This particular rig had been used without incident every day for two week preceding this fatal fall. Each platform unit on all working levels of scaffolds must be fully.Space between adjacent units must beAlthough use of stamped or marked scaffold grade lumber is not required, it is up to the. Because the platform is the work area of a suspended scaffold, an inspection requires safety checks of both the platform structure and how the platform is used by the workers. Supported Scaffolds Scissor Lifts Aerial Lifts All Types Scaffolding Frequently Asked Questions General Information Summary and Explanation of the Final Rule General Requirements For Scaffolds Capacity Scaffold Platform Construction Criteria for Supported Scaffolds Criteria for Suspended Scaffolds Access Requirements Use Requirements The employee was hospitalized for his injuries. Rungs must be 1" minimum diameter with at least " in diameter tenons, and the maximum spacing must be 12" to center. (, 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). When acids or other corrosive substances are used on a scaffold, the ropes shall be shielded, treated to protect against the corrosive substances, or shall be of a material that will not be damaged by the substances. block is an..Supported scaffold poles, legs, posts, frames, and uprights must be.. = Mud sills must be used in soil, asphalt. The superintendent was in a rush to get the system disassembled because a helicopter had been contracted to remove the structural members of the scaffold support system on Monday. [. [, Ends of rails may not extend beyond their terminal posts, unless they do not constitute a projection hazard to employees. Midrails, screens, mesh, intermediate vertical members, solid panels, etc., must be able to withstand a force of at least 150 pounds applied in any downward or horizontal direction, at any point along the midrail or other member. In addition to wearing ___?___, each employee on a scaffold shall be provided with additional protection from falling hand tools, debris, and other small objects through the installation of toeboards, screens, or guardrail systems, or through the erection of debris nets, catch platforms, or canopy structures that contain or deflect the falling objects. Wood platforms must not be coveredScaffold components from different manufacturers mustA competent person must determine that the.. [, Provided with stop bolts or shackles at both ends. (Figure 4) [, Each suspension rope, including connecting hardware, must be capable of supporting, without failure, at least 6 times the maximum intended load applied to that rope while the scaffold is operating at the greater of either [. The preferred industry practice at the beginning of a shift is to raise the scaffold 3 feet, hit the brakes, then lower the scaffold and hit the brakes again. [, Scaffold platforms must be able to support their own weight, plus four times the maximum intended load. NOTE: The minimum top edge height on scaffolds manufactured or placed in service after January 1, 2000 is 38 inches. A scaffold can be overloaded by [. Toeboards, screens, or guardrail systems. Two employees were sandblasting a 110-foot water tank while working on a two-point suspension scaffold 60-70 feet above the ground. The employees stopped painting because it started to rain. This poses a risk of electrocution not just to the worker holding the tool, but to everyone who contacts the scaffold. the type of scaffold in question. [, Masonry units, rolls of roofing felt, and other similar construction materials shall not be used as counterweights. Even if a suspended scaffold has been assembled in compliance with every applicable standard, employers and workers must continue to exercise caution and use sound work practices to assure their safety. Or a canopy structure, debris net, or catch platform strong enough to withstand the impact of the potential falling objects shall be erected over the employees. 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. The victim died from his injuries. When wire rope clips are used on suspension scaffolds: There must be a minimum of 3 clips installed, with the clips a minimum of 6 rope diameters apart. Two employees were painting the exterior of a three-story building when one of the two outriggers on their two-point suspension scaffold failed. To prevent movement, the scaffold must be secured to the building or structure at intervals not to exceed 30 feet horizontally and 26 feet vertically. [, Gears and brakes of power-operated hoists used on suspension scaffolds must be enclosed. [, Employees are not permitted to work on or from a scaffold during storms or high wind, unless a competent person has determined that it is safe, and those employees are protected by [. [, Outrigger beams must be placed perpendicular to their bearing support (usually the face of the building or structure. The employees were not tied off independently, nor was the scaffold equipped with an independent attachment system. =Fall arrest equipment must be utilized. How did the Industrial Revolution affect the fashion and clothing industry? The victim and a co-worker were on a two-point suspension scaffold when the left winch lost its grip on the wire rope, causing the left side of the platform to drop. [, Securely fastened together with the flanges turned out when channel iron beams are used instead of I-beams. (see Falls: Unprotected Sides, Wall Openings, and Floor Holes in the OSHA Construction eTool), The employer must designate a competent person, who would be responsible for determining the feasibility and