are positioned so that their bottom step is not more than 24 inches above the scaffold supporting level; have rest platforms at maximum vertical intervals of 12 feet; have a minimum step width of 16 inches, except for mobile scaffold stairway-type ladders, which must have a minimum step width of 11 inches; and, have slip-resistant treads on all steps and landings. A qualified person must do this analysis. b.Incompetent person c.40 - 48 inches (b) Googles? Scaffolding in this Guide means the individual components, for example tubes, couplers d.12. Cross bracing is not acceptable as an entire guardrail system but is acceptable for a toprail when the crossing point of the two braces is between 38 inches (0.9 meters) and 48 inches (1.3 meters) above the work platform and for midrails when between 20 inches (0.5 meters) and 30 inches (0.8 meters) above the work platform. and must be provided on any scaffold 10 feet or more above a lower level. Make sure frames and panels are connected by cross, horizontal, or diagonal braces, alone or in combination, which secure vertical members together laterally. A single tieback must be installed perpendicular to the face of the building or structure. The competent person must inspect the area to determine if this is a firm footing (see Answer to Question 3). d.35 feet, The top rail of a guardrail system must be installed how many inches above the platform? Note: Except where indicated, these requirements also apply to manually propelled, pump jack, ladder jack, tube and coupler, and pole scaffolds, as well as the specialty scaffolds described in their applicable sections. d.Two mud sills per leg, Scaffolds must be erected, dismantled, moved, or altered only under the supervision of a(n) ________. Key comparative information for Samsung, Apple, and Google follows. There were no guardrails at the working level. Counterweights used for suspended scaffolds shall be made of materials that cannot be easily dislocated. c.24 inches Make sure employees do not use cross-braces as a means of access. They must be in good worker order or tagged as defective and taken out of service. a. Dismantle the scaffolding. answers again. 3.Falling objects Check to ensure fall protection consists of either personal fall-arrest systems (PFAS) or guardrail systems meeting OSHA requirements. Have cross-cleats securely nailed at regular intervals not exceeding 500 millimetres. The competent person shall be trained in accordance with the Occupational Safety and Health Administration (OSHA) and responsible for: Qualified persons shall be responsible for: No University employee shall design scaffolding. Designing components in accordance with design specifications. No more than two workers are permitted to work at one time on suspension scaffold designed for a working load of 500 pounds. \text { Featured } Only the base coat gives the asphalt compressive strength.1. Additionally, scaffold erectors who have not erected a scaffold during the five year period from their previous scaffold erector training, shall need to be either replaced with an employee who is properly trained and will be erecting scaffolding on a more frequent basis or be retrained on the process of erecting scaffolds. Note: Except where indicated, these . 3.Maintain three points of contact while on a ladder. Is it safe for Giovanni and his team to use the scaffolding? 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. The team cannot wait any longer for the weather to clear. Included here are general requirements for all scaffolds. \text { Students-back } \\ Refusing to occupy a scaffold prior to the Competent Person providing documentation indicating that the scaffold has been inspected and deemed safe. Supported scaffolds consist of one or more platforms supported by outrigger beams, brackets, poles, legs, uprights, posts, frames, or similar rigid support. d. 8 feet, Except to remove such material, employees must not work on scaffolds covered in: Competent people shall only receive training from other competent people. a.16 inches All employees are prohibited from working on scaffolds covered with snow, ice, or other slippery materials. Each worker on a scaffold more than 10 feet above a lower level must be protected from falling to that lower level by use of guardrail systems or personal fall arrest systems. d. Repair any defective scaffolding components. Select the correct answer and then click DONE. [29 CFR 1926.451 (e) (1)] Direct access is acceptable when the scaffold is not more than 14 inches (36 cm) horizontally and not more than 24 inches (61 cm) vertically from the other . Sills shall be level and in full contact with the supporting surface. In its simplest form, a scaffold is any temporary elevated or suspended work surface used to support workers and/or materials. A qualified person must design all scaffolding in accordance with OSHA 29 CFR 1926.451 "General Requirements for Scaffolds" and 29 CFR 1926.452 "Additional Requirements Applicable to Specific Types of Scaffolds". Employers must provide access when the scaffold platforms are more than 2 feet (0.6 meters) above or below a point of access. a. 1.Climb the cross braces. uuid:F4AC72E838E6DC1181DF85762784E02C b. Horizontal members are erected in a manner that creates a usable ladder and provides good hand hold and foot space. Supported scaffold - a type of scaffold that is supported by poles, frames, and outriggers, and usually consists of one or more platforms. A ladder or other safe means of access must be provided. Make sure portable, hook-on, and attachable ladders are positioned so as not to tip the scaffold. Make a chart listing each ad and describing it as shown in the example below. The scaffolding platform will be 32 inches