e-tender for outsourcing of optical fiber cable fault maintenance works and allied activities in bsnl ajmer ssa. 1 digging trench 1.65 m depth 2 ( i ) digging in soft soil ( kachha ) 3 ( ii ) digging in soft rock ( pacca ) 4 ( iii ) digging in rocky soil 5 laying of plb hdpe duct by hdd method at a depth of 1.65 m or more ( for single plb pipe ) in soft soil. ( ofhs ) rope if required. rate per meter 6 hdd / hb - horizontal boring / drilling at a depth of 1.65 meter for crossing road / railway tracks, inserting gi pipes of 66 / 44 mm dia and pushing hdpe pipes / coils inside and drawing pp rope if required. rate per meter 7 laying of plb hdpe duct by hdd method at a depth of 1.65 m or more ( for single plb pipe ) in hard rocky strata. ( ofhr ) * 8 laying of hdpe / plb pipe & coupling hdpe pipe / plb with socket and drawing of pp rope 9 providing rcc 1:2:4 protections at site to hdpe / plp pipes or gi pipes reinforced rate per cubic meter 10 opening of main hole, pulling of of cable, sealing of hdpe pipes in main holes by rubber bushes & providing hdpe / rcc split pipes in main holes, sealing the hdpe pipe in main holes. rate per mt 11 supply & installation of stone / rcc route indicators ( including digging the pit as per bsnl norm at jungle / road side for fixing of the route / joint indicator and concreting, painting and sign writing of the route / joint indicators and including transportation to site ) 12 digging of old pit for jointing chamber, fixing of precast rcc / dwc chamber, filling of joint chamber with clean sand, supply and placing of pre cast slabs on joint chamber& back filling of jointing pit 13 6f 14 12 f 15 24 f 16 48 f 17 96f 18 laying of of cable / patch chord in corridor / risers / exchange premises ( leading in work ) including transporation of store from jto / sde store to site in ajmer ssa