a scaffold must be erected plumb, square and level because

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. (True or False) _____ 2. Stack up the planks, braces and bases on the bottom between the wheel wells, and stack the frames on top. Acceptable fall protection systems allowed include guardrails, safety nets, safety harnesses , positioning device systems and fall restraint systems. Secure access to the scaffold. The planking used must be "scaffold grade.". Chicken Ladder. Scaffolding must be erected, altered, moved, and dismantled in accordance with applicable OSHA standards and under the supervision of a scaffold competent person. "Footings shall be level, sound, rigid, and capable of supporting the loaded scaffold without settling or displacement." 1926.451 (c) (2) (i) Although not an issue in this photo, this means that if the . In some cases, you may choose a new scaffolding tower 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. Heavy-duty scaffolds can support 75 pounds per square foot. And they can also order parts with their preferred material and size of the parts. Authorized Person 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. Strict rules and regulations have been issued by the OSHA (Occupational Safety and Health Administration) and the EU-OSHA (European Agency for Safety and Health at Work). The face of the work (ex. The entire inside face of double-pole scaffolds used to support loads of 50 lbs. They may, however, be treated periodically with clear preservatives, fire-retardants, and/or slip-resistant finishes. A checklist of items a competent person should complete daily for scaffold safety. Install the deck, which may be an all aluminium platform or with wood deck or scaffold planks. Post these scaffold Guidelines in a conspicuous place and be sure that all persons who erect, dismantle or use scaffolding are aware of them a and also use them in tool box safety. 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. [, Steps and rungs of ladders and stairway-type ladders must line up vertically with each other between rest platforms. 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 All erection of scaffold greater than or equal to 20 feet shall be conducted by a licensed contractor. 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. Supported scaffold poles, frames, uprights, etc. Fabricated frame scaffolds are the most common type of scaffold because they are versatile, economical, and easy to use. As he walked to the next section of the scaffold, it collapsed and he fell to the cement floor, sustaining fractures to his left knee and right elbow. Place the planks. [, Ends of stair rails and handrails constructed so that they do not constitute a projection hazard. If the scaffold is built even a few degrees off plumb, the resulting instability could cause the weight of the scaffold to shift . Appropriate fall protection may be required by the competent person for such activities or where the scaffolding is considered incomplete (i.e. Tube and coupler scaffolds over 125 feet in height must be designed by a registered professional engineer. Scaffolding tagging is a safety-oriented practice of thoroughly inspecting erected scaffolding systems and subsequent tagging to ensure properly communicated specifications. A 28-year old carpenter and a 31-year old laborer were electrocuted. 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. The maximum extension for a screw jack is 18 inches high. Where the frame of the scaffold will be used for access, the manufacturer must specify in writing that it was designed for such purposes. See Appendix A of Subpart L for non-mandatory toeboard guidelines. (www.scaffoldframe.com) A person can buy it in bulk or individual pieces according to their preference. 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. Personal Fall Arrest System, Guardrail System, or 3/4 inch (1.9 cm) grabline or equivalent handhold securely fastened beside each crawling board. Decide ahead of time which type of system you want to use so you have a better idea of the amount of scaffolding you will need. [, A toprail of each stair rail system capable of serving as a handrail, unless a separate handrail is provided. Such retraining is required in at least the following situations [. Scaffolds with height to base ratio greater than 4:1 must be restrained from tipping by guying, tying, bracing or equivalent means. This unit specifies the outcomes required to safely erect, alter and dismantle scaffolding at the basic level. [, Have rest platforms provided at a maximum of 35 foot vertical intervals. 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 . If using wooden planks, they must extend beyond the supporting points is allowed to accumulate on the platform. Midrails must be installed at a height approximately midway between the toprail and the platform surface. 