from the ground. a.One mudsill per leg Final inspection of the scaffold prior to initial occupation for use. The spaces between platforms cannot exceed one inch. What do you need to do with a ladder that is defective? If a ramp or walkway has a slope of more than 1:8, make sure it has cleats securely fastened to the planks not more than 14 inches apart, to provide footing. What should be Jayden's next step? The use of shore scaffolds and lean-to-scaffolds is strictly prohibited. Scaffolding must not be placed on unstable objects, such as bricks or blocks. Stationary scaffolds over 125 feet in height and rolling scaffolds over 60 feet in height shall be designed by a professional engineer. The scaffolding components are clearly from various manufacturers. Two feet What should you do before dismantling a scaffold? Select the correct answer and then click DONE. Scaffolds shall be erected, moved or disassembled only under the supervision of qualified persons. Each worker on a suspended scaffold must be protected by a personal fall arresting system attached to an independent lifeline. The roles of these trained individuals as well as apartial list of their associated responsibilites can be found below. Plasterers, decorators and large area scaffolds; Step, platform and trestle ladder scaffolds; and. Barbara and her team erected scaffolding outside of a building earlier this week. Remove ties and braces. a safe means of access shall be provided when a competent person has determined the feasibility and analyzed the site . Any damaged or weakened component of a scaffold must be repaired or replaced immediately. 1.Wear personal fall arrest systems (PFAS). Erecting scaffolds in accordance with local, state, and federal. Erectors and dismantlers face additional access problems due to the incomplete condition of the scaffolding. By itself it is not normally a useable foundation material. For the current year, is Samsungs cash flow on total assets ratio better or worse than (a) Apples and Select the correct answer and then click DONE. A scaffold is a temporary structure erected to support access or working platforms. All scaffolds used in construction, renovation, repair (including painting and decorating), and demolition shall be erected, dismantled and maintained in accordance with this policy and procedure. The end points of the cross bracing must be no more than 48 inches (1.3 meters) apart vertically. Compacted Gravel Roads - This type of road surface may have adequate strength but the material does not provide a smooth surface. This must be done prior to initial use of the scaffold each shift. a.One foot No University employee shall erect scaffold greater than or equal to 20 feet. \text { discount; pink or silver; } \\ d.5 to 1, The space between adjacent planks and the space between the plank and the uprights must be no more than: \hline \text { Television } & \text { Blackberry } & \begin{array}{l} All brace connections must be secured. 4.Wear face masks. Select the correct answer and then click DONE. front-end loaders and similar pieces of equipment are not used as support scaffold platforms, unless they have been specifically designed by the manufacturer for such use. 1. Specific requirements for one type each ofsupported scaffold (tubular welded frame) and suspended scaffold (two-point suspension) are included in the sections below. Load carrying information on components is available from the scaffold manufacturer. Special consideration is required when scaffolding is to be erected on fill, soft or frozen ground. . Work shall not be permitted during high winds. However, an evaluation of the deck for its maximum allowable loading would be required, since the decking or deck structure could fail under a full scaffold load. . c.30 feet Wood planks used for platforms on scaffolding shall be specifically graded for scaffold use by an approved grading agency. Scaffolding is widely used during construction and renovation activities. \end{array} Make sure frames and panels are joined together vertically by coupling or stacking pins or equivalent means. 2. must be plumb (exactly vertical) and braced to prevent swaying and displacement. 4.Use cinder blocks to level the uneven ground. It is impossible for a stable scaffold structure to be built unless _____. In its simplest form, a scaffold is any temporary elevated or suspended work surface used to support workers and/or materials. to prevent falls. Workers are most vulnerable to fall hazards when climbing on or off a scaffold. d.2 inches, If the platform is 10 feet or less, it cannot exceed how many inches over the centerline support? Make sure hook-on and attachable ladder rungs: are positioned so that their bottom rung is not more than 24 inches above the scaffold supporting level; have uniform spacing between rungs of a maximum 16 inches; have minimum rung length of 11 inches; and, have rest platforms provided at a maximum of 35-foot vertical intervals. Each worker 10 feet (3.1 meters) above a lower level must be protected from falling by a personal fall arrest system when working from a boatswain's chair, ladder jack, needle beam, float, or catenary scaffolds. The lifeline must be attached securely to substantial members of the structure (not the scaffold) or to securely rigged lines that will safely suspend the employee in case of a fall. The regulatory text also is found in 29 CFR 1926, Subpart L, which is available from the Government Printing Office at (202) 512-1800; (202) 512-2250 fax - Order No. All other components must be capable of supporting at least four (4) times the rated load. The scaffolding will extend twenty feet into the air. F: 773.702.6546 b.3 to 1 2008-02-28T15:30:48-05:00 The standard requires employers to protect each employee on a scaffold more than 10 feet (3.1 m) above a lower level from falling to that lower level. d.6 inches, A means of access must be provided when the scaffold platform is more than how many feet above or below a point of access? Tying, guying, or bracing may be needed to assure a safe and stable scaffold assembly. Cross braces shall not be used as a means of access. All scaffolds more than six feet above the lower level shall protect employees with guardrails on each open side of the scaffold. Stairs must be at least 18 inches wide and have a landing platform at least 18 inches long at each level. When hook on ladders is used, they must be provided with a rest platform every 35 feet. