a means of access must be provided to a scaffold

1.Wear personal fall arrest systems (PFAS). c.24 inches Cross braces shall not be used as a means of access. 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. 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. A scaffold is a temporary structure erected to support access or working platforms. No University employee shall design any scaffolding. 32 - 36 inches How can you ensure that scaffolding will automatically remain plumb, level, and square? to prevent falls. 10. Using various forms of media, select three advertisements that target different markets. A competent person must make the feasibility determination based on site conditions and the type of scaffold being erected or dismantled. Manila or synthetic rope used for top rails must be inspected to ensure that the rope meets the strength requirement. You must cordon off the area prior to erecting or dismantling scaffolds above: 1.People Only the base coat gives the asphalt compressive strength.1. Scaffold should not be occupied while moving unless a competent person has determined it is safe to do so. Laura and her team are on a deadline to finish a construction project. Stationary scaffolds over 125 feet in height and rolling scaffolds over 60 feet in height shall be designed by a professional engineer. Materials being hoisted onto a scaffold must uuid:1f2371a8-90ab-42b0-a1cd-a86bdbf5cef5 2008-02-28T15:30:48-05:00 The team has been unable to work on the project due to heavy rain over the last two days. 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. c.13, 15 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. He performed a site evaluation and is ready to erect the scaffolding. Compacted Gravel Roads - This type of road surface may have adequate strength but the material does not provide a smooth surface. Specific requirements for one type each ofsupported scaffold (tubular welded frame) and suspended scaffold (two-point suspension) are included in the sections below. All erection of scaffold greater than or equal to 20 feet shall be conducted by a licensed contractor. Please answer all of the questions before checking your quiz answers. Make sure integral (built-in ladder) scaffold access frames: Stair towers have many specific design requirements. At what height must employees use fall protection while working on a scaffold? Note: Platforms may be coated periodically with wood preservatives, fire retardants, and slip-resistant finishes, provided they do not obscure the top or bottom wood surfaces. PScript5.dll Version 5.2.2 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. Is it safe for Giovanni and his team to use the scaffolding? Load carrying information on components is available from the scaffold manufacturer. Replace any missing ties or braces. Select the correct answer and then click DONE. d. 14 feet, What must be worn at all times while working from scaffolding? 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. Single-point adjustable suspension scaffolds. 09/18/2013. being laid. The footing of scaffolding must be sound and rigid, capable of supporting the weight. Make sure portable, hook-on, and attachable ladders are positioned so as not to tip the scaffold. \end{array} & \begin{array}{l} c.20 inches \end{array} Acrobat Distiller 7.0.5 (Windows) 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. 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. S/N 869-034-00107-6; cost $30 (foreign $37.50). Horizontal members are erected in a manner that creates a usable ladder and provides good hand hold and foot space. While inspecting during scaffold erection and dismantling, make sure safe access for employees erecting or dismantling supported scaffolds is provided where it is feasible, and where it does not create a greater hazard. c.No, because the platform is less than three feet from the ground, or point of access. All scaffolds and their components must support without failure its own weight and at least four times the maximum intended load applied or transmitted to the scaffold. Ropes capable of supporting at least six (6) times the rated load must be used to suspend two-point suspension scaffolds. c.4 to 1 the forklift is not moved horizontally while the platform is occupied. When scaffold platforms are more than 2 feet (0.6 m) above or below a point of access, portable ladders, hook-on ladders, attachable ladders, stair towers (scaffold stairways/towers), stairway-type ladders (such as ladder stands), ramps, walkways, integral prefabricated scaffold access, or direct access from another scaffold, structure, personnel To prevent movement, the scaffold must be secured to the building or structure at intervals not to exceed 30 feet horizontally and 26 feet vertically. 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. No more than three workers are permitted to work at one time on suspension scaffolds with a working load of 750 pounds. tools, scrap material, chemicals, snow, ice, etc.) Ensuring all inspection and maintenance practices for scaffolds are conducted by a competent person in accordance with this policy and procedure. 3.Falling objects 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. Outriggers must be used on narrow frame type scaffolds (i.e. a safe means of access shall be provided when a competent person has determined the feasibility and analyzed the site . When the other end of the 2x4 slipped off the bucket, the employee did not let go of his end, and was pulled off the deck. Select the correct answer and then click DONE. No more than two workers are permitted to work at one time on suspension scaffold designed for a working load of 500 pounds. Ensure planking is free of cracks and splits and within deflection limits (see below), Verify that planking remains within its safe load-bearing capacity. Two feet What should you do before dismantling a scaffold? 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. Scaffold components manufactured by different manufacturers shall not be intermixed unless the components fit together without force and the scaffolds structural integrity is maintained. d.24 inches, On high scaffolds, all planks should be secured by being tied down with: Fall Protection. 