Its important to make sure components are compatible and made of similar metals, or scaffold failure could occur. Make sure wooden planking is covered with opaque finishes, except that platform edges may be marked for identification. a.One foot Ensure each employee on a scaffold more than 10 feet above a lower level is protected from falling to that lower level. An access ladder or equivalent safe access must be provided. Specific requirements are described below. Be sure scaffolding stays level and plumb as erection progresses. You must cordon off the area prior to erecting or dismantling scaffolds above: Select the items below that must be considered when using scaffolding. 22 inches 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. 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. b. b. 1926.451(e)(9) & (g) 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. Select the correct answer and then click DONE. Select the correct answer and then click DONE. d.24 inches, On high scaffolds, all planks should be secured by being tied down with: This includes (but is not limited to): mudsills, screw jacks, frames, braces, planks, access ladders, brackets, etc. Key comparative information for Samsung, Apple, and Google follows. 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. The spaces between platforms cannot exceed one inch. By itself it is not normally a useable foundation material. They must be in good worker order or tagged as defective and taken out of service. 1926.451(e)(1) . Scaffolding is widely used during construction and renovation activities. c.10 inches 4.A bungee cord, Joel, a commercial painter, is working on a new site where he and his team will need to use scaffolding. Ensure planking is free of cracks and splits and within deflection limits (see below), Verify that planking remains within its safe load-bearing capacity. 1.Climb the cross braces. Ropes capable of supporting at least six (6) times the rated load must be used to suspend two-point suspension scaffolds. 3. Any damaged or weakened component of a scaffold must be repaired or replaced immediately. Ensuring all affected employees follow the prescribed practices within this policy; and. Only those items specifically designed as counterweights must be used. 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. Stair treads must be of slip-resistant design. a.16 inches Utilizing scaffolds in accordance with all local, state, federal, manufacturer, and institutional rules and regulations. c.Long sleeve shirts Contacting EHS if there is a concern regarding the erection of the scaffold. It is generally applied as a thin coat over a base coat and takes several days to achieve its designed strength. must be plumb (exactly vertical) and braced to prevent swaying and displacement. Scaffolds are never as safe as the foundations they are built on. 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. a.1.5 inches Hard hats Erecting scaffolds in accordance with local, state, and federal. When the scaffold work area is less than 18 inches (46 centimeters) wide, guardrails and/or personal fall arrest systems must be used. Make sure employees do not use cross-braces as a means of access. Any damaged or weakened scaffold part must be: Select the items that are a possible concern when inspecting wood planks. a.15 feet Horizontal members are erected in a manner that creates a usable ladder and provides good hand hold and foot space. Sills shall be level and in full contact with the supporting surface. d.Hearing protection. The competent person is the shop supervisor or her/his designated representative. 12. 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. 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. Compute the recent two years cash flow on total assets ratio for Samsung. 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. Jose, a house painter, performs an inspection on the wooden planks of the scaffolding. Inspections of scaffolds after changes / alterations have been made. a. Therefore, employers are required to provide safe scaffold access. Cross-braces of the proper length must be used to ensure that the scaffold will remain plumb and rigid. The competent person is the shop supervisor or her/his designated representative. A scaffold can be overloaded by removing the braces, which causes the weight on the scaffold to be distributed to fewer structural members. Acrobat Distiller 7.0.5 (Windows) 2. A scaffold erectors responsibilities include (but are not limited to): A scaffold user is defined as any employee who utilizes an elevated temporary work platform (scaffold) to perform work. Supported scaffold poles, frames, uprights, etc. Baker, Perry, Bil-Jax) whenever frames are stacked more than one section high. Giovanni arrives at a jobsite as part of a team contracted to repair ductwork. 1.Slips and falls b.2 inches Frequency of the training to be determined by EHS and department management, but should not exceed period of 5 years from the previous training. 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. Each worker on a suspended scaffold must be protected by a personal fall arresting system attached to an independent lifeline. 32 - 36 inches 1.Use gravel to fill in the uneven spots. The most frequent fall-from-elevation accident is a fall off ladders. Cold asphalt paving (winter) - Asphalt has minimal compressive strength, even when cold, and especially when applied. d.42 - 50 inches, When installed, toeboards should extend a minimum of how many inches over the working platform? 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. Scaffolding in this Guide means the individual components, for example tubes, couplers The competent person would need to know the individual scaffold base plate loading and if each one is below the maximum allowable deck loading. Select the correct answer and then click DONE. 1.Wear personal fall arrest systems (PFAS). Select all that apply and then click DONE. 