08.B Signal Systems, Personnel and Procedures.
08.B.01 A standard signal system must be used on all operations.
- Hand signals for crane operations must conform to ANSI/ASME B30 series. > See Figure 16-1 .
- Traffic flagging procedures must be in accordance with the DOT Federal Highway Administration's MUTCD.
- For Marine signals, see Section 19 of this manual.
- For helicopter hand signals, see Section 16.P of this manual.
08.B.02 Standard hand signals must be posted at the operator's position, signal control points and other points as necessary to inform those concerned.
08.B.03 Manual (hand) signals may be used when the distance between the operator and signal person is not more than 100 ft (30.5 m). Radio, telephone, or a visual and audible electrically-operated system must be used when the distance between operator and signal person is more than 100 ft or when they cannot see each other.
08.B.04 A signal person must be provided when the point of operation (includes area of load travel and area immediately surrounding the load placement) is not in full view of the vehicle, machine, or equipment operator; when vehicles are backed more than 100 ft (30.5 m); when terrain is hazardous; or when two or more vehicles are backing up in the same area.
- Note: This applies to all equipment operations covered in Section 18.
08.B.05 A flag person or other controls must be provided when operations or equipment on or next to a highway create a traffic hazard. An exception must be made only when an adequate mechanical signaling or control device is provided for safe direction of the operation.
08.B.06 Where manual (hand) signals are used, only one person must be designated to give signals to the operator. This signal person must be located to see the load and be clearly visible to the operator at all times.
08.B.07 Flag signaling must be accomplished by use of red flags at least 18 in (45.7 cm) square or sign paddles. In periods of darkness, red lights must be used.
08.B.08 High visibility apparel must be worn by flag and signal persons. > See Section 05.F.
08.B.09 Signal systems must be protected against unauthorized use, breakage, weather, or interference; any malfunction must be cause to stop all work.
08.B.10 Only persons who are competent and qualified by experience and/or training with the operations being directed must be used as signal persons.
08.B.11 Signal persons must back one vehicle at a time. While under control of a signal person, the driver must not back or maneuver until directed and the driver must stop when visual contact with the signal person is lost.
- Note: This applies to operations covered in Section 18.
08.B.12 The signal person must have a warning device of clear range and penetrating sound to warn persons when the load is coming in so they have time to get in the clear.
- Note: This applies to operations covered in Section 18.
Knowledge Check Choose the best answer for the question.
8-7. Manual (hand) signals may be used when the distance between the operator and signal person is not more than _____.
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