2. 9. Anytime an adapter is used to accommodate a two-hole receptacle, the adapter wire must: If a worker on a scaffold can fall more than 10 feet: They must be protected by guardrails and/or personal fall arrest systems (PFAS). Electric shock occurs when: Your body becomes part of the circuit Secure loads to prevent shifting or slipping during lifts. -- Construction Which of the following is an element of a hearing conservation program? One way to reduce the risk of falling materials is to perform regular maintenance of hoists. Third Party Contractor to submit specific Method statement to work in vicinity of existing MV/LV OHL wherever required based on the field conditions. 5. Typically, stacker cranes are used in places with special working conditions, like extremely cold temperatures, making it unnecessary for a human worker to endure extreme working conditions. For cranes and slings to perform properly, they have to be in top condition. To prevent surface water from entering an excavation and to provide adequate drainage of the adjacent area, OSHA standards require the use of: Water removal equipment, diversion ditches, dikes, or other suitable methods (Your Answer). The three elements of a basic program for electrical safety are: cognize, evaluate and control (Your Answer). Before an abrasive wheel is mounted, it should be inspected closely and: Sound- or ring-tested to ensure that it is free from cracks or defects (Your Answer). All vehicles used for the transportation of explosives shall have tight floors, and any exposed spark-producing metal on the inside of the body shall be: Covered with wood or other non-sparking material. Establish communication with ground personnel and confirm understanding of signals before proceeding. Overhead Crane SafetyThree Major Hazards and Preventative Measures. 2. To start, its important to establish who is in charge of prejob safety planning before any cranes arrive at a worksite. Operators and controllers must maintain 100 percent focus on the task at hand to avoid potentially dangerous situations. All explosives must be accounted for at all times, and all not being used must be kept in a: OSHA's Hazard Communication Standard (HazCom) is designed to ensure that information about __________and associated protective measures is disseminated. Rated load capacities, recommended operating speeds, and special hazard warnings or instructions must be: Conspicuously posted on the crane, where the crane operator can see them while he is at his control station (Your Answer). Elliot Aronson, Robin M. Akert, Samuel R. Sommers, Timothy D. Wilson, Laura Namy, Scott Lilienfeld, Steven Lynn, Solve the given equation for $n$ (assume $a>0, a \neq 1$). 4. The operator also has the authority to stop operation whenever there is a concern as to safety. It is preferable not to drive a vehicle in reverse if you have an obstructed rear view, but if you do, make sure: The vehicle has an audible reverse alarm (Your Answer). Quick overhead crane safety tips while using it. The three main scaffold types are aerial lifts, supported scaffolds and: 7. 9. Crane operation is a complex task that requires a high level of skill and training. Industrial plants have forklifts, heavy equipment, personal carriers and overhead cranes busily working with operators of these machines concentrating mainly on the load being handled and their job at hand. Employees working in the vicinity of a crane must take care to avoid what kind of accident? Crawler cranesSuitable for multiple ground types, including soft ground, and can move around the site with ease. -- Ergonomic principles Next, determine if any part of the equipment, load line or load (including rigging and lifting accessories), if operated up to the equipment's maximum working radius in the work zone, could get closer than 20 feet . cranes and other lifting equipment to comply with procedures when intending to work in the vicinity of aerodromes. Concrete foundation: A tower crane always sits on a concrete foundation, where anchors are placed to secure the crane to the ground. Inspect and adjust slings, cables, chains and other rigging components. 7. If the hoist tower is not enclosed, the hoist platform or car must be totally enclosed on all sides for the full height between the floor and: 1. Manufacturing is located in several facilities in North America and Europe . 10. Barricades or caution lines and notices are erected to prevent all employees from entering the fall zone. . 5. Select and install appropriate rigging hardware and accessories for the load. This guide is aimed at those in control and those performing any work under or near to overhead power lines. Provide training, supervision and guidance to crane operators on proper operating techniques, safety procedures, and maintenance. Monitor the cranes operations and guide as needed. Assist with assembling and/or disassembling components of the crane as needed. Employers and workers should start by understanding CFR 1926 Subpart CC which addresses the use of cranes and derricks in construction. Further information The crane operator and any workers below should also be aware of his/her surroundings and never walk under a lift. Because the number of injuries from operating powered industrial trucks was on the rise, the OSHA standard for Powered Industrial Trucks was revised March 1, 1999. Ability to read and understand safety-related instructions, diagrams and other materials related to operating cranes. There are distinct types of mechanized access platforms and the individual types may also be known as a "cherry . Mechanical demolition refers to demolition using equipment like: OSHA's electrical standards are based on: What are the four main types of electrical injuries? Be sure that any ladders, tools, and systems are non-conductive, and ask the electric company to de-energize and ground power lines or install insulation whenever people are working near them. -- The amount of current and its frequency In the case of materials handling, storage, use and disposal, remember that the main hazards are injuries from: -- Improper lifting and carrying (Your Answer). If the use of a power tool can result in flying sparks, metal shavings, wood chips, splashes, or other