American Audio VELOCITY - REV 4-05 Betriebsanleitung Seite 46

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METRO RAIL DESIGN CRITERIA SECTION 9 / SYSTEMS
DE304.09 9-41 Revision 4 : 05/09/12
Metro Baseline Re-Baseline: 04/29/10
operating malfunctions. Bi-directional single-track operation shall enable
service around unusable sections of track.
2. Train operations in the reverse direction of traffic shall be done with vehicles
with fully functional Automatic Train Protection systems.
3. Interlockings shall enable trains to turn back and / or operate on a single
track.
4. Train locations and movements throughout the main line shall be displayed
at ROC.
5. All movements of trains between yard tracks and main line tracks shall be
coordinated by Yard Controllers and ROC dispatchers or local control panel
operators. However, trains shall be able to clear and release mainline
tracks, prior to entering yard territory.
D. Performance Requirements
The ATC system shall be designed to address train safety, control train
operations, and direct train movements, with the highest practicable levels of
safety and service. The ATC system shall optimize reliability and maintainability
for efficiency of operation and cost effectiveness. The system shall include the
following:
1. A block design based on the maximum allowable speeds consistent with
track alignment and other speed restriction requirements.
2. Reverse running capability with ATP on each track, with following move
capability.
3. Entry of trains into main line service, with ATP, from any station, terminal, or
yard.
4. The capability of aligning any non conflicting route, controlling traffic, and
performing control functions from ROC or local control panels and the TWC
equipment when neither ROC or local control is in control.
5. Display of all information relative to train operations, including the position
and identification of trains, route alignment, and traffic direction.
6. Centralized control from a control console capable of controlling all functions
for each main line interlocking, as required, and displaying all indications and
trouble alarms necessary for system control and supervision.
7. Automatic or Fleet routing at interlockings.
8. Enforcement of tunnel ventilation zone restrictions of quantity of trains
within a zone.
The main line includes a combination of double track and multiple track railroad,
which shall be signal controlled to provide safe train separation. Operations on
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