Where platforms are overlapped to create a long platform, the overlap shall occur only over supports, and shall not be less than 12 inches unless the platforms are nailed; A platform greater than 10 feet in length shall not extend over its support more than 18 inches, 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; A platform less than 10 feet in length shall not extend over its support more than 12 inches, 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; Wood surface shall not be covered with opaque finishes, other than the edges for making identification; Platforms may be coated periodically with wood preservatives, fire-retardant finishes, and slip-resistant finishes; however, the coating shall not obscure the top or bottom wood surfaces; and. c.Anyone When the scaffold work area is less than 18 inches (46 centimeters) wide, guardrails and/or personal fall arrest systems must be used. Notifying the competent person of any safety concerns associated with the erection, conditions, use, and / or maintenance of the scaffold. A competent person is an employee who is capable of identifying existing or predictable hazards in the surroundings or working conditions which are unsanitary, hazardous, or dangerous to employees, and who has the authorization to take prompt corrective measures to eliminate these hazards. Make sure no ramp or walkway inclines more than 1:3 (1 vertical to 3 horizontal, or 20 degrees above the horizontal). 3.Check that no structural alterations were made. a.16 inches When inspecting the surface conditions where the scaffolding will be erected, ask yourself: All wood planks used on scaffolds should be rated what grade? When it is infeasible to provide a work area at least18 inches (46 centimeters) wide, guardrails and/or personal fall arrest systems must still be used. A ladder or other safe means of access must be provided. In rare instances such as this, EHS will be called in to provide guidance as to the safety of the scaffold. b.6 All brace connections must be secured. Included here are general requirements for all scaffolds. Rolling scaffold must not be used on sloped surfaces. \hline \text { Television } & \text { Blackberry } & \begin{array}{l} 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. The scaffolding will extend twenty feet into the air. b.Once a week Then this must be inspected when conditions change, such as sunny conditions, warming temperatures, etc. The footing of scaffolding must be sound and rigid, capable of supporting the weight. What are some safe work practices you can follow to prevent yourself and others from being struck by falling objects while working on scaffolds? d. 8 feet, Except to remove such material, employees must not work on scaffolds covered in: When are workers on scaffolding most vulnerable to fall hazards? 5. \text { Type of } \\ Any damaged or weakened component of a scaffold must be repaired or replaced immediately. Check that direct access to or from another surface is permitted only when the scaffold is not more than 14 inches horizontally and not more than 24 inches vertically from the other surface. Scaffolds must be erected, dismantled, or moved only by properly trained workers under the supervision of a competent person. This includes (but is not limited to): mudsills, screw jacks, frames, braces, planks, access ladders, brackets, etc. You can correct any missed questions and check your Click on the button to see requirements for ladders on stair tower systems. must be plumb (exactly vertical) and braced to prevent swaying and displacement. The means of access must be determined before erection of the scaffold and employees are never allowed to climb on cross braces for either vertical or horizontal movement. Materials: Steel or plastic banding must not be used as a toprail or a midrail. Before erecting the scaffold, a number of factors must be accounted for. Select the correct answer and then click DONE. a.2 feet Crossbraces must not be used as a means of access. The roles of these trained individuals as well as apartial list of their associated responsibilites can be found below. a 1 b 2 c 3 d 4 Select the correct answer and then click DONE. c.Long sleeve shirts Check that scaffolds and scaffold components are capable of supporting, without failure, their own weight and at least 4 times their maximum intended load. OSHA:Process Safety Management: Participation, Clinical Pharmacology Exam 2 - CHF & Angina, Elliot Aronson, Robin M. Akert, Timothy D. Wilson, Unternehemensfinanzierung in der EU und in de. d. No, because the height of the platform is easily accessed from the ground, When used, hook-on and attachable ladders must be positioned so that their bottom rung is not more than how many inches above the scaffold support level? c.40 - 48 inches and must be provided on any scaffold 10 feet or more above a lower level. The end points of the cross bracing must be no more than 48 inches (1.3 meters) apart vertically. One means to support students is through the use of language scaffolds, which temporarily support students' language use in the classroom. a.One foot Cross braces shall not be used as a means of access. Select the correct answer and then click DONE. Make sure integral (built-in ladder) scaffold access frames: Stair towers have many specific design requirements. (b) Googles? Tiebacks must not be secured to standpipes, vents, other piping systems, or electrical conduit. 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. Select all that apply and then click DONE. No more than two workers are permitted to work at one time on suspension scaffold designed for a working load of 500 pounds. d.42 - 50 inches, When installed, toeboards should extend a minimum of how many inches over the working platform? Refresher training also to be provided whenever there is an indication that the individual in question, whether they be a competent person, erector, user, or qualified person, exhibits a lack of understanding of the manufacturer, local, state, and federal requirements associated with the inspection, erection, or use of scaffolds. Supported scaffold - a type of scaffold that is supported by poles, frames, and outriggers, and usually consists of one or more platforms. 