Its important to make sure components are compatible and made of similar metals, or scaffold failure could occur. The platform gaps are too wide. 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. Designing components in accordance with design specifications. \text { Web, and get directions } He performed a site evaluation and is ready to erect the scaffolding. Scaffold planks shall extend over their end support at least six (6) inches but no more than twelve (12) inches. Scaffolds must be plumb, level, and squared. HV[o6~8%9N(Km -QTI*CJe'{tC^nAieAi?Ypqvi;y5P( s!u application/pdf In order to assure scaffold stability, make sure: Note: One way to ensure a stable foundation when a sill is used is to secure it to the baseplate. It is generally applied as a thin coat over a base coat and takes several days to achieve its designed strength. 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.35 feet, The top rail of a guardrail system must be installed how many inches above the platform? 3.Check that no structural alterations were made. All scaffolds more than six feet above the lower level shall protect employees with guardrails on each open side of the scaffold. Select the correct answer and then click DONE. The following are the requirements for specific types of scaffolds: Employee use of stilts on scaffolds is prohibited. Compute the recent two years cash flow on total assets ratio for Samsung. He fell, sustaining a concussion for which he was hospitalized. What are integral (built-in) access frames specifically designed for? \text { Advertised } Click on the button to see requirements for ladders on stair tower systems. Scaffold planks shall extend over their end support at least six (6) inches but no more than twelve (12) inches. Materials being hoisted onto a scaffold must At what height must employees use fall protection while working on a scaffold? Specific requirements are described below. c.Three feet Scaffold is not level because it was erected without base plates on an uneven surface. Scaffolds and components must be able to support at least four times the intended load. 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. Scaffolding must not be placed on unstable objects, such as bricks or blocks. Select the correct answer and then click DONE. Scaffold planks should extend over their end supports not less than 6 inches nor more than 18 inches. 262 Alexander Street 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. Cross bracing is acceptable in place of a mid-rail when the crossing point is between 20 30 inches above the work platform or as a top rail when the crossing point is between 38 48 inches above the work platform. You must cordon off the area prior to erecting or dismantling scaffolds above: 1.People Select the correct answer and then click DONE. All erection of scaffold greater than or equal to 20 feet shall be conducted by a licensed contractor. 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. Reviewing this policy to ensure compliance with current regulations; Reporting any questionable conditions that are discovered to the responsible department; Ensuring all affected employees are trained in accordance with this policy. Notifying the competent person of any safety concerns associated with the erection, conditions, use, and / or maintenance of the scaffold. . 3.Falling objects The most frequent fall-from-elevation accident is a fall off ladders. The competent person is responsible for determining the safety and feasibility of installing and using safe means of access, based on site conditions and the type of scaffold involved. ). b. Remove ties and braces. c. 3.5 inches Select the correct answer and then click DONE. Ensuring all affected employees follow the prescribed practices within this policy; and. 2008-02-28T15:30:48-05:00 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. Chicago, Illinois 60615, T: 773.702.9999 c.1 1/2 inches are specifically designed and constructed for use as ladder rungs, are not used as work platforms when rungs are less than 11 inches in length, unless each affected employee uses appropriate fall protection, have rungs which are uniformly spaced and a length of at least 8 inches, with a maximum space between rungs of 16 inches, have rest platforms provided at a maximum of 35 foot vertical intervals, a stair rail consisting of a toprail and a midrail on each side of the stairway, a toprail of each stair rail system capable of serving as a handrail, unless a separate handrail is provided, sufficient handhold on handrails, and toprails serving as handrails, for employees grasping them to avoid falling, stair rails and handrails surfaced to prevent punctures or lacerations to employees, and to prevent snagging of clothing, stair rails and handrails constructed so that they do not constitute a projection hazard, a space of at least 3 inches between handrails, or stair rails used as handrails, and other objects, a distance of no less than 28 inches and no more than 37 inches from the upper surface of the stair rail to the forward edge of the tread, in line with the face of the riser, a landing platform at least 18 inches wide by 18 inches long at each level, a scaffold stairway width of at least 18 inches between stair rails, slip-resistant surfaces on treads and landings, stairways installed between 40 degrees and 60 degrees from the horizontal, guardrails meeting OSHA requirements on the open sides and ends of each landing, uniform riser height, within -inch, for each flight of stairs, greater variations in riser height are allowed for the top and bottom steps of the entire system (not for each flight of stairs), uniform tread depth, within -inch, for each flight of stairs, Ensure ramps and walkways 6 feet or more above lower levels have guardrails that comply with. 4. Cold asphalt paving (winter) - Asphalt has minimal compressive strength, even when cold, and especially when applied. Included here are general requirements for all scaffolds. 2. Is it safe for Giovanni and his team to use the scaffolding? 1. c.Select an anchor point for Personal Fall Arrest Systems (PFAS). Visit the Aerial Work Platforms web page to learn more about the specific requirements for aerial work platform use at Princeton. 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. 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 Select the correct answer and then click DONE. 12. Ensuring all inspection and maintenance practices for scaffolds are conducted by a competent person in accordance with this policy and procedure. All scaffolding shall be plumb and level. 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. Baker, Perry, Bil-Jax) whenever frames are stacked more than one section high. . While sitting or kneeling on a fixed deck plank attached to a fabricated frame scaffold, a worker was pulling a 16-foot long 2x4 off the bucket of an excavator. 22 inches \text { Product Information } \\ Is the change in Samsungs cash flow on total assets ratio favorable or unfavorable? forklifts are not used to support scaffold platforms, unless: the entire platform is attached to the fork; and. Stationary scaffolds over 125 feet in height and rolling scaffolds over 60 feet in height shall be designed by a professional engineer. 2. 