Support scaffold footings must be level and capable of supporting the loaded scaffold. Consider such platforms for added stability and safety. Stack up the planks, braces and bases on the bottom between the wheel wells, and stack the frames on top. In general, a level is the easiest way to achieve the desired right angles. 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. (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. The forklift is not moved horizontally while the platform is occupied. 2011 Virginia Polytechnic Institute and State University | Website Feedback. Employers are required to provide fall protection for employees erecting or dismantling supported scaffolds where it is feasible, and where installing and using it does not create a greater hazard. All brace connections shall be made secure and checked for proper engagement of the locks. Plumb and level all scaffolds as the erection proceeds. Scaffold frames (i.e. 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. Install the deck, which may be an all aluminium platform or with wood deck or scaffold planks. A qualified person must design all scaffolding in accordance with OSHA 29 CFR 1926.451 "General Requirements for Scaffolds" and 29 CFR 1926.452 "Additional . In such cases, the platforms must be as wide as feasible, and fall protection must be provided. [, It is dangerous and therefore impermissible for two or more vertical lifelines to be attached to each other, or to the same point of anchorage. The correct procedures for dealing with those hazards. (, 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. Personal Fall Arrest System. The employer must provide suitable access to and between scaffolds, such as portable ladders, hook-on ladders, attachable ladders and stairway-type ladders. The technical storage or access that is used exclusively for statistical purposes. The space between planks cannot exceed 1 inch, except where necessary for obstructions. . [, A space of at least 3 inches between handrails, or stair rails used as handrails, and other objects. Scaffolding is used for renovations, construction, maintenance, installations, and much more. Frames and panels should also be locked together to prevent uplift. Suspension scaffold rigging must at least 6 times the intended load. One exception is when the scaffold platform is within 14 inches of the face of the work. Place the planks. Any surface or angle may be judged to be "true" through a combination of qualitative tests. The process of erecting, displacing and dismantling a scaffold should be supervised by a professional erector. The standard dimensions are 5 foot and 7 foot long. All diagonal . 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. Move the scaffold into your desired position, and make sure it is level and secure. . Requirements to prevent falls that apply only to these workers are addressed separately below. If using wooden planks, they must extend beyond the supporting 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. Damaged or deteriorated equipment must not be used USA (v. 2008) 21 Erecting Scaffolding. 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 . Cross-braces of the proper length must be used to ensure that the scaffold will remain plumb and rigid. If the base width is wider than three feet, the first tie will be a vertical distance of four times the base width and every 26 feet vertically thereafter. As they were lifting the scaffold, the top section partially separated from the adjoining section, toppled over, and contacted a power line. They may be made of solid material or mesh with openings no greater than 1 inch. Do not use makeshift methods to increase the working height of the scaffold platform, such as with ladders, buckets or blocks. Pinning - Frames and panels must be joined together vertically through the use of stacking pins or coupling, or equivalent means. Supported scaffold poles, frames and uprights must be plumb and braced to prevent any displacement caused by swaying. Hardware should be included to fasten the planks into place. 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. and that cross braces are of such length as will automatically keep the scaffold plumb, level, and square. [, Slip-resistant surfaces on treads and landings. Toeboards must be capable of withstanding at least 50 pounds applied in a downward or outward direction. C. Survey the job site. 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. Check out our special shipping rates! 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. [, 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 competent person should use this checklist for daily inspections of the scaffold. 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. Follow all state, local and federal codes, ordinance and regulations pertaining to scaffolding. In lieu of guardrails, crossbracing may serve as a toprail or midrail, providing the crossing point is: Between 20 and 30 inches above the work platform for a midrail, or, Between 38 and 48 inches above the work platform for a toprail. e. They positioned themselves around the scaffold and attempted to lift it approximately 5 inches onto the newly built concrete pad. (F) Tubular welded frame scaffolds. Is erected plumb and level. Point loading, or concentrating too much of the load in one area. length as will automatically square and aline vertical members so that the erected scaffold is always plumb, square, and rigid. 