2. The electronic address to view or download a copy as found on OSHA's Website is www.osha.gov. Each worker on a suspended scaffold must be protected by a personal fall arresting system attached to an independent lifeline. \text { use to get e-mail, surf the } \\ d.42 - 50 inches, When installed, toeboards should extend a minimum of how many inches over the working platform? 3.Use mudsills to provide a firm foundation. unstable objects are not used to support scaffolds or platform units. Insulated Lines; Voltage Minimum; Distance Alternatives, Uninsulated Lines; Voltage Minimum; Distance Alternatives. All scaffolding shall be plumb and level. 5.Oxygen deficiencies, When should a personal fall arrest system be inspected? Utilizing scaffolds in accordance with all local, state, federal, manufacturer, and institutional rules and regulations. Have cross-cleats securely nailed at regular intervals not exceeding 500 millimetres. 1926.451(e)(9) & (g) 100% (1) Access must be provided when the scaffold platforms are more than 2 feet above or below a point of access. 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. Hot asphalt paving (summer) - This type of asphalt (top coat) is soft when placed and then compacted with rollers. Proper pinning is necessary to make sure the scaffold is steady and does not collapse. 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". 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). b.6 Before erecting the scaffold, a number of factors must be accounted for. b.Incompetent person PScript5.dll Version 5.2.2 Additionally a user has the right to refuse to occupy the scaffold should they contest the competent persons findings. Inspections of scaffolds after changes / alterations have been made. Which of the events increase potential GDP and which decrease it? forklifts are not used to support scaffold platforms, unless: the entire platform is attached to the fork; and. 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. Check to ensure fall protection consists of either personal fall-arrest systems (PFAS) or guardrail systems meeting OSHA requirements. This includes (but is not limited to): mudsills, screw jacks, frames, braces, planks, access ladders, brackets, etc. The number one scaffold hazard is worker falls. Ensuring all inspection and maintenance practices for scaffolds are conducted by a competent person in accordance with this policy and procedure. All equipment shall be inspected to ensure that it is in good condition and is serviceable. 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. Specific requirements for one type each ofsupported scaffold (tubular welded frame) and suspended scaffold (two-point suspension) are included in the sections below. Before each use d.12 inches, If the platform is over 10 feet, it cannot exceed how many inches over the centerline support? answers again. \text { Advertisement } 3.Metal Movement of the scaffold must be under the direction of a competent person. 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. The poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. 2.Toss tools and other items from the scaffold. footings are capable of supporting the loaded scaffold without settling or displacement. 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. Cross braces shall not be used as a means of access. d.24 inches, On high scaffolds, all planks should be secured by being tied down with: 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? b.Use the scaffolding as is. Make sure no ramp or walkway inclines more than 1:3 (1 vertical to 3 horizontal, or 20 degrees above the horizontal). Environmental Health and Safety Select all that apply and then click DONE. Stair treads must be of slip-resistant design. The end points at each upright shall be no more than 48 inches. a.Steel-toed boots As they return to the site to continue their work, the first step they should take is to: b.20 feet Cross braces shall not be used as a means of access. Select the correct answer and then click DONE. Chicago, Illinois 60615, T: 773.702.9999 Fabricated frame scaffolds are the most common type of scaffold because they are versatile, economical, and easy to use. Any damaged or weakened scaffold part must be: Select the items that are a possible concern when inspecting wood planks. Scaffold should not be occupied while moving unless a competent person has determined it is safe to do so. Erecting scaffolds in accordance with local, state, and federal. \text { Web, and get directions } Select all that apply and then click the DONE button. b.Dismantle the scaffolding. 4.Chemical burns d. 8 feet, Except to remove such material, employees must not work on scaffolds covered in: 2. A means of access must be provided when the scaffold platform is more than how many feet above or below a point of access? The scaffolding components are clearly from various manufacturers. 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: Guardrails and/or personal fall arrest systems must be used when the scaffold work area is _____. Scaffold components manufactured by different manufacturers shall not be intermixed unless the components fit together without force and the scaffolds structural integrity is maintained. Specific requirements are described below. Scaffolding must not be placed on unstable objects, such as bricks or blocks. b.3 to 1 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. (1) A type of supported scaffold set on wheels or casters (2) A simple device consisting of a platform resting on brackets attached to a ladder (3) A uniquely designed scaffold consisting of a platform supported by moveable brackets on vertical poles (1)Mobile Scaffold (2) Ladder Scaffold (3) Pump Jack Scaffold Select the correct answer and then click DONE. Select the correct answer and then click DONE. a.16 inches All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. Direct . Read the material in each section to find the correct answer to each quiz question. The most frequent fall-from-elevation accident is a fall off ladders. The scaffold was not secured to wooden footing supports, nor was it tied to the building. Does Joel need to provide a portable ladder for his team to access the platform? Scaffold planks shall extend over their end support at least six (6) inches but no more than twelve (12) inches. 