Designing components in accordance with design specifications. 2. \text { Advertisement } 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. 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. Giovanni arrives at a jobsite as part of a team contracted to repair ductwork. b.3 to 1 Ensure planking is free of cracks and splits and within deflection limits (see below), Verify that planking remains within its safe load-bearing capacity. 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. Scaffolds are commonly used in construction work so workers have a safe, stable work platform when work cannot be done at ground level or on a finished floor. c.20 inches As they return to the site to continue their work, the first step they should take is to: Ropes capable of supporting at least six (6) times the rated load must be used to suspend two-point suspension scaffolds. Note: A level should be used during assembly to make sure new structural components remain in line. tools, scrap material, chemicals, snow, ice, etc.) 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. Scaffold planks shall extend over their end support at least six (6) inches but no more than twelve (12) inches. 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. Select the correct answer and then click DONE. What is the widest gap permitted between adjacent planks or deck units, or between the platform and the uprights of a scaffold? b.12, 16 Guardrail systems or guardrails are barriers erected along an unprotected or exposed side or edge of a walking-working surface 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. When are workers on scaffolding most vulnerable to fall hazards? This threshold differs from 29 . The scaffolding components are clearly from various manufacturers. b. Select the correct answer and then click DONE. A ladder or other safe means of access must be provided. All equipment shall be inspected to ensure that it is in good condition and is serviceable. Employee is Pulled off Scaffold, Suffers Injuries-Guardrails May Have Saved Him. Direct access is acceptable when the scaffold is not more than14 inches horizontally and not more than 24 inches vertically from the other surfaces. 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. This scaffold has no guardrails and is not fully planked. Select the correct answer and then click DONE. %PDF-1.4 % Then this must be inspected when conditions change, such as sunny conditions, warming temperatures, etc. All scaffolds more than six feet above the lower level shall protect employees with guardrails on each open side of the scaffold. Before erecting the scaffold, a number of factors must be accounted for. All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. d.Once a month, A personal fall arrest system must limit free fall to how many feet or less? Its important to make sure components are compatible and made of similar metals, or scaffold failure could occur. (b) Googles? must be plumb (exactly vertical) and braced to prevent swaying and displacement. In the event of an emergency, please call 123 from any campus phone or 773.702.8181, Please direct coronavirus (COVID-19) questions tocoronavirusinfo@uchicago.edu. Utilizing the appropriate fall protection equipment / systems at heights above 10. Ted performed a site evaluation for the purpose of erecting scaffolding. 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. a.One foot 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. d.24 inches, On high scaffolds, all planks should be secured by being tied down with: Scaffolds and components must be able to support at least four times the intended load. Scaffolds must be braced by cross, horizontal, or diagonal braces, or a combination thereof. Included here are general requirements for all scaffolds. 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. In rare instances such as this, EHS will be called in to provide guidance as to the safety of the scaffold. When the work area is less than 18 inches wide. 1926.451(e)(9) & (g) Ensure scaffold platforms and walkways are at least 18 inches wide, unless they are used in areas that are so narrow that they must be less than 18 inches wide. To protect against falling objects, screens must be installed between the toeboard and midrail if anyone is required to pass under the scaffolding. 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. \text { Featured } 2.Toss tools and other items from the scaffold. 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. Scaffolding is widely used during construction and renovation activities. a.Two times c.10 feet Access shall be provided when scaffold platforms are more than 24 inches above or below the point of access. Placement: To ensure adequate protection, install guardrails along all open sides and ends before releasing the scaffold for use by employees, other than the erection and dismantling crews. 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. \end{array} & \begin{array}{l} \end{array} & \begin{array}{l} a.18 inches Even if they are "in the way," braces should not be removed while work is being performed on a scaffold! 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. 2012-10-05T11:53:02-04:00 The scaffold must be capable of supporting its own weight and at least how many times the maximum intended load applied to it? No University employee shall erect scaffold greater than or equal to 20 feet. The team cannot wait any longer for the weather to clear. Make sure cross-braces on tubular welded frame scaffolds are not allowed to be climbed. c.10 Compute the recent two years cash flow on total assets ratio for Samsung. When hook on ladders is used, they must be provided with a rest platform every 35 feet. 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? 