What does dog everything mean?
Dog Everything: Clasp hands in front of the body. Means PAUSE. This signal can be used on potentially risky occasions such as when it has started raining, when the load doesn’t fit the space for which it was planned, or when a bystander gets too close to the action.
What are the crane signals?
There are three common boom signals: Raise boom: Extend an arm outward and point the thumb upward with a closed fist. Lower boom: Extend an arm outward and point the thumb downward with a closed fist. Swing boom: Extend an arm outward, pointing with an index finger in the direction the boom should swing.
Which of the following hand signals the crane operator must obey no matter who gives it at a site?
The crane operator must obey a stop (or emergency stop) signal no matter who gives it. The operator also has the authority to stop operation whenever there is a concern as to safety.
What is this crane hand signal shown with the arm extended palm down and moving the arm back and forth horizontally?
EMERGENCY STOP: Both arms extended, palms down, move both arms back and forth horizontally.
Who can give a stop or emergency stop signal?
Anyone who becomes aware of a safety problem must alert the operator or signal person by giving the stop or emergency stop signal. (Note: § 1926.1417(y) requires the operator to obey a stop or emergency stop signal).
What marking must be clearly visible on a crane?
Answer: Point with a finger in direction of swing of a boom.
What is a whip line on a crane used for?
Whip Line Secondary hoist line. Winch Function of lifting and lowering loads. during the raising and lowering of the load with the winch. Winch Rope The wire rope used to reeve the block and the attachments for lifting loads.
What are the three elements required in every voice signal?
Each voice signal must contain the following three elements, given in the following order: function (such as hoist, boom, etc.), direction; distance and/or speed; function, stop command. The operator, signal person and lift director (if there is one), must be able to effectively communicate in the language used.
How often do you load test a crane?
4. Periodic Inspection. Like the Frequent Inspection, the frequency of the Periodic Inspection is based on the usage of the crane. For this inspection, cranes which are used for “normal service” and “heavy service” should be inspected yearly.
