Scaffold planking must be able to support, without failure, its own weight and at least four times the intended load. [29 CFR 1926.451(a)(1)]Solid sawn wood, fabricated planks, and fabricated platforms may be used as scaffold planks following the recommendations by the manufacturer or a lumber grading association or inspection agency. In these situations, only the planking that the employer establishes is necessary to provide safe working conditions is required. Must be at least 18 inches wide between stair-rails, and have a landing platform at least 18 inches wide by at least 18 inches long at each level. WebTower scaffolds must comply with the standard required for all types of scaffolds, eg double guardrails, toeboards, bracing and access ladder. 09/30/1999 - Forklifts in construction: Elevating personnel and operator training. Safe points of anchorage include structural members of buildings, but do not include standpipes, vents, other piping systems, electrical conduit, outrigger beams, or counterweights. Vertical lifelines, independent support lines, and suspension ropes shall not be attached to each other, nor shall they be attached to or use the same point of anchorage, nor shall they be attached to the same point on the scaffold or personal fall arrest system. Evidence that the secondary brake has been activated during an overspeed condition and has engaged the suspension rope. [29 CFR 1926.451(d)(10)], Suspension ropes supporting adjustable suspension scaffolds must be a diameter large enough to provide sufficient surface area for the functioning of brake and hoist mechanisms. Makeshift devices, such as but not limited to boxes and barrels, shall not be used on top of scaffold platforms to increase the working level height of employees. Hook-on and attachable ladders shall have uniformly spaced rungs with a maximum spacing between rungs of 16 3/4 inches. [29 CFR 1926.451(d)(14)], Drum hoists must contain no less than four wraps of suspension rope at the lowest point of scaffold travel. Provide scaffold platforms more than 2 feet (0.6 m) above or below a point of access with at least one of the following means of access: Portable, hook-on, or attachable ladder Stairway-type ladder Ladder stand Stair tower (scaffold stairway or tower) Ramp Walkway Integral prefabricated scaffold access c) Added guidance for assessing base soil conditions. Use your safety belts and lanyards when working on scaffolding at a height of 10 feet or more above ground level. [29 CFR 1926.451(f)(8)], The standard does require specific clearance distances. WebAccess Scaffolding provides a complete scaffolding service including delivery, pickup, erection and dismantle, or we can hire the scaffold to you directly. What protections from overhead falling objects do the standards provide? Must have a rung length of at least 8 inches. [29 CFR 1926.451(d)(17)], Welding can be done from suspended scaffolds when, No materials or devices may be used to increase the working height on a suspension scaffold. When lanyards are connected to horizontal lifelines or structural members on a single-point or two-point adjustable suspension scaffold, the scaffold shall be equipped with additional independent support lines and automatic locking devices capable of stopping the fall of the scaffold in the event one or both of the suspension ropes fail. Footings shall be level, sound, rigid, and capable of supporting the loaded scaffold without settling or displacement. Suspension ropes shall be shielded from heat-producing processes. WebWhat are the requirements for constructing scaffold platforms? Some jurisdictions also incorporate the requirements in voluntary standards, such as CSA S269.2-M87 Access Must have a maximum space between rungs of 16 inches. The top edge height of toprails or equivalent member on supported scaffolds manufactured or placed in service after January 1, 2000 shall be installed between 38 inches (0.97 m) and 45 inches (1.2 m) above the platform surface. Can sand, masonry units, or rolls of roofing felt be used for counterweights? Wire suspension ropes shall not be joined together except through the use of eye splice thimbles connected with shackles or coverplates and bolts. However, where the employer can demonstrate that it is not possible to place an outrigger beam perpendicular to the face of the building or structure because of obstructions that cannot be moved, the outrigger beam may be placed at some other angle, provided opposing angle tiebacks are used. Manually operated hoists shall require a positive crank force to descend. Suspension scaffold support devices such as cornice hooks, roof hooks, roof irons, parapet clamps, or similar devices shall be: Made of steel, wrought iron, or materials of equivalent strength; Secured against movement by tiebacks installed at right angles to the face of the building or structure, or opposing angle tiebacks shall be installed and secured to a structurally sound point of anchorage on the building or structure. 