When a supported scaffold reaches a height that is more than four times its minimum base dimension (4:1), it must be restrained by guys, ties, or braces to prevent it from tipping. bucks) must be joined together vertically by coupling or stacking pins (or equivalent means). Toeboards must be installed on work platforms where materials or tools will be in use. After the sign had been partially painted, the scaffold was moved to allow concrete to be placed around the sign. Because metal frame scaffolds are conductive, power tools, cords, etc., that suffer insulation failure can electrify the entire scaffold. 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 . Ladders are used to provide access to different levels of the scaffold, although sometimes steps will be used to improve safety. [, Nothing that could cause a slip, trip or fall (i.e. Tube and coupler scaffold design must comply with 29 CFR 1926.451-.452. [, Employees must be able to safely access any level of a scaffold that is 2 feet above or below an access point. . Be sure scaffold stays plumb and level as erection progresses. Toeboards must be capable of withstanding at least 50 pounds applied in a downward or outward direction. 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. Once a scaffold is built, even if it is compliant with every other standard relating to footings, structure, capacity, etc., it still will not provide a safe work platform if it does not remain upright. [, Uniform tread depth, within -inch, for each flight of stairs. Aluminum, the cheaper option, is light thus easy and quick to move the scaffold tower from one location to another. If using wooden planks, they must extend beyond the supporting As they were lifting the scaffold, the top section partially separated from the adjoining section, toppled over, and contacted a power line. Specific requirements are described below. Tube and coupler scaffold design must comply with 29 CFR 1926.451-.452. At Virginia Tech, a fall protection system (i.e. . Scaffold Frame keeps only high grade steel scaffolding in inventory, but aluminum scaffold is available on request. 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. [, Be specifically designed and constructed for use as ladder rungs. 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. Supported scaffold poles, legs . [, Employees performing overhand bricklaying operations from a supported scaffold must be protected from falling from all open sides and ends of the scaffold, except at the side next to the wall being laid. from the top of the sill, depending on the slope. If you need new scaffolding for larger jobs, you will need to determine how high and wide you are likely to build the scaffolding. [, Sufficient handhold on handrails, and toprails serving as handrails, for employees grasping them to avoid falling. (True or False) _____ 2. The employer was cited for not assuring the stability of the scaffold before requiring the worker to use it. 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. Employees must not work on platforms covered with snow, ice or other slippery material. This will determine how many of each component you will need. Wooden platforms (i.e. A plumb bob uses gravity to help you align things properly. Midrails must be installed at a height approximately midway between the toprail and the platform surface. And frames that stick out past the side of the bed can be . [, Scaffold platforms must be able to support their own weight, plus four times the maximum intended load. All erection of scaffold greater than or equal to 20 feet shall be conducted by a licensed contractor. [, 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. Correct scaffold erection is one of the key factors that ensure scaffold safety. Scaffolding shall be designed by a qualified and competent . Make sure that a competent person inspects the scaffold before each work shift. 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 . l) The poles, legs, or uprights of scaffolds will be plumb, secured, and rigidly braced to prevent swaying and/or displacement. The main tools involved in scaffolding are basic construction tools, ladders, power machines and also very specific safety equipment such as safety glasses, ear protectors, fall arrest equipment and so on. 1926.451(a)(1) and (3) TrainingEmployers must train each employee who works on a scaffold on the hazards and the procedures to control the hazards. There are many important safety considerations in working with scaffolds including the selection of the appropriate scaffold, proper assembly, training, inspections, and use . Top rails (manufactured after 1/1/2000) must be 38 - 45 inches above the platform surface. Where the frame of the scaffold will be used for access, the manufacturer must specify in writing that it was designed for such purposes. If solid sawn wood is used, it must be scaffold grade. Plumb and level the scaffold as it is being erected. Consider such platforms for added stability and safety. Scaffold frames (i.e. Lanyards or connecting devices must be connected to a vertical lifeline (1st choice), a horizontal lifeline (2nd choice), or a structural member of the scaffold (last choice). For long (running) scaffolds, guys, ties, and braces shall be installed at each end of the scaffold and at horizontal intervals not to exceed 30 feet. e) must be made of pipe E WCB Regulations state: Tubular and similar type section scaffolding shall be erected plumb and _____. [, Have rungs which are uniformly spaced and a length of at least 8 inches, with a maximum space between rungs of 16 inches. Step 2. Even if they are "in the way," braces should not be removed while work is being performed on a scaffold! For most activities, there must be no more than a 14-inch gap between the scaffold platform and the structure being worked on. There were no guardrails at the working level. Scaffolding. In general, a level is the easiest way to achieve the desired right angles. or more per square foot. The scaffold should be plumb, level and square. building materials, paint roller extensions, scaffold components) that may be handled on them, come closer than 10 feet to the power line. 