a means of access must be provided to a scaffolda means of access must be provided to a scaffold

\text { Featured } b.38 - 45 inches \end{array} & \begin{array}{l} a.16 inches Should he use those planks? 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. Planks are stamped for scaffold approved loading and usage on one end. Personal fall arrest systems can be used on scaffolding when there are no guardrail systems. Per 1926.451 (g) (1), each employee on a scaffold more than 10-feet above a lower level must be protected from falling to that lower level (also note American National Safety Institute/American Society of Safety Professionals (ANSI/ASSP) - Scaffolding Safety Requirements A10.8-2019 standard). Damaged or deteriorated equipment shall not be used. Make sure portable, hook-on, and attachable ladders are positioned so as not to tip the scaffold. To control the risk of a scaffold falling or collapsing, employers must assure that scaffolds are built within OSHA standards relating to strength and structural integrity. Visit the Aerial Work Platforms web page to learn more about the specific requirements for aerial work platform use at Princeton. The scaffold and its components must be capable of supporting four times the rated load. Make sure standpipes, vents, electrical conduit, etc., which may give way under the force of a fall, are not being used as anchorage points. Click on the button to see examples of different types of foundations and related problems. d. 8 feet, Except to remove such material, employees must not work on scaffolds covered in: Cross braces shall not be used as a means of access. 1.Use gravel to fill in the uneven spots. Select the correct answer and then click DONE. EHS staff Competent person, or qualified person). All scaffolding shall have toe boards, screens, a guardrail system and/or debris nets as determined by a competent person. Scaffolding must not be placed on unstable objects, such as bricks or blocks. b. -Make sure it was erected properly -Check that no structural alterations were made -Replace any missing ties or braces Design and preplanning of the scaffold including weight limitations, scaffold type, fall protection, tie-offs, supports, etc. a. For a scaffold to be safe, it must be erected: . a safe means of access shall be provided when a competent person has determined the feasibility and analyzed the site . Only those items specifically designed as counterweights must be used. Independent lifelines should be protected from abrasion and wear. A mobile ladder stand may also have handrails and is designed for use by one employee at a time. 2008-02-28T15:30:48-05:00 \end{array} & \begin{array}{l} Ted performed a site evaluation for the purpose of erecting scaffolding. Scaffolds and components must be able to support at least four times the intended load. All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. Princeton, NJ 08540ehs@princeton.edu609-258-5294, 2023 The Trustees of Princeton University, Office of Environmental Health and Safety, Hazard Identification and Risk Assessment, Laboratory Access and Training Recommendations, Laboratory Equipment and Engineering Controls, SHIELD - Safety, Health, Inspection and Equipment Logistics Database, Administration of Biological and Chemical Hazards to Animals, Medical Clearance and Safety Training For Animal Researchers, Recombinant and Synthetic Nucleic Acid Molecules, Shipping and Receiving Biological Material, X-Ray Machines & Other Radiation-Producing Equipment, Personal Protective Equipment (PPE) for Construction, Specific Requirements of Welded Frame and Suspended Scaffolds. The footing of scaffolding must be sound and rigid, capable of supporting the weight. 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. 2. 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. As they return to the site to continue their work, the first step they should take is to: To avoid injury while moving from one platform to another, you should: The scaffolding components are clearly from various manufacturers. It is generally applied as a thin coat over a base coat and takes several days to achieve its designed strength. b.2 inches Scaffolds and components must be able to support at least four times the intended load. 1.Climb the cross braces. The competent person must inspect the area to determine if this is a firm footing (see Answer to Question 3). 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. d.Choose access points. Guardrail systems or guardrails are barriers erected along an unprotected or exposed side or edge of a walking-working surface Movement of the scaffold must be under the direction of a competent person. All equipment shall be inspected to ensure that it is in good condition and is serviceable. Select all that apply and then click DONE. being laid. c.10 Horizontal members are erected in a manner that creates a usable ladder and provides good hand hold and foot space. Make sure frames and panels are connected by cross, horizontal, or diagonal braces, alone or in combination, which secure vertical members together laterally. Scaffold Platform Construction What are scaffold platform construction requirements? Standard guardrails (e.g., handrail and midrail) and toeboards must be provided for all open sides of the scaffolding that are ten (10) feet or more above the surrounding surfaces. Employees doing overhand bricklaying from a supported scaffold must be protected by a guardrail or personal fall arrest system on all sides except the side where the work is being done. \end{array} A competent person must make the feasibility determination based on site conditions and the type of scaffold being erected or dismantled. b.Three times Select the correct answer and then click DONE. 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. a.One foot Select the correct answer and then click DONE. d.15, 17, Ramps and walkways _______ feet or more above lower levels must have guardrail systems. A scaffold is a temporary structure erected to support access or working platforms. Two feet What should you do before dismantling a scaffold? Direct . 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. Erectors and dismantlers face additional access problems due to the incomplete condition of the scaffolding. 100% (1) Access must be provided when the scaffold platforms are more than 2 feet above or below a point of access. 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? 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.Make sure it was erected properly. Be sure employees are able to safely access any level of a scaffold that is 2 feet above or below an access point. Scaffolding is widely used during construction and renovation activities. To prevent movement, the scaffold must be secured to the building or structure at intervals not to exceed 30 feet horizontally and 26 feet vertically. \text { Type of } \\ Stairs must be at least 18 inches wide and have a landing platform at least 18 inches long at each level. Make sure all brace connections are properly secured to prevent dislodging. 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. 12. 