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. 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. b.One continuous mudsill under both legs After clicking the button, the questions you missed will be listed below. Improper Access Leads to Serious Injuries. 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. The following are the requirements for specific types of scaffolds: Employee use of stilts on scaffolds is prohibited. 2008-02-28T15:30:48-05:00 Screw jacks with base plates shall be used to compensate for uneven ground. a.Competent person b.Once a week Before erecting the scaffold, a number of factors must be accounted for. 3.Falling objects Inspections of scaffolds after changes / alterations have been made. Then this must be inspected when conditions change, such as sunny conditions, warming temperatures, etc. The competent person / trainer shall be verified to be of sufficient knowledge, skill set, and experience to provide said training. Make sure all brace connections are properly secured to prevent dislodging. The electronic address to view or download a copy as found on OSHA's Website is www.osha.gov. This must be done prior to initial use of the scaffold each shift. a.Steel-toed boots c.Long sleeve shirts a. 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. 1.Use gravel to fill in the uneven spots. There are many types of scaffolds, both supported and suspended. Select the correct answer and then click DONE. The team is given a set of scaffolding components to assemble. Frequency of the training to be determined by EHS and department management, but should not exceed period of 5 years from the previous training. 7. Notifying the competent person of any safety concerns associated with the erection, conditions, use, and / or maintenance of the scaffold. He fell, sustaining a concussion for which he was hospitalized. Select the correct answer and then click DONE. Make sure that anything that could cause a slip, trip or fall (i.e. Additionally, there is no material cohesion; during a storm the material can wash away under the scaffold base plates. Be sure employees are able to safely access any level of a scaffold that is 2 feet above or below an access point. and must be provided on any scaffold 10 feet or more above a lower level. The scaffold must be capable of supporting its own weight and at least how many times the maximum intended load applied to it? 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. Two feet What should you do before dismantling a scaffold? In order to be safe, which two options can Laura's team choose from to continue work? Utilizing the appropriate fall protection equipment / systems at heights above 10. 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. Uplift is the separation of a frame from the frame below it. 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. Plasterers, decorators and large area scaffolds; Step, platform and trestle ladder scaffolds; and. 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.Re-evaluate the site, as the ground conditions have changed due to weather. 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. This creates a dangerous situation during the freeze/thaw cycle (which can occur in the course of a day) causing the soil to swell or settle and may not result in a level rigid footing. 11. Giovanni arrives at a jobsite as part of a team contracted to repair ductwork. b.6 Scaffolds must be plumb, level, and squared. 13. Design and preplanning of the scaffold including weight limitations, scaffold type, fall protection, tie-offs, supports, etc. a that apply to the following statement and then click DONE. 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. a.One mudsill per leg Is it safe for Giovanni and his team to use the scaffolding? d.35 feet, The top rail of a guardrail system must be installed how many inches above the platform? Materials being hoisted onto a scaffold must For the current year, is Samsungs cash flow on total assets ratio better or worse than (a) Apples and a.16 inches Based on your research, what conclusions can you draw about the type of media used to advertise various products? Scaffold planks should extend over their end supports not less than 6 inches nor more than 18 inches. front-end loaders and similar pieces of equipment are not used as support scaffold platforms, unless they have been specifically designed by the manufacturer for such use. uuid:F4AC72E838E6DC1181DF85762784E02C He fell 16 feet to the ground, sustaining facial fractures and other injuries. d.Choose access points. c.20 inches Select the correct answer and then click DONE. Hot asphalt paving (summer) - This type of asphalt (top coat) is soft when placed and then compacted with rollers. Any damaged or weakened component of a scaffold must be repaired or replaced immediately. Separation of frames can occur in high winds (uplift), or when workers climb endframes, overload the platform, It is impossible for a stable structure to be built upon a foundation that does not start out square and level. What is the widest gap permitted between adjacent planks or deck units, or between the platform and the uprights of a scaffold? Select all that apply and then click DONE. Using wire to connect bracing is not safe. 8 inches A single tieback must be installed perpendicular to the face of the building or structure. 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. b.2 inches b.18 inches Erecting scaffolds in accordance with local, state, and federal. d.15, 17, Ramps and walkways _______ feet or more above lower levels must have guardrail systems. In rare instances such as this, EHS will be called in to provide guidance as to the safety of the scaffold. a.2 to 1 \end{array} & \begin{array}{l} d.Hearing protection. What are integral (built-in) access frames specifically designed for? 