HomeMy WebLinkAbout89-29.13(7) CONTUINED
INCLUDE ALL CIRCUITRY REQUIRED TO PROVIDE ALL TIMING AND ALL FUNCTIONS FOR SIGNAL OPERATION IN A
FULLY -ACTUATED MODE. -STANDBY OPERATION SHAkL AUTOMATICALLY OCCUR UPON OPENING OF INrERm4NECT
LINES, FAILURE OF CENTRAL MASTER CD*UrER, OR WHEN SPECIFIED BY THE MASTER. THE STANDBY OPERATION
5+iALL FOLLOW AND BE COINCIDENTAL IN PHASE TO THAT PHASE BEING DISPLAYED AT THE START OF STANDBY
OPERATION. TRANSFER FROM COMPUTER SUPERVISION SHALL NOT CALL UP A STARTING YELLOW .
9-29.13MA ENVIRONMENTAL, PERnX44ANCE AND TEST STANDARDS FOR SOLID-STATE TRAFFIC CONTROL-ERS
(REJ'-ACEMENT SECTION)
THE TRAFFIC SIGNAL CONTROLLER ASSEMBLIES, INCLUDING THE TRAFFIC SIGNAL CONTROLLER, AUXILIARY
CONTROL EQUIPMENT AND CABINET SHALL BE SHOP TESTED TO THE SATISFACTION OF THE ENGINEER. TESTING
AND CHECK-OUT OF ALL TIMING CIRCUITS, PlAASING AND SIGNAL OPERATION 94ALL BE AT THE CITY OF RENTUN
SIGNAL SHOP, RENTON, WASHINGTON. THE SIGNAL SHOP WILL MAKE SPACE AVAILABLE TO THE CONTRACTOR 'OR
THE REQUIRED TEST DEMONSTRATIONS. THE CONTRACTOR SHALL ASSEMk3LE THE CABINET AND RELATED SIGNAL
CONTROL EQUIPMENT READY FOR TESTING. A COMPLETE DEMONSTRATION BY THE CONTRACTOR OF ALL INTEGP-ATEO
COMPONENTS SATISFACTORILY FUNCTIONING SHALL START THE TEST PERIOD. ANY MALFUNCTION SHALL STOP THE
TEST PERIOU LKTIL AL'- PARTS ARE SATISFACTORILY OPERATING. THE TEST SHALL BE EXT-NDED UNTIL A
MINIMUM OF 72 HOURS CONTINLXXJS SATISFACTORY PERFORMANCE OF THE ENTIRE INTEGRATED SYSTEM HAS BEEN
DEMONSTRATED. THE DEMONSTRATION BY THE CONTRACTOR TO THE ENGINEER OF ALL COMPONENTS FUNCTIONING
PPAPERLY SHALL NOT RELIEVE THE CONTRACTOR OF ANY RESPONSIBILITY RELATIVE TO THE PROPER FUNCTIONING
OF ALL AFORESTATED CONTROL GEAR WHEN FIELD INSTALLED.
9-29.13(7)B ALMILIARY EQUIPMENT FOR TRAFFIC ACTUATED CONTROLLERS (RE?LACEAENT SECTION)
POWFP SlITCHES
THERE SHALL BE A MAIN POWER SWITCH INSIDE THE CABINET THAT 91ALL RENDER ALL CONTROL EQUIPMENT
R F TRICALLY DEAD WHEN TURNED OFF. THERE SHALL BE A CONTROLLER POWER SWITCH THAT SHALL RENDER THE
CONTROLLER AND LOAD SWITCHING DEVICES ELECTRICALLY DEAD WHILE MAINTAINING FLASHING OPERATION FOR
PLF*`OSES OF CHANGING CONTROLLERS OR LOAD SWITCHING DEVICES.
STOP TIME BYPASS SWITCH
THERE SHALL BE A SWITCH IN THE CABINET IDENTIFIED AS THE STOP TIME BYPASS SWITCH. IF THE
INTERSECTION IS PLACED ON FLASHIW', OPERATION EITHER BY THE FLASH SWITCH OR THE FAIL SAFE MONITOR,
THE CONTROLLER SHALL IMMEDIATELY STOP TIME. THE STOP TIME BYPASS SWITCH SHALL REMOVE STOP TIME
FROM THE CONTROLLER AND PERMIT NORMAL CYCLING OPERATION WHILE THE INTERSECTION REMAINS IN FLASHING
OPERATION.
DETECTOR TEST SWITCH
EACH VEHICLE AND PEDESTRIAN PHASE SHALL HAVE A PO4ENTARY (SPRING RETURN) DETECTOR TEST SWITCH.
WHEN DEPRESSED, THE SWITCH SHALL PLACE A CALL ON ITS RESPECTIVE SIGNAL PHASE.
'IDNVENIENCE OUTLET V4D LAMP SOCKET
A CONVENIENCE OUTLET PROTECTED WITH A GROUND FALX.T INTERRUPTER AND AN INCANDESCENT LAW SOCKET
SHALL BE FURNISHED IN THE MAIN CABINET. A DOOR SWITCH FOR THE LAW SHALL BE PROVIDED. THIS
CIRCUIT SHALL BE PROTECTED BY A CIRCUIT BREAKER RATED AT 20 AMPS.
FAIL SAFE UNIT
THE FAIL SAFE UNIT SHALL MONITOR BOTH -HE POSITIVE AND NEGATIVE PORTIONS OF THE A.C. SINE WOVE FOR
ALL GREEN, AMBER AND PEDESTRIAN WALK I11DICATIONS. THE DURATION OF A DISPLAY OF CONFLICTING
INDICATIONS SHALL NOT BE LONG ENOUGH TO BE VISIBLE TO MOTORISTS OR PEDESTRIANS BEFORE THE MONITOR
INITIATES FLASHING OPERATION. THERE SHALL BE A VISUAL INDICATION THAT THE MONITOR HAS PREEMPTED
NORMAL OPERATION.
,upplemental Specifications
(Re� 05/01/86) Page 56
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