Personal fall-arrest systems used on scaffolds should be attached by lanyard to a vertical lifeline, horizontal lifeline, or scaffold structural member. 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. d.12. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. Horizontal members are erected in a manner that creates a usable ladder and provides good hand hold and foot space. Select all that apply and then click the DONE button. 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. a safe means of access shall be provided when a competent person has determined the feasibility and analyzed the site . 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. c.Four times Be sure scaffolding stays level and plumb as erection progresses. c. 3.5 inches a.2 to 1 What should you do before dismantling a scaffold? a.18 inches The scaffold distance between an insulated 220-volt line must be at least three feet. Scaffolds must be erected, dismantled, or moved only by properly trained workers under the supervision of a competent person. c.20 inches 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. Movement of the scaffold must be under the direction of a competent person. \text { Students-back } \\ 4.Ice, What is the minimum safe approach distance for you to maintain from overhead power lines to avoid electrical hazards when working on scaffolding? b.12, 16 In its simplest form, a scaffold is any temporary elevated or suspended work surface used to support workers and/or materials. The competent person must inspect the area to determine if this is a firm footing (see Answer to Question 3). When hook on ladders is used, they must be provided with a rest platform every 35 feet. The weather has been an issue and has pushed the project back. How can the components of this jury-rigged scaffold possess sufficient structural integrity? Standard guardrails (e.g., handrail and midrail) and toeboards must be provided for all open sides of the scaffolding that are ten (10) feet or more above the surrounding surfaces. It is impossible for a stable scaffold structure to be built unless _____. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. 1.Use gravel to fill in the uneven spots. Erectors also must abide by all manufacturer recommendations and be capable of erecting scaffolds under the guidance of a competent person. Is it safe for Giovanni and his team to use the scaffolding? Tiebacks must be secured to a structurally sound anchorage on the building or structure. Even if they are "in the way," braces should not be removed while work is being performed on a scaffold! Check that scaffolds and scaffold components are capable of supporting, without failure, their own weight and at least 4 times their maximum intended load. Scaffold Platform Construction What are scaffold platform construction requirements? \text { Product } \\ Ensure frames and panels are locked together to prevent uplift, where uplift can occur. 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. Select the correct answer and then click DONE. Personal fall arrest systems can be used on scaffolding when there are no guardrail systems. When are workers on scaffolding most vulnerable to fall hazards? 3.Metal Two feet What should you do before dismantling a scaffold? 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. Notifying the competent person of any safety concerns associated with the erection, conditions, use, and / or maintenance of the scaffold. Make sure that anything that could cause a slip, trip or fall (i.e. Employers must provide access when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. Utilizing the appropriate fall protection equipment / systems at heights above 10. c.6 feet 262 Alexander Street 2008-02-28T15:30:48-05:00 S/N 869-034-00107-6; cost $30 (foreign $37.50). 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 poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. After clicking the button, the questions you missed will be listed below. \text { Market } Included here are general requirements for all scaffolds. Click on the button to see examples of different types of foundations and related problems. 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. Read the material in each section to find the correct answer to each quiz question. 1926.451(e)(1) . All brace connections must be secured. 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. He fell approximately 12 feet to a concrete dock. d. 14 feet, What must be worn at all times while working from scaffolding? 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. Do not force members to fit. 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. Select the correct answer and then click DONE. Acrobat Distiller 7.0.5 (Windows) Ensuring all inspection and maintenance practices for scaffolds are conducted by a competent person in accordance with this policy and procedure. 3. Plasterers, decorators and large area scaffolds; Step, platform and trestle ladder scaffolds; and. 3.Check that no structural alterations were made. The spaces between platforms cannot exceed one inch. Ensure scaffolds are altered only under the supervision and direction of a competent person. This includes (but is not limited to): mudsills, screw jacks, frames, braces, planks, access ladders, brackets, etc. 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). Chicago, Illinois 60615, T: 773.702.9999 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. Scaffolding is widely used during construction and renovation activities. 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. 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. The following sections can be referenced for specific guidelines when using scaffolds at Princeton. Select the correct answer and then click DONE. They are frequently used in one or two tiers by residential contractors, painters, etc., but their modular frames can also be stacked several stories high for use on large-scale construction jobs. He fell, sustaining a concussion for which he was hospitalized. Select the correct answer and then click DONE. 3.Avoid kicking or knocking items off the scaffold. It is generally applied as a thin coat over a base coat and takes several days to achieve its designed strength. \hline \text { Television } & \text { Blackberry } & \begin{array}{l} 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. 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. \end{array} \\ Proper pinning is necessary to make sure the scaffold is steady and does not collapse. The competent person is responsible for determining the safety and feasibility of installing and using safe means of access, based on site conditions and the type of scaffold involved. 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. Select the correct answer and then click DONE. Cross braces shall not be used as a means of access. A ladder or other safe means of access must be provided. Rolling scaffold must not be used on sloped surfaces. Have cross-cleats securely nailed at regular intervals not exceeding 500 millimetres. 5.Use taglines if a load could swing and hit the scaffold. 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. a.1.5 inches Additionally, there is no material cohesion; during a storm the material can wash away under the scaffold base plates. Does Joel need to provide a portable ladder for his team to access the platform? Ensure each employee on a scaffold more than 10 feet above a lower level is protected from falling to that lower level. to prevent falls. You will receive a message if you forgot to answer one of the questions. PScript5.dll Version 5.2.2 Make sure no ramp or walkway inclines more than 1:3 (1 vertical to 3 horizontal, or 20 degrees above the horizontal). Scaffold should not be occupied while moving unless a competent person has determined it is safe to do so. 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. 3.Use mudsills to provide a firm foundation. 1.Slips and falls b.38 - 45 inches Select the correct answer and then click DONE. 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. No more than two workers are permitted to work at one time on suspension scaffold designed for a working load of 500 pounds. b.One continuous mudsill under both legs 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. Requirements for Access to Scaffolds. Cold asphalt paving (winter) - Asphalt has minimal compressive strength, even when cold, and especially when applied. a.Two times 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 . 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. Scaffold planks shall extend over their end support at least six (6) inches but no more than twelve (12) inches. 1. All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. d.24 inches, On high scaffolds, all planks should be secured by being tied down with: 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. d.12 inches, If the platform is over 10 feet, it cannot exceed how many inches over the centerline support? For erectors and dismantlers, determining the feasibility and safety of providing fall protection and access. Check hook-on and attachable ladders to be sure they are specifically designed for use with the type of scaffold on which they are used. Compacted Soils & Then Frozen - Compacted soils, as with all soils, swell and heave due to moisture content or water contained within the soil. In its simplest form, a scaffold is any temporary elevated or suspended work surface used to support workers and/or materials. 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. Stair treads must be of slip-resistant design. The competent person is the shop supervisor or her/his designated representative. a.Begin to erect the scaffolding. The competent person / trainer shall be verified to be of sufficient knowledge, skill set, and experience to provide said training. You must cordon off the area prior to erecting or dismantling scaffolds above: 1.People Make a chart listing each ad and describing it as shown in the example below. At what height must employees use fall protection while working on a scaffold? 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? Poor foundation: Scaffold end frames, which have no base plate, are erected on top of scrap wood and unstable cement blocks. 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. Suspended scaffold - like the supported scaffold, this type also usually consists of one or more platforms but is suspended by overhead support and ropes. What should Ted do? 1.Snow Materials: Steel or plastic banding must not be used as a toprail or a midrail. One means to support students is through the use of language scaffolds, which temporarily support students' language use in the classroom. Hook on ladders is used, they must be overlapped a minimum of twelve ( 12 ) inches but more! 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