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b.20 feet \text { Students-back } \\ Fabricated frame scaffolds are the most common type of scaffold because they are versatile, economical, and easy to use. Scaffolds must be braced by cross, horizontal, or diagonal braces, or a combination thereof. Ensure planking is free of cracks and splits and within deflection limits (see below), Verify that planking remains within its safe load-bearing capacity. 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. Requirements to prevent falls that apply only to these workers are addressed separately below. It is impossible for a stable scaffold structure to be built unless _____. b. This includes (but is not limited to): mudsills, screw jacks, frames, braces, planks, access ladders, brackets, etc. 2.Rubber Specific requirements are described below. Chicago, Illinois 60615, T: 773.702.9999 Is it safe for Giovanni and his team to use the scaffolding? You can correct any missed questions and check your Persons selected to be competent persons at Princeton should receive professional Scaffold Competent person training either from an internal (Office of Environmental Health and Safety, EHS) or external competent person (i.e. He fell, sustaining a concussion for which he was hospitalized. What are the main hazards associated with erecting, dismantling, and working on scaffolds? Scaffolds must be erected, dismantled, or moved only by properly trained workers under the supervision of a competent person. Scaffold is not level because it was erected without base plates on an uneven surface. Utilizing the appropriate fall protection equipment / systems at heights above 10. Note: A level should be used during assembly to make sure new structural components remain in line. b.8 feet Sand, gravel, masonry units, rolls of roofing felt, and other such materials shall not be used as counterweights. \text { Advertised } Training of other competent persons, scaffold erectors, and users. Ensure hook-on or attachable ladders are installed as soon as scaffold erection has progressed to the point that permits safe installation and use. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. All scaffolding shall have toe boards, screens, a guardrail system and/or debris nets as determined by a competent person. Barbara and her team erected scaffolding outside of a building earlier this week. The scaffolding platform will be 32 inches from the ground. \text { discount; pink or silver; } \\ At a minimum, daily inspection and documentation of the condition of the scaffold and its ability to be occupied safely. Environmental Health and Safety footings are capable of supporting the loaded scaffold without settling or displacement. -Make sure it was erected properly -Check that no structural alterations were made -Replace any missing ties or braces 32 - 36 inches
8 When are workers on scaffolding most vulnerable to fall hazards? Select all that apply and then click DONE. 10. When hook on ladders is used, they must be provided with a rest platform every 35 feet. Cold asphalt paving (winter) - Asphalt has minimal compressive strength, even when cold, and especially when applied. For the current year, is Samsungs cash flow on total assets ratio better or worse than (a) Apples and the forklift is not moved horizontally while the platform is occupied. Fall Protection. d. 8 feet, Except to remove such material, employees must not work on scaffolds covered in: 262 Alexander Street By itself it is not normally a useable foundation material. Make a chart listing each ad and describing it as shown in the example below. You will receive a message if you forgot to answer one of the questions. c.Inspect the scaffolding for paint. 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. What should be Jayden's next step? Make sure each platform is fully planked or decked between the front uprights and the guardrail supports. b.Incompetent person 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. 3.Use mudsills to provide a firm foundation. c.10 feet Included here are general requirements for all scaffolds. However, an evaluation of the deck for its maximum allowable loading would be required, since the decking or deck structure could fail under a full scaffold load. 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 d.Hearing protection. 3. Access shall be provided when scaffold platforms are more than 24 inches above or below the point of access. Workers are most vulnerable to fall hazards when climbing on or off a scaffold. Scaffolds and components must be able to support at least four times the intended load. 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. Compacted Soils & Then Frozen - Compacted soils, as with all soils, swell and heave due to moisture content or water contained within the soil. When employees are plastering and lathing 18 inches or less from the front edge. Ensure scaffold components manufactured by different manufacturers are not allowed to be modified to make them fit together, unless a competent person determines that the resulting scaffold is structurally sound. Jayden is a competent person; he has already performed a site evaluation. When inspecting the surface conditions where the scaffolding will be erected, ask yourself: All wood planks used on scaffolds should be rated what grade? Load carrying information on components is available from the scaffold manufacturer. 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. Select the correct answer and then click DONE. 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. [29 CFR 1926.451 (e) (1)] 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 . d.5 to 1, The space between adjacent planks and the space between the plank and the uprights must be no more than: 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. Select the correct answer and then click DONE. (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 endstream
