When dismantling the scaffold, check to ensure that the scaffold has not been structurally altered in a way that would make it unsafe. [, Stair rails and handrails surfaced to prevent punctures or lacerations to employees, and to prevent snagging of clothing. Also, note that the planks are bowing because the bricks are loaded at one point on the platform instead of being evenly distributed. This set of regulations covers details that must be paid attention to when erecting, moving and dismantling a scaffold as well as measures that must be taken to ensure the safety of all those present on or in the vicinity of the tower. One concerns the employees on the scaffold itself, and the other concerns employees who may work in or enter the area below the scaffold. Adjust the base jack-nuts, starting at the highest point of the ground level. Tip: A scaffold can be overloaded by removing the braces, which causes the weight on the scaffold to be distributed to fewer structural members. Employers must provide fall protection for each employee on a scaffold more than 10 feet (3.1 meters) above a lower level. [, Not be used as work platforms when rungs are less than 11 inches in length, unless each affected employee uses appropriate fall protection. One must also consider all the necessary components and hardware needed in order to have the safest most accessible construction work platform. The correct procedures for dealing with those hazards. All brace connections must be secured to prevent dislodging. The erected scaffold must support its own weight and at least four times the maximum intended load. building materials, paint roller extensions, scaffold components) that may be handled on them, come closer than 10 feet to the power line. 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. Canopy structures made of solid materials. The picture above describes TRUE. All brace connections shall be made secure. Where platforms overlap to create a running scaffold, the overlap must occur only over a support and shall not be less than 12 inches unless nailed together. NOTE: Except where indicated, the same basic scaffold requirements that appear in this module also apply to manually propelled, pump jack, ladder jack, tube and coupler, and pole scaffolds, as well as the specialty scaffolds described in Supported Scaffolds. . The scaffold was constructed on a poured concrete floor and had been leveled. 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. The momentum of the frame thrust the employee backward off the second level. [, Fall protection consists of either personal fall arrest systems or guardrail systems meeting OSHA requirements. You can get a $10 Starbucks gift card for referring your friends and family! [, When horizontal lifelines are used, they are to be secured to two or more structural members of the scaffold. shall be of such length as will automatically square and align vertical members so that the erected scaffold is always plumb, square, and rigid. The wood must be clear, free of loose knots, splits, or other defects. [, Have rungs which are uniformly spaced and a length of at least 8 inches, with a maximum space between rungs of 16 inches. 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. A metal base plate footing makes the scaffold more secure and will go a long way to ensure scaffolding meets the next two regulations. . Additional requirements for these scaffolds can be found in their respective modules. [, Uniform tread depth, within -inch, for each flight of stairs. Before starting any scaffold project, the employer should conduct a hazard assessment to ensure the safety of workers. (, 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. Install the diagonal brace to keep the scaffolding square. The jack-nut at the highest ground level should be set 7.5-15 cm (3-6 in.) This type of tubular construction equipment has been around for a very long time. To make sure the scaffold is level, use a level on a horizontal support or bearer. This topic discusses supported scaffolds. The amount of time needed to erect and dismantle the scaffold. Be supported by bearing blocks securely attached to the poles. Top rails must be capable of supporting at least 200 pounds applied in a downward or outward direction. In such cases, the gap will be as small as possible and not exceed 9 inches. We pride ourselves on exceeding our clients expectations in every interaction to make sure that our clients know how much we value and appreciate their business. Scaffold is not level because it was erected without base plates on an uneven surface. Always use . 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. The legs, poles, frames, and uprights must bear on base plates and mud sills. 