procurement , laying and commissioning of 25 km ( 24 core ) unarmoured ofc for cias , tac and weu afnet connectivity at af stn jodhpur:-1 optical fibre cable 24 core single mode unarmoured 2 hdpe pipe 40 mm isi mark thickness 3.5 mm 3 24 port hd fdf with lc-lc connections 4 joint enclosure ( fosc ) 5 patch cord fc-fc 2 mtr 6 route marker 3 ft long painted in yellow with ofc written 7 joint marker 3 ft long painted in yellow with ofc written 8 gi pipe 3 dia 9 terminal junction box ( tjb ) 10 pulling of 24 core ofc 11 trenching digging and laying of hdpe at depth of 1.65 mtr as per bsnl standards 12 digging and laying of hdpe pipe by hdd 13 splicing / termination / jointing 14 fixing of marker ( route + joint ) 15 provisioning of manhole ( chamber ) of 1mx1mx1m including all accessories 16 road crossing with gi pipe 17 amc for 7 years after completion of warranty period of 3 years