20140905

All Communication Failure on Double line

All Communication Failure on Double line (SR 6.02 –3)

1. In the event of total interruption of communication (TIC) occurring between two stations on a double line section, i.e. when Line Clear cannot be obtained by any one of the following means stated in order of preference viz :

  a. Block instruments; Track circuits or Axle counters;
  b. Telephones attached to the Block Instruments;
  c. Station to station fixed telephones wherever available;
  d. Fixed telephone such as Railway auto phones & BSNL / MTNL phones;
  e. Control Telephone;
 f. VHF sets under special instructions, but not as the sole means of communication on sections where               passenger trains run.

The following procedure shall be adopted for train passing.

2. Train shall be stopped and the Loco Pilot and the Guard of the train shall be advised of the circumstance by the SM on duty.

3. SM shall issue T / C 602 to the Loco Pilot of each train which shall include –

a. Authority to proceed without line clear;
b. Authority to pass signals in ON position;
c. Caution Order – 25 km/h when the view ahead is clear and 10 km/h when the view ahead is not clear.

4. In the event of a Loco Pilot approaching or passing any portion of the line where the view ahead is not clear, a railway employee with hand signals must be sent in advance to guide the further movement of the train. A sharp look out ahead should be kept and the engine whistle freely used.
5. The train shall be piloted, by a railway employee equipped with hand signals and detonators, through a tunnel only after ascertaining that it is clear. Before entering a tunnel, the head lights, side and tail lights shall be lit.
6. Trains shall be allowed to enter the block section after a clear interval of 30 minutes between each other.
7. Guard shall keep a sharp look out in the rear and be prepared to exhibit a hand danger signal to prevent the approach of a train from the rear and to protect if necessary.
8. When a train is stopped in the block section, on account of accident, failure, obstruction or other exceptional cause and the train cannot proceed, it shall be protected by placing three detonators at a distance of 250 – 250 and 10 meters apart from the train on the way out.
9. No train shall be backed. In unavoidable circumstances, it shall be backed only after placing three detonators at a distance of 250 – 250 and 10 meters apart in the rear of the point up to which the train is to be backed.
10. On approaching the station ahead, Loco Pilot shall stop the train outside the first stop signal and sound continuous long whistle.
11. If the signal is not taken ‘Off’ within 10 minutes and if the detention is likely to exceed 10 minutes, train shall be protected in the rear by placing three detonators at a distance of 250 – 250 and 10 meters apart, and Loco Pilot shall send his assistant to the station / cabin to inform the fact that the train is waiting at the signal for its admission into the station.
12. After the train being admitted into the station by taking ‘Off’ the signals, the Loco Pilot shall make over the authority to the SM.
13. Trains must continue to work on this system until anyone of the means of communications is restored by the competent authority.
14. A record of all trains passed over during the period shall be maintained on the TSRs at both the stations concerned.
15. As soon as anyone of the means of communication has been restored, the SMs must send messages under exchange of Private Numbers and Line clear shall not be obtained or given until both the SMs are satisfied that all trains dispatched from their stations have arrived complete at the other stations. SCOR shall be intimated about this.

16. All the records in connection with the working of trains during the course of TIC shall be inspected by the TI of the section, who shall prepare a report on the working of trains and shall forward the same along with his report to the DRM within 7 days of communication.

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