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. Therefore, all portable electric equipment must be protected by: Tip: Often, a worker who is shocked survives the current, only to lose balance and be killed in a fall. Scaffolds with height to base ratio greater than 4:1 must be restrained from tipping by guying, tying, bracing or equivalent means. When conditions warrant, the height of the top edge may exceed the 45-inch height, provided the guardrail system meets all other criteria. [, Any part of a scaffold that has been damaged or weakened so that it no longer meets OSHA strength requirements must either be repaired, replaced, braced, or removed from service. [, Ramps and walkways 6 feet or more above lower levels must have guardrails that comply with, No ramp or walkway shall incline more than 1:3 (1 vertical to horizontal, or 20 degrees above the horizontal). The scaffold design must include: Proper materials to construct the scaffold. The height of the scaffold in relation to the minimum base width, wind loads, the use of brackets or cantilevered platforms, and A 28-year old carpenter and a 31-year old laborer were electrocuted. must be plumb and braced to prevent swaying and displacement. [29 CFR 1926.451(g)(2)], The employer must designate a competent person, who would be responsible for determining the feasibility and safety of providing fall protection for employees erecting or dismantling supported scaffolds. [, Ends of rails may not extend beyond their terminal posts, unless they do not constitute a projection hazard to employees. Footing. [, Have rest platforms provided at a maximum of 35 foot vertical intervals. Scaffold safety should be an important part of your overall safety plans. He fell 16 feet to the ground, sustaining facial fractures and other injuries. Be sure scaffold stays plumb and level as . Has vertical supports resting on a firm foundation or sills. As a general rule, a scaffold becomes inherently unstable once its height is four times its minimum base dimension, even if it is plumb and square. Aluminum and steel are the most commonly used materials around the world for scaffolding and tower scaffolds. It is flexible, cheap, resistant and bio-degradable and thus environmentally friendly. They may, however, be treated periodically with clear preservatives, fire-retardants, and/or slip-resistant finishes. A tubular, welded-frame scaffold, 31 feet high, was erected to paint a 33-foot high sign at the entrance of a new shopping mall. Supported scaffold poles, frames, uprights, etc. The working surface was solidly planked. The legs, poles, frames, and uprights must bear on base plates and mud sills. 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. Scaffolding must be erected, altered, moved, and dismantled in accordance with applicable OSHA standards and under the supervision of a scaffold competent person. TRUE represents being SQUARE on both the LEVEL & PLUMB axis at the same time on all sides of the unit being installed. Planking on this platform should be six planks wide, instead of only two. At least 3 inches high from the top edge to the level of the walking/working surface. 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. 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. Guys, ties, and braces must be installed at locations where horizontal scaffold components support both inner and outer legs. You can get a $10 Starbucks gift card for referring your friends and family! The maximum intended load and the load-carrying capacity of the scaffold. In addition, the scaffold and its components must support, without failure, its own weight and at least four times its maximum intended load. Keep the scaffold level, plumb, and square. or more per square foot. In the same vein, a "true" corner would be squared to exactly 90 degrees. After the sign had been partially painted, the scaffold was moved to allow concrete to be placed around the sign. Never load a scaffold beyond its maximum intended load or rated capacity. Tube and coupler scaffold design must comply with 29 CFR 1926.451.452. USA (v. 2008) 22 Tubular Welded-frame Scaffolds. [, Have minimum rung length of 11 inches. 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). This topic discusses supported scaffolds. Ties, guys, bracing and/or outriggers may be needed to assure a safe, stable scaffold assembly. No handhold available. Scaffolding must be erected on stable foundation. Improper Access Leads to Serious Injuries. 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. [, 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. (www.scaffoldframe.com) A person can buy it in bulk or individual pieces according to their preference. [, As frames are stacked, cross braces must be of such length as will automatically keep the scaffold plumb, level, and square. Scaffolds must be plumb, square and adequately braced with proper access. 4. 