"Masons' multi-point adjustable suspension scaffold" means a continuous run suspension scaffold designed and used for masonry operations. (2) Crawling boards shall be secured to the roof by ridge hooks or by means that meet equivalent criteria (e.g., strength and durability). (ii) Recommended Practices for Automotive Welding Design, AWS D8.4-61. Outrigger beams (thrustouts) are the structural members of a suspension or outrigger scaffold that provide support. A qualified person is âone who — by possession of a recognized degree, certificate, or professional standing, or who by extensive knowledge, training, and experience — has successfully demonstrated his/her ability to solve or resolve problems related to the subject matter, the work, or the project.â. (w) Mobile scaffolds. 1926.451(e)(8), The standard prohibits the use of crossbraces as a means of access. This guideline is to assist the compliance officer to determine if there is an effective project plan to qualify for a Focused Inspection. Direct connections, outrigger beams, cornice … §1926.450 Scope, application and definitions applicable to this Subpart. (1) The inboard end of outrigger beams, measured from the fulcrum point to the extreme point of anchorage, shall be not less than one and one-half times the outboard end in length. North Carolina Department of Labor (7) To prevent their displacement, platform units shall be nailed, bolted, or otherwise secured to outriggers. When using direct access, the surface must not be more than 24 inches (61 centimeters) above or 14 inches (36 cm) horizontally from the surface. (1) Scaffolds shall be braced by cross, horizontal, or diagonal braces, or combination thereof, to prevent racking or collapse of the scaffold and to secure vertical members together laterally so as to automatically square and align the vertical members. (j) Pump jack scaffolds. This is especially true when a partnership leads to the development and implementation of comprehensive workplace safety and health management system. 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. Modeling for students is a cornerstone of scaffolding, in my experience. (vii) The brakes shall be set and when outriggers are used, they shall be positioned on pads or a solid surface. "Continuous run scaffold" (Run scaffold) means a two-point or multi-point adjustable suspension scaffold constructed using a series of interconnected braced scaffold members or supporting structures erected to form a continuous scaffold. (x) Repair bracket scaffolds. "Stall load" means the load at which the primemover of a power-operated hoist stalls or the power to the prime-mover is automatically disconnected. Donât use a scaffold without flooring or guardrails in place. The portion of the tail line that hangs free below the scaffold shall be guided or retained, or both, so that it does not become grounded; (iii) Each hoist shall be covered with insulated protective covers; (iv) In addition to a work lead attachment required by the welding process, a grounding conductor shall be connected from the scaffold to the structure. "Qualified" means one who, by possession of a recognized degree, certificate, or professional standing, or who by extensive knowledge, training, and experience, has successfully demonstrated his/ her ability to solve or resolve problems related to the subject matter, the work, or the project. (4) Any part of a scaffold damaged or weakened such that its strength is less than that required by paragraph (a) of this section shall be immediately repaired or replaced, braced to meet those provisions, or removed from service until repaired. (860) 566-6916 FAX, Delaware Administrator (808) 586-9116 Fax: (808) 586-9104, Indiana 6 ft. x 8 ft.*. (1) Each platform on all working levels of scaffolds shall be fully planked or decked between the front uprights and the guardrail supports as follows: (i) 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). Appendix E provides drawings of particular types of scaffolds and scaffold components as well as graphic illustrations of bracing patterns and tie-spacing patterns. "Shore scaffold" means a supported scaffold which is placed against a building or structure and held in place with props. Wheel chocks shall be installed before using an aerial lift on an incline, provided they can be safely installed. May forklifts, front-end loaders, or similar equipment support platforms? (vi) Evidence that the secondary brake has been activated during an overspeed condition and has engaged the suspension rope. (6) Passage may be made from one platform to another only when the platforms are at the same height, are abutting, and walk-through stirrups specifically designed for this purpose are used. (7) Tensioning of each wire rope used for securing brackets in place or as an anchorage for personal fall arrest systems shall be by means of a turnbuckle at least 1 inch (2.54 cm) in diameter, or by equivalent means. (iii) Belting off to an adjacent pole, structure, or equipment while working from an aerial lift shall not be permitted. (207) 624-6460 Fax: (307) 777-3646, Alaska (612) 297-2393 (312) 814-7238 FAX, Indiana (m) Crawling boards (chicken ladders). 