North Central Railway Tender

Design, Manufacture & Supply of Electronic Interlocking (EI) System (with Cerntralized arrangement) as per attached tentative Signal Interlocking Plan in 'Hot Standby architecture' as per RDSO Specification No. RDSO/SPN/192/2019 Ver. 2.0 or latest from RDSO approved source only. EI system shall be provided to operate with dual VDU Control Terminal. It shall mainly consist of: (1) EI Microprocessor Equipments/Electronic PCB cards etc. (2) All type of Interfacing relays, proposed to be wired inside the EI Equipment and Relay room, i.e. Q Series single coil neutral line/special type ACI/non ACI relays etc. In case of OEM specific relays with non-RDSO approved contact configuration, if any, being supplied, the cost of such relays shall be included in the cost of EI (Electronic Interlocking) system. However, the number and type of such relays 1 shall be indicated separately.(All types of outdoor relays like QTA2 etc. relays should not be included as a part of EI breakup). (3) EI Equipment racks and EI Relay racks. Cable termination rack to be supplied separately in Schedule and not as a part of EI breakup.(4) In-built Event logger, Power Supply Equipments (DC-DC Converters shall be provided in N+1 configuration) (5) Indoor cables, Wires, Fuses , Fixtures, Mounting arrangements, Communication arrangements etc. along with all accessories required to make complete EI system functional (6) Surge and lightning protection devices compatible to RDSO standards and as recommended by OEM (7) All the documents as proposed in the para 10.2 of the RDSO spec. RDSO/SPN/192/2019 Ver. 2.0 or latest (8) Operation VDU console (size 42", 4k Resolution), 02 (Two no.). The embedded fan less industrial grade PCs to be supplied as Operation terminals shall comply with the specifications as described in RDSO TAN/3007, Version 1.0, dated 02.11.12 or better. Inspection:By RDSO. However items not covered under RDSO inspection will be inspected by the Representative of Dy CSTE/C/AGC. NOTE: Please see detais in item break up

Installation, Wiring, Testing & Commissioning of complete Electronic Interlocking system as per RDSOspecification No. RDSO/SPN/ 192/2019 ver. 2.0 or latest with Hot Standby arrangement for functioning of EI system, supplied vide Item No. 1 of Schedule A, including transportation of required materials from consignee's 2 depot to site, erection and grouting of EI Relay Racks, fixing and wiring of all the interfacing relays (Vital & Non- Vital), installation and wiring of Microprocessor equipments, interface equipments, power supply equipments and all other associated accessories to make complete EI system to be functional, FAT and SAT, Technical Advisory Notes (TAN) issued by RDSO time to time on installation practices of EI are to be complied.

Modification/Alteration in existing EI (Electronic Interlocking) at Dholpur Stations as per latest RDSO guidelines/TAN. It includes: Design and modification in existing Interface and Interlocking circuits and logic of EI system including modification in the VDU(Video Display Unit)/ LCP(Local Control panel)/ CCIP (Control cum Indication Panel), Maintenance terminal (MPC), Data Logger, Relay rack wiring. The complete work should 3 comply with the latest RDSO specifications and guidelines and as per approved SIP and circuit diagrams. All the material (Interface cards/relays/wiring material/connectors/fuses/communication devices, EI rack, relay rack etc.) shall be provided by the contractor.The work also includes the supply of modified Selection table, Interface Circuits, VDU/LCP/CCIP diagram etc. to suit the modified SIP. It also includes the carrying out of FAT, SAT (as applicable) jointly with Railways and satisfactory commissioning. All plans/drawings/circuits etc. should be prepared on AUTO CAD, softcopy to be supplied on Pen Drive and 06 sets of hard copies also to be supplied.