6, 1979, as amended at 58 FR 35182 and 35310, June 30, 1993; 61 FR 46025, Aug. 30 1996; 61 FR 59831, Nov. 25, 1996], Occupational Safety & Health Administration, Occupational Safety and Health Administration, Outreach Training Program (10- and 30-hour Cards), OSHA Training Institute Education Centers, Severe Storm and Flood Recovery Assistance. Similarly, you can have regulations from other municipalities/authorities/Free zones from the concerned. Web(1) A type of supported scaffold set on wheels or casters (2) A simple device consisting of a platform resting on brackets attached to a ladder (3) A uniquely designed scaffold consisting of a platform supported by moveable brackets on vertical poles (1)Mobile Scaffold (2) Ladder Scaffold (3) Pump Jack Scaffold Stilts may be used on a large area scaffold. Two-point and multi-point suspension scaffolds shall be tied or otherwise secured to prevent them from swaying, as determined to be necessary based on an evaluation by a competent person. Such materials cannot be used as counterweights. ABOUT US. COF employees receive annual training Guardrail systems installed to meet the requirements of this section shall comply with the following provisions (guardrail systems built in accordance with Appendix A to this subpart will be deemed to meet the requirements of paragraphs (g)(4)(vii), (viii), and (ix) of this section): Guardrail systems shall be installed along all open sides and ends of platforms. Stair-rails must not be less than 28 inches nor more than 37 inches from the surface of the tread. The inboard ends of suspension scaffold outrigger beams shall be stabilized by bolts or other direct connections to the floor or roof deck, or they shall have their inboard ends stabilized by counterweights, except masons' multi-point adjustable suspension scaffold outrigger beams shall not be stabilized by counterweights. [29 CFR 1926.451(c)(2)(i) and 29 CFR 1926.451(c)(2)(ii)], Forklifts can support platforms only when the entire platform is attached to the fork and the fork-lift does not move horizontally when workers are on the platform. In addition, masons' multi-point adjustable suspension scaffold connections shall be designed by an engineer experienced in such scaffold design. Ramps and walkways 6 feet (1.8 m) or more above lower levels shall have guardrail systems which comply with subpart M of this part -- Fall Protection; No ramp or walkway shall be inclined more than a slope of one (1) vertical to three (3) horizontal (20 degrees above the horizontal). [29 CFR 1926.451(d)(6)] Also see, OSHA Standards and Interpretation Letter: 06/16/1999 - Scaffolds: Lifelines, support lines, and suspension ropes cannot have a common anchor point. Must have slip-resistant treads on all steps and landings. Kinks that might impair the tracking or wrapping of rope around the drum(s) or sheave(s). Vertical lifelines shall not be used when overhead components, such as overhead protection or additional platform levels, are part of a single-point or two-point adjustable suspension scaffold. SCAFFOLDING IN NEW ZEALAND KEY POINTS: Duty holders have responsibilities under the Health and Safety at Work Act Suspension scaffold hoists and non-walk-through stirrups may be used as end guardrails, if the space between the hoist or stirrup and the side guardrail or structure does not allow passage of an employee to the end of the scaffold. [29 CFR 1926.451(b)(2)], The standard requires employers to protect each employee on a scaffold more than 10 feet (3.1 m) above a lower level from falling to that lower level. [. WebScaffold design. Stairways must be installed between 40 degrees and 60 degrees from the horizontal. However, OSHA permits direct access from another scaffold, structure, or personnel hoist. Scaffolds shall not be moved horizontally while employees are on them, unless they have been designed by a registered professional engineer specifically for such movement or, for mobile scaffolds, where the provisions of 1926.452(w) are followed. [29 CFR 1926.453(b)(2)(v) and 29 CFR 1926.451(g)(3)], Vertical or horizontal lifelines may be used. Guardrail systems shall be installed before the scaffold is released for use by employees other than erection/dismantling crews. When a guardrail system is used, the guardrail height must be increased in height equal to the height of the stilts. WebA scaffold is a temporary structure erected to support access or working platforms. What are the requirements for access to scaffolds? Excess suspension wire rope and any additional independent lines from grounding shall be insulated; The suspension wire rope shall be covered with insulating material extending at least 4 feet (1.2 m) above the hoist. 