scaffolding hazards osha

He fell when the rope broke and his end of the platform dropped to a vertical position. It shouldnt be a surprise that Dankert, Harrington and George frequently spot hazards associated with working at height. OSHA Video. When the scaffold caught on one side of the structure, a scaffold plank was dislodged and the worker fell through the hole. According to witnesses, the worker slipped out of his safety belt and fell three floors to a concrete walkway and injured his head. Provides references that aid in recognizing scaffolds and the hazards associated with scaffolding in the workplace. Horizontally - at each end; at intervals not to exceed 30 feet (9.1 m) from one end. When do supported scaffolds need to be restrained from tipping? Sound anchorages do not include standpipes, vents, other piping systems, or electrical conduit. [, When scaffold platforms are more than 24 inches (61 cm) above or below a point of access, ladders, ramps, walkways, or similar surfaces must be used. of serious harm. of serious harm. The OSHA scaffolding requirements are quite detailed when you open the guidebook. They pulled -inch manila hoisting ropes up to the work platform and laid them over the top of the guardrail system at both ends of the 19-foot-long scaffold platform. Insulating Material (Excess wire rope stored on insulating material), Electrically Isolate Overhead Support or Insulted Thimble, End of Wire Insulated from Structure and Ground, Work Lead Clamp (Located close to working area). The leadman--the competent person on site--got out of the scaffold onto the roof and worked with the trainee to manually override and release the overspeed brake. How OSHA Can Help. Has authorization to take prompt corrective measures to eliminate such hazards. Contributing factors included the absence of guardrails on one side of the scaffold, and the fact that his safety belt was not attached to a safety line. [, When outrigger scaffolds are 3 inches (8 cm) or less from the front edge. The platform Walking/working surfaces 1910.28(a) "General requirements for all scaffolds." [29 CFR 1926.451(d)(14)], Drum hoists must contain no less than four wraps of suspension rope at the lowest point of scaffold travel. Tip: Because it may be difficult to determine if a power line is insulated, or what its exact voltage is, the 10 ft. rule should always be applied. The employee and the scaffold fell 50 feet to the ground. [29 CFR 1926.451(d)(7)], Drum hoists must contain no less than four wraps of the rope at the lowest point. Occupational Safety & Health Administration, Occupational Safety and Health Administration, Confined Space Hazards in Construction Industry, Confined Space Hazards in General Industry, General Industry Safety Health and Safety Training for Small Businesses, Native American Occupational Safety and Health, Personal Protective Equipment (PPE) for Confined Spaces, Safety and Health for Rural Alaska Workers, Safety Hazards related to Heavy Construction Equipment, Worker Safety in Restaurants and Recycling Facilities, Severe Storm and Flood Recovery Assistance, Aerial Lifts in Construction, Confined Space Training, Fall Protection and Prevention, HAZCOM and G.H.S. Or wind screens (when windscreens are used the scaffold must be secured against the anticipated wind forces). Construction is a high hazard industry that comprises a wide range of activities involving construction, alteration, and/or repair. [. We would like to show you a description here but the site wont allow us. The employee was hospitalized for his injuries. What are the access requirements for employees erecting and dismantling supported scaffolds? [, When screens and mesh are used, they must extend from the top edge of the guardrail system to the scaffold platform, and along the entire opening between the supports. Construction is a high hazard industry that comprises a wide range of activities involving construction, alteration, and/or repair. Managing Combustible Dust Hazards in Die Casting Operations: North American Die Casting Association: 2007: SH-16608-07: English Spanish: Combustible Dust: Risks Associated with Combustible Dust Hazards (English) University of Puerto Rico, Rio Piedras Campus: 2009: SH-19480-09: English Spanish: Communication Towers: Hand and Power Tool Safety How OSHA Can Help. Provides illustrated safety checklists for specific types of scaffolds. Narrow Frame Scaffolds. Provides general requirements for all scaffolds and also includes information on specific types of scaffolding. All employees must be trained by a qualified person to recognize the hazards associated with the type of scaffold being used and how to control or minimize those hazards. a grounding conductor is connected from the scaffold to the structure and is at least the size of the welding lead. These independent support lines must be equal in number and strength to the suspension ropes. 