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. 2.Electrical 1.A number nine wire 3.Avoid kicking or knocking items off the scaffold. \text { Blackberry Pearl; } \$ 20 \\ 100% (1) Access must be provided when the scaffold platforms are more than 2 feet above or below a point of access. Do not use unstable objects such as loose bricks, blocks of wood or concrete to shore up the uneven surface. Note: A level should be used during assembly to make sure new structural components remain in line. O>wk`2^Ln?5NVqo Q|:i=p*/ FibrPP am0kk&LHQ7H>An2>8BMg,8i,k8Gx:`(U8B+@2If%) G:t'%$]VMc\RIq N4okHR-YK{_G_,P_1dmhzRsT,kw%SRmfV7_pDf*T7,c \79bj!1}dpB~9V&co7Sj. Select the correct answer and then click DONE. 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. 2. Scaffold Training Institute or similar vendor). 1.Store materials away from the edge. Do not force members to fit. Proper pinning is necessary to make sure the scaffold is steady and does not collapse. Refusing to occupy a scaffold prior to the Competent Person providing documentation indicating that the scaffold has been inspected and deemed safe. b.Yes, because the platform is more than two feet off the ground, or point of access. 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. When the scaffold work area is less than 18 inches (46 centimeters) wide, guardrails and/or personal fall arrest systems must be used. A scaffold can be overloaded by removing the braces, which causes the weight on the scaffold to be distributed to fewer structural members. unstable objects are not used to support scaffolds or platform units. Guardrails and/or personal fall arrest systems must be used when the scaffold work area is _____. 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. Designing components in accordance with design specifications. b.12, 16 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. d. 8 feet, Except to remove such material, employees must not work on scaffolds covered in: It is impossible for a stable scaffold structure to be built unless _____. 3. 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. Check to ensure fall protection consists of either personal fall-arrest systems (PFAS) or guardrail systems meeting OSHA requirements. Select the correct answer and then click DONE. Materials: Steel or plastic banding must not be used as a toprail or a midrail. What are the main hazards associated with erecting, dismantling, and working on scaffolds? Independent lifelines should be protected from abrasion and wear. Make sure the planks are not allowed. Any damaged or weakened scaffold part must be: Select the items that are a possible concern when inspecting wood planks. 4.A bungee cord, Joel, a commercial painter, is working on a new site where he and his team will need to use scaffolding. 4 feet No more than three workers are permitted to work at one time on suspension scaffolds with a working load of 750 pounds. Wood planks used for platforms on scaffolding shall be specifically graded for scaffold use by an approved grading agency. 10, 15 A means of access must be provided when the scaffold platform is more than how many feet above or below a point of access? Scaffold collapse The proper erection of a scaffold is essential in preventing this particular hazard. The footing of scaffolding must be sound and rigid, capable of supporting the weight. 1926.451 (f)(3) Scaffolds and scaffold components must be inspected for visible . forklifts are not used to support scaffold platforms, unless: the entire platform is attached to the fork; and. -Make sure it was erected properly -Check that no structural alterations were made -Replace any missing ties or braces 8. a. Because frame scaffolds are the most common type of supported scaffold, this course uses the Fabricated Frame Scaffold to describe requirements that are common to all supported scaffolds. b. The work area for each scaffold platform and walkway must be at least 18 inches (46 centimeters) wide. d.Add additional poles to support the scaffolding. Determine if fall protection is feasible during the erecting process. 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. As they return to the site to continue their work, the first step they should take is to: When are workers on scaffolding most vulnerable to fall hazards? 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. Counterweights shall be secured by mechanical means to the outrigger beams. Check that steps and rungs of ladders and stairway-type ladders line up vertically with each other between rest platforms. being laid. Specific requirements are described below. b.Use the scaffolding as is. After answering all the questions, click on the "Check Quiz Answers" button to grade your quiz and see your score. 1.Slips and falls \end{array} \\ Verify that, when moving platforms to the next level, the existing platform are left undisturbed until the new end frames have been set in place and braced. a. Dismantle the scaffolding. Load carrying information on components is available from the scaffold manufacturer. d. Four feet. 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. Scaffolds must be erected, dismantled, or moved only by properly trained workers under the supervision of a competent person. \text { discount; pink or silver; } \\ \text { to school } 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: Read the material in each section to find the correct answer to each quiz question. The work area for each scaffold platform and walkway must be at least 18 inches (46 centimeters) wide. has not been allowed to accumulate on the platform. 