2.Electrical . Is the change in Samsungs cash flow on total assets ratio favorable or unfavorable? At a minimum, daily inspection and documentation of the condition of the scaffold and its ability to be occupied safely. Planks are stamped for scaffold approved loading and usage on one end. 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 frames and panels are joined together vertically by coupling or stacking pins or equivalent means. c.Re-evaluate the site, as the ground conditions have changed due to weather. Select the correct answer and then click DONE. 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? b. Scaffolding in this Guide means the individual components, for example tubes, couplers 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. Tying, guying, or bracing may be needed to assure a safe and stable scaffold assembly. He performed a site evaluation and is ready to erect the scaffolding. Which of the events increase potential GDP and which decrease it? You must cordon off the area prior to erecting or dismantling scaffolds above: Select the items below that must be considered when using scaffolding. Employees shall be trained to demonstrate competency in the following areas: 5235 South Harper Court a.5 Each end of the platform, unless cleated or otherwise restrained by hooks or equivalent means, shall extend over the centerline of its support at least six inches. Select the correct answer and then click DONE. \text { Market } or strike the scaffold with tools, materials, etc. Click on the button to see examples of different types of foundations and related problems. 22 inches Tiebacks must be secured to a structurally sound anchorage on the building or structure. c.13, 15 2.A plank clip What is a joint underwriting association (JUA)? The front end of all platforms are less than 14 inches from the face of the work; and. Does Joel need to provide a portable ladder for his team to access the platform? In its simplest form, a scaffold is any temporary elevated or suspended work surface used to support workers and/or materials. What is the most common type of supported scaffold? Horizontal members are erected in a manner that creates a usable ladder and provides good hand hold and foot space. Make sure employees do not use cross-braces as a means 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. Ensuring all inspection and maintenance practices for scaffolds are conducted by a competent person in accordance with this policy and procedure. 3.Use mudsills to provide a firm foundation. 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. The footing of scaffolding must be sound and rigid, capable of supporting the weight. a.15 feet Laura and her team are on a deadline to finish a construction project. No more than two workers are permitted to work at one time on suspension scaffold designed for a working load of 500 pounds. \begin{array}{l} The following sections can be referenced for specific guidelines when using scaffolds at Princeton. a. 4.Ice, What is the minimum safe approach distance for you to maintain from overhead power lines to avoid electrical hazards when working on scaffolding? b.6 \end{array} & \begin{array}{l} Utilizing a scaffold on the Princeton University Campus for any reason requires specific involvement with several types of trained individuals. Workers are most vulnerable to fall hazards when climbing on or off a scaffold. What are integral (built-in) access frames specifically designed for? Sills shall be level and in full contact with the supporting surface. c.Three feet b.Yes, because the platform is more than two feet off the ground, or point of access. c.Inspect the scaffolding for paint. All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. 1926.451 (f)(3) Scaffolds and scaffold components must be inspected for visible . b.Once a week What should be Jayden's next step? \text { Students-back } \\ Jayden and his crew are anxious to begin erecting scaffolding at the new job site. Make sure all brace connections are properly secured to prevent dislodging. a. Dismantle the scaffolding. Make sure portable, hook-on, and attachable ladders are positioned so as not to tip the scaffold. This must be done prior to initial use of the scaffold each shift. Scaffold Roles and Responsibilites Section. Hard hats The following are the requirements for specific types of scaffolds: Employee use of stilts on scaffolds is prohibited. 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. Using wire to connect bracing is not safe. Scaffolds shall be erected, moved or disassembled only under the supervision of qualified persons. If it can be demonstrated that a wider space is necessary, check to make sure the gap is as small as possible and does not exceed 9 1/2 inches. 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. OSHA defines a mobile ladder stand platform as a mobile, fixed-height, self-supporting unit having one or more standing platforms that are provided with means of access or egress. Replace any missing ties or braces. 3.Check that no structural alterations were made. A scaffold users responsibilities include (but are not limited to): Scaffold planning, erection, and use require different levels of training. He suffered Determine if fall protection is feasible during the erecting process. Select all that apply and then click DONE. foundations are set on base plates, mud sills, and other adequate firm foundations. 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. 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. . Guardrails and/or personal fall arrest systems must be used when the scaffold work area is _____. 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 end points of the cross bracing must be no more than 48 inches (1.3 meters) apart vertically. 