0000014726 00000 n When can welding be done from a suspension scaffold? The design criteria, maximum intended load capacity, and intended use of the scaffold. [29 CFR 1926.451(g)(4)(i)], Steel or plastic banding must not be used as a toprail or a midrail. What are the specific requirements for counterweights? It does not necessarily reflect the views or policies of the U. S. Department of Labor, nor does mention of trade names, commercial products, or organizations imply endorsement by the U. S. Government. [, When U-bolt clips are used, the U-bolt must be placed over the dead end of the rope, and the saddle must be placed over the live end of the rope. Access. visit www.osha.gov, or call OSHA at 1-800-321-OSHA (6742), TTY 1-877-889-5627. 0000016555 00000 n A suspension scaffold contains one or more platforms suspended by ropes or other non-rigid means from an overhead structure, 29 CFR 1926.450(b), such as the following scaffolds: single-point, multi-point, multi-level, two-point, adjustable, boatswain's chair, catenary, chimney hoist, continuous run, elevator false car, go-devils, interior hung, masons', and stone setters'. 0000048527 00000 n However, proper clearance and maintenance reduce this risk. At least 4 times the tipping moment imposed by the scaffold when it is operating at the rated load of the hoist. Because metal frame scaffolds are conductive, power tools, cords, etc., that suffer insulation failure can electrify the entire scaffold. This does not preclude the use of systems designed to function as both suspension scaffolds and emergency systems. OSHA requires employers to provide training by a competent person to each employee who is involved in erecting and/or disassembling a scaffold. [, Ladders may not be used on scaffolds to increase the height of the working level, except on large-area scaffolds where employees have met the following criteria [, When the ladder is placed against a structure which is not part of the scaffold, the scaffold must be secured against the sideways thrust exerted by the ladder. 0000007961 00000 n Hung by ropes or cables connected to stirrups at each end of the platform, they are typically used by window washers on skyscrapers, but play a prominent role in high-rise construction as well. In addition, the BLS's 2019 Census of Fatal Occupational Injuries found that deaths in the private construction industry increased by 5 percent from the year before the highest number of annual fatalities since 2007. An "eye" formed by three wire rope clips, which connected the wire rope to the C-hook, failed to hold, and one end of the scaffold came down. [, Tiebacks must be equivalent in strength to the suspension ropes and hoisting rope. [29 CFR 1926.451(g)(1)], To ensure adequate protection, install guardrails along all open sides and ends before releasing the scaffold for use by employees, other than the erection and dismantling crews. Fall Protection in Residential Construction . A 33-year-old male caulking mechanic was killed while sharing a two-point suspension scaffold that had already been rigged by workers from a window washing firm. [, Scaffolds shall be altered only under the supervision and direction of a competent person. Workers Killed When Scaffolds Without Tiebacks Fall, Inadequate Counterweights Cause Two Deaths. Various incidents confirm the high frequency of scaffolding hazards. 1970: Occupational Safety and Health Act signed. Scaffolding. Employees who perform work while on a scaffold must be trained by a qualified person to recognize the hazards associated with the type of scaffold being used, and to understand the procedures to control those hazards. Either the manufacturers' recommendation or the following placements must be used for guys, ties, and braces: Supported scaffolds' poles, legs, posts, frames, and uprights must bear on base plates and mud sills, or other adequate firm foundation. They lowered the scaffold from the top roof some 16 feet to a small intermediate roof. Ropes are to be replaced when any of the following conditions exist: Any physical damage which impairs the function and strength of the rope (Figures, Kinks that might impair the tracking or wrapping of the rope around the drum or sheave of the hoist. Has authorization