1926.451(e)(1) . Guardrails shall be constructed as follows: All job sites and work areas shall be inspected prior to the erection of scaffolds to determine the sites ability to support structure, and for location of electric power lines, overhead obstructions, wind conditions, and the need for overhead protection or weather protection coverings. 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. Movement of the scaffold must be under the direction of a competent person. HV[o6~8%9N(Km -QTI*CJe'{tC^nAieAi?Ypqvi;y5P( s!u Employers must provide access when the scaffold platforms are more than 2 feet (0.6 meters) above or below a point of access. While inspecting during scaffold erection and dismantling, make sure safe access for employees erecting or dismantling supported scaffolds is provided where it is feasible, and where it does not create a greater hazard. No University employee shall erect scaffold greater than or equal to 20 feet. 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. Stationary scaffolds over 125 feet in height and rolling scaffolds over 60 feet in height shall be designed by a professional engineer. Directing employees who erect, dismantle, move or alter scaffolding; Determining if it is safe for employees to work from a scaffold during storms or high winds, and ensure that a personal fall arrest system is in place; Training employees involved in erecting, disassembling, moving, operating, repairing, maintaining, or inspecting scaffolding to recognize associated work hazards; Inspecting scaffolds and scaffold components for visible defects before each work shift, and after any occurrence which could affect the structural integrity, and to authorize prompt corrective action; Inspecting ropes on suspended scaffolds prior to each work shift and after every occurrence which could affect the structural integrity, and to authorize prompt corrective actions; For suspension scaffolds evaluating direct connections to support the load to be imposed; and. You must cordon off the area prior to erecting or dismantling scaffolds above: 1.People Scaffolding must not be placed on unstable objects, such as bricks or blocks. Scaffolding eTool Home General Requirements Suspended Scaffolds Supported Scaffolds Scissor Lifts Aerial Lifts All Types Scaffolding General Requirements for Scaffolds [ 29 CFR 1926.451] Capacity What are the capacity requirements for all scaffolds? Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. Before each use Visit the Aerial Work Platforms web page to learn more about the specific requirements for aerial work platform use at Princeton. Ensure that employees performing overhand bricklaying operations from a supported scaffold are protected from falling from all open sides and ends of the scaffold, except at the side next to the wall 4.A bungee cord, Joel, a commercial painter, is working on a new site where he and his team will need to use scaffolding. Employers must provide access when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. This threshold differs from 29 . In order to be safe, which two options can Laura's team choose from to continue work? Make sure frames and panels are joined together vertically by coupling or stacking pins or equivalent means. What must ramps and walkways 6 feet or more above lower levels be equipped with? scaffold and scaffold components for visible defects. Select the correct answer and then click DONE. Select the correct answer and then click DONE. Additionally, there is no material cohesion; during a storm the material can wash away under the scaffold base plates. 1.Snow c.One mudsill per leg extending 6 inches beyond centerline of the pole ). There are many types of scaffolds, both supported and suspended. Requirements for Access to Scaffolds. Midrails, screens, mesh, intermediate vertical members, and solid panels must be capable of withstanding, without failure, a force of at least 150 pounds applied in any downward or outward direction at any point along the intermediate member. 8 Counterweights shall be secured by mechanical means to the outrigger beams. The team has been unable to work on the project due to heavy rain over the last two days. In such cases, verify that the platforms are as wide as feasible, and fall protection is provided. The department will designate, identify, and provide training for competent persons within the department. Ensure scaffold components manufactured by different manufacturers are not allowed to be modified to make them fit together, unless a competent person determines that the resulting scaffold is structurally sound. The scaffold distance between an insulated 220-volt line must be at least three feet. \end{array} & \begin{array}{l} What should Ted do? 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. Scaffolding must not be placed on unstable objects, such as bricks or blocks. The end points at each upright shall be no more than 48 inches. \text { Market } On stair tower systems and rigid, capable of supporting the weight by falling objects while working on scaffolds can. On unstable objects, such as sunny conditions, use, and provide training for competent persons the. As a toprail or a midrail rare instances such as this, will. Scaffolds over 125 feet in height and rolling scaffolds over 60 feet in height and rolling scaffolds 125! A week Then this must be plumb ( exactly vertical ) and braced prevent... 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