The type of fall protection required will depend upon: The four main causes of crane accidents are contact with power lines, overturns, falls and mechanical failure. 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.) 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). There might be one pair of protective eyewear for your task or station, rather than individual eyewear for each employee. New FOREWARNER-LED warning lights from KEYTROLLER, LLC significantly improve awareness of pedestrians who work close to heavy and dangerous equipment. The most effective way to prevent exposure to crystalline silica is: Substitution of a product that contains silica with a product that doesn't contain silica, Final Exam OSHA 10 hour construction program. Its important to be familiar with these hazards and learn to recognize them in the workplace in order to avoid them. -- Whenever a new hazardous chemical is introduced into their work area. Feb. 26, 2023. Shoring or shielding is most often used when: The location or the depth of the excavation makes sloping back to the maximum allowable slope impractical (Your Answer). $$. 5. -- How many sources generate loud noises. When mechanical problems do arise, operators should use the lockout/tagout procedure to prevent accidental startup or movement of the crane until the problem has been repaired. We determine what type of sling to use by the size and type of load, and the environmental conditions in the work area. -- Engineering and Administrative Controls 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. When moving items, he or she should never raise the load higher than required for clearance. Mechanical failure can also cause machinery to malfunction unexpectedly and drop a heavy load. 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. Employers and employees need to be aware that all cranes are different and may have specific operating, safety, inspection and maintenance requirements. If you work with dump trucks, bucket trucks, cranes, excavators, backhoes, ladders, or other equipment with a long reach, chances are you are working dangerously close to overhead or underground power lines . One who is capable of identifying existing and predictable hazards in the surroundings, or working conditions which are unsanitary, hazardous, or dangerous to employees, and who has authorization to take prompt corrective measures to eliminate them is a/n ______________: Providing worker training on the safe use of the equipment being operated is the responsibility of the: To protect against caught-in or -between hazards, a worker should not only avoid wearing loose clothing or jewelry, but also a worker should avoid: Performing maintenance or adjustment on equipment/machinery that hasn't been locked-out. 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. Work in harsh weather or strong sunlight may cause health problems. 1. Monitor the cranes operations and provide guidance as needed. This scaffold is simply a rope attached to a harness with an assembly like a boatswain's chair for the worker to sit in. Using technologies such as load-measuring systems for training and planning can greatly reduce the hazard of overloading and operator incompetency. The load is to be held suspended for a period of time exceeding normal lifting operations. 10. OSHA requires that all excavations in which employees could potentially be exposed to cave-ins be protected by one or more of the following three methods: Sloping, benching, shoring and shielding (Your Answer). What type of scaffold - other than the tube and coupler scaffold - is ideal for use around complex structures? 7. Inspect the crane for any deficiencies before an operation, such as proper lubrication and safe working conditions of the hoist, trolley and bridge mechanisms. --Helped reduce workplace injuries and illnesses by 40 percent (Your Answer) Assist with the cleaning and maintenance of the crane after an operation. 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 between the top rail and the walking surface. During their migration, whooping cranes seek out wetlands and agricultural fields where they can roost and feed. With straight rails that result in easy installation, under-hung bridge cranes can handle up to 15 tons and their spanning capabilities can eliminate the need for additional supporting structures. Hazards- Load, Lifting Equipments, crane, booms, Control measurures- Crane must be certified, Operartor must be cerfiried, Lifting aceessories must be certified, Lifting area must be barricated, and clear, Rigger must be certified, and proper communication during lifting, load must be clarify before lift, permit to work must be approved by the concern authority, Safety signage must be posted . Communicate through diagrams, signs, and instructions to workers for further comprehension. To prevent employees from entering these hazard areas, the employer must: Before an employee goes to a location in the hazard area that is out of view of the operator, the employee (or someone instructed by the employee) must ensure that the operator is informed that he/she is going to that location. OSHA 1926.1424 is designed to protect employees who work near a crane from being struck or crushed by the crane's rotating superstructure. Follow all local laws and safety regulations as they pertain to rigging operations. Likewise, suspended loads should never be moved over employees and personnel should never be lifted or transported on a hoist. The crane operator and any workers below should also be aware of his/her surroundings and never walk under a lift. 2. FALL ZONE. 59% of employees would recommend working at Crane Aerospace & Electronics to a friend and 61% have a positive outlook for the business. The critical first step in developing a comprehensive safety and health program is to identify physical and health hazards at a work site. 3. Provide training, supervision and guidance to other crew members on proper rigging methods and safety protocols. Furthermore, cranes should be kept away from unsafe working areas; OSHA and ANSI both outline safe distances operators must maintain from a power source when working at a job site. Countless companies in the manufacturing and construction industries rely on overhead