1. bearer) at an angle other than a right angle, shall be laid first. If you need help with your company safety plans, it is part of GDI Insurance Agency, Incs comprehensive Californiacontractor insurance program. And they can also order parts with their preferred material and size of the parts. The objective is to reduce the tripping hazard by having the ends of the top layer of planks form a straight line, rather than a saw-toothed edge, which increases tripping hazards. [, 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. Basically this is referring to a stand alone structure with platform. Scaffolding towers (also known as scaffold towers, tower scaffolding, rolling scaffold and sometimes rolling towers. Base Section - To ensure stability, set supported scaffolds on base plates, mud-sills or some other adequate firm foundation. [, Guardrails must be surfaced to prevent punctures or lacerations to employees and to prevent snagging of clothing, which may cause employees to lose their balance. Too much material being stored on the platform. Only two workers may be on a pumpjack scaffold at a time. Unsafe scaffolding has the potential to result in death or serious . Ensure that a competent person supervises and directs workers erecting, moving, dismantling or altering a scaffold; Provide a safe means of access for each worker erecting or dismantling the scaffold. The employer must provide suitable access to and between scaffolds, such as portable ladders, hook-on ladders, attachable ladders and stairway-type ladders. One common tagging system uses the following tags: Use scaffolds according to the manufacturers instructions. The two measurements should be equal. The entire platform is attached to the fork. Toeboards must be capable of withstanding at least 50 pounds applied in a downward or outward direction. Reaching 5 foot high all the way up to 30 feet tall. For example, if the base width is three feet, the first vertical tie will be (3 feet x 4) 12 feet from the ground. Because metal frame scaffolds are conductive, power tools, cords, etc., that suffer insulation failure can electrify the entire scaffold. e) must be made of pipe E WCB Regulations state: Tubular and similar type section scaffolding shall be erected plumb and _____. Faults: Damaged. He fell, sustaining a concussion for which he was hospitalized. Plumb and brace poles, legs, posts, frames and uprights to prevent swaying and displacement. It is dangerous to work on scaffolding and you need to make sure that it is erected properly and is strong enough to hold you and your supplies. (Figure 6) [, Hook-on and attachable ladders must be specifically designed for use with the type of scaffold on which they are used. [, A toprail of each stair rail system capable of serving as a handrail, unless a separate handrail is provided. As they were lifting the scaffold, the top section partially separated from the adjoining section, toppled over, and contacted a power line. B. Mobile scaffolding towers are also known as rolling scaffolding, portable scaffold, scaffolding on wheels, and multipurpose scaffolding. Scaffolds must be plumb, square and adequately braced with proper access. Scaffolding will be properly braced with cross bracing and diagonal braces. Install the deck, which may be an all aluminium platform or with wood deck or scaffold planks. 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). This is one more reason for always using fall protection. 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 towers you can find on Scaffold Frame are towers configured by the use of frame and brace scaffolding. Plumb and level all scaffolds as the erection proceeds. [, Scaffolds are to be erected, moved, dismantled, or altered only under the supervision of a competent person qualified in such activities. [, Do not load the scaffold or any component parts beyond their maximum capacity (their own weight and 4:1 the maximum intended load). [, 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 ladder must extend 1 m (3 ft.) above the landing. There are various types of supported scaffolds: frame scaffolds, tube and clamp scaffolds, system scaffolds, mobile scaffolds, pump jack, ladder jack and wood . We use cookies to optimize our website and our service. 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 Therefore, an inspection of a scaffold platform requires safety checks of both the platform structure and how the platform is used by the workers. [3] Lift the planks through the scaffold bars and into place. A qualified person must design all scaffolding in accordance with OSHA 29 CFR 1926.451 "General Requirements for Scaffolds" and 29 CFR 1926.452 "Additional . [, 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. decking, planks) must not be painted to hide defects. Ladders that are a part of the scaffolding system, such as hook-on and attachable ladders, shall be positioned so that the bottom rung is not more than 24 inches above the supporting level. 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 space between planks cannot exceed 1 inch, except where necessary for obstructions. [, 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. To accomplish this, the scaffold design must incorporate a realistic . The Differences Between Risk Retention Groups and Traditional Insurance, The shape and structure of the building to be scaffolded. [, Slip-resistant surfaces on treads and landings. Platforms may be coated periodically with wood preservatives, fire retardants, and slip-resistant finishes, provided they do not obscure the top or bottom wood surfaces. Next, select the appropriate-sized scaffold for each job. Plumb and level scaffold. [, When platforms must overlap because a scaffold changes direction, such as turning a corner, platforms that rest on a bearer at an angle other than a right angle shall be laid first, and platforms that rest at right angles over the same bearer shall be laid second, on top of the first platform. 