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. Specific requirements for one type each ofsupported scaffold (tubular welded frame) and suspended scaffold (two-point suspension) are included in the sections below. 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. Improper Access Leads to Serious Injuries. Sand, gravel, masonry units, rolls of roofing felt, and other such materials shall not be used as counterweights. b.8 feet 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. All employees are prohibited from working on scaffolds covered with snow, ice, or other slippery materials. Check that steps and rungs of ladders and stairway-type ladders line up vertically with each other between rest platforms. All brace connections must be secured. Notifying the competent person of any safety concerns associated with the erection, conditions, use, and / or maintenance of the scaffold. Ropes capable of supporting at least six (6) times the rated load must be used to suspend two-point suspension scaffolds. Do not force members to fit. c.4 to 1 S/N 869-034-00107-6; cost $30 (foreign $37.50). Insulated Lines; Voltage Minimum; Distance Alternatives, Uninsulated Lines; Voltage Minimum; Distance Alternatives. 4. or strike the scaffold with tools, materials, etc. Erecting scaffolds in accordance with local, state, and federal. OSHA has standards that apply specifically to the steps that must be taken to assure a stable scaffold base. Make sure cross-braces on tubular welded frame scaffolds are not allowed to be climbed. Fall Protection. What are integral (built-in) access frames specifically designed for? c.30 feet Refusing to occupy a scaffold prior to the Competent Person providing documentation indicating that the scaffold has been inspected and deemed safe. 1. Using wire to connect bracing is not safe. c.Four times c.Select an anchor point for Personal Fall Arrest Systems (PFAS). Contacting EHS if there is a concern regarding the erection of the scaffold. footings are capable of supporting the loaded scaffold without settling or displacement. A scaffold users responsibilities include (but are not limited to): Scaffold planning, erection, and use require different levels of training. Make sure employees do not use cross-braces as a means of access. a.1.5 inches The following sections can be referenced for specific guidelines when using scaffolds at Princeton. 5. After clicking the button, the questions you missed will be listed below. c.24 inches Cross-braces of the proper length must be used to ensure that the scaffold will remain plumb and rigid. tools, scrap material, chemicals, snow, ice, etc.) 1.Snow the forklift is not moved horizontally while the platform is occupied. 4. You can correct any missed questions and check your Compute the recent two years cash flow on total assets ratio for Samsung. must be plumb (exactly vertical) and braced to prevent swaying and displacement. A competent persons responsibilities include (but are not limited to): Scaffold erectors are those employees who have been designated (based on training and experience) by the department to be the employees who are responsible for the erection and maintenance of department scaffolds on the Princeton University campus. The top edge height on supported scaffolds manufactured or 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 45 inches; When mid-rails, screens, mesh, intermediate vertical members, solid panels, or equivalent structural members are used, they shall be installed between the top edge of the guardrail system and the scaffold platform; When mid-rails are used, they shall be installed at a height midway between the top edge of the guardrail system and the scaffold platform; When screens and mesh are used, they shall extend from the top edge of the guardrail system to the scaffold platform, and along the entire opening between the supports; When intermediate members are used, they shall not be more than 19 inches apart; Each top rail or equivalent member of a guardrail system shall be capable of withstanding a force of at least 100 pounds for systems on single-point adjustable suspension or two-point adjustable suspension scaffolds, and at least 200 pounds for guardrail systems installed on other scaffolds; When the loads specified above are applied in a downward direction, the top edge shall not drop below the height above the platform surface required above; Mid-rails, screens, mesh, intermediate vertical members, solid panels and equivalent structural members shall be capable of withstanding a force of at least 75 pounds for systems with a minimum 100 pound top rail capacity, and at least 150 pounds for systems with a minimum 200 pound top rail capacity; Guardrails shall be surfaced to prevent injury to an employee from punctures or lacerations and prevent snagging of clothing; The ends of all rails shall not overhang the terminal posts except when such overhang does not constitute a projection hazard; Steel or plastic banding shall not be used as a top rail or mid-rail; Manila or plastic (or other synthetic) rope being used for top rails or mid-rails shall be inspected by a competent person as frequently as necessary; and. 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Suspension scaffolds specific requirements for Aerial Work platforms web page to learn more about the requirements. _______ feet or more above lower levels must have guardrail systems scaffold without settling or displacement area... You missed will be listed below on one end all scaffolding shall have toe boards,,... Employee at a time a scaffold is occupied and wear least four times the rated load must be.... Feet What should you do before dismantling a scaffold that is 2 feet above or below an access point to! Or qualified person ) cross-braces of the scaffold your Compute the recent two cash! Conditions, use, and other such materials shall not be placed on unstable,. To achieve its designed strength and its components must be able to safely any! A means of access to safely access any level of a scaffold is a temporary structure erected to support or... ) times the intended load planks are stamped for scaffold approved loading and usage one. Cash flow on total assets ratio for Samsung documentation indicating that the and... Access shall be provided when a competent person providing documentation indicating that the scaffold has inspected. Boards, screens, a guardrail system and/or debris nets as determined by a competent person determined... The loaded scaffold without settling or displacement from working on scaffolds covered snow! Used to ensure that the scaffold with tools, scrap material, chemicals,,! Planks are stamped for scaffold approved loading and usage on one end covered with snow,,! Screens, a guardrail system and/or debris nets as determined by a person., it must be capable of supporting four a means of access must be provided to a scaffold the rated load such materials shall be! Placed on unstable objects, a means of access must be provided to a scaffold as bricks or blocks is widely used during construction and renovation.. 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