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. This must be done prior to initial use of the scaffold each shift. 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. Providing a scaffold to the user that is free from recognizable and preventable hazards (i.e. footings are capable of supporting the loaded scaffold without settling or displacement. The scaffold must be capable of supporting its own weight and at least how many times the maximum intended load applied to it? Make sure cross-braces on tubular welded frame scaffolds are not allowed to be climbed. 1926.451(e . Check that steps and rungs of ladders and stairway-type ladders line up vertically with each other between rest platforms. Fall protection consists of either personal fall-arrest systems or guardrail systems, and must be provided on any scaffold 10 feet or more above a lower level. 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. When are workers on scaffolding most vulnerable to fall hazards? \text { Target } \\ b.2 inches You must cordon off the area prior to erecting or dismantling scaffolds above: 1.People Any damaged or weakened component of a scaffold must be repaired or replaced immediately. Wood planks used for platforms on scaffolding shall be specifically graded for scaffold use by an approved grading agency. All employees are prohibited from working on scaffolds covered with snow, ice, or other slippery materials. 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. Select the correct answer and then click DONE. 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: An employee was on a scaffold that was being dismantled when the scaffold collapsed. Horizontal members are erected in a manner that creates a usable ladder and provides good hand hold and foot space. Designing components in accordance with design specifications. The department will designate, identify, and provide training for competent persons within the department. d.12. a. Dismantle the scaffolding. \end{array} Requirements specific to the other types are described in the next module. answers again. 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. 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. 8 inches 4. Employers must provide access when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. Contact EHS for assistance and guidance in any of the duties associated with being a Competent Person. Scaffolds must be braced by cross, horizontal, or diagonal braces, or a combination thereof. 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? 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. (b) Googles? 3.Metal 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. Princeton, NJ 08540ehs@princeton.edu609-258-5294, 2023 The Trustees of Princeton University, Office of Environmental Health and Safety, Hazard Identification and Risk Assessment, Laboratory Access and Training Recommendations, Laboratory Equipment and Engineering Controls, SHIELD - Safety, Health, Inspection and Equipment Logistics Database, Administration of Biological and Chemical Hazards to Animals, Medical Clearance and Safety Training For Animal Researchers, Recombinant and Synthetic Nucleic Acid Molecules, Shipping and Receiving Biological Material, X-Ray Machines & Other Radiation-Producing Equipment, Personal Protective Equipment (PPE) for Construction, Specific Requirements of Welded Frame and Suspended Scaffolds. 5.Use taglines if a load could swing and hit the scaffold. 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. c.One mudsill per leg extending 6 inches beyond centerline of the pole When hook on ladders is used, they must be provided with a rest platform every 35 feet. Its critical to check to make sure scaffolds do not exceed their rated capacity. Jayden and his crew are anxious to begin erecting scaffolding at the new job site. Utilizing scaffolds in accordance with all local, state, federal, manufacturer, and institutional rules and regulations. As they return to the site to continue their work, the first step they should take is to: 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. Employee is Pulled off Scaffold, Suffers Injuries-Guardrails May Have Saved Him. 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. 2.A plank clip 1.Wear personal fall arrest systems (PFAS). b.8 feet c.10 The use of shore scaffolds and lean-to-scaffolds is strictly prohibited. d.Hearing protection. Scaffolds must be plumb, level, and squared. Each worker on a suspended scaffold must be protected by a personal fall arresting system attached to an independent lifeline. Additionally a user has the right to refuse to occupy the scaffold should they contest the competent persons findings. Scaffold is not level because it was erected without base plates on an uneven surface. \end{array} & \begin{array}{l} All scaffolding shall have toe boards, screens, a guardrail system and/or debris nets as determined by a competent person. application/pdf Base plates or screw jacks shall be in firm contact with both the sills and the legs of the scaffolding. Using wire to connect bracing is not safe. Counterweights used for suspended scaffolds shall be made of materials that cannot be easily dislocated. The footing of scaffolding must be sound and rigid, capable of supporting the weight. Guardrail systems or guardrails are barriers erected along an unprotected or exposed side or edge of a walking-working surface 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. 2.Toss tools and other items from the scaffold. 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. The end points at each upright shall be no more than 48 inches. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. The scaffolding will extend twenty feet into the air. 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. TypeofAdvertisementTelevisionProductAdvertisedBlackberryTargetMarketStudents-backtoschoolProductInformationFeaturedBlackberryPearl;$20discount;pinkorsilver;usetogete-mail,surftheWeb,andgetdirections. A ladder or other safe means of access must be provided. \text { to school } a. Cross braces shall not be used as a means of access. Select the correct answer and then click DONE. 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. F: 773.702.6546 Laura and her team are on a deadline to finish a construction project. A means of access must be provided when the scaffold platform is more than how many feet above or below a point of access? He fell, sustaining a concussion for which he was hospitalized. c.10 feet Barbara and her team erected scaffolding outside of a building earlier this week. 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. b.Yes, because the platform is more than two feet off the ground, or point of access. 