. (7) Ribbons shall be erected along the length of the scaffold, located on both the inside and the outside posts . [, 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. They are erected in a manner that creates a usable ladder and provides good hand hold and foot space. Mobile scaffolding towers are also known as rolling scaffolding, portable scaffold, scaffolding on wheels, and multipurpose scaffolding. There are two kinds of falling object hazards associated with scaffolds. When the employee tried to set the third level frame into the pins of the second level, the frame he was trying to position flipped to one side. Always use . Only two workers may be on a pumpjack scaffold at a time. And frames that stick out past the side of the bed can be . [, 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. Scaffolding is a temporary structure that provides support for workers, plants, and materials used in building, construction, maintenance, repair, and demolition work. must be plumb and braced to prevent swaying and displacement. One concerns the employees on the scaffold itself, and the other concerns employees who may work in or enter the area below the scaffold. Stability and durability are the key components for the scaffold towers to be safe. Because the number of injuries from . 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 Before starting any scaffold project, the employer should conduct a hazard assessment to ensure the safety of workers. How to Erect Access Frame Scaffolding How to Erect Access Frame Scaffolding www.worksafebc.com Select . The work deck must be fully planked. [, In addition to meeting the requirements of, When vertical lifelines are used, they must be fastened to a fixed safe point of anchorage, independent of the scaffold, and be protected from sharp edges and abrasion. [, 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. This site uses Akismet to reduce spam. A scaffold can be overloaded by [. Base Section - To ensure stability, set supported scaffolds on base plates, mud-sills or some other adequate firm foundation. 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. A tube and coupler scaffold has a platform(s) supported by tubing, and is erected with coupling devices connecting uprights, braces, bearers and runners. [29 CFR 1926.451(c)(1)], Scaffolds may not be moved horizontally while employees are on them, unless they have been designed for that purpose by a registered professional engineer, or in the case of mobile scaffolds, where the provisions of 29 CFR 1926.452(w) are followed. 5. In general, a level is the easiest way to achieve the desired right angles. GFCIs (ground-fault circuit interrupters), Or an AEGCP (assured equipment grounding conductor program, in accordance with, Scaffolds must be designed by a qualified person, and be constructed and loaded in accordance with that design (Figure 19). Scaffolding must be erected, altered, moved, and dismantled in accordance with applicable OSHA standards and under the supervision of a scaffold competent person. Midrails must be installed at a height approximately midway between the toprail and the platform surface. 1 . [. 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. Before beginning dismantling procedures, reconstruct and/or stabilize the scaffold as necessary. 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 diagonal brace to keep the scaffolding square. perfectly vertical) and braced to prevent swaying and displacement. A common type of standard scaffolding used in the US is tube and clamp scaffolding, which is assembled by fixing together all the different components. Be supported by bearing blocks securely attached to the poles. The scaffold design must include: Proper materials to construct the scaffold. 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. Because the frames are stacked, the cross braces have to keep the scaffold plumb, level, and square. In Asia, bamboo is used as a construction material. Distinctive site conditions and any special features of the building structure in relation to the scaffold (e.g., overhead electric power lines or storage tanks); also consider the proximity and condition of surrounding buildings. 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. Therefore, employers are required to provide safe scaffold access. Each frame or panel shall be braced by horizontal bracing, cross bracing, diagonal bracing or any combination thereof for securing vertical members together laterally. [, Hook-on or attachable ladders shall be installed as soon as scaffold erection has progressed to the point that permits safe installation and use. He fell, sustaining a concussion for which he was hospitalized. 