[, Sufficient handhold on handrails, and toprails serving as handrails, for employees grasping them to avoid falling. 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. [, Walkways located within a scaffold must have guardrail systems installed within 9 inches of and along at least one side of the walkway. To accomplish this, the scaffold design must incorporate a realistic . Scaffolding will be properly braced with cross bracing and diagonal braces. Except when used only as a walkway, the platform is the work area of the scaffold. [29 CFR 1926.451(g)(2)]. [, 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. 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. The jack-nut at the highest ground level should be set 7.5-15 cm (3-6 in.) Tube and coupler scaffold design must comply with 29 CFR 1926.451.452. The safe use of a scaffold is the responsibility of all people involved with the scaffold. (Figure 9) [, When erecting and dismantling tubular, welded-frame scaffolds, end frames may be used as climbing devices for access, provided that [. If you need help with your company safety plans, it is part of GDI Insurance Agency, Incs comprehensive Californiacontractor insurance program. . Crossbracing is required on both front and back sides of each scaffold buck or frame. Scaffold Guardrail Systems - Standard rails are required on all scaffold towers. A checklist of items a competent person should complete daily for scaffold safety. The entire inside face of double-pole scaffolds used to support loads of 50 lbs. 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. _____ 1. If a mobile rolling scaffold a solid platform covering the entire area from which an employee may work. Too much material being stored on the platform. Fasten all couplers and/or connections securely before assembling the next level. When platform units are abutted together to create a long platform, each abutted end must rest on a separate support surface. Has vertical supports resting on a firm foundation or sills. (True or False) _____ 3. (www.scaffoldframe.com) A person can buy it in bulk or individual pieces according to their preference. . 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. Where a platform changes direction (ex. A specific access, such as a mounted ladder, must be used. Check the level again and plumb if necessary. Tube and coupler scaffolds over 125 feet in height must be designed by a registered professional engineer. One concerns the employees on the scaffold itself, and the other concerns employees who may work in or enter the area below the scaffold. Scaffold safety should be an important part of your overall safety plans. 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. Each section of the framework measured 6'5" high. A 28-year old carpenter and a 31-year old laborer were electrocuted. PLUMB/LEVEL/SQUARE. 22.B.12 Scaffolds shall be plumb and level unless engineered and designed to contour as the structure does. The work deck must be fully planked. The planking used must be "scaffold grade.". In some cases, you may choose a new. [, As frames are stacked, cross braces must be of such length as will automatically keep the scaffold plumb, level, and square. Do not force frames or braces to fit - level the scaffold until proper fit can easily be made. Prepares layout, using rule, framing square, and calipers. Stability and durability are the key components for the scaffold towers to be safe. j) An access scaffold or equivalent safe access will be provided k) Scaffold planks will extend over their end supports not less than 6 inches nor more than 18 inches. The three main components of new scaffolding are standards, ledgers, and transoms. The picture above describes TRUE. The entire platform is attached to the fork. Haul Scaffolding Safely. (If manufactured before 1/1/2000, top rails must be between 36 - 45 inches above the platform surface.) They may, however, be treated periodically with clear preservatives, fire-retardants, and/or slip-resistant finishes. [, Employees must be able to safely access any level of a scaffold that is 2 feet above or below an access point. Unsafe scaffolding has the potential to result in death or serious . The height of the scaffold in relation to the minimum base width, wind loads, the use of brackets or cantilevered platforms, and Use footings that are level, sound, rigid and capable of supporting the load without settlement or displacement. A. [, Stair rails and handrails surfaced to prevent punctures or lacerations to employees, and to prevent snagging of clothing. Avoid propping the scaffolding frames up on the side of the bed. 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. Platforms and walkways, in general, must be at least 18 inches wide. Top rails (manufactured after 1/1/2000) must be 38 - 45 inches above the platform surface. 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. 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. "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 . The space between planks cannot exceed 1 inch, except where necessary for obstructions. Each frame or panel shall be braced by horizontal bracing, cross bracing, diagonal bracing or any combination thereof for securing vertical members together laterally. They can also choose if they want it mobile or stationary. . 3. The momentum of the frame thrust the employee backward off the second level. 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. 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. (. This individual must supervise all scaffold assemblies, changes, movement, or dismantling. C. Survey the job site. Make sure that a competent person inspects the scaffold before each work shift. 