When can personal fall-arrest systems be used when working on scaffolding and aerial lifts? [29 CFR 1926.451 (b) (2)] Independent support lines and suspension ropes shall not be attached to the same points of anchorage. The load end of wire suspension ropes shall be equipped with proper size thimbles and secured by eyesplicing or equivalent means. 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. This is fine for most residential work, but if your next build is a commercial project you may find it wont create a high enough working platform. WebScaffold design. Crossbraces shall not be used as a means of access. Steps and rungs of ladder and stairway type access shall line up vertically with each other between rest platforms. 06/16/1999 - Scaffolds: Lifelines, support lines, and suspension ropes cannot have a common anchor point. Sound anchorages do not include standpipes, vents, other piping systems, or electrical conduit. 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. Access Requirements Stairtowers (Scaffold Stairway/Towers) Stairtowers must be positioned so their bottom step is not more than 24 inches above the scaffold supporting level. WebIntegral prefabricated scaffold access frames must be designed and constructed for use as ladder rungs, and cannot be used as work platforms when rungs are less than 11.5 inches in 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, Unstable objects shall not be used to support scaffolds or platform units. ABOUT US. Evidence that the secondary brake has been activated during an overspeed condition and has engaged the suspension rope. Provides general requirements for all scaffolds Counterweights shall not be removed from an outrigger beam until the scaffold is disassembled. WebEmployees must pass a written exam and performance evaluation demonstration and must be authorized to operate said equipment. Guardrail systems shall be installed before the scaffold is released for use by employees other than erection/dismantling crews. Riser height shall be uniform, within 1/4 inch, (0.6 cm) for each flight of stairs. This paragraph applies to scaffold access for all employees. The use of shore or lean-to scaffolds is prohibited. Must be specifically designed and constructed for use as ladder rungs. Must have rest platforms at 35-foot maximum intervals on all supported scaffolds more than 35 feet high. WebInspects scaffold and attaches at the access point(s) the appropriate tag: Red: DO NOT USE, SCAFFOLD IS BEING ERECTED OR DISMANTLED Yellow: SCAFFOLD DOES NOT MEET OSHA REQUIREMENTS. Webdigital library an online access to it is set as public so you can download it instantly. 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). All scaffolding must be equipped with toeboards, midrails, and guardrails. NY Scaffold is the leading specialty Scaffold Erector Company covering the whole of the US. [29 CFR 1926.451(d)(3)(x)]. 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)(vii)], Use fall-arrest systems when working from the following types of scaffolding: boatswain's chair, catenary, float, needle beam, ladder, and pump jack. 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). WebModular scaffolding consists of a few fixed points that can accommodate bearers, diagonals, standards, and runners. What materials can be used to increase the working level height of employees on supported scaffolds? Any of these independent modules or units should form a base. Two tie-backs installed at opposing angles are required when a perpendicular tieback cannot be installed. 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. 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. Such materials cannot be used as counterweights. In addition to meeting the requirements of 1926.502(d), personal fall arrest systems used on scaffolds shall be attached by lanyard to a vertical lifeline, horizontal lifeline, or scaffold structural member. What are the clearance distance between scaffolds and power lines? Stairrail systems and handrails shall be surfaced to prevent injury to employees from punctures or lacerations, and to prevent snagging of clothing. 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. [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. [, 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. 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 This determination shall be based on site conditions and the type of scaffold being erected or dismantled. Unsafe scaffolding has the potential to result Gasoline-powered equipment and hoists shall not be used on suspension scaffolds. The ends of all rails shall not overhang the terminal posts except when such overhang does not constitute a projection hazard to employees. The space must not exceed 9 inches (24.1 cm) when side brackets or odd-shaped structures result in a wider opening between the platform and the uprights. Treads and landings shall have slip-resistant surfaces. Paragraph (g)(2) of this section addresses fall protection for scaffold erectors and dismantlers. WebDesign requirements for bakers scaffolds are referenced in CSA S269.2 Access Scaffolding for Construction Purposes. Must have slip-resistant surfaces on all treads and landings. 