s-3-147 / ofc / mtce . / barmer ssa / 2020-21 optical fiber cable maintenance work with allied activities in barmer ssa , rate for excavating trenches upto a depth of 1 . 65m and back filling the excavated trenches after laying the hdpe / plb pipe with or without protection as per tender specification . , ( i ) in kuccha soil , ( ii ) in pucca soil , ( iii ) in rocky soil , laying of plb pipe duct through hdd method as per engineering instructions . ( department will supply hdpe / plb pipe in coils of various length , hdpe / plb sockets / coupler , end caps . ) , a ) single plb pipe . , b ) two to three pipes in bunch , c ) four to seven pipes in bunch , d ) single pipe in hard rocky strata , laying , jointing and leveling of plb / hdpe pipe of 40mm dia including transportation . , i ) laying of single hdpe / plb pipes / coils , coupled with coupler . , ii ) laying of two hdpe / plb pipes / coils , coupled with coupler . , iii ) laying of three hdpe / plb pipes / coils , coupled with coupler . , opening of manholes , blowing of o . f . cable , sealing of hdpe / plb pipes by rubber bushes in manholes , providing hdpe / rcc / dwc split pipes in manhole and back filling of manholes . , ( a ) in new pipe , ( b ) in existing duct , conventional splicing , ( a ) splicing of 24f of cable at sjc / bjc / ftb / splitter locations , ( b ) splicing of 12f of cable , ( c ) splicing of 6f of cable , ( d ) branch jointing ( making branch joint of the incremental o . f . cable with existing o . f . cable ) , supply of 24 f ofc sjc ( as per tec specification no . tec / gr / tx / ojc-002 / 03 april2010 with latest amendment if any ) incase of non availability of item in ssas store . , digging of pit for jointing chamber construction of brick chamber , fill- ing of brick chamber with clean sand , supply and placing of stone slabs on brick chamber , and back filling of jointing pit . ( including cost of material i . e . bricks , slabs , sand etc . ) , digging of pit of size 1 . 5 m x 0 . 6 m up to existing plb duct depth including bitumen and back filling of pit . , recovery against empty cable drum , road restoration work with bituminous macadam for semigrouting 50mm thick and premix carpet surfacing 25mm thick over the grouted surface ( total upto 75mm thick ) , including supply of asphalt etc . to evenly match the road , including consolidation and rolling as per standard specification of dsr 1997 . , road restoretion work with cement concrete 1:4:8 mix for thichness verying from 150mm to 225mm , including supply of concrete to evenly match the road . , vehicle running charges for attending the fault in any part of ssa ( max 3000 km run of vehicle in a month for barmer hq & max 3000 km run of vehicle in a month for balotra hq )