e) must be made of pipe E WCB Regulations state: Tubular and similar type section scaffolding shall be erected plumb and _____. Uplift might be caused by the action of wind on a secured deck or by the leverage action of a cantilever side bracket on the scaffold. [, Employees must be able to safely access any level of a scaffold that is 2 feet above or below an access point. Point loading, or concentrating too much of the load in one area. [, To prevent slippage, platforms must be cleated or otherwise restrained at each end, or else overlap their support at least 6 inches (, Unless it is designed and installed to support employees and materials without tipping, or has guardrails that block employee access, each end of a platform may not extend over its support more than 12 inches (for platforms 10 feet or shorter in length) or more than 18 inches (for platforms more than 10 feet long). To check a scaffold for being plumb, use a level on two opposite uprights. The technical storage or access that is used exclusively for anonymous statistical purposes. Toeboards must be capable of withstanding at least 50 pounds applied in a downward or outward direction. Follow all state, local and federal codes, ordinance and regulations pertaining to scaffolding. In some cases, you may choose a new scaffolding tower rather than a scaffolding set; the tower will be much shorter and easier to tear down and construct, though it will only be suitable for smaller jobs. Scaffolding must be erected, altered, moved, and dismantled in accordance with applicable OSHA standards and under the direct supervision of a scaffold competent person. 5. Scaffolding must be erected, altered, moved, and dismantled in accordance with applicable OSHA standards and under the direct supervision of a scaffold competent person. When toeboards are used for falling object protection, they must be [. building materials, paint roller extensions, scaffold components) that may be handled on them, come closer than 10 feet to the power line. They are frequently used in one or two tiers by residential contractors, painters, etc., but their modular frames can also be stacked several stories high for use on large-scale construction jobs. B. [, No gaps greater than 1 inch are permitted between adjacent planks or deck units, or between the platform and the uprights, unless the employer can demonstrate that a wider space is necessary. NOTE: Except where indicated, these requirements also apply to manually propelled, pump jack, ladder jack, tube and coupler, and pole scaffolds, as well as the specialty scaffolds described in the Supported Scaffolds module. Tube and coupler scaffold design must comply with 29 CFR 1926.451-.452. from the top of the sill, depending on the slope. bearer) at an angle other than a right angle, shall be laid first. A guardrail system shall be installed with openings small enough to contain the objects. Scaffolding shall be designed by a qualified and competent . Scaffolding is used for renovations, construction, maintenance, installations, and much more. And also, there are lots of sites that sell scaffolding spare parts. [29 CFR 1926.451(e)(8)], The competent person is responsible for determining the safety and feasibility of installing and using safe means of access, based on site conditions and the type of scaffold involved. Toeboards must be installed not more than 1/4 inch above the platform and securely fastened. Integral (built-in) scaffold access frames must: Stair towers (scaffold stairway/towers) must have (Figure 7): 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. (www.scaffoldframe.com) A person can buy it in bulk or individual pieces according to their preference. The main components are scaffolding tubes, scaffold clamps, and base plates. Is erected plumb and level. Learn how your comment data is processed. The amount of time needed to erect and dismantle the scaffold. (True or False) _____ 2. [, A distance of no less than 28 inches and no more than 37 inches from the upper surface of the stair rail to the forward edge of the tread, in line with the face of the riser. 22.B.12 Scaffolds shall be plumb and level unless engineered and designed to contour as the structure does. must be plumb and braced to prevent swaying and displacement. (Figure 4) [, Scaffolds shall be altered only under the supervision and direction of a competent person. The area below the scaffold being barricaded so employees are not permitted to enter. Personal Fall Arrest System. Secure scaffolds to the structure during erection and dismantling. [, Ramps and walkways 6 feet or more above lower levels must have guardrails that comply with, No ramp or walkway shall incline more than 1:3 (1 vertical to horizontal, or 20 degrees above the horizontal). The erected scaffold must support its own weight and at least four times the maximum intended load. This consists of scaffolding work connected with the operation/use of modular or prefabricated scaffolds; cantilevered material hoists with a max working load of 500kg, ropes and gin wheels, safety nets and static lines, as well as bracket scaffolds (tank and formwork) for licensing . Note: The diagram does not show a way to get on or off the platform because there are many possible variations on access. 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. Install a suitable means of access, such as a sloping or vertical ladder secured to the scaffold at the landing point. The technical storage or access that is used exclusively for statistical purposes. If using wooden planks, they must extend beyond the supporting OSHA 1926.454 (c) states: When an employer has reason to believe . All brace connections must be secured to prevent dislodging. An employee was on a scaffold that was being dismantled when the scaffold collapsed. [, Frames and panels must be locked together to prevent uplift, where uplift can occur. For lathing and plastering, a gap of 18 inches is permitted. General Guidelines. The wood must be clear, free of loose knots, splits, or other defects. They are erected in a manner that creates a usable ladder and provides good hand hold and foot space. All equipment must be inspected to see that it is in good condition and serviceable. The training must include: assessment of the base material the scaffold will be erected upon, load calculations for materials and personnel, erection and dismantling . Once erected, provide toeboards on all railed sides to prevent falling object hazards. Always use . Supported scaffold poles, frames and uprights must be plumb and braced to prevent any displacement caused by swaying. System Scaffolding. Tip: A