safety of providing fall protection for employees erecting or dismantling supported scaffolds. Occupational Safety & Health Administration, Occupational Safety and Health Administration, Outreach Training Program (10- and 30-hour Cards), OSHA Training Institute Education Centers, Safety Standards for Scaffolds Used in the Construction Industry, Inspection procedures for enforcing Subpart L, Scaffolds used in construction, Whether plywood may be used as scaffold decking material over wood scaffold planks; 29 CFR 1926.450 and 1926.451, Whether OSHA standards prohibit using two power hoists wired together to a single control; whether a minimum of two persons are required to be on board a two-point suspended scaffold, Requirements in 1926 Subpart L "Scaffolds" regarding the use of plywood to make platform decking for scaffolds, A Guide to Scaffold Use in the Construction Industry, Selecting and Implementing a Fall Protection System for an AWP, Rolling Towers/Mobile Scaffold: Inspection, Maintenance, and Use Tip Sheet, Preventing Electrocutions During Work with Scaffolds Near Overhead Power Lines, Preventing Worker Injuries and Deaths Caused by Falls From Suspension Scaffolds, Severe Storm and Flood Recovery Assistance, For additional information on specific state plans or other general standards, see the general industry, For additional information on related safety and health topics pages, see the general industry. [, To prevent slippage, platforms must be cleated or otherwise restrained at each end, or else overlap centerline support at least 6 inches. working weight. = Any temporary elevated platform and it's supporting structure used to support personnel and/or tools and materials. [, Counterweights must not be made of flowable materials such as sand, gravel, and similar materials that can be easily dislocated. In general, each scaffold and scaffold component shall be capable of supporting, without failure, its own weight and at least ___?___ times the maximum intended load applied or transmitted to it. Cross-braces of the proper length must be used to ensure that the scaffold will remain plumb and rigid. [, Each employee on a two-point adjustable suspension scaffold must be protected by both a guardrail system and a personal fall arrest system. sunken stomata and transpiration.. a means of access must be provided to a scaffold. On the basis of what you know about cerebellar function, how can you determine that the cerebellum is involved? Scaffolds must be far enough from overhead power lines that neither they, nor any conductive materials (e.g. Debris nets or canopy structures that contain or deflect falling objects. He was caught by his belt and lifeline, but after hanging for a few minutes, the lifeline broke and the employee fell to his death. Platforms on two-point adjustable suspension scaffolds (swing stages) must be no more than 36 inches wide, unless a qualified person has designed them to prevent unstable conditions. 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. Workers Killed When Scaffolds Without Tiebacks Fall, Inadequate Counterweights Cause Two Deaths. [, Scaffolds are to be erected, moved, dismantled, or altered only under the supervision of a competent person qualified in such activities. Investigation indicated that the scaffold motor assembly was improperly connected to the scaffold platform. Extreme weather, excessive loads, or damage to structural components can all affect a scaffold's stability. The weight of the scaffold and its occupants must be supported by both the structure to which it is attached and by each of the scaffold components that make up the anchorage system. When the employer has reason to believe an employee lacks skill or understanding involving scaffolding they must be retrained. [, Tiebacks must be installed perpendicular to the face of the building or structure (Figure 1), or opposing angle tiebacks must be installed. His assistants were outside. Able to withstand a force of at least 50 pounds applied in any downward or horizontal direction, at any point along the toeboard. The employee received an electric shock and fell to the ground. The victim, who was wearing a separate lifeline with a work belt attached to a 6 ft. lanyard, suffered a sprained back and was taken to a hospital for examination. [, Swaged attachments or spliced eyes on wire suspension ropes may not be used unless they are made by the manufacturer or a qualified person. Supported scaffolds are scaffolds supported from the ground by rigid elements such as outrigger beams, poles, legs, base plates, sills and posts. [, Direct access to or from another surface is permitted only when the scaffold is not more than 14 inches horizontally and not more than 24 inches vertically from the other surface. 4 In general, each platform on all working levels of scaffolds shall be ___?___ or decked between the front uprights and the guardrail supports. Suspended Scaffolds: Support SystemSuspended System-..Personal Protective System point, harness, lifeline, lanyard, rope grab. When scaffold platforms are more than ___?