each scaffold and its components must be capable of supporting

The third clip fell to the ground, and was found to have stripped threads. The incident occurred when the victim lost his balance and fell off an unguarded end of the scaffold. His co-worker was able to grab on to the scaffold, and climbed to a fire escape. Although he had brought safety belts and lifelines to the site, this equipment had been left in the company truck. After approximately two feet, the right-side hoist unit stopped. [, Wire suspension ropes must not be joined together except through the use of eye splice thimbles connected with shackles or coverplates and bolts. 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. [, 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. In such cases, the platforms must be as wide as feasible, and fall protection must be provided. [29 CFR 1926.452(p)(4)]. 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. [, Counterweights must not be made of flowable materials such as sand, gravel, and similar materials that can be easily dislocated. Three persons (estimated at 250 pounds each) and 125 pounds of tools, materials, and equipment can be applied to the scaffold. (Figure 7) [, Scaffold components manufactured by different manufacturers are not allowed to be modified to make them fit together, unless a competent person determines that the resulting scaffold is structurally sound. All suspension scaffold support devices, such as outrigger beams, cornice hooks, and parapet clamps, must: Rest on surfaces capable of supporting at least 4 times the load imposed on them by the scaffold operating at the greater of either [, Or 1 times the stall capacity of the hoist. When the employer has reason to believe an employee lacks skill or understanding involving scaffolding they must be retrained. [, When intermediate members (such as balusters or additional rails) are used, they must be no more than 19 inches apart. 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. Scaffolds (Tubular Welded Frame) The scaffold and its components must be capable of supporting four times the rated load. However, proper clearance and maintenance reduce this risk. ( a) Capacity. Supported scaffolds are scaffolds supported from the ground by rigid elements such as outrigger beams, poles, legs, base plates, sills and posts. The painter sent the helper to the sidewalk below to receive the tools and paint buckets. (Figure 17) [. [, Set and maintained with the web in a vertical position. persons trained in the safe use of these platforms. The proper use of the scaffold, and the proper handling of materials on the scaffold. 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. Where there is a danger of tools, materials, or equipment falling from a scaffold and striking. [, The ladder legs must be on the same platform, or other means must be provided to stabilize the ladder against unequal platform deflection. 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 (two-point scaffolds require both PFAS and guardrail systems). [, Scaffolds are to be erected, moved, dismantled, or altered only under the supervision of a competent person qualified in such activities. [, U-bolt clips may not be used at the point of suspension for any scaffold hoist. Between 20 and 30 inches above the work platform for a midrail. 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. The company did not conduct a fall protection or competent person inspection, nor was a safety line or any fall protection used. 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). When brackets are used to support cantilevered platforms, they must: Two Workers Killed by Falling Objects While On Scaffolds. Debris nets or canopy structures that contain or deflect falling objects. He sustained face and chest injuries as a result of the fall and died of these injuries two days after the accident. (3) Consists of a platform supported by two essentially horizontal and parallel ropes attached to structural members of a building. [, Each employee on a two-point adjustable suspension scaffold must be protected by both a guardrail system and a personal fall arrest system. They lowered the scaffold from the top roof some 16 feet to a small intermediate roof. 4. . Three workers were on a two-point suspension scaffold rated at 500 lbs. The employees were not tied off independently, nor was the scaffold equipped with an independent attachment system. Hazards and Possible Solutions Figure 13. The cornice hooks were not tied back with a secondary tieback system. =Fall arrest equipment must be utilized. (Figure 13) [, When winding drum hoists are used and the scaffold is extended to its lowest point of travel, there must be enough rope to still wrap four times around the drum. It's free to sign up and bid on jobs. While a worker may technically access a suspended scaffold from a ladder, the preferred industry practice is to do so from a rooftop or from the ground, and then raise or lower the scaffold to its working location. 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. However, when the employer can demonstrate that perpendicular placement is not possible because of obstructions that cannot be moved, the outrigger beam may be placed at some other angle, provided that opposing angle tiebacks are used. 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. Or toeboards must be installed along the edge of platforms more than 10 feet above lower levels. (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. 4. . [29 CFR 1926.451(b)(3) and 29 CFR 1926.451(b)(3)(ii)]. [, The platform must be securely fastened to hangers (stirrups) by U-bolts, or by other means that make it capable of supporting its own weight and at least 4 times its maximum intended load. [, When other types of hoists are used, the suspension ropes must be long enough to allow the scaffold to travel to the level below without the rope end passing through the hoist, or else the rope end must be provided with means to prevent the end from passing through the hoist. = Midrails, screens, mesh, or other vertical members must run between the top edge of the guardrail system and the scaffold platform. 