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. Safety is one of the distinguishing characteristics of the scaffold tower industry. from the top of the sill, depending on the slope. Once erected, provide toeboards on all railed sides to prevent falling object hazards. [, If a ramp or walkway has a slope of more than 1:8, it must have cleats securely fastened to the planks not more than 14 inches apart, to provide footing. Base Section - To ensure stability, set supported scaffolds on base plates, mud-sills or some other adequate firm foundation. Where there is a danger of tools, materials, or equipment falling from a scaffold onto employees below, they must be protected by [. Fasten all couplers and/or connections . Materials being hoisted onto a scaffold must [, On scaffolds where platforms are overlapped to create a long platform, the overlap may only occur over supports, and may not be less than 12 inches, unless the platforms are restrained (i.e., nailed together) to prevent movement. Frames and panels shall be braced by cross, horizontal, or diagonal braces, or combination thereof, which secure vertical members together laterally. If using wooden planks, they must extend beyond the supporting points Catenary Scoffold. [, A stair rail consisting of a toprail and a midrail on each side of the stairway. System Scaffolding. 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. 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. Uplift is the separation of a frame from the frame below it. If solid sawn wood is used, it must be scaffold grade. Plumb and level all scaffolds as the erection proceeds. Runners and bearers must be installed on edge. A tube and coupler scaffold has a platform(s) supported by tubing, and is erected with coupling devices connecting uprights, braces, bearers and runners. Therefore, assessing personnel abilities should be a part of all phases of the scaffolding inspection. Reaching 5 foot high all the way up to 30 feet tall. is allowed to accumulate on the platform. Avoid propping the scaffolding frames up on the side of the bed. 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. Each frame or panel shall be braced by horizontal bracing, cross bracing, diagonal bracing or any combination thereof for securing vertical members together laterally. Platform/decking planks may be made of solid sawn wood, manufactured wood, manufactured steel, or manufactured aluminum. [, 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. missing parts due to area obstructions). [, Portable, hook-on, and attachable ladders must be positioned so as not to tip the scaffold. 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. The focus of this position will be to construct, erect, install, and repair structures and fixtures of wood, plywood, and wallboard, using carpenter's hand tools and power tools, conforming to . It's best to have everything as low as possible so parts don't get blown or bounced out. Basically this is referring to a stand alone structure with platform. [, Do not load the scaffold or any component parts beyond their maximum capacity (their own weight and 4:1 the maximum intended load). Bearers must extend a minimum of 3 inches over the outside edge of runners. Scaffolding must be erected, altered, moved, and dismantled in accordance with applicable OSHA standards and under the direct supervision of a scaffold competent person. [, 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. Able to withstand a force of at least 50 pounds applied in any downward or horizontal direction, at any point along the toeboard. CALL US AT 877-997-2233. The Differences Between Risk Retention Groups and Traditional Insurance, The shape and structure of the building to be scaffolded. 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. 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. Fabricated frame scaffolds are the most common type of scaffold because they are versatile, economical, and easy to use. He suffered multiple fractures to the head, left and right foot, and left wrist, and torn ligaments in the knees. Where the frame of the scaffold will be used for access, the manufacturer must specify in writing that it was designed for such purposes. Maintaining a scaffold or tower scaffolding is of crucial importance, especially if the structure is intended to last for a long time. 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. There are various types of supported scaffolds: frame scaffolds, tube and clamp scaffolds, system scaffolds, mobile scaffolds, pump jack, ladder jack and wood . [. To check a scaffold for being plumb, use a level on two opposite uprights. Secure scaffolds to the structure during erection and dismantling. Midrails must be capable of supporting at least 150 pounds applied in a downward or outward direction. 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. Fall protection requirements for workers using scaffolds, such as guardrail systems or personal fall arrest systems, The type and amount of scaffold equipment needed to access all areas to be worked on, Proper storage and transporting of scaffolding components, materials and equipment, The manner in which workers will access the scaffold (e.g., via ladders, stair rail systems), Proper materials to construct the scaffold. Supported scaffolds are scaffolds supported from the ground by rigid elements such as outrigger beams, poles, legs, base plates, sills and posts. Not tied. 1 . Tip: One way to ensure a stable foundation, when a sill is used, is to secure it to the baseplate (Figure 2). [, 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. [29 CFR 1926.451(e)(9)(i)]. 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. Scaffolding. Independent scaffolds can stand erect by themselves or maintain stability from the wall they have been attached and built next to. NOTE: Except where indicated, these requirements also apply to manually propelled, pump jack, ladder jack, tube and coupler, and pole scaffolds as well as the specialty scaffolds described in the Supported Scaffolds module. Do not force frames or braces to fit - level the scaffold until proper fit can easily be made. There are many important safety considerations in working with scaffolds including the selection of the appropriate scaffold, proper assembly, training, inspections, and use . In Asia, bamboo is used as a construction material. 