American Audio VELOCITY - REV 4-05 Betriebsanleitung PDF herunterladen (Seite 105)

METRO RAIL DESIGN CRITERIA SECTION 9 / SYSTEMS

DE304.09 9-100 Revision 4 : 05/09/12

Metro Baseline Re-Baseline: 04/29/10

4. Subsystem devices, conduits, trays, distributed antenna cables and other

fire/live safety communication installations CANNOT be mounted in the

proximity or the train dynamic envelope and passenger emergency egress,

such as safety walks and emergency exits. For example, subsystem

devices, conduits, trays, distributed antenna cables and other fire/live safety

communication cannot mounted anywhere directly above the LRV

pantograph.

5. Subsystem devices, conduits, trays, distributed antenna cables and other

fire/live safety communication installations shall be not conflict with other

tunnel installations and shall not come closer than 6 inches to the vehicle

dynamic outline at any point in the tunnels.

9.5.4 Communications Power System

All Stationery Systems Equipment shall be powered from stationary battery/rectifier

or UPS plants, as applicable.

A. Batteries

Batteries in yards and ROC battery rooms shall be gel sealed batteries, non-

outgassing storage type of long-duration/low-rate. .

B. Rectifiers

Rectifiers shall be dual and load-sharing, with each rectifier capable of supplying

full equipment load while recharging a fully discharged battery.

C. Battery Racks

Battery racks shall be not larger than two-tier configuration, and shall be

constructed with seismic bracing in accordance with the UBC Requirement For

Seismic Zone Four.

D. Voltages

Battery/rectifier plant voltages shall be as follows:

Battery voltages for other communications equipment shall be compatible with

the equipment requirements.

E. Sizing

Battery sizing shall provide full load for a minimum 4 hours of main AC power

outage.

F. Recharge Time

The recharge time of a battery plant shall not be greater than four times the

discharge time period, e.g., discharge 4 hours, recharge 16 hours.

1 2 ... 100 101 102 103 104 105 106 107 108 109 110 ... 190 191

Keine Kommentare

American Audio VELOCITY - REV 4-05 Betriebsanleitung Seite 105