Rule 104.5 — Derails

1. (a)The location of each derail will be marked by a sign, unless otherwise directed by special instructions. Employees must be familiar with the location of each derail.
2. (b)A movement or track unit must stop short of a derail set in the derailing position.
3. (c)Each derail, other than a Special Derail or a Blue Flag Derail, must be left in the derailing position.
4. (d)The location of SPECIAL DERAILS will be indicated in the time table or special instructions, will be switch stand operated and identified in the field with a reflective red letter “D” on a reflective yellow target, or a sign indicating “Special Derail” which will be visible when in the derailing position. The following requirements govern their use:
5. (e)All derails must be left secured with a locking device.
6. (f)Derails used in conjunction with blue flags will be in the derailing position only when protection for personnel is required. When protection is no longer required, they will be locked in a non-derailing position.
7. (g)Where hand operated switch point derails are in use, the points must be examined and the target observed to ensure that the derail is in the proper position.

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