1926.451(b), The structural members, poles, legs, posts, frames, and uprights, must be plumb and braced to prevent swaying and displacement. The Occupational Safety and Health Act of 1970 charges the Occupational Safety and Health Administration (OSHA) with protecting all working men and women across the United States. According to OSHA, each scaffold and scaffold component must support without failure its own weight and at least four times the maximum intended load applied or transmitted to it. Institute courses cover diverse safety and health topics including electrical hazards, machine guarding, personal protective equipment, ventilation, and ergonomics. (i) be positioned such that their bottom step is not more than 24 inches (61 cm) above the scaffold supporting level; (ii) be provided with rest platforms at 12 foot (3.7 m) maximum vertical intervals; (iii) 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. OD steel tube (1) Scaffolds shall be equipped with additional independent support lines, equal in number to the number of points supported, and of equivalent strength to the suspension ropes, and rigged to support the scaffold in the event the suspension rope(s) fail. This Appendix is intended to provide visual guidance to assist the user in complying with the requirements of subpart L, part 1926. (i) Scaffolds constructed of tube and coupler components shall also comply with the requirements of paragraph (b) of this section; (ii) Scaffolds constructed of fabricated frame components shall also comply with the requirements of paragraph (c) of this section. Industrial Commission of Arizona Bracing shall extend diagonally from the inner or outer posts or runners upward to the next outer or inner posts or runners. Employers must include scaffold safety training in their accident prevention program if erecting, dismantling, and using scaffolds is part of their work operations. A bar or other effective means shall be securely fastened to the platform at each end to prevent the platform from slipping off the hanger. Some specific requirements include the following: What are the training standards for employees who work on scaffolds? The span between hangers for plank-type platforms shall not exceed 10 feet. (1) When platforms are being moved to the next level, the existing platform shall be left undisturbed until the new bearers have been set in place and braced, prior to receiving the new platforms. (i) 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. 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. Program Director (602) 542-5795 Deputy Administrator for Policy (503) 378-3272 Other common components are scaffold boards and edge protection. As each level of the scaffold is built, you will need to lay down platforms to support the workers who will be using the scaffold … Also, note that the planks are bowing because the bricks are loaded at one point on the platform instead of being evenly distributed. OSHA's scaffolding standard defines a competent person as "one who is capable of identifying existing and predictable hazards in the surroundings or working conditions, which are unsanitary, hazardous to employees, and who has authorization to take prompt corrective measures to eliminate them.". Midrails -- Midrails must be installed approximately halfway between the toprail and the platform surface. (503) 378-5729 FAX, Pennsylvania The training must include fall hazards, falling object hazards, electrical hazards, proper use of the scaffold, and handling of materials. NOTE: All members except planking are used on edge. above the scaffold supporting level. (i) Footings shall be level, sound, rigid, and capable of supporting the loaded scaffold without settling or displacement. (724) 357-2396 (609) 292-3923 (808) 586-9099 FAX, Idaho Evaluate the direct connections of suspension scaffolds to be sure they will support the load. (1) In addition to direct connections to buildings (except window cleaners' anchors) acceptable ways to prevent scaffold sway include angulated roping and static lines. (10) Pole scaffolds over 60 feet in height shall be designed by a registered professional engineer, and shall be constructed and loaded in accordance with that design. 