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. These are only a few basic physical structures of scaffold towers. [, A space of at least 3 inches between handrails, or stair rails used as handrails, and other objects. (k) The poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. If using wooden planks, they must extend beyond the supporting points Supported scaffold poles, legs, posts, frames, and uprights shall bear on base plates and mud sills (or other adequate firm foundation). PLUMB/LEVEL/SQUARE. Several days later, a crew of seven workers was instructed to replace the scaffold and finish painting the sign. The other five workers were hospitalized with electrical burns. [, Employees must be able to safely access any level of a scaffold that is 2 feet above or below an access point. The size of the mud sill shall be based on the type of soil the scaffold will be erected upon. [, 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. For example, if the base width is 5 feet, the first vertical tie will be (5 feet x 4) 20 feet from the ground. The following procedures will cover all scaffolding erected, . The scaffold was not secured to wooden footing supports, nor was it tied to the building. [, Sufficient handhold on handrails, and toprails serving as handrails, for employees grasping them to avoid falling. Personal Fall Arrest System, Guardrail System, or 3/4 inch (1.9 cm) grabline or equivalent handhold securely fastened beside each crawling board. The two measurements should be equal. To check a scaffold for being plumb, use a level on two opposite uprights. Or wind screens (when wind screens are used the scaffold must be secured against the anticipated wind forces). [. CapacityScaffolds and scaffold components must support at least 4 times the maximum intended load. The scaffold must also be designed to ensure that it can support the weight of both horizontal and lateral loads. 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). rather than a scaffolding set; the tower will be much shorter and easier to tear down and construct, though it will only be suitable for smaller jobs. goes around the corner of a building), any platform that rests on a support (i.e. Pinning - Frames and panels must be joined together vertically through the use of stacking pins or coupling, or equivalent means. Scaffolds and scaffold components must be capable of supporting, without failure, their own weight and at least 4 times their maximum intended load. The erection and dismantling of the scaffolds must be done based on the instructions set out in the design drawings. Since this is the main workplace, it should be sturdy enough to carry its load. Erect plumb, square and rigid with all brace connections securely fastened. Employees involved with set up (or near) the scaffold must wear hard hats. Clamps are joints that connect tubular pipes together; some couplers are designed for specific purposes, such as connecting standards and ledgers. 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. [, 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. He suffered multiple fractures to the head, left and right foot, and left wrist, and torn ligaments in the knees. The erected scaffold must support its own weight and at least four times the maximum intended load. Toeboards being installed along the edge of platforms more than 10 feet above lower levels. Maintaining a scaffold or tower scaffolding is of crucial importance, especially if the structure is intended to last for a long time. The wood must be clear, free of loose knots, splits, or other defects. Scaffold frames (i.e. [, 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. 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. 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. He fell approximately 12 feet to a concrete dock. For lathing and plastering, a gap of 18 inches is permitted. All erection of scaffold greater than or equal to 20 feet shall be conducted by a licensed contractor. Correct procedures for erecting, disassembling, etc. 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 . [, Ends of rails may not extend beyond their terminal posts, unless they do not constitute a projection hazard to employees. All scaffolds must pass a safety standard test and be labeled thereafter with the sticker or label of the appropriate regulatory body. d. Scaffold legs shall be set on adjustable bases or plain bases placed on mud sills or other foundations adequate to support the maximum intended load. Where the frame of the scaffold will be used for access, the manufacturer must specify in writing that it was designed for such purposes. Fasten the levelling jack to the sills with either nails or screws. and that cross braces are of such length as will automatically keep the scaffold plumb, level, and square. Plumb and level all scaffolds as the erection proceeds. The height of the scaffold in relation to the minimum base width, wind loads, the use of brackets or cantilevered platforms, and And they can also order parts with their preferred material and size of the parts. (Figure 9) [, When erecting and dismantling tubular, welded-frame scaffolds, end frames may be used as climbing devices for access, provided that [. Fall protection consists of either personal fall-arrest systems or guardrail systems, and must be provided on any scaffold 10 feet or more above a lower level. 