Independent support lines and suspension ropes shall not be attached to the same points of anchorage. Scaffolds are commonly used in construction work so workers have a safe, stable work Ladders used to access scaffolds and work platforms shall be in compliance with the requirements of . Each scaffold stairway shall be at least 18 inches (45.7 cm) wide between stairrails. 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). 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. What types of scaffolds does the standard prohibit? Safe points of anchorage include structural members of buildings, but do not include standpipes, vents, other piping systems, electrical conduit, outrigger beams, or counterweights. Crossbracing is acceptable in place of a midrail when the crossing point of two braces is between 20 inches (0.5 m) and 30 inches (0.8 m) above the work platform or as a toprail when the crossing point of two braces is between 38 inches (0.97 m) and 48 inches (1.3 m) above the work platform. [29 CFR 1926.450(b)] The structural members: poles, legs, posts, frames, and uprights must be plumb and braced to prevent swaying and displacement. WebIndependent Scaffolds Made to order specialist access requirements Tank Scaffolds Span Deck Walkways Mobiles Temporary Fencing Power Climber Swinging Stages Modular Swinging Stages Astro Winches (air and electric) Building Maintenance Units Genie Scissor & Boom Lifts, AWP30, Material Lifters Material Lifts Superlift Genie Lifts Boom Lifts DESIGN & ENGINEERING. 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. [. Sound anchorages do not include standpipes, vents, other piping systems, or electrical conduit. Must have their lowest rung no more than 24 inches above the level on which the scaffold is supported. Scaffold components manufactured by different manufacturers shall not be modified in order to intermix them unless a competent person determines the resulting scaffold is structurally sound. [29 CFR 1926.451(g)(3)(i)], No. [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. When a guardrail system is used, the guardrail height must be increased in height equal to the height of the stilts. What are the fall protection requirements for all scaffolds? 724-452-8300. 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. 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. The stall load of any scaffold hoist shall not exceed 3 times its rated load. Occupational Safety & Health Administration, Occupational Safety and Health Administration, Outreach Training Program (10- and 30-hour Cards), OSHA Training Institute Education Centers, Worker Deaths by Falls: A Summary of Surveillance Findings and Investigative Case Reports, Severe Storm and Flood Recovery Assistance. Direct connections to roofs and floors, and counterweights used to balance adjustable suspension scaffolds, shall be capable of resisting at least 4 times the tipping moment imposed by the scaffold operating at the rated load of the hoist, or 1.5 (minimum) times the tipping moment imposed by the scaffold operating at the stall load of the hoist, whichever is greater. [29 CFR 1926.451(f)(1)] Load carrying timber members should be a minimum of 1,500 lb-f/in2 construction grade lumber. What are the footing and foundation requirements for supported scaffolds? Scaffolding Access Egress Requirements. "Access." The platform must not deflect more than 1/60 of the span when loaded. Safety Scaffolding Training The load end of wire suspension ropes shall be equipped with proper size thimbles and secured by eyesplicing or equivalent means. Non-uniform rung spacing caused by joining end frames together is allowed, provided the resulting spacing does not exceed 16 3/4 inches (43 cm). [29 CFR 1926.451(a)(2)], Only those items specifically designed as counterweights must be used. [29 CFR 1926.450(b)]. the tail line is guided, retained, or both, so that it does not become grounded. Each ladder jack scaffold, top plate bracket scaffold, roof bracket scaffold, and pump jack scaffold shall be at least 12 inches (30 cm) wide. [29 CFR 1926.451 (a) (1)] Each scaffold platform and walkway must be at least 18 inches (46 cm) wide, guardrails and/or personal fall arrest systems must be used. The following chart illustrated the type of fall protection required for specific scaffolds. A safe point of access should be present during erection and dismantling operations. 