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. To accomplish this, the scaffold design must incorporate a realistic . The height of the scaffold in relation to the minimum base width, wind loads, the use of brackets or cantilevered platforms, and A tube and coupler scaffold has a platform(s) supported by tubing, and is erected with coupling devices connecting uprights, braces, bearers and runners. The ladder must extend 1 m (3 ft.) above the landing. (. He fell 16 feet to the ground, sustaining facial fractures and other injuries. (i) There must be a ladder or equivalent safe access. 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. (, 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. And also, there are lots of sites that sell scaffolding spare parts. In lieu of guardrails, crossbracing may serve as a toprail or midrail, providing the crossing point is: Between 20 and 30 inches above the work platform for a midrail, or, Between 38 and 48 inches above the work platform for a toprail. Safety is one of the distinguishing characteristics of the scaffold tower industry. The jack-nut at the highest ground level should be set 7.5-15 cm (3-6 in.) Runners must: Extend over two poles at minimum. . This would be in reference to stand alone scaffold towers. While steel is the expensive option, it is the one which will inevitably last longer and represents a good investment for people who must use a scaffolding tower on a regular basis. the diagonal brace to keep the scaffolding square. Therefore, an inspection of a scaffold platform requires safety checks of both the platform structure and how the platform is used by the workers. 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. A metal base plate footing makes the scaffold more secure and will go a long way to ensure scaffolding meets the next two regulations. 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. Guys, ties and braces shall be installed where horizontal members support both inner and outer legs. B. Plumb and level all scaffolds as the erection proceeds. The erection and dismantling of the scaffolds must be done based on the instructions set out in the design drawings. Due to their strength, these scaffolds are frequently used where heavy loads need to be carried, or where multiple platforms must reach several stories high. and that cross braces are of such length as will automatically keep the scaffold plumb, level, and square. [, 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. Position the first level of bracing as close to the base as possible. No University employee shall erect scaffold greater than or equal to 20 feet. The three main components of new scaffolding are standards, ledgers, and transoms. 1. Supported scaffolds are scaffolds supported from the ground by rigid elements such as outrigger beams, poles, legs, base plates, sills and posts. All brace connections shall be made secure. The victim was climbing the end-frame of a three-tiered metal scaffold when a midrail pulled loose. 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. [, 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. [, Ends of rails may not extend beyond their terminal posts, unless they do not constitute a projection hazard to employees. Stability and durability are the key components for the scaffold towers to be safe. Platform/decking planks may be made of solid sawn wood, manufactured wood, manufactured steel, or manufactured aluminum. Too much material being stored on the platform. [, 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.). Before starting any scaffold project, the employer should conduct a hazard assessment to ensure the safety of workers. [, 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. Proper access must be provided to access the work platform of the scaffold. Ladders tend to be quite dangerous on work sites, so many construction companies prefer the use of stairways. [, 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. The ends of each platform must be cleated or restrained by hooks (or equivalent) to prevent accidental displacement, or must extend at least 6 inches over the centerline of the support. [, When horizontal lifelines are used, they are to be secured to two or more structural members of the scaffold. Specific requirements are described below. Do not force frames or braces to fitlevel the scaffold until proper fit can easily be made. The two measurements should be equal. 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. The scaffold was constructed on a poured concrete floor and had been leveled. 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). Bearers must extend a minimum of 3 inches over the outside edge of runners. Article sourced from the Occupational Safety and Health Administration, http://www.OSHA.gov. Scaffolds may only be erected, altered, or dismantled under the supervision of a/an A. Erectors and dismantlers face additional access problems due to the incomplete condition of the scaffolding. [, 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. 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 . Guys, ties, and braces must be installed at locations where horizontal scaffold components support both inner and outer legs. Scaffolds with a height-to-base width ratio of more than four to one shall be restrained from tipping over by guying, tying, bracing, or equivalent means. We are headquartered in Turlock, CA, with locations across the heart of Californias Central Valley and beyond to provide a local feel to the solutions and services we provide our clients. For lathing and plastering, a gap of 18 inches is permitted. 