Riser height shall be uniform, within 1/4 inch, (0.6 cm) for each flight of stairs. [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. What are some of the requirements for manually operated suspension scaffold hoists? 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. [29 CFR 1926.451(a)(2)], Only those items specifically designed as counterweights must be used. 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. In addition to wearing hardhats each employee on a scaffold shall be provided with additional protection from falling hand tools, debris, and other small objects through the installation of toeboards, screens, or guardrail systems, or through the erection of debris nets, catch platforms, or canopy structures that contain or deflect the falling objects. 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. Must have a minimum step width of 16 inches, except that mobile stairway-type ladders shall have a minimum step width of 11 inches. 10 OSHA Scaffolding Requirements 1. When intermediate members (such as balusters or additional rails) are used, they shall not be more than 19 inches (48 cm) apart. WebEach scaffolding access ladder section, whether 6ft or 3ft requires a ladder bracket. When used on a supported scaffold more than 35 feet high, must have rest platforms at 35-foot maximum intervals. Scaffolds must be equipped with proper access and may include dual access as necessary. The manufacturer must approve any alterations to the stilts. 29 CFR 1926 Subpart L Appendix A(1)(b) & (c). Sand, gravel and similar materials that can be easily dislocated shall not be used as counterweights. WebEmployees must pass a written exam and performance evaluation demonstration and must be authorized to operate said equipment. Flowable material, such as sand or water, cannot be used. [, 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. 22.A.03 Prior to commencing any activity that requires work in elevated areas, all provisions for access and fall protection shall be delineated in the Site-Specific Fall [29 CFR 1926.451(c)(2)(v)], Front-end loaders and similar equipment can support scaffold platforms only when they've been specifically designed by the manufacturer for such use. 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. [, When employees are plastering and lathing 18 inches (46 cm) or less from the front edge. Any of these independent modules or units should form a base. [29 CFR 1926.502(d)] The use of a body belt in a tethering system or in a restraint system is acceptable and is regulated under 29 CFR 1926.502(e). 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(e)], Shore and lean-to scaffolds are strictly prohibited. Sound anchorages include structural members, but do not include standpipes, vents, other piping systems, or electrical conduit. What materials can be used to increase the working level height of employees on supported scaffolds? 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. Midrails, screens, mesh, intermediate vertical members, solid panels, and equivalent structural members of a guardrail system shall be capable of withstanding, without failure, a force applied in any downward or horizontal direction at any point along the midrail or other member of at least 75 pounds (333 n) for guardrail systems with a minimum 100 pound toprail capacity, and at least 150 pounds (666 n) for guardrail systems with a minimum 200 pound toprail capacity. The training must include fall hazards, falling object hazards, electrical hazards, proper use of the scaffold, and handling of materials. 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. Tables showing maximum permissible spans, rated load capacity, and nominal thickness are in 29 CFR 1926 Subpart L Appendix A(1)(b) & (c) of the standard. [, A competent person must inspect ropes for defects prior to each workshift and after every occurrence that could affect a rope's integrity. 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. platform boarding arrangement and the number of boarded lifts that Must not be used as work platforms when rungs are less than 11 inches, unless each employee uses. Tread depth shall be uniform, within 1/4 inch, for each flight of stairs. [29 CFR 1926.451(g)(3)(i)], No. Toeboards shall be securely fastened in place at the outermost edge of the platform and have not more than 1/4 inch (0.7 cm) clearance above the walking/working surface. [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. Outrigger beams which are not stabilized by bolts or other direct connections to the floor or roof deck shall be secured by tiebacks. [29 CFR 1926.450(b)], Gasoline power-operated hoists or equipment are not permitted. Scaffolds and scaffold components shall be inspected for visible defects by a competent person before each work shift, and after any occurrence which could affect a scaffold's structural integrity. Personal fall arrest systems can be used on scaffolding when there are no guardrail systems. 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 1926.451(d)(13)], The stall load of any scaffold hoist must not exceed three times its rated load. [29 CFR 1926.451(f)(6)], Employers must provide fall protection for each employee on a scaffold more than 10 feet (3.1 m) above a lower level. [29 CFR 1926 Subpart L Appendix A(1)(b) & (c)]. In addition, employees must wear hard hats. Must have a maximum space between rungs of 16 inches. To ensure stability for fall protection, scaffolds can be supported by: legs, Wondering about scaffold guardrail height requirements? Wood platforms shall not be covered with opaque finishes, except that platform edges may be covered or marked for identification. [29 CFR 1926.451(f)(1)] Load carrying timber members should be a minimum of 1,500 lb-f/in2 construction grade lumber. [29 CFR 1926.451(a)(1)], Solid sawn wood, fabricated planks, and fabricated platforms may be used as scaffold planks following the recommendations by the manufacturer or a lumber grading association or inspection agency. [29 CFR 1926.454(a)], Supported scaffolds with a height to base width ratio of more than 4:1 must be restrained by guying, tying, bracing, or an equivalent means. 