What are the capacity requirements for all scaffolds? Can sand, masonry units, or rolls of roofing felt be used for counterweights? [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. Such materials cannot be used as counterweights. 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 personal fall-arrest system is a system used to arrest an employee in a fall from a working level. Employees shall be prohibited from working on scaffolds covered with snow, ice, or other slippery material except as necessary for removal of such materials. In these situations, only the planking that the employer establishes is necessary to provide safe working conditions is required. Kinks that might impair the tracking or wrapping of rope around the drum(s) or sheave(s). [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. 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. Suspension scaffold power-operated hoists and manual hoists shall be tested by a qualified testing laboratory. The second part is sufficient clearance. WebScaffolding Access Requirements 9 out of 10 based on 159 ratings. 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. Each stairway must be at least 18 inches between stair rails. Mobile Some 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. Single tiebacks installed at an angle are prohibited. Each end of a platform 10 feet or less in length shall not extend over its support more than 12 inches (30 cm) unless the platform is designed and installed so that the cantilevered portion of the platform is able to support employees and/or materials without tipping, or has guardrails which block employee access to the cantilevered end. Handrails, and toprails that serve as handrails, shall provide an adequate handhold for employees grasping them to avoid falling. a grounding conductor is connected from the scaffold to the structure and is at least the size of the welding lead. Treads and landings shall have slip-resistant surfaces. WebScaffold design. [, 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. 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. [29 CFR 1926.454(a)], Supported scaffolds with a height to base width ratio of more than 4:1 must be restrained by guying, tying, bracing, or an equivalent means. Severe Storm and Flood Recovery Assistance, Personal fall-arrest system, or a guardrail system, or a inch (1.9 cm) diameter grabline or equivalent handhold securely fastened beside each crawling board, Both a personal fall-arrest system and a guardrail system, Single-point and two-point suspension scaffolds, Personal fall-arrest system or guardrail system, Personal fall-arrest system or guardrail systems that meet the required criteria, Scaffolding : General Requirements for Scaffolds, When the front end of all platforms are less than 14 inches (36 cm) from the face of the work. Stairways must be installed between 40 degrees and 60 degrees from the horizontal. 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. Scaffold planking must be able to support, without failure, its own weight and at least four times the intended load. Ladders shall not be used on scaffolds to increase the working level height of employees, except on large area scaffolds where employers have satisfied the following criteria: When the ladder is placed against a structure which is not a part of the scaffold, the scaffold shall be secured against the sideways thrust exerted by the ladder; The platform units shall be secured to the scaffold to prevent their movement; The ladder legs shall be on the same platform or other means shall be provided to stabilize the ladder against unequal platform deflection, and. Manually operated hoists shall require a positive crank force to descend. Must have a minimum step width of 16 inches, except that mobile stairway-type ladders shall have a minimum step width of 11 inches. [29 CFR 1926.450(b)] The structural members: poles, legs, posts, frames, and uprights must be plumb and braced to prevent swaying and displacement. [29 CFR 1926.451(e)(8)], The standard prohibits the use of crossbraces as a means of access. Window cleaners' anchors shall not be used for this purpose. What are scaffold platform construction requirements? The manufacturer must approve any alterations to the stilts. 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. WebAccess points may be designed for access or be opportunistic. Webdigital library an online access to it is set as public so you can download it instantly. [29 CFR 1926.451(f)(8)], The standard does require specific clearance distances. Must not be used as work platforms when rungs are less than 11 inches, unless each employee uses. Our Office Location. Steps and rungs of ladder and stairway type access shall line up vertically with each other between rest platforms. 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). Fork-lifts shall not be used to support scaffold platforms unless the entire platform is attached to the fork and the fork-lift is not moved horizontally while the platform is occupied. Six randomly distributed broken wires in one rope lay or three broken wires in one strand in one rope lay. 22.A.03 Prior to commencing any activity that requires work in elevated areas, all provisions for access and fall protection shall be delineated in the Site-Specific Fall [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. 