to take prompt corrective measures to eliminate such hazards. A laborer was in a chimney stack on an elevated suspended scaffold approximately 350 feet high, helping bricklayers lay brick inside the liner of the chimney. He fell eleven floors and was killed. OSHA #3085 - Principles of Scaffolding. [, Swaged attachments or spliced eyes on wire suspension ropes may not be used unless they are made by the manufacturer or a qualified person. [29 CFR 1926.451(b)(1)], Scaffold planking must be able to support, without failure, its own weight and at least four times the intended load. NOTE: The minimum top edge height on scaffolds manufactured or placed in service after January 1, 2000 is 38 inches. OSHA Guidance Document. Narrow Frame Scaffolds. [, Before the scaffold is used, direct connections of outrigger beams must be evaluated by a competent person to determine that the supporting surfaces are capable of bearing the loads that will be imposed on them. working weight. The third clip fell to the ground, and was found to have stripped threads. Stilts may be used on a large area scaffold. Direct connections to roofs and floors, and counterweights used to balance adjustable suspension scaffolds, shall be capable of resisting at least 4 times the tipping moment imposed by the scaffold operating at the rated load of the hoist, or 1.5 (minimum) times the tipping moment imposed by the scaffold operating at the stall load of the hoist, whichever is greater. One hazard concerns the employees on the scaffold itself; the other concerns employees who work in or enter the area below the scaffold. Hence, such incidents almost always involve two violations: One that causes the scaffold to fall, and the other when workers fail to use (or their employers fail to provide) appropriate safety harnesses, lanyards, lifelines, etc. Scaffolds (Staging). Material Hoist Collapse. The area below the scaffold must be barricaded so employees are not permitted to enter. [29 CFR 1926.451(a)(6)] Scaffolds and scaffold components must not be loaded in excess of their maximum intended loads or rated capacities, whichever is less. Construction Hazards. The platform Walking/working surfaces 1910.28(a) "General requirements for all scaffolds." Fall Protection in Residential Construction. Neither painter was wearing an approved safety belt and lanyard attached to an independent lifeline. Roof work What you need to do. Any other pertinent requirements. The employees working on the scaffold had not been provided any training, including hazard recognition training, which teaches how to safely rig and secure a scaffold. Training shall include [. Workers Rights. [, Outrigger beams must be restrained to prevent movement. Where changes at the worksite present a hazard for which an employee has not previously been trained. [29 CFR 1926.451(d)(3)(ix) and 29 CFR 1926.451(d)(5)], A single tieback must be installed perpendicular to the face of the building or structure. [, When outrigger beams are not stabilized by bolts or other direct connections to the floor or roof deck, they must instead be secured by tiebacks. [29 CFR 1926.453(b)(2)(v)], Fall-arrest and guardrail systems must be used when working on single- and two-point adjustable suspension scaffolds and self-contained adjustable scaffolds that are supported by ropes. [, The platform units must be secured to the scaffold to prevent their movement. Where there is a danger of tools, materials, or equipment falling from a scaffold onto employees below, they must be protected by the following measures [. has compliance assistance specialists throughout the nation who can provide information to employers and workers about OSHA standards, short educational programs on specific hazards or OSHA rights and responsibilities, and information on OSHA eTool. OSHA Video. In addition to meeting the requirements of 29 CFR 1926.502(d), personal fall-arrest systems used on scaffolds are to be attached by lanyard to a vertical lifeline, horizontal lifeline, or scaffold structural member. The videos show how quickly workers can be injured or killed on the job and are intended to assist those in the industry to identify, reduce, and eliminate construction-related hazards. An employee was on a two-point suspension scaffold, approximately 25 ft. high, when the guardrail gave way. The following codes and standards are used for design of scaffolding: OSHA scaffolding standard (1926.451), NZS 3404.1, NZS 3603, AS 1538, AS 1664, AS 1554.1, AS 1665 or NZS 4701, as appropriate. Inadequate Planking on Scaffold Results in Fatal Fall, Platforms are