Supply of Electrically operated lifting barrier set as per specification No- RDSO/ SPN/ 208/ 2012 to work on 24V DC and hand generator back up with 32 ft long G. I boom each set each set consisting, 2 Nos. of lifting barrier but without fringes, pedestals each with circuit controllers/ limit switches of minimum 10000 operations life cycle, hand crank, 2 electric motors, 2 sets of booms, 2 stop board boom light boxes, M. S counterweights and 2 nos. of boom support with boom motorized locking along with hand generator to operate 2 barrier of one set. Hand generator to have necessary switches/ buttons to operate one or both barriers, operate boom lock only, or operate with push buttons in case of 24 V DC is available