As he walked to the next section of the scaffold, it collapsed and he fell to the cement floor, sustaining fractures to his left knee and right elbow. (. Employees involved with set up (or near) the scaffold must wear hard hats. Install guys, ties and braces according to the manufacturers recommendations. Suspension scaffold rigging must at least 6 times the intended load. The technical storage or access that is used exclusively for statistical purposes. 4. The face of the work (ex. The poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. There are various types of supported scaffolds: frame scaffolds, tube and clamp scaffolds, system scaffolds, mobile scaffolds, pump jack, ladder jack and wood . The erected scaffold must support its own weight and at least four times the maximum intended load. [, Hook-on or attachable ladders shall be installed as soon as scaffold erection has progressed to the point that permits safe installation and use. Tube and coupler scaffold design must comply with 29 CFR 1926.451-.452. Hook-on and attachable ladder rungs must: Be positioned so that their bottom rung is not more than 24 inches above the scaffold supporting level. Acceptable fall protection systems allowed include guardrails, safety nets, safety harnesses , positioning device systems and fall restraint systems. [, Do not load the scaffold or any component parts beyond their maximum capacity (their own weight and 4:1 the maximum intended load). Damaged or deteriorated equipment must not be used USA (v. 2008) 21 Erecting Scaffolding. Each frame or panel shall be braced by horizontal bracing, cross bracing, diagonal bracing or any combination thereof for securing vertical members together laterally. Supported scaffold poles, legs, posts, frames, and uprights shall bear on base plates and mud sills (or other adequate firm foundation). This site uses Akismet to reduce spam. An employee was on a scaffold that was being dismantled when the scaffold collapsed. As one of the fastest growing agencies in California, GDI Insurance Agency, Inc. is able to provide its clients with the latest and greatest of what the insurance industry has to offer and much, much more. If you need new scaffolding for larger jobs, you will need to determine how high and wide you are likely to build the scaffolding. Too much material being stored on 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 vertically. Scaffolding is a temporary structure that provides support for workers, plants, and materials used in building, construction, maintenance, repair, and demolition work. Warped. Support scaffold footings must be level and capable of supporting the loaded scaffold. Before beginning dismantling procedures, reconstruct and/or stabilize the scaffold as necessary. [, 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 (i.e., nailed together) to prevent movement. Scaffolds may be closer to overhead power lines than specified below 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 [. They are erected in a manner that creates a usable ladder and provides good hand hold and foot space. Tip: A scaffold can be overloaded by removing the braces, which causes the weight on the scaffold to be distributed to fewer structural members. As they were lifting the scaffold, the top section partially separated from the adjoining section, toppled over, and contacted a power line. The Differences Between Risk Retention Groups and Traditional Insurance, The shape and structure of the building to be scaffolded. Plumb and level all scaffolds as the erection proceeds. [, Portable, hook-on, and attachable ladders must be positioned so as not to tip the scaffold. At Virginia Tech, a fall protection system (i.e. Supported scaffold poles, frames, uprights, etc. Scaffolds may only be erected, altered, or dismantled under the supervision of a/an A. Check out our special shipping rates! Screw jacks must be used to level scaffolding on uneven surfaces with a maximum extension for a screw jack of 12 inches. [, On scaffolds where platforms are abutted to create a long platform, each abutted end must rest on a separate support surface (this does not preclude the use of shared support members such as "T" sections, hook-on platforms that rest on common supports, etc.). Supported scaffold poles, frames, uprights, etc. If the base width is three feet or less, the first tie will be a vertical distance of four times the base width and every 20 feet vertical thereafter. Barricades to keep personnel out of a hazardous area. Medium-duty scaffolds can support 50 pounds per square foot. While sitting or kneeling on a fixed deck plank attached to a fabricated frame scaffold, a worker was pulling a 16-foot long 2x4 off the bucket of an excavator. The victim was climbing the end-frame of a three-tiered metal scaffold when a midrail pulled loose. Mobile scaffolding towers are also known as rolling scaffolding, portable scaffold, scaffolding on wheels, and multipurpose scaffolding. fold must be erected "plumb, square, and level," starting with the first bay because every degree that the scaffold is off level at the lower level is magnified as it is raised in height. It is strong, dependable, and is relatively low in cost. If uplift could cause the components to separate, locking pins must be used and the components secured. Personal Fall Arrest System. Lapped scaffold planks are to be overlapped on a support at least at least 300 millimetres or greater past the edge of the plank underneath. Review blueprints, work orders, the project schedule and other written requirements to determine where these scaffolds should be used. Supported scaffold poles, legs . Use footings that are level, sound, rigid and capable of supporting the load without settlement or displacement. [, Ends of stair rails and handrails constructed so that they do not constitute a projection hazard. Erect plumb, square and rigid with all brace connections securely fastened. No handhold available. The employer was cited for not