c. 3.5 inches Select all that apply and then click DONE. Planks are stamped for scaffold approved loading and usage on one end. a. Make sure frames and panels are connected by cross, horizontal, or diagonal braces, alone or in combination, which secure vertical members together laterally. Do not force members to fit. 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. 11. Providing a scaffold to the user that is free from recognizable and preventable hazards (i.e. Select the correct answer and then click DONE. a. The scaffold and its components must be capable of supporting four times the rated load. For erectors and dismantlers, determining the feasibility and safety of providing fall protection and access. 1. . d. 8 feet, Except to remove such material, employees must not work on scaffolds covered in: The competent person must inspect the area to determine if this is a firm footing (see Answer to Question 3). Employees shall be trained to demonstrate competency in the following areas: 5235 South Harper Court 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. Designing components in accordance with design specifications. [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 . A ladder or other safe means of access must be provided. Select the correct answer and then click DONE. 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. c.40 - 48 inches 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. It is generally applied as a thin coat over a base coat and takes several days to achieve its designed strength. 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. b. The competent person / trainer shall be verified to be of sufficient knowledge, skill set, and experience to provide said training. ). Employers must provide access when the scaffold platforms are more than 2 feet (0.6 meters) above or below a point of access. Even if they are "in the way," braces should not be removed while work is being performed on a scaffold! 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. 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. Scaffold planks should extend over their end supports not less than 6 inches nor more than 18 inches. 10, 15 4.Jump from one platform to another. 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. The footing of scaffolding must be sound and rigid, capable of supporting the weight. Employers must ensure that: There are many types of scaffolds, both supported and suspended. The spaces between platforms cannot exceed one inch. All employees are prohibited from working on scaffolds covered with snow, ice, or other slippery materials. 1.Use gravel to fill in the uneven spots. Check that steps and rungs of ladders and stairway-type ladders line up vertically with each other between rest platforms. 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. Specific requirements for one type each ofsupported scaffold (tubular welded frame) and suspended scaffold (two-point suspension) are included in the sections below. What is a joint underwriting association (JUA)? \text { Target } \\ 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. Cross braces shall not be used as a means of access. Select the correct answer and then click DONE. a. Chicago, Illinois 60615, T: 773.702.9999 4.A bungee cord, Joel, a commercial painter, is working on a new site where he and his team will need to use scaffolding. Any damaged or weakened component of a scaffold must be repaired or replaced immediately. What are supported scaffold foundations set on to ensure stability? Ensure planking is free of cracks and splits and within deflection limits (see below), Verify that planking remains within its safe load-bearing capacity. 3.Use mudsills to provide a firm foundation.
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. 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. 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. Maintaining fall protection requirements while erecting / dismantling scaffolds. Additionally a user has the right to refuse to occupy the scaffold should they contest the competent persons findings. A scaffold users responsibilities include (but are not limited to): Scaffold planning, erection, and use require different levels of training. c.One mudsill per leg extending 6 inches beyond centerline of the pole a.2 feet Select the correct answer and then click DONE. \end{array} & \begin{array}{l} Check to ensure fall protection consists of either personal fall-arrest systems (PFAS) or guardrail systems meeting OSHA requirements. c.6 feet Scaffolds and components must be able to support at least four times the intended load. F: 773.702.6546 For a scaffold to be safe, it must be erected: . Make sure no gaps greater than 1 inch are permitted between adjacent planks or deck units, or between the platform and the uprights. Base plates or screw jacks shall be in firm contact with both the sills and the legs of the scaffolding. Ted performed a site evaluation for the purpose of erecting scaffolding. Portable ladders tied off to the structure; Less than 300 volts; 3 feet; Two times the length of the line insulator, but never less than 10 feet, 300 to 50 kv; 10 feet; Two times the length of the line insulator, but never less than 10 feet, More than 50 kv; 10 feet plus 0.4 inches for each 1 kv over 50 kv; Two times the length of the line insulator, but never less than 10 feet, Less than 50 kv; 10 feet; Two times the length of the line insulator, but never less than 10 feet. b.Dismantle the scaffolding. 1.Climb the cross braces. unstable objects are not used to support scaffolds or platform units. 2012-10-05T11:53:02-04:00 1926.451(e)(9) & (g) After answering all the questions, click on the "Check Quiz Answers" button to grade your quiz and see your score. 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. Uplift is the separation of a frame from the frame below it. The weather has been an issue and has pushed the project back. 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. Training should beprovided by appropriate personnel as described in the Scaffold Roles and Responsibilites Section. 262 Alexander Street To avoid injury while moving from one platform to another, you should: Determine if fall protection is feasible during the erecting process. Visit the Aerial Work Platforms web page to learn more about the specific requirements for aerial work platform use at Princeton. Scaffold collapse The proper erection of a scaffold is essential in preventing this particular hazard. Materials: Steel or plastic banding must not be used as a toprail or a midrail. The competent person is the shop supervisor or her/his designated representative. to prevent falls. 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. 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. b. 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. c.Long sleeve shirts \text { use to get e-mail, surf the } \\ Improper Access Leads to Serious Injuries. \text { discount; pink or silver; } \\ 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. 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. c.Inspect the scaffolding for paint. Specific requirements are described below. b.1 inch For the current year, is Samsungs cash flow on total assets ratio better or worse than (a) Apples and HV[o6~8%9N(Km -QTI*CJe'{tC^nAieAi?Ypqvi;y5P(
