American Audio VELOCITY - REV 4-05 Betriebsanleitung PDF herunterladen (Seite 138)

METRO RAIL DESIGN CRITERIA SECTION 9 / SYSTEMS

DE304.09 9-133 Revision 4 : 05/09/12

Metro Baseline Re-Baseline: 04/29/10

access. Gas monitoring equipment shall not be installed over high voltage

equipment.

9.15.2 Seismic Detection Equipment

Seismic switches shall be provided to advise of seismic event of sufficient intensity

to cause potential damage to facilities. The devices shall be installed at intervals and

locations to provide comprehensive coverage. The system shall report a self

resetting minor alarm for events greater than 0.1G and less than 0.2G. The system

shall report a latching major alarm for events greater than 0.2G.

The system shall be fully supervised and report alarm and trouble to the SCADA

RTU.

9.16 CENTRAL CONTROL APPARATUS

9.16.1 General

Apparatus at central control includes console equipment to support various manned

positions, recorders, printers, displays and special processing components.

Digital time clocks synchronized with a reliable, accurate time source shall be

distributed throughout the facility.

An access control system and continuously recording CCTV/Video management

system shall secure the entire facility perimeter and designated rooms. Proximity

card reader access shall be provided.

9.16.2 Controller and CCTV Observer Consoles

Train dispatcher consoles shall have powered sit-stand lifts to independently

position the workspace and monitor surfaces.

Consoles shall be suitably arranged and include adequate surface area,

communications capabilities, workstations, displays and other equipment,

equipment cabinets, environmental conditioning, wire management and lighting as

necessary to support the assigned supervision, control, communications and

administrative functions in an ergonomic manner.

Communications equipment such as radio, public address, VMS, intercom, and

telephone shall be integrated to the greatest extent that is possible while maintaining

high availability and reliability requirements.

9.16.3 Voice Recording

Multi-channel voice recording equipment shall be installed in the communications

equipment room to provide continuous archival records of designated voice

communications.

Recording channels shall typically include one channel for each radio voice channel,

one channel for composite audio for each console operating position, and one

channel for selected managers’/assistant managers’ office phones. The individual

composite console position channel shall record the position headset/handset audio

and include all ATEL, ETEL, PTEL, MTEL, intercom, public address and radio circuit

activity at the position.

9.16.4 Printers

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