Central Railway Tender

Modification in existing EI system as per latest TAN, it includes:- Design and modification in existing interface and interlocking circuit of EI system, including modification in VDU,CCIP, MT, Data logger, EI, Relay rack complete wiring conforming to RDSO specification, as per technical requirement & tentative approved signaling plan/diagrams. Required hardware will be provided by railways except the wiring, material (i.e. connectors, interconnecting cable/wires, fuses etc.) The work includes supply of modified ST/LT, interface and logic circuit, 1 CCIP/VDU diagram etc. to suit the approved interlocking plan. It also includes modification in data logger/MT, carrying out FAT, SAT jointly with railways and satisfactory commissioning of the modified EI with full complements as per approved IP and central railway practices. All plans and wiring diagrams shall be prepared on AUTOCAD and supplied in both soft copy and hard copies (6 sets.) Alteration involving modification in up to 10 routes. NOTE : If the alteration involves modification of routes up to 10, fixed cost as per the Rate mentioned in (i) above shall be paid. If the alteration involves modification of routes are more than 10 up to 20 routes, then, fixed cost as per the Rate mentioned in (ii) above shall be paid.

Supply of Relay Rack Assembly complete with scaffolding, fixtures and accessories including MS 2 Bars for fixing of relay plug board, string rods, fuse strips with bracket, 11 Way Bus Bars with cover and mounting brackets, runway for cable/wires, frame, base assembly etc. Siemens type & as per extant practice on C. Rly. Typical part list as per Annexure-II and Rack arrangement as per Sketch no SK-727 and Rack plan as approved by Engineer in charge.(Insp Agency-RITES)

Supply of Tag Blocks 200/160/120 way with polycarbonate cover as per IRS S 77-2006(Rev.1) RDSO DRG. No. SA 24751, SA 24752 & SA 24753. Requirement of each type shall be specified by Engineer-in- charge. (Insp Agency-RDSO)