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. Single-point adjustable suspension scaffolds. 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. Scaffold collapse The proper erection of a scaffold is essential in preventing this particular hazard. Select all that apply and then click DONE. 1.Use gravel to fill in the uneven spots. Scaffold Roles and Responsibilites Section. An access ladder or equivalent safe access must be provided. a.Two times 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. 3.Install a wind screen on the scaffold. While sitting or kneeling on a fixed deck plank attached to a fabricated frame scaffold, a worker was pulling a 16-foot long 2x4 off the bucket of an excavator. When employees are plastering and lathing 18 inches or less from the front edge. The competent person would need to know the individual scaffold base plate loading and if each one is below the maximum allowable deck loading. c.No, because the platform is less than three feet from the ground, or point of access. Designing components in accordance with design specifications. d. Four feet. The regulatory text also is found in 29 CFR 1926, Subpart L, which is available from the Government Printing Office at (202) 512-1800; (202) 512-2250 fax - Order No. 1.A number nine wire Final inspection of the scaffold prior to initial occupation for use. 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. Work shall not be permitted during high winds. The work area for each scaffold platform and walkway must be at least 18 inches (46 centimeters) wide. Ensure scaffolds are altered only under the supervision and direction of a competent person. Make sure no gaps greater than 1 inch are permitted between adjacent planks or deck units, or between the platform and the uprights. In general, a level is the easiest way to achieve the desired right angles. Select the correct answer and then click DONE. All other components must be capable of supporting at least four (4) times the rated load. Should he use those planks? to prevent falls. \text { Blackberry Pearl; } \$ 20 \\ A ladder or other safe means of access must be provided. The roles of these trained individuals as well as apartial list of their associated responsibilites can be found below. Select the correct answer and then click DONE. 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. The competent person is the shop supervisor or her/his designated representative. This scaffold has no guardrails and is not fully planked. Included here are general requirements for all scaffolds. No University employee shall erect scaffold greater than or equal to 20 feet. scaffold and scaffold components for visible defects. a.Competent person Scaffolds must be erected, dismantled, or moved only by properly trained workers under the supervision of a competent person. It is generally applied as a thin coat over a base coat and takes several days to achieve its designed strength. c.10 inches (b) Googles? 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. a.5 The team is given a set of scaffolding components to assemble. or strike the scaffold with tools, materials, etc. 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. 3. Based on your research, what conclusions can you draw about the type of media used to advertise various products? OSHA has standards that apply specifically to the steps that must be taken to assure a stable scaffold base. a.5 feet Jose, a house painter, performs an inspection on the wooden planks of the scaffolding. Scaffolding is widely used during construction and renovation activities. Select all that apply and then click DONE. b.2 inches 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. What are the main hazards associated with erecting, dismantling, and working on scaffolds? All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. Guardrails shall be installed along the open sides and ends before releasing the scaffold for use by the employees, other than erection or dismantling crews. \text { Students-back } \\ In order to be safe, which two options can Laura's team choose from to continue work? 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. 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. Tiebacks must be secured to a structurally sound anchorage on the building or structure. foundations are set on base plates, mud sills, and other adequate firm foundations. Screw jacks with base plates shall be used to compensate for uneven ground. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. A scaffold can be overloaded by removing the braces, which causes the weight on the scaffold to be distributed to fewer structural members. It is impossible for a stable scaffold structure to be built unless _____. Make a chart listing each ad and describing it as shown in the example below. 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. 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