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. The scaffold must be capable of supporting its own weight and at least how many times the maximum intended load applied to it? Select the correct answer and then click DONE. The footing of scaffolding must be sound and rigid, capable of supporting the weight. Note: Except where indicated, these . 3.String 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? 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.). A scaffold can be overloaded by removing the braces, which causes the weight on the scaffold to be distributed to fewer structural members. The scaffolding will extend twenty feet into the air. d.12. Before erecting the scaffold, a number of factors must be accounted for. Ensure each employee on a scaffold more than 10 feet above a lower level is protected from falling to that lower level. Tiebacks must be secured to a structurally sound anchorage on the building or structure. A light weight supported scaffold could be used on wood decking when the competent person has determined the structure would support the scaffold and its entire load. This threshold differs from 29 . d.Add additional poles to support the scaffolding. They are frequently used in one or two tiers by residential contractors, painters, etc., but their modular frames can also be stacked several stories high for use on large-scale construction jobs. Ropes capable of supporting at least six (6) times the rated load must be used to suspend two-point suspension scaffolds. 4.Use tow lines to raise or lower tools and equipment. A means of access must be provided when the scaffold platform is more than how many feet above or below a point of access? 2.Electrical A ladder or other safe means of access must be provided. Contact EHS for assistance and guidance in any of the duties associated with being a Competent Person. to prevent falls. b.1 inch It is impossible for a stable structure to be built upon a foundation that does not start out square and level. Single-point adjustable suspension scaffolds. a.5 All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. 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. Based on your research, what conclusions can you draw about the type of media used to advertise various products? 2. b.One continuous mudsill under both legs 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. Insulated Lines; Voltage Minimum; Distance Alternatives, Uninsulated Lines; Voltage Minimum; Distance Alternatives. Proper pinning is necessary to make sure the scaffold is steady and does not collapse. tools, scrap material, chemicals, snow, ice, etc.) Environmental Health and Safety is responsible for: Departments affected by this policy are responsible for: Employees affected by this policy are responsible for complying with the practices within the Scaffold Safety policy. 1.Climb the cross braces. footings are capable of supporting the loaded scaffold without settling or displacement. Erecting scaffolds in accordance with local, state, and federal. To avoid injury while moving from one platform to another, you should: When horizontal lifelines are used, make sure they are being secured to two or more structural members of the scaffold. Check that scaffolds and scaffold components are capable of supporting, without failure, their own weight and at least 4 times their maximum intended load. d.2 inches, If the platform is 10 feet or less, it cannot exceed how many inches over the centerline support? Select the correct answer and then click DONE. He notices that there have been several large spills of paint over them. Load carrying information on components is available from the scaffold manufacturer. 2. There are many types of scaffolds, both supported and suspended. Two tiebacks installed at opposing angles are required when a perpendicular tieback cannot be installed. Training of other competent persons, scaffold erectors, and users. 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. 2.A plank clip Utilizing a scaffold on the Princeton University Campus for any reason requires specific involvement with several types of trained individuals. Hard hats 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. Rolling scaffold must not be used on sloped 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. b.12, 16 a.Two times Hot asphalt paving (summer) - This type of asphalt (top coat) is soft when placed and then compacted with rollers. 2.Use bricks to bring the scaffolding level. 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). Designing platforms on two-point adjustable suspension types that are less than 36 inches wide to prevent instability; Making swaged attachments and spliced eyes on wire suspension ropes; and. unstable objects are not used to support scaffolds or platform units. Inspections of scaffolds after changes / alterations have been made. a.Steel-toed boots This scaffold has no guardrails and is not fully planked. What are supported scaffold foundations set on to ensure stability? Check to ensure fall protection consists of either personal fall-arrest systems (PFAS) or guardrail systems meeting OSHA requirements. How much weight should a supported scaffold and components be capable of supporting without failure? 1.Wear personal fall arrest systems (PFAS). Maintaining fall protection requirements while erecting / dismantling scaffolds. OSHA has standards that apply specifically to the steps that must be taken to assure a stable scaffold base. At a minimum, daily inspection and documentation of the condition of the scaffold and its ability to be occupied safely. Check that steps and rungs of ladders and stairway-type ladders line up vertically with each other between rest platforms. b.2 inches The end points at each upright shall be no more than 48 inches. No University employee shall erect scaffold greater than or equal to 20 feet. The scaffolding platform will be 32 inches from the ground. 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. the forklift is not moved horizontally while the platform is occupied. c.24 inches Personal fall arrest systems can be used on scaffolding when there are no guardrail systems. Replace any missing ties or braces. Crossbraces must not be used as a means of access. 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. Access shall be provided when scaffold platforms are more than 24 inches above or below the point of access. d.Choose access points. Improper Access Leads to Serious Injuries. 32 - 36 inches Read the material in each section to find the correct answer to each quiz question. Select all that apply and then click DONE. 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. Stair treads must be of slip-resistant design. Manila or synthetic rope used for midrails must be inspected to ensure that the rope meets the strength requirement. 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. Maximum intended load applied to it structurally sound anchorage on the scaffold of. A foundation that does not start out square and level on total assets ratio or! Scaffold, a number of factors must be plumb, level, and squared load applied to?. Not fully planked be overloaded by removing the braces, which causes the weight and rolling scaffolds over 60 in! To each quiz question then click DONE protected from falling to that lower level is protected falling... Applied to it systems ( PFAS ) or guardrail systems rated load must be accounted for the prescribed practices this. Erection, conditions, use, and get directions } he performed a evaluation. 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