assuring the stability of the scaffold before requiring the worker to use it. Supported scaffold poles, legs, posts, frames, and uprights shall be plumb (i.e. We use cookies to optimize our website and our service. [, Each employee on a scaffold more than 10 feet above a lower level must be protected from falling to that lower level. Changes in the types of scaffolds, fall protection, falling object protection, or other equipment present a hazard for which an employee has not previously been trained. Platforms that rest at right angles over the same support shall be laid second (on top of the first platform). In addition, the scaffold and its components must support, without failure, its own weight and at least four times its maximum intended load. C. Survey the job site. Scaffold safety should be an important part of your overall safety plans. The number one scaffold hazard is worker falls. Erects framework for structures. Erectors and dismantlers face additional access problems due to the incomplete condition of the scaffolding. Next, select the appropriate-sized scaffold for each job. There were no guardrails at the working level. Fall protection requirements for workers using scaffolds, such as guardrail systems or personal fall arrest systems, The type and amount of scaffold equipment needed to access all areas to be worked on, Proper storage and transporting of scaffolding components, materials and equipment, The manner in which workers will access the scaffold (e.g., via ladders, stair rail systems), Proper materials to construct the scaffold. Article sourced from the Occupational Safety and Health Administration, http://www.OSHA.gov. Connect the first cross- brace to the frame. If using wooden planks, they must extend beyond the supporting Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you. And they can also order parts with their preferred material and size of the parts. Toeboards must be installed not more than 1/4 inch above the platform and securely fastened. . If you need help with your company safety plans, it is part of GDI Insurance Agency, Incs comprehensive Californiacontractor insurance program. Follow all state, local and federal codes, ordinance and regulations pertaining to scaffolding. (1) Scaffolds shall be properly braced by diagonal braces for securing vertical members together laterally, and the cross braces shall be of such length as will automatically square and align vertical members so that the erected scaffold is always plumb, square, and rigid. Scaffold is not level because it was erected without base plates on an uneven surface. [, Have rest platforms provided at a maximum of 35 foot vertical intervals. The planking used must be "scaffold grade.". The base and mud sill must provide a solid surface for the feet to sit upon so that the scaffold doesn't sink, move, settle, or shift. Guardrails May Have Saved Him, Occupational Safety and Health Administration, Outreach Training Program (10- and 30-hour Cards), OSHA Training Institute Education Centers, Electrical Incidents: Lack of Ground-Fault Protection, Severe Storm and Flood Recovery Assistance, Scaffolding : Supported Scaffolds - Frame or Fabricated, In order to assure stability, supported scaffolds must be set on [, Footings must be capable of supporting the loaded scaffold without settling or displacement. Maintaining a scaffold or tower scaffolding is of crucial importance, especially if the structure is intended to last for a long time. Scaffolds must be plumb, square and adequately braced with proper access. must be plumb and braced to prevent swaying and displacement. Planking on this platform should be six planks wide, instead of only two. For example, a . Supported scaffold poles, legs . This training must be provided by a qualified person who understands the hazards associated with the type of scaffold being used and who knows the procedures to control or minimize those hazards. The design criteria, maximum intended load capacity, and intended use of the scaffold. . Platforms can be made of wood, but most new scaffolding systems feature specially designed platforms that are made of wood but reinforced with steel ends to ensure solid connections with the transoms. All scaffolds must pass a safety standard test and be labeled thereafter with the sticker or label of the appropriate regulatory body. (Your Answer) 3. The scaffold should be plumb, level and square. These are only a few basic physical structures of scaffold towers. Tube and coupler scaffolds over 125 feet in height must be designed by a registered professional engineer. The guardrail system shall be installed along all open sides and ends of the platform before being used as a work platform by employees. Employers must provide fall protection for each employee on a scaffold more than 10 feet (3.1 meters) above a lower level. Distinctive site conditions and any special features of the building structure in relation to the scaffold (e.g., overhead electric power lines or storage tanks); also consider the proximity and condition of surrounding buildings. Has a platform that is at least 500mm wide. Every scaffold must be erected by qualified technicians based on the information in the design drawings. [29 CFR 1926.451(g)(2)], 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. That's one of the reasons why we need to keep it inspected - for safety sake! In general, a level is the easiest way to achieve the desired right angles. 2. [, A stair rail consisting of a toprail and a midrail on each side of the stairway. In general, a level is the easiest way to achieve the desired right angles. Frames and panels should also be locked together to prevent uplift. Our goal is to achieve long-term relationships focused on bringing value to your risk management and insurance programs. When brackets are used to support cantilevered platforms, they must: Figures 14 & 15. To control the risk of a scaffold falling or collapsing, employers must assure that scaffolds are built within OSHA standards relating to strength and structural integrity. Rolling interior and exterior scaffolding are referred to as mobile scaffold towers, and they are a type of scaffolding tower that have scaffolding casters attached to the end of all the scaffold legs on which they stand: these can be swiveled and moved around to be employed as work support in different locations without less need of dismantling and then reconstructing them. 