debris, workers should: Any man-made cavity, depression, trench or cut in the earth's surface formed by earth removal. Employers and employees need to be aware that all cranes are different and may have specific operating, safety, inspection and maintenance requirements. Gloves that are chemically resistant are usually made from: 1. OSHA estimates that one crane upset occurs for every 10,000 hours of crane use. espaol | Architects & Engineers portal | Lift-Lab, Home Overhead Crane SafetyThree Major Hazards and Preventative Measures. Be sure all members of the team are qualified to do their jobs. -- wherever overhead work is being performed. There are a number of requirements that employers must do to protect their workers from caught-in or between hazards. Providing worker training on the safe use of the equipment being operated is the responsibility of the: 7. Cost and energy savings Crane operation safety is the result of effective teamwork among operators, riggers, and crane walkers. 1. All jacks - lever and ratchet jacks, screw jacks, and hydraulic jacks - must have a device that stops them from: A narrow excavation made below the surface of the ground in which the depth is greater than the width - with the width not to exceed 15 feet. Ensure that the operator can view their surroundings and adequately communicate with ground personnel. 4. 9. 7. One commonality that all three hazards share is the qualifications of crane operators. Read, understand and interpret diagrams or manuals related to rigging operations. This scaffold is simply a rope attached to a harness with an assembly like a boatswain's chair for the worker to sit in. During a tilt-up or tilt-down operation, no employee must be directly under the load and only employees essential to the operation are permitted in the fall zone if it is not feasible for the employee to perform that operation from outside the fall zone. We determine what type of sling to use by the size and type of load, and the environmental conditions in the work area. Overall, its important for operators and workers to receive the appropriate training to avoid danger zones where electrocution can occur. When operating a crane, they must be supervised by a qualified operator who meets the requirements of 1926.1427, and is familiar with the crane's operation, characteristics, and hazards. Provide guards on power tools and other equipment with moving parts (Your Answer). Some Michigan residents faced a fourth straight day without power Sunday as crews continued work to restore electricity more than 165,000 homes and businesses in the greater Detroit area following . -- Resist penetration by objects and absorb the shock of a blow Your email address will not be published. It is essential that you have the manufacturers operating manuals and are familiar with your particular crane. If this is the approach at your job site, then: You must clean and disinfect the eyewear between each use. 9. Or, portable gantry cranes can be designed with longer extension cords to accommodate power supplies that may not be as close to the work area that the crane is moved to. The posting of signage warning employees of the hazards of the cranes swing radius is used. Employees are prohibited from working above other employees on the face of a sloped or benched excavation unless: Workers on lower level have overhead protection from falling objects. Assist with assembling and/or disassembling components of the crane as needed. Employers must provide a training program that teaches employees who might be exposed to fall hazards: How to recognize such hazards and how to minimize them. Each year nearly 200 people die from power line contact and about three times as many are seriously injured. Sometimes it looks like the easiest way to put employees where they're needed is to lift a man-basket to the work area. Maintain a safe working environment by observing proper lifting techniques and safety rules. In addition, the HSE states that health and safety legislation requires those with responsibilities for construction work to assess the risks to the health and safety of those at work, and others who might be affected. Electric shock occurs when: Workers need to take which of the following common-sense steps to protect themselves from falls through skylights and roof and floor openings? On March 1, 1990, a 29-year-old worker was electrocuted when he pushed the crane cable on a 1-yard cement bucket into a 7,200-volt power line. Communicate with the crane operator to coordinate the lift of the load. 1. Installing Hoist Danger signs around the work area will help to alert employees that a hoist is operating over their heads. This type of equipment should never be used near power lines. In just the last six months, four workers were killed when they were struck by moving plant, while one plant operator was killed when they collided with other mobile plant. But, overhead crane accidents cause severe injuries and fatalities every year. Do not move your load with coworkers around the area. in the vicinity of the KM OHL network. If materials are not properly secured, for instance, the load can slip and land on workers in the vicinity or cause major damage to property. Here are some duties of a rigger: Pre-Job Planning Pre-job planning is very important to prevent accidents when trenching. 5. Neither the operator nor anyone else should ever stand directly in front of the wheel of an abrasive power tool as it accelerates to full operating speed. Train each employee assigned to work on or near the equipment ("authorized personnel") in how to recognize struck-by and pinch/crush hazard areas posed by the rotating superstructure. Feb. 26, 2023. When the work zone is demarcated under 1408 (a) (1) (i), the employer must then determine, pursuant to 1408 (a) (2), whether any part of the equipment, load line or load (including rigging and lifting accessories), could get closer than the minimum clearance distance to a power line. The path of each load must be planned to prevent swinging loads from passing over workers. 3. Monitor activities in the surrounding area to identify potential hazards or obstacles that may interfere with lifting operations. 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