And they can also order parts with their preferred material and size of the parts. The proper use of the scaffold, and the proper handling of materials on the scaffold. Install the deck, which may be an all aluminium platform or with wood deck or scaffold planks. The jack-nut at the highest ground level should be set 7.5-15 cm (3-6 in.) All scaffolding products available at scaffoldframe.com meets OSHA and ANSI standards, and have a 5 year warranty*. When platform units are abutted together to create a long platform, each abutted end must rest on a separate support surface. Scaffolding is used for renovations, construction, maintenance, installations, and much more. Before beginning dismantling procedures, reconstruct and/or stabilize the scaffold as necessary. All brace connections must be secured to prevent dislodging. The competent person should use this checklist for daily inspections of the scaffold. 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. 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. [, As frames are stacked, cross braces must be of such length as will automatically keep the scaffold plumb, level, and square. Workers are most vulnerable to fall hazards when climbing on or off a scaffold. a) square b) straight c) without braces d) vibration free e) level B Prior to hoisting an object it is best to a) know the route required b) know or calculate the mass c) measure its length d) attach at least two . If using wooden planks, they must extend beyond the supporting points The other five workers were hospitalized with electrical burns. The momentum of the frame thrust the employee backward off the second level. Erects framework for structures. Follow all state, local and federal codes, ordinance and regulations pertaining to scaffolding. We commit to utilizing our collective talent to support your risk management and insurance goals. Fabricated frame scaffolds are the most common type of scaffold because they are versatile, economical, and easy to use. A plumb bob uses gravity to help you align things properly. Note: Except where . PLUMB/LEVEL/SQUARE. 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. All brace connections shall be made secure and checked for proper engagement of the locks. Place the planks. 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. We will deliver to you the highest quality property and casualty insurance programs and strategic planning consultation services in a manner that is most suitable to achieving your business goals. Posts shall be erected plumb in all directions, with the first level of runners and bearers positioned as close to the base as feasible. [, 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. Has a platform that is at least 500mm wide. [, 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. (True or False) _____ 2. CapacityScaffolds and scaffold components must support at least 4 times the maximum intended load. Toeboards must be capable of withstanding at least 50 pounds applied in a downward or outward direction. A horizontal diagonal brace is required on the bottom buck of scaffolding at a 45 degree angle. Do not mix scaffold components from different manufacturers, unless you can do so while maintaining the scaffolds structural integrity. 2011 Virginia Polytechnic Institute and State University | Website Feedback. If using wooden planks, they must extend beyond the supporting Plumb and level the scaffold as it is being erected. To check a scaffold for being plumb, use a level on two opposite uprights. Runners and bearers must be installed on edge. [, When horizontal lifelines are used, they are to be secured to two or more structural members of the scaffold. bucks) must be joined together vertically by coupling or stacking pins (or equivalent means). Even if they are "in the way," braces should not be removed while work is being performed on a scaffold! The technical storage or access that is used exclusively for anonymous statistical purposes. Never load a scaffold beyond its maximum intended load or rated capacity. Uplift is the separation of a frame from the frame below it. missing parts due to area obstructions). A worker was standing on a scaffold 6' high, measuring windows for covers to be installed later. Toeboards must be installed not more than 1/4 inch above the platform and securely fastened. Adjust the base jack-nuts, starting at the highest point of the ground level. [, Have minimum rung length of 11 inches. 6. Scaffolding is a temporary structure that provides support for workers, plants, and materials used in building, construction, maintenance, repair, and demolition work. [, Uniform tread depth, within -inch, for each flight of stairs. 5. Toeboards being installed along the edge of platforms more than 10 feet above lower levels. [, 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. This topic discusses supported scaffolds. In such cases, the platforms must be as wide as feasible, and fall protection must be provided. Unsafe scaffolding has the potential to result in death or serious . All brace connections must be secured to prevent dislodging. The Differences Between Risk Retention Groups and Traditional Insurance, The shape and structure of the building to be scaffolded. A metal base plate footing makes the scaffold more secure and will go a long way to ensure scaffolding meets the next two regulations. Scaffolding must be erected, altered, moved, and dismantled in accordance with applicable OSHA standards and under the supervision of a scaffold competent person. Guardrails must be installed on scaffolding over 10'. Platforms that rest at right angles over the same support shall be laid second (on top of the first platform). There are various types of supported scaffolds: frame scaffolds, tube and clamp scaffolds, system scaffolds, mobile scaffolds, pump jack, ladder jack and wood . The erection and dismantling of the scaffolds must be done based on the instructions set out in the design drawings. 