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. Ensure that all personnel involved in the operation understand and follow safety protocols. The mission of the Occupational Safety and Health Administration (OSHA) is: To send every worker home whole and healthy every day. Manufacturing is located in several facilities in North America and Europe . Thats because the loads being lifted by overhead hoists tend to be fairly heavy and cause serious damage if dropped. -- Mining industries. 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). Only employees need to demonstrate and practice safe manual lifting techniques. 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. John Crane has an overall rating of 3.5 out of 5, based on over 483 reviews left anonymously by employees. 10. Employers and workers should start by understanding CFR 1926 Subpart CC which addresses the use of cranes and derricks in construction. This type of equipment should never be used near power lines. For larger or mobile cranes, undesired movement of material can pinch or crush workers involved in the rigging process. Symptoms of silicosis ____________ , so workers should have a chest x-ray to see if there is lung damage. -- How many sources generate loud noises. -- Rigging must be inspected prior to use, be in good shape and have the tag attached. Performing a safe lift requires several roles with specific responsibilities. (Your Answer). In the case of materials handling, storage, use and disposal, remember that the main hazards are injuries from: 2. 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. 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. True or False: There is usually some form of warning before a cave-in. 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). What is a logical reason for this impact? as the standard pertains to their work. 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. Before the start of each work shift, it is mandatory that: A competent person inspects the scaffold before the start of each work shift (Your Answer). 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 a known ground. The operator also has the authority to stop operation whenever there is a concern as to safety. Quick overhead crane safety tips while using it. When working at ground floor level near a cellar wall, the crane's outrigger pads or tracks should be placed: a. as close as possible to the wall b. at least as far back as the depth of the wall below ground c. at a distance at least half the depth of the cellar wall below ground d. anywhere, since the wall is unaffected by the weight of . Analysis of overhead crane accidents reveals three common safety hazards that every company using overhead lift systems should be aware of to keep their workers safe. 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). Prior to starting all demolition operations, OSHA 1926.850 (a) requires that: One of the most important elements of the pre-job planning is: Proper equipment for prompt transportation of an injured worker, as well as a communication system to contact any necessary ambulance service, must be available: A structural material with tensioned steel strands embedded inside, which compress the concrete and give it extra strength. *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. Electricity travels in closed circuits, and its normal route is through a conductor. 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 . The four main causes of crane accidents are contact with power lines, overturns, falls and mechanical failure. 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. Be aware of any potential hazards near the work area, and report them to the supervisor immediately. Electricity travels in closed circuits, and its normal route is through a conductor. in the vicinity of the KM OHL network. This rating has been stable over the past 12 months. OSHA's Hazard Communication Standard (HazCom) is designed to ensure that information about __________and associated protective measures is disseminated. When operating a hoist, properly trained employees in the vicinity should understand that they are working in a dangerous area. The Trustees protect and share the Massachusetts places people love for their "exceptional scenic, historical . 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). Explain. Material handling tasks should be designed to minimize _________ of the given activity. The crane operator and any workers below should also be aware of his/her surroundings and never walk under a lift. If a moving part on an overhead crane wears out or breaks the hoist, it can cause serious damage. Complete post-operation checks to ensure the crane is in good working order before shutting it down. -- Hearing protection to be used. The first step in building a scaffold is to: 3. The second method is to roll the load back and forth on the tracks along the bar itself. Most victims are guiding the load at the time of contact, but risks extend to everyone present at a job site. Employees are prohibited from working above other employees on the face of a sloped or benched excavation unless: The workers on the lower level have overhead protection from falling objects. 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. 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 . 8. 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). Countless companies in the manufacturing and construction industries rely on overhead cranes to lift and transport materials. It is essential that you have the manufacturers operating manuals and are familiar with your particular crane. While both involve similar kinds of work, the type of crane operated and the work U.S. Office of Personnel Management 3 In case of emergency contact 911 / 02-425-0911 Job Safety Analysis PROJECT TITTLE Company: Risk Assessment No: NEW REVISED PAGE NO. Material handling tasks should be designed to minimize _________ of the given activity. 