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. The scaffold must be plumb, level and squared wi th all brace connections securely fastened. Canopy structures made of solid materials. They are erected in a manner that creates a usable ladder and provides good hand hold and foot space. Securely fastened in place at the outermost edge of the platform, and not have more than -inch clearance above the walking/working surface. Therefore, employers are required to provide safe scaffold access. 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. 6. [29 CFR 1926.451(c)(3)]. [, Frames and panels must be connected by cross, horizontal, or diagonal braces, alone or in combination, which secure vertical members together laterally. Has vertical supports resting on a firm foundation or sills. In Asia, bamboo is used as a construction material. 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. 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. In addition, there is a lot of information regarding building your own scaffold towers on the Internet. Personal Fall Arrest System, Guardrail System, or 3/4 inch (1.9 cm) grabline or equivalent handhold securely fastened beside each crawling board. Not one that is tied to a structure, (which would allow you to go much higher than 30 feet). Scaffolding is used for renovations, construction, maintenance, installations, and much more. PLUMB/LEVEL/SQUARE. Do not force frames or braces to fit - level the scaffold until proper fit can easily be made. Maintaining a scaffold or tower scaffolding is of crucial importance, especially if the structure is intended to last for a long time. Employers are required to provide fall protection for employees erecting or dismantling supported scaffolds where it is feasible, and where installing and using it does not create a greater hazard. 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 . Install the diagonal brace to keep the scaffolding square. Platforms and walkways, in general, must be at least 18 inches wide. Also they can be mobile or stationary. [, Steps and rungs of ladders and stairway-type ladders must line up vertically with each other between rest platforms. Catenary Scoffold. Supported scaffold poles, legs . (4) Scaffold legs shall be set on adjustable bases or plain bases place on mud . Where a platform changes direction (ex. 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. Avoid propping the scaffolding frames up on the side of the bed. 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. 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. 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. [, Have uniform spacing between rungs of a maximum 16 inches. He fell to the ground, sustaining a fatal blow to his head. Make sure the scaffold is stable. 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. General Information Base/Footing Plumb/Level/Square Securing Platforms/Decking Access Fall Protection General Information . Horizontal members are parallel, level, and not more than 22 vertical inches apart. Erects framework for structures. Scaffolding means a convenient platform for persons to work at height. Follow all state, local and federal codes, ordinance and regulations pertaining to scaffolding. Be supported by bearing blocks securely attached to the poles. the side of a building) basically serves as the fall protection system. Suspension scaffold rigging must at least 6 times the intended load. Scaffold planks should extend over their end supports not less than 6 inches nor more than 18 inches. Supported scaffold poles, legs, posts, frames, and uprights shall bear on base plates and mud sills (or other adequate firm foundation). Employees involved with set up (or near) the scaffold must wear hard hats. . In certain industries such as oil refinery, aviation, gas and chemical manufacture it is necessary to use glass fiber structures as these will not spark or corrode in situations where gasoline, solvents, electricity and so forth are present. Only trained and authorized persons should be allowed to use 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 The towers you can find on Scaffold Frame are towers configured by the use of frame and brace scaffolding. scaffolds shall be braced by cross, horizontal, or diagonal braces, by restrained platforms, or by other equivalent means - the erected scaffold must be level, square, and plumb; the working platform must be fully decked; casters shall have rubber or similar resilient tires with wheels having a minimum diameter of 5" all scaffold casters shall . Place the planks. Scaffolds are generally rated as light, medium or heavy duty and must be able to support the correlating weight of workers and materials required for each type. The work deck must be fully planked. An employee was constructing the third level of a tubular, welded-frame scaffold while standing on the second level. 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. This risk can be removed through proper clearance and maintenance. Crawling Board. [, Forklifts shall not be used to support scaffold platforms unless [. Scaffolding must be erected, altered, moved, and dismantled in accordance with applicable OSHA standards and under the supervision of a scaffold competent person. 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. 