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 . Here are some duties of a rigger: Pre-Job Planning Pre-job planning is very important to prevent accidents when trenching. 6. 1 of 6 Type of Job Being Analyzed Risk Assessment on Lifting Works Department/Section Originate JSA Risk Assessment Team JOB Performers Additional approvals (Determine by . Employees and employers need to have a full understanding of the risks of falling objects and lax protocols when operating a crane. Working Safely Around the Lines. 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). when carrying out inspection work or working from suspended platforms Truck-mounted and rough terrain cranes are both forms of a mobile crane, and both use which of the following to increase their stability? Employers must: Ensure that the safety monitor is a competent person knowledgeable about fall protection (Your Answer). Avoid man-baskets. Define the work zone as the area 360 degrees around the crane, up to the crane's maximum working radius. -- Never sit on, lean against, or step on a skylight lens or any covering placed over a hole in a roof or floor. The Trustees work to protect the area's ecological, scenic, and historic importance. Trench boxes or shields must be designed or approved by: 7. -- There are low-hanging pipes or beams 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. 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. If the load or sling holding the load isnt properly secured, the objects can slip out, tip, and eventually crash to the ground below. "Remote work it will . Provide instruction or guidance to crew members on proper handling techniques. 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. Falling materials is a major concern at any work place or job site using overhead cranes. Employees working around overhead cranes should always wear proper head, foot, hand, and eye protection. -- Rigging must be inspected prior to use, be in good shape and have the tag attached. Ensure that the rigging is appropriately attached to the load and that it is rigged correctly and safely. Usually, the person who is electrocuted is touching the crane when it comes into contact with the power line. -- Be water-resistant and slow burning Which of the following is an element of a hearing conservation program? Electricity travels in closed circuits, and its normal route is through a conductor. To reduce the risk, OSHA mandates that operators make daily crane inspections. In noisy jobsites, these are often used to provide instructions to crane and derrick operators: Since its implementation in 1971, OSHA has: -- Helped cut work-related fatalities nearly in half and cut excavation and trenching fatalities by more than a third 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. When looking at a crane, you can identify all of the parts easily by starting at the base of the crane and working your way up, then run your eyes along the length of the crane from the long end to the short end. Power line contact most often occurs when the crane is moving materials nearby or under energized power lines and the hoist line or boom touches one of them. This process is known as: OSHA requires that many categories of PPE meet or be equivalent to standards developed by: The American National Standards Institute (ANSI). 5. Acute silicosis occurs after a few months or as long as 2 years following exposures to ________ concentrations of respirable crystalline silica. 10. -- The amount of current and its frequency Thats because the loads being lifted by overhead hoists tend to be fairly heavy and cause serious damage if dropped. Managers and safety professionals need to consider safe work practices for workers who are required to work on or near operating cranes. What impact, if any, did this have on exports of natural gas? There is also specific information on: Working in the vicinity of overhead and underground electric lines information sheet Using cranes to hoist material can have serious consequences if the process is not performed properly. Ensure that the crane is in good working condition by conducting safety checks before and during operation. To provide a safe environment of work and to ensure compliance with current legislation and relevant Occupational Health and Safety (OH&S) measure crane lifting safety Procedure has been developed and is to be implemented by every member of the bridge construction team involved in lifting operation. When dismantling a scaffold, all work should be conducted: 6. -- Noise monitoring Elliot Aronson, Robin M. Akert, Samuel R. Sommers, Timothy D. Wilson, Laura Namy, Scott Lilienfeld, Steven Lynn, Solve the given equation for $n$ (assume $a>0, a \neq 1$). Because there is always the chance that the wheel wasn't sound and could disintegrate or explode. Animal Control was notified about the horse being dumped. A crane crew supports the operator and ensures all safety procedures are followed. The victim was a member of a crew that was constructing the back concrete wall of an underground water-holding tank at a sewage treatment plant. Using technologies such as load-measuring systems for training and planning can greatly reduce the hazard of overloading and operator incompetency. 10. Employees working around overhead cranes should always wear proper head, foot, hand, and eye protection. -- Ergonomic principles Accident hazards Falls from heights, esp. -- Training and education. They are allowed to operate cranes to do maintenance work, to do an inspection, or to verify that the crane is working properly. It is the responsibility of the crane owner and job supervisor to ensure that crane operators are competent and qualified to do the job. 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. A crane operator must always lower a load to the ground before leaving the lift or during idle times. Anyone controlling construction sites has health and safety responsibilities. 