Quiz 2

Rule 241 passing a stop signal

Rule 241 passing a stop signal

must have verbal permission of a dispatcher

241. before giving permission to pass a stop signal dispatcher must determine that

1. Affected appliances are properly positioned and secured with blocking devices. If the position of a switch cannot be determined the route must be inspected

2. No opposing or conflicting movements have been authorized

3. Blocking devices have been applied to protect against opposing movements whenever the stop signal involved governs entrance to a track where rule 261 is in effect

Rule 241 script

(Train#, Engine#) Pass STOP signal on (#starting track) at (location) and proceed (direction) to (ending track)

SLIDE

• Starting track

• Location

• Id of train

• Direction

• Ending track

241 D stopped at a signal protecting movable bridge

Qualified employee must determine rails are properly lined and bridge is safe for movement before verbal permission is given to pass the signal

1. When the signal cannot be displayed for first movement over bridge

2. At anytime a bridge unlock indication is received

241 E Stop signal disregarded

1. Attempt to stop that train and other trains involved

2. notify the next Tbs or interlocking station

242 Absent or imperfectly displayed signals

Movement must be governed by the most restrictive indication that can be given by that signal. This absence must be reported to dispatcher immediately

500) Occupying or fouling ABS territory

A train must not enter or foul abs territory without

1. A proceed indication on a controlled signal

2. Verbal permission of the dispatcher

501) Reverse movement within the limits of the same block

When preceded by a crew member they can make a small move on their own

Without a crew member, they need verbal permission from dispatcher

502) Reverse movement beyond limits

• 251 and DCS territory a form D line 2

• 261 clear, stop, block

601) Interlocking and controlled point signals, interlocking appliances: operation repair, and malfunction

When these devices are undergoing repair or when any irregularity affecting their operation is detected, two actions must be taken:

1. Stop signals must be displayed and blocking devices applied to all affected signals and interlockings

2. Defects must be reported promptly to the dispatcher and the signal maintainer

602) Interlocking or controlled point signals: rerouting trains

The signal must not be changed to stop position until

1. The train has been stopped

2. The engineer has been informed of the situation and has been advised the dispatcher that he can stop before reaching signal

604) Interlocking appliances: locking

If impossible to lock an interlocking appliance

1. All control mechanisms must be placed in require position and blocking devices applied

2. Properly lined, spiked, and wedged

605) Movements that might not shunt

Track car movements may be made on signal indication except for rates that lead to ABS or DCS territory

606) Rust on rails or wheels

Switches must not be operated until movement has been completed

• in towers put red cans on switch lever

• These blocking devices need not to be recorded nor reported to the dispatcher

612) Reversing Direction within an interlocking

1. Proper interlocking signal

2. If the signal indication is not possible, the movement must be governed by rule 613

613) Movements not governed by fixed signal indication within interlocking limits

Dispatcher must determine

1. Affected appliances are properly positioned and secured with blocking devices. If the position of a switch cannot be determined, the route must be inspected

2. No opposing or conflicting movements have been authorized

3. Blocking devices have been applied to protect against opposing movements

AMT-4

7. Failure of power-operated switches

• Power operated switch fails to lock

• The operator must restore the lever as far as possible to the original starting position

AMT-4

8. changes in, failure of, or damage apparatus

If maintainer cannot restore the facility in a reasonable time, a ‘ signal facility out of service notice (Form C&S 39) will be completed and afforded to dispatcher or operator

AMT-4

12. Rusted or sanded rails

1. Notify the dispatcher by completing form AMT 4-11, Rusty rails notice which must be signed by dispatcher or operator

2. Apply approved blocking devices to the affected levers and attach rusty rails sign

AMT-4

12. Rusted or sanded rails

    part C Blocking device may be removed and levers operated until

1. Positive visual observation

2. or Communication with a member of the crew

AMT-4

15. Air pressure at Electro-Pneumatic Interlockings

    Low air alarm goes off

1. As soon as possible, line essential switches for the routes most likely to be used

2. Notify the maintainer and dispatcher

AMT-4

15. Air pressure at Electro-Pneumatic Interlockings

    Operation of switch levers is prohibited unless

1. Air pressure has been restored to normal

2. Or authority to do so has been received from the maintainer on the ground

low Air pressure alarm actuates at

45 pounds

If a switch line is for straight route it is

Normal

Switch line is for a diverted route it is

Reverse