a means of access must be provided to a scaffold

b.Incompetent person Check to make sure frames are stacked, and that cross braces are of such length as will automatically keep the scaffold plumb, level, and square. Select the correct answer and then click DONE. Training employees working on the scaffolds to recognize the associated hazards and understand procedures to control or minimize those hazards; and. a.One mudsill per leg Each worker on a suspended scaffold must be protected by a personal fall arresting system attached to an independent lifeline. \text { Target } \\ There are many types of scaffolds, both supported and suspended. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. Guardrail systems must be capable of withstanding, without failure, a force of at least 200 pounds applied in a downward or outward direction at any point within two inches of the top edge of the top rail. a.15 feet foundations are set on base plates, mud sills, and other adequate firm foundations. With a 60-foot high scaffold, positive type ties should be spaced every ________ feet vertically and every ________ feet horizontally. Competent persons to be trained by other competent persons; erectors to be trained by competent persons; users to be trained by competent persons or other qualified individuals. \end{array} 4. The platform gaps are too wide. 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 competent person must inspect the area to determine if this is a firm footing (see Answer to Question 3). Is the change in Samsungs cash flow on total assets ratio favorable or unfavorable? Scaffold platforms above one section high must be provided with safe access. Select the correct answer and then click DONE. The ground where he needs to place the footing is dry but uneven in spots. Any damaged or weakened scaffold part must be: Select the items that are a possible concern when inspecting wood planks. Select all that apply and then click the DONE button. 3.Check that no structural alterations were made. c.Inspect the scaffolding for paint. Sills shall be level and in full contact with the supporting surface. Standard guardrails (e.g., handrail and midrail) and toeboards must be provided for all open sides of the scaffolding that are ten (10) feet or more above the surrounding surfaces. unstable objects are not used to support scaffolds or platform units. 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. \text { Featured } %PDF-1.4 % Baker, Perry, Bil-Jax) whenever frames are stacked more than one section high. Requirements specific to the other types are described in the next module. b. c.13, 15 d.2 inches, If the platform is 10 feet or less, it cannot exceed how many inches over the centerline support? The team is given a set of scaffolding components to assemble. 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. Final inspection of the scaffold prior to initial occupation for use. Specific requirements for one type each ofsupported scaffold (tubular welded frame) and suspended scaffold (two-point suspension) are included in the sections below. 1.Snow No University employee shall design any scaffolding. Training of other scaffold users if needed. 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. Plasterers, decorators and large area scaffolds; Step, platform and trestle ladder scaffolds; and. The standard requires employers to protect each employee on a scaffold more than 10 feet (3.1 m) above a lower level from falling to that lower level. b.Use the scaffolding as is. All equipment shall be inspected to ensure that it is in good condition and is serviceable. Hard hats Base plates or screw jacks shall be in firm contact with both the sills and the legs of the scaffolding. \text { use to get e-mail, surf the } \\ Employers must provide access when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. \text { to school } Scaffolds shall be erected, moved or disassembled only under the supervision of qualified persons. the forklift is not moved horizontally while the platform is occupied. 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. Personal fall arrest systems can be used on scaffolding when there are no guardrail systems. In rare instances such as this, EHS will be called in to provide guidance as to the safety of the scaffold. \text { Market } Jayden is a competent person; he has already performed a site evaluation. Scaffold components manufactured by different manufacturers shall not be intermixed unless the components fit together without force and the scaffolds structural integrity is maintained. 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. . c.1 1/2 inches a.1.5 inches The height of the scaffold in relation to the minimum base width, wind loads, the use of brackets or cantilevered platforms and imposed scaffold load determines the need for stability bracing. c.10 inches 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. He performed a site evaluation and is ready to erect the scaffolding. 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. 3. All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. Make sure the planks are not allowed. endstream endobj 15 0 obj <> endobj 17 0 obj <> endobj 22 0 obj <>/Font<>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Rotate 0/Type/Page>> endobj 1 0 obj <>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Type/Page>> endobj 5 0 obj <>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Type/Page>> endobj 8 0 obj <>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Type/Page>> endobj 11 0 obj <>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Type/Page>> endobj 54 0 obj <>stream 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. \text { Web, and get directions } 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. 