American Audio VELOCITY - REV 4-05 Betriebsanleitung PDF herunterladen (Seite 39)

METRO RAIL DESIGN CRITERIA SECTION 9 / SYSTEMS

DE304.09 9-34 Revision 4: 05/09/12

Metro Baseline Re-Baseline: 04/29/10

T. Air Comfort System

An air comfort system shall utilize ventilation, heating and cooling modes to

automatically maintain the following vehicle interior air temperatures:

Ambient Temperature: Ta Interior Temperature: Ti

Ta < 40ºF Ti >

(Ta + 28ºF)

40 degrees F <

Ta < 60ºF 68ºF < Ti < 75ºF

60 degrees F <

Ta < 89ºF 68ºF < Ti < 72ºF

(Interior conditions requiring reheat)

60 degrees F <

Ta < 89ºF 72ºF < Ti < 75ºF

(Interior conditions not requiring reheat)

89ºF < TA <

100ºF Ti < (Ta – 14ºF)

100ºF <

Ta As the system will provide

Maximum interior relative humidity shall not exceed 55%. Maximum air velocity

throughout the car 48 inches above the floor shall be 50 ft. per minute (fpm).

U. Lighting

Interior lighting shall be of a uniform level that provides for reading comfort and

safety of the patrons and vehicle operator. Lighting shall be designed to be

glare-free and utilize long-life, low-power-consumption lamps. Emergency

lighting shall be provided so that patrons can see adequately during vehicle

emergency evacuation in accordance with CPU G.O. 143 B, 5.03, 5.04, 5.05.

Interior lighting levels shall be consistent with APTA's "Transit Security

Guidelines Manual" of 30 or more footcandles as required.

All floors at exits shall be entirely illuminated, without shadows. The lighting

intensity of the surface of the top tread shall not be less than five foot-candles as

required by CPUC General Order 143 B.

Emergency lighting shall be provided and powered by a battery backup system.

The minimum illuminance level and duration of lighting at floor level shall be one

foot candle for one hour.

V. Ride Quality

Vehicles shall be designed to be free from objectionable vibration and shock. All

equipment mounted in the passenger area shall be free from resonance to avoid

annoying audible and visual distraction.

The ride quality shall be evaluated according to ISO 2631. The rms acceleration

values shall comply with, "reduced comfort level" boundaries derived from

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American Audio VELOCITY - REV 4-05 Betriebsanleitung Seite 39