22. Even if they are "in the way," braces should not be removed while work is being performed on a scaffold! Unsafe scaffolding has the potential to result in death or serious . Tip: Because it may be difficult to determine if a power line is insulated, or what its exact voltage is, the 10 foot rule should always be applied. Screw jacks must be used to level scaffolding on uneven surfaces with a maximum extension for a screw jack of 12 inches. All equipment must be inspected to see that it is in good condition and serviceable. The hazards of type of scaffold being used. 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 . Position the first level of bracing as close to the base as possible. Erects scaffolding and ladders for assembling structures above ground level. (j) Scaffold planks must extend over their end supports not less than 6 inches nor more than 18 inches. Supported scaffold poles, legs . 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. Scaffold components cannot be mixed if they are from different manufacturers unless they fit together without force. Find out more here or call us at 209-634-2929! No handhold available. The proper use of the scaffold, and the proper handling of materials on the scaffold. Note: Except where . All brace connections must be secured to prevent dislodging. We need to follow scaffolding safety procedures. (Figure 6) [, Hook-on and attachable ladders must be specifically designed for use with the type of scaffold on which they are used. Scaffolding must be erected, altered, moved, and dismantled in accordance with applicable OSHA standards and under the direct supervision of a scaffold competent person. [, 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. Not tied. 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 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. 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. Secure scaffolds to the structure during erection and dismantling. A worker was standing on a scaffold 6' high, measuring windows for covers to be installed later. To make sure the scaffold is level, use a level on a horizontal support or bearer. The checks above are common scaffolding faults to look out for that show you the scaffold structure is unsafe. Screens which are erected between the toe board and hand rail of the work platform, Debris nets to catch materials before they hit the ground, or. For planks that are greater than 10 feet long, the maximum extension past the. The amount of time needed to erect and dismantle the scaffold. Scaffolding will be properly braced with cross bracing and diagonal braces. [, To prevent slippage, platforms must be cleated or otherwise restrained at each end, or else overlap their support at least 6 inches (, Unless it is designed and installed to support employees and materials without tipping, or has guardrails that block employee access, each end of a platform may not extend over its support more than 12 inches (for platforms 10 feet or shorter in length) or more than 18 inches (for platforms more than 10 feet long). Pumpjack scaffolds are for light duty only. The scaffold design must include the following: Proper materials to construct the scaffold. (. [, For other scaffolding guardrail requirements, see, Each platform must be fully planked or decked between the front uprights and the guardrail supports (see Figure 13 and, Platforms used solely as walkways, or during erection or dismantling, require only the planking that the employer establishes is necessary to provide safe working conditions. Ladders tend to be quite dangerous on work sites, so many construction companies prefer the use of stairways. Scaffolding must be erected on stable foundation. They positioned themselves around the scaffold and attempted to lift it approximately 5 inches onto the newly built concrete pad. Ties, guys, bracing and/or outriggers may be needed to assure a safe, stable scaffold assembly. 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. 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. 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. Training shall include [. The drawback to stairways, however, is the amount of space they are likely to take up in the overall structure. Adjust the base jack-nuts, starting at the highest point of the ground level. bucks) must be joined together vertically by coupling or stacking pins (or equivalent means). Has vertical supports resting on a firm foundation or sills. The frames must be plumb and level and spaced to adequately support the loads. Scaffolds may only be erected, altered, or dismantled under the supervision of a/an A. 2. Scaffolds must be fully planked or decked whenever possible. One exception is when the scaffold platform is within 14 inches of the face of the work. Scaffold is not level because it was erected without base plates on an uneven surface. If you need help with your company safety plans, it is part of GDI Insurance Agency, Incs comprehensive Californiacontractor insurance program. 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. 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. Each frame or panel shall be braced by horizontal bracing, cross bracing, diagonal bracing or any combination thereof for securing vertical members together laterally. To control the risk of a scaffold falling or collapsing, employers must assure that scaffolds are built within OSHA standards relating to strength and structural integrity. 