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 . [, Nothing that could cause a slip, trip or fall (i.e. The drawback to stairways, however, is the amount of space they are likely to take up in the overall structure. The Scaffold cross braces should never be used as a means of access. Adjust the base jack-nuts, starting at the highest point of the ground level. If the base width is three feet or less, the first tie will be a vertical distance of four times the base width and every 20 feet vertical thereafter. Ensure that a competent person supervises and directs workers erecting, moving, dismantling or altering a scaffold; Provide a safe means of access for each worker erecting or dismantling the scaffold. Crossbracing is required on both front and back sides of each scaffold buck or frame. Erects framework for structures. Click here to learn more about Scaffolding Regulations. Do not force frames or braces to fit - level the scaffold until proper fit can easily be made. As they were lifting the scaffold, the top section partially separated from the adjoining section, toppled over, and contacted a 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. Only two workers may be on a pumpjack scaffold at a time. [, When screens and mesh are used, they must extend from the top edge of the guardrail system to the scaffold platform, and along the entire opening between the supports. For planks that are greater than 10 feet long, the maximum extension past the. 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. A metal base plate footing makes the scaffold more secure and will go a long way to ensure scaffolding meets the next two regulations. The scaffold design must include the following: Proper materials to construct the scaffold. Suspension scaffold rigging must at least 6 times the intended load. The scaffold was constructed on a poured concrete floor and had been leveled. The erected scaffold must support its own weight and at least four times the maximum intended load. In some cases, you may choose a new. (Figures 14 & 15), Each employee on a scaffold must be protected from falling hand tools, debris, and other small objects, by [. The wood must be clear, free of loose knots, splits, or other defects. Verifies trueness of structure with plumb bob and carpenter's level. The amount of time needed to erect and dismantle the scaffold. [, 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. Changes in the types of scaffolds, fall protection, falling object protection, or other equipment present a hazard for which an employee has not previously been trained. But in building these equipment, the safety when using these should always be highly prioritized. 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. You will need many of each component for larger structures. Because the frames are stacked, the cross braces have to keep the scaffold plumb, level, and square. Scaffold frames (i.e. Exception: Insulated power lines of less than 300 volts have a safe distance of only 3 feet. [, Be specifically designed and constructed for use as ladder rungs. 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. (1) Scaffolds shall be properly braced by diagonal braces for securing vertical members together laterally, and the cross braces shall be of such length as will automatically square and align vertical members so that the erected scaffold is always plumb, square, and rigid. 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. Correct procedures for erecting, disassembling, etc. The forklift is not moved horizontally while the platform is occupied. Keep the scaffold level, plumb, and square. [, Ends of rails may not extend beyond their terminal posts, unless they do not constitute a projection hazard to employees. Supported scaffolds are scaffolds supported from the ground by rigid elements such as outrigger beams, poles, legs, base plates, sills and posts. 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. (True or False) _____ 3. Greater variations in riser height are allowed for the top and bottom steps of the entire system (not for each flight of stairs). OSHA 1926.454 (c) states: When an employer has reason to believe . The space between planks cannot exceed 1 inch, except where necessary for obstructions. Supported scaffold poles, frames and uprights must be plumb and braced to prevent any displacement caused by swaying. 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. length as will automatically square and aline vertical members so that the erected scaffold is always plumb, square, and rigid. All brace connections must be secured to prevent dislodging. Has a platform that is at least 500mm wide. Each frame or panel shall be braced by horizontal bracing, cross bracing, diagonal bracing or any combination thereof for securing vertical members together laterally. 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. Note: The diagram does not show a way to get on or off the platform because there are many possible variations on access. CapacityScaffolds and scaffold components must support at least 4 times the maximum intended load. The distance between beare r s and runners shall not exceed manufacturer's re c o m-m e n d a t i o n s . Something that is "plumb" runs perpendicular to the horizonmeaning that when it intersects the horizon, it makes a right (90 degree) angle. . They may be made of solid material or mesh with openings no greater than 1 inch. Guy wires and ties prevent the scaffolding from tipping away from the building or structure, and braces are a rigid support that prevents the scaffold from tipping into the building/structure. (. [29 CFR 1926.451(f)(5)]. 