APPENDIX A
Normally Deployed Active Barrier Safety System
Signal for that barrier shall change from Green to Yellow for 3 seconds and
then to Red. If the barrier is closed when its Manual - Auto - Local mode
switch is placed in the Local position, the Traffic Signal will already be
Red and shall stay Red as long as the selector switch is in the Maintenance
position. When the barrier's Manual - Auto - Local mode switch is returned
to the Manual or Auto positions, the Traffic signal shall stay Red if the
barrier is closed or shall change to Green if the Barrier is open.
3.5 OUTBOUND ENTRAPMENT AREA: A VPD located immediately in front of the
final barrier's STOP line shall detect a vehicle's presence in the entrapment
area. If the final barrier is closed, a signal shall be sent to the guard in
the Gatehouse notifying him/her of the vehicle's presence. The signal shall
cause a short audible noise to alert the guard and shall turn on a Red
indicating light until the final barrier is open.
SECTION 34 41 26.00 10 Page 56
Summary :
APPENDIX A Normally Deployed Active Barrier Safety System Signal for that barrier shall change from Green to Yellow for 3 seconds and then to Red. When the barrier's Manual - Auto - Local mode switch is returned to the Manual or Auto positions, the Traffic signal shall stay Red if the barrier is closed or shall change to Green if the Barrier is open.
Tags :
shall,barrier,signal,red,final,manual,auto,closed,switch,local,area,change,mode