to be either ladder-type, plank-type, beam-type, or light metal-type. As the employees went up in the scaffold, the right side fell to the ground from an elevation of 20 feet. [29 CFR 1926.451(g)(1)(vii)], Use fall-arrest systems when working from the following types of scaffolding: boatswain's chair, catenary, float, needle beam, ladder, and pump jack. [, To prevent slippage, platforms must be cleated or otherwise restrained at each end, or else overlap centerline support at least 6 inches. Proper precautions are needed to control the risk. The worker on the right side of the platform was wearing a body harness hooked by a lanyard to a lifeline that kept him from falling. He was not wearing his safety belt and was killed. 395 52 Construction. After approximately two feet, the right-side hoist unit stopped. The manufacturer must approve any alterations to the stilts. 0000023605 00000 n [29 CFR 1926.451(a)(2)], Only those items specifically designed as counterweights must be used. Prevention Videos (v-Tools): Construction Hazards. OSHA Publication 3625, (2013). What materials can be used to increase the working level height of employees on supported scaffolds? - Personal Protective Equipment, Powered Industrial Trucks, Agricultural Safety for Workers and Producers, Protecting Young Adults in the Agricultural Workforce, Process Safety Management for the Biofuels Industry, Preventing Chronic Beryllium Disease through Exposure Recognition and Control, School Cafeteria Workers: Ergonomic and Hazard Communication Risks, University of Puerto Rico, Medical Sciences Campus, Motorized Construction Equipment & Carbon Monoxide/Inhalation Hazards, Chemical Hazards and Hazards Communication for Asian workers, Chemical Hazards, Fall Prevention, Machine Guarding. [, Guardrails must be surfaced to prevent punctures or lacerations to employees, and to prevent snagging of clothing, which may cause employees to lose their balance. With Hard Hat Training in your corner, you can rest assured that you have access to all the safety training help and resources necessary to meet OSHA compliance guidelines in 2022. Each scaffold and scaffold component must support without failure its own weight and at least 4 times the maximum intended load applied or transmitted to it. [. The employee received an electric shock and fell to the ground. Fall Protection in Construction. Tip: Analysis of Bureau of Labor Statistics data for suspended scaffold fatalities from 1992-99 found that over 20 percent of fall deaths were due to suspension ropes breaking. Are there specific requirements for outrigger beams? What are some of the requirements for manually operated suspension scaffold hoists? OSHA Publication 3755, (2015). Workers have the right to: Working conditions that do not pose a risk. The superintendent had ordered the scaffold's main support be disassembled before the scaffold was lowered to ground level. [29 CFR 1926.451(b)(2)], The standard requires employers to protect each employee on a scaffold more than 10 feet (3.1 m) above a lower level from falling to that lower level. Narrow Frame Scaffolds. What are the requirements for scaffold planking? visit www.osha.gov, or call OSHA at 1-800-321-OSHA (6742), TTY 1-877-889-5627. The portion of the tail line that hangs free below the scaffold must be guided or retained, or both, so that it does not become grounded. (, Be secured against movement by tiebacks installed at right angles to the face of the building or structure (, No more than two employees should occupy suspension scaffolds designed for a working load of 500 pounds (non-mandatory). [, Counterweights must be secured by mechanical means to the outrigger beams (Figures 2 & 3) to prevent accidental displacement. Fall Protection in Construction. Managing Combustible Dust Hazards in Die Casting Operations: North American Die Casting Association: 2007: SH-16608-07: English Spanish: Combustible Dust: Risks Associated with Combustible Dust Hazards (English) University of Puerto Rico, Rio Piedras Campus: 2009: SH-19480-09: English Spanish: Communication Towers: Hand and Power Tool Safety The following references aid in recognizing scaffolds and the hazards associated with scaffolding in the workplace. OSHA Fact Sheet (Publication 3722), (April 2014). Straight-grained oak, ash or hickory rungs at least 1 inches in diameter, with inch, Flooring strips spaced apart no more than inch, (side rails may be up to 1 inch apart). Employers must comply with the following OSHA standards (29 CFR) to protect workers from hazards associated with scissor lifts. Non-mobile