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. Scaffolding Legal Requirements of DMCC (Dubai Multi Commodities Centre)-Dubai-UAE Scaffold planking must be able to support, without failure, its own weight and at least four times the intended load. [29 CFR 1926.451(a)(1)]Solid sawn wood, fabricated planks, and fabricated platforms may be used as scaffold planks following the recommendations by the manufacturer or a lumber grading association or inspection agency. ENGINEERED ACCESS SOLUTIONS. Counterweights shall be made of non-flowable material. c) Added guidance for assessing base soil conditions. Guardrail systems shall be installed before the scaffold is released for use by employees other than erection/dismantling crews. [29 CFR 1926.451(d)(3)(iv)], Vertical lifelines must not be fastened to counterweights. The harness is worn over Steel or plastic banding shall not be used as a toprail or midrail. [29 CFR 1926.451(f)(8)], The standard does require specific clearance distances. [, 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. 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 Must be uniformly spaced within each frame section. What are the requirements for suspension scaffolds? [29 CFR 1926.451(d)(3)(x)]. Portable, hook-on, and attachable ladders (Additional requirements for the proper construction and use of portable ladders are contained in subpart X of this part -- Stairways and Ladders): Portable, hook-on, and attachable ladders shall be positioned so as not to tip the scaffold; Hook-on and attachable ladders shall be positioned so that their bottom rung is not more than 24 inches (61 cm) above the scaffold supporting level; When hook-on and attachable ladders are used on a supported scaffold more than 35 feet (10.7 m) high, they shall have rest platforms at 35-foot (10.7 m) maximum vertical intervals. 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. Handrails, and top-rails used as handrails, must be at least 3 inches from other objects. Fall protection. What are the clearance distance between scaffolds and power lines? [. Stairtowers (scaffold stairway/towers) shall be positioned such that their bottom step is not more than 24 inches (61 cm.) 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; Each hoist shall be covered with insulated protective covers; In addition to a work lead attachment required by the welding process, a grounding conductor shall be connected from the scaffold to the structure. 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. Unstable objects shall not be used as working platforms. 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 Stairrail systems and handrails shall be surfaced to prevent injury to employees from punctures or lacerations, and to prevent snagging of clothing. [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. Does a scaffold meet the requirements of 1926.502 (d) (15)? Six randomly distributed broken wires in one rope lay or three broken wires in one strand in one rope lay. Must have slip-resistant surfaces on all treads and landings. [, Employers must ensure that all employees are trained to recognize the hazards associated with the type of scaffold being used. Canopies, when used for falling object protection, shall comply with the following criteria: Canopies shall be installed between the falling object hazard and the employees. Have a maximum spacing between rungs of 16 3/4 inches (43 cm). NY Scaffold is the leading specialty Scaffold Erector Company covering the whole of the US. Single tiebacks installed at an angle are prohibited. Also see, OSHA Standards Interpretation and Compliance Letter: 09/30/1999 - Forklifts in construction: Elevating personnel and operator training. 724-452-8300. 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. [, All suspension scaffolds must be tied or otherwise secured to prevent them from swaying, as determined by a competent person. Note to paragraph (b)(2)(i): Pursuant to an administrative stay effective November 29, 1996 and published in the Federal Register on November 25, 1996, the requirement in paragraph (b)(2)(i) that roof bracket scaffolds be at least 12 inches wide is stayed until November 25, 1997 or until rulemaking reguarding the minimum width of roof bracket scaffolds has been completed, whichever is later. Non-uniform rung spacing caused by joining end frames together is allowed, provided the resulting spacing does not exceed 16 3/4 inches (43 cm). Only those items specifically designed as counterweights shall be used to counterweight scaffold systems. Such materials cannot be used as counterweights. Stair-rails and handrails must be designed and constructed to prevent punctures, lacerations, snagged clothing, and projection. WebNever alter a scaffold structure or extend it. Web5.3.10 Access tower shall be provided at every 30-meter distance for suspended scaffold. 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. This determination shall be based on site conditions and the type of scaffold being erected or dismantled. 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. [29 CFR 1926.451(f)(16)], The standard prohibits work on platforms cluttered with debris. [29 CFR 1926.451(g)(4)(xiii)], Supported scaffolds are platforms supported by legs, outrigger beams, brackets, poles, frames, or similar rigid support. 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