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). 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. 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. [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. Does a scaffold meet the requirements of 1926.502 (d) (15)? Give Us a Call. 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. 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. Where do tiebacks for outrigger beams, cornice hooks, roof hooks, roof irons, parapet clamps, or similar devices need to be secured? 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. 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(a)(5)], The stall load is the load at which the prime-mover (motor or engine) of a power-operated hoist stalls or the power to the prime-mover is automatically disconnected. Tiebacks shall be installed perpendicular to the face of the building or structure, or opposing angle tiebacks shall be installed. WebWhen 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 Paragraphs (g)(1)(i) through (vii) of this section establish the types of fall protection to be provided to the employees on each type of scaffold. [. [29 CFR 1926.451(g)(1)], To protect employees from falling hand tools, debris, and other small objects, install toeboards, screens, guardrail systems, debris nets, catch platforms, canopy structures, or barricades. 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. b) Additional requirements for training of scaffold users and inspectors. When other types of hoists are used, the suspension ropes shall be long enough to allow the scaffold to be lowered to the level below without the rope end passing through the hoist, or the rope end shall be configured or provided with means to prevent the end from passing through the hoist. Suspension scaffold outrigger beams, when used, shall be made of structural metal or equivalent strength material, and shall be restrained to prevent movement. There are no specific requirements under these rules that address access gates in scaffold configurations incorporating a ladder-access to the work platform in In these situations, only the planking that the employer establishes is necessary to provide safe working conditions is required. When winding drum hoists are used on a suspension scaffold, they shall contain not less than four wraps of the suspension rope at the lowest point of scaffold travel. 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. The first section of scaffold must have two ladder brackets and each subsequent section above needs one bracket. Direct access to or from another surface shall be used only when the scaffold is not more than 14 inches (36 cm) horizontally and not more than 24 inches (61 cm) vertically from the other surface. [29 CFR 1926.451(f)(11)], Power-operated hoists used to raise or lower a suspended scaffold must be tested by a qualified testing laboratory. [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 Scaffolding is Needed The very short answer is: when a risk assessment outlines it is necessary! A risk assessment is a legal requirement to carry out when employees are on a working at height project, but not legally required in personal projects, although you should take safety seriously and conduct one yourself. Properly installed scaffolding provides a safe and stable work platform, but safety is only as strong as its foundation. Must be uniformly spaced within each frame section. [29 CFR 1926.451(d)(6)], Gears and brakes must be enclosed. On scaffolds where platforms are overlapped to create a long platform, the overlap shall occur only over supports, and shall not be less than 12 inches (30 cm) unless the platforms are nailed together or otherwise restrained to prevent movement. Cross braces on tubular welded frame scaffolds shall not be used as a means of access or egress. Single tiebacks installed at an angle are prohibited. A personal fall-arrest system is a system used to arrest an employee in a fall from a working level. [, 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. The ladder legs shall be secured to prevent them from slipping or being pushed off the platform. Fall protection includes guardrail systems and personal fall arrest systems. Hook-on and attachable ladders shall have uniformly spaced rungs with a maximum spacing between rungs of 16 3/4 inches. Devices whose sole function is to provide emergency escape and rescue shall not be used as working platforms. [29 CFR 1926.453(b)(2)(v) and 29 CFR 1926.451(g)(3)], Vertical or horizontal lifelines may be used. When erecting or dismantling tubular welded frame scaffolds, (end) frames, with horizontal members that are parallel, level and are not more than 22 inches apart vertically may be used as climbing devices for access, provided they are erected in a manner that creates a usable ladder and provides good hand hold and foot space. Tread depth shall be uniform, within 1/4 inch, for each flight of stairs. What types of scaffolds does the standard prohibit? Such activities shall be performed only by experienced and trained employees selected for such work by the competent person. ENGINEERED ACCESS SOLUTIONS. When intermediate members (such as balusters or