supply, installation, testing and commissioning of cctv surveillance system at power house no.-2, 3 and 4 of mukerian hydel project, talwara, punjab supply, installation, testing and commissioning of cctv surveillance system at power house no.-2, 3 and 4 of mukerian hydel project, talwara, punjab , part i : supply , ip outdoor bullet camera ( water proof ) ( 27 no. + 1 no. as spare ) , recording / management server nvr , surveillance hard disk ( 6 no. + 1 no. as spare ) , commercial led display , sfp-trans receiver ( 18 no. + 1 no. as spare ) , poe ethernet switch ( 9 no. + 1 no. as spare ) , poe ethernet switch for nvr ( 3 no. + 1 no. as spare ) , 6 port line interface unit , 18 port line interface unit , wall mounted rack , outdoor rack , fiber optical cable , copper flexible pvc sheathed cable ( 450 mtr.. + 50 mtr. as spare ) , cat 6 utp cable , pvc conduit , ups ( 3 no. + 1 no. as spare ) , tools & accessories , part ii : installation, testing and commissioning , installation, testing and commissioning of cctv surveillance system at power house no. 2, 3 & 4 of mhp, pspcl talwara.