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). [ 29 CFR 1926.451(a)(1) ] A qualified person must design the scaffolds, which are loaded in [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. A canopy structure, debris net, or catch platform strong enough to withstand the impact forces of the potential falling objects shall be erected over the employees below. 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. Construction materials such as, but not limited to, masonry units and rolls of roofing felt, shall not be used as counterweights. Scaffolds must be equipped with proper access and may include dual access as necessary. NY Scaffold is the leading specialty Scaffold Erector Company covering the whole of the US. 10 OSHA Scaffolding Requirements 1. 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). 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. The ends of stairrail systems and handrails shall be constructed so that they do not constitute a projection hazard. Portable, hook-on, and attachable ladders (Additional requirements for the proper construction and use of portable ladders are contained in subpart X of this part -- Stairways and Ladders): Portable, hook-on, and attachable ladders shall be positioned so as not to tip the scaffold; Hook-on and attachable ladders shall be positioned so that their bottom rung is not more than 24 inches (61 cm) above the scaffold supporting level; When hook-on and attachable ladders are used on a supported scaffold more than 35 feet (10.7 m) high, they shall have rest platforms at 35-foot (10.7 m) maximum vertical intervals. Use your safety belts and lanyards when working on scaffolding at a height of 10 feet or more above ground level. Access ladders must extension ladders are being used to access WebOnly five main components are required for basic use and the only erection tools required are a hammer and level. WebModular scaffolding consists of a few fixed points that can accommodate bearers, diagonals, standards, and runners. 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). Each scaffold stairway shall be at least 18 inches (45.7 cm) wide between stairrails. Any part of a scaffold damaged or weakened such that its strength is less than that required by paragraph (a) of this section shall be immediately repaired or replaced, braced to meet those provisions, or removed from service until repaired. [29 CFR 1926.451(d)(3)(ix) and 29 CFR 1926.451(d)(5)], A single tieback must be installed perpendicular to the face of the building or structure. May forklifts, front-end loaders, or similar equipment support platforms? The use of repaired wire rope as suspension rope is prohibited. [, When outrigger scaffolds are 3 inches (8 cm) or less from the front edge. 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. [29 CFR 1926.451(c)(2)(iv)]. Zelienople, PA 16063. This basically means that the ladder rungs should have sufficient clear space behind them to allow a foot or hand to make sufficient purchase on the rung. Access requirements for employees erecting or dismantling supported scaffolds are specifically addressed in paragraph (e)(9) of this section. 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. 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. What protections from overhead falling objects do the standards provide? Horizontally - at each end; at intervals not to exceed 30 feet (9.1 m) from one end. 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. Vertically - every 20 feet (6.1 m) or less for scaffolds less than 3 feet (0.91 m) wide; every 26 feet (7.9 m) or less for scaffolds more than 3 feet (0.91 m) wide. However, OSHA permits direct access from another scaffold, structure, or personnel hoist. 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. Weba) Criteria is based on a new edition of CSA S269.2 (scaffold design and engineering standard). 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 tail line is guided, retained, or both, so that it does not become grounded. 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. platform boarding arrangement and the number of boarded lifts that Debris shall not be allowed to accumulate on platforms. [29 CFR 1926.451(c)(1)]. [29 CFR 1926.451(a)(1)] A qualified person must design the scaffolds, which are loaded in accordance with that design. Handrails, and toprails that are used as handrails, shall be at least 3 inches (7.6 cm) from other objects. 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. This standard requires the scaffold to resist tipping against two times or more the load exerted on it when a worker accesses, uses, or exits it. Are guardrails required on all open sides of scaffolding? 06/16/1999 - Scaffolds: Lifelines, support lines, and suspension ropes cannot have a common anchor point. WebDetermines that 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 Suspension scaffold outrigger beams shall be: Provided with stop bolts or shackles at both ends; Securely fastened together with the flanges turned out when channel iron beams are used in place of I-beams; Installed with all bearing supports perpendicular to the beam center line; Set and maintained with the web in a vertical position; and. Steps and rungs of ladders and stairways must line up vertically with each other between rest platforms. [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. 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