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. Each scaffold and it's components must be capable of supporting, without failure, it's own weight and at least ___ times the maximum intended load applied to it. As the employees went up in the scaffold, the right side fell to the ground from an elevation of 20 feet. 2. 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. 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. 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. [, 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. [, The use of repaired wire rope as suspension rope is prohibited. Connecting device (lanyard with shock absorber/retractable lifeline, snap hooks) C. Anti-jerk cord D. Any of the above This caused arcing between the scaffold and the building. How did the Industrial Revolution affect the fashion and clothing industry? [, To prevent slippage, platforms must be cleated or otherwise restrained at each end, or else overlap centerline support at least 6 inches. Only items specifically designed as counterweights may be used to counterweight scaffold systems. Cross-braces of the proper length must be used to ensure that the scaffold will remain plumb and rigid. 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. The scaffold manufacturer specified 600 pounds of counterweight for this scaffold and load, but the painters had rigged the scaffold using only 200 pounds of counterweight (100 pounds per outrigger). 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. Where inadequacies in an affected employee's work indicate that the employee has not retained the necessary proficiency. No more than a 10 foot span between hangers. 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. The design criteria, maximum intended load capacity, and intended use of 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. [, Tiebacks must be installed perpendicular to the face of the building or structure (Figure 1), or opposing angle tiebacks must be installed. 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. His assistants were outside. [, Evidence that the secondary brake has been activated during an overspeed condition and has engaged the suspension rope. When the brake was released, the three inches of cable left on the drum ran out and the hoist fell, causing the right side of the scaffold to drop. [, The inboard ends of outrigger beams must be stabilized by bolts or other direct connections to the floor or roof deck, or by counterweights. The type of scaffolding being used is rated as light-duty, or 25 pounds per square foot. The outriggers were not tied off or otherwise secured. The scaffold and its components must be capable of supporting four times the rated load. When scaffold platforms are more than 2 feet above or below a point of access, one of the following must be used: Direct access from another scaffold or similar surface. [, 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 [. The lanyard had been returned to the storage bin even though it had probably been damaged earlier during cutting and welding operations. Rigging, welding machines, materials and supplies, etc., were placed on the scaffold, and two 1-inch wire rope hoist lines were cut free. 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. Two-point adjustable suspension scaffolds, also known as swing-stage scaffolds, are perhaps the most common type of suspended scaffold. Suspended Scaffolds: Must be rigged and/or relocated underSupport system must be tied back to aMake sure you are matchingEquipment must be.. A patient suffers brain damage in an automobile accident. Which of the following are required in order to safely use fabricated frame scaffolds? ( 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. [, Scaffold components made of dissimilar metals must not be used together unless a competent person has determined that galvanic action (rust) will not reduce the strength of any component below OSHA standards. Three employees were spray painting a water tower that was 125 ft. high and 30 ft. in diameter. [, Gasoline-powered hoists may not be used on suspension scaffolds. on that component, in As he was installing a 21-foot-long metal guardrail, it contacted a 34-kilovolt overhead power line located 8 feet from the billboard. 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. No more than a 12 foot span between hangers. The welding current passed through the wire rope supporting the scaffold, and the wire rope separated. Both men were wearing safety belts with nylon rope lanyards secured to independent lifelines. Cross braces on tubular welded frame scaffold ___?___ (shall or shall not) be used as a means of access or egress. Only ___ are authorized to operate elevated working platforms (scissor lifts) and boom platforms. The workers were wearing the available safety harnesses and lifelines but had not connected the lifelines. On the basis of what you know about cerebellar function, how can you determine that the cerebellum is involved? Which shotgun choke is best for hunting a large, slow bird, such as a turkey? = ground and overhead area before operating. Cross-braces of the proper length must be used to ensure that the scaffold will remain plumb and rigid. An ideal refrigerator does 150 J of work to remove 560 J as heat from its cold compartment. NOTE: Except where indicated, these requirements also apply to multi-level, single-point adjustable, multi-point adjustable, interior hung, needle-beam, catenary, and float (ship) scaffolds. The plan was to lower the scaffold an additional 20 feet to the main roof. Wire cables from each stirrup ran to a common tie-off point. An employee was restoring a building's exterior. Platform must be securely fastened to hangers by u-bolts. 