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). When horizontal lifelines are used, they shall be secured to two or more structural members of the scaffold, or they may be looped around both suspension and independent suspension lines (on scaffolds so equipped) above the hoist and brake attached to the end of the scaffold. Outrigger beams shall be placed perpendicular to its bearing support (usually the face of the building or structure). Install guys, ties, or braces at the closest horizontal member to the 4:1 height and repeat vertically with the top restraint no further than the 4:1 height from the top. Suspension ropes supporting adjustable suspension scaffolds shall be of a diameter large enough to provide sufficient surface area for the functioning of brake and hoist mechanisms. [29 CFR 1926.452(y)], NOTE: A large area scaffold consists of a pole, tube, and coupler systems, or a fabricated frame scaffold erected over substantially the entire work area. 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. [, When lanyards are connected to horizontal lifelines or structural members on single-point or two-point adjustable scaffolds, the scaffold must have additional independent support lines equal in number and strength to the suspension lines and have automatic locking devices. [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. Access ladders must extension ladders are being used to access Web(1) When scaffold platforms are more than 2 feet (0.6 m) above or below a point of access, portable ladders, hook-on ladders, attachable ladders, stair towers (scaffold stairways/towers), stairway-type ladders (such as ladder stands), ramps, walkways, integral prefabricated scaffold access, or direct access from another scaffold, structure, What are the requirements for work on platforms cluttered with debris? [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. Footings shall be level, sound, rigid, and capable of supporting the loaded scaffold without settling or displacement. 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). Toeboards shall be securely fastened in place at the outermost edge of the platform and have not more than 1/4 inch (0.7 cm) clearance above the walking/working surface. Such materials cannot be used as counterweights. [29 CFR 1926.451(g)(3)(iii) and 29 CFR 1926.451(g)(3)(iv)], When working from an aerial lift, attach the fall-arrest system to the boom or basket. [29 CFR 1926.451(f)(8)], The standard does require specific clearance distances. WORKERS MUST USE FALL PROTECTION WHEN WORKING FROM THIS SCAFFOLD Green: SCAFFOLD IS OK FOR USE Tag must include the scaffold capacity: Riser height shall be uniform, within 1/4 inch, (0.6 cm) for each flight of stairs. Some jurisdictions also incorporate the requirements in voluntary standards, such as CSA S269.2-M87 Access WebScaffolding, 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. 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. Except as provided in paragraphs (b)(3)(i) and (ii) of this section, the front edge of all platforms shall not be more than 14 inches (36 cm) from the face of the work, unless guardrail systems are erected along the front edge and/or personal fall arrest systems are used in accordance with paragraph (g) of this section to protect employees from falling. c) Added guidance for assessing base soil conditions. Tiebacks shall be installed perpendicular to the face of the building or structure, or opposing angle tiebacks shall be installed. The following equipment is often required for scaffolding fall protection: Full-Body Harness This is a support device consisting of connected straps that are designed to distribute the force from a fall. ABOUT US. 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. each suspension rope and any other independent lines are insulated from grounding. Front-end loaders and similar pieces of equipment shall not be used to support scaffold platforms unless they have been specifically designed by the manufacturer for such use. WebPublic Access Stair Towers | Pedestrian Access Stairs | Temporary ADA Ramp. Must be specifically designed and constructed for use as ladder rungs. Note to paragraph (b)(2)(i): Pursuant to an administrative stay effective November 29, 1996 and published in the Federal Register on November 25, 1996, the requirement in paragraph (b)(2)(i) that roof bracket scaffolds be at least 12 inches wide is stayed until November 25, 1997 or until rulemaking reguarding the minimum width of roof bracket scaffolds has been completed, whichever is later. 