WebA mobile scaffold can only be built to a maximum height of 12 metres. Non-mandatory Appendix A to this subpart contains examples of criteria that will enable an employer to comply with paragraph (a) of this section. Webf. Must have rest platforms at 12-foot maximum intervals. WebNever alter a scaffold structure or extend it. Employees shall be prohibited from working on scaffolds covered with snow, ice, or other slippery material except as necessary for removal of such materials. Steps and rungs of ladders and stairways must line up vertically with each other between rest platforms. Can sand, masonry units, or rolls of roofing felt be used for counterweights? This provision does not preclude the use of systems which are designed to function both as suspension scaffolds and emergency systems. 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). 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 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. Two tie-backs installed at opposing angles are required when a perpendicular tieback cannot be installed. Suspension ropes shall be shielded from heat-producing processes. [, Employers must ensure that all employees are trained to recognize the hazards associated with the type of scaffold being used. 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. [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. The use of shore or lean-to scaffolds is prohibited. 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. [29 CFR 1926.450(b)] They must be placed perpendicular to their bearing support. [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. e) Modified requirements for guardrails. [29 CFR 1926.451(d)(15)], An automatic braking and locking device, in addition to the operating brake, must engage when a hoist makes instantaneous change in momentum or an accelerated overspeed. DESIGN & ENGINEERING. [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. 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. The ladder legs shall be secured to prevent them from slipping or being pushed off the platform. Have slip-resistant treads on all steps and landings. Unstable objects shall not be used to support scaffolds or platform units. Wire suspension ropes shall not be joined together except through the use of eye splice thimbles connected with shackles or coverplates and bolts. Crossbraces shall not be used as a means of access. Tread depth shall be uniform, within 1/4 inch, for each flight of stairs. The platform must not deflect more than 1/60 of the span when loaded. 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. [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. Our Office Location. WebEach scaffolding access ladder section, whether 6ft or 3ft requires a ladder bracket. The stall load of any scaffold hoist shall not exceed 3 times its rated load. Must have rest platforms at 35-foot maximum intervals on all supported scaffolds more than 35 feet high. Debris shall not be allowed to accumulate on platforms. Must have uniform riser height, within inch, for each flight of stairs, except for the top and bottom steps of the. Focus on Scaffolding The primary criteria used by the FSC to assess scaffolding work on site are contained within: WH 12 HIRAC FP 4 Management of Subcontractor WHS FP 6 Training arrangements H1 Working at heights [29 CFR 1926.451(f)(2)], Also, employees are prohibited from working on scaffolds covered with snow, ice, or other slippery materials - except to remove these substances. 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. On scaffolds where scaffold planks are abutted to create a long platform, each abutted end shall rest on a separate support surface. Hook-on or attachable ladders shall be installed as soon as scaffold erection has progressed to a point that permits safe installation and use. Must have a rung length of at least 8 inches. Capable of withstanding, without failure, a force of at least 50 pounds (222 n) applied in any downward or horizontal direction at any point along the toeboard (toeboards built in accordance with Appendix A to this subpart will be deemed to meet this requirement); and. 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. 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. Must have uniform tread depth, within inch, for each flight of stairs. Must have their lowest rung no more than 24 inches above the level on which the scaffold is supported. How can one prevent supported scaffolding from tipping? Must be uniformly spaced within each frame section. [29 CFR 1926.450(b)], Gasoline power-operated hoists or equipment are not permitted. Must have a stair-rail, consisting of a top-rail and a mid-rail, on each side. Where there is a danger of tools, materials, or equipment falling from a scaffold and striking employees below, the following provisions apply: The area below the scaffold to which objects can fall shall be barricaded, and employees shall not be permitted to enter the hazard area; or. When intermediate members (such as balusters or additional rails) are used, they shall not be more than 19 inches (48 cm) apart. In these situations, only the planking that the employer establishes is necessary to provide safe working conditions is required. 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 When are both fall-arrest and guardrail systems required? Climbing the structural cross-braces of a scaffold is unsafe, and specifically forbidden by federal standards. What are the capacity requirements for all scaffolds? 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. Scaffolds shall be designed by a qualified person and shall be constructed and loaded in accordance with that design. Each suspension rope, including connecting hardware, used on adjustable suspension scaffolds shall be capable of supporting, without failure, at least 6 times the maximum intended load applied or transmitted to that rope with the scaffold operating at either the rated load of the hoist, or 2 (minimum) times the stall load of the hoist, whichever is greater. 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). Fall protection. What are some of the requirements for manually operated suspension scaffold hoists? NOTE: As of January 1, 1998, subpart M of this part provides that body belts are not acceptable as part of a personal fall arrest system. 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. 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). 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. Window cleaners' anchors shall not be used for this purpose. 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. Tiebacks shall be installed perpendicular to the face of the building or structure, or opposing angle tiebacks shall be installed. Being used scaffold hoist shall not be installed as soon as scaffold erection has progressed to maximum. Specifically forbidden by federal standards a perpendicular tieback can not be allowed to accumulate on platforms with shackles or and! Is necessary to provide safe working conditions is required flight of stairs, except for the top and steps. 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