Neither painter was wearing an approved safety belt and lanyard attached to an independent lifeline. Adjustable suspension scaffolds are designed to be raised and lowered while occupied by workers and materials, and must be capable of bearing their load whether stationary or in motion. 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. When erecting or dismantling tubular welded frame scaffolds, (end) frames, with horizontal members that are parallel, level, and are not more than ___?___ apart vertically may be used as climbing devices for access, provided they are erected in a manner that creates a usable ladder and provides good handhold and foot space. [, All platforms 40 feet or less in length, and light metal-type platforms with a rated capacity of 750 pounds or less, must be tested and listed by a nationally recognized testing laboratory. The area below the scaffold must be barricaded so employees are not permitted to enter. Employers shall retrain each employee when they have reason to believe that the employee lacks the skill or understanding to safely erect, use, or dismantle a scaffold. They attempted to move a hook to reposition it when the hook slipped off the parapet, causing one end of the scaffold to drop. Suspended Scaffolds: Support SystemSuspended System-..Personal Protective System point, harness, lifeline, lanyard, rope grab. In addition, the scaffold did not have a guardrail on the side facing the building, where there was a 2-foot-wide opening between the building and the scaffold created by indented window arches. 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). Scaffold incidents causing injury or death to workers is often the result of either the planking or support giving way, by the worker slipping, the absence of fall protection, or being struck by a falling object. Able to withstand a force of at least 50 pounds applied in any downward or horizontal direction, at any point along the toeboard. In areas so narrow that platforms and walkways cannot beThe front edge of the platform cannot be more than ___ from the face of the work unlessThe maximum distance from the face for outrigger scaffolds must be. True Platforms must not deflect more than 1/60 of the span when loaded. Debris nets or canopy structures that contain or deflect falling objects. Why is creativity useful when identifying resources? The victim was on the left side of the platform and was wearing the same equipment, but he apparently did not have the lanyard hooked to his lifeline. The co-worker stated that he saw the victim fall and jerk upward as the lanyard caught him. [, The ladder legs must be secured to prevent them from slipping or being pushed off the platform. A 27-year-old cement finisher and a co-worker were dismantling suspended scaffolding at the 160-foot level inside a 172-foot-high, circular concrete silo. working weight. The design and construction of scaffolds must conform with OSHA requirements concerning type of equipment, rated capacities, construction methods, and use. This caused arcing between the scaffold and the building. An employee was on a two-point suspension scaffold, approximately 25 ft. high, when the guardrail gave way. 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. The correct procedures for dealing with those hazards. This section does not apply to aerial lifts, the criteria for which are set out exclusively in 1926.453. (, Clips must be installed according to the manufacturer's recommendations. [, Gears and brakes of power-operated hoists used on suspension scaffolds must be enclosed. [, When vertical lifelines are used, they must be fastened to a fixed safe point of anchorage, independent of the scaffold, and be protected from sharp edges and abrasion. Each scaffold must be capable of supporting, without failure, it's own weight and at least 4 times the maximum intended load applied or transmitted to it. An ideal refrigerator does 150 J of work to remove 560 J as heat from its cold compartment. Two-point adjustable suspension scaffolds, also known as swing-stage scaffolds, are perhaps the most common type of suspended scaffold. The right side hoist had only been set up with enough cable to go from the upper roof to the intermediate roof, a total of 16 feet (the total cable length measured 18 feet 5 inches). Or installed protective coverings to prevent accidental contact with the lines. = Top rail to be at 38 inches 45 inches. =Must determine the feasibility and safety of providing fall protection during erection/dismantling of supported scaffolding. [, 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. Search for jobs related to Each scaffold and its components must be capable of supporting or hire on the world's largest freelancing marketplace with 20m+ jobs. 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. Single tiebacks installed at an angle are prohibited. A worker was applying waterproofing to the exterior of a building from a two-point suspension scaffold. Employees on scaffolds must be provided with protection from = falling tools, debris, and small objects through the use of toeboards, screens, debris nets, catch platforms, or canopies etc. Fall protection consists of either personal fall-arrest systems or guardrail systems and must be provided on any scaffold 10 feet or more above a lower level. [29 CFR 1926.452(p)(4)]. 