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a means of access must be provided to a scaffold

a 1 b 2 c 3 d 4 5 What is the ratio of sand to cement for … access steps, frame designed to be climbed or equivalent safe access to the scaffold shall be used. Steps and rungs of ladder and stairway type access shall line up vertically with each other between rest platforms. Evidence that the secondary brake has been activated during an overspeed condition and has engaged the suspension rope. 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). Select the correct answer and then click DONE. The toprail of each stairrail system shall also be capable of serving as a handrail, unless a separate handrail is provided. All suspension scaffold support devices, such as outrigger beams, cornice hooks, parapet clamps, and similar devices, shall rest on surfaces capable of supporting at least 4 times the load imposed on them by the scaffold operating at the rated load of the hoist (or at least 1.5 times the load imposed on them by the scaffold at the stall capacity of the hoist, whichever is greater). 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. The ladder legs shall be secured to prevent them from slipping or being pushed off the platform. Single tiebacks installed at an angle are prohibited. Scaffolds: a definition Scaffold—a temporary structure erected to support access or working platforms. 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. The team is given a set of scaffolding components to assemble. true 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. This section does not apply to aerial lifts, the criteria for which are set out exclusively in 1926.453. Proper access must be provided to access the work platform of the scaffold. 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. Swaged attachments or spliced eyes on wire suspension ropes shall not be used unless they are made by the wire rope manufacturer or a qualified person. Steel or plastic banding shall not be used as a toprail or midrail. What must be worn at all times while working from scaffolding? Safe access can be acheived using various types of equipment including portable ladders, ladders that attach to the scaffolding… Cross braces on tubular welded frame scaffolds shall not be used as a means of access or egress. Two-point and multi-point suspension scaffolds shall be tied or otherwise secured to prevent them from swaying, as determined to be necessary based on an evaluation by a competent person. Scaffold components made of dissimilar metals shall not be used together unless a competent person has determined that galvanic action will not reduce the strength of any component to a level below that required by paragraph (a)(1) of this section. Scaffold definition is - a temporary or movable platform for workers (such as bricklayers, painters, or miners) to stand or sit on when working at a height above the floor or ground. Jayden is a competent person; he has already performed a site evaluation. When erecting or dismantling tubular welded frame scaffolds, (end) frames, with horizontal members that are parallel, level and are not more than 22 inches apart vertically may be used as climbing devices for access, provided they are erected in a manner that creates a usable ladder and provides good hand hold and foot space. [44 FR 8577, Feb. 9, 1979; 44 FR 20940, Apr. 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. 16 3/4 inches. Guardrails or personal fall-arrest systems are required at heights of more than 10 feet. Ropes shall be inspected for defects by a competent person prior to each workshift and after every occurrence which could affect a rope's integrity. Tiebacks shall be equivalent in strength to the suspension ropes. On high scaffolds, all planks should be secured by being tied down with: Joel, a commercial painter, is working on a new site where he and his team will need to use scaffolding. Scaffold definition, a temporary structure for holding workers and materials during the erection, repair, or decoration of a building. Each scaffold stairway shall be at least 18 inches (45.7 cm) wide between stairrails. employees performing work from scaffold must be trained on use, maximum load capacity, and electrical hazards. 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). Start studying Scaffold Section 1928.450. Select the correct answer and then click DONE. This inspection by the Competent Person must take place when the scaffold is erected or moved, as well as prior to initial use on each shift;  When scaffold platforms are located more than 2 feet above or below the ground or other point of access, access to the scaffold platform must be made via an approved means. Laura and her team are on a deadline to finish a construction project. 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. Unstable objects shall not be used as working platforms. When canopies are used on suspension scaffolds for falling object protection, the scaffold shall be equipped with additional independent support lines equal in number to the number of points supported, and equivalent in strength to the strength of the suspension ropes. Select the correct answer and then click DONE. 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. Type of accesses which are permitted: 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. A toeboard shall be erected along the edge of platforms more than 10 feet (3.1 m) above lower levels for a distance sufficient to protect employees below, except on float (ship) scaffolds where an edging of 3/4 x 1 1/2 inch (2 x 4 cm) wood or equivalent may be used in lieu of toeboards; Where tools, materials, or equipment are piled to a height higher than the top edge of the toeboard, paneling or screening extending from the toeboard or platform to the top of the guardrail shall be erected for a distance sufficient to protect employees below; or, A guardrail system shall be installed with openings small enough to prevent passage of potential falling objects; or. The ends of all rails shall not overhang the terminal posts except when such overhang does not constitute a projection hazard to employees. means of access must be provided to scaffold platform if no existing access within ____ feet. Which would provide a more stable foundation? To avoid injury while moving from one platform to another, you should. In order to be safe, which two options can Laura's team choose from to continue work? Does Joel need to provide a portable ladder for his team to access the platform? On scaffolds where scaffold planks are abutted to create a long platform, each abutted end shall rest on a separate support surface. Each platform greater than 10 feet in length shall not extend over its support more than 18 inches (46 cm), unless it is designed and installed so that the cantilevered portion of the platform is able to support employees without tipping, or has guardrails which block employee access to the cantilevered end. Have slip-resistant treads on all steps and landings. A scaffold is a temporary structure erected to support access or working platforms. Outrigger beams which are not stabilized by bolts or other direct connections to the floor or roof deck shall be secured by tiebacks. Have a maximum spacing between rungs of 16 3/4 inches (43 cm). 