They positioned themselves around the scaffold and attempted to lift it approximately 5 inches onto the newly built concrete pad. Install guys, ties and braces according to the manufacturers recommendations. The erected scaffold must support its own weight and at least four times the maximum intended load. The amount of time needed to erect and dismantle the scaffold. In addition, the scaffold and its components must support, without failure, its own weight and at least four times its maximum intended load. [, A landing platform at least 18 inches wide by 18 inches long at each level. Place the first frame onto the base plates at the high point. 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. The height of the scaffold in relation to the minimum base width, wind loads, the use of brackets or cantilevered platforms, and Not tied. Too much material being stored on the platform. Plumb and level all scaffolds as the erection proceeds. A guardrail system shall be installed with openings small enough to contain the objects. As early as possible, install hook-on or attachable ladders; Ensure that workers do not climb diagonal braces to reach the scaffold platform; Provide fall protection for workers erecting or dismantling the scaffold; and. Install the deck, which may be an all aluminium platform or with wood deck or LeeLite planks. Install the deck, which may be an all aluminium platform or with wood deck or scaffold planks. Additional requirements for these scaffolds can be found in their respective modules. Personnel working on or from a scaffold, or in the vicinity of overhead work, such as that performed from a scaffold, aerial lift, roof, or crane must wear hard hats in accordance with Virginia Tech's Personal Protective Equipment Program. Guys, ties, and braces must be installed at locations where horizontal scaffold components support both inner and outer legs. Be sure scaffold stays plumb and level as . They may, however, be treated periodically with clear preservatives, fire-retardants, and/or slip-resistant finishes. Consider such platforms for added stability and safety. An employee was constructing the third level of a tubular, welded-frame scaffold while standing on the second level. Scaffold components of dissimilar metals should not be used together, unless the competent person has determined that galvanic action will not reduce the strength of any component. 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. [, Scaffolds over 125 feet (38.0m) in height above their base plates shall be designed by a registered professional engineer, and shall be constructed and loaded in accordance with such design. Install a suitable means of access, such as a sloping or vertical ladder secured to the scaffold at the landing point. [, Stair rails and handrails surfaced to prevent punctures or lacerations to employees, and to prevent snagging of clothing. In such cases, the gap will be as small as possible and not exceed 9 inches. Supported scaffold poles, legs, posts, frames, and uprights shall bear on base plates and mud sills (or other adequate firm foundation). These workers must also be trained to do the following: For more information on scaffold safety, contact GDI Insurance Agency, Inc. and visit OSHAs Safety and Health Topics page at www.osha.gov/SLTC/scaffolding/. The other five workers were hospitalized with electrical burns. [, 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. [, All brace connections must be secured to prevent dislodging. He fell to the ground, sustaining a fatal blow to his head. 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. The frames must be plumb and level and spaced to adequately support the loads. Call us today 1-888-991-2929! and that cross braces are of such length as will automatically keep the scaffold plumb, level, and square. The victim was climbing the end-frame of a three-tiered metal scaffold when a midrail pulled loose. Specific requirements are described below. 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. There are various types of supported scaffolds: frame scaffolds, tube and clamp scaffolds, system scaffolds, mobile scaffolds, pump jack, ladder jack and wood . Frames and panels should also be locked together to prevent uplift. Scaffolding is naturally unstable because it is usually a tall structure with a narrow base. The picture above describes TRUE. Plumb and brace poles, legs, posts, frames and uprights to prevent swaying and displacement. Ties, guys, bracing and/or outriggers may be needed to assure a safe, stable scaffold assembly. Therefore, employers are required to provide safe scaffold access. [, 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. Plumb and level the scaffold as it is being erected. Do not force frames or braces to fitlevel the scaffold until proper fit can easily be made. The following procedures will cover all scaffolding erected, . 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. Scaffolding, also called scaffold or staging, is a temporary structure used to support a work crew and materials to aid in the construction, maintenance and repair of buildings, bridges and all other man-made structures.Scaffolds are widely used on site to get access to heights and areas that would be otherwise hard to get to. When the other end of the 2x4 slipped off the bucket, the employee did not let go of his end, and was pulled off the deck. Uplift is the separation of a frame from the frame below it. If using wooden planks, they must extend beyond the supporting . 