What is the signal to dog everything?
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 type of hand signals should be used for crane safety OSHA?
Both hands at waist level, closed fists, thumbs point outward. Arm out, closed fist, thumb pointing down, open and close fingers until load movement complete. Tap head with hand. Then use regular signal to indicate desired action.
Where are crane operator hand signals found?
Crane operator hand signals Using standard hand signals is the most widely used manner of signaling a crane operator. A hand signal chart can usually be found on the side of the crane or it should be conspicuously posted in the vicinity of where hoisting operations are being conducted.
When people are near the load what is the signal person’s responsibility prior to requesting crane movement?
(a) Prior to beginning operations, the operator, signal person and lift director (if there is one), must contact each other and agree on the voice signals that will be used.
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: ยง 1926.1417(y) requires the operator to obey a stop or emergency stop signal).
What is the crane boom?
A crane boom is a long fixed or hydraulic arm that is used to move large objects in construction. It bears most of the weight when positioning a load, and its length determines a crane’s maximum reach. Crane booms take on a variety of roles and appearances depending on the type of crane.
What are the hand signals for a crane?
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.
What is a whip line on a crane?
Another term for “Hoist Rope”. In lifting crane service it refers to the main. hoist. The secondary hoist is referred to as a “Whip Line”.
How many crane signals are there?
There are three different signals for stop, Emergency Stop, Stop, and Dog Everything. When any of these signals are used the operator will halt the crane.
What must the crane operator do if the ability to transmit signals between the operator and signal person is interrupted?
During operations requiring signals, the ability to transmit signals between the operator and signal person must be maintained. If that ability is interrupted at any time, the operator must safely stop operations until signal transmission is reestablished and a proper signal is given and understood.
Can the crane operator be the lift supervisor?
An appointed person may also be a crane supervisor or crane operator in addition to being an appointed person. The role is a very responsible one as the appointed person must have good working knowledge of lifting operations and safe working.
What is emergency stop signal?
The emergency stop signal is a flashing signal to indicate to other road users to the rear that the lead vehicle is braking rapidly due to an emergency situation. The signal will be given by the simultaneous flashing operation of all of the stop or direction lamps.