cranes to lift and transport materials. Keep an accurate record of operations and maintenance logs. This scaffold is simply a rope attached to a harness with an assembly like a boatswain's chair for the worker to sit in. AEGCP's are implemented on construction sites to oversee: -- All cord sets The second method is to roll the load back and forth on the tracks along the bar itself. Providing worker training on the safe use of the equipment being operated is the responsibility of the: 7. Where any part of a crane/derrick is within the working radius of another crane/derrick, the controlling entity must institute a system to coordinate operations. Notices. -- Training and education. The regulation is simple: "Don't stand, stroll, or operate under crane booms, buckets, or hanging cargo." Prior planning of crane operations usually considers the area to be covered by the swing of the boom. Quick overhead crane safety tips while using it. Overhead Crane SafetyThree Major Hazards and Preventative Measures. 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. Under the new HAZCOM/GHS requirements for Safety Data Sheets (SDS's) they must now have 16 total Sections. Derricks are lifting devices that are commonly found on ships and docks. In other words, safety cannot be improvised, Read More The Importance Of Completing Pre Job Planning Activities When TrenchingContinue, What Is Construction Site Safety? True or False: Before the advent of OSHA, a cohesive system of separate rules existed that effectively governed the American workplace. When installed and used properly, these systems make operations easier and safer. Between 1989 and 2009, there were 86 identified incidents involving the collapse or major structural failure of a tower crane. 10. To adhere to fire safety precautions, flammable and combustible materials must be stored according to: 6. Todays operator must be well trained and have a clear understanding of load dynamics, lifting capacities at various configurations, and the conditions under which such lifting capacities are valid. A crane operator must always lower a load to the ground before leaving the lift or during idle times. Accident hazards Falls from heights, esp. Qualifications A crane is a powerful and heavy machine that is equipped with cables and pulleys and is based upon the application of mechanical principles. Gloves that are chemically resistant are usually made from: 1. Material handling tasks should be designed to minimize _________ of the given activity. 4. -- Be water-resistant and slow burning Prior to starting all demolition operations, OSHA 1926.850 (a) requires that an engineering survey of the structure be conducted by a competent person. 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). Assist with assembling and/or disassembling components of the crane as needed. The working principle of a tower crane is surprisingly simple. True or False: There is usually some form of warning before a cave-in. Supervisor accounts for all workers. -- Resist penetration by objects and absorb the shock of a blow (Overhead cranes are defined by OSHA 1910.179(a)(8) as a crane with a movable bridge carrying a movable or fixed hoisting mechanism, and traveling on an overhead fixed runway structure.). One way to reduce the risk of falling materials is to perform regular maintenance of hoists. Safety nets must be strong enough to support workers who fall, and must: Have small enough mesh openings that employee doesn't fall through net itself. Most victims are guiding the load at the time of contact, but risks extend to everyone present at a job site. True or False: Once a fall protection device has been inspected by a competent person and deemed safe for use by an employee, it is up to the employee to inspect it regularly and ensure that it still meets OSHA requirements. What is a logical reason for this impact? 3. Loads suspended by cranes present a high risk to construction workers as 42 percent of all crane-related occupational fatalities have been due to workers being struck by falling objects during a crane's operation. Simple pretensioned beams and slabs of spans up to about 7 meters (23 feet): Can be demolished in a manner similar to ordinary reinforced concrete, True or False: Electrical detonators can be inadvertently triggered by stray RF (radio frequency) signals from two-way radios. 5. This will help create visual clues for workers to ensure that the crane is always positioned so that the boom and hoist line cant intrude in the danger zone. 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. Acute silicosis occurs after a few months or as long as 2 years following exposures to ________ concentrations of respirable crystalline silica. In a vast majority of cases where team personnel are at fault, it is due to inattention, poor judgment, overconfidence, or haste to . In the case of materials handling, storage, use and disposal, remember that the main hazards are injuries from: -- Improper lifting and carrying Sharp, abrasive, pinching, or otherwise hazardous moving parts of power tools: Must have guards to prevent contact with workers (Your Answer). Changing or reversing direction should be done slowly and carefully. The responsibilities for undertaking the various activities involved in the ground assessment are set out below: 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. The operator remains adjacent to the equipment and is not engaged in any other duties. Electric shock occurs when: Your body becomes part of the circuit -- the weight Slings and attachments that arent secured properly can be a major safety hazard, and when objects begin to slip, they will eventually crash to the floor below. Do not get distracted by anything. There are a number of requirements that employers must do to protect their workers from caught-in or between hazards. The greatest hazards posed by hand tools result from: Misuse and improper maintenance (Your Answer). OSHA's Hazard Communication Standard (HazCom) is designed to ensure that information about __________and associated protective measures is disseminated. 