Rail Vikas Nigam Limited Tender

Blowing of armoured Optical Fibre Cable into duct by using blowing machine and associated works. Before blowing the duct integrity shall be tested. If any defect shall be found during duct intigrity test, the entire length of HDPE duct from one chamber to another chamber is to be replaced by contractor at free of cost

Installation of Emergency socket box including socket on the rail post in the section and yard at every one km distance as per tapping chart supplied by the survey team. This will include wiring and termination of quad cable on the socket box mounted at 1 m height, clamped with 2 nos. U -Clamps, provision of concrete foundation of rail post in such a way that rail post is one meter above the earth level. The concreting shall be in 40 ratio of 1:3:6 of cement, sand and stone chips. The contractor shall jointly test with RVNL engineer for it satisfactory operation. This includes painting of Emergency socket post with alternate yellow and black strip of 6" width and painting of the socket box with grey colour paint and painting of arrows on the telephone posts/cable markers to show the nearest Emergency socket as instructed by the engineer at site. RVNL will supply rails contractor should supply all other materials required . Cutting of rails to the required size shall be done by contractor. Rail posts and MS pipes of required lengths for fixing Emergency socket will also be installed by the contractor.

Supply and fixing of MS- 'C' channel of size 100 mm x50 mmx 1200 mm with suitable clamps as per 34 drawing No.S&T/RE/78/2/76 and filling to GI pipes 65/50 mm ( to be supplied by RVNL) of spec: IS-1239/Part- I/Light with coupling and with suitable clamps on Grider bridges without drilling holes in the griders. GI pipers are to be drilled with 6 holes of 1/4" dis per meters around the pipe in zip zap manner before laying the 6 meter pipe all materials to be supplied by contractor