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a.5 b.Yes, because the platform is more than two feet off the ground, or point of access. 12. 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 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. 2012-10-05T11:53:02-04:00 has not been allowed to accumulate on the platform. Scaffold Training Institute or similar vendor). This scaffold has no guardrails and is not fully planked. The use of repaired wire rope is prohibited. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. 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. 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. Two tiebacks installed at opposing angles are required when a perpendicular tieback cannot be installed. 1.Wear personal fall arrest systems (PFAS). d.35 feet, The top rail of a guardrail system must be installed how many inches above the platform? \text { Product } \\ 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. 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. Any damaged or weakened component of a scaffold must be repaired or replaced immediately. Two feet What should you do before dismantling a scaffold? %PDF-1.4
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1.Use gravel to fill in the uneven spots. Cross braces shall not be used as a means of access. Movement of the scaffold must be under the direction of a competent person. Its critical to check to make sure scaffolds do not exceed their rated capacity. 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. b.6 1926.451 (f)(3) Scaffolds and scaffold components must be inspected for visible . Additionally, there is no material cohesion; during a storm the material can wash away under the scaffold base plates. 09/18/2013. d.Two mud sills per leg, Scaffolds must be erected, dismantled, moved, or altered only under the supervision of a(n) ________. 1926.451(e . For a scaffold to be safe, it must be erected: . 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. The competent person is the shop supervisor or her/his designated representative. or strike the scaffold with tools, materials, etc. The following table provides the clearance distances between scaffolds and power lines, or any other conductive material, while being erected, used, dismantled, altered or moved. d.2 inches, If the platform is 10 feet or less, it cannot exceed how many inches over the centerline support? Be sure employees are able to safely access any level of a scaffold that is 2 feet above or below an access point. 100% (1) Access must be provided when the scaffold platforms are more than 2 feet above or below a point of access. The scaffold distance between an insulated 220-volt line must be at least three feet. 2012-10-05T11:53:02-04:00 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. Base plates or screw jacks shall be in firm contact with both the sills and the legs of the scaffolding. Compacted Gravel Roads - This type of road surface may have adequate strength but the material does not provide a smooth surface. tools, scrap material, chemicals, snow, ice, etc.) Prior to occupation scaffold erectors must notify the competent person that the scaffold has been erected and is ready to be inspected. c.40 - 48 inches 3.Falling objects Make sure no gaps greater than 1 inch are permitted between adjacent planks or deck units, or between the platform and the uprights. 7. Insulated Lines; Voltage Minimum; Distance Alternatives, Uninsulated Lines; Voltage Minimum; Distance Alternatives. 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. are positioned so that their bottom step is not more than 24 inches above the scaffold supporting level; have rest platforms at maximum vertical intervals of 12 feet; have a minimum step width of 16 inches, except for mobile scaffold stairway-type ladders, which must have a minimum step width of 11 inches; and, have slip-resistant treads on all steps and landings. Erectors and dismantlers face additional access problems due to the incomplete condition of the scaffolding. All employees who perform work on a scaffold shall be trained annually to recognize the hazards associated with the type of scaffold being used and the procedures to control or minimize those hazards. 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. c.Three feet \end{array} & \begin{array}{l} 4.Use tow lines to raise or lower tools and equipment. Scaffolds must be plumb, level, and squared. b.18 inches 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. 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. Wood planks used for platforms on scaffolding shall be specifically graded for scaffold use by an approved grading agency. c.Select an anchor point for Personal Fall Arrest Systems (PFAS). Make sure wooden planking is covered with opaque finishes, except that platform edges may be marked for identification. TypeofAdvertisementTelevisionProductAdvertisedBlackberryTargetMarketStudents-backtoschoolProductInformationFeaturedBlackberryPearl;$20discount;pinkorsilver;usetogete-mail,surftheWeb,andgetdirections. Requirements for Access to Scaffolds. Employers must provide access when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. b.3 to 1 No University employee shall erect scaffold greater than or equal to 20 feet. \text { Advertisement } A ladder or other safe means of access must be provided. Is the change in Samsungs cash flow on total assets ratio favorable or unfavorable? 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 victim was climbing the end-frame of a three-tiered metal scaffold when a midrail pulled loose. What are some safe work practices you can follow to prevent yourself and others from being struck by falling objects while working on scaffolds? To protect against falling objects, screens must be installed between the toeboard and midrail if anyone is required to pass under the scaffolding. c.30 feet The team has been unable to work on the project due to heavy rain over the last two days. How many inches above the platform planked or decked between the front uprights and the legs the... - this type of road surface may have adequate strength but the material does not provide smooth. Lathing 18 inches or less, it must be at least four times the intended.... Typeofadvertisementtelevisionproductadvertisedblackberrytargetmarketstudents-Backtoschoolproductinformationfeaturedblackberrypearl ; $ 20discount ; pinkorsilver ; usetogete-mail, surftheWeb, andgetdirections prior occupation! 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