[29 CFR 1926.502(d)] The use of a body belt in a tethering system or in a restraint system is acceptable and is regulated under 29 CFR 1926.502(e). For example: A scaffold erected 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 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. Our Office Location. Must have their lowest rung no more than 24 inches above the level on which the scaffold is supported. Steel or plastic banding shall not be used as a toprail or midrail. Wondering about scaffold guardrail height requirements? Where the employer makes the demonstration provided for in paragraph (b)(1)(i) of this section, the platform shall be planked or decked as fully as possible and the remaining open space between the platform and the uprights shall not exceed 9 1/2 inches (24.1 cm). Platforms shall not deflect more than 1/60 of the span when loaded. WebStandards Scaffolding is addressed in specific OSHA standards for general industry, maritime, and construction. [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. 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). 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. Must have a minimum rung length of 11 inches, and a maximum space between rungs of 16 inches. 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. The end points at each upright shall be no more than 48 inches (1.3 m) apart. Stairtowers (scaffold stairway/towers) shall be positioned such that their bottom step is not more than 24 inches (61 cm.) 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. In addition to wearing hardhats each employee on a scaffold shall be provided with additional protection from falling hand tools, debris, and other small objects through the installation of toeboards, screens, or guardrail systems, or through the erection of debris nets, catch platforms, or canopy structures that contain or deflect the falling objects. [29 CFR 1926.451(h)(1), 29 CFR 1926.451(h)(2) and 29 CFR 1926.451(h)(3)], Occupational Safety & Health Administration, Occupational Safety and Health Administration, Outreach Training Program (10- and 30-hour Cards), OSHA Training Institute Education Centers. 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. Non-mandatory Appendix A to this subpart contains examples of criteria that will enable an employer to comply with paragraph (a) of this section. What are the footing and foundation requirements for supported scaffolds? The top guy, tie or brace of completed scaffolds shall be placed no further than the 4:1 height from the top. Scaffold planking must be able to support, without failure, its own weight and at least four times the intended load. Stairways must be installed between 40 degrees and 60 degrees from the horizontal. Platforms may be coated periodically with wood preservatives, fire-retardant finishes, and slip-resistant finishes; however, the coating may not obscure the top or bottom wood surfaces. WebA pole scaffold, tube and coupler scaffold, system scaffold, or fabricated frame scaffold erected over substantially the entire work area. When are both fall-arrest and guardrail systems required? Employers are required to provide fall protection for employees erecting or dismantling supported scaffolds where the installation and use of such protection is feasible and does not create a greater hazard. [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. Must be positioned so as not to tip the scaffold. 09/30/1999 - Forklifts in construction: Elevating personnel and operator training. [29 CFR 1926.451(d)(3)(ii) and 29 CFR 1926.451(d)(3)(iii)], Outrigger beams (thrustouts) are the structural members of a suspension or outrigger scaffolds that provide support. The second part is sufficient clearance. What are the fall protection requirements for all scaffolds? 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. 10 OSHA Scaffolding Requirements 1. [. Sound points of anchorage include structural members, but do not include standpipes, vents, other piping systems, or electrical conduit. 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. Each platform must be planked and decked as fully as possible with the space between the platform and uprights not more than 1 inch (2.5 cm) wide. 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. 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. 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. [, Ladders, such as portable, hook-on, attachable, and stairway [. Must have their bottom step no more than 24 inches above the level on which the scaffold is supported. [29 CFR 1926.451(d)(13)], The stall load of any scaffold hoist must not exceed three times its rated load. If the slope of a ramp or a walkway is steeper than one (1) vertical in eight (8) horizontal, the ramp or walkway shall have cleats not more than fourteen (14) inches (35 cm) apart which are securely fastened to the planks to provide footing. 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. Have a maximum spacing between rungs of 16 3/4 inches (43 cm). WebTower scaffolds must comply with the standard required for all types of scaffolds, eg double guardrails, toeboards, bracing and access ladder. Heat damage caused by a torch or any damage caused by contact with electrical wires. [ 29 CFR 1926.451(a)(1) ] A qualified person must design the scaffolds, which are loaded in Direct access is acceptable when the scaffold is not more than 14 inches (36 centimeters) horizontally and not more than 24 inches (61centimeters) vertically from the other surfaces. Stilts may be used on a large area scaffold. Some jurisdictions also incorporate the requirements in voluntary standards, such as CSA S269.2-M87 Access When can welding be done from a suspension scaffold? [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. Web5.3.10 Access tower shall be provided at every 30-meter distance for suspended scaffold. [29 CFR 1926.451(d)(3)(viii)], Tiebacks must be secured to a structurally sound anchorage on the building or structure. 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. What are some of the requirements for power-operated suspension scaffold hoists? 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. Guardrail height. the tail line is guided, retained, or both, so that it does not become grounded. platform boarding arrangement and the number of boarded lifts that [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. 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. Effective September 2, 1997, the employer shall have a competent person determine the feasibility and safety of providing fall protection for employees erecting or dismantling supported scaffolds. The scaffolding standard prohibits the There is no minimum width requirement for boatswains' chairs. Treads and landings shall have slip-resistant surfaces. Supported scaffold poles, legs, posts, frames, and uprights shall be plumb and braced to prevent swaying and displacement. If a ladder is used for access, it must be securely linked to the scaffold and rise at least 3 feet above the platform. [29 CFR 1926.451(f)(1)] Load carrying timber members should be a minimum of 1,500 lb-f/in2 construction grade lumber. If there is a tail line below the hoist, it shall be insulated to prevent contact with the platform. The clearance between scaffolds and power lines shall be as follows: Scaffolds shall not be erected, used, dismantled, altered, or moved such that they or any conductive material handled on them might come closer to exposed and energized power lines than as follows: Exception to paragraph (f)(6): Scaffolds and materials may be closer to power lines than specified above where such clearance is necessary for performance of work, and only after the utility company, or electrical system operator, has been notified of the need to work closer and the utility company, or electrical system operator, has deenergized the lines, relocated the lines, or installed protective coverings to prevent accidental contact with the lines. [29 CFR 1926.451(c)(2)(v)], Front-end loaders and similar equipment can support scaffold platforms only when they've been specifically designed by the manufacturer for such use. WebEmployees must pass a written exam and performance evaluation demonstration and must be authorized to operate said equipment. The top-rail of each stair-rail must also be capable of serving as a handrail, unless a separate handrail is provided. Integral prefabricated scaffold access frames shall: Be specifically designed and constructed for use as ladder rungs; Have a rung length of at least 8 inches (20 cm); Not be used as work platforms when rungs are less than 11 1/2 inches in length, unless each affected employee uses fall protection, or a positioning device, which complies with 1926.502; Be uniformly spaced within each frame section; Be provided with rest platforms at 35-foot (10.7 m) maximum vertical intervals on all supported scaffolds more than 35 feet (10.7 m) high; and. Scaffold COF employees receive annual training Webdigital library an online access to it is set as public so you can download it instantly. Steps and rungs of ladders and stairways must line up vertically with each other between rest platforms. When the falling objects are too large, heavy or massive to be contained or deflected by any of the above-listed measures, the employer shall place such potential falling objects away from the edge of the surface from which they could fall and shall secure those materials as necessary to prevent their falling. May forklifts, front-end loaders, or similar equipment support platforms? Personal fall arrest systems can be used on scaffolding when there are no guardrail systems. 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. type of scaffold (tube and fitting or system) maximum bay lengths. WebA scaffold is a temporary structure erected to support access or working platforms. , tube and coupler scaffold, tube and fitting or system ) maximum bay lengths, eg double,! 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