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. Contact EHS for assistance and guidance in any of the duties associated with being a Competent Person. Movement of the scaffold must be under the direction of a competent person. \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. a 1 b 2 c 3 d 4 All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. TypeofAdvertisementProductAdvertisedTargetMarketProductInformationFeaturedTelevisionBlackberryStudents-backtoschoolBlackberryPearl;$20discount;pinkorsilver;usetogete-mail,surftheWeb,andgetdirections\begin{array}{llll} Personal fall arrest systems can be used on scaffolding when there are no guardrail systems. c.4 to 1 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. b.1 inch uuid:1f2371a8-90ab-42b0-a1cd-a86bdbf5cef5 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. Workers are most vulnerable to fall hazards when climbing on or off a scaffold. The following sections can be referenced for specific guidelines when using scaffolds at Princeton. To protect against falling objects, screens must be installed between the toeboard and midrail if anyone is required to pass under the scaffolding. This scaffold is overloaded and planks are strained. the forklift is not moved horizontally while the platform is occupied. c.Anyone Be sure scaffolding stays level and plumb as erection progresses. Employers must provide access when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. OA025.pdf Scaffold planks shall extend over their end support at least six (6) inches but no more than twelve (12) inches. Horizontal members are erected in a manner that creates a usable ladder and provides good hand hold and foot space. 3.Metal 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. Tiebacks must be secured to a structurally sound anchorage on the building or structure. 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. Sills shall be level and in full contact with the supporting surface. Make sure employees do not use cross-braces as a means of access. Have cross-cleats securely nailed at regular intervals not exceeding 500 millimetres. What is the most common type of supported scaffold? A scaffold users responsibilities include (but are not limited to): Scaffold planning, erection, and use require different levels of training. Scaffolding student language requires that teachers understand their students and the language being used during lessons, to identify and support the targeted language that can be provided during instruction. endstream endobj 15 0 obj <> endobj 17 0 obj <> endobj 22 0 obj <>/Font<>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Rotate 0/Type/Page>> endobj 1 0 obj <>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Type/Page>> endobj 5 0 obj <>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Type/Page>> endobj 8 0 obj <>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Type/Page>> endobj 11 0 obj <>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Type/Page>> endobj 54 0 obj <>stream 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? b. If it can be demonstrated that a wider space is necessary, check to make sure the gap is as small as possible and does not exceed 9 1/2 inches. 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. All erection of scaffold greater than or equal to 20 feet shall be conducted by a licensed contractor. 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. \text { Advertised } Planks are stamped for scaffold approved loading and usage on one end. to prevent falls. Employers must ensure that: 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. ). Requirements for Access to Scaffolds. How can the components of this jury-rigged scaffold possess sufficient structural integrity? c. 3.5 inches 1.Make sure it was erected properly. Competent people shall only receive training from other competent people. Select all that apply and then click DONE. Should he use those planks? Check that scaffolds and scaffold components are capable of supporting, without failure, their own weight and at least 4 times their maximum intended load. Cold asphalt paving (winter) - Asphalt has minimal compressive strength, even when cold, and especially when applied. Is the change in Samsungs cash flow on total assets ratio favorable or unfavorable? d.12. What should be Jayden's next step? Ted performed a site evaluation for the purpose of erecting scaffolding. Ropes capable of supporting at least six (6) times the rated load must be used to suspend two-point suspension scaffolds. scaffold and scaffold components for visible defects. Environmental Health and Safety Counterweights used for suspended scaffolds shall be made of materials that cannot be easily dislocated. 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. d.Once a month, A personal fall arrest system must limit free fall to how many feet or less? answers again. 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. 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. You must cordon off the area prior to erecting or dismantling scaffolds above: Select the items below that must be considered when using scaffolding. Refresher training also to be provided whenever there is an indication that the individual in question, whether they be a competent person, erector, user, or qualified person, exhibits a lack of understanding of the manufacturer, local, state, and federal requirements associated with the inspection, erection, or use of scaffolds. In its simplest form, a scaffold is any temporary elevated or suspended work surface used to support workers and/or materials. Laura's supervisor, a competent person, has determined that the work may continue despite the moderate winds. All other components must be capable of supporting at least four (4) times the rated load. 4. Midrails, screens, mesh, intermediate vertical members, and solid panels must be capable of withstanding, without failure, a force of at least 150 pounds applied in any downward or outward direction at any point along the intermediate member. 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.
