comprehensive routine maintenance of cctv cameras for the period of 10 months alongwith other associated works at 220 kv sub station dohna and 132 kv sub station dohna under e.t.d. - ii, bareilly- 1 routine, corrective and preventive maintenance of ir outdoor ptz cctv cameras ( hikvision make ) . work includes carry out necessary repair and adjustment to the cameras for the proper functioning of surveillance system. ( 04 unit per month for 10 month ) 2 routine, corrective and preventive maintenance of 2 mp smart ip outdoor bullet static cctv cameras ( hikvision make ) . work includes carry out necessary repair and adjustment of camera for proper functioning of surveillance system. ( 06 unit per month for 10 month ) 3 routine, corrective and preventive maintenance of 3 mp wdr outdoor dome network cctv cameras ( hikvision make ) . work includes carry out necessary repair and adjustment of camera for proper functioning of surveillance system. ( 06 unit per month for 10 month ) 4 routine and preventive maintenance of embedded plug and play 16 channels nvr. work including repairing and replacement of damaged port if any. ( 02 job per month for 10 month ) 5 replacement of video cable ( rg60 + cat6 ) . 6 splicing / jointing of broken fiber cable. 7 replacement of damaged dc adopter / power over ethernet switch ( 08 port ) as and when required. 8 replacement of damaged media converter as and when required.