___ above or below a point of access, portable ladders, hook-on ladders, attachable ladders, stair towers (scaffold stairways/towers), stairway-type ladders (such as ladder stands), ramps, walkways, integral prefabricated scaffold access, or direct access from another scaffold, structure, personnel hoist, or similar surface shall be used. building materials, paint roller extensions, scaffold components) that may be handled on them, come closer than 10 feet to the power line. [, Outrigger beams must be made of structural metal, or other material of equivalent strength. Fabricated Frame Scaffold Fall Protection. When work was completed at the sixth floor, the men on the scaffold began their descent. The employee and the scaffold fell 50 feet to the ground. Correct procedures for erecting, disassembling, etc. This is one more reason for always using fall protection. . Draw the shape of the cord an instant later Competent persons and trained workers are critical to safety on suspended scaffolds. Only ___ are authorized to operate elevated working platforms (scissor lifts) and boom platforms. [, For two-point adjustable suspension scaffolds, access to one platform from another may only take place when the platforms [. The painter sent the helper to the sidewalk below to receive the tools and paint buckets. At the time of the incident, the victim was standing on an outer end of the scaffold platform and was pulling on the suspension rope to raise that end of the scaffold. employees below, the following measures apply: = The area below must be barricaded, or Toeboards must be installed for work platforms more than 10 feet above lower levels. A cable from this common tie-off was rigged to a block-and-tackle used from ground level to raise and lower the platform. To prevent movement, the scaffold must be secured to the building or structure at intervals not to exceed 30 feet horizontally and 26 feet . Three major components of a Personal Fall Arrest System (PFAS) include; anchor and the anchorage connector; full body harness; and: A. The maximum intended load and the load-carrying capacity of the scaffold. The intent of the standard is for the scaffold and its components . The block-and-tackle supporting the system was secured to a vertical steel pipe on top of the tank by a cable, which was fashioned into a loop by U-bolting the dead ends of a piece of wire rope. [, Scaffolds shall not be moved horizontally while employees are on them, unless they have been designed for that purpose by a registered professional engineer, or in the case of mobile scaffolds, where the provisions of, Two-point suspension scaffolds shall not be bridged or otherwise connected one to another during raising and lowering operations unless the bridge connections are articulated (attached), and the hoists properly sized. Refer to the.Equipment must.Proper distance from all. what must be utilized? Floor boards laid flat and spaced no more than inch apart, set snugly into the upper edge of the stringers, and securely nailed to 2 x 6-inch cross beams at intervals of no less than 4 feet. [, Installed with all bearing supports perpendicular to the beam center line. The proper use of the scaffold, and the proper handling of materials on the scaffold. [, On scaffolds where platforms are overlapped to create a long platform, the overlap may only occur over supports, and may not be less than 12 inches, unless the platforms are restrained (e.g., nailed together) to prevent movement. Tip: When a suspended scaffold sits overnight, water condensation may form on the wire ropes, making them slip through the braking device and cause the scaffold to fall. No personal fall protection equipment was being used by either worker. This underlines the importance of inspecting ropes before every workshift. Platform must be securely fastened to hangers by u-bolts. Scaffolds shall be erected , moved, dismantled, or altered only under the supervision and direction of a(n) ___?___ qualified in scaffold erection, moving, dismantling, or alteration. When conditions warrant, the height of the top edge may exceed the 45-inch height, provided the guardrail system meets all other criteria. The third clip fell to the ground, and was found to have stripped threads. = Top rail to be at 38 inches 45 inches. He was not wearing his safety belt and was killed. To review ladder access requirements, please refer to the OSHA Standard 29 CFR 1926.451(e) or the Supported Scaffolds module. Counterweights used to balance adjustable suspension scaffolds must be capable of resisting [. He fell eleven floors and was killed. Have walk-through stirrups specifically designed for that purpose. [, The inboard ends of outrigger beams must be stabilized by bolts or other direct connections to the floor or roof deck, or by counterweights. A bar or other means securely fastened to each end of the platform to prevent it slipping off the hanger. The fall protection requirements for employees installing suspension scaffold support systems on floors, roofs, and other elevated surfaces, are described in 29 CFR 1926 Subpart M, the Fall Protection standard [29 CFR 1926.451(g)(1)]. Why is creativity useful when identifying resources? This was done without inspecting the hoist for sufficient cable length. According to witnesses, the worker slipped out of his safety belt and fell three floors to a concrete walkway and injured his head. Suspended Scaffolds: Must be rigged and/or relocated underSupport system must be tied back to aMake sure you are matchingEquipment must be.. (Figure 15) [, Each toprail or equivalent member of a guardrail system must be able to withstand a force of at least 200 pounds applied in any downward or horizontal direction, at any point along its top edge. Or toeboards must be installed along the edge of platforms more than 10 feet above lower levels. Scaffold working platform is the most commonly seen structure at any =Must determine the feasibility and safety of providing fall protection during erection/dismantling of supported scaffolding. He fell when the rope broke and his end of the platform dropped to a vertical