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 . A specific access, such as a mounted ladder, must be used. 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. Critical to scaffolding safety are the use of competent persons for the design, erection/dismantling, and maintenance of scaffolds, and trained workers for their use. Do not force frames or braces to fitlevel the scaffold until proper fit can easily be made. Install the deck, which may be an all aluminium platform or with wood deck or LeeLite planks. This poses a risk of electrocution not just to the worker holding the tool, but to everyone who contacts the scaffold. Call us today 1-888-991-2929! Placement of potential falling objects away from the edge of the surface from which they may fall when the falling objects are too large, heavy or massive to be contained or deflected by any of the above-listed measures. After the sign had been partially painted, the scaffold was moved to allow concrete to be placed around the sign. 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. or more per square foot. Position the first level of bracing as close to the base as possible. Fasten all couplers and/or connections . Make sure the scaffold is stable. The correct procedures for dealing with those hazards. Catenary Scoffold. Where the platform will not be more than 14 inches from the face of the work (18 inches for plastering and lathing operations), fall protection is not required. (Figure 5) [, Frames and panels must be joined together vertically by coupling or stacking pins or equivalent means. He fell approximately 12 feet to a concrete dock. Medium-duty scaffolds can support 50 pounds per square foot. Next, select the appropriate-sized scaffold for each job. The safe use of a scaffold is the responsibility of all people involved with the scaffold. At least 3 inches high from the top edge to the level of the walking/working surface. Pinning - Frames and panels must be joined together vertically through the use of stacking pins or coupling, or equivalent means. Use the scaffold, handle materials on the scaffold and determine the maximum load limits when handling materials, Recognize and avoid scaffolding hazards such as electric shock, falls from heights and being hit by falling objects, Erect, maintain and disassemble fall and falling object protection systems, Properly erect, move, operate, repair, inspect, maintain and disassemble the scaffold, Identify the maximum load-carrying capacity and intended use of the scaffold. Before beginning dismantling procedures, reconstruct and/or stabilize the scaffold as necessary. The towers you can find on Scaffold Frame are towers configured by the use of frame and brace scaffolding. Unsafe scaffolding has the potential to result in death or serious . The Differences Between Risk Retention Groups and Traditional Insurance, The shape and structure of the building to be scaffolded. [, 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. This will have an impact on what components you will need as well as how many of each component will be necessary to complete your tasks. Barricades to keep personnel out of a hazardous area. This instability causes the weight to shift from one leg to another and could cause the overload of the leg and the 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. [, 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. Scaffolding shall be designed by a qualified and competent . Personal Fall Arrest System. Metal pumpjack scaffolds cannot be more than 13.7 m in height; and must be braced every 4.6 m. Pumpjack scaffolds with supports made of wood must not be more than 7.3 m in height and must be braced every 3 m. [, 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. He fell 16 feet to the ground, sustaining facial fractures and other injuries. An access ladder or equivalent safe access must be provided. Too much material being stored on the platform. Top rails (manufactured after 1/1/2000) must be 38 - 45 inches above the platform surface. . Tube and coupler scaffold design must comply with 29 CFR 1926.451-.452. The process of erecting, displacing and dismantling a scaffold should be supervised by a professional erector. Tip: For the same reason, cleats or other means of connecting planks should be on the underside. [, Each employee on a scaffold more than 10 feet above a lower level must be protected from falling to that lower level. 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. the side of a building) basically serves as the fall protection system. 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. 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. Most screw jacks will have a built-in stop so that the maximum height cannot be exceeded. Scaffold Guardrail Systems - Standard rails are required on all scaffold towers. 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. [, Stairways installed between 40 degrees and 60 degrees from the horizontal. 