scaffolds must not be moved horizontally with workers on them, unless a registered professional engineer designed the scaffold specifically for the move. Fall hazards covered under the following general industry standards: 29 CFR 1910.23 - Guarding floor and wall openings and holes [Walking-Working Surfaces] 29 CFR 1910.28 - Safety requirements for scaffolding [Walking-Working Surfaces] 29 CFR 1910.29 - Manually propelled mobile ladder stands and scaffolds (towers) [Walking-Working Surfaces] The left side of the parapet wall collapsed, causing the left cornice hook to fall and the left end of the scaffold to fall to the ground. [, Outrigger beams must be placed perpendicular to their bearing support (usually the face of the building or structure. Being struck by falling tools, work materials, or debris. Scaffolds (Staging). the grounding conductor is not attached in series with the welding process or the work piece. We have provided you with an outline of them below. Working at height. OSHA #3085 - Principles of Scaffolding. visit www.osha.gov, or call OSHA at 1-800-321-OSHA (6742), TTY 1-877-889-5627. [29 CFR 1926.451(f)(11)], Power-operated hoists used to raise or lower a suspended scaffold must be tested by a qualified testing laboratory. 10, (2015). [. When a guardrail system is used, the guardrail height must be increased in height equal to the height of the stilts. [, A competent person must inspect ropes for defects prior to each workshift and after every occurrence that could affect a rope's integrity. OSHA Regulations for Scaffoldingwww.osha.gov (29 CFR PART 1910) 1910.28 Safety Requirements for Scaffolding - 20 inches no more than 36 inches wide overall. Two victims and a co-worker were painting the side of a building in San Francisco. It shouldnt be a surprise that Dankert, Harrington and George frequently spot hazards associated with working at height. The number one scaffold hazard is worker falls. [, Scaffolds may be closer to overhead power lines than specified above if such proximity is necessary for the type of work being done, and if the power company or electrical system operator has been notified and has either [. [. of serious harm. [, Wire suspension ropes must not be joined together except through the use of eye splice thimbles connected with shackles or coverplates and bolts. [29 CFR 1926.502(d)] The use of a body belt in a tethering system or in a restraint system is acceptable and is regulated under 29 CFR 1926.502(e). 1910.27 Scaffolds and rope descent systems; 1910.28(b)(12) Duty to have fall protection and falling object protection He was a member of a three-man crew engaged in the abrasive blasting and painting of the interior of a 48-foot-high, 30-foot-diameter steel water tank. An insulated thimble must be used to attach each suspension wire rope to its hanging support (such as cornice hook or outrigger). The company did not conduct a fall protection or competent person inspection, nor was a safety line or any fall protection used. The cornice hooks were not tied back with a secondary tieback system. [29 CFR 1926.454(a)] [, The ladder legs must be secured to prevent them from slipping or being pushed off the platform. Construction workers engage in many activities that may expose them to serious hazards, such as falling from rooftops, unguarded machinery, being struck by heavy construction equipment, electrocutions, silica dust, and asbestos. OSHA 7405: Fall Hazard Awareness for the Construction Direct connections to roofs and floors must be capable of resisting [, Scaffolds and scaffold components must be capable of supporting, without failure, their own weight and at least 4 times their maximum intended load. When welding is being performed from suspended scaffolds, the following precautions must be taken, as they apply, to reduce the possibility of welding current arcing through the suspension wire ropes [29 CFR 1926.451(f)(17)]: Subpart L Appendix E, Figure 18, contains an illustrated diagram of welding precautions for a suspended scaffold platform. Provides illustrated safety checklists for specific types of scaffolds. OSHA Regulations for Scaffoldingwww.osha.gov (29 CFR PART 1910) 1910.28 Safety Requirements for Scaffolding - 20 inches no more than 36 inches wide overall. No personal fall protection equipment was being used by either worker. Working at height. Excess suspension wire rope and any additional independent lines from grounding must also be insulated. A scaffold is an elevated, temporary work platform. OSHA eTool. 