Suspended scaffold - like the supported scaffold, this type also usually consists of one or more platforms but is suspended by overhead support and ropes. Make a chart listing each ad and describing it as shown in the example below. Check to ensure fall protection consists of either personal fall-arrest systems (PFAS) or guardrail systems meeting OSHA requirements. All equipment shall be inspected to ensure that it is in good condition and is serviceable. The scaffolding will extend twenty feet into the air. 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. Even if they are "in the way," braces should not be removed while work is being performed on a scaffold! Chicago, Illinois 60615, T: 773.702.9999 Plasterers, decorators and large area scaffolds; Step, platform and trestle ladder scaffolds; and. has not been allowed to accumulate on the platform. Scaffolds and components must be able to support at least four times the intended load. 2.A plank clip Improper Access Leads to Serious Injuries. Ensure each employer working at any level over dangerous equipment while on a scaffold is protected from falling into the equipment. Check that steps and rungs of ladders and stairway-type ladders line up vertically with each other between rest platforms. Laura and her team are on a deadline to finish a construction project. Do not use unstable objects such as loose bricks, blocks of wood or concrete to shore up the uneven surface. Select the correct answer and then click DONE. Scaffolding in this Guide means the individual components, for example tubes, couplers The means of access must be determined before erection of the scaffold and employees are never allowed to climb on cross braces for either vertical or horizontal movement. Requirements specific to the other types are described in the next module. 1. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. d. 8 feet, Except to remove such material, employees must not work on scaffolds covered in: The work area for each scaffold platform and walkway must be at least 18 inches (46 centimeters) wide. Separation of frames can occur in high winds (uplift), or when workers climb endframes, overload the platform, \end{array} & \begin{array}{l} \text { Blackberry Pearl; } \$ 20 \\ Environmental Health and Safety The scaffold must be capable of supporting its own weight and at least how many times the maximum intended load applied to it? 262 Alexander Street 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. Make sure no gaps greater than 1 inch are permitted between adjacent planks or deck units, or between the platform and the uprights. Scaffold planks shall extend over their end support at least six (6) inches but no more than twelve (12) inches. 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. Two tiebacks installed at opposing angles are required when a perpendicular tieback cannot be installed. a. Be sure scaffolding stays level and plumb as erection progresses. 4.Wear face masks. Maintaining fall protection requirements while erecting / dismantling scaffolds. Ensuring all affected employees follow the prescribed practices within this policy; and. Any damaged or weakened scaffold part must be: Select the items that are a possible concern when inspecting wood planks. What are supported scaffold foundations set on to ensure stability? a.5 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. c.4 to 1 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. The weather has been an issue and has pushed the project back. Designing components in accordance with design specifications. Check to make sure scaffold components made of dissimilar metals are not used together, unless a competent person has determined that galvanic action will not reduce the strength, through corrosion, of any component below OSHA standards. Select the correct answer and then click DONE. What must ramps and walkways 6 feet or more above lower levels be equipped with? 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. Select the correct answer and then click DONE. 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). \end{array} & \begin{array}{l} Stairways must: have the stringers with a maximum slope of 60 degrees from the horizontal handrail on the open side of each flight Ramps used to access scaffolds must: Have a slope gradient not exceeding 1 in 3. Contacting and coordinating with the Competent Person regarding any issues associated with the erection of a scaffold. 1.Snow 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. 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. A mobile ladder stand may also have handrails and is designed for use by one employee at a time. When the work area is less than 18 inches wide. You must cordon off the area prior to erecting or dismantling scaffolds above: 1.People All employees are prohibited from working on scaffolds covered with snow, ice, or other slippery materials. Select the correct answer and then click DONE. When the scaffold work area is less than 18 inches (46 centimeters) wide, guardrails and/or personal fall arrest systems must be used. Select the correct answer and then click DONE. a. In its simplest form, a scaffold is any temporary elevated or suspended work surface used to support workers and/or materials. No more than three workers are permitted to work at one time on suspension scaffolds with a working load of 750 pounds. Supported scaffold - a type of scaffold that is supported by poles, frames, and outriggers, and usually consists of one or more platforms. . a 1 b 2 c 3 d 4 3.Use mudsills to provide a firm foundation. 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. Only those items specifically designed as counterweights must be used. 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. All erection of scaffold greater than or equal to 20 feet shall be conducted by a licensed contractor. All other components must be capable of supporting at least four (4) times the rated load. \text { Featured } Scaffolds must be erected, dismantled, or moved only by properly trained workers under the supervision of a competent person.
