Mobile Crane Inspection Projects ... STANDARD HAND SIGNALS FOR CONTROLLING CRANE OPERATIONS. f���m�m ���=Me��8 )���W��!x>ir��$�(8�P ��h�E;��@GݒQ�.�mP��)K�r�i1� 5��� Take the test and find out how well prepared you are! %PDF-1.5 1926, Subpart CC. Hand signals become especially important when: The operator’s visibility of the load or rigging is impaired The operator cannot see the entire path that the load is to follow <> July 2020. Extend Boom. Crane operators also depend on hand signals to perform different functions with the crane. On construction sites, one of the most important jobs is that of the signal person. LOWER With arm and index finger pointing down, hand and finger make small circles. Ask any crane operator and they will tell you that one of the main factors for a successful project is coordination. Mobile Crane Hand Signal Chart is the best way to keep your crane operator and signal person in the know. Find below examples of standard hand signals used to control mobile crane operations. The point of operation, meaning the load travel or the area near or at load placement, is not in full view of the operator. When using radios or other methods, it must be through a dedicated channel so there is no interference. New signals can be given to the crane operator but they must be agreed upon beforehand by the crane operator(s), signalperson(s) and lift director (if one is used). Indicates mobile crane or truck should drive into position head first. Tap fist on head; then use regular signals. So when your team removes an old rooftop unit and positions a new one, the people on the ground and on the rooftop must use established hand signals to communicate safely with the crane operator. FOR MORE INFORMATION: visit the pages of selected advertisers… Thank you. With forearm vertical, forefinger pointing up, move hand in small horizontal circles. The signal person has many responsibilities and plays an integral part in the safety of a crane operation. With arm and index finger. It is also a critical part of getting the job done efficiently, on time, and safely. If at any time communication is disrupted, the operator shall stop all crane movements until communication is restored and a proper signal is given and understood. The new signals provide at least equally effective communication as voice, audible, or Standard Method hand signals, or. T… Hand Signals for Mobile Crane Operation Consider, for example, the metal housing or enclosure around a motor or the Signaling is an important part of crane operation but is often not treated with the importance it deserves. When working as a crane operator in a facility or at a job site, especially those with lots of traffic, it is crucial to understand and use crane operator hand signals. Testing on this mobile crane course is used to reinforce information presented. SWING: Arm extended, point with finger in direction of the swing of the boom. Construction sites are loud. Mobile crane hand signal chart. <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> What does the hand signal indicate in the figure below? If at any time communication is disrupted, the operator shall stop all crane movements until communication is restored and a proper signal is given and understood. search for applicable Rigging rules and resources. Use Whipline (Auxilary Hoist) Tap elbow with one hand; then use regular signals. 4. 2 0 obj There are a variety of ways in which hand signals provide a greater benefit than other methods, such as: Although radios can be used to relay messages across the site, there are some situations when an operator will need extra assistance. USE MAIN HOIST A hand taps on top of the head. HAND SIGNALS FOR CRANE OPERATION—continued Source for hand signals: OSHA 29 CFR 1926, Subpart CC, Appendix A . Sometimes known as the signalman, this individual is responsible for signaling the crane and giving the operator orders that pertain to the lift. Lower the Load. Use these hand signals for operating a crane and communication with your signal person. If it is desired to give instructions to the operator, other than those provided by the established signal. endobj SWING THE BOOM: If the load needs to move side to side while remaining at its current height, extend your arm outward horizontally and point in the direction that the boom needs to swing. Slowly Raise the Load. 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