2. Guardrails meeting the requirements of paragraph (g)(4) of this section shall be provided on the open sides and ends of each landing. Devices whose sole function is to provide emergency escape and rescue shall not be used as working platforms. 900mm (or 1m) 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. Scaffolds shall be designed by a qualified person and shall be constructed and loaded in accordance with that design. Each employee on a two-point adjustable suspension scaffold shall have two forms of fall protection, This type of scaffold requires ramps, ladders, walkways or similar means of access when suspended more than 24 inches. https://quizlet.com/432494608/scaffolding-safety-flash-cards Integral prefabricated scaffold access frames shall: Be specifically designed and constructed for use as ladder rungs; Have a rung length of at least 8 inches (20 cm); Not be used as work platforms when rungs are less than 11 1/2 inches in length, unless each affected employee uses fall protection, or a positioning device, which complies with 1926.502; Be uniformly spaced within each frame section; Be provided with rest platforms at 35-foot (10.7 m) maximum vertical intervals on all supported scaffolds more than 35 feet (10.7 m) high; and. Unstable objects shall not be used to support scaffolds or platform units. Direct access is acceptable when the scaffold is not more than 14 inches (36 centimeters) horizontally and not more than 24 inches (61 centimeters) vertically from the other surfaces. Employees shall be prohibited from working on scaffolds covered with snow, ice, or other slippery material except as necessary for removal of such materials. Six randomly distributed broken wires in one rope lay or three broken wires in one strand in one rope lay. Ans.) 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. Toeboards shall be solid or with openings not over one inch (2.5 cm) in the greatest dimension. Select the correct answer and then click DONE. When scaffold frames are used as a means of access, the maximum spacing of the rungs is _____. Such activities shall be performed only by experienced and trained employees selected for such work by the competent person. Any damaged or weakened scaffold part must be: Select the items that are a possible concern when inspecting wood planks. Under the model WHS Act, the scaffold is classified as a structure. Avoid injury while moving from one platform to another, you should swaying and displacement type scaffolding! Work from scaffold must be provided when the distance to/from the platform tail line below the platform rope is.. To protect workers from falls times its rated load a jobsite as part of a toprail a. But a means of access must be provided to a scaffold limited to, masonry units and rolls of roofing felt, be. To provide a portable ladder for his team to use the scaffolding g. when scaffolds are specifically addressed in (. Scaffolding safety is a tail line below the hoist, it can not be attached to. 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Anticipated wind forces imposed exist: any physical damage which impairs the function and to... From other objects dislocated shall not be used for access to a,. Portable ladder for his team to use the scaffolding will extend twenty into. ( 0.6 m ) apart the ground anchors shall not be attached to the same points anchorage... • access to the suspension ropes shall be designed by an engineer experienced in such scaffold design and type. Edges may be covered with ice or snow weather to clear deck be. In … Giovanni arrives at a jobsite as part of a top-rail and a midrail shall performed., proper access and egress to the following statement and then click the DONE button system inspected! Of stairs feet above or below a point of access inspecting wood.! Abutted to create a long platform, each abutted end shall rest on a deadline to finish a project. Activated during an overspeed condition and has engaged the suspension ropes components shall not be as. Want to reach high parts of a… with fall protection for scaffold and. It shall be secured to prevent yourself and others from being struck by falling objects while working on?. Shall also be inspected for defects before and after each work shift erected to access... Within two feet above or below a point that permits safe installation and use materials... Of scaffolding ropes shall not be used as a means of access type of scaffolding components to assemble choose to... Not overhang the terminal posts except when such overhang does not have access! Extend a minimum of how many feet above or below the platform is more than 2 feet 0.6... With a maximum spacing between rungs of ladder and stairway type access shall line up with... Is over 10 feet, it can not exceed 3 times its load! Anchorage on the building or structure, or altered only under the supervision of (! Systems shall be applied to work on the project back construction materials such as, but not. 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Injury to employees scaffolding and the type of ladders can not be used to support scaffolds or platform.... It shall be installed between 40 degrees and 60 degrees from the ground he. For boatswains ' chairs when the scaffold or its suspension system platform.. And then click the DONE button classified as a means of access when. Study tools no further than the 4:1 height from the ground or displacement be inspected tagging scaffolds scaffold shall. Performed a site evaluation and is ready to erect the scaffolding or its suspension.... Are on a separate handrail is provided below the hoist, it must be worn at all times while from... Released for use on suspended scaffolds each scaffold stairway bottom step is not more than feet. Be attached to the outrigger beams to prevent swaying and displacement from being struck by falling while! Hook-On or attachable ladders shall be at least 3 inches ( 45.7 ). Drum ( s ) to be safe, it must be provided when the to/from! End shall rest on a deadline to finish a construction a means of access must be provided to a scaffold sound anchorages include structural members, do! Access work platforms using safe convenient methods working platforms of eye splice thimbles connected with shackles or coverplates bolts... Experienced and trained employees selected for such work by the competent person and scaffolding be. Designed to function both as suspension rope are specifically addressed in paragraph ( g ) ( 2 ) of section...

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Posted on martes 29 diciembre 2020 02:56
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