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. The footing of scaffolding must be sound and rigid, capable of supporting the weight. Scaffolding must not be placed on unstable objects, such as bricks or blocks. Scaffolding must not be placed on unstable objects, such as bricks or blocks. 12. Inspecting all scaffold components prior to assembly to insure that components used are of similar material and in good repair before becoming a part of the completed scaffold. In general, a level is the easiest way to achieve the desired right angles. 2012-10-05T11:53:02-04:00 The competent person / trainer shall be verified to be of sufficient knowledge, skill set, and experience to provide said training. Select the correct answer and then click DONE. a.5 All scaffolds and their components must support without failure its own weight and at least four times the maximum intended load applied or transmitted to the scaffold. To protect against falling objects, screens must be installed between the toeboard and midrail if anyone is required to pass under the scaffolding. c.Select an anchor point for Personal Fall Arrest Systems (PFAS). Is the change in Samsungs cash flow on total assets ratio favorable or unfavorable? Direct access from another surface is acceptable when the scaffold is not more than 14 inches horizontally and not more than 24 inches vertically from the other surfaces. a.Competent person 1926.451(e)(1) . Stair treads must be of slip-resistant design. a. 3.Check that no structural alterations were made. Direct access is acceptable when the scaffold is not more than 14 inches (36 cm) horizontally and not more than 24 inches (61 cm) vertically from the other surfaces. d.24 inches, On high scaffolds, all planks should be secured by being tied down with: The footing of scaffolding must be sound and rigid, capable of supporting the weight. Acrobat Distiller 7.0.5 (Windows) Refresher type training will be provided on an as needed basis; the periodicity of this training to be determined by EHS and the departments management, but should not exceed a period of 5 years from the previous training. A means of access must be provided when the scaffold platform is more than how many feet above or below a point of access? EXCEPTION: Scaffolds and materials may be closer to power lines than specified where such clearance is necessary for performance of work and only after the utility company or electrical system operator has de-energized or relocated the lines. b.Two feet When erecting and dismantling tubular, welded-frame scaffolds, and end frames are used as climbing devices for access, make sure: Horizontal members are parallel, level, and not more than 22 vertical inches apart. The weather has been an issue and has pushed the project back. The victim was climbing the end-frame of a three-tiered metal scaffold when a midrail pulled loose. Replace any missing ties or braces. Select the correct answer and then click DONE. Insulated Lines; Voltage Minimum; Distance Alternatives, Uninsulated Lines; Voltage Minimum; Distance Alternatives. has not been allowed to accumulate on the platform. 4. a. He performed a site evaluation and is ready to erect the scaffolding. 100% (1) Access must be provided when the scaffold platforms are more than 2 feet above or below a point of access. b. Select the correct answer and then click DONE. Click on the button to see requirements for ladders on stair tower systems. Utilizing scaffolds in accordance with all local, state, federal, manufacturer, and institutional rules and regulations. Providing a scaffold to the user that is free from recognizable and preventable hazards (i.e. The scaffold and its components must be capable of supporting four times the rated load. \text { Advertisement } b.6 b.12, 16 At what height must employees use fall protection while working on a scaffold? Scaffolds must be braced by cross, horizontal, or diagonal braces, or a combination thereof. 1.Slips and falls This threshold differs from 29 . \begin{array}{l} d.Choose access points. Cold asphalt paving (winter) - Asphalt has minimal compressive strength, even when cold, and especially when applied. The use of repaired wire rope is prohibited. Scaffold components manufactured by different manufacturers shall not be intermixed unless the components fit together without force and the scaffolds structural integrity is maintained. He notices that there have been several large spills of paint over them. What is the widest gap permitted between adjacent planks or deck units, or between the platform and the uprights of a scaffold? 1.Snow 2. The work area for each scaffold platform and walkway must be at least 18 inches (46 centimeters) wide. Fall Protection. A competent person must make the feasibility determination based on site conditions and the type of scaffold being erected or dismantled. Featured } Only the base coat gives the asphalt compressive strength.1 shore scaffolds and lean-to-scaffolds is prohibited. 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