[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. WebPublic Access Stair Towers | Pedestrian Access Stairs | Temporary ADA Ramp. Sound points of anchorage include structural members, but do not include standpipes, vents, other piping systems, or electrical conduit. For example: A scaffold erected WebTower scaffolds must comply with the standard required for all types of scaffolds, eg double guardrails, toeboards, bracing and access ladder. The independent support lines shall be equal in number and strength to the suspension ropes. Paragraph (g)(2) of this section addresses fall protection for scaffold erectors and dismantlers. This determination shall be based on site conditions and the type of scaffold being erected or dismantled. 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. In addition, employees must wear hard hats. 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. 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. Platforms shall not deflect more than 1/60 of the span when loaded. 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 [29 CFR 1926.451(g)(3)(i)], No. 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. Counterweights shall be secured by mechanical means to the outrigger beams to prevent accidental displacement. Guys, ties, and braces shall be installed according to the scaffold manufacturer's recommendations or at the closest horizontal member to the 4:1 height and be repeated vertically at locations of horizontal members every 20 feet (6.1 m) or less thereafter for scaffolds 3 feet (0.91 m) wide or less, and every 26 feet (7.9 m) or less thereafter for scaffolds greater than 3 feet (0.91 m) wide. Must have their bottom step no more than 24 inches above the level on which b) Additional requirements for training of scaffold users and inspectors. Must be at least 18 inches wide between stair-rails, and have a landing platform at least 18 inches wide by at least 18 inches long at each level. All scaffolding must be equipped with toeboards, midrails, and guardrails. Must have slip-resistant treads on all steps and landings. [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. The stall load of any scaffold hoist shall not exceed 3 times its rated load. 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. The harness is worn over When midrails are used, they shall be installed at a height approximately midway between the top edge of the guardrail system and the platform 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. 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. maximum lift heights. 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. Provide scaffold platforms more than 2 feet (0.6 m) above or below a point of access with at least one of the following means of access: Portable, hook-on, or attachable ladder Stairway-type ladder Ladder stand Stair tower (scaffold stairway or tower) Ramp Walkway Integral prefabricated scaffold access Our Office Location. d) Added precautions around power lines. 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. [29 CFR 1926.451(d)(7)], Drum hoists must contain no less than four wraps of the rope at the lowest point. 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. 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. Before the scaffold is used, direct connections shall be evaluated by a competent person who shall confirm, based on the evaluation, that the supporting surfaces are capable of supporting the loads to be imposed. When can welding be done from a suspension scaffold? [. Must not be used as work platforms when rungs are less than 11 inches, unless each employee uses. Footings shall be level, sound, rigid, and capable of supporting the loaded scaffold without settling or displacement. Each 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. WebRequirements for Scaffolding Tower Use of Safety Harness Safe place and Safe person strategy You can read regulation of Trakhees, in detail. 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. When can personal fall-arrest systems be used when working on scaffolding and aerial lifts? WebAccess points may be designed for access or be opportunistic. WebScaffold design. Steps and rungs of ladders and stairways must line up vertically with each other between rest platforms. WebScaffolding Access Requirements 9 out of 10 based on 159 ratings. 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. each suspension rope and any other independent lines are insulated from grounding. 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. [, When using direct access, the surface must not be more than 24 inches (61 cm) above or 14 inches (36 cm) horizontally from the surface. Stairrail systems and handrails shall be surfaced to prevent injury to employees from punctures or lacerations, and to prevent snagging of clothing. What are the requirements for suspension scaffolds? Flowable material, such as sand or water, cannot be used. What are the access requirements for employees erecting and dismantling supported scaffolds? Supported scaffold poles, legs, posts, frames, and uprights shall bear on base plates and mud sills or other adequate firm foundation. Single tiebacks installed at an angle are prohibited. Web5.3.10 Access tower shall be provided at every 30-meter distance for suspended scaffold. 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. [, 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. 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. What are the requirements for work on platforms cluttered with debris? 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. Web(1) A type of supported scaffold set on wheels or casters (2) A simple device consisting of a platform resting on brackets attached to a ladder (3) A uniquely designed scaffold consisting of a platform supported by moveable brackets on vertical poles (1)Mobile Scaffold (2) Ladder Scaffold (3) Pump Jack Scaffold Guardrail systems are explained below in another question. 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. Treads and landings shall have slip-resistant surfaces. SCAFFOLDING IN NEW ZEALAND KEY POINTS: Duty holders have responsibilities under the Health and Safety at Work Act NY Scaffold is the leading specialty Scaffold Erector Company covering the whole of the US. Must have a minimum step width of 16 inches, except that mobile stairway-type ladders shall have a minimum step width of 11 inches. [, When scaffold platforms are more than 24 inches (61 cm) above or below a point of access, ladders, ramps, walkways, or similar surfaces must be used. 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. The ends of all rails shall not overhang the terminal posts except when such overhang does not constitute a projection hazard to employees. 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. 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. This provision does not preclude the use of systems which are designed to function both as suspension scaffolds and emergency systems. The manufacturer must approve any alterations to the stilts. Weba) Criteria is based on a new edition of CSA S269.2 (scaffold design and engineering standard). [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. [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. 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