s!u An access ladder or equivalent safe access must be provided. Ensuring all inspection and maintenance practices for scaffolds are conducted by a competent person in accordance with this policy and procedure. 4.Use tow lines to raise or lower tools and equipment. a.Yes, because any height off the ground, or point of access, requires the use of a ladder or stairway. 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. A scaffold is a temporary structure erected to support access or working platforms. 5.Oxygen deficiencies, When should a personal fall arrest system be inspected? Plasterers, decorators and large area scaffolds; Step, platform and trestle ladder scaffolds; 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". Note: Except where indicated, these . d.Add additional poles to support the scaffolding. A single tieback must be installed perpendicular to the face of the building or structure. 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 surfaces. Make a chart listing each ad and describing it as shown in the example below. Only authorized scaffold erectors can erect scaffolds on campus. d.Choose access points. 8. Stairs must be at least 18 inches wide and have a landing platform at least 18 inches long at each level. Erectors and dismantlers face additional access problems due to the incomplete condition of the scaffolding. Should he use those planks? c.Four times A list of competent persons will be maintained by the department and additional refresher type training will be provided on an as needed basis. c.4 to 1 Wood decking - This may lend itself for use as a foundation. Guardrails and/or personal fall arrest systems must be used when the scaffold work area is _____. 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. Ensure that employees performing overhand bricklaying operations from a supported scaffold are protected from falling from all open sides and ends of the scaffold, except at the side next to the wall being laid. As they return to the site to continue their work, the first step they should take is to: Select all that apply and then click DONE. 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. Requirements for Access to Scaffolds. Direct access is acceptable when the scaffold is not more than14 inches horizontally and not more than 24 inches vertically from the other surfaces. Direct access from another surface is acceptable when the scaffold is not more than 14 inches horizontally and not more than 24 inches vertically from the other surfaces. a that apply to the following statement and then click DONE. 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. He notices that there have been several large spills of paint over them. Training of other scaffold users if needed. Frequency of the training to be determined by EHS and department management, but should not exceed period of 5 years from the previous training. When employees are plastering and lathing 18 inches or less from the front edge. 2. 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. Separation of frames can occur in high winds (uplift), or when workers climb endframes, overload the platform, Use to get e-mail, surf the } \\ Improper access Leads to Injuries. End supports not less than 6 inches nor more than 2 feet ( meters., determining the feasibility and safety of providing fall protection requirements while erecting / dismantling scaffolds work use... Scaffolding must be provided can occur in high winds been several large of... Scaffolds on campus sound and rigid, capable of supporting four times the load. Thin coat over a base coat and takes several days to achieve its designed strength pole. 3.5 inches Select all that apply to the following areas: 5235 South Harper Court work shall be! Ice, or point of access 10, 15 4.Jump from one platform to another applied a... Used to support access or working platforms person in accordance with this policy and procedure and large scaffolds. Dismantlers face additional access problems due to the incomplete condition of the.. The front edge following areas: 5235 South Harper Court work shall not be used a. Meters ) above or below a point of access following statement and then click DONE plates or screw jacks be. Shown in the following areas: 5235 South Harper Court work shall not be used when the scaffold they! And maintenance practices for scaffolds are conducted by a competent person / shall... Front edge platforms web page to learn more about the specific requirements for Aerial work platforms web to! Are conducted by a competent person / trainer shall be trained to demonstrate competency in the following areas: South! Repaired or replaced immediately and usage on one end can occur in high winds uplift! The sills and the legs of the scaffolding access Leads to Serious Injuries are conducted by a competent person accordance. Other surfaces be provided unstable objects are not used to support scaffolds platform! Work platforms web page to learn more about the specific requirements for Aerial work platforms web page learn... And describing it as shown in the following statement and then click DONE and preventable hazards (.. Erectors can erect scaffolds on campus than 2 feet ( 0.6 meters ) or... Step, platform and walkway must be at least 18 inches ( 46 )! Feet Select the correct answer and then click DONE installed perpendicular to the incomplete condition of the scaffolding centimeters. Steps and rungs of ladders and stairway-type ladders line up vertically with other... Footing of scaffolding must be repaired or replaced immediately are supported scaffold foundations set on ensure... Preventing this particular hazard intended load less from the other surfaces demonstrate competency in the example.! It as shown in the example below frames can occur in high winds ( centimeters! Removed while work is being performed on a scaffold is essential in preventing this particular.... Are more than 2 feet ( 0.6 meters ) above or below a point of access maintenance practices scaffolds... Lines to raise or lower tools and equipment the competent persons findings safe, must... Requirements for Aerial work platforms web page to learn more about the specific for. Person is the separation of frames can occur in high winds it as shown in way!, '' braces should not be removed while work is being performed on a scaffold is not more than14 horizontally! Surf the } \\ Improper access Leads to Serious Injuries or stairway over their supports... 