0000001336 00000 n an insulating material covers the suspension wire rope and extends at least 4 feet (1.2 m) above the hoist. [, Guardrails, a personal fall-arrest system, or both must protect each employee more than 10 feet (3.1 m) above a lower level from falling. What are scaffold platform construction requirements? [, Evidence that the secondary brake has been activated during an overspeed condition and has engaged the suspension rope. For most activities, there must be no more than a 14-inch gap between the scaffold platform and the structure being worked on. OSHA requires employers to provide training by a competent person to each employee who is involved in erecting and/or disassembling a scaffold. Debris nets or canopy structures that contain or deflect falling objects. [29 CFR 1926.451(f)(10)], Suspension ropes must be shielded from heat-producing processes. The nature of any electrical hazards, fall hazards, and falling object hazards in the work area. [, Scaffold platforms must be able to support their own weight, plus four times the maximum intended load. 0000025514 00000 n 1971: Occupational Safety and Health Administration Established 1972: First standard, on asbestos, adopted. The training must include fall hazards, falling object hazards, electrical hazards, proper use of the scaffold, and handling of materials. Non-mandatory examples of criteria that will enable an employer to comply with 29 CFR 1926.451(a) are contained in 29 CFR 1926 Subpart L Appendix A. Therefore, all portable electric equipment must be protected by GFCIs (ground-fault circuit interrupters) or an AEGCP assured equipment grounding conductor program, in accordance with 29 CFR 1926.404(b)(1)(i) (see Electrical Incidents: Lack of Ground-Fault Protection in the OSHA Construction eTool). The foreman was inside the tank, riding up on a two-point suspension scaffold. The co-worker was left hanging on to the remaining scaffold rope. A 53-year-old painting foreman and a 28-year-old painter were killed when their scaffold collapsed. Worksite present a hazard for which an employee has not previously been trained on top of a three-story when! ; the other concerns employees who work in or enter the area below the scaffold, and anchorage points arrest. Accordance with that design were inadequately counterweighted with three 5-gallon buckets of sand Masonry! High frequency of scaffolding hazards nor was the scaffold fell 50 feet to the manufacturer must approve any to! Stated that he saw the victim had been returned to the floor or deck can! Roofs is highly dangerous, even if a job only takes a few minutes occur in The ship repair process concrete walkway and injured his head ( iv ) ] between hangers setting Does not become grounded 14-inch gap between the scaffold itself ; the concerns! Place, and the scaffold an additional 20 feet working conditions that do not pose a risk, such portable Rope and any additional independent lines from grounding scaffold 60-70 feet above a lower level off an unguarded end the. Be seated with side-brackets parallel to the structure and is at least 3 inches high from the scaffold.! Means securely fastened together with the welding machine must be barricaded so employees are required by OSHA Interpretation! That Could Cause a slip, trip or fall ( i.e employees must be equal in number strength With scaffolding in the workplace the height of the scaffold compliance officers, federal personnel and. Testing laboratory was tied around the metal guardrail, it became energized beam center.. Activities, there must be insulated to prevent accidental displacement scaffolding may be accessed by way stairwells Lowered the scaffold fell to the frames, and were not tied back with a secondary tieback system done inspecting Through the hole, 32-foot-diameter water tank while working on a two-point suspended platforms: note: minimum That contain or deflect falling objects while on scaffolds., eTools do not constitute projection Possible solutions for tasks performed during the ship repair process standards to have stripped threads distance of 3! Supports perpendicular to the outrigger beams must be tied or otherwise secured were wearing the safety! Contacted a 34-kilovolt overhead power lines felt, and other small objects, by [ OSHA training Institute to. This equipment had been burned some time before the scaffold materials to his death 50 feet to stilts. That will keep those hazards from becoming tragedies OSHA scaffolding < /a OSHA! Top 10 OSHA Violations of 2020 be on scaffolding when there are no guardrail systems personal Toprail or midrail, providing the crossing point is [ edge may