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. Each platform greater than 10 feet in length shall not extend over its support more than 18 inches (46 cm), unless it is designed and installed so that the cantilevered portion of the platform is able to support employees without tipping, or has guardrails which block employee access to the cantilevered end. The scaffold is only acceptable as an anchorage point if it meets the strength requirements for an anchorage as defined above. Employees that are more than 10 feet off the ground need to be protected by using fall arrest 2. Must have uniform riser height, within inch, for each flight of stairs, except for the top and bottom steps of the. When conditions warrant, the height of the top edge may exceed the 45-inch height, provided the guardrail system meets all other criteria of paragraph (g)(4). [29 CFR 1926.451(e)(1)], Effective September 2, 1997, employees erecting and dismantling supported scaffolding must have a safe means of access provided when a competent person has determined the feasibility and analyzed the site conditions. Guardrails meeting the requirements of paragraph (g)(4) of this section shall be provided on the open sides and ends of each landing. Guardrail height. All suspension scaffold support devices, such as outrigger beams, cornice hooks, parapet clamps, and similar devices, shall rest on surfaces capable of supporting at least 4 times the load imposed on them by the scaffold operating at the rated load of the hoist (or at least 1.5 times the load imposed on them by the scaffold at the stall capacity of the hoist, whichever is greater). Two tie-backs installed at opposing angles are required when a perpendicular tieback cannot be installed. 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. WebA mobile scaffold can only be built to a maximum height of 12 metres. Must not be used as work platforms when rungs are less than 11 inches, unless each employee uses. Each employee on a scaffold more than 10 feet (3.1 m) above a lower level shall be protected from falling to that lower level. WebPurely relying on the expertise of a Scaffold contractor will not meet the accreditation requirements. First, it's important to note that there are two strength requirements: 5,000 pounds per employee or maintaining a 2-to-1 safety factor. A stairrail consisting of a toprail and a midrail shall be provided on each side of each scaffold stairway. Each end of a platform, unless cleated or otherwise restrained by hooks or equivalent means, shall extend over the centerline of its support at least 6 inches (15 cm). Unstable objects shall not be used to support scaffolds or platform units. Direct access to or from another surface shall only be used when the scaffold is not more than 14 inches horizontally and 24 inches vertically from the other surface. 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. Handrails, and toprails that serve as handrails, shall provide an adequate handhold for employees grasping them to avoid falling. When intermediate members (such as balusters or additional rails) are used, they shall not be more than 19 inches (48 cm) apart. 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. Have a maximum spacing between rungs of 16 3/4 inches (43 cm). [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. Are there specific requirements for outrigger beams? 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. At all points of a scaffold where the platform changes direction, such as turning a corner, any platform that rests on a bearer at an angle other than a right angle shall be laid first, and platforms which rest at right angles over the same bearer shall be laid second, on top of the first platform. Manila or plastic (or other synthetic) rope being used for toprails or midrails shall be inspected by a competent person as frequently as necessary to ensure that it continues to meet the strength requirements of paragraph (g) of this section. Swaged attachments or spliced eyes on wire suspension ropes shall not be used unless they are made by the wire rope manufacturer or a qualified person. Must have their bottom step no more than 24 inches above the level on which the scaffold is supported. 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. Tiebacks shall be secured to a structurally sound anchorage on the building or structure. Canopies, when used for falling object protection, shall comply with the following criteria: Canopies shall be installed between the falling object hazard and the employees. Except as provided in paragraphs (a)(2), (a)(3), (a)(4), (a)(5) and (g) of this section, each scaffold and scaffold component shall be capable of supporting, without failure, its own weight and at least 4 times the maximum intended load applied or transmitted to it. [29 CFR 1926.451(g)(1)(vii)], Use fall-arrest systems when working from the following types of scaffolding: boatswain's chair, catenary, float, needle beam, ladder, and pump jack. Single tiebacks installed at an angle are prohibited. 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. This provision does not preclude the use of common support members, such as "T" sections, to support abutting planks, or hook on platforms designed to rest on common supports. EQUIPMENT. [, Emergency escape and rescue devices must not be used as working platforms, unless designed to function as suspension scaffolds and emergency systems. Where scaffolds must be used in areas that the employer can demonstrate are so narrow that platforms and walkways cannot be at least 18 inches (46 cm) wide, such platforms and walkways shall be as wide as feasible, and employees on those platforms and walkways shall be protected from fall hazards by the use of guardrails and/or personal fall arrest systems. Zelienople, PA 16063. [29 CFR 1926.451(e)], Shore and lean-to scaffolds are strictly prohibited. 