Hook Inspection: A Rigger's Checklist Hooks are one of the most important pieces of rigging hardware. They are used to attach slings to loads and are a critical component in many lifting operations. It is important to inspect hooks carefully before using them to ensure that they are safe and in good condition. Here are some of the things to look for during a hook inspection: • Cracks: Cracks in the hook body can weaken the hook and make it unsafe to use. • Spreading of the hook throat: The hook throat is the opening in the hook where the sling is attached. If the hook throat is spread, the sling may slip out and the load could fall. • Safety latch is missing or not working properly: The safety latch is a small device that prevents the hook from opening when it is not in use. If the safety latch is missing or not working properly, the hook may open and the load could fall. • SWL is not clearly marked or damaged: The Safe Working Load (SWL) is the maximum weight that the hook can safely lift. If the SWL is not clearly marked or damaged, the hook may not be safe to use. If you find any defects in a hook, you should remove it from service and have it repaired or replaced. Here are some additional tips for inspecting hooks: • Inspect the hook carefully from all angles. • Use a flashlight to inspect the hook for hidden cracks or defects. • Check the hook for signs of wear and tear. • Make sure that the hook is not bent or distorted. By following these tips, you can help to ensure that your hooks are safe and reliable for use.
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Credit to post and photo owner: Hook Inspection: A Rigger's Checklist Hooks are one of the most important pieces of rigging hardware. They are used to attach slings to loads and are a critical component in many lifting operations. It is important to inspect hooks carefully before using them to ensure that they are safe and in good condition. Here are some of the things to look for during a hook inspection: • Cracks: Cracks in the hook body can weaken the hook and make it unsafe to use. • Spreading of the hook throat: The hook throat is the opening in the hook where the sling is attached. If the hook throat is spread, the sling may slip out and the load could fall. • Safety latch is missing or not working properly: The safety latch is a small device that prevents the hook from opening when it is not in use. If the safety latch is missing or not working properly, the hook may open and the load could fall. • SWL is not clearly marked or damaged: The Safe Working Load (SWL) is the maximum weight that the hook can safely lift. If the SWL is not clearly marked or damaged, the hook may not be safe to use. If you find any defects in a hook, you should remove it from service and have it repaired or replaced. Here are some additional tips for inspecting hooks: • Inspect the hook carefully from all angles. • Use a flashlight to inspect the hook for hidden cracks or defects. • Check the hook for signs of wear and tear. • Make sure that the hook is not bent or distorted. By following these tips, you can help to ensure that your hooks are safe and reliable for use. Safety First !!! ☝️
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Toolbox Talk Tuesday: Sling Inspections Selecting the correct rigging is crucial in preventing crane rigging accidents. As a rigger, your role in ensuring safety is paramount. Proper rigging and inspection before each lift can make all the difference. Take a look at some key factors to consider when inspecting wire rope slings, nylon web slings, and polyester round slings: WIRE ROPE SLINGS 1. Five broken wires in one strand in one rope lay 2. Ten randomly distributed broken wires in one rope lay 3. Kinked or crushed 4. Bird caging 5. Evidence of severe corrosion 6. Evidence of heat damage from any cause 7. Abrasion, scrubbing, or peening causing loss of more than 1/3 of the original diameter of outside wires 8. Capacity tag missing or not legible NYLON WEB SLINGS 1. Excessive wear 2. Cuts or burns from sliding on a sharp edge or being wrapped around a sharp edge 3. Red indicator threads exposed 4. Ensure identification tag is readable 5. Evidence of corrosion 6. Holes from punctures or melted by slag 7. Ensure that there are no knots and that slings are not tied together POLYESTER ROUND SLINGS 1. Acid or caustic burns (discoloration, could be chemical burns) 2. Evidence of heat damage 3. Knots in any part of sling 4. Holes, tears, cuts, abrasive wear, snags that expose the core yarn 5. Broken or damaged core yarns 6. Missing or illegible sling identification 7. Damaged liner jacket - sling must be removed from service Remember to prioritize safety in every lift, and follow these guidelines to prevent accidents. Any damaged sling must be destroyed and discarded. Rigging used for hoisting people must be marked for personnel use only. Safety first! #RiggingSafety #CraneSafety #WorkplaceSafety
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Rope Rigging principles to be Considered by a team handling Lifting operations upto 100kg: 1. All rigging must be done with a controlling device. If a controlling device is used, it means that if a rigger were to let go of hauling/lifting rope from his hands the load Rope Rigging - would remain stationary at any time during the lift. Doing rigging without this safe use principle may result in serious injury and or damage to property. 2. The Rigging Supervisor is always in charge of rigging operation and the rigging operations under his control. 3. Minimum freeboard must always be considered to lift the load to the required height. 4. Always be in reach of your controlling devices. 5. Never stand directly below the load. 6. Ensure the lifting route is clear of obstructions. 7. Never put diagonal forces on the top end of the lattice mast or monopole. 8. The slinging method must be adequate to the type of load being lifted. 9. The weight of the load should not exceed the SWL of the equipment used when lifting. 10. When using taglines, careful calculations must be made as taglines may add significant weight to the total load that may exceed the SWL of the equipment or structure. 11. When handling equipment/ tag-lines supervisor to ensure employees are wearing their safety gloves 12. The slinging method must not damage the load (e.g., antenna/microwave dish). 13. Sharp edge protection or lifting blocks must be used to prevent the slings being pinched and damaged. 14. Additional forces may be added to the rope rigging system such as Wind Force and should be considered during lifting operation. Talk to us for more quality and standardized Rope Rigging Skills with accreditation certificate VISCAR INDUSTRIAL CAPACITY LIMITED Viscar Integrated Consulting (TZ) Limited Viscar Integrated Consulting Limited SasaIT Limited