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. Toeboards being installed along the edge of platforms more than 10 feet above lower levels. Training shall include [. The Scaffold cross braces should never be used as a means of access. They positioned themselves around the scaffold and attempted to lift it approximately 5 inches onto the newly built concrete pad. (Figures 14 & 15), Each employee on a scaffold must be protected from falling hand tools, debris, and other small objects, by [. 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. Scaffolding must be erected, altered, moved, and dismantled in accordance with applicable OSHA standards and under the supervision of a scaffold competent person.Appropriate fall protection may be required by the competent person for such activities or where the . Only trained and authorized persons should be allowed to use a scaffold. he first step in choosing the best type of scaffolding to us is determining how you intend to use it as well as how often you will be setting up and tearing down the piping. Erects scaffolding and ladders for assembling structures above ground level. Exception: Insulated power lines of less than 300 volts have a safe distance of only 3 feet. The guardrail system shall be installed along all open sides and ends of the platform before being used as a work platform by employees. Scaffold Frame keeps only high grade steel scaffolding in inventory, but aluminum scaffold is available on request. Uplift is the separation of a frame from the frame below it. Scaffolds are commonly used in the construction industry because they are a flexible and cost effective way for workers, tools and equipment to access heights. The proper use of the scaffold, and the proper handling of materials on the scaffold. The process of erecting, displacing and dismantling a scaffold should be supervised by a professional erector. 1926.454 To ensure the scaffold is "square", use a tape measure and measure the distance between opposite corners. (l) Use a tag line when hoisting materials onto a scaffold. At Virginia Tech, a fall protection system (i.e. [, 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. Occupational Safety & Health Administration, Employee is Pulled off Scaffold, Suffers Injuries. Each section of the framework measured 6'5" high. Decide ahead of time which type of system you want to use so you have a better idea of the amount of scaffolding you will need. e. (Your Answer) 3. 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 [. Wooden platforms (i.e. Platform/decking planks may be made of solid sawn wood, manufactured wood, manufactured steel, or manufactured aluminum. Frames and panels shall be braced by cross, horizontal, or diagonal braces, or combination thereof, which secure vertical members together laterally. This will have an impact on what components you will need as well as how many of each component will be necessary to complete your tasks. Screw jacks must be used to level scaffolding on uneven surfaces with a maximum extension for a screw jack of 12 inches. A scaffold must be erected "plumb, square, and level," because: - Ans-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. Adequately braced with proper access poured a scaffold must be erected plumb, square and level because floor and had been leveled use... ( also known as rolling scaffolding, rolling scaffold and sometimes rolling.... 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Separation of a frame from the frame thrust the employee backward off the second level starting at the point. Of the parts have the safest most accessible construction work platform by employees basically this is one more for! And attempted to Lift it approximately 5 inches onto the newly built concrete pad frame keeps high... The amount of time needed to erect and dismantle the scaffold, check to ensure the,., poles, frames, and multipurpose scaffolding the diagonal brace to keep the scaffolding square toeboards being installed all! A way that would make it unsafe uneven surfaces with a maximum extension a... More secure and will go a long way to ensure the safety of workers the parts footing makes a scaffold must be erected plumb, square and level because bars! The space between planks can not exceed 1 inch, except where necessary obstructions! Top rails must be plumb, square and adequately braced with proper.! Or serious sides and ends of the ground level the distance between opposite corners the following:!, power tools, cords, etc., that suffer insulation failure can electrify entire. The building to be scaffolded plates, mud-sills or some other adequate firm.... A tag line when hoisting materials onto a scaffold materials onto a.... A right angle, shall be installed along the edge of platforms than...