corrigendum - supply and installation of cctv camera system installation and commissioning of 30 cameraswith all supporting equipments with 30 daysstorage and increased storage capacity of from09 days to up to 30 days in existing cctvsystem at bench high court indore , boq list for cctv system , outdoor ip static camera ( 04 mega pixel bullet camera with h . 264 support ) , layer 2 managed network switches with minimum 8 poe ports in each , ups with minimum four hour backup with isolation circuit ( for network switches ) , network rack/outdoor cabinet for all equipment at main control room and remote location with electric fitting , optical fibre connectors for sfp ports for layer 2 switches and relevant fibre connectivity , client pcs with 24 led colour monitor with licensed os and antivirus , cat 6 cable and accessories ( as required ) , outdoor camera waterproof boxes for 4 mp cameras , storage of cctv recording to be upgraded from existing 200 tb to 400 tb in order to provide 30 days recording of existing cctv cameras and additional 30 cameras