All brace connections shall be made secure. Unsafe scaffolding has the potential to result in death or serious . 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. Ladders tend to be quite dangerous on work sites, so many construction companies prefer the use of stairways. 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. Tube and coupler scaffold design must comply with 29 CFR 1926.451-.452. A specific access, such as a mounted ladder, must be used. At Virginia Tech, a fall protection system (i.e. Supported scaffold poles, frames, uprights, etc. The hazards of type of scaffold being used. (, 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. That's one of the reasons why we need to keep it inspected - for safety sake! OSHA regulations are laws and must be followed by the construction industry. [, Be seated with side-brackets parallel to the frames, and end-brackets at 90 degrees to the frames. There were no guardrails at the working level. Runners must: Extend over two poles at minimum. Reaching 5 foot high all the way up to 30 feet tall. Supported scaffolds are scaffolds supported from the ground by rigid elements such as outrigger beams, poles, legs, base plates, sills and posts. The picture above describes TRUE. Ladder Jack Scaffold. This training must be provided by a qualified person who understands the hazards associated with the type of scaffold being used and who knows the procedures to control or minimize those hazards. Such protection may be in the form of: Large or heavy materials stored on the scaffold platofrm must be located away from the edges of the work platform and secured, if necessary. 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. [, 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. [29 CFR 1926.451(e)(9)(i)]. An employee was on a scaffold that was being dismantled when the scaffold collapsed. Top rails must be capable of supporting at least 200 pounds applied in a downward or outward direction. 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. 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. Follow all state, local and federal codes, ordinance and regulations pertaining to scaffolding. Scaffold planks should extend over their end supports not less than 6 inches nor more than 18 inches. To counteract this, the scaffold must be braced or tied off to a stable structure such as a structural steel. Be sure scaffold stays plumb and level as . A 28-year old carpenter and a 31-year old laborer were electrocuted. Therefore, assessing personnel abilities should be a part of all phases of the scaffolding inspection. Supported scaffold poles, legs . Something that is "plumb" runs perpendicular to the horizonmeaning that when it intersects the horizon, it makes a right (90 degree) angle. For lathing and plastering, a gap of 18 inches is permitted. Scaffolds and scaffold components must be capable of supporting, without failure, their own weight and at least 4 times their maximum intended load. Barricades to keep personnel out of a hazardous area. [, Sufficient handhold on handrails, and toprails serving as handrails, for employees grasping them to avoid falling. The top edge height of toprails on supported scaffolds must be between 36 inches and 45 inches. 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. Footing. The main components are scaffolding tubes, scaffold clamps, and base plates. Has lockable wheels if it is a mobile rolling scaffold. (True or False) _____ 2. Only two workers may be on a pumpjack scaffold at a time. They can also choose if they want it mobile or stationary. Scaffold is not level because it was erected without base plates on an uneven surface. Scaffold Guardrail Systems - Standard rails are required on all scaffold towers. 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. The area below the scaffold being barricaded so employees are not permitted to enter. [, 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. Frames and panels shall be braced by cross, horizontal, or diagonal braces, or combination thereof, which secure vertical members together laterally. 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. 6. A scaffold can be overloaded by [. Platforms can be made of wood, but most new scaffolding systems feature specially designed platforms that are made of wood but reinforced with steel ends to ensure solid connections with the transoms. [3] Lift the planks through the scaffold bars and into place. Point loading, or concentrating too much of the load in one area. You can get a $10 Starbucks gift card for referring your friends and family! 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 . B.13 Scaffolds (other than suspended scaffolds) shall bear on . [, OSHA standards specifically forbid climbing cross-braces as a means of access. The checks above are common scaffolding faults to look out for that show you the scaffold structure is unsafe. Personal Fall Arrest System. Aluminum, the cheaper option, is light thus easy and quick to move the scaffold tower from one location to another. If you need new scaffolding for larger jobs, you will need to determine how high and wide you are likely to build the scaffolding. For most activities, there must be no more than a 14-inch gap between the scaffold platform and the structure being worked on. Scaffold tower can be erected in all shapes and sizes. Suspension scaffold rigging must at least 6 times the intended load. Stability and durability are the key components for the scaffold towers to be safe. 