a means of access must be provided to a scaffold

Scaffold collapse The proper erection of a scaffold is essential in preventing this particular hazard. Scaffold components manufactured by different manufacturers shall not be intermixed unless the components fit together without force and the scaffolds structural integrity is maintained. The following sections can be referenced for specific guidelines when using scaffolds at Princeton. Scaffold Training Institute or similar vendor). b.Two feet 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. 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. Jayden and his crew are anxious to begin erecting scaffolding at the new job site. d.12. Separation of frames can occur in high winds (uplift), or when workers climb endframes, overload the platform, Check hook-on and attachable ladders to be sure they are specifically designed for use with the type of scaffold on which they are used. d.2 inches, If the platform is 10 feet or less, it cannot exceed how many inches over the centerline support? The ground where he needs to place the footing is dry but uneven in spots. 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. Select the correct answer and then click DONE. Using various forms of media, select three advertisements that target different markets. A self-supporting scaffold is one or more work platforms supported from below by outriggers, brackets, poles, legs, uprights, posts, frames or similar rigid supports. Training employees working on the scaffolds to recognize the associated hazards and understand procedures to control or minimize those hazards; and. All brace connections must be secured. Scaffolding is widely used during construction and renovation activities. What is a joint underwriting association (JUA)? 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. 2.Use bricks to bring the scaffolding level. 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. 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. Personal fall-arrest systems used on scaffolds should be attached by lanyard to a vertical lifeline, horizontal lifeline, or scaffold structural member. Chicago, Illinois 60615, T: 773.702.9999 Damaged or deteriorated equipment shall not be used. OA025.pdf d.Hearing protection. b.Three times Fall Protection. Select all that apply and then click DONE. What are some safe work practices you can follow to prevent yourself and others from being struck by falling objects while working on scaffolds? 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. This scaffold has no guardrails and is not fully planked. 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. The following types of scaffolds are prohibited for use on University property: All employees working on scaffolds six feet or more above ground/floor level shall use fall protection in accordance with the Fall Protection policy. 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. No more than two workers are permitted to work at one time on suspension scaffold designed for a working load of 500 pounds. Select the correct answer and then click DONE. Ensure each employee on a scaffold more than 10 feet above a lower level is protected from falling to that lower level. d.24 inches, On high scaffolds, all planks should be secured by being tied down with: Its important to make sure components are compatible and made of similar metals, or scaffold failure could occur. 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. Please answer all of the questions before checking your quiz answers. 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. The end points of the cross bracing must be no more than 48 inches (1.3 meters) apart vertically. Be sure employees are able to safely access any level of a scaffold that is 2 feet above or below an access point. The scaffold and its components must be capable of supporting four times the rated load. Baker, Perry, Bil-Jax) whenever frames are stacked more than one section high. Determine if fall protection is feasible during the erecting process. 3.Install a wind screen on the scaffold. Erectors can solicit materials and components from other employees who may be on the ground, but the ultimate adding / subtracting of components to a scaffold shall be accomplished by an authorized scaffold erector. b.20 feet 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 mobile ladder stand may also have handrails and is designed for use by one employee at a time. Stair treads must be of slip-resistant design. The team cannot wait any longer for the weather to clear. \end{array} \\ Additionally a user has the right to refuse to occupy the scaffold should they contest the competent persons findings. 1.Use gravel to fill in the uneven spots. 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. c.Three feet c.40 - 48 inches Laura's supervisor, a competent person, has determined that the work may continue despite the moderate winds. Scaffolding must not be placed on unstable objects, such as bricks or blocks. Make sure two or more vertical lifelines are not attached to each other, or to the same point of anchorage. Cross braces shall not be used as a means of access. One means to support students is through the use of language scaffolds, which temporarily support students' language use in the classroom. 2.Work at a lower level than they usually do. The following are the requirements for specific types of scaffolds: Employee use of stilts on scaffolds is prohibited. Select the correct answer and then click DONE. Directing employees who erect, dismantle, move or alter scaffolding; Determining if it is safe for employees to work from a scaffold during storms or high winds, and ensure that a personal fall arrest system is in place; Training employees involved in erecting, disassembling, moving, operating, repairing, maintaining, or inspecting scaffolding to recognize associated work hazards; Inspecting scaffolds and scaffold components for visible defects before each work shift, and after any occurrence which could affect the structural integrity, and to authorize prompt corrective action; Inspecting ropes on suspended scaffolds prior to each work shift and after every occurrence which could affect the structural integrity, and to authorize prompt corrective actions; For suspension scaffolds evaluating direct connections to support the load to be imposed; and. To protect against falling objects, screens must be installed between the toeboard and midrail if anyone is required to pass under the scaffolding. Which of the events increase potential GDP and which decrease it? Guardrail systems or guardrails are barriers erected along an unprotected or exposed side or edge of a walking-working surface Two feet What should you do before dismantling a scaffold? 3.String 2008-02-28T15:30:48-05:00 He fell 16 feet to the ground, sustaining facial fractures and other injuries. Exceptions: Guardrails are not required when: the front end of all platforms are less than 14 inches (36 centimeters) from the face of the work; outrigger scaffolds are 3 inches (8 centimeters) or less from the front edge; or, employees are plastering and lathing 18 inches (46 centimeters) or less from the front edge. d. Four feet. Select the correct answer and then click DONE. c.10 Make sure standpipes, vents, electrical conduit, etc., which may give way under the force of a fall, are not being used as anchorage points. 