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07/11/2010

Improved Anti Collision Device (ACD) to be Tried on Southern Railway from 10th November 2010

Improved Anti Collision Device (ACD) to be Tried on Southern Railway from 10th November 2010

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Continuing efforts to reduce human error and enhance safety, Indian Railways will conduct the second set of equipment proving trials with the modified Anti Collision Device (ACD) on the electrified, multiple-line automatic signaling section in southern Railway from 10th November 2010, on the Chennai-Arrakonam section. The first set of trials was done in the same section in September-October 2010. The trials are aimed at providing a fair opportunity for success of the indigenous technology.
Evaluation of the first set of trials had led to modifications and corrections in respect of several software and hardware parameters. Devices with modifications will now be tried out in the second set for making headway in achieving the objective.
The Minister for Railways, Mamata Banerjee has assigned the highest priority to safety and security of passengers. Recently while addressing the Economic Editors’ Conference in Delhi, the Minister announced that Indian Railways has been working sincerely to make its operations totally accident free in a fixed time frame. She has emphasized introduction of technological aids such as safety systems like ACD, Train Protection Warning System (TPWS), and Vigilance Control Device (VCD) etc. to strengthen safety in operation of trains.
Anti Collision Device is an indigenous concept evolved by Konkan Railway Corporation Limited (KRCL) and is based on GPS. The devices which aim at preventing train collisions are to be installed on locomotives of trains and at stations as non-signaling system with no manual interventions to activate braking if collision like situations are detected; at the same time, the devices are also to be dependable so as not to act on spurious signals..
Earlier, this device was put on in-service trials in 2006 as a pilot project on the Northeast Frontier Railway which is predominantly a non-electrified single line territory. Based on experience gained there, specifications of the ACD have had to be revised to improve efficacy, reliability and availability. The current phase of trials in Southern Railway with the modified ACD on the basis of NFR experience is on the multiple electrified lines, including automatic block sections which is available on Chennai-Arrakonam section.
Once the trials are completed and Railways are assured of the capability of the device to provide a dependable anti collision mechanism, it will be implemented in three Railway Zones, namely Southern, South Central and South Western Railways which is already a sanctioned works.

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PME Due Date

Master Circular No. 25



Copy of Railway Board’s letter No. 69/H/3/11 dated 06.12.1974



Subject: Implementation of the Recommendations of the Visual Sub-Committee.



6. Periodical re-examination of serving Railway Employees:



6.l. In order to ensure the continued ability of Railway employees in Classes A l, A 2, A 3, B l and B 2 to discharge their duties with safety, they will be required to appear for re-examination at the following stated intervals throughout their service as indicated below:



6.1.1. Classes A l, A 2 and A 3 —At the termination of every period of three years, calculated from the date of appointment until they attain the age of 45 years, and thereafter annually until the conclusion of their service.



Note: (l) The staff in categories A l, A 2 and A 3 should be sent for special medical examination in the interest of safety under the following circumstances unless they have been under the treatment of a Railway Medical Officer.



(a) Having undergone any treatment or operation for eye trouble irrespective of the duration of sickness.



(b) Absence from duty for a period in excess of 90 days.



(2) If any employee in medical category A has been periodically medically examined at any time within one year prior to his attaining the age of 45, his next medical examination should be held one year from the due date of the last medical examination and subsequent medical examination annually thereafter.



If, however, such an employee has been medically examined, at any time earlier, than one year prior to his attaining the age of 45, his next medical examination should be held on the date he attains the age of 45 and subsequent medical examination annually thereafter.




Ammendment: It was ammended in 1993 as below



Age Group PME Due



Age 00-45 every 4yrs



Age 45-55 every 2yrs



Age 55-60 every year
Details:-
As per Rly Bd's Guideline of Medical Exam issued vide LNo. 88/H/5/12 dated 24-01-1993

a) PME would be done at the termination of every period of 4 years from date of appointment / Initial medical Exam till the date of attainment of age of 45 years, every 2 years upto 55 years & there after annual till retirement.
b) Employees who has been periodically examined at any time within 2years prior to his attaining the age of 45years would be examined after 2years from the date of last PME & subsequent PME for every 2years upto 55years age.Of

NRMU 4 you
SMLokhande





6.1.2. Classes B-1 and B-2—On attaining the age of 45 years, and thereafter at the termination of every period of five years.