1.A number nine wire a. Inspections of scaffolds after changes / alterations have been made. Additionally, there is no material cohesion; during a storm the material can wash away under the scaffold base plates. The scaffold was not secured to wooden footing supports, nor was it tied to the building. b.Dismantle the scaffolding. Note: Except where indicated, these . 1.Climb the cross braces. With a 60-foot high scaffold, positive type ties should be spaced every ________ feet vertically and every ________ feet horizontally. This includes (but is not limited to): mudsills, screw jacks, frames, braces, planks, access ladders, brackets, etc. Note: A level should be used during assembly to make sure new structural components remain in line. All employees are prohibited from working on scaffolds covered with snow, ice, or other slippery materials. \begin{array}{l} All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. O>wk`2^Ln?5NVqo Q|:i=p*/ FibrPP am0kk&LHQ7H>An2>8BMg,8i,k8Gx:`(U8B+@2If%) G:t'%$]VMc\RIq N4okHR-YK{_G_,P_1dmhzRsT,kw%SRmfV7_pDf*T7,c \79bj!1}dpB~9V&co7Sj. 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. b.6 c.Anyone %PDF-1.4 % Refusing to occupy a scaffold prior to the Competent Person providing documentation indicating that the scaffold has been inspected and deemed safe. d.Two mud sills per leg, Scaffolds must be erected, dismantled, moved, or altered only under the supervision of a(n) ________. An access ladder or equivalent safe access must be provided. Prior to occupation scaffold erectors must notify the competent person that the scaffold has been erected and is ready to be inspected. uuid:F4AC72E838E6DC1181DF85762784E02C Erectors and dismantlers face additional access problems due to the incomplete condition of 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. 2. Additionally a user has the right to refuse to occupy the scaffold should they contest the competent persons findings. 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. a.18 inches 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. Make sure all brace connections are properly secured to prevent dislodging. Supported scaffolds consist of one or more platforms supported by outrigger beams, brackets, poles, legs, uprights, posts, frames, or similar rigid support. 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. unstable objects are not used to support scaffolds or platform units. Any damaged or weakened component of a scaffold must be repaired or replaced immediately. d.Five times, Which would provide a more stable foundation? Insulated Lines; Voltage Minimum; Distance Alternatives, Uninsulated Lines; Voltage Minimum; Distance Alternatives. It is impossible for a stable scaffold structure to be built unless _____. \text { Students-back } \\ 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. 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? Select the correct answer and then click DONE. By itself it is not normally a useable foundation material. 4.Use tow lines to raise or lower tools and equipment. 3.Metal Select all that apply and then click the DONE button. c.1 1/2 inches Poor foundation: Scaffold end frames, which have no base plate, are erected on top of scrap wood and unstable cement blocks. b. Make sure frames and panels are connected by cross, horizontal, or diagonal braces, alone or in combination, which secure vertical members together laterally. What should you do before dismantling a scaffold? Only authorized scaffold erectors can erect scaffolds on campus. In its simplest form, a scaffold is any temporary elevated or suspended work surface used to support workers and/or materials. Select the correct answer and then click DONE. Select all that apply and then click DONE. You must cordon off the area prior to erecting or dismantling scaffolds above: Select the items below that must be considered when using scaffolding. Wood planks used for platforms on scaffolding shall be specifically graded for scaffold use by an approved grading agency. c.6 feet b.1 inch Erecting scaffolds in accordance with local, state, and federal. d.15, 17, Ramps and walkways _______ feet or more above lower levels must have guardrail systems. 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. 12. Select the correct answer and then click DONE. Before erecting a scaffold, the first step is to: a.Perform a site evaluation. The scaffolding platform will be 32 inches from the ground. 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. Special consideration is required when scaffolding is to be erected on fill, soft or frozen ground. 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. Sills shall be level and in full contact with the supporting surface. 5.Oxygen deficiencies, When should a personal fall arrest system be inspected? a.5 In such cases, verify that the platforms are as wide as feasible, and fall protection is provided. 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. 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. 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? There are many types of scaffolds, both supported and suspended. Any damaged or weakened component of a scaffold must be repaired or replaced immediately. A ladder or other safe means of access must be provided. \end{array} \\ Make sure two or more vertical lifelines are not attached to each other, or to the same point of anchorage. Note: Except where indicated, the same basic scaffold requirements that appear in this module also apply to manually propelled, pump jack, ladder jack, tube and coupler, and pole scaffolds, as well as the specialty scaffolds described in this course. Is the change in Samsungs cash flow on total assets ratio favorable or unfavorable? Cold asphalt paving (winter) - Asphalt has minimal compressive strength, even when cold, and especially when applied. a.One foot 8. The weather has been an issue and has pushed the project back. The number one scaffold hazard is worker falls. c.10 feet a 1 b 2 c 3 d 4 Base plates or screw jacks shall be in firm contact with both the sills and the legs of the scaffolding. Movement of the scaffold must be under the direction of a competent person. Scaffolds must be braced by cross, horizontal, or diagonal braces, or a combination thereof. Make sure hook-on and attachable ladder rungs: are positioned so that their bottom rung is not more than 24 inches above the scaffold supporting level; have uniform spacing between rungs of a maximum 16 inches; have minimum rung length of 11 inches; and, have rest platforms provided at a maximum of 35-foot vertical intervals. c.Select an anchor point for Personal Fall Arrest Systems (PFAS). Employers must provide access when the scaffold platforms are more than 2 feet (0.6 meters) above or below a point of access. 