American Audio VELOCITY - REV 4-05 Betriebsanleitung PDF herunterladen (Seite 136)

METRO RAIL DESIGN CRITERIA SECTION 9 / SYSTEMS

DE304.09 9-131 Revision 4 : 05/09/12

Metro Baseline Re-Baseline: 04/29/10

AHJ approval). In this case, the notification devices must be marked “EVAC”

and “Evacuation” instead of “FIRE”. Coordination with the gas system design

will be required.

Additional design may be required to accommodate changes in code.

9.14.3 Device Placement

At minimum, the design shall comply with the code requirements and shall include

additional provisions required by AHJ. Devices should be placed as follows, at a

minimum. Additional devices may be required (or may be deleted) per AHJ.

A. Smoke detectors:

• TC&C rooms and buildings

• TPSS rooms and buildings

• Signal and radio bungalows

• All ancillary rooms

• Elevator lobbies

• Cross passages

B. Heat detectors:

• High voltage areas (such as TPSS’s and Auxiliary power rooms)

• Elevator equipment rooms

C. Duct detectors shall be installed as required by code

D. Audible and visual notification devices:

• TC&C rooms and buildings

• TPSS rooms and buildings

• Signal and radio bungalows

• Public areas in underground and aerial stations

• All ancillary rooms

• Stand alone TC&C, TPSS, and Signal buildings shall additionally have one

strobe mounted outside the main entrance door.

E. Manual pull stations in Stand Alone buildings:

• TC&C buildings

• TPSS buildings

• Signal and Radio bungalows

F. Manual pull stations in Underground and Aerial Stations - at the AHJ’s

discretion, manual pull stations shall be replaced by ETELS. The ETELS used

for this purpose shall have fault reporting to the FCP. The ETELS shall be

installed in the following areas:

• Public areas

• Areas of egress (emergency stairs, corridors, and hatches)

The number and placement of all devices shall be determined by code. All devices

must be accessible per Metro Fall Protection Policy for maintenance, and shall not

be installed directly over high voltage equipment. If a device cannot be accessed

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American Audio VELOCITY - REV 4-05 Betriebsanleitung Seite 136