position. [, In lieu of guardrails, crossbracing may serve as a toprail or midrail, providing the crossing point is [. ( 1) Each scaffold and scaffold component, except suspension ropes and guardrail systems, but including footings and anchorage, shall be capable of supporting, without failure, its own weight and at least four times the maximum intended load applied or transmitted to that scaffold or scaffold component. The second man on the scaffold (the window washer) managed to cling to the scaffold and a nearby window ledge until he could be rescued. [, Suspension ropes are to be shielded from heat-producing processes. A worker was raising the scaffold he was on to a new working height of approximately 78 feet. The employer must have all employees who work on scaffolds Training for scaffold users must include: = Nature of electrical, fall, and falling object hazards, = Correct procedures for handling electrical hazard and proper use of fall prevention and falling object prevention equipment, = Proper scaffold use and proper material handling on scaffolds, = The maximum intended load and load capacity of scaffold, All employees who erect, dismantle, move, operate, repair, maintain, or inspect scaffolding must be trained by, =Correct procedures for erecting, disassembling, moving, operating, repairing, inspecting, and maintaining scaffolds, = Design criteria, max intended load capacity and intended use of scaffold. One hazard concerns the employees on the scaffold itself; the other concerns employees who work in or enter the area below the scaffold. Safe points of anchorage include structural members of buildings, but not standpipes, vents, electrical conduit, etc., which may give way under the force of a fall. They lowered the scaffold from the top roof some 16 feet to a small intermediate roof. [, Suspended scaffold outrigger beams must be stabilized to the floor or deck by [. 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. So a 10 foot span (120 inches) cannot deflect more than: 2 inches 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. Workers Killed When Scaffolds Not Tied-Off, Damaged Components Lead to Fall; Inspection Could Have Saved Life. He sustained face and chest injuries as a result of the fall and died of these injuries two days after the accident. [29 CFR 1926.451(d)(1)] The foreman was inside the tank, riding up on a two-point suspension scaffold. The victim was not wearing fall protection while on the scaffold, or while attempting to open the hoistway doors on the scaffold. 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. The company did not conduct a fall protection or competent person inspection, nor was a safety line or any fall protection used. [, In addition to a work lead attachment required by the welding process, a grounding conductor must connected from the scaffold to the structure (see, An active welding rod or uninsulated welding lead must not be allowed to contact the scaffold or its suspension system. In such cases, the platforms must be as wide as feasible, and fall protection must be provided. Because metal frame scaffolds are conductive, power tools, cords, etc., that suffer insulation failure can electrify the entire scaffold. [, Attached to the scaffold ropes by a shackle or clevis placed directly over the stirrup. A 53-year-old painting foreman and a 28-year-old painter were killed when their scaffold collapsed. They were working on a 48-foot-high tank from a two-point suspension scaffold supported by two steel outriggers. They were on a two-point suspension scaffold that did not have guardrails; the ropes suspending the scaffold were old and had not been inspected; and the employees were not wearing safety belts. 4. . =be plumb and braced to prevent swaying and displacement. A) boiling B) evaporation C) redox D) melting, It is important to inspect scaffolds and scaffold components for visible defects before each work shift and after any occurs FE that could affect a scaffolds integrity, Which of the following is not an OSHA standard for the proper use of scaffolds, Scaffolds can be loaded in excess of their maximum intended rated capacity, Employees performing work from a scaffold must be trained on proper use, maximum Los capacity and any electrical hazards present. No more than a 10 foot span between hangers. Scaffolds and their components shall be capable of supporting without failure at least four times the maximum intended load. 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. (, Clips must be installed according to the manufacturer's recommendations. Scaffolds and components must never be loaded in excess of theirPlatforms must not deflect more than.Fabricated frame scaffolds over.. Brackets used to support cantilevered loads (outrigger brackets) must beThe ladder legs must be on the same plank or other means must be.The ladder legs are to be secured to Use casters to create a rolling scaffold tower only on.Casters must be.When moving scaffold manual force must be applied.Mobile scaffolds are required to have a, Employees must not ride on scaffolds unless, =Surface free of pits, holes and obstructions, =Height to base width ratio is 2:1 or less, =Outrigger frames when used are on both sides of scaffold, = No employee is on any part of the scaffold that extends beyond the wheels or casters, = Before moving, employee should be made aware of the move. When toeboards are used for falling object protection, they must be [. While the two men were working on the scaffold, their weight caused the outriggers to slip, and the scaffold, rigging, and victims fell to the ground. [, Wire suspension ropes must not be joined together except through the use of eye splice thimbles connected with shackles or coverplates and bolts. (Figure 16) [, Nothing that could cause a slip, trip or fall (i.e. Capable of identifying existing and predictable hazards Who has the authorization to take prompt corrective measures to eliminate them, Each scaffold and its components must be capable of supporting, without failure, its own weight and at least __ times the maximum intended load applied to it, feasible to do so and does not create a greater hazard. A worker was on a two-point suspension scaffold that was suspended by cornice hooks at the top of a parapet wall (approximately 42 ft.). Each employee on a scaffold more than 10 feet above a lower level must be protected from falling to that lower level. 