4.Jump from one platform to another. 3.Install a wind screen on the scaffold. All other components must be capable of supporting at least four (4) times the rated load. \text { Product } \\ 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. Ensuring all inspection and maintenance practices for scaffolds are conducted by a competent person in accordance with this policy and procedure. b.38 - 45 inches Guardrails and/or personal fall arrest systems must be used when the scaffold work area is _____. Utilizing a scaffold on the Princeton University Campus for any reason requires specific involvement with several types of trained individuals. Platforms shall be constructed as follows: Scaffold components made of dissimilar metals shall not be used together unless a competent person has determined that galvanic action will not reduce the strength of any component. In such cases, verify that the platforms are as wide as feasible, and fall protection is provided. What should you do before dismantling a scaffold? . Reviewing this policy to ensure compliance with current regulations; Reporting any questionable conditions that are discovered to the responsible department; Ensuring all affected employees are trained in accordance with this policy. Scaffolding is widely used during construction and renovation activities. The riser height must be uniform, and the stair angle must be between 40 and 60 degrees from the horizontal. 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. Any damaged or weakened component of a scaffold must be repaired or replaced immediately. Manila or synthetic rope used for midrails must be inspected to ensure that the rope meets the strength requirement. 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: Scaffolding must not be placed on unstable objects, such as bricks or blocks. 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.). b.Use the scaffolding as is. There are many types of scaffolds, both supported and suspended. d.35 feet, The top rail of a guardrail system must be installed how many inches above the platform? 10, 15 Only authorized scaffold erectors can erect scaffolds on campus. It is impossible for a stable scaffold structure to be built unless _____. When the scaffold work area is less than 18 inches (46 centimeters) wide, guardrails and/or personal fall arrest systems must be used. a.18 inches b.1 inch Acrobat Distiller 7.0.5 (Windows) \text { discount; pink or silver; } \\ He performed a site evaluation and is ready to erect the scaffolding. Erectors and dismantlers face additional access problems due to the incomplete condition of the scaffolding. Environmental Health and Safety Make sure portable, hook-on, and attachable ladders are positioned so as not to tip the scaffold. All employees are prohibited from working on scaffolds covered with snow, ice, or other slippery materials. d. 8 feet, Except to remove such material, employees must not work on scaffolds covered in: Requirements to prevent falls that apply only to these workers are addressed separately below. Scaffold Platform Construction What are scaffold platform construction requirements? c.No, because the platform is less than three feet from the ground, or point of access. 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. Make sure two or more vertical lifelines are not attached to each other, or to the same point of anchorage. The guardrail system must not deflect to a height less than 39 inches. Scaffolds must be plumb, level, and squared. 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. Cross-braces of the proper length must be used to ensure that the scaffold will remain plumb and rigid. Stair treads must be of slip-resistant design. PScript5.dll Version 5.2.2 1.Climb the cross braces. The end points at each upright shall be no more than 48 inches. Scaffold planks shall extend over their end support at least six (6) inches but no more than twelve (12) inches. 4.Use tow lines to raise or lower tools and equipment. 10. Which of the events increase potential GDP and which decrease it? 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. footings are capable of supporting the loaded scaffold without settling or displacement. Select the correct answer and then click DONE. Frame spacing and sill size can only be determined after the total loads to be imposed on the scaffold and the strength of the supporting soil or structure are calculated and considered. 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. 5. 2.Electrical F: 773.702.6546 Giovanni arrives at a jobsite as part of a team contracted to repair ductwork. 21 0 obj <><><>]/ON[37 0 R]/Order[]/RBGroups[]>>/OCGs[37 0 R]>>/PageLabels 15 0 R/Pages 17 0 R/Type/Catalog>> endobj 36 0 obj <>/Font<>>>/Fields 41 0 R>> endobj 18 0 obj <>stream Scaffold platforms above one section high must be provided with safe access. All brace connections must be secured. c.One mudsill per leg extending 6 inches beyond centerline of the pole Scaffold Roles and Responsibilites Section. a.2 feet 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. Prior to occupation scaffold erectors must notify the competent person that the scaffold has been erected and is ready to be inspected. In the event of an emergency, please call 123 from any campus phone or 773.702.8181, Please direct coronavirus (COVID-19) questions tocoronavirusinfo@uchicago.edu. Ensuring all affected employees follow the prescribed practices within this policy; and. 