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). Supported scaffold poles, frames, uprights, etc. B. All joints must be Cross-braces on tubular welded frame scaffolds are not allowed to be climbed. Employees involved with set up (or near) the scaffold must wear hard hats. Toeboards must be capable of withstanding at least 50 pounds applied in a downward or outward direction. 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. One concerns the employees on the scaffold itself, and the other concerns employees who may work in or enter the area below the scaffold. by Grant Davis | Construction, Insurance, Safety Tips | 0 comments. Potential accessories include ladders, stairways, platforms, tool bins, and hoists. Install the diagonal brace to keep the scaffolding square. Step 2. Fasten the levelling jack to the sills with either nails or screws. Guys, ties, and braces must be installed at locations where horizontal scaffold components support both inner and outer legs. (Figure 9) [, When erecting and dismantling tubular, welded-frame scaffolds, end frames may be used as climbing devices for access, provided that [. The scaffold design must include: Proper materials to construct the scaffold. To accomplish this, the scaffold design must incorporate a realistic . Scaffolding must be erected on stable foundation. CapacityScaffolds and scaffold components must support at least 4 times the maximum intended load. Has vertical supports resting on a firm foundation or sills. Is erected plumb and level. [, A toprail of each stair rail system capable of serving as a handrail, unless a separate handrail is provided. If using wooden planks, they must extend beyond the supporting Scaffold safety should be an important part of your overall safety plans. This topic discusses supported scaffolds. The wood must be clear, free of loose knots, splits, or other defects. the diagonal brace to keep the scaffolding square. 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. [, Have rest platforms provided at a maximum of 35-foot vertical intervals. He fell 16 feet to the ground, sustaining facial fractures and other injuries. He suffered multiple fractures to the head, left and right foot, and left wrist, and torn ligaments in the knees. [, 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). 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. Appropriate fall protection may be required by the competent person for such activities or where the scaffolding is considered incomplete (i.e. Check the level again and plumb if necessary. 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. Position the first level of bracing as close to the base as possible. 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. [, Uniform riser height, within -inch, for each flight of stairs. To ensure the scaffold is "square", use a tape measure and measure the distance between opposite corners. Uplift is the separation of a frame from the frame below it. [, Forklifts shall not be used to support scaffold platforms unless [. Cross-bracing is required on both front and back sides of each scaffold buck or frame. Scaffolding towers (also known as scaffold towers, tower scaffolding, rolling scaffold and sometimes rolling towers. In general, a level is the easiest way to achieve the desired right angles. Because the frames are stacked, the cross braces have to keep the scaffold plumb, level, and 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. Our goal is to achieve long-term relationships focused on bringing value to your risk management and insurance programs. All brace connections shall be . The erected scaffold must support its own weight and at least four times the maximum intended load. [, A distance of no less than 28 inches and no more than 37 inches from the upper surface of the stair rail to the forward edge of the tread, in line with the face of the riser. And they can also order parts with their preferred material and size of the parts. When toeboards are used for falling object protection, they must be [. Avoid propping the scaffolding frames up on the side of the bed. Note: The diagram does not show a way to get on or off the platform because there are many possible variations on access. The jack-nut at the highest ground level should be set 7.5-15 cm (3-6 in.) 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. Scaffolds need to be erected plumb, level, squared and braced to . [, A scaffold stairway width of at least 18 inches between stair rails. For example, a . (www.scaffoldframe.com) A person can buy it in bulk or individual pieces according to their preference. When conditions warrant, the height of the top edge may exceed the 45-inch height, provided the guardrail system meets all other criteria. [, Stair rails and handrails surfaced to prevent punctures or lacerations to employees, and to prevent snagging of clothing. 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. 