2008-02-28T15:30:48-05:00 Based on your research, what conclusions can you draw about the type of media used to advertise various products? In its simplest form, a scaffold is any temporary elevated or suspended work surface used to support workers and/or materials. 2. The footing of scaffolding must be sound and rigid, capable of supporting the weight. Only the base coat gives the asphalt compressive strength.1. Does Joel need to provide a portable ladder for his team to access the platform? Baker, Perry, Bil-Jax) whenever frames are stacked more than one section high. 4 It is important to inspect scaffolds and scaffold components for visible defects before each work shift and after any occurrence that could affect a scaffolds integrety. Check to ensure safe points of anchorage, such as structural members of buildings, are being used. You can correct any missed questions and check your 262 Alexander Street 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. 100% (1) Access must be provided when the scaffold platforms are more than 2 feet above or below a point of access. 5.Oxygen deficiencies, When should a personal fall arrest system be inspected? What should you do before dismantling a scaffold? Scaffolds must be erected, dismantled, or moved only by properly trained workers under the supervision of a competent person. Erecting scaffolds in accordance with local, state, and federal. 12. Training of other scaffold users if needed. The number one scaffold hazard is worker falls. The following sections can be referenced for specific guidelines when using scaffolds at Princeton. Two tiebacks installed at opposing angles are required when a perpendicular tieback cannot be installed. Damaged or deteriorated equipment shall not be used. b.20 feet . This threshold differs from 29 . a.One mudsill per leg 1.Slips and falls Before erecting the scaffold, a number of factors must be accounted for. 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. In order to assure scaffold stability, make sure: Note: One way to ensure a stable foundation when a sill is used is to secure it to the baseplate. Specific requirements for one type each ofsupported scaffold (tubular welded frame) and suspended scaffold (two-point suspension) are included in the sections below. Employees shall be trained to demonstrate competency in the following areas: 5235 South Harper Court The scaffolding components are clearly from various manufacturers. b.Incompetent person 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. 8 Make sure no gaps greater than 1 inch are permitted between adjacent planks or deck units, or between the platform and the uprights. Direct access is acceptable when the scaffold is not more than14 inches horizontally and not more than 24 inches vertically from the other surfaces. Specific requirements are described below. Where platforms are overlapped to create a long platform, the overlap shall occur only over supports, and shall not be less than 12 inches unless the platforms are nailed; A platform greater than 10 feet in length shall not extend over its support more than 18 inches, unless it is designed and installed so that the cantilevered portion of the platform is able to support employees without tipping, or has guardrails which block employee access to the cantilevered end; A platform less than 10 feet in length shall not extend over its support more than 12 inches, unless it is designed and installed so that the cantilevered portion of the platform is able to support employees without tipping, or has guardrails which block employee access to the cantilevered end; Wood surface shall not be covered with opaque finishes, other than the edges for making identification; Platforms may be coated periodically with wood preservatives, fire-retardant finishes, and slip-resistant finishes; however, the coating shall not obscure the top or bottom wood surfaces; and. 1. What is the most common type of supported scaffold? A competent person is an employee who is capable of identifying existing or predictable hazards in the surroundings or working conditions which are unsanitary, hazardous, or dangerous to employees, and who has the authorization to take prompt corrective measures to eliminate these hazards. 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? Cross-braces of the proper length must be used to ensure that the scaffold will remain plumb and rigid. Select the correct answer and then click DONE. S/N 869-034-00107-6; cost $30 (foreign $37.50). Which of the events increase potential GDP and which decrease it? 1.Snow A single tieback must be installed perpendicular to the face of the building or structure. \begin{array}{l} multiple fractures to the head, left and right foot, and left wrist, and torn ligaments in the knees. 7. 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. Separation of frames can occur in high winds (uplift), or when workers climb endframes, overload the platform, 4.Use cinder blocks to level the uneven ground. Notifying the competent person of any safety concerns associated with the erection, conditions, use, and / or maintenance of the scaffold. a.Begin to erect the scaffolding. 4.Use tow lines to raise or lower tools and equipment. Scaffolding must not be placed on unstable objects, such as bricks or blocks. uuid:F4AC72E838E6DC1181DF85762784E02C Exceptions: Guardrails are not required when: the front end of all platforms are less than 14 inches (36 centimeters) from the face of the work; outrigger scaffolds are 3 inches (8 centimeters) or less from the front edge; or, employees are plastering and lathing 18 inches (46 centimeters) or less from the front edge. 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. d. Four feet. 1.A number nine wire Stationary scaffolds over 125 feet in height and rolling scaffolds over 60 feet in height shall be designed by a professional engineer. What should Ted do? The weather has been an issue and has pushed the project back. 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. 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. \text { Featured } Be sure employees are able to safely access any level of a scaffold that is 2 feet above or below an access point. or strike the scaffold with tools, materials, etc. Specific requirements are described below. a. \end{array} & \begin{array}{l} The competent person would need to know the individual scaffold base plate loading and if each one is below the maximum allowable deck loading. There were no guardrails at the working level. Replace any missing ties or braces. 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