scaffold access requirements

[, When employees are plastering and lathing 18 inches (46 cm) or less from the front edge. What are the requirements for access to scaffolds? 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). Scaffolds shall be designed by a qualified person and shall be constructed and loaded in accordance with that design. 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. Scaffold components manufactured by different manufacturers shall not be intermixed unless the components fit together without force and the scaffold's structural integrity is maintained by the user. WORKERS MUST USE FALL PROTECTION WHEN WORKING FROM THIS SCAFFOLD Green: SCAFFOLD IS OK FOR USE Tag must include the scaffold capacity: The training must include fall hazards, falling object hazards, electrical hazards, proper use of the scaffold, and handling of materials. Have a maximum spacing between rungs of 16 3/4 inches (43 cm). 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. [, A competent person must inspect ropes for defects prior to each workshift and after every occurrence that could affect a rope's integrity. [, When outrigger scaffolds are 3 inches (8 cm) or less from the front edge. 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. 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. Abrasion, corrosion, scrubbing, flattening or peening causing loss of more than one-third of the original diameter of the outside wires. Excess suspension wire rope and any additional independent lines from grounding shall be insulated; The suspension wire rope shall be covered with insulating material extending at least 4 feet (1.2 m) above the hoist. Greater variations in riser height are allowed for the top and bottom steps of the entire system, not for each flight of stairs. Unsafe scaffolding has the potential to result Non-mandatory Appendix A to this subpart contains examples of criteria that will enable an employer to comply with paragraph (a) of this section. Toeboards shall be solid or with openings not over one inch (2.5 cm) in the greatest dimension. [29 CFR 1926.451(e)(1)], Effective September 2, 1997, employees erecting and dismantling supported scaffolding must have a safe means of access provided when a competent person has determined the feasibility and analyzed the site conditions. [. Scaffolds shall be erected, moved, dismantled, or altered only under the supervision and direction of a competent person qualified in scaffold erection, moving, dismantling or alteration. What are some of the requirements for manually operated suspension scaffold hoists? When a guardrail system is used, the guardrail height must be increased in height equal to the height of the stilts. 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. 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). [29 CFR 1926.451(a)(2)], Only those items specifically designed as counterweights must be used. Footings shall be level, sound, rigid, and capable of supporting the loaded scaffold without settling or displacement. [29 CFR 1926.451(c)(1)]. Tiebacks shall be equivalent in strength to the suspension ropes. 06/16/1999 - Scaffolds: Lifelines, support lines, and suspension ropes cannot have a common anchor point. An active welding rod or uninsulated welding lead shall not be allowed to contact the scaffold or its suspension system. How can one prevent supported scaffolding from tipping? 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. [29 CFR 1926.451(f)(1)] Load carrying timber members should be a minimum of 1,500 lb-f/in2 construction grade lumber. The independent support lines shall be equal in number and strength to the suspension ropes. Each scaffold stairway shall be at least 18 inches (45.7 cm) wide between stairrails. This paragraph applies to scaffold access for all employees. Supported scaffold poles, legs, posts, frames, and uprights shall be plumb and braced to prevent swaying and displacement. Be positioned such that their bottom step is not more than 24 inches (61 cm) above the scaffold supporting level; Be provided with rest platforms at 12 foot (3.7 m) maximum vertical intervals; Have a minimum step width of 16 inches (41 cm), except that mobile scaffold stairway-type ladders shall have a minimum step width of 11 1/2 inches (30 cm); and. 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. Each ladder jack scaffold, top plate bracket scaffold, roof bracket scaffold, and pump jack scaffold shall be at least 12 inches (30 cm) wide. When used on a supported scaffold more than 35 feet high, must have rest platforms at 35-foot maximum intervals. The scaffold needs to be secure and otherwise not tip when climbing whatever the form of access. The ends of all rails shall not overhang the terminal posts except when such overhang does not constitute a projection hazard to employees. Horizontal lifelines shall not be attached only to the suspension ropes. At all points of a scaffold where the platform changes direction, such as turning a corner, any platform that rests on a bearer at an angle other than a right angle shall be laid first, and platforms which rest at right angles over the same bearer shall be laid second, on top of the first platform. 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. ABOUT US. Gasoline-powered equipment and hoists shall not be used on suspension scaffolds. Guardrail systems are explained below in another question. 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(f)(16)], The standard prohibits work on platforms cluttered with debris. Stair-rails and handrails must be designed and constructed to prevent punctures, lacerations, snagged clothing, and projection. 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. 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). Have slip-resistant treads on all steps and landings. Riser height shall be uniform, within 1/4 inch, (0.6 cm) for each flight of stairs. Any of these independent modules or units should form a base. Scaffold 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. A safe point of access should be present during erection and dismantling operations. [, 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. High Quality Steel 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(d)(7)], Drum hoists must contain no less than four wraps of the rope at the lowest point. What are scaffold platform construction requirements? [29 CFR 1926.451(d)(6)], Gears and brakes must be enclosed. 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 Subpart L Appendix A(1)(a)], 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. This includes ladders, boxes, and barrels. Sound anchorages do not include standpipes, vents, other piping systems, or electrical conduit. [29 CFR 1926.451(d)(16)], Manually operated hoists used to raise or lower a suspended scaffold must be tested an listed by a qualified testing laboratory. 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. Each platform on all working levels of scaffolds shall be fully planked or decked between the front uprights and the guardrail supports as follows: Each platform unit (e.g., scaffold plank, fabricated plank, fabricated deck, or fabricated platform) shall be installed so that the space between adjacent units and the space between the platform and the uprights is no more than 1 inch (2.5 cm) wide, except where the employer can demonstrate that a wider space is necessary (for example, to fit around uprights when side brackets are used to extend the width of the platform). How will I know what kind of fall protection to provide for a specific-type of scaffold? Must have rest platforms at 35-foot maximum intervals on all supported scaffolds more than 35 feet high. 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