e- tender for ofc maintenance routes and patch work in section-i of nagaur ssa , excavation trenches up to a depth of 1 . 65 m and back filling the excavated trenches after laying the hdpe / plb pipe with or without protection as per tender specification in kuchcha soil ( oftk ) , hdd - laying of plb hdpe duct by hdd method at a depth of 1 . 65 m or more ( for single plb pipe ) ( ofh ) , laying of single plb hdpe pipes / coil , coupled with coupler ( lph ) , laying of of cable by pulling / blowing method including opening of manhole , sealing of plb hdpe pipes ( ofpb ) , splicing of all the fibers of 6 f of cable in the fiber termination box / wsc and testing all the fibers for continuity . this will also include installation / mounting of the ftb as specified ( sftb6 ) , splicing of all the fibers of 12 f of cable in the fiber termination box / wsc and testing all the fibers for continuity . this will also include installation / mounting of the ftb as specified ( sftb12 ) , splicing of all the fibers of 24 f of cable in the fiber termination box / wsc and testing all the fibers for continuity . this will also include installation / mounting of the ftb as specified ( sftb24 ) , digging &refilling of splicing pit ( drsp ) , opening of manhole for of cable ( omof ) , vehicle running charges for attending the fault in any part of ssa ( max . 2500 km run of vehicle in a month ) ( 30000 km in a year ) ( ofv )