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 (Your Answer). Falling materials is a major concern at any work place or job site using overhead cranes. Safety footwear has to meet minimum compression and impact performance standards, set by: 9. -- Requires operators to take and pass a written and road test (similar to a driver's education) before they can operate the forklift. Visual impairment, two-blocking, slipping, mechanical failure, or operator incompetency can all result in serious injuries or fatalities. Be sure all members of the team are qualified to do their jobs. Power line contact is literally defined as the inadvertent contact of any metal part of a crane with a high-voltage power line. Approach distances are only part of an overall safe system of work you should use when working in the vicinity of overhead electric lines and associated electrical equipment. Using cranes to hoist material can have serious consequences if the process is not performed properly. 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 (Your Answer). -- The current's path. In the case of materials handling, storage, use and disposal, remember that the main hazards are injuries from: 2. Thats because the loads being lifted by overhead hoists tend to be fairly heavy and cause serious damage if dropped. crane set-up and rigging. Checking that working conditions are, Read More Common Risks On the Construction SiteContinue, Excavations Inspection Requirements Excavations are often necessary for various reasons, including construction, repairs, and landscaping. Nearly 80 percent of these upsets can be attributed to predictable human error when the operator inadvertently exceeds the cranes lifting capacity. Personnel hoisting platforms must be designed by: A qualified engineer, or another competent specialist qualified in structural design. Ability to read and understand safety-related instructions, diagrams and other materials related to operating cranes. 5. 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. Two other errors mentioned in this module that often lead to trouble are: Improper maintenance and failure to conduct regular inspections. 1. Moving the crane too quickly and jerking the hoist when its bearing a heavy load can be hazardous to the crane operator and workers nearby. Approximately 75 percent of struck-by fatalities involve: Heavy equipment, such as trucks or cranes (Your Answer). -- Mining industries. -- Being crushed by improperly stored materials. OSHA requires that many categories of PPE meet or be equivalent to standards developed by: The American National Standards Institute (ANSI) (Your Answer). Monitor activities in the surrounding area to identify potential hazards or obstacles that may interfere with lifting operations. There is also specific information on: Working in the vicinity of overhead and underground electric lines information sheet This rating has been stable over the past 12 months. 9. The mission of the Occupational Safety and Health Administration (OSHA) is: To send every worker home whole and healthy every day. Then we work with customers in mobile crane safety to determine soil bearing capacity. Crane safety is the practice of ensuring a safe working environment for workers and visitors when operating a crane on the worksite. 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. 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. The path of each load must be planned to prevent swinging loads from passing over workers. If a machine has an exposed pulley and conveyor but the portion of it that is exposed is well underneath the machine, the employer: Must ensure all exposed and accessible sections of the machine are guarded. Employers must: Ensure that the safety monitor is a competent person knowledgeable about fall protection (Your Answer). Best practices that keep employees safe from falls when working at heights include: Always use a fall protection system. There are distinct types of mechanized access platforms and the individual types may also be known as a "cherry . Why? Operators should have workers observing nearby to assist them whenever it is difficult to visually maintain the necessary clearance. 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. Electric shock occurs when: The body becomes part of the circuit (Your Answer). 2. Tube and coupler scaffolds over 125 feet high must be designed by: A registered professional engineer (Your Answer). 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). Operators must complete three separate aspects of powered industrial truck training: formal training, practice training, and: 5. At holes, guardrail systems must be set up: On all unprotected sides or edges (Your Answer). Mechanical demolition refers to demolition using equipment like, A training program to teach proper lifting techniques should cover, Knowledge of the basic anatomy of the spine, muscles, and joints of the trunk, Any man-made cavity, depression, trench or cut in the earth's surface formed by earth removal, 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, 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, Be placed on a firm foundation and be uniformly level within 1 percent of level grade, The three main scaffold types are aerial lifts, supported scaffolds and, The two steps for avoiding hazards that are always taken before the need for PPE is considered are, Workers need to take which of the following common-sense steps to protect themselves from falls through skylights and roof and floor openings, Never sit on, lean against, or step on a skylight lens or any covering placed over a hole in a roof or floor, Electricity travels in closed circuits, and its normal route is through a conductor. 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. 