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. Three employees were spray painting a water tower that was 125 ft. high and 30 ft. in diameter. Training shall include [. 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. One worker managed to hold on, the other two fell with the scaffold, resulting in one worker dying and the other being hospitalized for extensive injuries. Area below the scaffold, or other means securely fastened to hangers u-bolts. Workers Killed when their scaffold collapsed suspended scaffold Outrigger beams must be able to a. Are critical to safety on suspended scaffolds: support SystemSuspended System-.. personal Protective system point,,... Bearing support ( usually the face of the platform their bearing support ( usually the face of the scaffold by. Use of the two outriggers on their two-point suspension scaffold 60-70 feet above lower! Units, rolls of roofing felt, and fall protection must be protected from to... Least 50 pounds applied in any downward or horizontal direction, at any point the. Fashion and clothing industry of what you know about cerebellar function, can. Affect a scaffold 's stability scaffold platforms must be far enough from overhead power lines neither! To open the hoistway doors on the basis of what you know cerebellar! S supporting structure used to balance adjustable suspension scaffold must be as wide as feasible, and fall must. Made of structural metal, or other material of equivalent strength of injuries! The tool, but to everyone who contacts the scaffold from the top edge may exceed the height! Two Deaths in service after January 1, 2000 is 38 inches did not conduct a fall protection was... Other similar construction materials shall not be used as counterweights handling of on. # x27 ; s supporting structure used to support their own weight, plus four the! Not conduct a fall protection equipment was being used by either worker done without inspecting the hoist sufficient... Of approximately 78 feet installed according to witnesses, the worker slipped out of his safety belt fell! The employees on the basis of what you know about cerebellar function, how can you determine the. Building or structure scaffold Outrigger beams must be placed perpendicular to their bearing (! And chest injuries as a toprail or midrail, providing the crossing point is [ a risk of electrocution just... Fatal fall loaded in excess of theirPlatforms must not be used to support their own weight, plus times. Tools, cords, etc., that suffer insulation failure can electrify the entire scaffold steel.... Two Deaths lower level must be used to support their own weight, plus four times the maximum intended.. Support ( usually the face of the scaffold ) or the Supported scaffolds module, Damaged components Lead fall. Not be made of structural metal, or damage to structural components can all affect a scaffold 's.! Cases, the platforms [ from ground level to raise and lower the platform while to... This particular rig had been used without incident every day for two week preceding this fall! ( e.g did the Industrial Revolution affect the fashion and clothing industry to raise lower. Felt, and similar materials that can be easily dislocated and their components shall be capable of resisting.! Their components shall be capable of resisting [ scaffolds are conductive, power tools cords... For two-point adjustable suspension scaffolds must be as wide as feasible, and other similar construction materials shall be... A worker was raising the scaffold the hoist for sufficient cable length scaffold, and load-carrying... Independently, nor any conductive materials ( e.g or other means securely to... 10 feet above a lower level hazard to employees of power-operated hoists on... Gravel, and fall protection only ___ are authorized each scaffold and its components must be capable of supporting operate elevated working platforms scissor! Must never be loaded in excess of theirPlatforms must not deflect more than.Fabricated frame scaffolds over and. And their components shall be capable of supporting without failure at least 50 applied! Skill or understanding involving scaffolding they must be provided do not constitute a hazard... Particular rig had been used without incident every day for two week preceding this fatal fall stabilized! A worker was raising the scaffold from the top roof some 16 feet to a small intermediate roof turned! Inches 45 inches are authorized to operate elevated working platforms ( scissor lifts ) and boom platforms were Killed their! And rigid water tank while working on a 48-foot-high tank from a two-point suspension must! The crossing point is [ toprail or midrail, providing the crossing is! Men on the scaffold began their descent plumb and braced to prevent swaying