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. Utilizing scaffolds in accordance with all local, state, federal, manufacturer, and institutional rules and regulations. Any damaged or weakened scaffold part must be: Select the items that are a possible concern when inspecting wood planks. Specific requirements for one type each ofsupported scaffold (tubular welded frame) and suspended scaffold (two-point suspension) are included in the sections below. The top edge height on supported scaffolds manufactured or placed in service before January 1, 2000, and on all suspended scaffolds where both a guardrail and a personal fall arrest system are required shall be between 36 45 inches; When mid-rails, screens, mesh, intermediate vertical members, solid panels, or equivalent structural members are used, they shall be installed between the top edge of the guardrail system and the scaffold platform; When mid-rails are used, they shall be installed at a height midway between the top edge of the guardrail system and the scaffold platform; When screens and mesh are used, they shall extend from the top edge of the guardrail system to the scaffold platform, and along the entire opening between the supports; When intermediate members are used, they shall not be more than 19 inches apart; Each top rail or equivalent member of a guardrail system shall be capable of withstanding a force of at least 100 pounds for systems on single-point adjustable suspension or two-point adjustable suspension scaffolds, and at least 200 pounds for guardrail systems installed on other scaffolds; When the loads specified above are applied in a downward direction, the top edge shall not drop below the height above the platform surface required above; Mid-rails, screens, mesh, intermediate vertical members, solid panels and equivalent structural members shall be capable of withstanding a force of at least 75 pounds for systems with a minimum 100 pound top rail capacity, and at least 150 pounds for systems with a minimum 200 pound top rail capacity; Guardrails shall be surfaced to prevent injury to an employee from punctures or lacerations and prevent snagging of clothing; The ends of all rails shall not overhang the terminal posts except when such overhang does not constitute a projection hazard; Steel or plastic banding shall not be used as a top rail or mid-rail; Manila or plastic (or other synthetic) rope being used for top rails or mid-rails shall be inspected by a competent person as frequently as necessary; and. 3.Metal c.Four times \end{array} & \begin{array}{l} b.12, 16 Scaffolding must not be placed on unstable objects, such as bricks or blocks. All scaffolding shall be plumb and level. Make sure frames and panels are joined together vertically by coupling or stacking pins or equivalent means. The following are the requirements for specific types of scaffolds: Employee use of stilts on scaffolds is prohibited. 11. c. 3.5 inches Select all that apply and then click the DONE button. As they return to the site to continue their work, the first step they should take is to: chubby There were no guardrails at the working level. 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 100% (1) Access must be provided when the scaffold platforms are more than 2 feet above or below a point of access. 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. No more than three workers are permitted to work at one time on suspension scaffolds with a working load of 750 pounds. Rolling scaffold must not be used on sloped surfaces. 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. Training employees working on the scaffolds to recognize the associated hazards and understand procedures to control or minimize those hazards; and. The department recognizes that all employees who intend on occupying a scaffold must go through the appropriate scaffold user training (see above) conducted by a qualified person (i.e. d.12. \text { Market } Scaffolding eTool Home General Requirements Suspended Scaffolds Supported Scaffolds Scissor Lifts Aerial Lifts All Types Scaffolding General Requirements for Scaffolds [ 29 CFR 1926.451] Capacity What are the capacity requirements for all scaffolds? Additional non-compliant actions associated with scaffolds will also warrant retraining and if necessary, disciplinary actions by their department. tools, scrap material, chemicals, snow, ice, etc.) One means to support students is through the use of language scaffolds, which temporarily support students' language use in the classroom. Suspended scaffold - like the supported scaffold, this type also usually consists of one or more platforms but is suspended by overhead support and ropes. \end{array} 2. 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". 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. 1. 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. 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. An employee was on a scaffold that was being dismantled when the scaffold collapsed. How can you ensure that scaffolding will automatically remain plumb, level, and square? \text { Advertised } 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. Do not force members to fit. b.Incompetent person A scaffold is a temporary structure erected to support access or working platforms. 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. scaffold and scaffold components for visible defects. Make sure standpipes, vents, electrical conduit, etc., which may give way under the force of a fall, are not being used as anchorage points. b.8 feet The competent person is the shop supervisor or her/his designated representative. After clicking the button, the questions you missed will be listed below. Select the correct answer and then click DONE. The end points of the cross bracing must be no more than 48 inches (1.3 meters) apart vertically. answers again. Scaffolding in this Guide means the individual components, for example tubes, couplers Work shall not be permitted during high winds. 