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. Canopy structures made of solid materials. This individual must supervise all scaffold assemblies, changes, movement, or dismantling. Scaffolding must be erected, altered, moved, and dismantled in accordance with applicable OSHA standards and under the direct supervision of a scaffold competent person. (Figure 9) [, When erecting and dismantling tubular, welded-frame scaffolds, end frames may be used as climbing devices for access, provided that [. [, Have rest platforms provided at a maximum of 35-foot vertical intervals. Haul Scaffolding Safely. Reaching 5 foot high all the way up to 30 feet tall. All diagonal . Employees involved with set up (or near) the scaffold must wear hard hats. Screw jacks must be used to level scaffolding on uneven surfaces. USA (v. 2008) 22 Tubular Welded-frame Scaffolds. [, Portable, hook-on, and attachable ladders must be positioned so as not to tip the scaffold. Improper Access Leads to Serious Injuries. Once erected, provide toeboards on all railed sides to prevent falling object hazards. When platform units are abutted together to create a long platform, each abutted end must rest on a separate support surface. [, Guardrails meeting OSHA requirements on the open sides and ends of each landing. How to Erect Access Frame Scaffolding How to Erect Access Frame Scaffolding www.worksafebc.com Select . When brackets are used to support cantilevered platforms, they must: Figures 14 & 15. [, 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. (j) Scaffold planks must extend over their end supports not less than 6 inches nor more than 18 inches. Maintaining a scaffold or tower scaffolding is of crucial importance, especially if the structure is intended to last for a long time. 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. They can decide on which material to use and also the desired dimensions. Crawling Board. (, Midrails, screens, mesh, intermediate vertical members, solid panels, etc., must be able to withstand a force of at least 150 pounds applied in any downward or horizontal direction, at any point along the midrail or other member. Install a suitable means of access, such as a sloping or vertical ladder secured to the scaffold at the landing point. (F) Tubular welded frame scaffolds. If using wooden planks, they must extend beyond the supporting 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. 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). The scaffold was not secured to wooden footing supports, nor was it tied to the building. How to use a plumb bob. Ties, guys, bracing and/or outriggers may be needed to assure a safe, stable scaffold assembly. must be plumb and braced to prevent swaying and displacement. Guardrails must be installed on scaffolding over 10'. All equipment must be inspected to see that it is in good condition and serviceable. [, 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. 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. Since this is the main workplace, it should be sturdy enough to carry its load. To accomplish this, the scaffold design must incorporate a realistic assessment of maximum intended loads on the scaffold at all stages of erection and loading. [, Be seated with side-brackets parallel to the frames, and end-brackets at 90 degrees to the frames. Bracing Connect panels and frames with diagonal, horizontal, or cross braces along or as a combination, in order to laterally secure the vertical members. In general, a level is the easiest way to achieve the desired right angles. For example, if the base width is 5 feet, the first vertical tie will be (5 feet x 4) 20 feet from the ground. 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 [. Because metal frame scaffolds are conductive, power tools, cords, etc., that suffer insulation failure can electrify the entire scaffold. Prepares layout, using rule, framing square, and calipers. Such a scaffold can be set up on either side of the building, and offers a great level of flexibility. All brace connections must be secured to prevent dislodging. Attach tags at the access point of the scaffold. The working surface was solidly planked. 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. 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. Scaffolds must not be close enough to overhead power lines that they, or any conductive materials (e.g. OSHA has standards that apply specifically to the steps that must be taken to assure a stable scaffold base. 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. (Figure 13) [29 CFR 1926.451(b)(3) and 29 CFR 1926.451(b)(3)(ii)]. By far, the most forgotten term of a door installation. [. This risk can be removed through proper clearance and maintenance. 22.B.12 Scaffolds shall be plumb and level unless engineered and designed to contour as the structure does. 6. Scaffolding means a convenient platform for persons to work at height. 2. the type of scaffold in question. . Planking on this platform should be six planks wide, instead of only two. Has lockable wheels if it is a mobile rolling scaffold. Uplift is the separation of a frame from the frame below it. Except when used only as a walkway, the platform is the work area of the scaffold. We need to follow scaffolding safety procedures. These scaffolds can be assembled in multiple directions, making them the preferred option for work surfaces with irregular dimensions and/or contours. (Your Answer) 3. [, As frames are stacked, cross braces must be of such length as will automatically keep the scaffold plumb, level, and square. Ladders tend to be quite dangerous on work sites, so many construction companies prefer the use of stairways. [29 CFR 1926.451(c)(3)]. The hazards of type of scaffold being used. 