SAFE WORK FOUR Flashcards
WHAT IS MANUAL BLOCK WORKING
PREVENTS RAIL TFC ENTRIES INTO OCCUPIED BLOCKS
TWO TYPES OF MANUAL BLOCK WORKING
BASIC BLOCK WORKING
CAN BLOCK WORKING
5 REASONS MANUAL BLOCK WORKING
SPECIFIED IN OTHER NETWORK RULES
A TRAIN HAS BEEN ADVERTISED AS A BLOCK TRAIN
RAIL TFC DOES NOT RELIABLY OPERATE TRACK CCTS
SIGNALLER NEEDS TO BLOCK WORK RAIL TFC
SIGNALLING SYS IS NOT RIGHT OR MIGHT NOT BE OPERATING CORRECTLY
THE AUTHORITY TO ENTER AND OCCUPY A BLOCK UNDER MANUAL BLOCK WORKING IS
CLEARING OF THE SIGNAL ALLOWING ENTRY
THE AUTHORITY OF THE HS AT A BLOCK POST
PASSING SIGNALS AT STOP IN ACCORDANCE WITH NSG608
BASIC BLOCK WORKING LIMITS
STARTING TO NEXT ACCEPT
CAN BLOCK WORKING LIMITS
BLOCK POST AT EACH END WITH TRAFFIC STOP RAISED
AUTOS IN BETWEEN WITH TRAFFIC STOP SUPPRESSED
WRONG RUNNING DIRECTION SPEED LIMIT AND WHY
40 KMH
MAX SPEED U CAN TRAVEL WITHOUT TRIPPING TRAIN STOP
NAME THE TWO TYPES OF MANUAL BLOCK WORKING
BASIC
CAN
WHO AUTHORISES THE INTRODUCTION OF CAN BLOCK WORKING
NETWORK CONTROLLER
WHO CAN INTRODUCE BASIC BLOCK WORKING
SIGNALLER
IN CAN BLOCK WORKING IS THE CAN FORM THE AUTHORITY TO ENTER THE BLOCK
NO
AUTHORITY OF THE HS
IF AN AUTO SIGNAL IS USED AS A LIMIT OF CAN BLOCK WORKING WHO MUST BE PLACED AT THAT SIGNAL
HS
HOW MUST RAIL TFC BE WORKED IF THEY DO NOT OPERATED THE TRK CCTS CORRECTLY
BASIC BLOCK WORKING
CAN BLOCK WORKING MAY BE USED ON WHAT LINES AND FOR WHAT DIRECTION
UNI DIRECTIONAL IN RIGHT RUNNING DIRECTION OF TRAVEL
UNRELIABLE TRK CCT OPERATION
REPORT TO NETWORK CONTROLLER
NETWORK CONTROLLER MUST TREAT THE OPERATION OF TRK CCTS NOT BEEN TRAVELLED ON 72 HOURS OR MORE AS UNRELIABLE
HOW WOULD TRK CCT BE TREATED IF IT FAILED TO DETECT THE PRESENCE OF A TRAIN
AS FAILED
UNRELIABLE
HOW WOULD THE RAIL TFC BE WORKED IF THE TRK CCT OPERATION FAILED
BLOCK WORKED
GENERALLY WHAT IS THE MINIMUM TIME INTERVAL ALLOWED BETWEEN TRAIN MOVEMENTS BEFIRE TRK CCTS ARE CLASSED AS UNRELIABLE
72 HRS
WHAT DOES RAY SAY A SPA IS
SIGNAL WRITTEN ON PAPER
WHAT IS A SPA
MAY BE USED TO AUTHORISE RAIL MOVEMENTS WHEN THE PROCEED AUTHORITY NORMALLY PROVIDED BY THE SYSTEM OF SAFEWORKING IN OPERATION IS NOT AVAIL
5 REASONS A SPA MAY BE USED
WRONG RUNNING DIRECTION MOVEMENT ON UNI DIRECTIONAL PORTION OF TRK OUTSIDE YL
LOSS OF TOKEN IN PILOT STAFF WORKING
PASS A STARTING OR HOME STARTING SIGNAL AT STOP IN BI DI PORTION OF LINE
TO RETURN TO THE INTERLOCKING IN THE REAR WHEN TRAVELLING ON A PILOT STAFF TICKET
RETURN TO THE START IN A BI DI SECTION IF THE SIGNALLING SYS HAS FAILED
WHY CAN BLOCK WORKING
WHEN A NUMBER OF AUTO SIGNALS ARENT WORKING
WHY BASIC BLOCK WORKING
WHEN TRAIN ISNT ACTIVATING NORMAL SIGNALS
CHANGING ENDS BI DI
IF YOU CANNOT SEE SIGNAL NEED SPA TO PROCEED
AUTHORISES TO NEXT SIGNAL
SPA DEF
USED WHEN NORMAL PROCEED AUTHORITY IS NOT AVAIL
CAN YOU HAVE TWO AUTHORITIES IN EFFECT AT THE SAME TIME
NO MAX ONE
WHEN MAY A SPA BE CANCELLED
NETWORK CONTROLLER ASSURED THAT THE AUTHORISED MOVEMENT HAS NOT STARTED OR HAS NOT BEEN COMPLETED
AFFECTED QW HAVE BEEN TOLD THE SPA WILL BE CANCELLED
WHEN MUST A SPA BE FULFILLED
NETWORK CONTROLLER IS ASSURED THAT THE AUTHORISED MOVEMENT HAS BEEN COMPLETED
AFFECTED QW HAVE BEEN TOLD THAT THE SPA WILL BE FULFILLED
CAN A SPA AUTHORISE MOVEMENTS THROUGH AND BEYOND AN ATTENDED LOCATION
YES
AUTHORISE THE LINE BUT NOT THE RTE TO BE TAKEN
GIVE FOUR EXAMPLES OF WHEN A SPA MAY BE ISSUED
WRONG RUNNING DIRECTION ON UNI DI LINE OUTSIDE YL
LOSS OF TOKEN PILOT STAFF WORKING
PASS STARTING, HOME STARTING AT STOP IN A BI DI PORTION OF LINE
RETURN TO START IN BI DI SECTION IF SIGNALLING SYS HAS FAILED
A SPA MUST BE COMPILED AND ISSUED ON SPA FORM WHICH SPECIFIES
LIMITS OF AUTHORITY FOR THE MOVEMENTS THAT IT AUTHORISES
LINE TO BE USED BUT NOT THE ROUTE
WHO AUTHORISES RAIL VEHICLES TO TRAVEL UNDER A SPA
NETWORK CONTROLLER
HOW FAR ARE YOU PERMITTED TO TRAVEL IF A SPA AUTHORISES A MOVEMENT THROUGH OR BEYOND AN ATTENDED OR REMOTELY CONTROLLED LOCATION
TO ARRIVAL END OF YL
THEN THE SIGNALLER HAS AUTHORITY
PROTECTING RAIL TFC
3 D’s
DERAILED
DIVIDED
DISABLED
TRAINS REQUIRE PROTECTION IF
THEY NEED ASSISTANCE
THEY OBSTRUCT OR MIGHT OBSTRUCT ADJ LINES
THE LINE IS OBSTRUCTED