Tender invited for Development of Train Collision Avoidance System

ISO 9001: 2008 Effective from 18.06.2012 RDSO/SPN/196/2012 Version 3.1.1
Document Title : Specification of Train Collision Avoidance System
Loco unit equipment for ease of maintenance. Sufficient ventilation shall be
provided for the equipment cabinets and enclosures in which active equipment
are housed.
7.6 The TCAS equipments shall not be prone to theft/interference. Suitable antitheft
arrangements to be made for equipments located at unmanned locations.
7.7 TCAS shall self-check continuously its own functioning including
transmission/reception of information. Any improper functioning shall be
advised to Loco Pilot and shall be recorded automatically in its log. This log
shall be further transmitted to the Centralized Management System through
suitable communication means. Loco unit shall also transmit the log directly to
Centralized Management System through GSM, whichever network coverage
is available. TCAS failures management procedure shall be defined for train
operation staff (Loco Pilots & Station Managers).
7.8 In case Loco unit fails due to any reason & its communication is working, it
shall transmit its failure message.
7.9 TCAS OCIP design shall be human friendly and shall take into account human
capability to see, communicate, comprehend and act reliably to functions and
circumstances required.
7.10 TCAS equipment must record information to an accuracy which shall enable a
clear view of the way in which loco has been driven so as to reconstruct a
certain situation (accident, equipment performance and Loco Pilot’s action).
Retention period of the recorded data will have two levels. Data to enable
investigation of accidents need only to be stored for 72 hours and shall be
detailed. Maintenance data, which will help in maintaining the TCAS, must be
stored for 90 days. It shall be possible to down load and reconstruct the
recorded data on a portable PC.
7.11 TCAS, if required to be shifted from its designated location regularly for
operational reasons, shall be so constructed that it could be transported quickly
and in such situations TCAS shall be provided with anti-theft arrangement.
7.12 The TCAS shall be networked and Centralized Management shall be provided
for Monitoring, Diagnostic and Maintenance Purpose.
7.13 Version update of station data because of change in station layout, yard
modification / remodelling, alteration in signalling etc. shall be incorporated in
the station unit prior to its installation / commissioning. Non correspondence
between the station unit data version and station layout should be given as text
message, recorded and logged as a failure.
8. Logging of events
8.1. Logging of events shall be done with date, time and location stamp. Time
reference for the entire TCAS network should be synchronized. Logging shall
be done every second. In addition, logging shall also be done based on
occurrence of certain events.
8.2. Following events related to dangerous situations shall be logged along
with date, time and location stamp in all TCAS units.
♦ Head On Collision
♦ Rear End Collision
♦ All SOS and alert messages
♦ Train parting
♦ Side Collision
8.3. Following events of failures/abnormal/ Specific conditions and their recovery
shall be logged along with date, time and location stamp in relevant TCAS unit.
♦ Failure of System to indicate the position.
♦ Communication failure of Loco units
♦ Input failures wherever applicable
♦ Failure of TCAS unit due to any reason shall be logged in central server
Signal Directorate RDSO/Lucknow Page 32 of 56