American Audio VELOCITY - REV 4-05 Betriebsanleitung PDF herunterladen (Seite 96)

METRO RAIL DESIGN CRITERIA SECTION 9 / SYSTEMS

DE304.09 9-91 Revision 4 : 05/09/12

Metro Baseline Re-Baseline: 04/29/10

B. The telephone service shall include emergency, maintenance, administrative

telephones, and passenger assistance intercom at passenger stations, wayside,

the ROC, and the Yard, served by Metro private telephone system. In keeping

with regulatory practice, all emergency and patron assistance telephone

communications shall be recorded.

C. Public address (PA) services shall provide a fully supervised PA subsystem at

each passenger station, the Yard and shop buildings with access and control

from various locations. The PA subsystem shall be used to provide routine

announcements and emergency warning information. The PA subsystem shall

at the Yard and Shop buildings shall allow announcements from designated

Yard and Shop phones to be directed to any one or multiple simultaneous

zones.

D. Closed circuit television (CCTV) shall provide means of surveillance of

passenger stations, the vehicle storage area, and other areas as required.

E. The cable transmission subsystem (CTS) shall provide the primary means of

information transmission between the ROC, passenger stations, wayside

facilities (as required), and the Yard and Shop.

F. The Supervisory Control and data acquisition (SCADA) subsystem shall provide

a master control station at the ROC and wayside interfaces for remote

monitoring and control of train operations, traction power and station and

wayside facilities.

G. Intrusion Detection and Controlled Access

The Intrusion Detection and Controlled Access shall provide a master station at

the ROC and remote wayside devices for remote monitoring and control of

secure facilities access.

H. Rail Operations Control (ROC)

The ROC subsystem shall provide unique equipment to support other systems,

such as traction power, train control (TC), and the Environmental Control

System (ECS). Included in this location are data processing equipment, control

consoles, radio support interface equipment, Metro private telephone system,

hub equipment for CTS, voice logging recorders, video monitors and recorders,

data recorders, displays, and control panels.

I. Gas Monitoring system (For underground systems)

A fully supervised gas monitoring subsystem shall be installed as required by

results of soil sample test conducted during station construction and compliance

with the Environmental Impact Study (EIS). Gas monitoring controller

equipment, integrated with the station fire system and ROC SCADA, shall be

located in the train control and communications (TC & C) room and

communicate with sensor heads installed at designated locations as necessary

for the detection of the presence of specific gases at alarm concentrations.

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American Audio VELOCITY - REV 4-05 Betriebsanleitung Seite 96