bids are invited for laying ,digging, trenching and refilling of earth of ofc as per bsnl norms including road, culvert and nallah crossing , 6 core unarmoured monomode ofc , 40 mm hdpe pipe , splicing machine , optical time domain reflectometer , route marker , joint marker , fiber distribution frame, 6 core fiber , sfp module 120 kms , optimux 120 kms , optical card for optimux , fxo,fxs optical with sfp module80 km , pigtails , patch cords , ups 2 kva with bty min of 1hrs backup , joint closure 6 core , rcc cable pit , optical toethernet converter , lan extender , zero db connectors ,road, nallah, culvert crossing including supply of gi pipegalvanized iron 12 gauge medium class with 150 mm innerdiameter. total quantity : 1173