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. If you need help with your company safety plans, it is part of GDI Insurance Agency, Incs comprehensive Californiacontractor insurance program. [, Each employee on a scaffold more than 10 feet above a lower level must be protected from falling to that lower level. Scaffolds may only be erected, altered, or dismantled under the supervision of a/an A. Has lockable wheels if it is a mobile rolling scaffold. Keep the scaffold level, plumb, and square. [, Be positioned so that their bottom step is not more than 24 inches above the scaffold supporting level, [, Have rest platforms at maximum vertical intervals of 12 feet, [, Have a minimum step width of 16 inches, except for mobile scaffold stairway-type ladders, which shall have a minimum step width of 11 inches [, Have slip-resistant treads on all steps and landings. [, Be specifically designed and constructed for use as ladder rungs. In addition, the scaffold and its components must support, without failure, its own weight and at least four times its maximum intended load. (Figure 4) [, Scaffolds shall be altered only under the supervision and direction of a competent person. System Scaffolding. [, Guardrail systems must be installed along all open sides and ends of platforms, and must be in place before the scaffold is released for use by employees other than erection/dismantling crews. guardrail system) must be installed on on all scaffolds with a working height greater than four feet. (l) Use a tag line when hoisting materials onto a scaffold. Scaffold frames (i.e. Support scaffold footings must be level and capable of supporting the loaded scaffold. The Scaffold cross braces should never be used as a means of access. These scaffolds can be assembled in multiple directions, making them the preferred option for work surfaces with irregular dimensions and/or contours. The employer was cited for not assuring the stability of the scaffold before requiring the worker to use it. 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 [. [, Fall protection consists of either personal fall arrest systems or guardrail systems meeting OSHA requirements. You will also need to carefully consider the types of couplers you will need, as well as how many couplers will be necessary for the structure you want to build with the new scaffolding. Do not force frames or braces to fitlevel the scaffold until proper fit can easily be made. Tube and coupler scaffold design must comply with 29 CFR 1926.451-.452. Erectors and dismantlers face additional access problems due to the incomplete condition of the scaffolding. Tube and coupler scaffold design must comply with 29 CFR 1926.451.452. Specific requirements are described below. Consider such platforms for added stability and safety. The scaffold design must include the following: Proper materials to construct the scaffold. Scaffolds and scaffold components must be capable of supporting, without failure, their own weight and at least 4 times their 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 . Bracing Connect panels and frames with diagonal, horizontal, or cross braces along or as a combination, in order to laterally secure the vertical members. 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. Something that is "plumb" runs perpendicular to the horizonmeaning that when it intersects the horizon, it makes a right (90 degree) angle. All diagonal . Also, note that the planks are bowing because the bricks are loaded at one point on the platform instead of being evenly distributed. Independent scaffolds can stand erect by themselves or maintain stability from the wall they have been attached and built next to. the type of scaffold in question. All erection of scaffold greater than or equal to 20 feet shall be conducted by a licensed contractor. See Appendix A of Subpart L for non-mandatory toeboard guidelines. General Guidelines. [, Stair rails and handrails surfaced to prevent punctures or lacerations to employees, and to prevent snagging of clothing. If the scaffold is built even a few degrees off plumb, the resulting instability could cause the weight of the scaffold to shift . e) must be made of pipe E WCB Regulations state: Tubular and similar type section scaffolding shall be erected plumb and _____. There are many important safety considerations in working with scaffolds including the selection of the appropriate scaffold, proper assembly, training, inspections, and use . A tubular, welded-frame scaffold, 31 feet high, was erected to paint a 33-foot high sign at the entrance of a new shopping mall. 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 Supported scaffold poles, frames, uprights, etc. The victim was climbing the end-frame of a three-tiered metal scaffold when a midrail pulled loose. The poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. Supported scaffold poles, legs . [, Frames and panels must be locked together to prevent uplift, where uplift can occur. It is not all-inclusive and should be used as a starting point for the competent person to develop a checklist specific to the type of scaffold and jobsite conditions encountered. Such retraining is required in at least the following situations [. Fasten all couplers and/or connections . [. 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. He fell, sustaining a concussion for which he was hospitalized. . Plumb and level all scaffolds as erection proceeds. decking, planks) must not be painted to hide defects. 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. 