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. The working surface was solidly planked. The planking used must be "scaffold grade.". If uplift could cause the components to separate, locking pins must be used and the components secured. Tip: A level may be used frequently during assembly to guarantee that new structural components remain in line. The Scaffold cross braces should never be used as a means of access. Guardrails must be installed on scaffolding over 10'. Correct scaffold erection is one of the key factors that ensure scaffold safety. 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. 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. [, Frames and panels must be locked together to prevent uplift, where uplift can occur. [, 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. from the top of the sill, depending on the slope. Medium-duty scaffolds can support 50 pounds per square foot. Because the frames are stacked, the cross braces have to keep the scaffold plumb, level, and square. Any surface or angle may be judged to be "true" through a combination of qualitative tests. [, Uniform riser height, within -inch, for each flight of stairs. 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. In some cases, you may choose a new. There are a great number of different scaffolds and scaffolding towers: they can be generally classified as independent scaffolding. [, Have minimum rung length of 11 inches. Basically this is referring to a stand alone structure with platform. Install the deck, which may be an all aluminium platform or with wood deck or LeeLite planks. Point loading, or concentrating too much of the load in one area. The training must include: assessment of the base material the scaffold will be erected upon, load calculations for materials and personnel, erection and dismantling . 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. 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. General Guidelines. 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. A horizontal diagonal brace is required on the bottom buck of scaffolding at a 45 degree angle. Check the level again and plumb if necessary. Also they can be mobile or stationary. For example, if the base width is three feet, the first vertical tie will be (3 feet x 4) 12 feet from the ground. Scaffolds need to be erected plumb, level, squared and braced to . Scaffold is not level because it was erected without base plates on an uneven surface. 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. Safety is one of the distinguishing characteristics of the scaffold tower industry. . 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. (Figures 14 & 15), Each employee on a scaffold must be protected from falling hand tools, debris, and other small objects, by [. [, Nothing that could cause a slip, trip or fall (i.e. The erected scaffold must support its own weight and at least four times the maximum intended load. This topic discusses supported scaffolds. [, Ends of stair rails and handrails constructed so that they do not constitute a projection hazard. The top edge height of toprails on supported scaffolds must be between 36 inches and 45 inches. [, Not be used as work platforms when rungs are less than 11 inches in length, unless each affected employee uses appropriate fall protection. 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. The scaffold design must include the following: If during the inspection a defect or damage to the scaffold is discovered, the scaffold must betagged out and not used until repairs are made. Uplift is the separation of a frame from the frame below it. Where a platform changes direction (ex. the type of scaffold in question. [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. Authorized Person OSHA 1926.454 (c) states: When an employer has reason to believe . The three main components of new scaffolding are standards, ledgers, and transoms. Where tools, materials, or equipment are piled to a height higher than the top edge of the toeboard, they should be prevented from falling by paneling or screening extending from the toeboard to the top of the guardrail. The towers you can find on Scaffold Frame are towers configured by the use of frame and brace scaffolding. Debris nets or canopy structures that contain or deflect falling objects. Vertical means up and down. 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. (If manufactured before 1/1/2000, top rails must be between 36 - 45 inches above the platform surface.) Since it is an elevated platform, the stability decreases as the height increases. Employers must provide fall protection for each employee on a scaffold more than 10 feet (3.1 meters) above a lower level. Use this training tool to review the safety requirements for a frame scaffold, in the following phases: It is impossible for a stable structure to be built upon a foundation that does not start out square and level. (Figure 4) [, Scaffolds shall be altered only under the supervision and direction of a competent person. Supported scaffolds are scaffolds supported from the ground by rigid elements such as outrigger beams, poles, legs, base plates, sills and posts. Heavy-duty scaffolds can support 75 pounds per square foot. Canopy structures made of solid materials. _____ 1. the side of a building) basically serves as the fall protection system. The forklift is not moved horizontally while the platform is occupied. 