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. 10. 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. Gantry cranes (overhead cranes)More favorable for high projects, such as bridge work, as it has a higher lifting capacity, and the larger models can take loads of more than 800 tons and reach over 600 feet. 4. Which of these is required if the worker's body, hands or clothing may come into contact with moving parts? General safety principles that can help reduce workplace accidents include: 7. Most fatalities, however, happen when workers fall from: Employers must ensure that all walking and working surfaces have the structural integrity to: Controlled access zones serve a dual purpose - they allow specially trained individuals (such as masons) to operate without traditional fall protection within a certain area, and: They keep unauthorized individuals out (Your Answer). In the case of materials handling, storage, use and disposal, remember that the main hazards are injuries from: -- Improper lifting and carrying Communicate with the crane operator to coordinate the lift of the load. Since the invention of the crane in ancient Greece, it has been a part of the working landscape. -- There are low-hanging pipes or beams Electrocution, electric shock, burns, indirect (e.g., a fall from a ladder), -- Length of exposure to electricity There are distinct types of mechanized access platforms and the individual types may also be known as a "cherry . Elliot Aronson, Robin M. Akert, Samuel R. Sommers, Timothy D. Wilson, Laura Namy, Scott Lilienfeld, Steven Lynn, Solve the given equation for $n$ (assume $a>0, a \neq 1$). The area within a 10-foot radius of a power line is considered an unsafe work areaor danger zoneand it must be clearly marked on the ground by insulated barriers, fences, tape, etc. No modifications or additions that affect the capacity or safe operation of a crane or derrick should ever be made without: The manufacturer's written approval, which should be kept on file (Your Answer). What type of scaffold - other than the tube and coupler scaffold - is ideal for use around complex structures? crane. Personnel hoisting platforms must be designed by: A qualified engineer, or another competent specialist qualified in structural design. If you are working around our equipment, take precautions to ensure your safety. It extends to all personnel in the vicinity. But, overhead crane accidents cause severe injuries and fatalities every year. 2. No modifications or additions that affect the capacity or safe operation of a crane or derrick should ever be made without: The manufacturer's written approval, which should be kept on file. Symptoms of silicosis ____________ , so workers should have a chest x-ray to see if there is lung damage. 9. -- Have clear instructions explaining proper adjustment and replacement of the suspension and headband. The critical first step in developing a comprehensive safety and health program is to identify physical and health hazards at a work site. OSHA 1926.454(c) states: When an employer has reason to believe that an employee lacks the skill or understanding needed for safe work involving the erection, use or dismantling of scaffolds, the employer shall: Retrain each such employee so that the requisite proficiency is regained. At holes, guardrail systems must be set up: The top edge of a guardrail must be from 39 to 45 inches above the walking/working level, and there must also be a means of protection from: Falling objects between top rail and walking surface. Its important to be familiar with these hazards and learn to recognize them in the workplace in order to avoid them. Assist with assembling and/or disassembling components of the crane as needed. Further information Clear and effective communications between those roles is essential. 2. Monitor the cranes operations and provide guidance as needed. Areas that are considered hazardous are referred to as danger zones, and crane operators should be clearly notified of all potential danger zones. This type of equipment should never be used near power lines. Derricks are lifting devices that are commonly found on ships and docks. Overhead crane manufacturers can work with you to design an electrification system using lightweight beams or a series of poles to keep your electrification off the ground. Maintain a safe working environment by observing proper lifting techniques and safety rules. There are multiple hazards that can arise regarding cranes in general. improper grounding of circuitry and equipment. Accident hazards Falls from heights, esp. Manufacturing is located in several facilities in North America and Europe . All jacks - lever and ratchet jacks, screw jacks, and hydraulic jacks - must have a device that stops them from: Jacking up too high (a stop indicator) (Your Answer), 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 (Your Answer). Employees working around overhead cranes should always wear proper head, foot, hand, and eye protection. Crane operation safety is the result of effective teamwork among operators, riggers, and crane walkers. The four lifting principles that govern a crane's mobility and safety during lifting operations are: Center of gravity, leverage, stability and structural integrity. Keep an accurate record of operations and maintenance logs. Acute silicosis occurs after a few months or as long as 2 years following exposures to ________ concentrations of respirable crystalline silica. Move the personnel platform slowly and cautiously and have rotation-resistant rope with a safety factor of 10 Have all brakes and locking devices set when the occupied personnel platform is in stationary position The three main scaffold types are aerial lifts, supported scaffolds and Suspended scaffolds Ensure that all personnel involved in the operation understand and follow safety protocols. 