mm bottom 330mm and height 260mm. Heavy duty of 7 TON load capacity, the base unit should have knockouts for interconnection of strips. Note- a) Earth resistance at Main Earth bus bar should be up to 1.0 Ohm. b) Measurement of earth resistance will be done after 24 hour as per RDSO specification c) Chemical Earthing work should be strictly carried out as per RDSO Specification attached), d) The above work is all inclusive i/c transportation, T&P and testing at site complete as required.

Supplying and fixing of 50 x 5 mm Copper Busbar are made from OF grade (high conductivity oxygen free) copper with SMC insulator etc complete as reqd.

Supplying and fixing of 10 Sqmm FRLS PVC insulated Copper Conductor Single Core Cable (For Connection)