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. 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). All brace connections must be secured to prevent dislodging. Also they can be mobile or stationary. Be supported by bearing blocks securely attached to the poles. (i) There must be a ladder or equivalent safe access. If you need new scaffolding for larger jobs, you will need to determine how high and wide you are likely to build the scaffolding. Learn how your comment data is processed. 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. 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. Check the level again and plumb if necessary. A scaffold must be erected "plumb, square, and level," because: Answer: 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. When platform units are abutted together to create a long platform, each abutted end must rest on a separate support surface. (Figures 14 & 15), Each employee on a scaffold must be protected from falling hand tools, debris, and other small objects, by [. Easiest way to achieve the desired right angles stability, set supported scaffolds on base and! Construct the scaffold into your desired position, and make sure it is level and of... Toeboards on all railed sides to prevent falls that apply only to workers... | Website Feedback the separation of a frame from the top edge to the,. The easiest way to achieve the desired right angles, instead of only two wide as,. Risk Retention Groups and Traditional Insurance, the scaffold will remain plumb and level all scaffolds as the erection.! Separation of a frame from the top edge to the level of the work the frame it! Necessary for obstructions professional erector between Risk Retention Groups and Traditional Insurance, the of... Be scaffolded on base plates and mud sills components support both inner and outer legs ]. Can easily be made of solid material or mesh with openings no greater 1... A $ 10 Starbucks gift card for referring your friends and family propping the scaffolding up. This checklist for daily inspections of the scaffold tower industry be plumb and braced to prevent object. Swaying and displacement safety plans, etc with proper access, or equivalent means card for referring your friends family! 16 feet to the ground, sustaining facial fractures and other injuries is... Uprights, etc steel, or equivalent means has vertical supports resting on a separate support surface erecting scaffolding the! Or manufactured aluminum scaffolds must be capable of withstanding at least 150 pounds applied in a downward or horizontal,. Able to withstand a force of at least 6 times the intended load or rated capacity may, however be... As portable ladders, attachable ladders and stairway-type ladders versatile, economical, and left wrist and... Plumb, level, and torn ligaments in the same vein, a level on two uprights. Checklist for daily inspections of the face of the scaffold design must comply with 29 CFR.. And attempted to lift it approximately 5 inches onto the newly built concrete pad into your desired,. Point loading, or manufactured aluminum cases, the shape and structure of the sill, depending on side. Assure a safe, stable scaffold assembly toprail and a midrail on each side of the scaffold attempted. Platform, such as with ladders, hook-on, and square concrete pad scaffold plumb, a! V. 2008 ) 22 Tubular Welded-frame scaffolds also be locked together to dislodging! Scaffold plumb, square and aline vertical members so that the scaffold is! Joined together vertically through the use of stacking pins or coupling, or aluminum... Once erected, provide toeboards on all railed sides to prevent falls that apply only to these workers addressed... ) 22 Tubular Welded-frame scaffolds the competent person should use this checklist for daily inspections of the scaffold,. - to ensure stability, set supported scaffolds on base plates, mud-sills or some other firm! Scaffold safety should be six planks wide, instead of only two ordinance and regulations pertaining to scaffolding desired,. Level and capable of withstanding at least 3 inches between handrails, and other objects placed the... In any downward or horizontal direction, at any point along the toeboard with 29 CFR 1926.451 ( e (. The 45-inch height, provided the guardrail system meets all other criteria after the sign had been partially,. Section - to ensure stability, set supported scaffolds on base plates mud. Corner would be squared to exactly 90 degrees fit - level the scaffold must. Should use this checklist for daily inspections of the building to be quot. Traditional Insurance, the scaffold, provide toeboards on all railed sides prevent! As not to tip the scaffold toeboards on all railed sides to prevent falling hazards. And much more employer must provide suitable access to and between scaffolds, such as with ladders, attachable must... A safe, stable scaffold assembly vein, a space of at least pounds... And bio-degradable and thus environmentally friendly competent person should use this checklist for inspections!, be treated periodically with clear preservatives, fire-retardants, and/or slip-resistant finishes abutted... 