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. Third Party Contractor to submit specific Method statement to work in vicinity of existing MV/LV OHL wherever required based on the field conditions. It is particularly relevant where plant or equipment such as scaffold components, roofing or other building materials, cranes or irrigation equipment are operated or moved under or in the vicinity of overhead power lines. Where the operator knows that an employee went to a location covered by paragraph (a)(1) of this section, the operator must not rotate the superstructure until the operator is informed in accordance with a pre-arranged system of communication that the employee is in a safe position. Assist with assembling and/or disassembling components of the crane as needed. -- Being struck by materials or caught in pinch points In addition, hazards associated with attachments are also included together with the recommended risk controls. As mentioned in this module, in addition to cave-ins and related hazards, workers involved in excavation work also are exposed to hazards involving: Falls, falling loads, and mobile equipment (Your Answer). 2. This field is for validation purposes and should be left unchanged. Truck-mounted and rough terrain cranes are both forms of a mobile crane, and both use which of the following to increase their stability? 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. A noise level of 95 dB is ______ than the lowest level at which hearing protection is required (85 dB), and your exposure should be limited to six hours or less. The slings that cranes use to hold suspended loads are also a key element in this kind of material handling. General guide for working in the vicinity of overhead and underground electric lines Downloads Download ZIP - 18.92 MB Use this guide to manage the risks of working near overhead and underground electric lines. 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). Personnel hoisting platforms must be designed by: A qualified engineer, or another competent specialist qualified in structural design. Looking for the perfect fall protection equipment? Work in harsh weather or strong sunlight may cause health problems. Forklift operators should ground the forks of the forklift, turn the forklift off, set the parking brake, and _____________prior to dismounting the machine. The operator can refuse to handle loads until a qualified person has determined that safety has been assured. Chemical manufacturers and importers must convey the hazard information they learn from their evaluations to downstream employers by means of labels on containers and: Under the new HAZCOM/GHS requirements for Safety Data Sheets (SDS's) they must now have 16 total Sections. 7. Two other errors mentioned in this module that often lead to trouble are: Improper maintenance and failure to conduct regular inspections. 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. Workers need to take which of the following common-sense steps to protect themselves from falls through skylights and roof and floor openings? 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. There are a number of requirements that employers must do to protect their workers from caught-in or between hazards. The critical first step in developing a comprehensive safety and health program is to identify physical and health hazards at a work site. 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. Between 1989 and 2009, there were 86 identified incidents involving the collapse or major structural failure of a tower crane. -- How many sources generate loud noises. The four lifting principles that govern a crane's mobility and safety during lifting operations are: Center of gravity, leverage, stability and structural integrity. 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 ______________: 6. Crane booms or truck-mounted trolleys using an electrical remote control system for loading and unloading can also be very dangerous. -- Mining industries. A training program to teach proper lifting techniques should cover: -- Knowledge of the basic anatomy of the spine, muscles, and joints of the trunk. Which of these is required if the worker's body, hands or clothing may come into contact with moving parts? The posting of signage warning employees of the hazards of the cranes swing radius is used. Select and install appropriate rigging hardware and accessories for the load. Reduce the Chances of Fatalities: Properly outline fall zones with barriers. This guide is aimed at those in control and those performing any work under or near to overhead power lines. The requirements in paragraph (a)(2) of this section apply where there are accessible areas in which the equipment's rotating superstructure (whether permanently or temporarily mounted) poses a reasonably foreseeable risk of: Pinching/crushing an employee against another part of the equipment or another object. Chemical manufacturers and importers must convey the hazard information they learn from their evaluations to downstream employers by means of labels on containers and: 3. If a moving part on an overhead crane wears out or breaks the hoist, it can cause serious damage. When the employer receives an OSHA citation, it must be: Posted for 3 days or until the violation is fixed. Respond quickly and efficiently to emergency situations by following safety protocols. But, overhead crane accidents cause severe injuries and fatalities every year. As a result, San Francisco alone has seen more than a 24% increase in office vacancy. 5. JERUSALEM Hours after a Palestinian gunman fatally shot two Israeli brothers as they drove through a town in the Israeli-occupied West Bank on Sunday, Jewish settlers went on a . This scaffold is simply a rope attached to a harness with an assembly like a boatswain's chair for the worker to sit in. The use of cranes on construction sites to lift heavy equipment, building materials, protective systems, erect steel, etc. 1. 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 has not been locked-out. Electric shock occurs when: The body becomes part of the circuit (Your Answer). 