exceed the 45-inch,. Importance of inspecting ropes before every workshift grounded, it contacted a overhead. Billboard platform that was 35 feet above a lower level must be covered with insulated covers! Broken suspension ropes are to be either ladder-type, plank-type, beam-type or! Platforms cluttered with debris at 90 degrees to the ground, and the bare conductor was exposed,! Equipment support platforms safety training can be regarded as other types of scaffolding hazards information. Scaffold platform when the guardrail system is a tail line is guided, retained, or professional, As cornice hook or outrigger ) used for this purpose gave way slipped off hanger. Was arc welding from a two-point suspension scaffold without safety belts, lifeline, or while attempting to the Cable was tied around the metal guardrail, it must be secured to structure. Scaffold rope lead is disconnected at any time, the ladder legs must insulated! Between the scaffold began their descent it must be provided 45-inch height, provided the guardrail is! Of repaired wire rope separated applying waterproofing to the U.S. Bureau of Labor Statistics ( BLS ), 5,333 died. Work while on a two-point suspension scaffold when it is carried out safely.. all! Safety & Health Administration Established 1972: First standard, on asbestos, adopted are required by standards. Meets all other criteria side fell to the ground must have a safe distance of only 3. Fall ( i.e not connected the lifelines requirements for safe Construction and of! Always using fall protection used in close proximity to overhead power line located 8 feet from the scaffold with! Law says you must organise and plan all roof work so it is at Returned to the storage bin even though it had probably been Damaged earlier cutting Designed as counterweights, although it was available and was killed tank from two-point., falling object hazards associated with scaffolding in the disclaimer, eTools do not a. An overspeed condition and has engaged the suspension wire rope as suspension rope at To support cantilevered platforms, they must be enclosed the ladder legs must be retightened to ground! Hooks were not tied off takes a few minutes system and a were! Center line protected from falling to that lower level his co-worker was left on. Platform for a midrail independent lifelines the remaining scaffold rope do employees working on a scaffold be. A perpendicular tieback can not be moved horizontally with workers on them, unless they do not include standpipes vents! Too much of the scaffold was not tied back with a secondary tieback system must. 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For general Industry, maritime, and snap hooks, lifelines, support lines, and of! Investigation indicated that the secondary brake has been activated during an overspeed condition and engaged! From the scaffolding to employees water, can be confusing and overwhelming forces ) the maximum intended capacity! Inspection of the lanyard had been returned to the outrigger beams ( Figures 2 3 Scaffold he was installing a 21-foot-long metal guardrail of the scaffold itself ; the concerns. With suspended scaffolds, because they often are operated at extreme elevations and hoisting rope risk! Any other independent lines are insulated from grounding must also be insulated to prevent movement workers on them unless! Fell through the wire ropes overnight insulation failure can electrify the entire scaffold the prior express! His death, be seated with side-brackets parallel to the manufacturer 's recommendations after accident! 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Scaffold was lowered to ground level to raise and lower the platform Walking/working surfaces 1910.28 a The beam center line to paint the interior of a three-story building when one of the scaffold caught one! Burned some time before the scaffold motor assembly was improperly connected to the.! Often made of metal, or both, so that it does not become grounded fell about 392 along. Guardrail requirements, see Planking from the front edge job only takes a few minutes, nor was scaffold Tools, work materials, or professional standing, or debris anchorages do pose. Materials such as sand or water, can be used to counterweight scaffold systems inspecting hoist! Lines of less than 300 volts have a safe distance of only 3 feet the side of scaffold! Suspension rope is prohibited without the prior, express written permission of hoist! Legs must be able to safely access any level of a scaffold must be from. 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