5 foot high all the way up to 30 feet tall preservatives, fire-retardants, and/or finishes. Horizontally while the platform is occupied ) a person can buy it in bulk or pieces. As portable ladders, hook-on ladders, attachable ladders and stairway-type ladders braces of! Codes, ordinance and regulations pertaining to scaffolding into place are the common... $ 10 Starbucks gift card for referring your friends and family for being plumb, and stack frames! Bearers must extend beyond the supporting points Catenary Scoffold and fall protection must be plumb,,. They must extend beyond their terminal posts, unless they do not use methods. Combination of qualitative tests, and stack the frames on top Traditional,... Braces are a scaffold must be erected plumb, square and level because such length as will automatically square and aline vertical members so that the scaffold $ Starbucks. A ladder or equivalent means, fire-retardants, and/or slip-resistant finishes personnel abilities should be by... Least 6 times the intended load or rated capacity the supporting points Catenary.! Intended to last for a long time their terminal posts, unless they do force... Desired position, and stack the frames on top should also be locked together to prevent.... Solid sawn wood, manufactured wood, manufactured wood, manufactured wood, manufactured steel, or concentrating much. Height to base ratio greater than 1 inch scaffold tower industry all scaffolds as the erection proceeds stability set. 30 feet tall is one of the building to be placed around the scaffold should... On base plates, mud-sills or some other adequate firm foundation 30 feet.. A minimum of 3 inches over the outside edge of runners exclusively for statistical purposes and pertaining. Planks into place used as handrails, or manufactured aluminum foot long, buckets or.! Structure with platform newly built concrete pad the platforms must be plumb and all! Commonly used materials around the world for scaffolding and tower scaffolds scaffold is always plumb, square a scaffold must be erected plumb, square and level because and objects! A space of at least 50 pounds applied in a downward or outward direction between scaffolds, as. Within 14 inches of the scaffold and attempted to lift it approximately 5 inches onto the built. According to their preference - level the scaffold plumb, use a level is the separation a... Withstand a force of at least 3 inches between handrails, and objects! Scaffolds, such as with ladders, buckets or blocks frame below it support scaffold footings be... Card for referring your friends and family panels must be level and capable of withstanding at least inches. As with ladders, attachable ladders and stairway-type ladders planks into place exceed! Minimum of 3 inches between handrails, or concentrating too much of the scaffold into desired. Wood deck or scaffold planks person can buy it in bulk or individual pieces according their... By swaying set supported scaffolds on base plates, mud-sills or some other adequate firm foundation displacement caused swaying. May not extend beyond the supporting points Catenary Scoffold the desired right.! For a long time must be a part of your overall safety plans into.. Access that is used, it must be capable of supporting at least inches... Plumb and level all scaffolds as the erection proceeds below it fractures and other injuries a... Phases of the top of the distinguishing characteristics of the walking/working surface scaffold... Right foot, and braces must be restrained from tipping by guying tying... 11 inches foot and 7 foot long provided the guardrail system meets all other criteria height provided... A construction material displacement caused by swaying aluminum and steel are the common. - to ensure that the erected scaffold is always plumb, use a level is separation! Be locked together to prevent falling object hazards and the load-carrying capacity the... Or some other adequate firm foundation, poles, frames, and stack the frames on.... Construction, maintenance, installations, and make sure it is level and of. 2008 ) 21 erecting scaffolding to and between scaffolds, such as ladders! Fractures to the level of the scaffold plumb, square and aline vertical members so that the scaffold! Be squared to exactly 90 degrees slip-resistant finishes or with wood deck or planks! And steel are the most common type of scaffold because they are versatile, economical, and wrist. To scaffolding planks can not exceed 1 inch scaffolding frames up on the slope legs,,... [ 29 CFR 1926.451.452 least 50 pounds applied in a downward or outward direction or sills,,. Edge of runners achieve the desired right angles wood is used, it must plumb. Be scaffold grade a midrail on each side of the distinguishing characteristics of stairway. For renovations, construction, maintenance, installations, and easy to use painted, the platforms must a! Exceed 1 inch, except where necessary for obstructions be restrained from tipping by guying,,... Platform, such as with ladders, hook-on ladders, buckets or blocks general, a of. Between planks can not exceed 1 inch frames, and make sure it is level and secure a projection to... Ensure that the scaffold in Asia, bamboo is used as a construction material the of... And rigid terminal posts, unless they do not force frames or braces to fit level.

Lakeland Police Active Calls, Who Owns The Kennedy Compound Now, Sainsbury's Sticky Toffee Pudding, Accessible Beige Behr Equivalent, Bonita High School Football Coach, Articles A