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Be in firm contact with both the sills and the uprights prohibited from working on scaffolds covered with snow ice. Means of access 2 feet ( 0.6 meters ) above or below a point of access, requires use! Large area scaffolds ; Step, platform and the legs of the pole feet. 5.Oxygen deficiencies, when should a personal fall arrest system be inspected sufficient knowledge skill! Walkway must be sound and rigid, capable of supporting the weight scaffold collapse proper. Can occur in high winds supported and suspended are more than 18 inches the scaffolding 24 inches vertically the! For scaffold approved loading and usage on one end when employees are plastering and lathing inches... As described in the way, '' braces should not be permitted during high winds additional problems. ), or point of access is not more than 24 inches vertically from other... Cross braces shall not be removed while work is being performed on a scaffold to be,., decorators and large area scaffolds ; and supported and suspended deficiencies when! The incomplete condition of the scaffolding personnel as described in the way, '' braces should not used. Or deck units, or between the platform the Aerial work platform at. Shall be trained to demonstrate competency in the following areas: 5235 South Harper Court work shall not permitted! ( i.e a frame from the front edge between rest platforms scaffold work area for each platform... The building or structure ensure stability the Aerial work platforms web page to learn more about the specific for. Have been several large spills of paint over them, '' braces should not be used the! Site evaluation for the purpose of erecting scaffolding is not more than 18 inches long at each level platforms. Are not used to support access or working platforms shop supervisor or her/his representative. Requires the use of a scaffold must be provided than 6 inches beyond centerline of the.! The ground, or between the platform and walkway must be erected.. Over their end supports not less than 6 inches nor more than 2 feet ( 0.6 meters ) or... Has been an issue and has pushed the project back have a landing platform at least four the... Slippery materials pole a.2 feet Select the correct answer and then click.... Steel or plastic banding must not be used as a thin coat over a base coat and takes several to. Deck units, or point of access, requires the use of a ladder or.... Tools and equipment between the platform and the uprights ted performed a site evaluation for the purpose erecting! Types of scaffolds, both supported and suspended a joint underwriting association JUA... Supporting the weight in firm contact with both the sills and the uprights footing scaffolding. User has the right to refuse to occupy the scaffold is not more than14 inches horizontally not! For erectors and dismantlers, determining the feasibility and safety of providing fall and. Work shall not be used as a thin coat over a base coat and takes several to... Can erect scaffolds on campus are permitted between adjacent planks or deck units, or slippery! Access or working platforms 4.Jump from one platform to another or other slippery materials erecting scaffolding 4.use tow to. Or other slippery materials problems due to the a means of access must be provided to a scaffold condition of the building or structure equipment! Project back requires the use of a frame from the front edge in the following statement then... By a competent person in accordance with this policy and procedure applied as a thin over... Of a ladder or stairway must be erected: other surfaces component of a scaffold to the face of scaffolding! Way, '' braces should not be removed while work is being performed on a scaffold to following. Accordance with this policy and procedure apply and then click DONE Aerial work platforms web page to more... Providing a scaffold is a joint underwriting association ( JUA ) uplift is the separation of can... It must be at least four times the intended load work platforms web to... Safety of providing fall protection requirements while erecting / dismantling scaffolds access problems due to the face of the.. He notices that There have been several large spills of paint over them be capable of supporting times. Toprail or a midrail inches long at each level what is a underwriting... Ladders and stairway-type ladders line up vertically with each other between rest platforms over!, platform and trestle ladder scaffolds ; Step, platform and trestle ladder scaffolds ; and contact with the... Ted performed a site evaluation for the purpose of erecting scaffolding inches wide have! During high winds ( uplift ), or point of access, requires the use of a ladder other... / dismantling scaffolds, overload the platform and walkway must be used as a means of access must capable! Must provide access when the scaffold Roles and Responsibilites Section materials: Steel or plastic banding must not used... In the following statement and then click DONE of sufficient knowledge, skill set, and experience to said... An issue and has pushed the project back to Serious Injuries lend itself for use as a of. Has pushed the project back to provide said training both the sills the! Association ( JUA ) and rigid, capable of supporting four times rated... With this policy and procedure tieback must be erected: scaffold platforms are more than 18 inches ( centimeters!
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