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\79bj!1}dpB~9V&co7Sj. Scaffolds shall be erected, moved or disassembled only under the supervision of qualified persons. There are many types of scaffolds, both supported and suspended. \text { Advertisement } Screw jacks with base plates shall be used to compensate for uneven ground. Click on the button to see requirements for ladders on stair tower systems. 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. Erecting scaffolds in accordance with local, state, and federal. Ensure frames and panels are locked together to prevent uplift, where uplift can occur. uuid:1f2371a8-90ab-42b0-a1cd-a86bdbf5cef5 Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. 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. a.
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. Supported scaffolds consist of one or more platforms supported by outrigger beams, brackets, poles, legs, uprights, posts, frames, or similar rigid support. \end{array} \\ b.12, 16 [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 . Employees doing overhand bricklaying from a supported scaffold must be protected by a guardrail or personal fall arrest system on all sides except the side where the work is being done. . Make sure standpipes, vents, electrical conduit, etc., which may give way under the force of a fall, are not being used as anchorage points. being laid. foundations are set on base plates, mud sills, and other adequate firm foundations. 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. All scaffolds used in construction, renovation, repair (including painting and decorating), and demolition shall be erected, dismantled and maintained in accordance with this policy and procedure. By itself it is not normally a useable foundation material. c.10 feet Select the correct answer and then click DONE. Make sure employees do not use cross-braces as a means of access. Make sure all brace connections are properly secured to prevent dislodging. 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. \text { Target } \\ Make sure wooden planking is covered with opaque finishes, except that platform edges may be marked for identification. a.Steel-toed boots b.6 Select the correct answer and then click DONE. Load carrying information on components is available from the scaffold manufacturer. 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. Wood planks used for platforms on scaffolding shall be specifically graded for scaffold use by an approved grading agency. 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. a.Two times Competent people shall only receive training from other competent people. 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. c.10 inches 4.A bungee cord, Joel, a commercial painter, is working on a new site where he and his team will need to use scaffolding. a.1/2 inch 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. Tiebacks must not be secured to standpipes, vents, other piping systems, or electrical conduit. d.5 to 1, The space between adjacent planks and the space between the plank and the uprights must be no more than: 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. To protect against falling objects, screens must be installed between the toeboard and midrail if anyone is required to pass under the scaffolding. Only authorized scaffold erectors can erect scaffolds on campus. Supported scaffold poles, frames, uprights, etc. For a scaffold to be safe, it must be erected: . In general, a level is the easiest way to achieve the desired right angles. What is a joint underwriting association (JUA)? This threshold differs from 29 . Employees shall be trained to demonstrate competency in the following areas: 5235 South Harper Court b.Yes, because the platform is more than two feet off the ground, or point of access. Scaffold users must be trained in the recognition of the hazards associated with working on a scaffold they may be using including: the hazards of the particular scaffold that they intend to use; the nature of any fall, falling object, or electrical hazards; the correct procedures for dealing with electrical hazards and for erecting, maintaining, and disassembling the fall protection systems and falling object protection systems being used; the proper use of the scaffold and the proper handling of materials on the scaffold; the maximum intended load carrying capacities of the scaffolds used. Training of other scaffold users if needed. 2. How much weight should a supported scaffold and components be capable of supporting without failure? 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. Its critical to check to make sure scaffolds do not exceed their rated capacity. 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. Damaged or deteriorated equipment shall not be used. 1926.451(e . a.15 feet c.6 feet 3.Metal 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. d.Five times, Which would provide a more stable foundation? Scaffolding must not be placed on unstable objects, such as bricks or blocks. 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. 1.Climb the cross braces. Which of the events increase potential GDP and which decrease it? 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. Giovanni arrives at a jobsite as part of a team contracted to repair ductwork. Make sure each platform is fully planked or decked between the front uprights and the guardrail supports. Scaffolding is widely used during construction and renovation activities. Select the correct answer and then click DONE. This scaffold is overloaded and planks are strained. Select the correct answer and then click DONE. There were no guardrails at the working level. Replace any missing ties or braces. 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