724-452-8300. Each employee performing overhand bricklaying operations from a supported scaffold shall be protected from falling from all open sides and ends of the scaffold (except at the side next to the wall being laid) by the use of a personal fall arrest system or guardrail system (with minimum 200 pound toprail capacity). The toprail of each stairrail system shall also be capable of serving as a handrail, unless a separate handrail is provided. [29 CFR 1926.451(g)(1)], A competent person must determine the feasibility and safety of providing fall protection for employees erecting or dismantling supported scaffolds. Must have a slope of no more than 1 vertical to 3 horizontal degrees (20 degrees above the horizontal). When vertical lifelines are used, they shall be fastened to a fixed safe point of anchorage, shall be independent of the scaffold, and shall be protected from sharp edges and abrasion. [, When scaffold platforms are more than 24 inches (61 cm) above or below a point of access, ladders, ramps, walkways, or similar surfaces must be used. The size of this conductor shall be at least the size of the welding process work lead, and this conductor shall not be in series with the welding process or the work piece; If the scaffold grounding lead is disconnected at any time, the welding machine shall be shut off; and. If a ladder is used for access, it must be securely linked to the scaffold and rise at least 3 feet above the platform. A safe point of access should be present during erection and dismantling operations. Tiebacks shall be equivalent in strength to the suspension ropes. Stairrail systems and handrails shall be surfaced to prevent injury to employees from punctures or lacerations, and to prevent snagging of clothing. How wide does the work area need to be on scaffolding? Any ladders or stairways required to reach them must be placed so that the scaffold does not become unstable. What exactly is sufficient clear space? Ropes shall be replaced if any of the following conditions exist: Any physical damage which impairs the function and strength of the rope. Greater variations in riser height are allowed for the top and bottom steps of the entire system, not for each flight of stairs. Must have rest platforms at 12-foot maximum intervals. For example: A scaffold erected The end points at each upright shall be no more than 48 inches (1.3 m) apart. To reduce the possibility of welding current arcing through the suspension wire rope when performing welding from suspended scaffolds, the following precautions shall be taken, as applicable: An insulated thimble shall be used to attach each suspension wire rope to its hanging support (such as cornice hook or outrigger). Unsafe scaffolding has the potential to result [29 CFR 1926.451(d)(16)], Manually operated hoists used to raise or lower a suspended scaffold must be tested an listed by a qualified testing laboratory. Two tie-backs installed at opposing angles are required when a perpendicular tieback cannot be installed. An active welding rod or uninsulated welding lead shall not be allowed to contact the scaffold or its suspension system. Scaffold components made of dissimilar metals shall not be used together unless a competent person has determined that galvanic action will not reduce the strength of any component to a level below that required by paragraph (a)(1) of this section. A 10ft high scaffolding board must have guardrails around all open sides and ends as well horizontally smaller ones might need these too regardless of height 14 inches minimum width between spikes with toe boards 4 tall made out of wire mesh that extends past each end by 6. Before the scaffold is used, direct connections shall be evaluated by a competent person who shall confirm, based on the evaluation, that the supporting surfaces are capable of supporting the loads to be imposed. Scaffold components manufactured by different manufacturers shall not be intermixed unless the components fit together without force and the scaffold's structural integrity is maintained by the user. Must have rest platforms at 35-foot maximum intervals on all supported scaffolds more than 35 feet high. If such access is not possible, portable ladders, hook-on ladders, attachable ladders, stair towers, stairway-type ladders, ramps, walkways, or built-in ladders must be used, under the following regulations: Portable, Hook-on, and Attachable Ladders. Must be installed between 40 degrees and 60 degrees from the horizontal. WebEach scaffold and scaffold component must support without failure its own weight and at least 4 times the maximum intended load applied or transmitted to it. Window cleaners' anchors shall not be used for this purpose. Steel or plastic banding shall not be used as a toprail or midrail. [29 CFR 1926.451(b)(1)], Scaffold planking must be able to support, without failure, its own weight and at least four times the intended load. A suspension scaffold contains one or more platforms suspended by ropes or other non-rigid means from an overhead structure, 29 CFR 1926.450(b), such as the following scaffolds: single-point, multi-point, multi-level, two-point, adjustable, boatswain's chair, catenary, chimney hoist, continuous run, elevator false car, go-devils, interior hung, masons', and stone setters'. Work on or from scaffolds is prohibited during storms or high winds unless a competent person has determined that it is safe for employees to be on the scaffold and those employees are protected by a personal fall arrest system or wind screens. The ends of all rails shall not overhang the terminal posts except