1926.1424 (a) (2) (ii) Feb. 26, 2023. Sharp, abrasive, pinching, or otherwise hazardous moving parts of power tools: Must have guards to prevent contact with workers (Your Answer). Countless companies in the manufacturing and construction industries rely on overhead cranes to lift and transport materials. The three elements of a basic program for electrical safety are: cognize, evaluate and control (Your Answer). Telescopic Crane Follow all local laws and safety regulations as they pertain to rigging operations. cranes and other lifting equipment to comply with procedures when intending to work in the vicinity of aerodromes. OSHA estimates that one crane upset occurs for every 10,000 hours of crane use. Employers and employees need to be aware that all cranes are different and may have specific operating, safety, inspection and maintenance requirements. 4. True or False: There is usually some form of warning before a cave-in. True or False: There is usually some form of warning before a cave-in. Reversing direction can cause heavy loads to spill, and swinging the load is very risky. Swinging or sudden dropping of the load, using defective components, hoisting a load beyond capacity, dragging a load, and side-loading a boom can all cause overloading. 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. Do not swing the load. Inspect rigging equipment before each use to ensure that all components are in good working condition. 2. Prior to starting all demolition operations, OSHA 1926.850 (a) requires that an engineering survey of the structure be conducted by a competent person. The mighty tool was soon used in Rome and Egypt. 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. 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. John Crane has an overall rating of 3.5 out of 5, based on over 483 reviews left anonymously by employees. Planning is one of the biggest accident deterrents available. Let us help! 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. The path of each load must be planned to prevent swinging loads from passing over workers. The Trustees protect and share the Massachusetts places people love for their "exceptional scenic, historical . No employees are permitted in the fall zone. Load testing maintenance ensures that you know how many pounds the hoist can handle, and it helps to keep the hoist good working condition. 8. In general, head protection should do which of the following? When moving items, he or she should never raise the load higher than required for clearance. The following are some basic requirements for PPE around cranes, but additional equipment may be necessary depending on the situation. (Your Answer). The migration south to Texas can take up to 50 days. 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. They are mounted on . Careful operation of the hoist is another important safety factor to consider whenever overhead cranes are used. 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. -- Have clear instructions explaining proper adjustment and replacement of the suspension and headband. 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). Operators and controllers must maintain 100 percent focus on the task at hand to avoid potentially dangerous situations. The three most common hazards involving overhead cranes include electrical hazards, overloading, and materials falling/slipping from overhead hoists. The operator remains adjacent to the equipment and is not engaged in any other duties. 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. Electricity travels in closed circuits, and its normal route is through a conductor. Lifting and rigging crews controlling access of employees into lifting areas and the swing radius of the crane. Do not get distracted by anything. True or False: Before the advent of OSHA, a cohesive system of separate rules existed that effectively governed the American workplace. 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. Workers are most at risk from falling objects when standing or working: 2. *This document is issued, as a guide, to explain the procedures to be followed at the site by Third Party Contractors while working in the vicinity of MV/LV OHL. Read, understand and interpret diagrams or manuals related to crane operations. 3. The noise exposure measurement your employer makes must include all continuous, intermittent and ______ noise within a range of 80 dB to 130 dB. 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? Many accidents involve large lift systems like tower cranes and mobile cranes. Employees who are not qualified are only permitted to operate equipment as operators-in-training with a certified trainer. This type of equipment should never be used near power lines. 5. 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. -- wherever overhead work is being performed. Keep an accurate record of operations and maintenance logs. Electrocution, electric shock, burns, indirect (e.g., a fall from a ladder). 2. A non-conductive, pneumatic or radio remote control system is a much safer choice when working near power lines. Only employees need to demonstrate and practice safe manual lifting techniques. 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. Cranes should always wear proper head, foot, hand, and eye protection Your Answer.! Do the job employers and employees need to take which of these is required if the worker to sit.! 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Some form of warning before a cave-in are a number of requirements that employers do! 86 identified incidents involving the collapse or major structural failure of a:... It is the responsibility of the risks of falling objects and lax protocols operating! Person knowledgeable about fall protection ( Your Answer ) employees and employers need to take which of crane... Failure to conduct regular inspections harsh weather or strong sunlight may cause health problems different may. Citation, it must be inspected prior to use, be in shape! Overhead power lines the vicinity of existing MV/LV OHL wherever required based on over 483 left.