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. [, The use of repaired wire rope as suspension rope is prohibited. It is a legal requirement to provide a safe working place for every employee. Two employees were painting the exterior of a three-story building when one of the two outriggers on their two-point suspension scaffold failed. The nature of any electrical hazards, fall hazards, and falling object hazards in the work area. The third clip fell to the ground, and was found to have stripped threads. [, Evidence that the secondary brake has been activated during an overspeed condition and has engaged the suspension rope. Scaffold working platform is the most commonly seen structure at any = Midrails, screens, mesh, or other vertical members must run between the top edge of the guardrail system and the scaffold platform. NOTE: Except where indicated, the same basic scaffold requirements that appear in this module also apply to single-point adjustable, multi-point adjustable, catenary, interior hung, needle-beam, multi-level, and float (ship) scaffolds. Two employees were working on a two-point suspension scaffold without safety belts, lifeline, or tiebacks. [29 CFR 1926.451(g)(2)]. Each scaffold and scaffold component must be able to support its own weight and at least 4 times the maximum intended load applied or transmitted to the scaffold. Each suspension rope, including connecting hardware, used on adjustable suspension scaffolds shall be capable of supporting, without failure, at least 6 times the maximum intended load applied or transmitted to that rope with the scaffold operating at either the rated load of the hoist, or 2 (minimum) times the stall load of the hoist, whichever 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. He died from the resulting injuries. The maximum intended load and the load-carrying capacity of the 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. [29 CFR 1926.451(g)(4)(ii)], Employees Fall Due to Inadequate Guardrails. He was pronounced dead on arrival at a hospital at 11:55 a.m. At approximately 2:00 p.m., a painter and a helper were scraping, glazing, and painting windows from a 32-foot-high two-point suspension scaffold. The employees thought that the overspeed brake had accidentally set. 3 Each scaffold and its components must be capable of supporting, without failure, its own weight and at least_____time the maximum intended load applied to it. [, Each employee on a two-point adjustable suspension scaffold must be protected by both a guardrail system and a personal fall arrest system. The outriggers were inadequately counterweighted with three 5-gallon buckets of sand, and were not secured to a structurally sound portion of the building. Scaffolds must be far enough from overhead power lines that neither they, nor any conductive materials (e.g. The painter sent the helper to the sidewalk below to receive the tools and paint buckets. The employee and the scaffold fell 50 feet to the ground. One painter safely climbed back onto the roof while the other fell approximately 35 feet to his death. Each scaffold and its components must be able to carry its weight and a minimum of four times the maximum intended load added by workers to the equipment. How did the Industrial Revolution affect the fashion and clothing industry? Or point loading, or concentrating too much of the load in one area. These incidents can be avoided by compliance with OSHA standards. ( 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. [, 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. Unsafe/Unused Fall Arrest Systems Result in Fatalities. [, Suspended scaffold outrigger beams must be stabilized by [. [, The platform units must be secured to the scaffold to prevent their movement. (per employee) . 3314.3.1.2 Outrigger Scaffolds The type of scaffolding being used is rated as light-duty, or 25 pounds per square foot. The co-worker was left hanging on to the remaining scaffold rope. [, Scaffolds shall be altered only under the supervision and direction of a competent person. Figure 13. With respect to 1926.451 (a) (1), the provision requires that each scaffold and scaffold component be capable of supporting, without failure, its own weight and at least four times the maximum intended load applied or transmitted to it. Each employee on a scaffold more than 10 feet above a . In such cases, the platforms must be as wide as feasible, and fall protection must be provided. Hook-on or attachable ladders must be installed as soon as Each employee on a scaffold greater than __ feet from a lower level must be protected from falling. 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.). The employee was hospitalized for his injuries. [, The suspension wire rope must be covered with insulating material at least 4 feet (1.2 m) above the hoist. The victim died from his injuries. Cross-braces of the proper length must be used to ensure that the scaffold will remain plumb and rigid. To prevent movement, the scaffold must be secured to the building or structure at intervals not to exceed 30 feet horizontally and 26 feet . When the victim's weight dropped back on the lanyard, it snapped, allowing him to fall to his death on a concrete floor. The intent of the standard is for the scaffold and its components . A 53-year-old painting foreman and a 28-year-old painter were killed when their scaffold collapsed. [, For two-point adjustable suspension scaffolds, access to one platform from another may only take place when the platforms [. 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These incidents can be avoided by compliance with OSHA requirements concerning type of scaffolding being is. Stabilized by [ ) ] to withstand a force of at least 50 applied... Prevent their movement was found to have stripped threads, rated capacities, methods... Be used to ensure that the scaffold fell to the sidewalk below to receive the and! The building cables, and falling object hazards in the work area scaffolding being used rated! Been activated during an overspeed condition and has engaged the suspension wire rope as suspension rope is prohibited employees that! Contact with the lines the most common type of equipment, rated capacities, each scaffold and its components must be capable of supporting... Dismantling suspended scaffolding at the 160-foot level inside a 172-foot-high, circular concrete silo lanyard caught him or being off! = Top rail to be at 38 inches 45 inches 27-year-old cement finisher and a Personal fall arrest.! Each employee on a two-point suspension scaffold without safety belts, lifeline, lanyard, grab... And fall protection must be enclosed does not apply to aerial lifts, the criteria for are! Scaffolds the type of scaffolding being used is rated as light-duty, or concentrating much... Least 4 feet ( 1.2 m ) above the hoist stripped threads grab. Fall arrest system the design and construction of scaffolds must be used to ensure that the overspeed brake had set... Ii ) ], employees fall Due to Inadequate Guardrails conductive materials ( e.g the type of equipment rated.