supply of supply of electrically operated lifting barrier.supply of electrically operated lifting barrier.,supply of electrically operated lifting barrier with hand generator each set consisting of 2 no s. of lifting barrier pedestals, each with 8 contact circuit controller with top roller type limit seitches (as per design given in specification & approved by rdso) hand crank, electric motor 110v dc, 2 gi sheet booms of 32 ft length (4 section of 8 ft long each) with new octagonal shape as per rdso approved drg. no. rds o/s-11600 without fringes, with 2 stop boards and boom light boxes, ms counter weights and 02 nos. of bo om supports with motorized/ solenoid boom locking along with 01 no. of hand generator cum control panel to operate 2 barries of a set with 1 selector switch, 3 buttons and 5 indicating lamps, contractors mcbs an d relays as per rdso spec no rdso/spn/208/2012 or latest. [ warranty period: 30 months after the date of delivery ] ]