procurement survey equipment , water velocity and discharge measuring instrument:- 1.01 procurement of hand held gps display resolution 160*240 pixel, display- colure tft, battery life 24 hour, antenna built inter face high speed usb, built in memory 1.7 gb way points-2000 routes 200, electronic compass, barometric altimeter, area calculation, unit to unit transfer 1.02 water current meter cup type as per i.s. 3910 / 1992 with direct velocity indicator calibration, fish weight and standard accessories. 1.03 procurement of auto levels durable, dependable, high value auto levels, 24 magnification, rapid accurate, and stable automatic compensation, ultra short 20 cm ( 7.9 ) focusing, all weather dependability, clamp less, endless fine horizontal adjustment instrument centre 0.3 m ( 1 ft ) imageirrect, stadia constant 0, adi-gum sight accuracy with out micrometer 2.00 mm ( 0.08 in ) compensator typed pendulum compensator with magnetic damping system setting accuracy 0.5 in working range + 15ft, circular level sensivity 10 ft / 2 mm horizontal circle diameters 103 mm ( 41 in ) minimum division 1 / 1 lon 1.04 leveling staff aluminum 4 m four part with automatic device telescopic screen printed in 1.05 leveling staff aluminum 6 m in 5 part with automatic device telescopic screen printed in 1.06 measuring tap 30 m ( fire glass ) 1.07 bridge out fit specification :- mass of current meter upto 100 kg material :- steel or aluminum cable length max 50 maximum load :- 2500 new tons cable torque :- torque free suspension cable flow velocity max 5 m / s