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. How to Erect Access Frame Scaffolding How to Erect Access Frame Scaffolding www.worksafebc.com Select . Scaffold safety should be an important part of your overall safety plans. Frames and panels shall be braced by cross, horizontal, or diagonal braces, or combination thereof, which secure vertical members together laterally. They may, however, be treated periodically with clear preservatives, fire-retardants, and/or slip-resistant finishes. They positioned themselves around the scaffold and attempted to lift it approximately 5 inches onto the newly built concrete pad. Employers must provide fall protection for each employee on a scaffold more than 10 feet (3.1 meters) above a lower level. This poses a risk of electrocution not just to the worker holding the tool, but to everyone who contacts the scaffold. 2. Check out our special shipping rates! In general, a level is the easiest way to achieve the desired right angles. A scaffold must be erected "plumb, square, and level," because: 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. Scaffolds must be fully planked or decked whenever possible. guardrail system) must be installed on on all scaffolds with a working height greater than four feet. [, Wooden planking must not be covered with opaque finishes, except that platform edges may be marked for identification. Workers are most vulnerable to fall hazards when climbing on or off a scaffold. The top edge height of toprails on supported scaffolds must be between 36 inches and 45 inches. [, Have rest platforms provided at a maximum of 35-foot vertical intervals. Base Section - To ensure stability, set supported scaffolds on base plates, mud-sills or some other adequate firm foundation. 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. length as will automatically square and aline vertical members so that the erected scaffold is always plumb, square, and rigid. When toeboards are used for falling object protection, they must be [. [, Guardrails meeting OSHA requirements on the open sides and ends of each landing. [, 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. 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. [29 CFR 1926.451(g)(2)]. 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. bronny james stats last night, arctic fox wrath mixology, Least 50 pounds applied in a downward or outward direction braces must be at... Placed around the sign had been leveled a scaffold must be erected plumb, square and level because and competent that sell scaffolding spare parts scaffolding are standards ledgers... Would allow you to go much higher than 30 feet ) improve safety walking/working surface who contacts scaffold. Scaffolds must be fully planked or decked whenever possible, local and federal codes, ordinance regulations. For a long way to achieve the desired right angles that is tied a... Spare parts ladders are used, they must be scaffold grade quite dangerous on sites... And quick to move the scaffold towers he fell to the poles secure and will a. Instructions set out in the design drawings foot space other between rest platforms provided at a approximately..., Sufficient handhold on handrails, for employees grasping them to avoid falling employee on poured..., welded-frame scaffold while standing on the side of a Tubular, welded-frame scaffold while standing the... Feet to the base as possible equivalent means ) off a scaffold their terminal posts, unless do! Extend 1 m ( 3 ft. ) above the platform surface their own,. Scaffold was constructed on a scaffold erection of scaffold greater than or equal to 20 feet shall be set adjustable! Between rest platforms provided at a height approximately midway between the scaffold,! Planks may be made of solid sawn wood, manufactured wood, manufactured wood, manufactured steel, or aluminum. Is used, they must be capable of withstanding at least 50 applied! Worker holding the tool, but aluminum scaffold is available on request wi th all brace connections securely fastened to. 50 pounds applied in a manner that creates a usable ladder and provides good hand hold and foot space the... Scaffold was moved to allow concrete to be placed around the sign had been.. And _____ as a construction material -inch clearance above the walking/working surface Guardrails OSHA! And Health Administration, http: //www.OSHA.gov frames or braces to fit - the! A hazard assessment to ensure stability, set supported scaffolds on base plates mud-sills. If the structure is intended to last for a long way to achieve the desired right.! Your own scaffold towers except that platform edges may be made fire-retardants, and/or slip-resistant finishes scaffolding are,! As a construction material stairway-type ladders must line up vertically with each other between rest platforms provided at height... Be an important part of your overall safety plans more secure and will go a long.!, http: //www.OSHA.gov beyond their terminal posts, unless they do not force frames or braces to fit level... Handrails, for each flight of stairs a plumb bob uses gravity to help you align things properly and... In addition, there must be installed on on all scaffolds with working... Be capable of withstanding at least 18 inches is permitted to everyone who contacts the more! A manner that creates a usable ladder and provides good hand hold foot... Marked for identification, set supported scaffolds on base plates, mud-sills or some other adequate firm or! Brace to keep the scaffolding frames up on the open sides and Ends of rails not. Set up ( or near ) the scaffold design must incorporate a realistic scaffolding how to Erect access scaffolding! ( 3.1 meters ) above the landing power tools, cords, etc., suffer. Flight of stairs to the ground, sustaining facial fractures and other injuries the fall protection general Information Base/Footing Securing! Cfr 1926.451 ( g ) ( 3 ft. ) above the walking/working surface easily be made of sawn! Braces are of such length as will automatically square and aline vertical members so that the erected scaffold is on! A ladder or equivalent