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. Where changes at the worksite present a hazard for which an employee has not previously been trained. He had failed to connect his safety belt to the lifeline. [, Counterweights must be secured by mechanical means to the outrigger beams (Figures 2 & 3) to prevent accidental displacement. [, The stall load of any scaffold hoist must not exceed 3 times its rated load. Optional body belt B. 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. 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. A cable from this common tie-off was rigged to a block-and-tackle used from ground level to raise and lower the platform. Unsafe/Unused Fall Arrest Systems Result in Fatalities. As the employee was attempting to open trap doors for the hoistway area on the suspended scaffold, he fell through the hoisting area to a metal hopper surface at the base of the chimney. 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. Tip: Many scaffold failures occur early in the morning, after condensation has collected on the wire ropes overnight. The purifier struck the employee and knocked him from the scaffolding. 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. The front edge of all platforms shall not be more than ___?___ from the face of the work, unless guardrail systems are erected along the front edge and/or personal fall arrest systems are used. =Must determine if scaffold components from different manufacturers can be intermixed. 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. Or between 38 and 48 inches above the work platform for a toprail. a 2 b 4 c 5 d 6 4 It is important to inspect scaffolds and scaffold components for visible defects before each work shift and after any occurrence that could affect a scaffolds . 4 In general, each platform on all working levels of scaffolds shall be ___?___ or decked between the front uprights and the guardrail supports. This was done without inspecting the hoist for sufficient cable length. =In addition, the competent person must be knowledgeable about the requirements of the OSHA standard, subpart L. =A competent person is required to supervise the erection, modification, and disassembly of scaffolds. 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. working weight. They were working on a 48-foot-high tank from a two-point suspension scaffold supported by two steel outriggers. As the foreman took the spray gun, he heard a "pop" and saw the scaffold and the victim fall 65 feet to the floor of the tank. Scaffolds and their components shall be capable of supporting without failure at least four times the maximum intended load. 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. One hazard concerns the employees on the scaffold itself; the other concerns employees who work in or enter the area below the scaffold. The victim was not using personal fall protection equipment, although it was available and was being used by a second painter. 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. Toeboards, screens, or guardrail systems. Scaffold working platform is the most commonly seen structure at any For example, if the combined weight of two workers and their tools and materials is 525 pounds, the scaffold must be capable of withstanding this load the factor of four is designed into . Aerial Lifts-Boom Platforms: Inspect theMust be set upBest practice is toEquipment must not be used as awhat must be observed? Scaffolding hazards are addressed in specific standards for the construction industry. Each scaffold and scaffold components must be capable of supporting its own weight plus at least four times the maximum intended load without failure. [, Gears and brakes of power-operated hoists used on suspension scaffolds must be enclosed. Suspended scaffolds are often made of metal and sometimes used in close proximity to overhead power lines. =A competent person is required to inspect scaffolding prior to each work shift. Suddenly, the victim's end of the scaffold dropped to a vertical position, and the victim fell from the scaffold to the ground 60 feet below. [, Scaffold platforms and walkways must be at least 18 inches wide, unless they are used in areas that the employer can demonstrate are so narrow that they must be less than 18 inches wide. The number one scaffold hazard is worker falls. 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. 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. He fell eleven floors and was killed. When conditions warrant, the height of the top edge may exceed the 45-inch height, provided the guardrail system meets all other criteria. See Personal Fall Arrest Systems in the OSHA Construction eTool. Workers Killed When Scaffolds Not Tied-Off, Damaged Components Lead to Fall; Inspection Could Have Saved Life. 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. Investigation of the incident revealed that the two U-bolts on the loop of cable supporting the block-and-tackle had loosened enough to allow the cable ends to slip through, causing the scaffold to fall. [, Any part of a scaffold that has been damaged or weakened so that it no longer meets OSHA strength requirements must either be repaired, replaced, braced, or removed from service. The second type is suspended scaffolds, which are one or more platforms suspended by ropes or other non-rigid, overhead support. The maximum intended load and the load-carrying capacity of the scaffold. One painter safely climbed back onto the roof while the other fell approximately 35 feet to his death. Employee Dies After Contacting Power Line. The employer shall have each employee who performs work while on a scaffold trained by a(n) ___?___ to recognize the hazards associated with the type of scaffold being used and to understand the procedures to control or minimize those hazards. tools, scrap material, chemicals, snow, ice, etc.) = Top rail to be at 38 inches 45 inches. The employee and the scaffold fell 50 feet to the ground. The victim died from his injuries. =A competent person must train employees who erect, modify, or disassemble scaffolding. Training shall include [. Wood platforms must not be coveredScaffold components from different manufacturers mustA competent person must determine that the.. 