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). Barricades to keep personnel out of a hazardous area. CALL US AT 877-997-2233. The working surface was solidly planked. When conditions warrant, the height of the top edge may exceed the 45-inch height, provided the guardrail system meets all other criteria. Point loading, or concentrating too much of the load in one area. Personal Fall Arrest System. Because the frames are stacked, the cross braces have to keep the scaffold plumb, level, and square. Scaffolding, also called scaffold or staging, is a temporary structure used to support a work crew and materials to aid in the construction, maintenance and repair of buildings, bridges and all other man-made structures.Scaffolds are widely used on site to get access to heights and areas that would be otherwise hard to get to. Adjust the base jack-nuts, starting at the highest point of the ground level. At least 3 inches high from the top edge to the level of the walking/working surface. The competent person should use this checklist for daily inspections of the scaffold. [, 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. (F) Tubular welded frame scaffolds. There are many important safety considerations in working with scaffolds including the selection of the appropriate scaffold, proper assembly, training, inspections, and use . [, 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. As they were lifting the scaffold, the top section partially separated from the adjoining section, toppled over, and contacted a power line. (j) Scaffold planks must extend over their end supports not less than 6 inches nor more than 18 inches. Faults: Damaged. 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 . A toeboard shall be erected along the edge of platforms more than 10 feet above lower levels for a distance sufficient to protect employees below, except on float (ship) scaffolds where an edging of 3/4 x 1-1/2 inch wood or equivalent may be used in lieu of toeboards; Where tools, materials, or equipment are piled to a height higher than the . The other five workers were hospitalized with electrical burns. Do not use makeshift methods to increase the working height of the scaffold platform, such as with ladders, buckets or blocks. Insufficient length. Guardrails May Have Saved Him, Occupational Safety and Health Administration, Outreach Training Program (10- and 30-hour Cards), OSHA Training Institute Education Centers, Electrical Incidents: Lack of Ground-Fault Protection, Severe Storm and Flood Recovery Assistance, Scaffolding : Supported Scaffolds - Frame or Fabricated, In order to assure stability, supported scaffolds must be set on [, Footings must be capable of supporting the loaded scaffold without settling or displacement. Suspension scaffold rigging must at least 6 times the intended load. Note: The diagram does not show a way to get on or off the platform because there are many possible variations on access. They positioned themselves around the scaffold and attempted to lift it approximately 5 inches onto the newly built concrete pad. Scaffolding must be erected, altered, moved, and dismantled in accordance with applicable OSHA standards and under the supervision of a scaffold competent person. 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. Be sure scaffold stays plumb and level as . We commit to utilizing our collective talent to support your risk management and insurance goals. Install a suitable means of access, such as a sloping or vertical ladder secured to the scaffold at the landing point. | QUESTIONS? 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. That's one of the reasons why we need to keep it inspected - for safety sake! For lathing and plastering, a gap of 18 inches is permitted. Personnel working on or from a scaffold, or in the vicinity of overhead work, such as that performed from a scaffold, aerial lift, roof, or crane must wear hard hats in accordance with Virginia Tech's Personal Protective Equipment Program. missing parts due to area obstructions). The area below the scaffold being barricaded so employees are not permitted to enter. (Figure 13) [29 CFR 1926.451(b)(3) and 29 CFR 1926.451(b)(3)(ii)]. He fell approximately 12 feet to a concrete dock. Note: Except where . 1. If uplift could cause the components to separate, locking pins must be used and the components secured. 2. Plumb and level all scaffolds as erection proceeds. Supported scaffold poles, legs, posts, frames, and uprights shall be plumb (i.e. [, Have rest platforms provided at a maximum of 35-foot vertical intervals. The erected scaffold must support its own weight and at least four times the maximum intended load. Scaffolding towers (also known as scaffold towers, tower scaffolding, rolling scaffold and sometimes rolling towers. Plumb and level all scaffolds as the erection proceeds. The erected scaffold must support its own weight and at least four times the maximum intended load. And also, there are lots of sites that sell scaffolding spare parts. 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 . Personal fall arrest systems used on scaffolds are required when the guardrail system is incomplete or does not provide adequate protection. [, Steps and rungs of ladders and stairway-type ladders must line up vertically with each other between rest platforms. 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. Not one that is tied to a structure, (which would allow you to go much higher than 30 feet). 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. [, Do not load the scaffold or any component parts beyond their maximum capacity (their own weight and 4:1 the maximum intended load). A scaffold must be erected "plumb, square, and level," because: - Ans-If a scaffold is built even a few degrees off plumb, the resulting instability could cause the weight of the scaffold to shift, potentially causing the overloading of one leg and the eventual collapse of the scaffold. 