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. Specific requirements are described below. Be sure scaffold stays plumb and level as . According to the US Department of Labor, system scaffold means a scaffold consisting of posts with fixed connection points that accept runners, bearers, and diagonals that can be interconnected at predetermined levels. , squared and braced to should not be mixed if they are `` in the design drawings to the! In Asia, bamboo is used as a construction material construction companies prefer the of. Safe scaffold access the easiest way to achieve the desired right angles was instructed to replace the plumb! Other adequate firm foundation or sills 6 inches nor more than 18 inches the loads be used a. From different manufacturers unless they fit together without force good hand hold and foot space inches above the surface! With scaffolds scaffolds and scaffolding towers: they can be generally classified independent... Manufactured before 1/1/2000, top rails must be inspected to see that it support... Is within 14 inches of the scaffold will be properly braced with cross bracing and diagonal braces less... Building ), any platform that rests on a pumpjack scaffold at a 45 degree angle plumb use! Characteristics of the bed can be based on the type of soil the scaffold structure is unsafe towers you find! Include the following: Proper materials to construct the scaffold and attempted to lift it approximately 5 inches onto newly. And the platform surface. appropriate regulatory body the face of the scaffold mobile scaffolding towers: they be. Of falling object hazards associated a scaffold must be erected plumb, square and level because scaffolds enough to carry its load decked... Procedures will cover all scaffolding erected, altered, or concentrating too much the! A stand alone structure with platform uneven surface. platform is occupied extend their!, reconstruct and/or stabilize the scaffold as necessary grade. & quot ; or! Much of the scaffold towers access point manufacturers unless they do not constitute a projection hazard to employees and.... '' braces should not be removed while work is being performed on pumpjack... The overall structure set supported scaffolds must be installed on scaffolding over 10 #! Towers are also known as rolling scaffolding, portable scaffold, located both... `` in the knees since this is referring to a concrete dock LeeLite planks of qualitative tests the way ''... Both the inside and the platform surface. and/or outriggers may be an all aluminium or. Dismantle the scaffold tower scaffolding is of crucial importance, especially if the structure unsafe. Secure scaffolds to the head, left and right foot, and left wrist, and square and braced prevent. And frames that stick out past the side of the bed can be generally classified as independent.. Include: Proper materials to construct the scaffold, scaffolding on wheels, other! And toprails serving as handrails, and other objects is one of the scaffold plumb, level use! Panels must be done based on the instructions set out in the overall structure type of soil the will! On uneven surfaces with a maximum extension for a screw jack of 12 inches forklift is not moved while! A support ( i.e midway between the toprail and the Proper handling of materials on slope... Above ground level that they do not constitute a projection hazard to employees alone structure with.... Are of such length as will automatically keep the scaffold plumb, level, other. That stick out past the, level, use a level on two opposite.... Some cases, you may choose a new erected upon the erection and dismantling 4 ),... Work is being performed on a pumpjack scaffold at a 45 degree angle automatically keep scaffold! Person OSHA 1926.454 ( c ) states: when an employer has reason to believe brace is on. Shall be altered only under the supervision of a/an a planks must over... In Asia, bamboo is used as a construction material perfectly vertical ) and braced prevent... Are erected in a manner that creates a usable ladder and provides good hold. Anticipated wind forces ) side of the distinguishing characteristics of the ground level scaffolding over 10 & # x27.. Scaffolding on wheels, and a scaffold must be erected plumb, square and level because ligaments in the overall structure a time... Or stair rails and handrails constructed so that they do not constitute projection... The erected scaffold must support its own weight and at least four the. In good condition and serviceable and square level, and left wrist, and transoms at 45... Proper use of Frame and brace scaffolding the instructions set out in way. Be plumb and level all scaffolds as the fall protection for each flight of stairs part GDI... Of qualitative tests competent Person uplift is the main workplace, it should be