when such overhang does not constitute a projection hazard to employees. What are the fall protection requirements for all scaffolds? Such guys, ties and braces shall be installed at each end of the scaffold and at horizontal intervals not to exceed 30 feet (9.1 m) (measured from one end [not both] towards the other). [29 CFR 1926.451(c)(3)], All employees must be trained by a qualified person to recognize the hazards associated with the type of scaffold being used and how to control or minimize those hazards. Suspension scaffold outrigger beams, when used, shall be made of structural metal or equivalent strength material, and shall be restrained to prevent movement. [29 CFR 1926.453(b)(2)(v)], Fall-arrest and guardrail systems must be used when working on single- and two-point adjustable suspension scaffolds and self-contained adjustable scaffolds that are supported by ropes. Sound points of anchorage include structural members, but do not include standpipes, vents, other piping systems, or electrical conduit. This paragraph applies to scaffold access for all employees. Tiebacks shall be secured to a structurally sound anchorage on the building or structure. Must be uniformly spaced within each frame section. Our books collection saves in multiple locations, allowing you to get the most less latency time to download any of our books like this one. Have slip-resistant treads on all steps and landings. Must have their bottom step no more than 24 inches above the level on which Treads and landings shall have slip-resistant surfaces. Any of these independent modules or units should form a base. Effective September 2, 1997, access for employees erecting or dismantling supported scaffolds shall be in accordance with the following: The employer shall provide safe means of access for each employee erecting or dismantling a scaffold where the provision of safe access is feasible and does not create a greater hazard. Zelienople, PA 16063. a grounding conductor is connected from the scaffold to the structure and is at least the size of the welding lead. [29 CFR 1926.451(d)(3)(iv)], Vertical lifelines must not be fastened to counterweights. [29 CFR 1926.451(e)], Shore and lean-to scaffolds are strictly prohibited. The top guy, tie or brace of completed scaffolds shall be placed no further than the 4:1 height from the top. Exception to paragraph (b)(1): The requirement in paragraph (b)(1) to provide full planking or decking does not apply to platforms used solely as walkways or solely by employees performing scaffold erection or dismantling. Each ladder jack scaffold, top plate bracket scaffold, roof bracket scaffold, and pump jack scaffold shall be at least 12 inches (30 cm) wide. What are the footing and foundation requirements for supported scaffolds? Also see, OSHA Standards Interpretation and Compliance Letter: 09/30/1999 - Forklifts in construction: Elevating personnel and operator training. Either the manufacturers' recommendation or the following placements must be used for guys, ties, and braces: Supported scaffolds' poles, legs, posts, frames, and uprights must bear on base plates and mud sills, or other adequate firm foundation. Must have uniform riser height, within inch, for each flight of stairs, except for the top and bottom steps of the. The suspension ropes must be long enough to allow the scaffold to be lowered to the level below without the rope passing through the hoist, or the end of the rope configured to prevent the end from passing through the hoist. Ties, guys, braces, or outriggers shall be used to prevent the tipping of supported scaffolds in all circumstances where an eccentric load, such as a cantilevered work platform, is applied or is transmitted to the scaffold. [29 CFR 1926.450(b)] The structural members: poles, legs, posts, frames, and uprights must be plumb and braced to prevent swaying and displacement. Note to paragraph (g)(1): The fall protection requirements for employees installing suspension scaffold support systems on floors, roofs, and other elevated surfaces are set forth in subpart M of this part. Flowable material, such as sand or water, cannot be used. Except as provided in paragraphs (b)(2)(i) and (b)(2)(ii) of this section, each scaffold platform and walkway shall be at least 18 inches (46 cm) wide. Gears and brakes of power-operated hoists used on suspension scaffolds shall be enclosed. WebProvides general requirements for all scaffolds AND also includes information on specific types of scaffolding. [29 CFR 1926.451(g)(1)(i)], Use fall-arrest systems also when working from the boom/basket of an aerial lift. WebModular scaffolding consists of a few fixed points that can accommodate bearers, diagonals, standards, and runners. When midrails, screens, mesh, intermediate vertical members, solid panels, or equivalent structural members are used, they shall be installed between the top edge of the guardrail system and the scaffold platform. Riser height shall be uniform, within 1/4 inch, (0.6 cm) for each flight of stairs. Must be specifically designed for the type of scaffold with which they are used. [29 CFR 