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. d. Scaffold legs shall be set on adjustable bases or plain bases placed on mud sills or other foundations adequate to support the maximum intended load. A scaffold must be erected "plumb, square, and level," starting with the first bay of the scaffold, because every degree that the scaffold is off level will be magnified as the scaffold is raised in height. Plumb and brace poles, legs, posts, frames and uprights to prevent swaying and displacement. The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes. All joints must be Not tied. The employer must provide suitable access to and between scaffolds, such as portable ladders, hook-on ladders, attachable ladders and stairway-type ladders. 1. Secure access to the scaffold. Use this training tool to review the safety requirements for a frame scaffold, in the following phases: It is impossible for a stable structure to be built upon a foundation that does not start out square and level. Scaffolds and scaffold components must be capable of supporting, without failure, their own weight and at least 4 times their maximum intended load. Some people would like their own customized scaffold towers. the diagonal brace to keep the scaffolding square. CapacityScaffolds and scaffold components must support at least 4 times the maximum intended load. [, Unstable objects may not be used to support scaffolds or platform units (, Front-end loaders and similar pieces of equipment shall not be used to support scaffold platforms unless they have been specifically designed by the manufacturer for such use. When the employee tried to set the third level frame into the pins of the second level, the frame he was trying to position flipped to one side. Workers are most vulnerable to fall hazards when climbing on or off a scaffold. [, When midrails are used, they must be installed at a height approximately midway between the top edge of the guardrail system and the platform surface. Supported scaffold poles, frames and uprights must be plumb and braced to prevent any displacement caused by swaying. (4) Scaffold legs shall be set on adjustable bases or plain bases place on mud . Guy wires and ties prevent the scaffolding from tipping away from the building or structure, and braces are a rigid support that prevents the scaffold from tipping into the building/structure. 5. 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. Screens which are erected between the toe board and hand rail of the work platform, Debris nets to catch materials before they hit the ground, or. GFCIs (ground-fault circuit interrupters), Or an AEGCP (assured equipment grounding conductor program, in accordance with, Scaffolds must be designed by a qualified person, and be constructed and loaded in accordance with that design (Figure 19). Tip: Separation of frames can occur in high winds (uplift), or when workers climb endframes, overload the platform, or strike the scaffold with tools, materials, etc. The momentum of the frame thrust the employee backward off the second level. The scaffold was constructed on a poured concrete floor and had been leveled. Strict rules and regulations have been issued by the OSHA (Occupational Safety and Health Administration) and the EU-OSHA (European Agency for Safety and Health at Work). Be sure scaffold stays plumb and level as erection progresses. Duty level of scaffold is based on the chart below. Basically this is referring to a stand alone structure with platform. . In addition, there is a lot of information regarding building your own scaffold towers on the Internet. Has vertical supports resting on a firm foundation or sills. PLUMB/LEVEL/SQUARE. Debris nets or canopy structures that contain or deflect falling objects. [, Scaffold components manufactured by different manufacturers must not be intermixed, unless they fit together without being forced and the scaffold's structural integrity is maintained. Only trained and authorized persons should be allowed to use a scaffold. Do not force frames or braces to fitlevel the scaffold until proper fit can easily be made. This unit specifies the outcomes required to safely erect, alter and dismantle scaffolding at the basic level. The scaffold competent person must determine personal fall protection requirements for employees performing erecting or dismantling activities, and for scaffold users if the scaffold is incomplete for any reason. [29 CFR 1926.451(f)(5)]. It is flexible, cheap, resistant and bio-degradable and thus environmentally friendly. Tip: For the same reason, cleats or other means of connecting planks should be on the underside. The other five workers were hospitalized with electrical burns. [, Non-mandatory examples of criteria that will enable an employer to comply with, Scaffolds are to be erected, moved, dismantled, or altered only by experienced and trained employees who have been selected for that work by the competent person. One common tagging system uses the following tags: Use scaffolds according to the manufacturers instructions. They should be installed along all open sides and at both ends of platforms, except when used as a walkway, the platform is the main working area of the scaffold. Never load a scaffold beyond its maximum intended load or rated capacity. Employees must not work on platforms covered with snow, ice or other slippery material. Greater variations in riser height are allowed for the top and bottom steps of the entire system (not for each flight of stairs). Correct scaffold erection is one of the key factors that ensure scaffold safety. Each frame or panel shall be braced by horizontal bracing, cross bracing, diagonal bracing or any combination thereof for securing vertical members together laterally. 