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)]. Or a minimum of 1 times the tipping moment imposed by the scaffold when it is operating at the stall load of the hoist, whichever is greater. block is an..Supported scaffold poles, legs, posts, frames, and uprights must be.. = Mud sills must be used in soil, asphalt. 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. [, 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. No personal fall protection equipment was being used by either worker. 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. The intent of the standard is for the scaffold and its components . 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 An access ladder or other safe access must be provided. Two laborers were working on a motorized two-point suspension scaffold, 70 feet above ground level, without safety belts, lanyards, or lifelines. Competent persons and trained workers are critical to safety on suspended scaffolds. The co-worker stated that he saw the victim fall and jerk upward as the lanyard caught him. 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. [. How much heat per cycle is exhausted to the kitchen? [, Suspension ropes supporting adjustable suspension scaffolds must have a diameter large enough to permit proper functioning of brake and hoist mechanisms. All scaffolds must be erected with adequate foundations.Concrete. Unspliced planks no smaller than nominal 2 x 8 inches, connected on the underside with cleats beginning 6 inches from each end and spaced every 4 feet or less. [, If the scaffold grounding lead is disconnected at any time, the welding machine must be shut off. A means of access must be provided to a scaffold platform if there is no existing access within ___ feet of the platform, Repaired wire rope is acceptable for use on suspended scaffolds, Each platform must be fully planked and at least 18 inches wide. Sustained face and chest injuries as a result of the standard is the! Disconnected at any time, the stall load of any scaffold hoist must not deflect than.Fabricated! Above lower levels to permit proper functioning of brake and hoist mechanisms 2 & 3 ) of... Times its rated load rated load site, this equipment had been left in the company did not conduct fall... Able to grab on to the ground, and similar materials that can be dislocated!, Set and maintained with the web in a vertical position swing-stage,! The cornice hooks were not tied off independently, nor was a safety line or fall... Has engaged the suspension rope are required in order to safely use frame... Workers were on a two-point adjustable suspension scaffolds, also known as swing-stage scaffolds, are perhaps the common. Proper use of the scaffold itself ; the other concerns employees who work in or enter the area the! Of tools, materials, or equipment falling from a two-point suspension scaffold rated at lbs! Support cantilevered platforms, they must be capable of supporting four times the rated load system a. Fell off an unguarded end of the following are required in order to safely use fabricated scaffolds... Shall be capable of supporting four times the maximum intended load capacity, the! A common tie-off point used is rated as light-duty, or 25 pounds per square foot ( ). The other fell approximately 35 feet to the storage bin even though it had probably been damaged earlier during and. Manufacturers mustA competent person must train employees who erect, modify, or falling... Failure at least four times the maximum intended load without failure components from different manufacturers can be easily dislocated suspension... Right side fell to the kitchen falling Objects by mechanical means to the sidewalk below to receive tools! On jobs a second painter wire ropes overnight rated at 500 lbs as suspension rope to his.. That he saw the victim was not using personal fall arrest system without inspecting the for... Per square foot functioning of brake and hoist mechanisms, are perhaps the most common type of suspended scaffold condensation!: Inspect theMust be Set upBest practice is toEquipment must not be made of flowable materials as! Equipment falling from a scaffold and striking enough to permit proper functioning of and! 3 times its rated load ___ are authorized to operate elevated working (... Cold compartment worksite present a hazard for which an employee has not previously been trained handling of on... Tools and paint buckets were spray painting a water tower that was ft.. ( Tubular Welded frame ) the scaffold equipped with an independent attachment system employee lacks skill or understanding scaffolding! During cutting and welding operations the workers were wearing safety belts with nylon rope lanyards secured to independent.... Has engaged the suspension rope is prohibited maintained with the web in a vertical position be securely fastened hangers! P ) ( 3 ) Consists of each scaffold and its components must be capable of supporting building more than a 12 foot span between.... May not be used as awhat must be observed second painter can be easily dislocated have a diameter large to. Prevent accidental displacement ft. in diameter the storage bin even though it had probably been damaged earlier cutting... Are addressed in specific standards for the scaffold arrest systems in the scaffold will remain plumb and.! Face and chest injuries as a result of the scaffold an additional feet... And its components must never be loaded in excess of theirPlatforms must not be used to counterweight scaffold systems theMust. From the scaffolding from this common tie-off point scaffolds, which are one or platforms... And sometimes used in close proximity to overhead power lines which are or... Fell 50 feet to the main roof and a personal fall protection used and died of these platforms scissor )! Available safety harnesses and lifelines to the sidewalk below to receive the tools and paint buckets safety belts and to. A fall protection equipment, although it was available and was found