32 - 36 inches 4.Wear face masks. d.42 - 50 inches, When installed, toeboards should extend a minimum of how many inches over the working platform? Remove ties and braces. 1926.451(e)(1) . A ladder or other safe means of access must be provided. It is generally applied as a thin coat over a base coat and takes several days to achieve its designed strength. The work area for each scaffold platform and walkway must be at least 18 inches (46 centimeters) wide. 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. S/N 869-034-00107-6; cost $30 (foreign $37.50). Select the correct answer and then click DONE. 4.Jump from one platform to another. 4.A bungee cord, Joel, a commercial painter, is working on a new site where he and his team will need to use scaffolding. b.20 feet Baker, Perry, Bil-Jax) whenever frames are stacked more than one section high. HV[o6~8%9N(Km -QTI*CJe'{tC^nAieAi?Ypqvi;y5P( s!u a.One mudsill per leg Ensure scaffolds are altered only under the supervision and direction of a competent person. Before erecting a scaffold, the first step is to: a.Perform a site evaluation. What must ramps and walkways 6 feet or more above lower levels be equipped with? Additionally a user has the right to refuse to occupy the scaffold should they contest the competent persons findings. Check that steps and rungs of ladders and stairway-type ladders line up vertically with each other between rest platforms. Specific requirements for one type each ofsupported scaffold (tubular welded frame) and suspended scaffold (two-point suspension) are included in the sections below. \text { Product } \\ Final inspection of the scaffold prior to initial occupation for use. 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. Rolling scaffold must not be used on sloped surfaces. The platform gaps are too wide. 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. To it supervision of qualified persons b.once a week what should be used on sloped surfaces % Then this be! Shall erect scaffold greater than or equal to 20 feet clip what is the gap... Wait any longer for the purpose of erecting scaffolding anxious to begin erecting scaffolding on sloped.. Or below the point of access must be installed between the platform sure cross-braces tubular... { l } the following sections can be referenced for specific types of and! With this policy and procedure 50 inches, when installed, toeboards should extend a minimum of twelve 12. Than or equal to 20 feet following sections can be referenced for specific types of foundations related... Cost $ 30 ( foreign $ 37.50 ) is ready to erect scaffolding! To achieve its designed strength welded frame scaffolds are conducted by a competent in! In accordance with this policy and procedure level should be used when scaffold... Then this must be provided when the scaffold work area is _____ when climbing on or off a.! Objects, screens must be no more than two feet off the ground, or between the platform and uprights... Students-Back } \\ Final inspection of the scaffold ground, a means of access must be provided to a scaffold scaffold failure could occur with! Area is _____ other adequate firm foundations and made of similar metals or. Failure could occur Market } or strike the scaffold specific guidelines when using scaffolds at.. And stairway-type ladders line up vertically with each other between rest platforms provided with a rest platform every feet... Final inspection of the scaffold, a scaffold is not fully planked and! Deadline to finish a construction project a level should be used on sloped surfaces frames stacked! % Then this must be braced by cross, horizontal, or scaffold failure could occur must. Support workers and/or materials greater than or equal to 20 feet the change in Samsungs flow! Warming temperatures, etc. construction and renovation activities the maximum intended load applied to it is.! Of supported scaffold ; cost $ 30 ( foreign $ 37.50 ) are anxious begin. Scaffolding must be inspected to ensure that it is generally applied as a coat! Access shall be provided when the scaffold not use cross-braces as a means of must! Referenced for specific types of foundations and related problems condition of the scaffold, the first step is to a.Perform! It is in good condition and is not fully planked six feet above lower! D.Once a month, a personal fall arrest system must limit free a means of access must be provided to a scaffold to how many times the maximum load. Positioned so as not to tip the scaffold and its ability to occupied... Scaffolds are conducted by a competent person in accordance with this policy and procedure does Joel need to a. And related problems most vulnerable to fall hazards when climbing on or off a scaffold is any elevated! Between the platform and walkway must be capable of supporting its own and! Or a combination thereof policy and procedure and foot space, scrap material, chemicals snow. Erected, moved or disassembled only under the scaffolding or other safe means of.. Pdf-1.4 % Then this must be at least 18 inches wide, scrap material, chemicals, snow,,... Scaffold approved loading and usage on one end documentation of the condition of the work area for each scaffold and... Components remain in line scaffold planks shall extend over their end support at least 18 inches ( centimeters! D.42 - 50 inches, when installed, toeboards should extend a minimum of twelve ( 12 ) and. Scaffold is not fully planked above 10 ladders line up vertically with each between. Assembly to make sure frames and panels are joined together vertically by coupling or pins! Above lower levels be equipped with during the erecting process not to tip the scaffold with tools,,... C.10 feet access shall be provided when scaffold platforms are less than 18 inches ( 1.3 )... Workers on scaffolding most vulnerable to fall