Access shall be provided when scaffold platforms are more than 24 inches above or below the point of access. 4.Wear face masks. Designing components in accordance with design specifications. OA025.pdf The most frequent fall-from-elevation accident is a fall off ladders. Do not use unstable objects such as loose bricks, blocks of wood or concrete to shore up the uneven surface. a.18 inches Make a chart listing each ad and describing it as shown in the example below. Cross-braces of the proper length must be used to ensure that the scaffold will remain plumb and rigid. Frequency of the training to be determined by EHS and department management, but should not exceed period of 5 years from the previous training. Make sure integral (built-in ladder) scaffold access frames: Stair towers have many specific design requirements. 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. 3.Check that no structural alterations were made. Uplift is the separation of a frame from the frame below it. 1.Use gravel to fill in the uneven spots. He fell approximately 12 feet to a concrete dock. What is a joint underwriting association (JUA)? Jose, a house painter, performs an inspection on the wooden planks of the scaffolding. As they return to the site to continue their work, the first step they should take is to: b. When horizontal lifelines are used, make sure they are being secured to two or more structural members of the scaffold. Visit the Aerial Work Platforms web page to learn more about the specific requirements for aerial work platform use at Princeton. 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. \end{array} The competent person is the shop supervisor or her/his designated representative. \text { Product } \\ \text { Advertised } Fall protection consists of either personal fall-arrest systems or guardrail systems, and must be provided on any scaffold 10 feet or more above a lower level. Check to ensure safe points of anchorage, such as structural members of buildings, are being used. 2.Toss tools and other items from the scaffold. safety@uchicago.edu, The University of Chicago Environmental Health and Safety, University of Chicago Accident Incident Reporting (UCAIR) System, Disabilities Self-Identification Questionnaire, Accident Incident Reporting and Investigation Program, Institutional Roles and Responsibilities for Safety Culture, Temporary Stairways, Ladders and Portable Ladders, Temporary Structures, Grandstands, or Buildings, Two-Point Adjustable Suspension Scaffolds. Make sure portable, hook-on, and attachable ladders are positioned so as not to tip the scaffold. Sand, gravel, masonry units, rolls of roofing felt, and other such materials shall not be used as counterweights. 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. 2.Electrical . to prevent falls. 5. Sills shall be level and in full contact with the supporting surface. The spaces between platforms cannot exceed one inch. Guardrails shall be installed along the open sides and ends before releasing the scaffold for use by the employees, other than erection or dismantling crews. Select the correct answer and then click DONE. Stairways must: have the stringers with a maximum slope of 60 degrees from the horizontal handrail on the open side of each flight Ramps used to access scaffolds must: Have a slope gradient not exceeding 1 in 3. A scaffold users responsibilities include (but are not limited to): Scaffold planning, erection, and use require different levels of training. d.28 inchesa, When ladders are used on a supported scaffold that is taller than 35 feet, then rest platforms must be available at intervals no greater than: \text { use to get e-mail, surf the } \\ Platforms shall be entirely planked and decked with space not more than one inch wide between the platforms and uprights; The platform shall not deflect more than 1/60 of the span when loaded; All platforms shall be kept clear of debris or other obstructions that may hinder the working clearance on the platform; Wood planks shall be inspected to see that they are graded for scaffold use, are sound and in good condition, straight grained, free from saw cuts, splits and holes; Platforms and walkways shall be at least 18 inches in width. There were no guardrails at the working level. multiple fractures to the head, left and right foot, and left wrist, and torn ligaments in the knees. A qualified person must do this analysis. Supported scaffold - a type of scaffold that is supported by poles, frames, and outriggers, and usually consists of one or more platforms. fall protection systems in place, falling object prevention in place, appropriate access / egress to and from the scaffold, appropriate anchorage and stability of the structure, appropriate walking / working surfaces, maintaining appropriate clearances from electrical hazards, etc.). Its critical to check to make sure scaffolds do not exceed their rated capacity. Platforms shall be constructed as follows: 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. a.One mudsill per leg Training of other scaffold users if needed. Erectors and dismantlers face additional access problems due to the incomplete condition of the scaffolding. What are supported scaffold foundations set on to ensure stability? Employees erecting and dismantling supported scaffolding must have a safe means of access provided when a competent person has determined the feasibility and analyzed the site conditions. 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 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. Any damaged or weakened scaffold part must be: Select the items that are a possible concern when inspecting wood planks. 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. 13. No University employee shall design any scaffolding. \end{array} & \begin{array}{l} c.30 feet 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. Note: Except where indicated, the same basic scaffold requirements that appear in this module also apply to manually propelled, pump jack, ladder jack, tube and coupler, and pole scaffolds, as well as the specialty scaffolds described in this course. Be sure employees are able to safely access any level of a scaffold that is 2 feet above or below an access point. Proper pinning is necessary to make sure the scaffold is steady and does not collapse. 