Page 331 - IRSEM_Main Book

(a) Two Major areas of Safety Concern are

(i) LC gate Accidents

(ii) Signal Passing at Danger (SPAD)

TCAS is intended to provide train protection by addressing:

 Prevention of collisions

 Control of speed at tracks having speed restrictions

(b) Automatic Train Protection (ATP) features of IRATP are:

(i) Detection and Prevention of SPAD

(ii) Cab signalling with Display of movement authority, target distance,
speed and signal aspect

(iii) Continuous train control

(iv) Protection for speed restriction

(v) Detection of roll back

(vi) Blowing horn while approaching Level Crossing Gate

(c) Train Collision Avoidance Features are

(i) Head On Collision prevention

(ii) Rear End Collision prevention

(iii) Side Collision prevention

13.3.2 Track side equipment of IRATP comprises of

(a) RFID Tag
(b) Stationary unit

(c) Radio

Chapter 13: ATP, ETCS, IRATP (TCAS) & TMS Page 285 of 535