scaffold can be overloaded by removing the braces, which causes the weight on the scaffold to be distributed to fewer structural members. If you need help with your company safety plans, it is part of GDI Insurance Agency, Incs comprehensive Californiacontractor insurance program. Design features include a rest platform every 35 feet, rungs at least 11 1/2 inches wide (8 inches for ladders built into the frame), and uniform rung spacing not exceeding 16 3/4 inches. OSHA regulations are laws and must be followed by the construction industry. Not one that is tied to a structure, (which would allow you to go much higher than 30 feet). The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user. [29 CFR 1926.451(c)(3)]. All brace connections shall be . (, 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. [, 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. Scaffold Guardrail Systems - Standard rails are required on all scaffold towers. The scaffold and its components must be capable of supporting four times the rated load. Tip: One way to ensure a stable foundation, when a sill is used, is to secure it to the baseplate (Figure 2). [, 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. Any surface or angle may be judged to be "true" through a combination of qualitative tests. Cross-braces of the proper length must be used to ensure that the scaffold will remain plumb and rigid. (Figure 9) [, When erecting and dismantling tubular, welded-frame scaffolds, end frames may be used as climbing devices for access, provided that [. Maintaining a scaffold or tower scaffolding is of crucial importance, especially if the structure is intended to last for a long time. In general, a level is the easiest way to achieve the desired right angles. Medium-duty scaffolds can support 50 pounds per square foot. Connect the first cross- brace to the frame. Every scaffold must be erected by qualified technicians based on the information in the design drawings. Plumb and level the scaffold as it is being erected. Reaching 5 foot high all the way up to 30 feet tall. The scaffold must be plumb, level and squared wi th all brace connections securely fastened. _____ 1. Tip: Because it may be difficult to determine if a power line is insulated, or what its exact voltage is, the 10 foot rule should always be applied. Tube and coupler scaffold design must comply with 29 CFR 1926.451.452. 3. This individual must supervise all scaffold assemblies, changes, movement, or dismantling. Several days later, a crew of seven workers was instructed to replace the scaffold and finish painting the sign. . 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. Cross-bracing is required on both front and back sides of each scaffold buck or frame. . In addition, the scaffold and its components must support, without failure, its own weight and at least four times its maximum intended load. 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. Fasten all couplers and/or connections securely before assembling the next level. 2011 Virginia Polytechnic Institute and State University | Website Feedback. [, Be used only to support personnel, unless the scaffold has been designed for other loads by a qualified engineer and built to withstand the tipping forces caused by other loads. (Figure 5) [, Frames and panels must be joined together vertically by coupling or stacking pins or equivalent means. is allowed to accumulate on the platform. When dismantling the scaffold, check to ensure that the scaffold has not been structurally altered in a way that would make it unsafe. 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. The scaffold was constructed on a poured concrete floor and had been leveled. USA (v. 2008) 22 Tubular Welded-frame Scaffolds. Place the planks. Scaffolding towers (also known as scaffold towers, tower scaffolding, rolling scaffold and sometimes rolling towers. Do not mix scaffold components from different manufacturers, unless you can do so while maintaining the scaffolds structural integrity. Scaffolding. Scaffold tower can be erected in all shapes and sizes. [, Ends of stair rails and handrails constructed so that they do not constitute a projection hazard. The other five workers were hospitalized with electrical burns. The forklift is not moved horizontally while the platform is occupied. (l) Use a tag line when hoisting materials onto a scaffold. Toeboards must be installed on work platforms where materials or tools will be in use. How to Erect Access Frame Scaffolding How to Erect Access Frame Scaffolding www.worksafebc.com Select . Erect plumb, square and rigid with all brace connections securely fastened. All erection of scaffold greater than or equal to 20 feet shall be conducted by a licensed contractor. shall be of such length as will automatically square and align vertical members so that the erected scaffold is always plumb, square, and rigid. A tube and coupler scaffold has a platform(s) supported by tubing, and is erected with coupling devices connecting uprights, braces, bearers and runners. Install guys, ties and braces according to the manufacturers recommendations. PLUMB/LEVEL/SQUARE. When platform units are abutted together to create a long platform, each abutted end must rest on a separate support surface. 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. Consider such platforms for added stability and safety. Critical to scaffolding safety are the use of competent persons for the design, erection/dismantling, and maintenance of scaffolds, and trained workers for their use. 5. [, Nothing that could cause a slip, trip or fall (i.e. Support scaffold footings must be level and capable of supporting the loaded scaffold. An access ladder or equivalent safe access must be provided. To ensure the scaffold is "square", use a tape measure and measure the distance between opposite corners. Uplift is the separation of a frame from the frame below it. In Asia, bamboo is used as a construction material. 1. To be specific, a "true" surface is as "plumb" or as "level" as the job requires (which, in most cases, is a perfect level of both or either). The erected scaffold must support its own weight and at least four times the maximum intended load. 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 [29 CFR 1926.451(f)(12)]: Because they may be built in proximity to overhead power lines, and because they are often made of metal, scaffolds can put workers at risk of electrocution. Because metal frame scaffolds are conductive, power tools, cords, etc., that suffer insulation failure can electrify the entire scaffold. 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