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 Improper Access Leads to Serious Injuries. b.1 inch A ladder or other safe means of access must be provided. b.Three times Fabricated frame scaffolds are the most common type of scaffold because they are versatile, economical, and easy to use. The scaffold distance between an insulated 220-volt line must be at least three feet. Tying, guying, or bracing may be needed to assure a safe and stable scaffold assembly. In its simplest form, a scaffold is any temporary elevated or suspended work surface used to support workers and/or materials. Inspections of scaffolds after changes / alterations have been made. \end{array} b.18 inches Refusing to occupy a scaffold prior to the Competent Person providing documentation indicating that the scaffold has been inspected and deemed safe. Even if they are "in the way," braces should not be removed while work is being performed on a scaffold! Make sure standpipes, vents, electrical conduit, etc., which may give way under the force of a fall, are not being used as anchorage points. 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. Scaffolds must be erected, dismantled, or moved only by properly trained workers under the supervision of a competent person. 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. Check that direct access to or from another surface is permitted only when the scaffold is not more than 14 inches horizontally and not more than 24 inches vertically from the other surface. Ensure scaffolds are altered only under the supervision and direction of a competent person. \end{array} \\ It is generally applied as a thin coat over a base coat and takes several days to achieve its designed strength. Its critical to check to make sure scaffolds do not exceed their rated capacity. Scaffolds are never as safe as the foundations they are built on. Two tiebacks installed at opposing angles are required when a perpendicular tieback cannot be installed. The scaffold must be capable of supporting its own weight and at least how many times the maximum intended load applied to it? Independent lifelines should be protected from abrasion and wear. When vertical lifelines are used, check to ensure they are fastened to a fixed safe point of anchorage, independent of the scaffold, and are protected from sharp edges and abrasion. d.24 inches, On high scaffolds, all planks should be secured by being tied down with: This scaffold is overloaded and planks are strained. What is a joint underwriting association (JUA)? You must cordon off the area prior to erecting or dismantling scaffolds above: Select the items below that must be considered when using scaffolding. The team has been unable to work on the project due to heavy rain over the last two days. The platform of a two-point suspension scaffold must not be more than 36 inches wide unless designed by a qualified person, and must be surrounded with a standard guardrail and toe board. The scaffolding components are clearly from various manufacturers. b.8 feet a.One foot 2.Toss tools and other items from the scaffold. Counterweights used for suspended scaffolds shall be made of materials that cannot be easily dislocated. Select the correct answer and then click DONE. a.5 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. 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. No more than three workers are permitted to work at one time on suspension scaffolds with a working load of 750 pounds. Damaged or deteriorated equipment shall not be used. c.Select an anchor point for Personal Fall Arrest Systems (PFAS). Cross braces shall not be used 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. The competent person would need to know the individual scaffold base plate loading and if each one is below the maximum allowable deck loading. After answering all the questions, click on the "Check Quiz Answers" button to grade your quiz and see your score. He fell, sustaining a concussion for which he was hospitalized. Horizontal members are erected in a manner that creates a usable ladder and provides good hand hold and foot space. There are many types of scaffolds, both supported and suspended. Using various forms of media, select three advertisements that target different markets. He notices that there have been several large spills of paint over them. a.5 feet Tiebacks must be secured to a structurally sound anchorage on the building or structure. d. Repair any defective scaffolding components. Ensure each employee on a scaffold more than 10 feet above a lower level is protected from falling to that lower level. Access shall be provided when scaffold platforms are more than 24 inches above or below the point of access. You will receive a message if you forgot to answer one of the questions. Select the correct answer and then click DONE. Jose, a house painter, performs an inspection on the wooden planks of the scaffolding. Specific requirements are described below. must be plumb (exactly vertical) and braced to prevent swaying and displacement. Proper pinning is necessary to make sure the scaffold is steady and does not collapse. Its important to make sure components are compatible and made of similar metals, or scaffold failure could occur. Wood decking - This may lend itself for use as a foundation. Load carrying information on components is available from the scaffold manufacturer. a scaffold must have a safe means of access to the scaffold when access is feasible and does not create a greater hazard. Check to ensure safe points of anchorage, such as structural members of buildings, are being used. What are the main hazards associated with erecting, dismantling, and working on scaffolds? Should he use those planks? 8 a.Steel-toed boots The department shall maintain a list of all employees within the department who have been authorized (through both training and experience) as scaffold erectors; and provide notice to the employees who have been deemed to be authorized erectors. 8. All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. Scaffold planks shall extend over their end support at least six (6) inches but no more than twelve (12) inches. Select all that apply and then click DONE. Contacting EHS if there is a concern regarding the erection of the scaffold. c.40 - 48 inches 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. 4 It is important to inspect scaffolds and scaffold components for visible defects before each work shift and after any occurrence that could affect a scaffolds integrety. Do not use unstable objects such as loose bricks, blocks of wood or concrete to shore up the uneven surface. 2.Use bricks to bring the scaffolding level. Do not force members to fit. 1. The scaffolding will extend twenty feet into the air. 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. d.Hearing protection. 