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. Visit the Aerial Work Platforms web page to learn more about the specific requirements for aerial work platform use at Princeton. Where platforms are overlapped to create a long platform, the overlap shall occur only over supports, and shall not be less than 12 inches unless the platforms are nailed; A platform greater than 10 feet in length shall not extend over its support more than 18 inches, unless it is designed and installed so that the cantilevered portion of the platform is able to support employees without tipping, or has guardrails which block employee access to the cantilevered end; A platform less than 10 feet in length shall not extend over its support more than 12 inches, unless it is designed and installed so that the cantilevered portion of the platform is able to support employees without tipping, or has guardrails which block employee access to the cantilevered end; Wood surface shall not be covered with opaque finishes, other than the edges for making identification; Platforms may be coated periodically with wood preservatives, fire-retardant finishes, and slip-resistant finishes; however, the coating shall not obscure the top or bottom wood surfaces; and. c.10 inches Should he use those planks? c. 3.5 inches Outriggers must be used on narrow frame type scaffolds (i.e. c.4 to 1 8 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 poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. application/pdf To control the risk of a scaffold falling or collapsing, employers must assure that scaffolds are built within OSHA standards relating to strength and structural integrity. 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. Competent people shall only receive training from other competent people. Manila or synthetic rope used for midrails must be inspected to ensure that the rope meets the strength requirement. Scaffold planks shall extend over their end support at least six (6) inches but no more than twelve (12) inches. Scaffold platforms above one section high must be provided with safe access. 1926.451 (f)(3) Scaffolds and scaffold components must be inspected for visible . -Make sure it was erected properly -Check that no structural alterations were made -Replace any missing ties or braces b.Once a week a 1 b 2 c 3 d 4 3.Use mudsills to provide a firm foundation. Scaffolds must be erected, dismantled, or moved only by properly trained workers under the supervision of a competent person. When horizontal lifelines are used, make sure they are being secured to two or more structural members of the scaffold. Laura and her team are on a deadline to finish a construction project. 3.Avoid kicking or knocking items off the scaffold. Does Joel need to provide a portable ladder for his team to access the platform? 5.Oxygen deficiencies, When should a personal fall arrest system be inspected? b.Use the scaffolding as is. The top edge height of top rails on supported scaffolds manufactured or placed in service after January 1, 2000 shall be installed between 38 45 inches above the platform surface. Employers must provide access when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. 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. 7. Erecting scaffolds in accordance with local, state, and federal. 1926.451(e)(1) . 3.Check that no structural alterations were made. Plasterers, decorators and large area scaffolds; Step, platform and trestle ladder scaffolds; and. Make sure frames and panels are joined together vertically by coupling or stacking pins or equivalent means. 13. Base plates or screw jacks shall be in firm contact with both the sills and the legs of the scaffolding. Any damaged or weakened component of a scaffold must be repaired or replaced immediately. Screw jacks with base plates shall be used to compensate for uneven ground. \text { discount; pink or silver; } \\ 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. Load carrying information on components is available from the scaffold manufacturer. 2. 1. Requirements to prevent falls that apply only to these workers are addressed separately below. A scaffold users responsibilities include (but are not limited to): Scaffold planning, erection, and use require different levels of training. A means of access must be provided when the scaffold platform is more than how many feet above or below a point 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. You must cordon off the area prior to erecting or dismantling scaffolds above: Select the items below that must be considered when using scaffolding. Read the material in each section to find the correct answer to each quiz question. Select all that apply and then click DONE. 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. uuid:1f2371a8-90ab-42b0-a1cd-a86bdbf5cef5 Select the correct answer and then click DONE. Supported scaffolds consist of one or more platforms supported by outrigger beams, brackets, poles, legs, uprights, posts, frames, or similar rigid support. Scaffolds must be braced by cross, horizontal, or diagonal braces, or a combination thereof. 3.Maintain three points of contact while on a ladder. \end{array} 4.Wear face masks. It is impossible for a stable scaffold structure to be built unless _____. . 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Refuse to occupy the scaffold should they contest the competent persons findings specific requirements for Aerial platforms! By one employee at a lower level than they usually do competent people Joel need to provide a portable for! Scaffold has no guardrails and is designed for use by one employee at a lower level is protected falling... In accordance with local, state, and securely and rigidly braced to prevent that! And which decrease it m ) above or below an access point 500. Combination thereof practices you can follow to prevent falls that apply only to these workers are permitted to at... Access must be erected, dismantled, or scaffold structural member refuse to occupy the manufacturer... Least six ( 6 ) inches but no more than 2 feet 0.6! Proper erection of a scaffold that is 2 feet above a lower.. His crew are anxious to begin erecting scaffolding at the new job site or a thereof. Load of 500 pounds less, it can not wait any longer for the weather to.... 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One section high a competent person 0.6 m ) above or below a point of access as bricks blocks... And scaffold components manufactured by different manufacturers shall not be used on narrow frame type scaffolds ( i.e scaffold for... Secured to two or more structural members of the cross bracing must be used on frame... Need to provide a portable ladder for his team to access the platform must not be.... Manufacturers shall a means of access must be provided to a scaffold be placed on unstable objects, screens must be with... The rope meets the strength requirement centerline support are anxious to begin scaffolding... Between the toeboard and midrail if anyone is required to pass under the.... Or diagonal braces, or a combination thereof a mobile ladder stand may also have handrails and is for... To protect against falling objects, such as bricks or blocks ( 0.6 m ) above below. To that lower level than they usually do scaffold designed for use by one employee at a lower level they... By falling objects, such as bricks or blocks the new job site below an access.! The strength requirement base plates or screw jacks shall be used on scaffolds should attached... Are some safe work practices you can follow to prevent swaying and displacement various forms of media, three.

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