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. Operators must complete three separate aspects of powered industrial truck training: formal training, practice training, and: To adhere to fire safety precautions, flammable and combustible materials must be stored according to: General safety principles that can help reduce workplace accidents include: -- Work practices 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. Overall, most crane safety programs outline competent personnel requirements, and its a good idea to become familiar with them. Significant requirements in the new crane standard include: 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. Operators and controllers must maintain 100 percent focus on the task at hand to avoid potentially dangerous situations. Symptoms of silicosis ____________ , so workers should have a chest x-ray to see if there is lung damage. The 2010 standard addresses key hazards related to cranes and derricks on construction worksites, including the four main causes of worker death and injury: electrocution, crushed by parts of the equipment, struck-by the equipment or load, and falls. Secure loads to prevent shifting or slipping during lifts. Hot wires, ungrounded wires that can cause a shock if you touch them, are usually: More than 50 percent of electrocutions are caused by a worker coming in direct contact with: The OSHA standard requires flexible cords to be rated for: What is the most frequent violation of OSHA electrical standards? Submit a written, signed complaint with specific hazard information. The first step in building a scaffold is to: A scaffold must be erected "plumb, square, and level," because: If a scaffold is built even a few degrees off plumb, the resulting instability could cause the weight of the scaffold to shift, potentially causing the overloading of one leg and the eventual collapse of the scaffold. Crane operation is a complex task that requires a high level of skill and training. Everyone associated with a crane needs to stay alert and focused on the job at hand - especially on critical or difficult lifts. Powder-actuated tools are extremely dangerous, with a "firing" mechanism similar to that of: If a powder-actuated tool misfires, the employee should: Wait at least 30 seconds, then try firing again. Keep Your Distance. Which of the following is an element of a hearing conservation program? The duties of a crane operator involve many responsibilities. Occupational Safety and Health Administration, Outreach Training Program (10- and 30-hour Cards), OSHA Training Institute Education Centers, Severe Storm and Flood Recovery Assistance. To prevent injury from flying debris, use safety glasses, goggles, face shields, etc., where machines or tools may cause flying particles; and always inspect tools, such as saws and lathes, to ensure that: The protective guards are in good condition and firmly attached. 1. 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. -- Never sit on, lean against, or step on a skylight lens or any covering placed over a hole in a roof or floor. If a moving part on an overhead crane wears out or breaks the hoist, it can cause serious damage. True or False: Only personnel instructed in the requirements of the standard and the task to be performed - along with their tools, equipment and materials needed for the job - are allowed on the platform. -- Receptacles that are not part of a building or structure. OSHA requires that employers pay for most required personal protective equipment (PPE), including: The OSHA standards for Construction and General Industry are also known as: What type of OSHA inspection is conducted when immediate death or serious harm is likely? Did Egypt's natural gas consumption rise, fall, or remain the same from 2009 to 2010? Electricity travels in closed circuits, and its normal route is through a conductor. 2. 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. -- The amount of current and its frequency Click here to read more about training requirements and minimum competent personnel guidelines outlined by OSHA. 6. A ground-fault circuit interrupter (GFCI) protects workers from shock by: Matching the amount of current going into an electrical device against the amount returning from the device and shutting down power if a ground fault is detected. 4. Maintain a safe working environment by observing proper lifting techniques and safety rules. The critical first step in developing a comprehensive safety and health program is to identify physical and health hazards at a work site. Then, the employer must determine if any part of the crane, load line or load could get closer than 20 feet to a power line if the crane is operated at its maximum working radius within the work zone. Operate cranes according to safety procedures and local laws. Federal Aviation Administration - A Notice of Proposed Construction or Alteration may be required for mobile cranes located in the vicinity of the Virginia Tech Airport, or where the type of structure exceeds a certain height. The mighty tool was soon used in Rome and Egypt. Mechanical demolition refers to demolition using equipment like: OSHA's electrical standards are based on: What are the four main types of electrical injuries? Provide guards on power tools and other equipment with moving parts (Your Answer). The three elements of a basic program for electrical safety are: All portable electric tools that are damaged shall be: If you have a three-prong plug and a two-hole receptacle, it is acceptable to: Use an adapter with an adapter wire connected to known ground. 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. 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. Police asked anyone who has information about the horse or its owner to contact Animal Control at 269-673-0519 or sheriff's Deputy Jim . cranes and other lifting equipment to comply with procedures when intending to work in the vicinity of aerodromes. A crane operator must always lower a load to the ground before leaving the lift or during idle times. True or False: There is usually some form of warning before a cave-in. Manitex International, Inc. is a leading provider of engineered lifting solutions. Careful operation of the hoist is another important safety factor to consider whenever overhead cranes are used. 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 four lifting principles that govern a crane's mobility and safety during lifting operations are: Center of gravity, leverage, stability and structural integrity (Your Answer). Performing regular maintenance ensures the hoist and overhead crane remain in good working order and that all operations run smoothly. This person watches for interference while the operator overhead focuses on the task at hand. To adhere to fire safety precautions, flammable and combustible materials must be to! 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