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. The 10 OSHA scaffolding requirements are as follows: Fall Protection Employees more than ten feet off the ground need to be protected using guardrails or other fall arrest systemsexcept for employees on single or two-point adjustable suspension scaffolds. platform boarding arrangement and the number of boarded lifts that Scaffolds and scaffold components shall not be loaded in excess of their maximum intended loads or rated capacities, whichever is less. [29 CFR 1926.451(d)(3)(viii)], Tiebacks must be secured to a structurally sound anchorage on the building or structure. Debris shall not be allowed to accumulate on platforms. b) Additional requirements for training of scaffold users and inspectors. [29 CFR 1926.451(f)(13)], Each scaffold platform and walkway must be at least 18 inches (46 cm) wide, guardrails and/or personal fall arrest systems must be used. [29 CFR 1926.451(d)(13)], These hoists require a positive crank force to descend. When an outrigger beam is used, the shackle or clevis with which the rope is attached to the outrigger beam shall be placed directly over the center line of the stirrup. The top guy, tie or brace of completed scaffolds shall be placed no further than the 4:1 height from the top. [, All support devices must rest on surfaces capable of supporting at least four times the load imposed on them by the scaffold when operating at the rated load of the hoist, or at least one-and-a-half times the load imposed on them by the scaffold at the stall capacity of the hoist, whichever is greater. Sound points of anchorage include structural members, but do not include standpipes, vents, other piping systems, or electrical conduit. Where swinging loads are being hoisted onto or near scaffolds such that the loads might contact the scaffold, tag lines or equivalent measures to control the loads shall be used. Must have a minimum rung length of 11 inches, and a maximum space between rungs of 16 inches. Hook-on and attachable ladders shall be specifically designed for use with the type of scaffold used; Hook-on and attachable ladders shall have a minimum rung length of 11 1/2 inches (29 cm); and. A landing platform at least 18 inches (45.7 cm) wide by at least 18 inches (45.7 cm) long shall be provided at each level. Gasoline-powered equipment and hoists shall not be used on suspension scaffolds. Properly installed scaffolding provides a safe and stable work platform, but safety is only as strong as its foundation. [29 CFR 1926.451(g)(1)], To ensure adequate protection, install guardrails along all open sides and ends before releasing the scaffold for use by employees, other than the erection and dismantling crews. [, A competent person must inspect ropes for defects prior to each workshift and after every occurrence that could affect a rope's integrity. Stilts may be used on a large area scaffold. Steps and rungs of ladders and stairways must line up vertically with each other between rest platforms. WebOnly five main components are required for basic use and the only erection tools required are a hammer and level. Stair-rails and handrails must be designed and constructed to prevent punctures, lacerations, snagged clothing, and projection. The maximum distance from the face for outrigger scaffolds shall be 3 inches (8 cm); The maximum distance from the face for plastering and lathing operations shall be 18 inches (46 cm). Outrigger beams which are not stabilized by bolts or other direct connections to the floor or roof deck shall be secured by tiebacks. Non-mandatory Appendix A to this subpart contains examples of criteria that will enable an employer to comply with paragraph (a) of this section. When can welding be done from a suspension scaffold? The standard prohibits using repaired wire. 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Objects shall not exceed 3 times its rated load than 11 inches, and a space... At least four times the intended load outrigger beams shall be scaffold access requirements with proper size thimbles and secured tiebacks... And stairways must line up vertically with each other between rest platforms required a... Present during erection and dismantling operations other piping systems, or both, so that does. Following chart illustrated the type of fall protection requirements for all scaffolds, vents, other piping systems or... Is guided, retained, or both, so that it does not become.! And bottom steps of the building or structure ) stairrail consisting of scaffold...