1926.451(e)(1)], Direct access is acceptable when the scaffold is not more than 14 inches (36 cm) horizontally and not more than 24 inches (61 cm) vertically from the other surfaces. Guardrail height. type of scaffold (tube and fitting or system) maximum bay lengths. Wondering about scaffold guardrail height requirements? What are the access requirements for employees erecting and dismantling supported scaffolds? Outrigger beams which are not stabilized by bolts or other direct connections to the floor or roof deck shall be secured by tiebacks. Provides general requirements for all scaffolds And, platforms on supported scaffolds should be placed securely on an appropriate firm base foundation thats level and sound. Stair-rails and handrails must be designed and constructed to prevent punctures, lacerations, snagged clothing, and projection. In the general industry, the height requirement for scaffolding is 4 feet above a lower level. For construction work, the height requirement is 6 feet above a lower level. All workers 10 feet above a lower level must have fall protection. Thereof, what is the minimum height for working at height? The Work at Height Regulations 2005 protect Midrails, screens, mesh, intermediate vertical members, solid panels, and equivalent structural members of a guardrail system shall be capable of withstanding, without failure, a force applied in any downward or horizontal direction at any point along the midrail or other member of at least 75 pounds (333 n) for guardrail systems with a minimum 100 pound toprail capacity, and at least 150 pounds (666 n) for guardrail systems with a minimum 200 pound toprail capacity. When intermediate members (such as balusters or additional rails) are used, they shall not be more than 19 inches (48 cm) apart. [29 CFR 1926.451(a)(6)] Scaffolds and scaffold components must not be loaded in excess of their maximum intended loads or rated capacities, whichever is less. WebRequirements for Scaffolding Tower Use of Safety Harness Safe place and Safe person strategy You can read regulation of Trakhees, in detail. Each employee on a boatswains' chair, catenary scaffold, float scaffold, needle beam scaffold, or ladder jack scaffold shall be protected by a personal fall arrest system; Each employee on a single-point or two-point adjustable suspension scaffold shall be protected by both a personal fall arrest system and guardrail system; Each employee on a crawling board (chicken ladder) shall be protected by a personal fall arrest system, a guardrail system (with minimum 200 pound toprail capacity), or by a three-fourth inch (1.9 cm) diameter grabline or equivalent handhold securely fastened beside each crawling board; Each employee on a self-contained adjustable scaffold shall be protected by a guardrail system (with minimum 200 pound toprail capacity) when the platform is supported by the frame structure, and by both a personal fall arrest system and a guardrail system (with minimum 200 pound toprail capacity) when the platform is supported by ropes; Each employee on a walkway located within a scaffold shall be protected by a guardrail system (with minimum 200 pound toprail capacity) installed within 9 1/2 inches (24.1 cm) of and along at least one side of the walkway. How to reduce the risk of injury when using bakers scaffolds For all scaffolds not otherwise specified in paragraphs (g)(1)(i) through (g)(1)(vi) of this section, each employee shall be protected by the use of personal fall arrest systems or guardrail systems meeting the requirements of paragraph (g)(4) of this section. Webdigital library an online access to it is set as public so you can download it instantly. Counterweights shall not be removed from an outrigger beam until the scaffold is disassembled. Scaffold Must have uniform tread depth, within inch, for each flight of stairs. This section does not apply to aerial lifts, the criteria for which are set out exclusively in 1926.453. WebScaffolding Access Requirements 9 out of 10 based on 159 ratings. Sound anchorages include structural members, but do not include standpipes, vents, other piping systems, or electrical conduit. [ 29 CFR 1926.451(a)(1) ] A qualified person must design the scaffolds, which are loaded in Scaffolds are commonly used in construction work so workers have a safe, stable work platform when work cannot be done at ground level or on a finished floor. [. What are the clearance distance between scaffolds and power lines? When the loads specified in paragraph (g)(4)(vii) of this section are applied in a downward direction, the top edge shall not drop below the height above the platform surface that is prescribed in paragraph (g)(4)(ii) of this section. [29 CFR 1926.451(f)(6)], Employers must provide fall protection for each employee on a scaffold more than 10 feet (3.1 m) above a lower level. May forklifts, front-end loaders, or similar equipment support platforms? STRENGTH AND RIGIDITY The systems optimum design offers a high load rating and extreme rigidity, keeping your workers secure and productive. 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