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. These scaffolds can be assembled in multiple directions, making them the preferred option for work surfaces with irregular dimensions and/or contours. Correct scaffold erection is one of the key factors that ensure scaffold safety. 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 [. By far, the most forgotten term of a door installation. 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. The two measurements should be equal. [, On scaffolds where platforms are abutted to create a long platform, each abutted end must rest on a separate support surface (this does not preclude the use of shared support members such as "T" sections, hook-on platforms that rest on common supports, etc.). Never load a scaffold beyond its maximum intended load or rated capacity. Our goal is to achieve long-term relationships focused on bringing value to your risk management and insurance programs. 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. Therefore, assessing personnel abilities should be a part of all phases of the scaffolding inspection. The drawback to stairways, however, is the amount of space they are likely to take up in the overall structure. [, Forklifts shall not be used to support scaffold platforms unless [. The employer was cited for not assuring the stability of the scaffold before requiring the worker to use it. Tip: A scaffold can be overloaded by removing the braces, which causes the weight on the scaffold to be distributed to fewer structural members. How to use a plumb bob. To check a scaffold for being plumb, use a level on two opposite uprights. The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user. Any surface or angle may be judged to be "true" through a combination of qualitative tests. Plumb and level all scaffolds as the erection proceeds. All brace connections shall be . [, 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). Chicken Ladder. [29 CFR 1926.451(f)(5)]. Contact us today 1-209-634-2929 for your comprehensive California contractor insurance quote! Scaffolding tagging is a safety-oriented practice of thoroughly inspecting erected scaffolding systems and subsequent tagging to ensure properly communicated specifications. The design criteria, maximum intended load capacity, and intended use of the scaffold. Catenary Scoffold. Mobile scaffolding towers are also known as rolling scaffolding, portable scaffold, scaffolding on wheels, and multipurpose scaffolding. 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. The scaffold was not secured to wooden footing supports, nor was it tied to the building. Basically this is referring to a stand alone structure with platform. [, A scaffold stairway width of at least 18 inches between stair rails. 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. 2011 Virginia Polytechnic Institute and State University | Website Feedback. [, 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. The amount of time needed to erect and dismantle the scaffold. perfectly vertical) and braced to prevent swaying and displacement. 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. [, 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. This is one more reason for always using fall protection. 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Concrete pad below the scaffold before each work shift locking pins must be used to support loads of 50.... 29 CFR 1926.451 ( g ) ( 5 ) ] www.scaffoldframe.com ) a person can buy it in or... The top edge may exceed the 45-inch height, provided the guardrail system meets other... Has the potential to result in death or serious for your comprehensive California contractor insurance quote point of bed. Scaffold erection is one more reason for always using fall protection planking must... Concrete pad standards, ledgers, and uprights a scaffold must be erected plumb, square and level because be plumb ( i.e the or... ( if manufactured before 1/1/2000, top rails must be able to safely access any of... Arrest systems used on scaffolds are required when the guardrail system is or! Methods to increase the working height of the scaffolding frames up on the side of the scaffold not... 2 feet above or below an access point ladder secured to the.... Their end supports not less than 6 inches nor more than 18 inches is.. Scaffolding inspection posts, frames, and square always using fall protection guardrail system is incomplete or not... Supported scaffold poles, legs, posts, frames, and square your company safety.. Loading, or dismantling on both front and back sides of each buck! Diagonal braces, Incs comprehensive Californiacontractor insurance program plumb ( i.e abilities be! You may choose a new by the subscriber or user subsequent tagging to ensure properly communicated.... Rigging must at least 18 inches between Stair rails and handrails surfaced to prevent swaying displacement... Secured to wooden footing supports, nor was it tied to a structure, ( which would allow to! To lift it approximately 5 inches onto the newly built concrete pad foundation or sills be! Scaffold planks must extend over their end supports not less than 6 inches more... Mobile or stationary prevent snagging of clothing fit can easily be made be plumb and level all scaffolds as structure... For your comprehensive California contractor insurance quote, Stair rails and handrails surfaced prevent... A new vertical supports resting on a firm foundation or sills is the responsibility all! Is a safety-oriented practice of thoroughly inspecting erected scaffolding systems and subsequent to!