additional rails) are used, they shall not be more than 19 inches (48 cm) apart. Steel or plastic banding shall not be used as a toprail or midrail. Are there specific requirements for outrigger beams? Scaffolds shall be designed by a qualified person and shall be constructed and loaded in accordance with that design. What exactly is sufficient clear space? Counterweights shall be secured by mechanical means to the outrigger beams to prevent accidental displacement. WebScaffolding Access Requirements 9 out of 10 based on 159 ratings. At least three and one-half inches (9 cm) high from the top edge of the toeboard to the level of the walking/working surface. [29 CFR 1926.451(d)(7)], Drum hoists must contain no less than four wraps of the rope at the lowest point. [29 CFR 1926.451(g)(3)(i)], No. What Are the Requirements for Supported Scaffolds? 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. DESIGN & ENGINEERING. Suspension ropes shall be shielded from heat-producing processes. When wire rope clips are used on suspension scaffolds: There shall be a minimum of 3 wire rope clips installed, with the clips a minimum of 6 rope diameters apart; Clips shall be installed according to the manufacturer's recommendations; Clips shall be retightened to the manufacturer's recommendations after the initial loading; Clips shall be inspected and retightened to the manufacturer's recommendations at the start of each workshift thereafter; U-bolt clips shall not be used at the point of suspension for any scaffold hoist; When U-bolt clips are used, the U-bolt shall be placed over the dead end of the rope, and the saddle shall be placed over the live end of the rope. Non-mandatory Appendix A to this subpart contains examples of criteria that will enable an employer to comply with paragraph (a) of this section. The harness is worn over What are the requirements for suspension scaffolds? Must have their lowest rung no more than 24 inches above the level on which the scaffold is supported. Scaffolds shall be designed by a qualified person and shall be constructed and loaded in accordance with that design. Safe points of anchorage include structural members of buildings, but do not include standpipes, vents, other piping systems, electrical conduit, outrigger beams, or counterweights. 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. Also see, OSHA Standards Interpretation and Compliance Letter: 09/30/1999 - Forklifts in construction: Elevating personnel and operator training. What are the specific requirements for counterweights? [29 CFR 1926.451(d)(6)], Employers must replace wire rope when the following conditions exist: kinks; six randomly broken wires in one rope lay or three broken wires in one strand in one lay; one third of the original diameter of the outside wires is lost; heat damage; evidence that the secondary brake has engaged the rope; and any other physical damage that impairs the function and strength of the rope. WebA scaffold is a temporary structure erected to support access or working platforms. Stairtowers (scaffold stairway/towers) shall be positioned such that their bottom step is not more than 24 inches (61 cm.) What protections from overhead falling objects do the standards provide? 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. In addition to the normal operating brake, suspension scaffold power-operated hoists and manually operated hoists shall have a braking device or locking pawl which engages automatically when a hoist makes either of the following uncontrolled movements: an instantaneous change in momentum or an accelerated overspeed. Supported scaffold poles, legs, posts, frames, and uprights shall bear on base plates and mud sills or other adequate firm foundation. [29 CFR 1926.451(g)(1)(i)], Use fall-arrest systems also when working from the boom/basket of an aerial lift. Platforms on supported scaffolds must be braced to prevent displacement and swaying. Scaffolding Legal Requirements of DMCC (Dubai Multi Commodities Centre)-Dubai-UAE Scaffolds (Staging). Flowable material, such as sand or water, cannot be used. The scaffold is only acceptable as an anchorage point if it meets the strength requirements for an anchorage as defined above. "Access." A toeboard shall be erected along the edge of platforms more than 10 feet (3.1 m) above lower levels for a distance sufficient to protect employees below, except on float (ship) scaffolds where an edging of 3/4 x 1 1/2 inch (2 x 4 cm) wood or equivalent may be used in lieu of toeboards; Where tools, materials, or equipment are piled to a height higher than the top edge of the toeboard, paneling or screening extending from the toeboard or platform to the top of the guardrail shall be erected for a distance sufficient to protect employees below; or, A guardrail system shall be installed with openings small enough to prevent passage of potential falling objects; or. Fall arrest systems should protect these employees. The use of shore or lean-to scaffolds is prohibited a handrail, unless a separate handrail provided... Subsequent section above needs one bracket ) shall be designed by a qualified person and shall be constructed loaded... 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