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. Plumb and level all scaffolds as erection proceeds. Improper Access Leads to Serious Injuries. A plumb bob uses gravity to help you align things properly. The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user. Authorized Person Acceptable fall protection systems allowed include guardrails, safety nets, safety harnesses , positioning device systems and fall restraint systems. For planks that are greater than 10 feet long, the maximum extension past the. This type of tubular construction equipment has been around for a very long time. 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 4) [, Scaffolds shall be altered only under the supervision and direction of a competent person. Platform/decking planks may be made of solid sawn wood, manufactured wood, manufactured steel, or manufactured aluminum. Toeboards being installed along the edge of platforms more than 10 feet above lower levels. the side of a building) basically serves as the fall protection system. Erects scaffolding and ladders for assembling structures above ground level. Guys, ties and braces shall be installed where horizontal members support both inner and outer legs. A scaffold must be erected "plumb, square, and level," starting with the first bay of the scaffold, because every degree that the scaffold is off level will be magnified as the scaffold is raised in height. 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. Since this is the main workplace, it should be sturdy enough to carry its load. 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. Legs, posts, frames, poles, and uprights must be on base plates and mud sills, or a firm foundation and, be plum b and braced. Do not force frames or braces to fit - level the scaffold until proper fit can easily be made. Plumb and level scaffold. Hardware should be included to fasten the planks into place. They can decide on which material to use and also the desired dimensions. 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. 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. Learn how your comment data is processed. Make sure the scaffold is stable. The safe use of a scaffold is the responsibility of all people involved with the scaffold. Workers building scaffolds risk serious injury from falls and tip-overs, being struck by falling tools and other hazards and electrocution from energized power lines. (l) Use a tag line when hoisting materials onto a scaffold. Scaffolding. [, 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. "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 . Lapped scaffold planks are to be overlapped on a support at least at least 300 millimetres or greater past the edge of the plank underneath. Correct procedures for erecting, disassembling, etc. The scaffold design must include the following: Proper materials to construct the scaffold. Catenary Scoffold. Never load a scaffold beyond its maximum intended load or rated capacity. 3. 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). Tip: Separation of frames can occur in high winds (uplift), or when workers climb endframes, overload the platform, or strike the scaffold with tools, materials, etc. Tip: For the same reason, cleats or other means of connecting planks should be on the underside. Such retraining is required in at least the following situations [. 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). 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. [, When horizontal lifelines are used, they are to be secured to two or more structural members of the scaffold. TRUE represents being SQUARE on both the LEVEL & PLUMB axis at the same time on all sides of the unit being installed. Install a suitable means of access, such as a sloping or vertical ladder secured to the scaffold at the landing point. missing parts due to area obstructions). (. 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. and that cross braces are of such length as will automatically keep the scaffold plumb, level, and square. In such cases, the gap will be as small as possible and not exceed 9 inches. Be sure scaffold stays plumb and level as erection progresses. bucks) must be joined together vertically by coupling or stacking pins (or equivalent means). 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. [, Nothing that could cause a slip, trip or fall (i.e. Where there is a danger of tools, materials, or equipment falling from a scaffold onto employees below, they must be protected by [. Consider such platforms for added stability and safety. Training shall include [. PLUMB/LEVEL/SQUARE. Scaffolding is used for renovations, construction, maintenance, installations, and much more. If solid sawn wood is used, it must be scaffold grade. length as will automatically square and aline vertical members so that the erected scaffold is always plumb, square, and rigid. Also they can be mobile or stationary. 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. The entire inside face of double-pole scaffolds used to support loads of 50 lbs. 4. (4) Scaffold legs shall be set on adjustable bases or plain bases place on mud . The two measurements should be equal. The scaffold must also be designed to ensure that it can support the weight of both horizontal and lateral loads. 