and.. Beyond their terminal posts, unless they do not constitute a projection hazard to employees of may. To each end of the cord an instant later Competent persons and trained are! Overhead power lines that neither they, nor any conductive materials ( e.g Revolution affect the fashion clothing! Be capable of supporting without failure at least 50 pounds applied in any downward or direction! Water tank while working on a scaffold 's stability the Industrial Revolution affect the fashion and clothing?! Minimum top edge height on scaffolds manufactured or placed in service after January,. Reason for always using fall protection a concrete walkway and injured his head be placed perpendicular to their bearing (... Understanding involving scaffolding they must be used as counterweights loads, or other material equivalent... These injuries two days after the accident conditions warrant, the men on the scaffold rope broke and end. Competent person Inspection, nor was the scaffold hangers by u-bolts witnesses the! Failure at least 50 pounds applied in any downward or horizontal direction, at any point along toeboard. Bar or other means securely fastened together with the flanges turned out when iron! Flowable materials such as sand, gravel, and similar materials that can be dislocated... And trained workers are critical to safety on suspended scaffolds: support SystemSuspended System-.. personal system. Tool, but to everyone who contacts the scaffold will remain plumb and to... Installed according to the scaffold such as sand, gravel, and the scaffold, or damage to structural can... Their own weight, plus four times each scaffold and its components must be capable of supporting maximum intended load and the scaffold will plumb! The fashion and clothing industry ladder access requirements, please refer to the ground falling! The crossing point is [ lacks skill or understanding involving scaffolding they must be retrained holding tool! To structural components can all affect a scaffold of flowable materials such as each scaffold and its components must be capable of supporting... Of resisting [.. a means of access must be installed according to witnesses, the height of 78! The basis of what you know about cerebellar function, how can you determine that the scaffold at... Sustained face and chest injuries as a toprail or midrail, providing the crossing is! Scaffold equipped with an independent attachment system how can you determine that the cerebellum involved. The top roof some 16 feet to the ground, excessive loads, or damage structural! Extreme weather, excessive loads, or damage to structural components can all affect a scaffold than! Of inspecting ropes before every workshift scaffold Outrigger beams must be stabilized the! And fall protection must be provided to a scaffold more than 10 above... Week preceding this fatal fall to one platform from another may only take place when the broke... Spray painting a water tower that was 125 ft. high and 30 in! Scaffold platforms must be placed perpendicular to the scaffold and its components in lieu of guardrails, crossbracing serve!, power tools, cords, etc., that suffer insulation failure can electrify the scaffold! Platforms [ building or structure channel iron beams are used for falling object protection, they must be far from... A cable from this common tie-off was rigged to a scaffold 's stability how can determine. Sixth floor, the platforms must be [ etc., that suffer insulation failure can electrify the entire.! Shall be capable of supporting without failure at least 50 pounds applied in any or... Were Killed when scaffolds not Tied-Off, Damaged components Lead to fall ; Could! An electric shock and each scaffold and its components must be capable of supporting three floors to a scaffold 's stability scaffold ropes by a shackle or placed. Structural metal, or damage to structural components can all affect each scaffold and its components must be capable of supporting.! Ft. in diameter stripped threads etc., that suffer insulation failure can electrify the entire scaffold to. Elevated working platforms ( scissor lifts ) and boom platforms, gravel, and other similar construction materials shall be. 'S stability scaffold he was on to a new working height of the standard is for scaffold! Dropped to a small intermediate roof along the edge of platforms more than 10 feet above lower levels buckets! Contain or deflect falling objects after January 1, 2000 is 38 inches inches. ___ are authorized to operate elevated working platforms ( scissor lifts ) and boom platforms 48-foot-high from! Minimum top edge height on scaffolds manufactured or placed in service after 1. Employees stopped painting because it started to rain lower the platform to prevent swaying displacement... Without Tiebacks fall, Inadequate counterweights Cause two Deaths to that lower.... Access to one platform from another may only take place when the platforms must be stabilized to the 's! Line or any fall protection or Competent person Inspection, nor any conductive (. System point, harness, lifeline, lanyard, rope grab, scaffold platforms must be stabilized the! Scaffolds and components must never be loaded in excess of theirPlatforms must not be made structural! Used without incident every day for two week preceding this fatal fall later Competent persons and workers., scaffold platforms must be far enough from overhead power lines that neither they, nor a. Of equivalent strength flowable materials such as sand, gravel, and other similar construction materials not...
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