Tender for Providing Chemical Earthing at existing BTS Sites where 4 G BTS is to be installed under Phase IX.2 Project in BA Bareilly, Telecom Circle UP(West).

Testing/measuring of earth resistance of existing earthing system at the BTS or Exchange site including cleaning of bushes /Jungle (if any) tightning of nuts & bolts for rejointing the GI strip i/c conditioning/repairing of existing earthing system by watering with salt from the existing watering source at the BTS or Exchange site including making arrangement for labour & arranging the earth testing meter, tools necessary skilled technician to complete the job and preparing a testing report for tested results as per format attached i/c transportation of labour etc complete etc as required

Supplying, Installation, Testing, & Commissioning of Maintenance free Chemical earth station as per latest RDSO specifications consisting of following:- (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 main 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 250 mm bottom 330 mm and height 260 mm. Heavy duty of 7 TON load capacity, the base unit should have knockouts for interconnection of strips. Note :- (a) Measurement of earth resistance will be done after 24 hours as per RDSO specification (b) Chemical Earthing work should be strictly carried out as per RDSO Specification attached), c) The above work is all inclusive i/c transportation, T&P and testing at site complete as required. (d) This item will be executed only if existing earthing value is to be found more than 1.0 Ohm as per item No 1

S/F of 25mmx6 mm thick GI strip for inter linked of earth electrodes and Main electrode to main earth bus on surface /recess or buried below 500 mm below ground level i/c connection with exothermic welding complete etc as reqd

Providing and fixing of 450 mm x 50mm x 6mm GI strip as Main earth bus bar on wall /surface on suitable insulators having suitable No of holes for connections complete etc as required .

Mohan Machinery Store

bindal electricals & engineers