Bharat Sanchar Nigam Limited Tender

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 from BSNL designated stores to site of work (Pipes, sockets will be supplied by BSNL at stores at no cost. Length of pipe laid is measured for payment )

Laying OF DWC Pipe Coupled with Sockets as per the standard practices including loading, unloading , uncoiling and transportation from BSNL designated stores to site of work (Pipes, sockets will be supplied by BSNL at stores at no cost. Length of pipe laid is measured for payment )

DWC pipe laying (Over bridge & Culverts) including clamping/fixing to the railing wall by drilling into RCC (2 Drills per each clamp ) wherever required on the culvert/Over bridge as per directions of Engineer In-charge

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 wherever required as per the directions of Engineer in Charge. (The rate includes loading, unloading, uncoiling and transportation of cables from BSNL designated stores to site of work. Length of cable is measured for payment).

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. All materials, Splicing Machine and labours except Joint Closer to be supplied by Bidder /Vendor). Joint Closures will be supplied by BSNL at stores.

24F

48F

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 sand as per directions of Engineer in charge with the following details. i) Chamber consists of Precast RCC ring/collar of outer diameter 1.2M, 0.4M height and wall thickness of 50mm with concrete mix of 1 : 2: 4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size) with necessary reinforcement as per standard approved design& drawing. ii) Base/bottom plate is of precast RCC 1.2M dia 50mm thickness with mix of 1: 2: 4 (1 cement: 2 coarse sand (zone-III): 4 graded stone aggregate 20 mm nominal size) with necessary reinforcement as per standard approved design & drawing. iii)Top plate consists of 2nos semicircular plates each made of precast RCC cover 1.2M dia and 50mm thickness with concrete mix of 1 : 2: 4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size) with necessary reinforcement as per standard approved design & drawing .

Providing and fixing precast reinforced cement concrete 1:2:4 (1 cement : 2coarse sand : 4 graded stone aggregate 20mm nominal size) Route/Joint indicator with indicator dimensions 0.125m*0.125m*1.05m) & fixing in position in cement concrete (0.35*0.2*0.15) ,finishing smooth, and painting and lettering etc all as directed by Engineer in charge ( Each indicator is counted for payment)

Providing and laying in position cement concrete of specified grade in cable trench for protection of PLB Pipe /GI Pipe/DWC Pipe at low depth areas, Bridges, at Culvert crossings etc for low depth protection as per the directions of Engineer in charge. 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size). PLB/GI/DWC Pipes will be supplied by BSNL at stores.