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. Significant requirements in the new crane standard include: All hazards involved in the use of power tools can be prevented by following five basic safety rules: Keep all tools in good condition with regular maintenance; examine each tool for damage before use; operate according to the manufacturer's instructions; provide and use the proper protective equipment; and: Live parts of electric equipment operating at 50 volts or more must be: While any employee is exposed to contact with parts of electric equipment or circuits that have been de-energized, the circuits energizing the parts shall be: The two best means of avoiding electrical shock or injury when working with power tools are: The majority of today's power line accidents occur because: Of failure to maintain proper work distances. Inspect the crane and its components before each use to ensure that all parts are in good working condition. Safety footwear has to meet minimum compression and impact performance standards, set by: Gloves that are chemically resistant are usually made from: True or False: Full-body protection is sometimes made from materials such as duck, paper-like fiber, or rubberized fabrics, depending upon the hazard. If the load or sling holding the load isnt properly secured, the objects can slip out, tip, and eventually crash to the ground below. Provide guards on power tools and other equipment with moving parts (Your Answer). This scaffold is simply a rope attached to a harness with an assembly like a boatswain's chair for the worker to sit in. 1. Overall, most crane safety programs outline competent personnel requirements, and its a good idea to become familiar with them. Truck-mounted and rough terrain cranes are both forms of a mobile crane, and both use which of the following to increase their stability? They are allowed to operate cranes to do maintenance work, to do an inspection, or to verify that the crane is working properly. -- under cranes 6. The crane operator and any workers below should also be aware of his/her surroundings and never walk under a lift. According to OSHA, 80 percent of all crane upsets and structural failures can be attributed to exceeding the cranes operational capacity. When manually moving materials, employees should always try to lift it alone if a load is so bulky it cannot be properly grasped or lifted, when they cannot see around or over it, or when a load cannot be safely handled. Occupational Safety & Health Administration. Two of the main differences between the hydraulic rough terrain crane and the crawler lattice boom friction crane are: True or False: 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, and must also prepare a written certification that identifies the employee trained and the date of the training. 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. Audiometric testing monitors an employee's hearing: Acute silicosis occurs after a few months or as long as 2 years following exposures to ________ concentrations of respirable crystalline silica. Electrical burns are the most serious of the three major types of burns, and most often occur: On the hands, from direct contact with current (Your Answer). -- Ergonomic principles Here are some duties of a crane operator: The operator must not leave the controls while the load is suspended except where ALL of the following criteria are met: The four criteria immediately above do not apply to working gear (such as slings, spreader bars, ladders, and welding machines) where the weight of the working gear is negligible relative to the lifting capacity of the equipment as position, and the working gear is suspended over an area other than an entrance or exit. Performing regular crane inspections can help promote crane safety as it can proactively identify risks and hazards that can cause crane accidents and fatalities. Read, understand and interpret diagrams or manuals related to crane operations. An unloaded crane, therefore, is slightly unbalanced by counter weights and becomes stable only when hauling loads. Ensure the load is properly balanced and secured before the crane lifts it. -- There are exposed electrical hazards. All parties who are responsible for the use of cranes while working at Princeton University are expected to comply with Subpart CC of 29 CFR 1926 1400 (et al.) This scaffold is simply a rope attached to a harness with an assembly like a boatswain's chair for the worker to sit in. Because using cranes or derricks to hoist personnel poses a serious risk to the employees being lifted, any cranes and derricks that hoist personnel must: 8. In the last five years in NSW, 10 workers have been killed and over 2000 workers have been injured in incidents involving mobile plant, across various industries. Audiometric testing monitors an employee's hearing: 8. When moving items, he or she should never raise the load higher than required for clearance. Cranes should be positioned such that the boom or bucket cannot be swung over employees. It is essential for all persons undertaking these roles to be competent, having relevant up-to-date training and the qualifications and experience appropriate to the operations for which they are responsible. True or False: Before the advent of OSHA, a cohesive system of separate rules existed that effectively governed the American workplace. -- Receptacles that are not part of a building or structure. -- Resist penetration by objects and absorb the shock of a blow In case of emergency contact 911 / 02-425-0911 Job Safety Analysis PROJECT TITTLE Company: Risk Assessment No: NEW REVISED PAGE NO. To adhere to fire safety precautions, flammable and combustible materials must be stored according to: 6. Is that more likely to happen when there is a surplus or when there is a shortage? -- Whenever a new hazardous chemical is introduced into their work area. 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. Material handling tasks should be designed to minimize _________ of the given activity. Whooping cranes make a 2,500-mile journey from their Canadian breeding grounds in northern Alberta's Wood Buffalo National Park to the coastal marshes of Texas each year. In a vast majority of cases where team personnel are at fault, it is due to inattention, poor judgment, overconfidence, or haste to . If the use of a power tool can result in flying sparks, metal shavings, wood chips, splashes, or other debris, workers should: Protect themselves by wearing the proper PPE (Your Answer). So do not push the limits and move the . Most victims are guiding the load at the time of contact, but risks extend to everyone present at a job site. 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