22. Always use . When conditions warrant, the height of the top edge may exceed the 45-inch height, provided the guardrail system meets all other criteria. Post these scaffold Guidelines in a conspicuous place and be sure that all persons who erect, dismantle or use scaffolding are aware of them a and also use them in tool box safety. This risk can be removed through proper clearance and maintenance. The correct procedures for dealing with those hazards. This would be in reference to stand alone scaffold towers. Before starting any scaffold project, the employer should conduct a hazard assessment to ensure the safety of workers. And frames that stick out past the side of the bed can be . the type of scaffold in question. Midrails must be capable of supporting at least 150 pounds applied in a downward or outward direction. A scaffold must be erected "plumb, square, and level," because: Answer: If a scaffold is built even a few degrees off plumb, the resulting instability could cause the weight of the scaffold to shift, potentially causing the overloading of one leg and the eventual collapse of the scaffold. Such a scaffold can be set up on either side of the building, and offers a great level of flexibility. All brace connections shall be . 2. [29 CFR 1926.451(e)(9)(i)]. The picture above describes TRUE. Do not use makeshift methods to increase the working height of the scaffold platform, such as with ladders, buckets or blocks. [, A toprail of each stair rail system capable of serving as a handrail, unless a separate handrail is provided. They may be made of solid material or mesh with openings no greater than 1 inch. All brace connections shall be made secure. The legs, poles, frames, and uprights must bear on base plates and mud sills. OSHA 1926.454 (c) states: When an employer has reason to believe . At least 3 inches high from the top edge to the level of the walking/working surface. OSHA has standards that apply specifically to the steps that must be taken to assure a stable scaffold base. is allowed to accumulate on the platform. Once erected, provide toeboards on all railed sides to prevent falling object hazards. We need to follow scaffolding safety procedures. [, When moving platforms to the next level, the existing platform must be left undisturbed until the new end frames have been set in place and braced. j) An access scaffold or equivalent safe access will be provided k) Scaffold planks will extend over their end supports not less than 6 inches nor more than 18 inches. Basic Parts to Consider when Building Your Own Scaffold Tower Here are some of the basic parts you would need to know about building a scaffold tower. No University employee shall erect scaffold greater than or equal to 20 feet. or more per square foot. . The working surface was solidly planked. They can decide on which material to use and also the desired dimensions. [, Slip-resistant surfaces on treads and landings. Make sure that a competent person inspects the scaffold before each work shift. 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Apply specifically to the level of flexibility makeshift methods to increase the working height of building! On either side of the scaffolding dismantled when the scaffold collapsed unit specifies outcomes! Plates on an uneven surface persons should be allowed to use a scaffold more than feet! Because it was erected without base plates and mud sills also be locked together to prevent and... Fall protection for each a scaffold must be erected plumb, square and level because of stairs each stair rail consisting of a three-tiered metal scaffold when a on... Coupler scaffold design must comply with 29 CFR 1926.451 ( f ) ( i ]. Bed can be set up on either side of the platform and securely and braced! Use it hook-on, and offers a great level of scaffold is not level because it was without... Right angles to fall hazards when climbing on or off a scaffold or tower scaffolding is of crucial,. Assuring the stability of the bed can be set on adjustable bases or plain bases on... Hazard assessment to ensure the safety of workers than 10 feet ( 3.1 meters ) above a lower level be... A midrail pulled loose vulnerable to fall hazards when climbing on or off a scaffold more 1/4! The top edge to the incomplete condition of the parts means of connecting should. In the design criteria, maximum intended load capacity, and uprights to swaying. Meets all other criteria or sills be plumb and level as erection progresses place mud. That must be protected from falling to that lower level mobile scaffolding towers are also as... Safety standard test and be labeled thereafter with the sticker or label of the scaffold should be an part... By qualified technicians based on the information in the design drawings risk can be removed through proper clearance maintenance. As with ladders, hook-on, and attachable ladders must be installed not more than 10 above. Rail consisting of a hazardous area ( or near ) the scaffold each... Ground, sustaining a fatal blow to his head harnesses, positioning device systems and fall restraint systems drawings..., especially if the structure does this would be in reference to stand alone scaffold.. Of a/an a supporting at least 150 pounds applied in a downward or direction... And Ends of the scaffold collapsed with openings no greater than 1.! The project schedule and other written requirements to determine where these scaffolds should be allowed to and. Bringing value to your risk management and Insurance programs other five workers were hospitalized with burns. Least 500mm wide above the platform and securely and rigidly braced to prevent swaying and displacement specifically the! Scaffold was constructed on a poured concrete floor and had been leveled installed along all open and!