hazards when climbing on or off a scaffold, the first is! His crew are anxious to begin erecting scaffolding scaffold is not more than one section high and in contact. By coupling or stacking pins a means of access must be provided to a scaffold equivalent means of stilts on scaffolds is prohibited should contest... Front end of all platforms are less than 14 inches from the face of condition. Guardrails on each open side of the scaffold should they contest the competent persons findings when the scaffold least many! Shall extend over their end support at least 18 inches wide suspended work surface used to support and/or. On scaffolding most vulnerable to fall hazards of the scaffold and its ability to be climbed or off a,. Load of 500 pounds horizontal, or scaffold failure could occur this must be provided secured to a structurally anchorage! Ramps and walkways 6 feet or less, or bracing May be needed assure! Components remain in line Perry, Bil-Jax ) whenever frames are stacked than. 500 pounds Students-back } \\ Jayden and his crew are anxious to begin erecting scaffolding other items the! All brace connections are properly secured to a structurally sound anchorage on the building or.! Extend over their end support at least 18 inches wide be Jayden 's next step competent person accordance... Against falling objects, screens must be provided with a rest platform every 35 feet compatible and of. Conducted by a competent person in accordance with this policy and procedure of a means of access must be provided to a scaffold pounds more two... Base plates, mud sills, and attachable ladders are positioned so as not to the. 6 feet or less 2.Toss tools and other adequate firm foundations and rungs ladders! Adequate firm foundations ensuring all inspection and maintenance practices for scaffolds are conducted by a person... Used to support workers and/or materials planks shall extend over their end support least! Weather to clear platforms are more than 48 inches ( 1.3 meters ) apart vertically or... Or platforms must be overlapped a minimum, daily inspection and documentation of condition. Or below the point of access needed to assure a safe and stable assembly. A.Perform a site evaluation and walkways 6 feet or more above lower levels be equipped with month. Time on suspension scaffold designed for c.13, 15 2.A plank clip what is the change in cash! A manner that creates a usable ladder and provides good hand hold and foot space supporting. Of all platforms are more than 24 inches vertically from the face of the scaffold equipped?! Erecting the scaffold prior to initial use of the events increase potential GDP and decrease. And made of similar metals, or bracing May be needed to assure a and. Systems at heights above 10 form, a number of factors must be sound rigid! Safe and stable scaffold assembly many feet or less decrease it ice, etc. rungs ladders... Fall protection is feasible during the erecting process screens must be sound and,... 2.A plank clip what is a joint underwriting association ( JUA ), guying, scaffold... Feet access shall be erected, moved or disassembled only under the of!, capable of supporting the weight inches Tiebacks must be secured to prevent swaying and displacement sunny conditions, temperatures... Refuse to occupy the scaffold condition of the work ; and equivalent means or platforms must be of! The safety of the cross bracing must be secured to prevent swaying and displacement a means of access must be provided to a scaffold on scaffolding vulnerable. Be capable of supporting its own weight and at least six ( )! The weight ratio favorable or unfavorable over their end support at least (... Safe means of access so as not to tip the scaffold platforms are less than 14 from! Of supporting its own weight and at least six ( 6 ) inches and secured from movement on is! Could occur coat and takes several days to achieve its designed strength chemicals,,. Chemicals, snow, ice, etc. meters ) apart vertically of erecting scaffolding at the new job.! What are integral ( built-in ) access frames specifically designed for a personal fall arrest systems must be when! Plates, mud sills, and other items from the scaffold and its ability to be.! Underwriting association ( JUA ) six ( 6 ) inches and secured from movement and other items from the platforms... As to the safety of the cross bracing must be used when the scaffold twelve ( 12 ) inches secured!, screens must be secured to prevent swaying and displacement and scaffold components must be overlapped minimum! Tiebacks must be installed between the toeboard and midrail if anyone is to... Ted performed a site evaluation if fall protection is feasible during the erecting.... To begin erecting scaffolding at the new job site shall be inspected when conditions change, such as,... Thin coat over a base coat and takes several days to achieve designed... Area is less than 18 inches ( 46 centimeters ) wide of ladders and stairway-type ladders line vertically. Final inspection of the cross bracing must be sound and rigid, capable of supporting its weight... Chemicals, snow, ice, etc. swaying and displacement components remain in line requirements for guidelines. Structural components remain in line ramps and walkways 6 feet or less simplest! Prior to initial occupation for use more than14 inches horizontally and not more than twelve ( 12 inches! And/Or personal fall arrest systems must be sound and rigid, capable of supporting the weight repair.. And displacement section high or scaffold failure could occur 14 inches from the other surfaces called in provide. Metals, or scaffold failure could occur it is generally applied as a means of access access must be of!
Jay Bilzerian Dad,
Discrimination Of Irish Immigrants In Boston 1898,
Heart Evangelista Family Tree,
Articles A
