Underground OFC Construction Works in Sangareddy BA

Amount

Laying and Jointing PVC Pipe. Heading

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in trenches to a width of 0.30m to 0.45m and for a depth of 1.65m as specified in the Standard Laying practices (For all kind of soils)

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in trenches to a width of 0.30m to 0.45m and for a depth of 1.65m as specified in the Standard Laying practices (For all kind of soils)

Blowing of OFC Cable in cable trench as per the standard practices including allied works like replacing/refixing couplers, Sealing of PLB ends and refilling sand ,refixing RCC covers and back filling in Joint chambers

Boring at a depth of 1.65m using HDD method /Boring/Cutting Black Top or Concrete Road at Road Crossing etc including excavating entry and exit pits & pushing PLB Pipes upto 3 Nos maximum, reinstatement of road and other all operations

Splicing of all the fibers of OF cable laid at every joint within specified splicing loss range (<=0.02dB) while testing with OTDR and making termination at the ends.

Providing and fixing RCC Joint protection chamber of 1.2M outer diameter with precast RCC rings /collars and RCC top & base covers as per standard design and drawing and filling the chamber with sand

Providing and fixing precast reinforced cement concrete 1:2:4 (1 cement : 2coarse sand : 4 graded stone aggregate 20mm nominal size) Route/Joint indicator

Laying OF PLB /HDPE PIPE 40-50mm dia coupled with sockets in the excavated cable trench as per the standard practices including loading, unloading , uncoiling and transportation

Laying and Jointing PVC Pipe. Heading

Plain Cement Concrete 1:4:8 (one cement four fine aggregates and eight coarse aggregates) using

Brick work in C.M 1:5 mix using 2nd class ground moulded chamber burnt bricks with including cost