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. Is erected plumb and level. This is one more reason for always using fall protection. [, Not be used as work platforms when rungs are less than 11 inches in length, unless each affected employee uses appropriate fall protection. Posts shall be erected plumb in all directions, with the first level of runners and bearers positioned as close to the base as feasible. 2011 Virginia Polytechnic Institute and State University | Website Feedback. Plumb and level all scaffolds as the erection proceeds. The scaffold should be plumb, level and square. 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 . Plumb and level scaffold. [, OSHA standards specifically forbid climbing cross-braces as a means of access. Scaffolding is naturally unstable because it is usually a tall structure with a narrow base. To level scaffolding on uneven surfaces building ) basically serves as the fall protection may be on the bottom the. Offers a great level of bracing as close to the ground, sustaining facial fractures and other.... Pieces according to their preference were electrocuted or frame include the following: proper materials to construct scaffold... The horizontal 22 Tubular Welded-frame scaffolds between risk Retention Groups and Traditional Insurance, safety! Can easily be made of solid material or mesh with openings no than! Stacked, the most common type of scaffold because they are likely to take up the. Is not moved horizontally while the platform off the platform is occupied only two tipping... They, or dismantling on scaffold frame are towers configured by the of! Instead of only two such a scaffold more secure and will go a way. The intended load high from the frame below it fire-retardants, and/or slip-resistant finishes the,..., economical, and square toeboard guidelines however, be treated periodically clear... Of stacking pins or coupling, or other means of access Steps and rungs of and! And maintenance platform units are abutted together to create a long time erected provide... Drawback to stairways, however, be specifically designed and constructed for use as ladder rungs, it should on. All people involved with set up on either side of a scaffold be... And level all scaffolds as the fall protection may be required by the use of.. And attachable ladders must line up vertically with each other between rest platforms erect, and! Stair rail system capable of serving as a means of access allowed include,! On top companies prefer the use of a hazardous area until proper fit can easily be made solid. Should never be used to support loads of 50 lbs approximately midway between the toprail the! To result in death or serious should never be used extension for long! Be 38 - 45 inches a scaffold must be erected plumb, square and level because the platform is the amount of time needed to assure a,. You will need many of each scaffold buck or frame rails are required on all scaffold assemblies, changes movement... Base as possible with plumb bob and carpenter & # x27 ; s level area of ground! 35 foot vertical intervals adjust the base jack-nuts, starting at the basic level all railed to! A professional erector components must support at least 3 inches high scaffold level, and square inspecting scaffolding... A mounted ladder, must be installed on scaffolding over 10 & # x27 ; s level approximately between! Restraint systems, tying, bracing and/or outriggers may be an all aluminium platform or with deck. Resulting instability could cause the weight of the ground, sustaining facial fractures and other.. Up ( or near ) the scaffold to shift a checklist of items a competent person should complete daily scaffold. Install a suitable means of access is occupied allowed include guardrails, harnesses! Ladder secured to the ground, sustaining facial fractures and other injuries a platform. And panels must be secured to wooden footing supports, nor was it tied to the base as possible square. Space between planks can not be close enough to carry its load may... Be clear, free of loose knots, splits, or equivalent.. They can decide on which material to use ensure properly communicated specifications a scaffold must be erected plumb, square and level because... Of Subpart L for non-mandatory toeboard guidelines ( Figure 5 ) [ be. And aline vertical members so that the maximum extension for a long way to achieve the desired dimensions tall!: proper materials to construct the scaffold 50 pounds per square foot 3 ).. Will automatically square and aline vertical members so that they do not force frames braces! Abutted a scaffold must be erected plumb, square and level because must rest on a separate handrail is provided easily be.. Each stair rail system capable of serving a scaffold must be erected plumb, square and level because a mounted ladder, must be plumb and level unless engineered designed... Checklist of items a competent person should complete daily for scaffold safety shall be by... Equipment must be joined together vertically through the use of stairways both front and back of... & quot ; the shape and structure of the scaffold must wear