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A common question that our lifting and rigging experts get is “Do I need to periodically proof test my lifting slings?” The answer is no. Even though periodic inspections are required, nothing in OSHA’s or ASME’s standards require you to proof test a lifting sling after it’s been manufactured. However, lifting slings being sent in for repair must be tested before being sent back out to the field. At Mazzella, we proof test our lifting slings, from chain slings to synthetic roundslings, before sending it back to our customers. If you’re looking to increase the lifespan of your lifting slings, we recommend investing in a proper sling protection device, such as a sleeve or wear pad. Check out our video with safety expert Terry Driscoll to learn more about the importance of sling protection: 📺: https://hubs.li/Q02RRzrV0 Here are some more helpful resources: • https://hubs.li/Q02RRg4b0 • https://hubs.li/Q02RRjPq0 • https://hubs.li/Q02RRJk10 https://hubs.li/Q02RRzrV0
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Unsafe lifting and rigging practices Wanna see your whole lift plan fall apart in front of your face? Use the wrong pick points! It goes without saying that safety is the most important consideration when it comes to rigging a load for an overhead lift. In order to safely and successfully rig and lift a load, it is imperative for the rigger to ensure load control is maintained. There are many factors for the rigger to consider when it comes to load control. Could the wind cause the lift to go awry? Will the sling and hitch properly support and distribute the weight of the load? Are additional measures needed to ensure the load is lifted and moved along the planned path? Even if a load is perfectly rigged according to its weight, without proper load control, the lift could fail and cause serious injury and damage. Rigging and maintaining load control is a complicated process that requires careful and educated planning. In order to maintain load control, a rigger should consider these factors when planning a lift: *Know the weight of the Load *Determine the center of gravity *Select the appropriate lifting and rigging equipment *Select the appropriate sling hitch *Be aware of possibility of fouling / clear of personnel *Determine whether a tag line is needed *Be aware of environmental conditions *Understand load stabilization
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Here you can see how poor planning can lead to accidents.. Improper Rigging Failed to use Tagline Wrong Pick Points No proper Barrication & signboards Lack of Knowledge Incompetent person #Safety #First
Unsafe lifting and rigging practices Wanna see your whole lift plan fall apart in front of your face? Use the wrong pick points! It goes without saying that safety is the most important consideration when it comes to rigging a load for an overhead lift. In order to safely and successfully rig and lift a load, it is imperative for the rigger to ensure load control is maintained. There are many factors for the rigger to consider when it comes to load control. Could the wind cause the lift to go awry? Will the sling and hitch properly support and distribute the weight of the load? Are additional measures needed to ensure the load is lifted and moved along the planned path? Even if a load is perfectly rigged according to its weight, without proper load control, the lift could fail and cause serious injury and damage. Rigging and maintaining load control is a complicated process that requires careful and educated planning. In order to maintain load control, a rigger should consider these factors when planning a lift: *Know the weight of the Load *Determine the center of gravity *Select the appropriate lifting and rigging equipment *Select the appropriate sling hitch *Be aware of possibility of fouling / clear of personnel *Determine whether a tag line is needed *Be aware of environmental conditions *Understand load stabilization
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Understanding Wire Rope Maintenance and Failure Prevention in the Overhead Crane Industry It may be time to replace some cable and rigging. The overhead crane industry is rightfully concerned about the failure of wire rope and has a profound and obvious interest in preventing it. Depending upon which expert you talk with, there are many opinions as to the ‘main causes’ of these failures. The list for reasons leading to the failure of wire rope is lengthy, and every reason is worthy of consideration. After all, everything comes down to safety. First, A wire rope is a machine, by dictionary definition: “An assemblage of parts, that transmit forces, motion, and energy one to another in some predetermined manner and to some desired end.” A typical wire rope may contain hundreds of individual wires which are formed and fabricated to operate at close bearing tolerances one to another. When a wire rope bends, each of its many wires slides and adjusts in the bend to accommodate the difference in length between the inside and the outside bend. The sharper bend, the greater movement. Intellectually, while we may understand and agree with the premise, it’s awkward to think of rope as some kind of a ‘real’ machine. We expect to thoroughly and routinely maintain our very expensive equipment. We understand that real equipment undergoes hard use and we have to pay attention to it. But... pay attention to a rope? In an environment with larger machines wire ropes are often overlooked, and ignoring them leads to serious problems. This leads right in to the real culprits and causes of failure. According to the Access Engineering Library, the cause for steel rope failures lies at the feet of human nature, which is to say, neglect and abuse. Neglect and abuse are the two chief enemies of wire rope life. One costly form of neglect is lack of proper field lubrication. Abuse takes many forms: improper reeling or unreeling, wrong size or worn sheaves, improper storage, bad splicing are a few. More can be cited, but these two are the main culprits. Now, with this understanding in mind, we can properly consider a comprehensive list of other contributing factors. What will cause a wire rope to break? § Wear in sections where hoist drums and sheave contact rope § A lack of lubrication for extended periods § Prolonged exposure to heat and moisture § Constantly repeated bending— fatigue can happen during normal operating conditions § Consistently neglecting manufacturers’ weight charts—overloading systems is the most common cause of breaks § Crushing, dragging, or cutting rope because of mechanical abuse § Spooling onto multi-layered drums causes crushing § Using frozen or stiff ropes § Improper installation will cause kinks Do not wait for your next accident. Be proactive with the health of your wire rope.