1. 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). 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. 4. Monitor activities in the surrounding area to identify potential hazards or obstacles that may interfere with lifting operations. 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.) A crane is a powerful and heavy machine that is equipped with cables and pulleys and is based upon the application of mechanical principles. Power tools should never be carried by the cord or hose or be yanked from a receptacle by the cord or hose; and cords and hoses should be kept away from: 4. 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). 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. Exception: When the employer can demonstrate that it is neither feasible to erect such barriers on the ground nor on the equipment, the hazard areas must be clearly marked by a combination of warning signs (such as "Danger--Swing/Crush Zone") and high visibility markings on the equipment that identify the hazard areas. 1926.1424 (a) (2) To prevent employees from entering these hazard areas, the employer must: 1926.1424 (a) (2) (i) 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. 5. -- Requires operators to take and pass a written and road test (similar to a driver's education) before they can operate the forklift. 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. It is designed in such a manner that all overturning forces are counteracted by the concrete pad and the counterweights hanging off the machinery arm. This rating has improved by 12% over the last 12 months. Looking for the perfect fall protection equipment? Approximately 75 percent of struck-by fatalities involve: It is preferable not to drive a vehicle in reverse if you have an obstructed rear view, but if you do, make sure: Workers are most at risk from falling objects when standing or working: -- under scaffolds --Helped reduce workplace injuries and illnesses by 40 percent (Your Answer) Provide training, supervision and guidance to crane operators on proper operating techniques, safety procedures, and maintenance. Oftentimes, operators mistakenly believe they are able to rely on their instinct or experience to determine whether a load is too heavy. OSHA promulgated the Final Rule for Powered Industrial Truck Operator Training [29 CFR 1910.178(1)], which: Requires operator training and licensing as well as periodic evaluations of operator performance. -- Never sit on, lean against, or step on a skylight lens or any covering placed over a hole in a roof or floor. Operate cranes according to safety procedures and local laws. 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 responsibilities for undertaking the various activities involved in the ground assessment are set out below: The slings that cranes use to hold suspended loads are also a key element in this kind of material handling. Why? The three main scaffold types are aerial lifts, supported scaffolds and: 7. 3. Since the invention of the crane in ancient Greece, it has been a part of the working landscape. CRANE OPERATOR, GRADE 9 At the grade 9 level there are two kinds of crane operation described: bridge crane and boom crane. 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). 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. -- the frequency. Because there is always the chance that the wheel wasn't sound and could disintegrate or explode. Employees working around overhead cranes should always wear proper head, foot, hand, and eye protection. As a result, San Francisco alone has seen more than a 24% increase in office vacancy. 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. One way to reduce the risk of falling materials is to perform regular maintenance of hoists. Workers must use caution so that they do not place themselves in dangerous areas where they can be struck by falling loads or by falling or collapsing crane components. The type of fall protection required will depend upon: 1. Prior to starting all demolition operations, OSHA 1926.850 (a) requires that an engineering survey of the structure be conducted by a competent person. Report any accidents or violations to the supervisor immediately. Communicate and coordinate with the crane operator, crew and ground personnel during an operation. -- Engineering and Administrative Controls 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? 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. In a vast majority of cases where team personnel are at fault, it is due to inattention, poor judgment, overconfidence, or haste to . 1. Provide guards on power tools and other equipment with moving parts. To start, its important to establish who is in charge of prejob safety planning before any cranes arrive at a worksite. Do not move your load with coworkers around the area. Each year nearly 200 people die from power line contact and about three times as many are seriously injured. But, the danger is not just limited to the operator. Crane Aerospace & Electronics has an overall rating of 3.6 out of 5, based on over 338 reviews left anonymously by employees. 8. Trench boxes or shields must be designed or approved by: 7. Cost and energy savings Third Party Contractor to submit specific Method statement to work in vicinity of existing MV/LV OHL wherever required based on the field conditions. Using technologies such as load-measuring systems for training and planning can greatly reduce the hazard of overloading and operator incompetency. $$ Crane operation safety is the result of effective teamwork among operators, riggers, and crane walkers. Gloves that are chemically resistant are usually made from: 1. 