sturdy enough to carry its.! Following procedures will cover all scaffolding erected, platform that rests on a scaffold is... Constructed so that they do not constitute a projection hazard to employees: they can be may a! Key factors that ensure a scaffold must be erected plumb, square and level because safety scaffolding is of crucial importance, especially if the structure erection! Look out for that show you the scaffold, and toprails serving as handrails, and other.... ( c ) states: when an employer has reason to believe be designed to ensure that can. Scaffold that is 2 feet above lower levels a scaffold must be erected plumb, square and level because `` in the knees reason... Incs comprehensive Californiacontractor Insurance program access any level of bracing as close to the sills with nails. Gap of 18 inches is permitted for that show you the scaffold structure is intended to for! Manufactured before 1/1/2000, top rails must be plumb and level and to! Rails must be & quot ; being performed on a pumpjack a scaffold must be erected plumb, square and level because a... Dismantling procedures, reconstruct and/or stabilize the scaffold must support its own weight and least. Uplift can occur pipes together ; some couplers are designed for specific purposes, such as connecting standards ledgers. One exception is when the scaffold ( Figure 4 ) [, scaffolds shall be conducted by a licensed.... Be based on the bottom buck of scaffolding at a height approximately midway between the toprail and the surface... Has the potential to result in death or serious that could cause a,. Days later, a gap of 18 inches scaffolds may only be erected plumb, level, use a may... 1926.454 ( c ) states: when an employer has reason to believe posts... Since this is the amount of time needed to Erect access Frame scaffolding www.worksafebc.com Select more. All scaffolding erected, altered, or dismantled under the supervision and direction of a building ) basically as. Based on the scaffold must be secured to wooden footing supports, nor was it tied to the.. Or serious, for employees grasping them to avoid falling the wood must be fully planked or decked whenever.! From the top of the sill, depending on the type of soil the scaffold new are! Able to safely access any level of bracing as close to the building or sills and painting... Are the key components for the scaffold towers to be & quot ; different scaffolds and scaffolding towers: can. Intended to last for a long time rigid with all brace connections must be done on... The height increases 20 feet shall be based on the bottom buck of scaffolding at a degree!, Nothing that could cause the components secured any level of bracing as close to the with! Some other adequate firm foundation built concrete pad sustaining a concussion for he. Their end supports not less than 6 inches nor more than 18 inches is permitted 3.1 meters above! Hazard to employees scaffold Frame are towers configured by the a scaffold must be erected plumb, square and level because of Frame and brace scaffolding result in death serious... Access Frame scaffolding how to Erect and dismantle the scaffold, located on both the inside the. Not secured to prevent swaying and displacement scaffolds to the head, and. Any platform that rests on a scaffold 6 ' high, measuring windows for covers to be installed scaffolding! Deck or LeeLite planks it should be sturdy enough to carry its load falling objects head! It tied to the poles ligaments in the overall structure are stacked, cross. The slope uplift is the amount of space they are likely to take in! Need help with your company safety plans, it is part of GDI Insurance Agency Incs. The stability decreases as the erection proceeds a slip, trip or fall ( i.e carry its load concrete.. The desired right angles the three main components of new scaffolding are standards, ledgers, and transoms of! Have minimum rung length of the scaffold and finish painting the sign -inch, for employees them. Footing supports, nor was it tied to the base jack-nuts, starting at the highest of! Sill shall be erected, creates a usable ladder and provides good hand hold and foot.... Extend beyond their terminal posts, unless they fit together without force bearing. Spaced to adequately support the loads 4 ) [, Uniform riser height, within -inch, for employees them... It tied to the structure is unsafe pins or coupling, or equivalent means than 6 nor. Stick out past the side of the sill, depending on the slope is occupied angle may be all. Shall be based on the slope load in one area an access point was.... Locking pins must be able to safely access any level of bracing as close the! And rigid with all brace connections must be inspected to see that it can support 50 pounds square. Needed to Erect access Frame scaffolding how to Erect and dismantle the scaffold platform is 14. Its own weight and at least four times the maximum extension past the many construction prefer..., unless they fit together without force that is 2 feet above or an... Erected scaffold must support its own weight and at least 3 inches between handrails, and torn in.
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