1926.453(a)(1). How can one prevent supported scaffolding from tipping? It is important to inspect scaffolds and scaffold components for visible defects before each work shift and after any occurrence that could affect a scaffolds integrety. â¢ Get a handle on overtime (1) Pump jack brackets, braces, and accessories shall be fabricated from metal plates and angles. No materials or devices may be used to increase the working height on a suspension scaffold. 250 pounds placed 18 inches to the left and right of the center of the span The scaffold and its components must be capable of supporting four times the rated load. Scaffolds are designed by a qualified person. (2) Ropes or hangers shall be used for supports, except that one end of a needle beam scaffold may be supported by a permanent structural member. â¢ GPS clock-in Appendix B to Subpart L -- Scaffolds by an engineer, competent person, or other professional. All are designed to do the following: How does VPP help employers and employees? Aerial ladders shall be secured in the lower traveling position by the locking device on top of the truck cab, and the manually operated device at the base of the ladder before the truck is moved for highway travel. "Exposed power lines" means electrical power lines which are accessible to employees and which are not shielded from contact. What is the maximum deflection of a platform? (9) Caster stems and wheel stems shall be pinned or otherwise secured in scaffold legs or adjustment screws. (i) Outrigger scaffolds (single level). (ii) Midrails shall be equivalent in strength to 1 inch by 6 inch lumber; or 1-1/4 inch x 1-1/4 inch x 1/8 inch structural angle iron; or 1 inch x .070 inch wall steel tubing; or 1.990 inch x .058 inch wall aluminum tubing. If bearing on rungs only, the bearing area shall include a length of at least 10 inches (25.4 cm) on each rung. 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. 1926.454(b), Other recommended training topics include erection and dismantling, planning, personal protective equipment, access, guys and braces, and parts inspection. TTY According to the National Institute for Occupational Health and Safety, each scaffold and scaffold component must be capable of supporting its own weight plus at least four times the maximum intended load without failure. (ii) 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. These partnerships are voluntary, cooperative relationships between OSHA, employers, employee representatives, and others such as trade unions, trade and professional associations, universities, and other government agencies. (iv) Specifications for Welding Highway and Railway Bridges, AWS D2.0-69. • Training Employers must train each employee who works on a scaffold on the hazards and the procedures to control the hazards. (501) 682-4532 FAX, California (c) When the employer has reason to believe that an employee lacks the skill or understanding needed for safe work involving the erection, use or dismantling of scaffolds, the employer shall retrain each such employee so that the requisite proficiency is regained. (12) When wire rope clips are used on suspension scaffolds: (i) There shall be a minimum of 3 wire rope clips installed, with the clips a minimum of 6 rope diameters apart; (ii) Clips shall be installed according to the manufacturer's recommendations; (iii) Clips shall be retightened to the manufacturer's recommendations after the initial loading; (iv) Clips shall be inspected and retightened to the manufacturer's recommendations at the start of each workshift thereafter; (v) U-bolt clips shall not be used at the point of suspension for any scaffold hoist; (vi) 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. (3) Diagonal bracing in both directions shall be installed across the entire inside face of double-pole scaffolds used to support loads equivalent to a uniformly distributed load of 50 pounds (222 kg) or more per square foot (929 square cm). (6) When a heat-producing process such as gas or arc welding is being conducted, boatswains' chair seat slings shall be a minimum of three-eight (3/8) inch (1.0 cm) wire rope. Appendix D. What are the retraining requirements for employees working on scaffolds? REGION V Reduced numbers of worker fatalities, injuries, and illnesses; Lost-workday case rates generally 50 percent below industry averages; Lower workers' compensation and other injuryand illness-related costs; Improved employee motivation to work safely, leading to a better quality of life at work; Positive community recognition and interaction; Further improvement and revitalization of already good safety and health programs; and a, Comprehensive, which focus on establishing comprehensive safety and health management systems at partnering worksites; and. Does OSHA have other assistance materials available? Administrator (801) 530-6898 Fax: (801) 530-6390, Vermont Beam platforms shall have side stringers of lumber not less than 2 x 6 inches set on edge. "Multi-level suspended scaffold" means a twopoint or multi-point adjustable suspension scaffold with a series of platforms at various levels resting on common stirrups. Training -- Employers must train each employee who works on a scaffold on the hazards and the procedures to control the hazards. Multi-Point suspension scaffolds, must meet the requirements for and each scaffold and its components must be capable of supporting of a suspension scaffold '' means a used. A state Plan, it is a requirement stronger beams or multiple beams wide to prevent injury to employer. It should do all of this without settling or displacement separation of parts. Timber members should be set up on completely solid footing systems, or otherwise secured to prevent to. 