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. Damaged or deteriorated equipment shall not be used. He suffered The scaffold and its components must be capable of supporting four times the rated load. 1926.451 (f)(3) Scaffolds and scaffold components must be inspected for visible . Scaffolds are commonly used in construction work so workers have a safe, stable work platform when work cannot be done at ground level or on a finished floor. The victim was climbing the end-frame of a three-tiered metal scaffold when a midrail pulled loose. a.1/2 inch 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. The work area for each scaffold platform and walkway must be at least 18 inches (46 centimeters) wide. The poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. Hot asphalt paving (summer) - This type of asphalt (top coat) is soft when placed and then compacted with rollers. b. The most frequent fall-from-elevation accident is a fall off ladders. Make sure frames and panels are connected by cross, horizontal, or diagonal braces, alone or in combination, which secure vertical members together laterally. Remove ties and braces. The team has been unable to work on the project due to heavy rain over the last two days. Select the correct answer and then click DONE. Ensure each employer working at any level over dangerous equipment while on a scaffold is protected from falling into the equipment. What should be Jayden's next step? Load carrying information on components is available from the scaffold manufacturer. 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. Tying, guying, or bracing may be needed to assure a safe and stable scaffold assembly. c.30 feet Note: Except where indicated, these . Check that scaffolds and scaffold components are capable of supporting, without failure, their own weight and at least 4 times their maximum intended load. 8 inches Be sure scaffolding stays level and plumb as erection progresses. 3.Maintain three points of contact while on a ladder. Cold asphalt paving (winter) - Asphalt has minimal compressive strength, even when cold, and especially when applied. \hline \text { Television } & \text { Blackberry } & \begin{array}{l} Ted performed a site evaluation for the purpose of erecting scaffolding. In rare instances such as this, EHS will be called in to provide guidance as to the safety of the scaffold. Its important to make sure all bracing on a scaffold has been properly constructed to make sure the scaffold does not collapse. Access shall be provided when scaffold platforms are more than 24 inches above or below the point of access. Make sure all brace connections are properly secured to prevent dislodging. Cross braces shall not be used as a means of access. Improper Access Leads to Serious Injuries. Select all that apply and then click DONE. 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. 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. 1926.451(e)(9) & (g) Inspecting all scaffold components prior to assembly to insure that components used are of similar material and in good repair before becoming a part of the completed scaffold. Uplift is the separation of a frame from the frame below it. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. 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: Base plates or screw jacks shall be in firm contact with both the sills and the legs of the scaffolding. b.3 to 1 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). Separation of frames can occur in high winds (uplift), or when workers climb endframes, overload the platform, The competent person is the shop supervisor or her/his designated representative. You can correct any missed questions and check your A list of competent persons will be maintained by the department and additional refresher type training will be provided on an as needed basis. being laid. 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. 2008-02-28T15:30:48-05:00 No University employee shall erect scaffold greater than or equal to 20 feet. 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. d.24 inches, On high scaffolds, all planks should be secured by being tied down with: A mobile ladder stand may also have handrails and is designed for use by one employee at a time. Select the correct answer and then click DONE. Horizontal members are erected in a manner that creates a usable ladder and provides good hand hold and foot space. Movement of the scaffold must be under the direction of a competent person. 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. Materials: Steel or plastic banding must not be used as a toprail or a midrail. 2.Work at a lower level than they usually do. Ensure scaffold platforms and walkways are at least 18 inches wide, unless they are used in areas that are so narrow that they must be less than 18 inches wide. Supported scaffolds consist of one or more platforms supported by outrigger beams, brackets, poles, legs, uprights, posts, frames, or similar rigid support. He notices that there have been several large spills of paint over them. All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. Scaffold collapse The proper erection of a scaffold is essential in preventing this particular hazard. Its critical to check to make sure scaffolds do not exceed their rated capacity. 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. 1.Store materials away from the edge. d.6 inches, A means of access must be provided when the scaffold platform is more than how many feet above or below a point of access? 32 - 36 inches The department will designate, identify, and provide training for competent persons within the department. Notifying the competent person of any safety concerns associated with the erection, conditions, use, and / or maintenance of the scaffold. Examining the scaffold tag (which should be affixed near the access point) to verify that a competent person has deemed the scaffold safe for use. 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. b.Two feet the forklift is not moved horizontally while the platform is occupied. Nature of electrical, fall hazards and falling object hazards in the work area; Proper handling of materials on scaffolds; Proper erecting, maintaining and disassembling of fall protection systems; Proper construction, use, placement and care in handling of scaffolds; and. The scaffolding components are clearly from various manufacturers. For a scaffold to be safe, it must be erected: . b.One continuous mudsill under both legs Compacted Gravel Roads - This type of road surface may have adequate strength but the material does not provide a smooth surface. Using various forms of media, select three advertisements that target different markets. The number one scaffold hazard is worker falls. 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