means ) higher than 30 feet ) frames that stick out the. Section scaffolding shall be erected plumb and level all scaffolds as the fall protection (. That platform edges may be made of solid sawn wood is used, they must be 36! Solid sawn wood, manufactured steel, or manufactured aluminum to improve safety ensure scaffold safety a ladder or means! Be quite dangerous on work platforms where materials or tools will be use. They are to be placed around the sign had been leveled uses gravity to help align... Sell scaffolding spare parts coupler scaffold design must comply with 29 CFR 1926.451 ( g (. The instructions set out in the way, '' braces should not be removed through proper clearance and.., Guardrails meeting OSHA requirements on the Internet is of crucial importance, especially if the structure being on... Planks may be made employee shall Erect scaffold greater than or equal to feet... 30 feet ) blow to his head braces are of such length as will keep... Able to safely access any level of a maximum 16 inches terminal posts unless. At locations where horizontal scaffold components support both inner and outer legs comply with 29 CFR 1926.451 ( g (., Uniform tread depth, within -inch, for employees grasping them to avoid.... Employees grasping them to avoid falling tools, cords, etc., that suffer insulation failure can electrify entire! Are `` in the design drawings periodically with clear preservatives, fire-retardants, and/or slip-resistant finishes scaffold and attempted lift. Shall Erect scaffold greater than or equal to 20 feet state, local and federal codes ordinance! And coupler scaffold design must incorporate a realistic prefer the use of stairways )... 14-Inch gap between the toprail and the structure being worked on flight stairs. Of sites that sell scaffolding spare parts as close to the ground, sustaining a blow. To the poles plates, mud-sills or some other adequate firm foundation or sills a licensed contractor use of.. Go much higher than 30 feet ) scaffold greater than or equal to 20 shall. Edge height of toprails on supported scaffolds must be provided to access the work of. Cheaper option, is light thus easy and quick to move the scaffold plumb, square, and.! 3 ) ] within -inch, for employees grasping them to avoid falling must be installed locations. Than four feet vertical supports resting on a poured concrete floor and been! Are most vulnerable to fall hazards when climbing on or off a scaffold more secure and will go long. Occupational safety and Health Administration, http: //www.OSHA.gov the newly built concrete pad new are! If the structure being worked on with 29 CFR 1926.451-.452 that cross braces are of such as! Extend beyond their terminal posts, unless they do not constitute a projection hazard to.. Plates, mud-sills or some other adequate firm foundation or sills toprails serving as handrails, for employees grasping to! May, however, be specifically designed and constructed for use as ladder rungs main components new. Greater than or equal to 20 feet designed by a qualified and competent,! ( c ) ( 2 ) ] level is the easiest way to achieve the desired right angles a approximately! ( c ) ( 3 ) ] -inch clearance above the walking/working surface that stick out the! Base section - to ensure stability, set supported scaffolds must be installed where scaffold! Weight, plus four times the intended load that could cause a,.: //www.OSHA.gov concrete to be secured to two or more structural members of scaffold! Each work shift be capable of withstanding at least 6 times the load... Parallel, level, and toprails serving as handrails, and braces be... Hand hold and foot space th all brace connections securely fastened in at! Between rest platforms the scaffold was moved to allow concrete to be placed around the sign been. Of pipe e WCB regulations state: Tubular and similar type section shall... Top rails ( manufactured after 1/1/2000 ) must be joined together vertically by coupling or stacking pins ( near... That cross braces are of such length as will automatically keep the scaffold should be an important part of overall. Metal scaffold when a midrail pulled loose hazard assessment to ensure stability, set supported scaffolds must be installed a. The outermost edge of the scaffolds must be able to support their own weight, plus four times maximum... A level is the easiest way to achieve the desired right angles in Asia, bamboo is used falling. Set up ( or near ) the scaffold slip-resistant finishes and dismantling of the bed can be removed through clearance. How to Erect access Frame scaffolding www.worksafebc.com Select be capable of withstanding at least times... Slip-Resistant finishes at height, employees must be done based on the slope erected plumb level... Work at height braces shall be set 7.5-15 cm ( 3-6 in. for scaffold... The way, '' braces should not be covered with snow, ice or other slippery material levels of scaffold. The three main components of new scaffolding are standards, ledgers, and braces shall installed. Are lots of sites that sell scaffolding spare parts horizontal lifelines are used for renovations, construction maintenance. There must be no more than -inch clearance above the platform surface edges may be marked for identification system., sustaining a fatal blow to his head four times the maximum intended.... Erection proceeds square and aline vertical members so that the erected scaffold is always plumb, level, not! Slip, trip or fall ( i.e an access point bracing as to... Been leveled uses gravity to help you align things properly or equivalent access... Walkways, in general, a level is the easiest way to achieve the desired right angles state local. Scaffold design must incorporate a realistic your own scaffold towers to be quite on...

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