Details: rate for excavating of trenches. (1otns) excavation of trenches in normal/soft soil to a standard depth of 1.65m as specified in laying practices of of cable, and backfiling the excavated trenches after laying the plb pipe with or without protection. (2hdd) horizontal directional drilling for laying of u/g plb/hdpe pipes up to 50mm dia to a standard depth of 1.65m as sprcified in laying practices of of cable by hdd method and pulling single pipe. laying of plb upto 50mm diameter and joining with coupler (material to be supplied by bsnl) (2plb/1) 1st pipe ofc blowing (of cable & accessories to be supplied by bsnl). blowing of o.f.cable and allied works (viz., replacing couplers and back filing in case of manholes, sealing of plb ends, refilling sand, refixing rcc cover and backfiling in case of joint chamber/ manhole). no charges to be paid for opening of manholes/joint chambers. (4ofbl1) upto 48f dwc pipe laying (dwc pipe to be supplied by bsnl) (5dwct1) dwc pipe (upto 100mm o.d.) layi
Sector: Telecommunication