supply of levelling instrument , levelling instrument - bosch/sokkia make or similar automatic level- gol 32d; article numb er- 3601k68 500; working range- 120m; height accuracy for an individual measurement- 1mm/30m; devia tion for 1 km double run leveling- 1.0mm; accuracy of the bubble vial- 8 1/2mm; and compensator levelllin g range- +15 firms offer:geo-fennel precision automatic level model gfn 10, 360 (32x) with tripod with levelling staff export quality levelling staff 5 meters long model alt5 (e) made out of extruded aluminium alloy, telescopic in 5 sections, duly pained with superior quality waterproof paint, with push button fastenin g/locking arrangement, graduations in metric system as per iss confirming to international standards com plete in waterproof cordura case. [ warranty period: 30 months after the date of delivery ] ]