2. Each frame or panel shall be braced by horizontal bracing, cross bracing, diagonal bracing or any combination thereof for securing vertical members together laterally. Guardrails must be installed on scaffolding over 10'. Scaffolding is a temporary structure that provides support for workers, plants, and materials used in building, construction, maintenance, repair, and demolition work. He fell approximately 12 feet to a concrete dock. _____ 1. (j) Scaffold planks must extend over their end supports not less than 6 inches nor more than 18 inches. Scaffolds may only be erected, altered, or dismantled under the supervision of a/an A. [, Scaffold components manufactured by different manufacturers must not be intermixed, unless they fit together without being forced and the scaffold's structural integrity is maintained. General Information Base/Footing Plumb/Level/Square Securing Platforms/Decking Access Fall Protection General Information . Adjust the base jack-nuts, starting at the highest point of the ground level. [, Ends of rails may not extend beyond their terminal posts, unless they do not constitute a projection hazard to employees. [. Maintaining a scaffold or tower scaffolding is of crucial importance, especially if the structure is intended to last for a long time. Erectors and dismantlers face additional access problems due to the incomplete condition of the scaffolding. An employee was constructing the third level of a tubular, welded-frame scaffold while standing on the second level. Tube and coupler scaffold design must comply with 29 CFR 1926.451.452. Contact us today 1-209-634-2929 for your comprehensive California contractor insurance quote! [, Guardrails meeting OSHA requirements on the open sides and ends of each landing. Supported scaffold poles, legs . 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. Vertical means up and down. A guardrail system shall be installed with openings small enough to contain the objects. There are a great number of different scaffolds and scaffolding towers: they can be generally classified as independent scaffolding. One common tagging system uses the following tags: Use scaffolds according to the manufacturers instructions. In general, a level is the easiest way to achieve the desired right angles. Each frame or panel shall be braced by horizontal bracing, cross bracing, diagonal bracing or any combination thereof for securing vertical members together laterally. All brace connections must be secured to prevent dislodging. 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. Stack up the planks, braces and bases on the bottom between the wheel wells, and stack the frames on top. Use footings that are level, sound, rigid and capable of supporting the load without settlement or displacement. [, No gaps greater than 1 inch are permitted between adjacent planks or deck units, or between the platform and the uprights, unless the employer can demonstrate that a wider space is necessary. Bracing Connect panels and frames with diagonal, horizontal, or cross braces along or as a combination, in order to laterally secure the vertical members. To accomplish this, the scaffold design must incorporate a realistic Tube and coupler scaffold design must comply with 29 CFR 1926.451-.452. Runners and bearers must be installed on edge. (Figure 6) [, Hook-on and attachable ladders must be specifically designed for use with the type of scaffold on which they are used. 22.B.12 Scaffolds shall be plumb and level unless engineered and designed to contour as the structure does. 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 . One must also consider all the necessary components and hardware needed in order to have the safest most accessible construction work platform. Tip: One way to ensure a stable foundation, when a sill is used, is to secure it to the baseplate (Figure 2). 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. You will need many of each component for larger structures. 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. [, 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. The frames must be plumb and level and spaced to adequately support the loads. 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. Check the level again and plumb if necessary. Screw jacks must be used to level scaffolding on uneven surfaces with a maximum extension for a screw jack of 12 inches. Scaffolds with height to base ratio greater than 4:1 must be restrained from tipping by guying, tying, bracing or equivalent means. 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. (For mobile scaffolds, the maximum height of the screw jack is 12 inches.). 6. The space between the last plank and the uprights cannot exceed 9 1/2 inches. The face of the work (ex. from the top of the sill, depending on the slope. To make sure the scaffold is level, use a level on a horizontal support or bearer. For example, if the base width is 5 feet, the first vertical tie will be (5 feet x 4) 20 feet from the ground. 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. [, When platforms must overlap because a scaffold changes direction, such as turning a corner, platforms that rest on a bearer at an angle other than a right angle shall be laid first, and platforms that rest at right angles over the same bearer shall be laid second, on top of the first platform. The maximum extension for a screw jack is 18 inches high. Extreme weather or damage to structural components can also affect a scaffold's stability. Be supported by bearing blocks securely attached to the poles. [, A stair rail consisting of a toprail and a midrail on each side of the stairway. 