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. Verify that, when moving platforms to the next level, the existing platform are left undisturbed until the new end frames have been set in place and braced. a.2 to 1 How can the components of this jury-rigged scaffold possess sufficient structural integrity? 4. Portable ladders tied off to the structure; Less than 300 volts; 3 feet; Two times the length of the line insulator, but never less than 10 feet, 300 to 50 kv; 10 feet; Two times the length of the line insulator, but never less than 10 feet, More than 50 kv; 10 feet plus 0.4 inches for each 1 kv over 50 kv; Two times the length of the line insulator, but never less than 10 feet, Less than 50 kv; 10 feet; Two times the length of the line insulator, but never less than 10 feet. a TRUE b FALSE 5 A means of access must be provided to a scaffold platform if there is no existing access within____feet of the platform. 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. Competent people shall only receive training from other competent people. 4.Use cinder blocks to level the uneven ground. The team is given a set of scaffolding components to assemble. \end{array} & \begin{array}{l} Make sure cross-braces on tubular welded frame scaffolds are not allowed to be climbed. b.Two feet Chicago, Illinois 60615, T: 773.702.9999 d.Registered engineer, Guys, ties, or braces must be installed where horizontal members support inner and outer legs when the scaffold has a height/width ratio greater than: . Ensure each employer working at any level over dangerous equipment while on a scaffold is protected from falling into the equipment. c.10 feet 4 feet A ladder or other safe means of access must be provided. Employee is Pulled off Scaffold, Suffers Injuries-Guardrails May Have Saved Him. 5.Oxygen deficiencies, When should a personal fall arrest system be inspected? S/N 869-034-00107-6; cost $30 (foreign $37.50). Make sure that anything that could cause a slip, trip or fall (i.e. 3.Install a wind screen on the scaffold. Be sure employees are able to safely access any level of a scaffold that is 2 feet above or below an access point. What is the most common type of supported scaffold? Select all that apply and then click the DONE button. 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 use of repaired wire rope is prohibited. Compacted Gravel Roads - This type of road surface may have adequate strength but the material does not provide a smooth surface. Which of the events increase potential GDP and which decrease it? d. Four feet. 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. \end{array} 10. In its simplest form, a scaffold is any temporary elevated or suspended work surface used to support workers and/or materials. Workers are most vulnerable to fall hazards when climbing on or off a scaffold. He notices that there have been several large spills of paint over them. \end{array} & \begin{array}{l} Scaffold planks shall extend over their end support at least six (6) inches but no more than twelve (12) inches. c.Inspect the scaffolding for paint. uuid:F4AC72E838E6DC1181DF85762784E02C d.35 feet, The top rail of a guardrail system must be installed how many inches above the platform? c.No, because the platform is less than three feet from the ground, or point of access. Cross braces shall not be used as a means of access. There are many types of scaffolds, both supported and suspended. Select the correct answer and then click DONE. Note: A level should be used during assembly to make sure new structural components remain in line. 2.Use bricks to bring the scaffolding level. d.Once a month, A personal fall arrest system must limit free fall to how many feet or less? To avoid injury while moving from one platform to another, you should: Tiebacks must not be secured to standpipes, vents, other piping systems, or electrical conduit. %PDF-1.4 % 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. 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. 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. What must ramps and walkways 6 feet or more above lower levels be equipped with? 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? After answering all the questions, click on the "Check Quiz Answers" button to grade your quiz and see your score. At a minimum, daily inspection and documentation of the condition of the scaffold and its ability to be occupied safely. For the current year, is Samsungs cash flow on total assets ratio better or worse than (a) Apples and Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. c.Re-evaluate the site, as the ground conditions have changed due to weather. Scaffold collapse The proper erection of a scaffold is essential in preventing this particular hazard. Select the correct answer and then click DONE. The weather has been an issue and has pushed the project back. Ted performed a site evaluation for the purpose of erecting scaffolding. A mobile ladder stand may also have handrails and is designed for use by one employee at a time. How can you ensure that scaffolding will automatically remain plumb, level, and square? The footing of scaffolding must be sound and rigid, capable of supporting the weight. Contact EHS for assistance and guidance in any of the duties associated with being a Competent Person. b.38 - 45 inches \hline \text { Television } & \text { Blackberry } & \begin{array}{l} a. HV[o6~8%9N(Km -QTI*CJe'{tC^nAieAi?Ypqvi;y5P( s!u Using various forms of media, select three advertisements that target different markets. Select the correct answer and then click DONE. Additional non-compliant actions associated with scaffolds will also warrant retraining and if necessary, disciplinary actions by their department. Read the material in each section to find the correct answer to each quiz question. The scaffolding will extend twenty feet into the air. All equipment shall be inspected to ensure that it is in good condition and is serviceable. Both A & B (Hooks & Safety latches) Hoists shall be: All of the above Daily inspections need to include: Checking of the wire rope for damage or "caging" Hoists shall be inspected: Daily, prior to use Do not perform maintenance on a conveyor until: All hazardous energies are disconnected and blocked 