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. After answering all the questions, click on the "Check Quiz Answers" button to grade your quiz and see your score. Select the correct answer and then click DONE. Hard hats Acrobat Distiller 7.0.5 (Windows) b.Yes, because the platform is more than two feet off the ground, or point of access. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. c.10 inches 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 Barbara and her team erected scaffolding outside of a building earlier this week. Design and preplanning of the scaffold including weight limitations, scaffold type, fall protection, tie-offs, supports, etc. All erection of scaffold greater than or equal to 20 feet shall be conducted by a licensed contractor. The electronic address to view or download a copy as found on OSHA's Website is www.osha.gov. Select the correct answer and then click DONE. Scaffold users must be trained in the recognition of the hazards associated with working on a scaffold they may be using including: the hazards of the particular scaffold that they intend to use; the nature of any fall, falling object, or electrical hazards; the correct procedures for dealing with electrical hazards and for erecting, maintaining, and disassembling the fall protection systems and falling object protection systems being used; the proper use of the scaffold and the proper handling of materials on the scaffold; the maximum intended load carrying capacities of the scaffolds used. d.35 feet, The top rail of a guardrail system must be installed how many inches above the platform? What are some safe work practices you can follow to prevent yourself and others from being struck by falling objects while working on scaffolds? Maximum intended load and load-carrying capacities of scaffolds used. 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? Scaffolding in this Guide means the individual components, for example tubes, couplers HV[o6~8%9N(Km -QTI*CJe'{tC^nAieAi?Ypqvi;y5P( s!u TypeofAdvertisementProductAdvertisedTargetMarketProductInformationFeaturedTelevisionBlackberryStudents-backtoschoolBlackberryPearl;$20discount;pinkorsilver;usetogete-mail,surftheWeb,andgetdirections\begin{array}{llll} Scaffold Platform Construction What are scaffold platform construction requirements? Therefore, employers are required to provide safe scaffold access. 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. 1926.451(f)(3) Erecting and DismantlingWhen erecting and dismantling supported scaffolds, a competent person2 must determine the feasibility of providing a safe means of access and fall protection for these operations. b. 2008-02-28T15:30:48-05:00 Supported scaffolds consist of one or more platforms supported by outrigger beams, brackets, poles, legs, uprights, posts, frames, or similar rigid support. 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. Nature of electrical, fall hazards and falling object hazards in the work area; Proper handling of materials on scaffolds; Proper erecting, maintaining and disassembling of fall protection systems; Proper construction, use, placement and care in handling of scaffolds; and. d.Hearing protection. b.Use the scaffolding as is. c.No, because the platform is less than three feet from the ground, or point of access. Scaffolds must be erected, dismantled, or moved only by properly trained workers under the supervision of a competent person. 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. Any damaged or weakened component of a scaffold must be repaired or replaced immediately. Scaffolds must be braced by cross, horizontal, or diagonal braces, or a combination thereof. Make sure that anything that could cause a slip, trip or fall (i.e. When the work area is less than 18 inches wide. 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. 3.Use mudsills to provide a firm foundation. 4. Scaffold is not level because it was erected without base plates on an uneven surface. The department also to provide competent person with document indicating that they are competent persons representing their respective departments and shall agree to uphold all local, state, and federal rules and regulations as they relate to scaffolding. He performed a site evaluation and is ready to erect the scaffolding. The scaffolding platform will be 32 inches from the ground. b.1 inch Chicago, Illinois 60615, T: 773.702.9999 Its important to make sure components are compatible and made of similar metals, or scaffold failure could occur. The ground where he needs to place the footing is dry but uneven in spots. When 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 stairways/towers), stairway-type ladders (such as ladder stands), ramps, walkways, integral prefabricated scaffold access, or direct access from another scaffold, structure, personnel d.Choose access points. b.Dismantle the scaffolding. When are workers on scaffolding most vulnerable to fall hazards? Outriggers must be used on narrow frame type scaffolds (i.e. Should he use those planks? 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. 100% (1) Access must be provided when the scaffold platforms are more than 2 feet above or below a point of access. Utilizing a scaffold on the Princeton University Campus for any reason requires specific involvement with several types of trained individuals. c. 3.5 inches \end{array} \\ Ensuring all inspection and maintenance practices for scaffolds are conducted by a competent person in accordance with this policy and procedure. \text { Type of } \\ The footing of scaffolding must be sound and rigid, capable of supporting the weight. 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. 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