Suspended scaffold - like the supported scaffold, this type also usually consists of one or more platforms but is suspended by overhead support and ropes. When the work area is less than 18 inches wide. ). 5. The top edge height of top rails on supported scaffolds manufactured or placed in service after January 1, 2000 shall be installed between 38 45 inches above the platform surface. Requirements to prevent falls that apply only to these workers are addressed separately below. a.1.5 inches Jose, a house painter, performs an inspection on the wooden planks of the scaffolding. Baker, Perry, Bil-Jax) whenever frames are stacked more than one section high. d.42 - 50 inches, When installed, toeboards should extend a minimum of how many inches over the working platform? Outriggers must be used on narrow frame type scaffolds (i.e. The team has been unable to work on the project due to heavy rain over the last two days. All scaffolding shall be plumb and level. Select all that apply and then click DONE. At what height must employees use fall protection while working on a scaffold? The use of repaired wire rope is prohibited. What do you need to do with a ladder that is defective? Select the correct answer and then click DONE. The team cannot wait any longer for the weather to clear. \text { Target } \\ The team is given a set of scaffolding components to assemble. There were no guardrails at the working level. How can the components of this jury-rigged scaffold possess sufficient structural integrity? The most frequent fall-from-elevation accident is a fall off ladders. 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). 2012-10-05T11:53:02-04:00 \end{array} Specific requirements are described below. \hline \text { Television } & \text { Blackberry } & \begin{array}{l} 6. Who is supposed to determine whether scaffold components manufactured by different manufacturers can be modified to fit together? c.1 1/2 inches 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: Select the correct answer and then click DONE. This includes (but is not limited to): mudsills, screw jacks, frames, braces, planks, access ladders, brackets, etc. To protect against falling objects, screens must be installed between the toeboard and midrail if anyone is required to pass under the scaffolding. The riser height must be uniform, and the stair angle must be between 40 and 60 degrees from the horizontal. 1926.451 (b) (9) 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. TypeofAdvertisementProductAdvertisedTargetMarketProductInformationFeaturedTelevisionBlackberryStudents-backtoschoolBlackberryPearl;$20discount;pinkorsilver;usetogete-mail,surftheWeb,andgetdirections\begin{array}{llll} 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. . OSHA has standards that apply specifically to the steps that must be taken to assure a stable scaffold base. A qualified person must do this analysis. Select the correct answer and then click DONE. 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 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. It is impossible for a stable scaffold structure to be built unless _____. Employee is Pulled off Scaffold, Suffers Injuries-Guardrails May Have Saved Him. b.Use the scaffolding as is. b.3 to 1 chubby 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. Manila or synthetic rope used for midrails must be inspected to ensure that the rope meets the strength requirement. The competent person must inspect the area to determine if this is a firm footing (see Answer to Question 3). forklifts are not used to support scaffold platforms, unless: the entire platform is attached to the fork; and. 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. All employees are prohibited from working on scaffolds covered with snow, ice, or other slippery materials. Oversight and inspections of mobile scaffolds. a 1 b 2 c 3 d 4 c.Inspect the scaffolding for paint. 1926.451(e . d. 8 feet, Except to remove such material, employees must not work on scaffolds covered in: fall protection systems in place, falling object prevention in place, appropriate access / egress to and from the scaffold, appropriate anchorage and stability of the structure, appropriate walking / working surfaces, maintaining appropriate clearances from electrical hazards, etc.). Independent lifelines should be protected from abrasion and wear. Scaffold planks shall extend over their end support at least six (6) inches but no more than twelve (12) inches. b.18 inches b.Dismantle the scaffolding. 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. Compute the recent two years cash flow on total assets ratio for Samsung. Scaffolding is widely used during construction and renovation activities. Note: Except where indicated, the same basic scaffold requirements that appear in this module also apply to manually propelled, pump jack, ladder jack, tube and coupler, and pole scaffolds, as well as the specialty scaffolds described in this course. 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. d.Five times, Which would provide a more stable foundation? 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. \text { to school } When employees are plastering and lathing 18 inches or less from the front edge. Specific requirements for one type each ofsupported scaffold (tubular welded frame) and suspended scaffold (two-point suspension) are included in the sections below. c. 3.5 inches multiple fractures to the head, left and right foot, and left wrist, and torn ligaments in the knees. 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. 10. 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. OSHA defines a mobile ladder stand platform as a mobile, fixed-height, self-supporting unit having one or more standing platforms that are provided with means of access or egress. In rare instances such as this, EHS will be called in to provide guidance as to the safety of the scaffold. 1926.451(e)(1) . What should be Jayden's next step? Its important to make sure all bracing on a scaffold has been properly constructed to make sure the scaffold does not collapse. Cross braces shall not be used as a means of access. 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. Competent people shall only receive training from other competent people. 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. Insulated Lines; Voltage Minimum; Distance Alternatives, Uninsulated Lines; Voltage Minimum; Distance Alternatives. 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 Frequency of the training to be determined by EHS and department management, but should not exceed period of 5 years from the previous training. Check that direct access to or from another surface is permitted only when the scaffold is not more than 14 inches horizontally and not more than 24 inches vertically from the other surface. 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. 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. being laid. Two feet What should you do before dismantling a scaffold? a. 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. b.Once a week Designing platforms on two-point adjustable suspension types that are less than 36 inches wide to prevent instability; Making swaged attachments and spliced eyes on wire suspension ropes; and. c.Long sleeve shirts Select the correct answer and then click DONE. 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. 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. 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. Select the correct answer and then click DONE. EHS staff Competent person, or qualified person). \end{array} & \begin{array}{l} 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. The end points at each upright shall be no more than 48 inches. By itself it is not normally a useable foundation material. Sand, gravel, masonry units, rolls of roofing felt, and other such materials shall not be used as counterweights. Supported scaffold poles, frames, uprights, etc. 3. Fall Protection.
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\79bj!1}dpB~9V&co7Sj. The number one scaffold hazard is worker falls. 5.Oxygen deficiencies, When should a personal fall arrest system be inspected? After clicking the button, the questions you missed will be listed below. \text { Blackberry Pearl; } \$ 20 \\ 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. 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. Load carrying information on components is available from the scaffold manufacturer. 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