Final test part 2-5
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When work is to be performed adjacent to, or with the potential to foul main tracks, or when one track is out of service and it is necessary to provide protection of workers and equipment from trains on adjacent tracks, working limits may be established by ___ _ ___ _ or by ______ ___.
Form M Line 4 or by bulletin order.
Working limits will be defined in the bulletin order or Form M by track and ____ ___.
If there is an interlocking between the Approach Sign and the working limits stop sign,a _____ ____ ___ must be placed on each track where it is possible to reach the affected track.
Diverting approach sign.
The Bulletin Order or Form M designating the working limits will indicate the _____ ____ of the employee governing entrance to the working limits
Mobil unit number.
Trains and track cars approaching the working limits will contact the designated Mobil unit not later than when passing the _____ ___ or _____ _____ ___.
Approach sign or diverting approach. Providing their symbol number, direction of travel if an extra train and track.
The employee governing entrance to the working limits must determine that all _____and ______ are clear of the affected track prior to giving trains and track cars permission to pass the working limits stop sign.
Persons and equipment.
The employee governing entrance to working limits, in giving permission to pass the working limits stop sign, will designate an allowable speed through the working limits. If no speed is designated, trains will operate at____ ___, betwwen the working limits stop sign and working limits resume speed sign.
Trains must immediately begin reduction to medium speed upon passing the approach sign or diverting approach sign and must approach the working limits stop sign prepared to stop, except in the following cases:
1) trains passing the diverting approach sign that are able to tell by visual observation of the switch points or by communication with the RTC.
2) trains given permission to pass the working limits stop sign at MAS, may proceed at MAS.
3) trains given permission to pass the working limits stop sign and operate at a speed higher than medium speed but less than MAS through the working limits must begin reduction to that speed upon passing the approach sign or diverting approach sign.
Trains will.not pass the Working Limits Stop Sign unless authorized to proceed by
Verbal permission of the employee governing entrance to the working limits
A proceed signal with a yellow flag by an employee stationed at the working limits stop sign.
If no working limits stop sign is visible at designated locations, trains will attempt to contact the designated Mobil unit for permission to proceed. If the Mobil unit cannot be contacted, the train will not enter the working limits and will contact?
The RTC for instructions.
If the working limits resume speed sign is missing, the train may resume MAS after ____ ___ ____! ____ _____following the location shown in the Bulletin Order or Form M as the end of working limits.
Passing the next whole milepost.
In MBS territory when working limits are established by Bulletin Order or Form M Line 4, a blocks clear indication on Form M Line 11 does not convey the block is unoccupied witching _____ _____.
Before foul time is authorized, the RTC must determine?no train or track cars are approaching the location to be protected from the nearest ____ or ____ ____ on the affected track, and that no trains or track cars have been authorized to use the affected track.
Interlocking or block limit.
RTC's must set signals governing entrance to the affected track to ____ and ____ _____ _____.to the controls of all signals and switches leading to the protected track.
Stop and apply blocking devices.
In granting foul time, the RTC will provide the RWIC with the following information:
1) track designation
2) limits of protection
3) time limits
4) the time blocking devices were applied.
The RWIC requesting foul time must repeat the permission to the RTC before foul time becomes effective. A computer generated message will be transmitted electronically to the RWIC requesting the track with a BDR code. Once foul time is granted by the RTC?
It must be maintained until the RWIC reports clear of the track.
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