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Have you been on a job site where lifting is commonplace? Well, there’s a good chance there was a Mechanical Spliced Flemish Eye Sling being used. The Flemish eye is made by opening the wire rope’s individual strands into two parts. From there, the two strands are looped in opposite directions and laid back together—creating an eye shape at the end of the wire rope. Check out the full video with Terry Driscoll, one of Mazzella’s premier rigging experts, as he walks us through how Flemish eye slings are made, the advantages and disadvantages of using one, and the other types of wire rope eye slings. 📺: https://lnkd.in/e6c6SArA Furthermore, dive into our Learning Center, where we have hundreds of pieces of content covering wire rope and rigging gear, including: • Sling Inspections E-Book: A Guide to Inspections and Applicable Standards https://lnkd.in/g8ed-B5K • Rigging Gear Inspection Field Reference Guide https://lnkd.in/e9BEiY8V • Wire Rope Slings Types & Term [Guide] https://lnkd.in/gXNBUQRq • A How-To Guide for Ordering Wire Rope Slings [Article] https://lnkd.in/gk7CDNdW Disclaimer: Any advice, graphics, images, and/or information contained herein are presented for general educational and information purposes and to increase overall safety awareness. It is not intended to be legal, medical, or other expert advice or services, and should not be used in place of consultation with appropriate industry professionals. The information herein should not be considered exhaustive and the user should seek the advice of appropriate professionals.
What Is A Mechanical Spliced Flemish Eye Wire Rope Sling?
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Recently came across a BlogPost for wire rope inspection in lifting equipment! For new owners and operators it’s critical component ,safety people loves to reject the wire rope so worth a reading . Here are some tips to help keep both the operator and inspector safe when wire rope is being inspected on a mobile crane: The crane operator and inspector must start with a meeting to discuss each person’s role and how the inspection will be preformed—it helps if the crane operator knows what the inspector will be doing. The inspector must NEVER stand next to the crane drum when the crane’s house lock is not engaged. The inspector must NEVER inspect wire rope as it is coming onto a drum—the rope should be inspected as is it is being spooled off the drum. The inspector must have fall protection so both hands can be used during the inspection. The wire rope is never spooled more than about 36-inches at a time. This allows the inspector to reach each section of rope for inspection. The inspector must wear protective gloves that allow for feel of the rope—only half the rope can be seen at any given time, so feel is critical to the inspection. The crane operator NEVER spools rope off the drum until they clearly understand the inspector’s instruction to do so. A suggested method would be having the operator adjust the rear facing mirror to see the inspector—and the drum does not move on verbal command alone, but they must see the inspector’s hands held up and away from the drum. If direct visual communication cannot be maintained a signal person should be used. The operator should understand that some areas of the rope inspection take longer than others—at times there may be longer or shorter delays between spooling commands. Absolute safety must be maintained at all times—any misunderstanding of a command from the inspector must be met by not moving the drum. #craneoperations #cranelifting #safetyawareness
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Contractors: The Safety Mistake You Can’t Afford to Make in Welding! Welding safety isn’t just a checklist—it’s what separates a smooth project from a potential disaster. Here’s what every contractor needs to prioritize: 🔥 Clear the Workspace: Flammables nearby? Move them. 📞 Emergency Contacts: Have them accessible and ready to act. ⚡ Welding Screens: Protect others from flash hazards. 💪 Rigging Plan: Working with heavy equipment? Get a clear plan and know your surroundings. When you create a safe work environment, you don’t just protect your team—you make every step of the project more efficient. CHECK OUR THE FULL VIDEO HERE: https://lnkd.in/gRxhwbFu #WeldingSafety #MechanicalContracting #SafetyFirst
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