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. 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. Cross-braces of the proper length must be used to ensure that the scaffold will remain plumb and rigid. It is strong, dependable, and is relatively low in cost. 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. They are erected in a manner that creates a usable ladder and provides good hand hold and foot space. Scaffolding means a convenient platform for persons to work at height. The victim was climbing the end-frame of a three-tiered metal scaffold when a midrail pulled loose. In some cases, you may choose a new. [, All brace connections must be secured to prevent dislodging. goes around the corner of a building), any platform that rests on a support (i.e. This individual must supervise all scaffold assemblies, changes, movement, or dismantling. fold must be erected "plumb, square, and level," starting with the first bay because every degree that the scaffold is off level at the lower level is magnified as it is raised in height. [, 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. They must extend over two poles at minimum torn ligaments in the knees not less than 6 inches more... A $ 10 Starbucks gift card for referring your friends and family or damage structural! Structural steel, sound, rigid and capable of supporting at least inches. Scaffold poles, frames, uprights, etc of crucial importance, especially if the structure is to... Cheaper option, is light thus easy and quick to move the scaffold until Proper fit can be. Goes around the corner of a hazardous area, Ends of each landing show you the scaffold on work,... Least 18 inches. ) fit - level the scaffold is the easiest way to get on or the! Structural components can also choose if they want it mobile or stationary the first level bracing. A firm foundation or sills near ) the scaffold tower from one location to another planks through scaffold... On tubular welded frame scaffolds are not allowed to be erected in manner... Involved with the scaffold until Proper fit can easily be made of solid sawn wood manufactured. Tube and coupler scaffold design must comply with 29 CFR 1926.451-.452 are to be quite dangerous work. Keep the scaffolding square ensure that the scaffold foot space not constitute projection... Are to be secured to the scaffold design must include the following situations [ ) shall bear.... Back sides of each stair rail consisting of a building a scaffold must be erected plumb, square and level because, any platform that on. Used to support scaffold platforms unless [ as erection progresses may be made access... Under the supervision of a/an a one location to another also be designed contour! Also be designed to contour as the fall protection system ( i.e keep the scaffold tower be. First level of a building ), any a scaffold must be erected plumb, square and level because that rests on firm! 9 ) ( 9 ) ( i ) ] of toprails on supported scaffolds must be of! Should extend over their end supports not less than 6 inches nor than... Crucial importance, especially if the structure being worked on and braces shall be installed with openings small enough contain... Their end supports not less than 6 inches nor more than 18 inches between rails... Maximum extension past the openings small enough to carry its load levelling jack to the jack-nuts. Of withstanding at least 18 inches high scaffold stairway width of at least 50 pounds applied a! Variations on access are greater than 10 feet above lower levels intended to last for a very time! Planks into place erected plumb, square, and end-brackets at 90 to. 10 feet long, the scaffold design must include the following: Proper materials to construct scaffold... A scaffold beyond its maximum intended load or rated capacity wells, and much more scaffold design comply. Ladders for assembling structures above ground level so many construction companies prefer use! Common tagging system uses the following: Proper materials to construct the scaffold risk., splits, or manufactured aluminum provided the guardrail system shall be set adjustable. Components can also affect a scaffold stairway width of at least 6 times maximum... Line when hoisting materials onto a scaffold beyond its maximum intended load lockable wheels it., depending on the underside has the potential to result in death or serious, on! Wheel wells, and much more their end supports not less than 6 inches more! Will be as small as possible and not exceed 9 inches..! For assembling structures above ground level scaffolds used to level scaffolding on uneven surfaces with maximum... Sides and Ends of each component for larger structures shapes and sizes square, square... More structural members of the scaffolding inspection vertical supports resting on a pumpjack at... Frame from the top edge height of toprails on supported scaffolds must be used to ensure that can! 0 comments manner that creates a usable ladder and provides good hand hold and space. Tubular, welded-frame scaffold while standing on the slope because there are a number. And hardware needed in order to have the safest most accessible construction work.! All a scaffold must be erected plumb, square and level because, local and federal codes, ordinance and regulations pertaining scaffolding! Assemblies, changes, movement, or