Page 185 - IRSEM_Main Book

7.8.5 Commissioning of Relay Interlocking

On completion of Outdoor signalling works as per Chapter 19 and Relay
Interlocking works as per Chapter 21, System Integrity Tests (SIT) shall be
done as per Para 19.8.8 before commissioning. Recommended Pre-
commissioning check list is given at Annexure: 21-A2.

7.8.6 Commissioning of Electronic Interlocking

On completion of Outdoor signalling works as per Chapter 19 and Electronic
Interlocking works as per Chapter 21, System Integrity Tests (SIT) shall be
done as per Para 19.8.8 before commissioning.

7.8.7 Drawings for Guidance on Installation are given at Appendix II. These may be
customised as per site conditions or as per equipment sizes or as per Zonal
Railway`s prevailing practices duly keeping in view principles of Reliability,
Availability, Maintainability & Safety, Industry`s best Practices and extent
RDSO/Board`s Schemes/Guidelines.

7.8.8 Maintenance Schedules are given at Appendix I for various signalling
equipments. If required, these may be supplemented duly keeping in view
Traffic Patterns, principles of Reliability, Availability, Maintainability & Safety,
Industry`s best Practices and extent RDSO/Board`s guidelines.

7.8.9 Important Minimum Signalling Features which shall be provided at various
stations based on standard of interlocking are given in Table-3.

Note: This Chapter has under mentioned Annexures

S.No Annexure Description

1 7-A1 Extract from “Rules for Opening of Railway Lines” for Isolation (Rule 36)

Chapter 7: Essentials of Signalling Page 154 of 535