![]() ![]() Lower boom – In order to lower the boom the signal person will extend an arm horizontally and signal thumbs down, with a closed fist.Raise boom – To raise the boom, a signal person will extend an arm horizontally to the side of their body and signal thumbs up, with a closed fist.Dog everything – This signal will stop all activity and is performed by clasping hands together and placing them at waist level.īoom signals will inform the crane operator of which maneuver they should perform with the boom. ![]() ![]() Stop – In order to pause or stop an action, the signal person will extend a single arm and face their palm down they will then begin to swing the extended arm back and forth.Emergency stop – A signal person will communicate an emergency stop by extending both arms horizontal of the body with palms faced down, from this position they will swing their arms back and forth.When stop signals are used operation of the equipment must be halted. Stop signals are one the most important crane hand signals used on a construction site. OSHA enforces standards and training requirements for safe working environments across multiple industries, including construction in the United States. The Occupational Safety and Health Administration (OSHA) standard method of signaling must be used when operating a crane unless non-standard crane hand signals are discussed during the pre-job meeting. The crane hand signal person is also responsible for preventing injury and accidents to the best of their ability, this is done by following strict procedure during crane operation, for instance standing in clear view of the crane operator, ensuring the operating area is clear of people or hazardous objects and performing one signal at a time to avoid confusion. The trainee signal person is required to grasp an understanding of the large library of signals without any memory prompts and show competence in recalling these during an examination by a third-party provider. In training, a person will not only develop an understanding of standard crane hand signals, but they will also be required to become familiar with many different types of cranes, how each crane functions and any hand signals specific to particular equipment. The Role of a Crane Hand Signal PersonĪs the eyes and the ears of a dedicated area or crane, a crane hand signal person carries many responsibilities.īefore a person can direct the operation of a crane they must first undergo formal training and complete a qualification in crane signaling. There are also times when an operator’s directional visibility is obstructed or the visibility of a load area is partially blocked, conducting a lift within these types of conditions can put the operator and the workers around them at serious risk of injury.Īlthough it is recommended to use crane hand signals during all lifts, it is in these situations when a signal person will definitely be called upon.Įasy to understand, crane hand signals help the operator avoid any potential hazards, completing actions in a safe and timely manner. They produce a high level of noise from activities such as digging, piling, and drilling, therefore it can be difficult to convey instruction in an accurate and time efficient way. ![]() This age-old technique is used by crane operators across the world, aiding them to accurately receive unmistakable directions without the need for fancy equipment or even words! A Simple SolutionĬrane hand signals provide a simple solution for the communication issues faced by crane operators.Īlthough radios can be used to relay messages across the site, there are some situations when an operator will need extra assistance.Ĭonstruction sites are loud. So how does an operator, with a load suspended in air, follow instructions from their team? Using the simple but effective method of crane hand signals. With absolute precision and accuracy needed for a job, being able to clearly communicate direction is critical – but this is not always an easy task.Ĭonstruction sites can be exceptionally loud and busy, meaning verbal communication is at risk of being drowned out by roaring machinery. Using crane hand signals while working in-sync with your team on the ground is not only crucial for safety but can help your project run smoothly, on schedule and keep the boss happy. ![]()
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