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. fall protection systems in place, falling object prevention in place, appropriate access / egress to and from the scaffold, appropriate anchorage and stability of the structure, appropriate walking / working surfaces, maintaining appropriate clearances from electrical hazards, etc.). Hot asphalt paving (summer) - This type of asphalt (top coat) is soft when placed and then compacted with rollers. b.38 - 45 inches When erecting or dismantling supported scaffolds, a safe means of access shall be provided when a competent person has determined the feasibility and analyzed the site conditions. 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. d.Hearing protection. 1.Snow 4.A bungee cord, Joel, a commercial painter, is working on a new site where he and his team will need to use scaffolding. Therefore, employers are required to provide safe scaffold access. Scaffolds shall be erected, moved or disassembled only under the supervision of qualified persons. The means of access must be determined before erection of the scaffold and employees are never allowed to climb on cross braces for either vertical or horizontal movement. d. Four feet. d.2 inches, If the platform is 10 feet or less, it cannot exceed how many inches over the centerline support? 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. has not been allowed to accumulate on the platform. 2.Use bricks to bring the scaffolding level. Compute the recent two years cash flow on total assets ratio for Samsung. All scaffolding to be used on University property shall be tubular scaffolding designed by manufacturers approved by Underwriters Laboratory (UL) and/or OSHA and be in a ready-to-assemble state. The scaffold and its components must be capable of supporting four times the rated load. Should he use those planks? 1.Use gravel to fill in the uneven spots. Each worker on a suspended scaffold must be protected by a personal fall arresting system attached to an independent lifeline. 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. Make sure employees do not use cross-braces as a means of access. 4.Wear face masks. The poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. d.Choose access points. 7. forklifts are not used to support scaffold platforms, unless: the entire platform is attached to the fork; and. Select the correct answer and then click DONE. 3.String Select the correct answer and then click DONE. The use of repaired wire rope is prohibited. 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. Stair treads must be of slip-resistant design. Scaffolding must not be placed on unstable objects, such as bricks or blocks. 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. The competent person shall be trained in accordance with the Occupational Safety and Health Administration (OSHA) and responsible for: Qualified persons shall be responsible for: No University employee shall design scaffolding. Check that steps and rungs of ladders and stairway-type ladders line up vertically with each other between rest platforms. a. Dismantle the scaffolding. 3.Avoid kicking or knocking items off the scaffold. Requirements for Access to Scaffolds. Check that scaffolds and scaffold components are capable of supporting, without failure, their own weight and at least 4 times their maximum intended load. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. 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. d.28 inchesa, When ladders are used on a supported scaffold that is taller than 35 feet, then rest platforms must be available at intervals no greater than: One means to support students is through the use of language scaffolds, which temporarily support students' language use in the classroom. 1.Store materials away from the edge. What are integral (built-in) access frames specifically designed for? Employers must provide access when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. Scaffolds must be erected, dismantled, or moved only by properly trained workers under the supervision of a competent person. or strike the scaffold with tools, materials, etc. 4.Chemical burns Suspended scaffold - like the supported scaffold, this type also usually consists of one or more platforms but is suspended by overhead support and ropes. Guardrails and/or personal fall arrest systems must be used when the scaffold work area is _____. All scaffolding shall have toe boards, screens, a guardrail system and/or debris nets as determined by a competent person. b. 2012-10-05T11:53:02-04:00 Employees doing overhand bricklaying from a supported scaffold must be protected by a guardrail or personal fall arrest system on all sides except the side where the work is being done. 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. Ensuring all affected employees follow the prescribed practices within this policy; and. F: 773.702.6546 Employees shall be trained to demonstrate competency in the following areas: 5235 South Harper Court What are supported scaffold foundations set on to ensure stability? 2. 8 inches a.One mudsill per leg Tiebacks must not be secured to standpipes, vents, other piping systems, or electrical conduit. application/pdf

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