CHAPTER XXII

SPECIAL REQUIREMENTS OF SIGNALLING IN 25KV AC ELECTRIFIED AREA

22.1 General
22.2 Signal structure
22.3 Visibility of signals
22.4 Cables and Cable Laying
22.5 Signaling and Interlocking Circuits
22.6 Line circuits
22.7 Signal feed Circuitry
22.8 Point operation and Detection
22.9 Block working
22.10 Track circuits
22.11 Power Supply
22.12 Axle counter
22.13 ATP system
22.14 Earthing
22.15 Rules for Protection of Staff working on Signal & Telecommunication Installation Extracts of Para 20.5 of Appendix 1 of ACTM Vol. II, Part II
Annexure 31 Detailed Instructions for measurement of stray Direct Current before installation of DC Single Rail Track Circuits
Annexure 32 Provisions of Part 'J' of Permanent Way Manual
Annexure 33 RE Drawing from 22.1 to 22.16