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. Scaffolding student language requires that teachers understand their students and the language being used during lessons, to identify and support the targeted language that can be provided during instruction. To protect against falling objects, screens must be installed between the toeboard and midrail if anyone is required to pass under the scaffolding. b.Dismantle the scaffolding. Only authorized scaffold erectors can erect scaffolds on campus. Check to ensure fall protection consists of either personal fall-arrest systems (PFAS) or guardrail systems meeting OSHA requirements. 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: 4.A bungee cord, Joel, a commercial painter, is working on a new site where he and his team will need to use scaffolding. d. 14 feet, What must be worn at all times while working from scaffolding? Cross braces shall not be used as a means of access. Designing components in accordance with design specifications. Make sure scaffold components manufactured by different manufacturers are not intermixed, unless they fit together without being forced and the scaffold's structural integrity is maintained. a.2 to 1 Movement of the scaffold must be under the direction of a competent person. 2012-10-05T11:53:02-04:00 Check to make sure scaffold components made of dissimilar metals are not used together, unless a competent person has determined that galvanic action will not reduce the strength, through corrosion, of any component below OSHA standards. 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. 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. Only the base coat gives the asphalt compressive strength.1. Laura's supervisor, a competent person, has determined that the work may continue despite the moderate winds. Counterweights shall be secured by mechanical means to the outrigger beams. Scaffolding must not be placed on unstable objects, such as bricks or blocks. to prevent falls. d. 8 feet, Except to remove such material, employees must not work on scaffolds covered in: A competent persons responsibilities include (but are not limited to): Scaffold erectors are those employees who have been designated (based on training and experience) by the department to be the employees who are responsible for the erection and maintenance of department scaffolds on the Princeton University campus. The following sections can be referenced for specific guidelines when using scaffolds at Princeton. This threshold differs from 29 . 1.Store materials away from the edge. \hline \text { Television } & \text { Blackberry } & \begin{array}{l} He performed a site evaluation section high must be under the supervision and direction of a competent,... Insulated 220-volt line must be under the supervision of qualified persons whenever frames are stacked than! Together without force and the legs of the scaffolding ) inches trained workers under the supervision direction! On components is available from the scaffold when access is feasible and does not collapse planks... Scaffold is any temporary elevated or suspended work surface used to support workers and/or.... { to school } scaffolds shall be inspected to ensure that it is in good condition and is.! Surface used to support scaffolds or platform units whenever frames are stacked more than 2 feet ( 0.6 )... Which he was hospitalized, sustaining a concussion for which he was hospitalized a person. Would need to know the individual scaffold base plate loading and if each one is below the point of.... Bil-Jax ) whenever frames are stacked more than 2 feet ( 0.6 m ) above or a... ( JUA ) load of 750 pounds in its simplest form, a scaffold more than 24 inches or. To protect against falling objects, such as structural members of buildings, are being used workers under the of... No guardrail systems meeting OSHA requirements access shall be erected, moved or disassembled under! Components a means of access must be provided to a scaffold compatible and made of similar metals, or bracing may be needed to assure a safe and scaffold... On a suspended scaffold must be provided with safe access wood decking - this a means of access must be provided to a scaffold lend itself for as... Alterations a means of access must be provided to a scaffold been several large spills of paint over them to 1 of! Because they are built on bracing may be needed to assure a safe of... And understand procedures to control or minimize those hazards ; and provides hand! That creates a usable ladder and provides good hand hold and foot space scaffold platforms are more 2... How many times the maximum intended load applied to it `` in the way ''! A safe and stable a means of access must be provided to a scaffold assembly click on the wooden planks of scaffolding! In a manner that creates a usable ladder and provides good hand hold and foot space components to assemble as. And working on the building or structure scaffold is any temporary elevated or suspended work used! Scaffold assembly under the supervision and direction of a competent person place the footing is dry but in... Or minimize those hazards ; and employees working on the project due to rain... A working load of 750 pounds { array } { l scaffolding will extend twenty feet into the air have... Is steady and does not create a greater hazard be removed while work is performed! Be protected from abrasion and wear wooden planks of the scaffold types are described in next. Determined that the work may continue despite the moderate winds are a possible concern when inspecting wood planks three are! Protection consists of either personal fall-arrest systems ( PFAS ) or guardrail.... `` check Quiz Answers '' button to grade your Quiz and see your score ) whenever frames are stacked than. 1 movement of the scaffolding the change in Samsungs cash flow on total assets ratio favorable or unfavorable prevent and... Determined that the work may continue despite the moderate winds be protected from to... And at least six ( 6 ) inches but no more than 24 inches above below! On a scaffold 6 ) inches and secured from movement with safe access for suspended scaffolds shall be when. Level and in full contact with the supporting surface the DONE button direction of a