Use your safety belts and lanyards when working on scaffolding at a height of 10 feet or more above ground level. Vertical lifelines, independent support lines, and suspension ropes shall not be attached to each other, nor shall they be attached to or use the same point of anchorage, nor shall they be attached to the same point on the scaffold or personal fall arrest system. If a ladder is used for access, it must be securely linked to the scaffold and rise at least 3 feet above the platform. Independent support lines and suspension ropes shall not be attached to the same points of anchorage. WebNever alter a scaffold structure or extend it. [29 CFR 1926.450(b)] The structural members: poles, legs, posts, frames, and uprights must be plumb and braced to prevent swaying and displacement. Are there requirements for suspension ropes? Must have rest platforms at 35-foot maximum intervals on all supported scaffolds more than 35 feet high. 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. WebPublic Access Stair Towers | Pedestrian Access Stairs | Temporary ADA Ramp. Handrails, and toprails that serve as handrails, shall provide an adequate handhold for employees grasping them to avoid falling. Scaffolds must be equipped with proper access and may include dual access as necessary. This provision does not preclude the use of common support members, such as "T" sections, to support abutting planks, or hook on platforms designed to rest on common supports. Wood platforms shall not be covered with opaque finishes, except that platform edges may be covered or marked for identification. Treads and landings shall have slip-resistant surfaces. [29 CFR 1926.451(g)(1)], To ensure adequate protection, install guardrails along all open sides and ends before releasing the scaffold for use by employees, other than the erection and dismantling crews. [29 CFR 1926.451(f)(10)], Suspension ropes must be shielded from heat-producing processes. Each scaffold stairway shall be at least 18 inches (45.7 cm) wide between stairrails. 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. 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. Employees shall be prohibited from working on scaffolds covered with snow, ice, or other slippery material except as necessary for removal of such materials. Except as provided in paragraphs (a)(2), (a)(3), (a)(4), (a)(5) and (g) of this section, 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 transmitted to it. Scaffolds and scaffold components shall not be loaded in excess of their maximum intended loads or rated capacities, whichever is less. Each end of a platform 10 feet or less in length shall not extend over its support more than 12 inches (30 cm) unless the platform is designed and installed so that the cantilevered portion of the platform is able to support employees and/or materials without tipping, or has guardrails which block employee access to the cantilevered end. 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. Our Office Location. May forklifts, front-end loaders, or similar equipment support platforms? How wide does the work area need to be on scaffolding? Either the manufacturers' recommendation or the following placements must be used for guys, ties, and braces: Supported scaffolds' poles, legs, posts, frames, and uprights must bear on base plates and mud sills, or other adequate firm foundation. Access ladders must extension ladders are being used to access When intermediate members (such as balusters or additional rails) are used, they shall not be more than 19 inches (48 cm) apart. Suspension scaffold power-operated hoists and manual hoists shall be tested by a qualified testing laboratory. Scaffolding Legal Requirements of DMCC (Dubai Multi Commodities Centre)-Dubai-UAE Where scaffolds must be used in areas that the employer can demonstrate are so narrow that platforms and walkways cannot be at least 18 inches (46 cm) wide, such platforms and walkways shall be as wide as feasible, and employees on those platforms and walkways shall be protected from fall hazards by the use of guardrails and/or personal fall arrest systems. Have a maximum spacing between rungs of 16 3/4 inches (43 cm). The manufacturer must approve any alterations to the stilts. Web5.3.10 Access tower shall be provided at every 30-meter distance for suspended scaffold. 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. The use of shore or lean-to scaffolds is prohibited. The top edge height on supported scaffolds manufactured and placed in service before January 1, 2000, and on all suspended scaffolds where both a guardrail and a personal fall arrest system are required shall be between 36 inches (0.9 m) and 45 inches (1.2 m). Properly installed scaffolding provides a safe and stable work platform, but safety is only as strong as its foundation. Guardrail systems are explained below in another question. [29 CFR 1926.451(d)(3)(viii)], Tiebacks must be secured to a structurally sound anchorage on the building or structure. WebAccess points may be designed for access or be opportunistic. Suspension scaffold hoists and non-walk-through stirrups may be used as end guardrails, if the space between the hoist or stirrup and the side guardrail or structure does not allow passage of an employee to the end of the scaffold. Must have a maximum space between rungs of 16 inches. The scaffold is only acceptable as an anchorage point if it meets the strength requirements for an anchorage as defined above. WebScaffold design. 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 Debris shall not be allowed to accumulate on platforms. 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). an insulating material covers the suspension wire rope and extends at least 4 feet (1.2 m) above the hoist. Sand, gravel and similar materials that can be easily dislocated shall not be used as counterweights. The stall load of any scaffold hoist shall not exceed 3 times its rated load. When a guardrail system is used, the guardrail height must be increased in height equal to the height of the stilts. Must be specifically designed for the type of scaffold with which they are used. 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. Supported scaffolds with a height to base width (including outrigger supports, if used) ratio of more than four to one (4:1) shall be restrained from tipping by guying, tying, bracing, or equivalent means, as follows: Guys, ties, and braces shall be installed at locations where horizontal members support both inner and outer legs. Also see, OSHA Standards Interpretation and Compliance Letter: 09/30/1999 - Forklifts in construction: Elevating personnel and operator training. Greater variations in riser height are allowed for the top and bottom steps of the entire system, not for each flight of stairs. 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. Weba) Criteria is based on a new edition of CSA S269.2 (scaffold design and engineering standard). This section highlights OSHA standards and documents related For example: A scaffold erected Direct access to or from another surface shall only be used when the scaffold is not more than 14 inches horizontally and 24 inches vertically from the other surface. The ladder frames lock into each other and then are attached to the scaffolding frames via the ladder brackets. Severe Storm and Flood Recovery Assistance, Personal fall-arrest system, or a guardrail system, or a inch (1.9 cm) diameter grabline or equivalent handhold securely fastened beside each crawling board, Both a personal fall-arrest system and a guardrail system, Single-point and two-point suspension scaffolds, Personal fall-arrest system or guardrail system, Personal fall-arrest system or guardrail systems that meet the required criteria, Scaffolding : General Requirements for Scaffolds, When the front end of all platforms are less than 14 inches (36 cm) from the face of the work. Cross braces on tubular welded frame scaffolds shall not be used as a means of access or egress. Must have their bottom step no more than 24 inches above the level on which the scaffold is supported. [, 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. 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. the tail line is guided, retained, or both, so that it does not become grounded. Counterweights shall be made of non-flowable material. Horizontal lifelines shall not be attached only to the suspension ropes. [29 CFR 1926.451(f)(16)], The standard prohibits work on platforms cluttered with debris. Scaffolds shall be designed by a qualified person and shall be constructed and loaded in accordance with that design. 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. ABOUT US. Counterweights shall not be removed from an outrigger beam until the scaffold is disassembled. WebWhen scaffold platforms are more than 2 feet (0.6 m) above or below a point of access, portable ladders, hook-on ladders, attachable ladders, stair towers (scaffold 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). What are the requirements for scaffold planking? 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 other types of hoists are used, the suspension ropes shall be long enough to allow the scaffold to be lowered to the level below without the rope end passing through the hoist, or the rope end shall be configured or provided with means to prevent the end from passing through the hoist. 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. Personal fall arrest systems can be used on scaffolding when there are no guardrail systems. A personal fall-arrest system is a system used to arrest an employee in a fall from a working level. 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. Work platform, but safety is only as strong as its foundation least 4 feet ( 1.2 ). 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