Check the level again and plumb if necessary. (Figure 9) [, When erecting and dismantling tubular, welded-frame scaffolds, end frames may be used as climbing devices for access, provided that [. [, 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 scaffold design must include the following: If during the inspection a defect or damage to the scaffold is discovered, the scaffold must betagged out and not used until repairs are made. The poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. CapacityScaffolds and scaffold components must support at least 4 times the maximum intended load. Since this is the main workplace, it should be sturdy enough to carry its load. Install a suitable means of access, such as a sloping or vertical ladder secured to the scaffold at the landing point. 1926.454 [, A stair rail consisting of a toprail and a midrail on each side of the stairway. bucks) must be joined together vertically by coupling or stacking pins (or equivalent means). 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. In general, a level is the easiest way to achieve the desired right angles. Such a scaffold can be set up on either side of the building, and offers a great level of flexibility. Step 2. 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. Suspension scaffold rigging must at least 6 times the intended load. [, 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. [, Uniform tread depth, within -inch, for each flight of stairs. (l) Use a tag line when hoisting materials onto a scaffold. There are various types of supported scaffolds: frame scaffolds, tube and clamp scaffolds, system scaffolds, mobile scaffolds, pump jack, ladder jack and wood . Click here to learn more about Scaffolding Regulations. (. [, 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. Scaffold Guardrail Systems - Standard rails are required on all scaffold towers. 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. An employee was on a scaffold that was being dismantled when the scaffold collapsed. Check out our special shipping rates! Unsafe scaffolding has the potential to result in death or serious . [, Sufficient handhold on handrails, and toprails serving as handrails, for employees grasping them to avoid falling. 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. Changes in the types of scaffolds, fall protection, falling object protection, or other equipment present a hazard for which an employee has not previously been trained. Fabricated frame scaffolds are the most common type of scaffold because they are versatile, economical, and easy to use. 2. At least 3 inches high from the top edge to the level of the walking/working surface. System Scaffolding. Supported scaffold poles, legs . (Figure 5) [, Frames and panels must be joined together vertically by coupling or stacking pins or equivalent means. 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 . 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. 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. 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. 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. [, 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. Employees are not permitted to work on or from a scaffold during storms or high wind, unless a competent person has determined that it is safe, and those employees are protected by [29 CFR 1926.451(f)(12)]: Because they may be built in proximity to overhead power lines, and because they are often made of metal, scaffolds can put workers at risk of electrocution. The erected scaffold must support its own weight and at least four times the maximum intended load. 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. The planking used must be "scaffold grade.". Light-duty scaffolds can support 25 pounds per square foot. [, A space of at least 3 inches between handrails, or stair rails used as handrails, and other objects. When platform units are abutted together to create a long platform, each abutted end must rest on a separate support surface. e. 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 . (j) Scaffold planks must extend over their end supports not less than 6 inches nor more than 18 inches. Connect the first cross- brace to the frame. You can get a $10 Starbucks gift card for referring your friends and family! Inadequacies in an affected employee's work indicate that the employee has not retained the necessary proficiency. 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. [, 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. Review blueprints, work orders, the project schedule and other written requirements to determine where these scaffolds should be used. Supported scaffold poles, legs, posts, frames, and uprights shall be plumb (i.e. [, A toprail of each stair rail system capable of serving as a handrail, unless a separate handrail is provided. Cross-bracing is required on both front and back sides of each scaffold buck or frame. OSHA 1926.454 (c) states: When an employer has reason to believe . If a mobile rolling scaffold a solid platform covering the entire area from which an employee may work. Has lockable wheels if it is a mobile rolling scaffold. The scaffold must be plumb, level and squared wi th all brace connections securely fastened. A. (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. [, Slip-resistant surfaces on treads and landings. Scaffolding means a convenient platform for persons to work at height. Install the diagonal brace to keep the scaffolding square. The face of the work (ex. When toeboards are used for falling object protection, they must be [. Maintaining a scaffold or tower scaffolding is of crucial importance, especially if the structure is intended to last for a long time. [, Uniform riser height, within -inch, for each flight of stairs. Hardware should be included to fasten the planks into place. [. No University employee shall erect scaffold greater than or equal to 20 feet. Plumb and brace poles, legs, posts, frames and uprights to prevent swaying and displacement. 4. [, 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. Footing. Next, select the appropriate-sized scaffold for each job. Where there is a danger of tools, materials, or equipment falling from a scaffold onto employees below, they must be protected by [. [, Ends of stair rails and handrails constructed so that they do not constitute a projection hazard. In the same vein, a "true" corner would be squared to exactly 90 degrees. 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. The towers you can find on Scaffold Frame are towers configured by the use of frame and brace scaffolding. Do not force frames or braces to fit - level the scaffold until proper fit can easily be made. Barricades to keep personnel out of a hazardous area. If uplift could cause the components to separate, locking pins must be used and the components secured. The checks above are common scaffolding faults to look out for that show you the scaffold structure is unsafe. The standard dimensions are 5 foot and 7 foot long. Contact us today 1-209-634-2929 for your comprehensive California contractor insurance quote! Attach tags at the access point of the scaffold. 5. Scaffolding. Bracing Connect panels and frames with diagonal, horizontal, or cross braces along or as a combination, in order to laterally secure the vertical members. [, A landing platform at least 18 inches wide by 18 inches long at each level. Erects framework for structures. Securely fastened in place at the outermost edge of the platform, and not have more than -inch clearance above the walking/working surface. e) must be made of pipe E WCB Regulations state: Tubular and similar type section scaffolding shall be erected plumb and _____. Stability and durability are the key components for the scaffold towers to be safe. [29 CFR 1926.451(g)(2)]. That's one of the reasons why we need to keep it inspected - for safety sake! This poses a risk of electrocution not just to the worker holding the tool, but to everyone who contacts the scaffold. Therefore, employers are required to provide safe scaffold access. The erected scaffold must support its own weight and at least four times the maximum intended load. All equipment must be inspected to see that it is in good condition and serviceable. As he walked to the next section of the scaffold, it collapsed and he fell to the cement floor, sustaining fractures to his left knee and right elbow. 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 ladder must extend 1 m (3 ft.) above the landing. 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. [, Scaffold components made of dissimilar metals must not be used together unless a competent person has determined that galvanic action will not reduce the strength of any component below OSHA standards. This is one more reason for always using fall protection. The scaffold must be erected with cross, horiz ontal, or diagonal braces, or combination. The process of erecting, displacing and dismantling a scaffold should be supervised by a professional erector. 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. Too much material being stored on the platform. A horizontal diagonal brace is required on the bottom buck of scaffolding at a 45 degree angle. The base and mud sill must provide a solid surface for the feet to sit upon so that the scaffold doesn't sink, move, settle, or shift. The guardrail system shall be installed along all open sides and ends of the platform before being used as a work platform by employees. How to Erect Access Frame Scaffolding How to Erect Access Frame Scaffolding www.worksafebc.com Select . 1926.451(a)(1) and (3) TrainingEmployers must train each employee who works on a scaffold on the hazards and the procedures to control the hazards. Scaffolding tagging is a safety-oriented practice of thoroughly inspecting erected scaffolding systems and subsequent tagging to ensure properly communicated specifications. There are many important safety considerations in working with scaffolds including the selection of the appropriate scaffold, proper assembly, training, inspections, and use . If a mobile rolling scaffold work at height $ 10 Starbucks gift card for referring your friends and!... 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