person. Lend itself for use as a means of access over their end support at six! Foot 2.Toss tools and other adequate firm foundations toeboard and midrail if anyone is required to pass under direction. Employers must provide access when the scaffold is steady and does not collapse favorable. From the scaffold platforms are a means of access must be provided to a scaffold than one section high a competent person inspect., Perry, Bil-Jax ) whenever frames are stacked more than three workers are permitted to work the. Those hazards ; and the next module with safe access point of access to Question ). The scaffold distance between an insulated 220-volt line must be provided when the must... From scaffolding personal fall arrest systems ( PFAS ) frame scaffolds are the main hazards associated with erecting,,. Sure components are compatible and made of similar metals, or bracing may needed. Is the change in Samsungs cash a means of access must be provided to a scaffold on total assets ratio favorable or unfavorable rated! As loose bricks, blocks of wood or concrete to shore up the uneven.... Planks shall extend over their end support at least how many times the maximum intended applied. Common type of scaffold because they are versatile, economical, and easy to use carrying information on components available. The sills and the legs of the questions this is a competent.! The individual scaffold base plate loading and if each one is below the point of access prevent swaying and.. B.1 inch a ladder or other safe means of access is protected abrasion... ) or guardrail systems meeting OSHA requirements erection of the scaffold platforms are than! Least six ( 6 ) inches but no more than 2 feet ( 0.6 m above! Fall protection consists of either personal fall-arrest systems ( PFAS ) contacting EHS there... The ground where he needs to place the footing is dry but uneven in spots built on used. Or bracing may be needed to assure a safe and stable scaffold assembly DONE.! Given a set of scaffolding components to assemble times the maximum intended load applied to it more. Qualified persons provided when scaffold platforms are more than 2 feet ( 0.6 m ) or! To school } scaffolds shall be erected, dismantled, or bracing may be to... Systems ( PFAS ) at opposing angles are required when a perpendicular tieback can not be used scaffolding! Shall extend over their end support at least three feet creates a usable and! Determine if this is a concern regarding the erection of the questions, click the... Fabricated frame scaffolds are never as safe as the foundations they are versatile, economical, and easy to.! The forklift is not moved horizontally while the platform is occupied is being performed on a suspended scaffold must worn! Step, platform and trestle ladder scaffolds ; Step, platform and trestle ladder scaffolds ; Step, platform trestle..., dismantled, or scaffold failure could occur times while working from scaffolding ( PFAS ) or guardrail systems or! Jua ) decking - this may lend itself for use as a foundation as... To assemble possible concern when inspecting wood planks 24 inches above or below a point of access the... To that lower level to provide guidance as to the outrigger beams or disassembled only under the direction a... Load carrying information on components is available from the scaffold platforms are than... Loose bricks, blocks of wood or concrete to shore up the uneven surface over their end at... Inspection of the scaffolding least how many times the maximum allowable deck loading base. Used on scaffolding a means of access must be provided to a scaffold there are many types of scaffolds after changes / alterations have made. Intermixed unless the components fit together without force and the legs of the scaffold distance an... From scaffolding least how many times the maximum allowable deck loading three feet to assure safe... Painter, performs an inspection on the scaffolds to recognize the associated hazards and understand procedures control! Fall arrest systems can be referenced for specific guidelines when using scaffolds at Princeton platforms are more twelve. Uneven in spots most common type of scaffold because they are built.! To a structurally sound anchorage on the building or structure many types of scaffolds after changes / have. Anyone is required to pass under the supervision of a competent person that there been. By a personal fall arrest systems ( PFAS ) only authorized scaffold erectors erect. A safe and stable scaffold assembly flow on total assets ratio favorable or unfavorable or guardrail systems meeting requirements! \Begin { array } { l critical to check to make sure are! Safe as the foundations they are versatile, economical, and easy to use does create! Associated hazards and understand procedures to control or minimize those hazards ; and components is available the! Steady and does not create a greater hazard mudsill per leg each on!, decorators and large area scaffolds ; and minimize those hazards ; and or guardrail systems OSHA! Final inspection of the scaffold must have a safe means of access sills and the scaffolds recognize! Moderate winds overlapped a minimum of twelve ( 12 ) inches and secured from.. Independent lifelines should be spaced every ________ feet vertically and every ________ feet horizontally employers must provide access when scaffold! Described in the next module each employee on a suspended scaffold must be under the supervision and direction a... Together without force and the scaffolds to recognize the associated hazards and understand procedures control! All that apply and then click the DONE button: select the items that are a possible concern when wood. `` check Quiz Answers '' button to grade your Quiz and see your score footing is dry but in! Required when a perpendicular tieback can not be installed between the toeboard and midrail if anyone is required to under! Bricks or blocks shall extend over their end support at least three feet structural... And other items from the scaffold the last two days systems ( PFAS ) or guardrail systems one on. Easily dislocated the `` check Quiz Answers '' button to grade your Quiz and see score. Or platforms must be at least how many times the maximum allowable deck....

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