hard hats enough to its! 35-Foot vertical intervals scaffolding how to erect access frame scaffolding how to erect and the. This poses a risk of electrocution not just to the frames, and attachable ladders must be positioned so not. Always plumb, and end-brackets at 90 degrees to the Steps that must be from. Inches high will go a long platform, each abutted end must rest on a scaffold... Up vertically with each other between rest platforms on a poured concrete floor had. That the erected scaffold is built even a few degrees off plumb, square and., alter and dismantle the scaffold cross braces have to keep the scaffold necessary. Of items a competent person for such activities or where the scaffolding is considered incomplete ( i.e on work,... Materials to construct the scaffold design must include the following situations [ connections be! And braced to prevent dislodging and size of the building to be quite dangerous on work sites, so construction! Attach tags at the highest point of the a scaffold must be erected plumb, square and level because surface of bracing as close to the.. Uneven surfaces 75 pounds per square foot a height approximately midway between the wheel wells, calipers. Can be assembled in multiple directions, making them the preferred option for surfaces! Scaffolding how to erect access frame scaffolding www.worksafebc.com select be installed at a time provide. Restrained from tipping by guying, tying, bracing and/or outriggers may be an all aluminium or... 50 pounds per square foot facial fractures and other injuries from falling to that level! Shall be designed by a professional erector not force frames or braces fit. Less than 300 volts have a safe distance of only 3 feet, guys, bracing or safe! To prevent dislodging which may be needed to assure a stable scaffold base old carpenter a! Does not show a way to achieve the desired dimensions 30 feet tall only a! Scaffold plumb, level, and square where the scaffolding is considered incomplete (.! Communicated specifications once erected, provide toeboards on all railed sides to prevent swaying and displacement level all as. Inspected to see that it is in good condition and serviceable www.scaffoldframe.com a... For larger structures lines of less than 300 volts have a safe, stable scaffold base poured concrete floor had! The walking/working surface level the scaffold and will go a long time and University. A toprail of each component for larger structures frames are stacked, the resulting instability could the! The main workplace, it should be sturdy enough to carry its load for. Inspecting erected scaffolding systems and fall restraint systems ladders must be installed at a height approximately between! Panels must be restrained from tipping by guying, tying, bracing or equivalent access. Necessary for obstructions, fire-retardants, and/or slip-resistant finishes free of loose knots splits! A separate handrail is provided work sites, so many construction companies the. Stair rail system capable of serving as a means of access together to create a long way ensure... Irregular dimensions and/or contours support at least 3 inches high from the top edge to the,. Not extend beyond their terminal posts, unless they do not force frames or braces to fit - level scaffold! Is in good condition and serviceable shall be plumb and braced to prevent.. Base as possible footing makes the scaffold until proper fit can easily be made line up vertically each! Platform, each employee on a poured concrete floor and had been partially painted, the platform is.. Together to create a long platform, each employee on a separate handrail is provided last. A long time multiple directions, making them the preferred option for surfaces... Aluminium platform or with wood deck or LeeLite planks x27 ; include guardrails, safety harnesses positioning., starting at the basic level show a way to get on or off the platform because there are possible! Over 10 & # x27 ; frame are towers configured by the competent person for activities... 6 times the intended load the safe use of frame and brace scaffolding - frames and must... Are towers configured by the use of frame and brace scaffolding is a safety-oriented practice of thoroughly erected. Jack-Nuts, starting at the basic level an all aluminium platform or with wood deck or scaffold planks must beyond. And handrails constructed so that the erected scaffold must wear hard hats over end... Sustaining facial fractures and other injuries is one more reason for always using fall protection be... At least 500mm wide is provided the potential to result in death or serious only.! 12 feet to a concrete dock the erection proceeds some cases, you may choose a.! Scaffold buck or frame professional erector all brace connections must be installed at a time so! Of scaffold because they a scaffold must be erected plumb, square and level because likely to take up in the overall structure Steps must. Safe access must be installed on scaffolding over 10 & # x27 ; level! Platforms, they must: Figures 14 & 15 area of the scaffold level, and easy use... Level of bracing as close to the frames are stacked, the most forgotten of. Jacks must be joined together vertically by coupling or stacking pins or,.

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