Make sure all brace connections are properly secured to prevent dislodging. 7. This must be done prior to initial use of the scaffold each shift. 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. The ground where he needs to place the footing is dry but uneven in spots. Wood decking - This may lend itself for use as a foundation. Sills shall be level and in full contact with the supporting surface. Make sure the planks are not allowed. Be sure employees are able to safely access any level of a scaffold that is 2 feet above or below an access point. 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. Ensure each employee on a scaffold more than 10 feet above a lower level is protected from falling to that lower level. 4 feet Before erecting the scaffold, a number of factors must be accounted for. 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. Crossbraces must not be used as a means of access. Contacting and coordinating with the Competent Person regarding any issues associated with the erection of a scaffold. For erectors and dismantlers, determining the feasibility and safety of providing fall protection and access. This includes (but is not limited to): mudsills, screw jacks, frames, braces, planks, access ladders, brackets, etc. Determine if fall protection is feasible during the erecting process. Screw jacks with base plates shall be used to compensate for uneven ground. Scaffolds must be erected, dismantled, or moved only by properly trained workers under the supervision of a competent person. b. b.Dismantle the scaffolding. to prevent falls. 22 inches The victim was climbing the end-frame of a three-tiered metal scaffold when a midrail pulled loose. c.24 inches Select all that apply and then click DONE. Acrobat Distiller 7.0.5 (Windows) All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. 3.Avoid kicking or knocking items off the scaffold. EHS staff Competent person, or qualified person). 5. 4. Cross braces shall not be used as a means of access. Employee is Pulled off Scaffold, Suffers Injuries-Guardrails May Have Saved Him. must be plumb (exactly vertical) and braced to prevent swaying and displacement. Select the correct answer and then click DONE. Contact EHS for assistance and guidance in any of the duties associated with being a Competent Person. 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. Any damaged or weakened component of a scaffold must be repaired or replaced immediately. 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. The riser height must be uniform, and the stair angle must be between 40 and 60 degrees from the horizontal. 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. Persons selected to be competent persons at Princeton should receive professional Scaffold Competent person training either from an internal (Office of Environmental Health and Safety, EHS) or external competent person (i.e. %PDF-1.4 % All scaffolds more than six feet above the lower level shall protect employees with guardrails on each open side of the scaffold. Before erecting a scaffold, the first step is to: that apply to the following statement and then click DONE. c.After it has been used 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. Make sure no gaps greater than 1 inch are permitted between adjacent planks or deck units, or between the platform and the uprights. 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. \text { Product Information } \\ Its critical to check to make sure scaffolds do not exceed their rated capacity. The poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. Select all that apply and then click DONE. The footing of scaffolding must be sound and rigid, capable of supporting the weight. The department will designate, identify, and provide training for competent persons within the department. Suspended scaffold - like the supported scaffold, this type also usually consists of one or more platforms but is suspended by overhead support and ropes. Inspections of scaffolds after changes / alterations have been made. 3.Metal a. TypeofAdvertisementProductAdvertisedTargetMarketProductInformationFeaturedTelevisionBlackberryStudents-backtoschoolBlackberryPearl;$20discount;pinkorsilver;usetogete-mail,surftheWeb,andgetdirections\begin{array}{llll} OSHA has standards that apply specifically to the steps that must be taken to assure a stable scaffold base. In the event of an emergency, please call 123 from any campus phone or 773.702.8181, Please direct coronavirus (COVID-19) questions [email protected]. 1.Make sure it was erected properly. The team is given a set of scaffolding components to assemble. 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. PScript5.dll Version 5.2.2 answers again. Guardrails shall be installed along the open sides and ends before releasing the scaffold for use by the employees, other than erection or dismantling crews. Laura and her team are on a deadline to finish a construction project. 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. b.Two feet Select the correct answer and then click DONE. b.Once a week Employers must provide access when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. 4.Chemical burns Jayden and his crew are anxious to begin erecting scaffolding at the new job site. or strike the scaffold with tools, materials, etc. Scaffold planks shall extend over their end support at least six (6) inches but no more than twelve (12) inches. 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. 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. Manila or synthetic rope used for midrails must be inspected to ensure that the rope meets the strength requirement. The platform gaps are too wide. Scaffolds and components must be able to support at least four times the intended load. A ladder or other safe means of access must be provided. Compacted Soils & Then Frozen - Compacted soils, as with all soils, swell and heave due to moisture content or water contained within the soil. What are supported scaffold foundations set on to ensure stability? Select the correct answer and then click DONE. \text { Target } \\ The following are the requirements for specific types of scaffolds: Employee use of stilts on scaffolds is prohibited. b. c.4 to 1 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. 21 0 obj <><><>]/ON[37 0 R]/Order[]/RBGroups[]>>/OCGs[37 0 R]>>/PageLabels 15 0 R/Pages 17 0 R/Type/Catalog>> endobj 36 0 obj <>/Font<>>>/Fields 41 0 R>> endobj 18 0 obj <>stream 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? In its simplest form, a scaffold is any temporary elevated or suspended work surface used to support workers and/or materials. Damaged or deteriorated equipment shall not be used. In such cases, verify that the platforms are as wide as feasible, and fall protection is provided. All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. A mobile ladder stand may also have handrails and is designed for use by one employee at a time. c.10 a.15 feet 3.Use mudsills to provide a firm foundation. There were no guardrails at the working level. Scaffolds shall be erected, moved or disassembled only under the supervision of qualified persons. 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. b.8 feet To protect against falling objects, screens must be installed between the toeboard and midrail if anyone is required to pass under the scaffolding. Make sure frames and panels are connected by cross, horizontal, or diagonal braces, alone or in combination, which secure vertical members together laterally. 6 inches 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. Make sure portable, hook-on, and attachable ladders are positioned so as not to tip the scaffold. Scaffold collapse The proper erection of a scaffold is essential in preventing this particular hazard. chubby 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. While inspecting during scaffold erection and dismantling, make sure safe access for employees erecting or dismantling supported scaffolds is provided where it is feasible, and where it does not create a greater hazard. c.20 inches b.1 inch HV[o6~8%9N(Km -QTI*CJe'{tC^nAieAi?Ypqvi;y5P( s!u 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. Direct . Additional non-compliant actions associated with scaffolds will also warrant retraining and if necessary, disciplinary actions by their department. Check that steps and rungs of ladders and stairway-type ladders line up vertically with each other between rest platforms. Scaffolds are never as safe as the foundations they are built on. 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? What are integral (built-in) access frames specifically designed for? 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. 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. Make sure standpipes, vents, electrical conduit, etc., which may give way under the force of a fall, are not being used as anchorage points. 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