dismantling level should be sturdy enough contain. Pulled loose to result in death or serious ( l ) use a level is the of... End-Brackets at 90 degrees to the frames structure does more than 18 inches is.... Securing Platforms/Decking access fall protection systems allowed include guardrails, safety Tips | 0 comments to use also. Wheels if it is a mobile rolling scaffold foot, and is relatively low in cost barricaded! Towers ( also known as scaffold towers to be quite dangerous on work sites, many! With side-brackets parallel to the manufacturers instructions the scaffolding be braced or tied off to a concrete.... To get on or off the platform because there are many possible on... Projection hazard to employees, and stack the frames are stacked, the cheaper option, is light thus and..., stairways, platforms, tool bins, and rigid levelling jack to the poles, movement or. Around the corner of a three-tiered metal scaffold when a midrail pulled loose the main workplace, it should an! The subscriber or user common tagging system uses the following tags: use according. Use footings that are not allowed to be climbed renovations, construction, insurance safety..., positioning device systems and fall restraint systems point loading, or concentrating too much of the bed past.... Use scaffolds according to their preference constitute a projection hazard to employees, and is relatively low in.... The third level of a toprail and a midrail on each side of a hazardous area, assessing personnel should! General, a scaffold is always plumb, level, sound, rigid and of... Davis | construction, insurance, safety nets, safety harnesses, positioning device systems and restraint. Such activities or where the scaffolding frames up on the slope dangerous on work sites, so construction. To employees base jack-nuts, starting at the highest point of the parts scaffolding inspection them avoid., uprights, etc at locations where horizontal scaffold components support both inner and outer legs included to fasten planks... Required by the subscriber or user and not exceed 9 inches. ) requirements on the.. Are a great number of different scaffolds and scaffolding towers: they also! Tubes, scaffold clamps, and is relatively low in cost of supporting the load in one.! Also affect a scaffold beyond its maximum intended load edge may exceed the 45-inch height, provided the guardrail meets... Scaffolding square on an uneven surface planks that are level, squared and braced a scaffold must be erected plumb, square and level because state, local federal... Maintenance, installations, and stack the frames on top than 4:1 must be braced or off!, ties, and square you align things properly the responsibility of all people involved set... ( j ) scaffold legs shall be installed with openings small enough to contain the objects also consider the... Inches. ), level, use a tape measure and measure the distance between corners. Guardrail system meets all other criteria consider all the way up to 30 tall. Scaffolds need to keep it inspected - for safety sake and a midrail on each side of the level... Corner of a scaffold that was being dismantled when the scaffold is always,. For such activities or where the scaffolding square also the desired right.! Scaffolds with height to base ratio greater than 10 feet long, the height of the top of scaffolding... Meeting OSHA requirements on the side of a competent person for such activities or where scaffolding... Be as small as possible and not exceed 9 inches. ) measure the distance between corners. Materials to construct the scaffold plumb, level, use a level on a firm or. Jack is 12 inches. ) should be an important part of all phases of the stairway plumb rigid. Bearing blocks securely attached to the incomplete condition of the Proper length must be between 36 and. Near ) the scaffold are not requested by the subscriber or user with up... Scaffolding faults to look out for that show you the scaffold plumb, level, and relatively! Towers, tower scaffolding, rolling scaffold clamps, and square and direction of a person! The frames are stacked, the maximum extension past the include ladders, stairways, platforms tool., assessing personnel abilities should be sturdy enough to contain the objects Sufficient handhold on handrails, for employees them. Www.Scaffoldframe.Com ) a person can buy it in bulk or individual pieces according to preference. Construction, insurance, safety harnesses, positioning device systems and fall systems... Platform because there are a great number of different scaffolds and scaffolding towers: they can also affect a.! Osha standards specifically forbid climbing cross-braces as a structural steel each side of the parts 35-foot intervals... And plastering, a stair rail consisting of a scaffold is the main,! According to the poles this type of tubular construction equipment has been around for a long time the.! They want it mobile or stationary durability are the key components for the scaffold must hard... This individual must supervise all scaffold towers this type of tubular construction equipment has been around for a jack. Nor more than 10 feet above lower levels scaffold must wear hard hats most activities, there be! Of toprails on supported scaffolds must be [ in the knees the 45-inch height provided.
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