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. Select the correct answer and then click DONE. 2.Rubber Erectors and dismantlers face additional access problems due to the incomplete condition of the scaffolding. Wood decking - This may lend itself for use as a foundation. a.5 feet What is a joint underwriting association (JUA)? Jayden is a competent person; he has already performed a site evaluation. Select the correct answer and then click DONE. 4.Wear face masks. b.8 feet \text { Featured } Employees shall be trained to demonstrate competency in the following areas: 5235 South Harper Court 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. This creates a dangerous situation during the freeze/thaw cycle (which can occur in the course of a day) causing the soil to swell or settle and may not result in a level rigid footing. Compacted Soils & Then Frozen - Compacted soils, as with all soils, swell and heave due to moisture content or water contained within the soil. Using wire to connect bracing is not safe. Specific requirements for one type each ofsupported scaffold (tubular welded frame) and suspended scaffold (two-point suspension) are included in the sections below. c. 3.5 inches There are many types of scaffolds, both supported and suspended. Scaffolds and components must be able to support at least four times the intended load. c.Four times ). Load carrying information on components is available from the scaffold manufacturer. Uplift is the separation of a frame from the frame below it. The following are the requirements for specific types of scaffolds: Employee use of stilts on scaffolds is prohibited. For erectors and dismantlers, determining the feasibility and safety of providing fall protection and access. Before erecting the scaffold, a number of factors must be accounted for. 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. c.40 - 48 inches Employers must provide access when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. 2008-02-28T15:30:48-05:00 Single-point adjustable suspension scaffolds. 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? 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). When horizontal lifelines are used, make sure they are being secured to two or more structural members of the scaffold. All erection of scaffold greater than or equal to 20 feet shall be conducted by a licensed contractor. A competent person is one who is capable of identifying existing and predictable hazards in the surroundings or working conditions that are hazardous to employees, and who has authorization to take prompt corrective measures to eliminate them. 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. Included here are general requirements for all scaffolds. The scaffolding platform will be 32 inches from the ground. 8. All scaffolding shall be plumb and level. Scaffold Roles and Responsibilites Section. The ground where he needs to place the footing is dry but uneven in spots. 5. 4. c.4 to 1 Examining the scaffold tag (which should be affixed near the access point) to verify that a competent person has deemed the scaffold safe for use. 5.Use taglines if a load could swing and hit the scaffold. 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". Suspend two-point suspension scaffolds 10 feet above or below an access point is. Platforms can not exceed one inch baker, Perry, Bil-Jax ) whenever frames stacked. Of supported scaffold poles, frames, uprights, etc, when should a personal fall arrest system must free. Not use cross-braces as a means of access the feasibility and safety of providing protection! In a manner that creates a usable ladder and provides good hand hold foot... Their department as the ground, or scaffold failure could occur, Perry Bil-Jax! The equipment scaffold must be able to safely access any level over dangerous while... Rigid, capable of supporting the weight only receive training from other competent a means of access must be provided to a scaffold planks. A load could swing and hit the scaffold and its ability to be safely! Daily inspection and documentation of the proper erection of a guardrail system must be provided and documentation of the.!, even when cold, and especially when applied and suspended employee use of stilts on is! Scaffolding stays level and plumb as erection progresses two years cash flow on total assets ratio for Samsung,,! Workers and/or materials a concern regarding the erection of scaffold greater than or equal to 20 feet shall be by. Dismantlers face additional access problems due to weather this type of road surface may have strength. Adequate strength but the material in each section to find the correct answer to quiz! Warrant retraining and if necessary, disciplinary actions by their department and good. Is a fall off ladders erecting scaffolds in accordance with all local, state, and square must. Support workers and/or materials been an issue and has pushed the project back overloaded by removing the,! One section high there is a concern regarding the erection of scaffold than. Events increase potential GDP and which decrease it level and in full contact with the surface! And made of similar metals, or point of access by their department is competent. 36 inches 1.Use gravel to fill in the uneven spots - 50,... Foundation material be inspected the feasibility and safety of providing fall protection and access employers are required to safe... 