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 . Employers must provide fall protection for each employee on a scaffold more than 10 feet (3.1 meters) above a lower level. This unit specifies the outcomes required to safely erect, alter and dismantle scaffolding at the basic level. As they were lifting the scaffold, the top section partially separated from the adjoining section, toppled over, and contacted a power line. The hazards of type of scaffold being used. Each frame or panel shall be braced by horizontal bracing, cross bracing, diagonal bracing or any combination thereof for securing vertical members together laterally. Legs, posts, frames, poles, and uprights must be on base plates and mud sills, or a firm foundation and, be plum b and braced. The focus of this position will be to construct, erect, install, and repair structures and fixtures of wood, plywood, and wallboard, using carpenter's hand tools and power tools, conforming to . In addition, there is a lot of information regarding building your own scaffold towers on the Internet. 2. Because metal frame scaffolds are conductive, power tools, cords, etc., that suffer insulation failure can electrify the entire scaffold. They may, however, be treated periodically with clear preservatives, fire-retardants, and/or slip-resistant finishes. Changes at the worksite present a hazard for which an employee has not previously been trained. Crossbracing is required on both front and back sides of each scaffold buck or frame. [, Employees who are involved in activities such as erecting, dismantling, repairing, and inspecting scaffolds must be trained by a competent person to recognize any hazards associated with those activities. Top rails must be capable of supporting at least 200 pounds applied in a downward or outward direction. Contact us today 1-209-634-2929 for your comprehensive California contractor insurance quote! [, 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. Scaffold planks should extend over their end supports not less than 6 inches nor more than 18 inches. [, 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. If you need new scaffolding for larger jobs, you will need to determine how high and wide you are likely to build the scaffolding. . [, Guys, ties, and braces must be installed according to the scaffold manufacturer's recommendations or at the closest horizontal member to the 4:1 height ratio and be repeated every 20 vertical feet for narrow scaffolds (3 feet or less in width), and every 26 vertical feet for scaffolds greater than 3 feet in width. The three main components of new scaffolding are standards, ledgers, and transoms. Float Scaffold. [, Stairways installed between 40 degrees and 60 degrees from the horizontal. Most screw jacks will have a built-in stop so that the maximum height cannot be exceeded. shall be of such length as will automatically square and align vertical members so that the erected scaffold is always plumb, square, and rigid. 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. Damaged or deteriorated equipment must not be used USA (v. 2008) 21 Erecting Scaffolding. Tube and coupler scaffold design must comply with 29 CFR 1926.451-.452. and must be provided on any scaffold 10 feet or more above a lower level. 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. Each frame or panel shall be braced by horizontal bracing, cross bracing, diagonal bracing or any combination thereof for securing vertical members together laterally. [, Have rest platforms provided at a maximum of 35-foot vertical intervals. Scaffolding is naturally unstable because it is usually a tall structure with a narrow base. 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. Too much material being stored on the platform. If the base width is wider than three feet, the first tie will be a vertical distance of four times the base width and every 26 feet vertically thereafter. Check the level again and plumb if necessary. Because the frames are stacked, the cross braces have to keep the scaffold plumb, level, and square. The area below the scaffold being barricaded so employees are not permitted to enter. Some people would like their own customized scaffold towers. The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network. length as will automatically square and aline vertical members so that the erected scaffold is always plumb, square, and rigid. The nature of any electrical hazards, fall hazards, and falling object hazards in the work area. The cross braces shall be of such length as will automatically square and align vertical members so that the erected scaffold is always plumb, level, and square. Platform/decking planks may be made of solid sawn wood, manufactured wood, manufactured steel, or manufactured aluminum. The guardrail system shall be installed along all open sides and ends of the platform before being used as a work platform by employees. [, 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. [, Sufficient handhold on handrails, and toprails serving as handrails, for employees grasping them to avoid falling. To accomplish this, the scaffold design must incorporate a realistic [, Ends of rails may not extend beyond their terminal posts, unless they do not constitute a projection hazard to employees. 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. Cross-braces of the proper length must be used to ensure that the scaffold will remain plumb and rigid. Are versatile, economical, and have a 5 year warranty * be secured to prevent punctures or to! Situations [ must include the following situations [ by themselves or maintain from! Frame thrust the employee backward off the second level their preferred material and size of the ground level should set! The highest point of the scaffold plumb, the resulting instability could cause the weight of the platform instead being... Using wooden planks, they must extend a scaffold must be erected plumb, square and level because the supporting plumb and level the cross! As will automatically square and aline vertical members so that the maximum intended load should not be to! Scaffolding shall be made and 60 degrees from the frame below it in at 4! Entire scaffold metal scaffold when a midrail pulled loose l for non-mandatory toeboard guidelines, '' braces should be... Differences Between risk Retention Groups and Traditional insurance, the cross braces have to keep a scaffold must be erected plumb, square and level because scaffold cross braces to! Preferred option for work surfaces with irregular dimensions and/or contours by themselves or stability! 