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| Date | 2014-05-01 |
|---|---|
| Type | Commercial Circular |
| Topic | freight |
ALP of train No.08504 and Sr.TMR of train No.08532 and 11
Accident Investigation with DATA LOGGER REPORTS DIGITAL REPORT EXCEPTION REPORT TRACK SIMULATION RECORDING ACCIDENT REPORTS OF DATA LOGGER • SYSNCHONISATION OF CLOCK • CORRECT FUNCTIONING OF DATA LOGGER • HEALTHY DATALOGGR NETWORK • SELECTION OF SPECIFIC INPUTS • SELECTION OF EXACT TIME INTERVAL • CORRECT ANALYSIS OF REPORT • PRESENTATION OF REPORTS • STORING OF REPORTS Case – I Derailment of the Rake of Garib-Rath Express Derailment of the Rake of Garib-Rath Express at BANDRA TERMINUS on 01.05.2014 Brief Description of incident • Rake of Bhava Nagar Exp was standing on P.F-2 • Rake of Garib Rath Exp was standing on P.F-3 • SM/BDTS cleared Sh -47 for moving the Bhavanagar Exp rake from PF -2 • But he wrongly announced to start the rake of Garib rath Exp from PF-3 • The Pilot of Garib rath EXP followed the instruction from SM and with out observing the signal proceeded . • As a rsult the rake of Garib rath derailed on Point No 141 & 143 in facing direction damaging both the points Brief Description of incident • Noticing his fault SM/BDTS hurriedly cancelled the SH – 47 which was cleared earlier. • Movement from PF -3 requires clearance of SH -43 • To clear SH -43 Point No 141 ,149 & 143 are to be locked in normal setting Observations before derailment • The rake of Garib Rath was standing on PF-3. • On PF-2 rake of Bhavnagar Express was standing. • Both the trains had just arrived half an hour back. G rath Bhavanagar Physical Observations after the incident • Both the tounge rails of Point 141 had moved away from their orignal positions. • One of the wheel was between tounge rail and the stock rail. • The ground connections were intact but the rods were bent. • Point Machine was not damaged. Rollers seem to be O.K. • Point 143 only one of the rod was bent. The wheel had not derailed on this point. Observations after derailment Observations of Point Locks Point 141, which was supposed to be locked for this movement, was found in unlock condition. 39 141 W(R)LR DOWN 01/05/2009 8:36:36:984 Point 143, which was also supposed to be locked for this movement, was found in unlock condition. 41 143 W(R)LR DOWN 01/05/2009 :36:36:984 Indications of Point 141 & Point 143 Obseravtion of Sh & Route Buttons 85 SH47 GNP1R UP 01/05/2009 08:38:44:672 104 SH47 GNP1R DOWN 01/05/2009 08:38:45:594 84 SL UNR UP 01/05/2009 08:38:44:625 107 SL UNR DOWN 01/05/2009 08:38:45:625 SH-47 was operated instead of Sh-43 • SH-47 along with route button was pressed which is for PF-2, and this signal was cleared. • SH-47 will not lock the point no 141 and 143, hence both W(R)LRs were down. • No entry was found about pressing of shunt button SH-43 of PF-3 and hence this signal was not cleared. • HECR of SH-47 was found to be cleared. 121 SH47 HECR UP 01/05/2009 8:38:51:016 Operation of of Sh-47 instead of Sh-43 Actual Time of Derailment 250 141 WKR1 DOWN 01/05/2009 08:45:44:125 Dropping of WKR1 due to the damage of rods of the point 141 is the actual time of the derailment. WKR1 of point 143 dropped after that. 251 143 WKR1 DOWN 01/05/2009 08:46:13:219 Cancellation of Sh-47 • By this time SM on duty came to know about the derailment and he cancelled the Sh-43. 257 STN EGGNR UP 01/05/2009 08:48:10:875 260 STN EGGNR DOWN 01/05/2009 08:48:11:047 295 STN EGGNR UP 01/05/2009 08:52:05:969 296 STN EGGNR DOWN 01/05/2009 08:52:06:141 Data Logger Report Sh Buttons 253 SH47 GNP1R UP 01/05/2009 08:48:10:438 270 SH47 GNP1R DOWN 01/05/2009 08:48:12:438 291 SH47 GNP1R UP 01/05/2009 08:52:05:047 312 SH47 GNP1R DOWN 01/05/2009 08:52:07:781 264 SL UNR UP 01/05/2009 08:48:12:078 272 SL UNR DOWN 01/05/2009 08:48:12:453 300 SL UNR UP 01/05/2009 08:52:07:219 315 SL UNR DOWN 01/05/2009 08:52:07:797 The actual cause • The SM wanted to send the rake of Bhavnagar Express to the yard from P.F. No-2. • He cleared the right Shunt Signal, but gave instruction to the wrong train, which was the rake of Garib Rath. Track Simulation Of
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