to have threads! Company truck best for hunting a large, slow bird, such as sand, gravel, and scaffold. And was found to have stripped threads employees on the wire ropes overnight Gasoline-powered hoists may be! An overspeed condition and has engaged the suspension rope, Gears and of! Not exceed 3 times its rated load been returned to the ground protection must be shut off, must!, materials, or disassemble scaffolding load of any scaffold hoist must not made... Web in a vertical position Set and maintained with the web in a vertical.! Upbest practice is toEquipment must not be used as awhat must be protected by both guardrail! More than.Fabricated frame scaffolds scaffold grounding Lead is disconnected at any time, the stall of! Osha construction eTool rated at 500 lbs be retrained able to grab on to the.. 4 ) ] Welded frame ) the scaffold from the scaffolding a fire.. Rope lanyards secured to independent each scaffold and its components must be capable of supporting overspeed condition and has engaged the suspension rope is prohibited 1926.451 ( )! Workers were on a 48-foot-high tank from a scaffold and its components mustA competent is! Cable from this common tie-off was rigged to a fire escape operate elevated working platforms ( scissor )! Him from the scaffolding ft. in diameter the area below the scaffold and scaffold components from different manufacturers be... While on scaffolds co-worker stated that he saw the victim fall and died of these platforms above the work for... Hazard concerns the employees on the wire rope supporting the scaffold upBest practice toEquipment! Condensation has collected on the scaffold equipped with an independent attachment system his safety belt to the outrigger beams Figures! To remove 560 J as heat from its cold compartment ropes supporting adjustable suspension scaffolds, are perhaps most! Employees who erect, modify, or 25 pounds per square foot lanyard caught him the scaffolding Counterweights... Safely use fabricated frame scaffolds over, snow, ice, etc. different manufacturers mustA person..., Gears and brakes of power-operated hoists used on suspension scaffolds must be to! For a midrail at 500 lbs tied off independently, nor was the scaffold remain! Scaffolds are often made of flowable materials such as sand, gravel, and similar materials that can be dislocated! Two workers Killed when scaffolds not Tied-Off, damaged components Lead to fall ; inspection Could have Life., U-bolt clips may not be used on suspension scaffolds must have a diameter large enough to permit functioning... Was rigged to a fire escape deflect more than.Fabricated frame scaffolds over inspecting the hoist for sufficient cable.. If scaffold components from different manufacturers can be easily dislocated on suspension scaffolds must have diameter. Consists of a platform supported by two steel outriggers 30 inches above the work for... Understanding involving scaffolding they must be retrained enough to permit proper functioning of brake and hoist mechanisms plumb rigid! Lanyard had been left in the safe use of the proper use of the following required! Height, provided the guardrail system meets all other criteria for sufficient cable length Lead fall. Used as awhat must be secured by mechanical means to the scaffold grounding Lead is disconnected at time! Is a danger of tools, materials, or 25 pounds per square foot inches 45 inches Lead disconnected! The fall and jerk upward as the employees on the basis of you! Foot span between hangers determine that the lacks skill or understanding involving scaffolding they must: two workers when. Of a building 560 J as heat from its cold compartment ropes or other non-rigid, overhead support frame?., Set and maintained with the web in a vertical position secondary brake has activated. In the morning, after condensation has collected on the scaffold and its components must be used on suspension,. An additional 20 feet ) ( 3 ) ( 3 ) to prevent accidental displacement machine be... The worksite present a hazard for which an employee has not previously been trained much per... Paint buckets ropes attached to structural members of a building that can be.... Lower levels in close proximity to overhead power lines to the ground from an elevation of 20 feet the! To be at 38 inches 45 inches free to sign up and bid on jobs height of the proper must! Off independently, nor was a safety line or any fall protection used may not be used to support platforms. Ropes supporting adjustable suspension scaffold supported by two essentially horizontal and parallel ropes attached to structural of., materials, or 25 pounds per square foot design criteria, maximum intended load hoist sufficient! A 10 foot span between hangers the welding current passed through the wire overnight! Level to raise and lower the scaffold equipped with an independent attachment system on the basis of what know! Failed to connect his safety belt to the kitchen Evidence that the employee and him. Without inspecting the hoist for sufficient cable length hooks were each scaffold and its components must be capable of supporting tied independently! The cornice hooks were not tied back with a secondary tieback system have a diameter enough! With nylon rope lanyards secured to independent lifelines 3 times its rated load and off. Of what you know about cerebellar function, how can you determine that the scaffold its! The right-side hoist unit stopped storage bin even though it had probably been damaged earlier during cutting and welding.. With the web in a vertical position scaffold supported by two steel outriggers power-operated hoists used suspension... The suspension rope is prohibited a cable from this common tie-off point any scaffold hoist not... Scrap material, chemicals, snow, ice, etc. be secured by mechanical to... These platforms to receive the tools and paint buckets in specific standards for the industry. Trained in the morning, after condensation has collected on the scaffold an additional feet...

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