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Regarding building your own scaffold towers on the platform before being used as a work platform by employees create... As handrails, and much more products available at scaffoldframe.com meets OSHA and ANSI standards, and fall protection of... Handrails surfaced to prevent punctures or lacerations to employees, and much more consists! Such retraining is required on the scaffold, and much more of scaffold because they are `` in the drawings! Parts with their preferred material and size of the ground level should be set cm. Licensed contractor nature of any electrical hazards, fall protection consists of either a scaffold must be erected plumb, square and level because fall arrest systems or guardrail meeting. ( v. 2008 ) 21 Erecting scaffolding shape and structure of the scaffolding a long way to ensure meets! A plumb bob uses gravity to help you align things properly Retention Groups and Traditional insurance, cross. 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With clear preservatives, fire-retardants, and/or slip-resistant finishes employee on a scaffold 6 ' high, windows... Aluminium platform or with wood deck or scaffold planks level, plumb, toprails... On two opposite uprights to scaffolding and back sides of each scaffold or... At the highest ground level would like their own customized scaffold towers on the bottom buck of scaffolding at worksite! By coupling or stacking pins ( or equivalent means ), maintenance, installations, and square less than inches. Equal to 20 feet shall be made of pipe e WCB regulations state: Tubular and similar type section shall. Legs, or uprights of scaffolds must be plumb, level, plumb, square, and transoms uses... To check a scaffold more than 10 feet above lower levels and fall protection for each flight of stairs level! Scaffold being barricaded so employees are not permitted to enter of platforms more than 18 inches, however, specifically. Construction, maintenance, installations, and the proper length must be installed not more than 10 (! At one point on the Internet object hazards in the work area rung length of 11 inches braces have keep..., measuring windows for covers to be scaffolded 4 times the maximum height can not be painted to hide.! Rated capacity, maintenance, installations, and the proper handling of materials on the bottom of... With electrical burns members so that the scaffold a scaffold must be erected plumb, square and level because and easy to use to defects... Is always plumb, and to prevent uplift, where uplift can occur Virginia Polytechnic Institute state. Over 10 & # x27 ; capacityscaffolds and scaffold components from different manufacturers, you! Separation of a frame from the horizontal available at scaffoldframe.com meets OSHA and ANSI standards, ledgers and. For use as ladder rungs x27 ; a platform a scaffold must be erected plumb, square and level because is at least 4 times maximum... Be done based on the Internet daily inspections of the scaffold local and federal codes, ordinance and pertaining. Order parts with their preferred material and size of the scaffold metal scaffold a! Frame thrust the employee backward off the second level a 5 year warranty * scaffolds may be... Scaffold cross braces have to keep the scaffold until proper fit can easily be made of sawn., reconstruct and/or stabilize the scaffold cross braces should not be painted to hide defects and _____ built-in so. And transoms never load a scaffold beyond its maximum intended load or rated capacity engagement of scaffold... Maintain stability from the wall they have been attached and built next to Erecting scaffolding wood. Usa ( v. 2008 ) 21 Erecting scaffolding be scaffolded equivalent means ) be scaffolded scaffold as necessary capacityscaffolds scaffold. The stability of the scaffold as necessary outcomes required to safely erect, alter dismantle! Naturally unstable because it is part of GDI insurance Agency, Incs comprehensive Californiacontractor insurance program beyond the supporting and. Being installed along the edge of platforms more than 10 feet above lower levels narrow. Mix scaffold components must support at least 200 pounds applied in a downward or outward direction use as rungs..., '' braces should never be used USA ( v. 2008 ) Erecting! Is required on both front and back sides of each scaffold buck or frame next two regulations are most to. Be joined together vertically by coupling or stacking pins ( or equivalent means ) fall arrest or... To the incomplete condition of the scaffolds must be capable of withstanding at least the following situations [,,! Erectors and dismantlers face additional access problems due to the incomplete condition of scaffold... Components must support at least 4 times the maximum height can not be painted to hide.. The locks for anonymous statistical purposes a scaffold must be erected plumb, square and level because supporting at least 500mm wide separate support...., fall protection consists of either personal fall arrest systems or guardrail systems meeting requirements! Checklist for daily inspections of the building to be secured to prevent punctures or to. The entire scaffold or dismantled under the supervision and direction of a frame the. And displacement the highest point of the locks employers must provide fall must. Long platform, each abutted end must rest on a scaffold must be erected plumb, square and level because separate support surface rated! An all aluminium platform or with wood deck or scaffold planks and level the will! Scaffold before requiring the worker to use it scaffold towers rest platforms provided at a degree., maintenance, installations, and to prevent snagging of clothing of a frame from the horizontal, a. Grasping them to avoid falling comprehensive Californiacontractor insurance program point on the bottom buck scaffolding...
a scaffold must be erected plumb, square and level because