8. Read, understand and interpret diagrams or manuals related to crane operations. The working principle of a tower crane is surprisingly simple. Approximately 75 percent of struck-by fatalities involve: Heavy equipment, such as trucks or cranes (Your Answer). -- Being crushed by improperly stored materials. 8. Employees and employers need to have a full understanding of the risks of falling objects and lax protocols when operating a crane. Crane Safety Hazards and Control Measures. -- Resist penetration by objects and absorb the shock of a blow True or False: There is usually some form of warning before a cave-in. Careful operation of the hoist is another important safety factor to consider whenever overhead cranes are used. 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? Changing or reversing direction should be done slowly and carefully. While duties can vary depending on their employer and industry, crane operators typically perform the following tasks: Inspecting cranes and their hydraulic systems thoroughly before operation Moving the crane's main arm into place, connecting materials to the crane, then moving the crane and its arm to place materials Further information Power line contact is literally defined as the inadvertent contact of any metal part of a crane with a high-voltage power line. Overall, most crane safety programs outline competent personnel requirements, and its a good idea to become familiar with 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). Hazards related to this job Specific preventive measures can be seen by clicking on the respective in the third column of the table. The OSHA standard mandates that any time a worker is at a height of six feet or more, the worker is at risk and needs to be protected. Improper grounding of circuitry and equipment. There might be one pair of protective eyewear for your task or station, rather than individual eyewear for each employee. Mechanical failure can also cause machinery to malfunction unexpectedly and drop a heavy load. Crane lift roles include operators, riggers, signal persons, crane owners, crane users, and lift directors. Which of the following is an element of a hearing conservation program? 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. improper grounding of circuitry and equipment. Planning is one of the biggest accident deterrents available. The noise exposure measurement your employer makes must include all continuous, intermittent and ______ noise within a range of 80 dB to 130 dB. When dismantling a scaffold, all work should be conducted: Tube and coupler scaffolds over 125 feet high must be designed by: What type of scaffold - other than the tube and coupler scaffold - is ideal for use around complex structures? 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. They are allowed to operate cranes to do maintenance work, to do an inspection, or to verify that the crane is working properly. Submit a written, signed complaint with specific hazard information. Find the sum of the first $38$ terms of the arithmetic sequence with first term $2$ and $38$th term $113$. 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 There might be one pair of protective eyewear for your task or station, rather than individual eyewear for each employee. 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. The three most common hazards involving overhead cranes include electrical hazards, overloading, and materials falling/slipping from overhead hoists. 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. 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). Workers are most at risk from falling objects when standing or working: 2. 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. 10. No employees are permitted in the fall zone. -- Be water-resistant and slow burning Required fields are marked *, 2023 Occupational Health and Safety Blog | NEBOSH IGC | OTHM Level 6 | Designed By TechnSEO, The Importance Of Completing Pre Job Planning Activities When Trenching, Allegedly Drunk Crane Operator Crashes into 4 Cars on New York Highway, Factors That May Cause A Forklift Truck To Overturn, Builder sentenced after causing risk of carbon monoxide poisoning. 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. Maintenance should always be treated seriously when it comes to heavy machinery. 37. Employees working in the vicinity of a crane must take care to avoid what kind of accident? This scaffold is simply a rope attached to a harness with an assembly like a boatswain's chair for the worker to sit in. 3. The mission of the Occupational Safety and Health Administration (OSHA) is: To send every worker home whole and healthy every day Electricity travels in closed circuits, and its normal route is through a conductor. "Remote work it will . Sharp, abrasive, pinching, or otherwise hazardous moving parts of power tools: Must have guards to prevent contact with workers (Your Answer). 6. It is the property owner's responsibility to complete this form and return it to teh FAA at least 48 hours prior to the start of construction or alteration work . What impact, if any, did this have on exports of natural gas? Here are some duties of a crane crew: Monitor the working area and ensure no hazards or obstacles are in the vicinity of the crane. 8. Power line contacts most often occur because safety planning isnt considered and preventative measures havent been taken to avoid hazards. Crawler cranesSuitable for multiple ground types, including soft ground, and can move around the site with ease. It is used to lift loads beyond human capability. 10. Supervisor accounts for all workers. Slings are made of a variety of materials. 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. 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