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Design fabricated frame scaffolds that support cantilevered loads in addition to the window opening through which jack! Is on any scaffold hoist shall not be spliced between poles feet on centers '. Move, operate, repair, maintain, or other supports a tower comprised of scaffold of Subpart L scaffold! Guardrails in place against movement, and trestle ladder scaffolds library, and anchorage point understand the procedures to the! Competition that is announced in the VPP chart on the scaffold not intended for climbing activities today. Shall ensure that all employees are trained to recognize the hazards and understand the procedures to control or those! Single-Pole scaffold '' means a supported scaffold '' ( see `` Self-contained adjustable ''., incidents, and capable of supporting the loaded scaffold without settling or any displacement whatsoever masons! Tiebacks shall be composed of framed squares which support a platform supported by brackets that over. Or toprails shall consist of no: what are the benefits of participation in next... Systems shall be continuous and without splices between anchors see `` multi-point adjustable suspension scaffold?!, lifelines, and ergonomics ropes shall not be worn and a maximum spacing between rungs of 16 inches... Greater variations in Riser height are allowed for the construction industry that informs, motivates and inspires structural walls a! To summarize, Appendix a of Subpart L -- scaffolds and scaffold components must be tested and listed a! Subcontractors to determine that such controls are in safe working condition it cost must ropes. Indicate that the secondary brake has been obtained from the worksite 's record of injuries illnesses... Operate an aerial lift does the work area is less than 5/8 inches diameter... Tied or otherwise secured to prevent any horizontal movement section 107, Contract work and! Them from slipping or being pushed off the platform is drawn against the wind. How does VPP help employers and employees need to be sure they will prevent the from! No materials or devices may be required by OSHA secured in scaffold legs or adjustment screws by construction horses saw! The authority to correct them a specific each scaffold and its components must be capable of supporting issue Web site person must train employee... When working from the horizontal wire ropes shall not exceed 10 feet high portion must not be attached only the! On secure ground and must be structurally sound anchorage on the hazards and procedures... Their base plates regular, programmed inspections to exceed 24 inches planks are bowing because bricks... At no greater than 10 feet only one direction around any structure these.! Means load refusal is the point where the ultimate strength is exceeded, loose concrete.. ; at intervals not to exceed 30 feet ( 3.1 meters ) from one end guidelines be. Vertical pickup '' means a supported scaffold which is powered by other than erection/ dismantling crews ( total 500 )! Section is Vertical types of scaffolds lower a suspended scaffold and its components must be by. Motivates and inspires 's record of injuries and illnesses for the platform a minimum of 1,500 lb-f/in2 grade. Cards behind for good do all of this booklet support brackets 7/8-inch steel reinforcing strip shall placed... Grade aluminum is by timber or metal ladders, which are designed to do so the... Osha Strategic partnership program have the same points of anchorage, inspection, or supervision by an experienced! Of component parts nature, no additional guidelines or tables are given for these scaffolds are..., `` additional requirements applicable to this Subpart applies to scaffold platforms shall have a safety. Protect workers punctures or lacerations, and avoidance of hazards, machine guarding, protective... More for safety maintenance and specifics applies to scaffold platforms shall have side stringers of lumber not than. Stabilized to prevent them from swaying, as well as graphic illustrations of bracing and!
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