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. Use footings that are level, sound, rigid and capable of supporting the load without settlement or displacement. Even if they are "in the way," braces should not be removed while work is being performed on a scaffold! Cross braces must keep the scaffold plumb, level, and square; All brace connections must be secured to prevent dislodging; Frames and panels must be joined together vertically by coupling or stacking pins or equivalent means; Frames and panels must be locked together to prevent uplift (separation of a Medium-duty scaffolds can support 50 pounds per square foot. Posts shall be erected plumb in all directions, with the first level of runners and bearers positioned as close to the base as feasible. Be sure scaffold stays plumb and level as erection progresses. The inspections also must verify that is the scaffold is level and plumb, the base plates are in firm contact with sills, bracing is in place and connected, platforms are fully . [, Walkways located within a scaffold must have guardrail systems installed within 9 inches of and along at least one side of the walkway. 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. [, Have uniform spacing between rungs of a maximum 16 inches. Every scaffold must be erected by qualified technicians based on the information in the design drawings. Pinning - Frames and panels must be joined together vertically through the use of stacking pins or coupling, or equivalent means. missing parts due to area obstructions). [, 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. Barricades to keep personnel out of a hazardous area. To accomplish this, the scaffold design must incorporate a realistic assessment of maximum intended loads on the scaffold at all stages of erection and loading. Personal Fall Arrest System. Make sure the scaffold is stable. Toeboards must be installed not more than 1/4 inch above the platform and securely fastened. The technical storage or access that is used exclusively for statistical purposes. Training must include how to safely do the following: Erectors and dismantlers of tube and coupler scaffolds are at particular risk because their work starts before ladders, guardrails and platforms are completely installed. Only two workers may be on a pumpjack scaffold at a time. The momentum of the frame thrust the employee backward off the second level. 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. 2. [, Have rest platforms provided at a maximum of 35-foot vertical intervals. When dismantling the scaffold, check to ensure that the scaffold has not been structurally altered in a way that would make it unsafe. [29 CFR 1926.451(g)(2)]. Supported scaffold poles, frames, uprights, etc. All joints must be Supported scaffold poles, frames, uprights, etc. Appropriate fall protection may be required by the competent person for such activities or where the scaffolding is considered incomplete (i.e. Requirements to prevent falls that apply only to these workers are addressed separately below. The maximum extension for a screw jack is 18 inches high. Ladders are used to provide access to different levels of the scaffold, although sometimes steps will be used to improve safety. Therefore, all portable electric equipment must be protected by: Tip: Often, a worker who is shocked survives the current, only to lose balance and be killed in a fall. 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. building materials, paint roller extensions, scaffold components) that may be handled on them, come closer than 10 feet to the power line. And they can also order parts with their preferred material and size of the parts. (4) Scaffold legs shall be set on adjustable bases or plain bases place on mud . Faults: Damaged. This individual must supervise all scaffold assemblies, changes, movement, or dismantling. [, Sufficient handhold on handrails, and toprails serving as handrails, for employees grasping them to avoid falling. Scaffolding will be properly braced with cross bracing and diagonal braces. [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. 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 [. The employer was cited for not assuring the stability of the scaffold before requiring the worker to use it. Haul Scaffolding Safely. Others, such as swivel couplers, can be used for a variety of purposes; they can be positioned to allow various angles and crosses among the types of piping. [, If a ramp or walkway has a slope of more than 1:8, it must have cleats securely fastened to the planks not more than 14 inches apart, to provide footing. One must also consider all the necessary components and hardware needed in order to have the safest most accessible construction work platform. If solid sawn wood is used, it must be scaffold grade. The correct procedures for dealing with those hazards. All brace connections shall be . Fabricated frame scaffolds are the most common type of scaffold because they are versatile, economical, and easy to use. Runners must: Extend over two poles at minimum. . 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. All brace connections must be secured to prevent dislodging. All brace connections shall be made secure and checked for proper engagement of the locks. There are two kinds of falling object hazards associated with scaffolds. This risk can be removed through proper clearance and maintenance. 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. 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