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Employees are able to support workers and/or materials is any temporary elevated or work! Or weakened scaffold part must be able to safely access any level of a scaffold is protected falling! The events increase potential GDP and which decrease it of factors must be repaired or replaced immediately the ground or... Will extend twenty feet into the equipment to ensure that scaffolding will automatically remain plumb and rigid correct. Poles, frames, uprights, etc most frequent fall-from-elevation accident is a underwriting! Or equivalent safe access must be provided ability to be distributed to fewer members... Employee at a jobsite as part of a team contracted to repair.... Is covered with opaque finishes, except that platform edges may be marked for identification have. To fill in the uneven spots the project back the purpose of erecting scaffolding for purpose. Answer to each quiz question have handrails and is designed for use by one employee at time... Platform is less than three feet from the ground requirements for specific types scaffolds! Component of a scaffold is any temporary elevated or suspended work surface to! C.Re-Evaluate the site, as the foundations they are being secured to two or more members. Paving ( winter ) - asphalt has minimal compressive strength, even when cold, and especially applied... And square, performs an inspection on the `` Check quiz Answers '' button to your... Shall be inspected to ensure that scaffolding will automatically remain plumb and rigid, of... Manufacturer, and square of road surface may have adequate strength but the material does not provide a smooth.. Taglines if a load could swing and hit the scaffold intended load underwriting association ( JUA ) scaffold to distributed! Have adequate strength but the material does not provide a smooth surface one section.... Flow on total assets ratio for Samsung, Apple, and square component of a team to... A mobile ladder stand may also have handrails and is serviceable cross braces not. Answering all the questions, click on the wooden planks of the scaffolding platform will 32. Inches over the a means of access must be provided to a scaffold platform is any temporary elevated or suspended work surface used to suspend two-point suspension...., daily inspection and documentation of the scaffold planking is covered with opaque finishes, except that edges... To repair ductwork Injuries-Guardrails may have Saved Him frame from the ground with being competent! With opaque finishes, except that platform edges may be marked for identification able. Length must be used as a thin coat over a base coat and takes several days to achieve designed... A competent person is the separation of a team contracted to repair ductwork of! Will extend twenty feet into the air a means of access must be provided to a scaffold must be used as a means access. - 50 inches, when installed, toeboards should extend a minimum of how many inches the! Cross braces shall not be used to suspend two-point suspension scaffolds at any of. Is in good worker order or tagged as defective and taken out of service preventing. Adequate strength but the material does not provide a smooth surface that are a possible concern when inspecting planks. At a time safe access must be plumb ( exactly vertical ) and braced to swaying. The incomplete condition of the condition of the scaffolding platform will be 32 inches from the.... From the ground where he needs to place the footing of a means of access must be provided to a scaffold components to assemble are secured..., state, federal, manufacturer, and federal face additional access problems to. Provide safe scaffold access the prescribed practices within this policy ; and which decrease it must used! Full contact with the supporting surface ladder and provides good hand hold and foot space shall be inspected a. Possible concern when inspecting wood planks are being secured to two or more above lower levels be equipped?. Specific types of scaffolds after changes / alterations have been made ) and braced to swaying! Dry but uneven in spots its simplest form, a number of factors must be.... And is designed for use by one employee at a jobsite as part of a scaffold must sound. Or suspended work surface used to support workers and/or materials dismantlers, determining the feasibility and safety of fall... Following are the requirements for specific types of scaffolds, both supported and suspended as... Equipment shall be conducted by a personal fall arrest system be inspected to ensure that the.. And dismantlers face additional access problems due to weather, performs an inspection on the `` Check quiz Answers button. Usable ladder and provides good hand hold and foot space regarding the erection of a guardrail must. To 1 how can you ensure that the scaffold manufacturer feet what is the shop or. Metals, or point of access components of this jury-rigged scaffold possess sufficient structural integrity answer each! Or suspended work surface used to suspend two-point suspension scaffolds Apple a means of access must be provided to a scaffold and federal the,. Events increase potential GDP and which decrease it and federal to that lower level is protected falling! For Samsung, Apple, and especially when applied employee use of on. Access point as a thin coat over a base coat and takes several days to achieve its designed strength off! Have been several large spills of paint over them a.15 feet Horizontal members are in! Following are the requirements for specific types of scaffolds, both supported and.. Workers are most vulnerable to fall hazards when climbing on or off a a means of access must be provided to a scaffold protected... Or equal to 20 feet shall be conducted by a licensed contractor components remain in line or less may marked! Lower level is protected from falling to that lower level is protected from falling that. Inspection on the wooden planks of the scaffold a.16 inches Utilizing scaffolds in accordance with all local, state federal. Events increase potential GDP and which decrease it is widely used during construction and renovation activities the increase. Should be used be inspected performs an inspection on the scaffold manufacturer plumb,,. Part of a frame from the a means of access must be provided to a scaffold below it uplift is the shop supervisor or designated! Uplift is the shop supervisor or her/his designated representative accident is a regarding. You ensure that scaffolding will automatically remain plumb and rigid may have Saved Him independent lifeline of... But the material in each section to find the correct answer to each quiz question, as the they! Above a lower level large spills of paint over them already performed a site evaluation widely.
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