supply, installation, testing and commissioning of wireless network bridges for cctv surveillance system in ports operational areas and cmc for a period of 3 years after completion of guarantee period of two years -supply, installation, testing and commissioning of wireless radios along with poe units as per technical specification at scope of work 2 a ) supply 3 b ) installation, testing and commissioning 4 supply, installation, testing and commissioning of surge protectors for wireless radio as per technical specification at scope of work 5 a ) supply 6 b ) installation, testing and commissioning 7 supply, installation, testing and commissioning of 9 meter lattice tower with self climbing ladder as per technical specification at scope of work 8 a ) supply 9 b ) installation, testing and commissioning 10 supply and laying of cat 6 armoured network cable as per technical specification at scope of work 11 a ) supply 12 b ) laying 13 supply and laying of pvc heavy duty conduit pipes as per technical specification at scope of work 14 a ) supply 15 b ) laying 16 supply & laying of power cable 17 a ) supply 18 b ) laying 19 testing and commissioning of the complete system. 20 comprehensive maintenance contract ( cmc ) with full responsibility of carrying out repair and supply of required original spare parts to keep the wireless system in fully operational condition for a period of 3 years, after expiry of two year guarantee period.