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. Check to ensure safe points of anchorage, such as structural members of buildings, are being 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. 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. Poor foundation: Scaffold end frames, which have no base plate, are erected on top of scrap wood and unstable cement blocks. 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. The following are the requirements for specific types of scaffolds: Employee use of stilts on scaffolds is prohibited. a.Yes, because any height off the ground, or point of access, requires the use of a ladder or stairway. Make sure two or more vertical lifelines are not attached to each other, or to the same point of anchorage. b.6 Select the correct answer and then click DONE. Select all that apply and then click the DONE button. Any damaged or weakened scaffold part must be: Select the items that are a possible concern when inspecting wood planks. a. 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. 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. 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. d.12. \text { Market } 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. Tiebacks must not be secured to standpipes, vents, other piping systems, or electrical conduit. 1. the forklift is not moved horizontally while the platform is occupied. Do not force members to fit. c.Select an anchor point for Personal Fall Arrest Systems (PFAS). b.18 inches 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 %PDF-1.4 % Determine if fall protection is feasible during the erecting process. Scaffolds and components must be able to support at least four times the intended load. a.Competent person A list of competent persons will be maintained by the department and additional refresher type training will be provided on an as needed basis. Screw jacks with base plates shall be used to compensate for uneven ground. \text { Web, and get directions } 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. b. 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. 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. 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. Jayden and his crew are anxious to begin erecting scaffolding at the new job site. Note: A level should be used during assembly to make sure new structural components remain in line. In its simplest form, a scaffold is any temporary elevated or suspended work surface used to support workers and/or materials. 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. Employers must provide access when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. Additionally, there is no material cohesion; during a storm the material can wash away under the scaffold base plates. 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). Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. Environmental Health and Safety \text { Blackberry Pearl; } \$ 20 \\ 3. Notifying the competent person of any safety concerns associated with the erection, conditions, use, and / or maintenance of the scaffold. chubby He fell 16 feet to the ground, sustaining facial fractures and other injuries. 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. 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. All employees are prohibited from working on scaffolds covered with snow, ice, or other slippery materials. Fabricated frame scaffolds are the most common type of scaffold because they are versatile, economical, and easy to use. What is a joint underwriting association (JUA)? 6 inches d. 14 feet, What must be worn at all times while working from scaffolding? 22 inches 2.Work at a lower level than they usually do. 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? Two tiebacks installed at opposing angles are required when a perpendicular tieback cannot be installed. 13. Any damaged or weakened component of a scaffold must be repaired or replaced immediately. 9. This threshold differs from 29 . 2. Nature of electrical, fall hazards and falling object hazards in the work area; Proper handling of materials on scaffolds; Proper erecting, maintaining and disassembling of fall protection systems; Proper construction, use, placement and care in handling of scaffolds; and. Design and preplanning of the scaffold including weight limitations, scaffold type, fall protection, tie-offs, supports, etc. Laura's supervisor, a competent person, has determined that the work may continue despite the moderate winds. (b) Googles? Scaffold components manufactured by different manufacturers shall not be intermixed unless the components fit together without force and the scaffolds structural integrity is maintained. 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? The poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. 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. . 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. d.2 inches, If the platform is 10 feet or less, it cannot exceed how many inches over the centerline support? 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. c.13, 15 b.Three times 3.Maintain three points of contact while on a ladder. Providing a scaffold to the user that is free from recognizable and preventable hazards (i.e. 4. d.Hearing protection. c.Four times 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". Scaffolding is widely used during construction and renovation activities. Portable ladders tied off to the structure; Less than 300 volts; 3 feet; Two times the length of the line insulator, but never less than 10 feet, 300 to 50 kv; 10 feet; Two times the length of the line insulator, but never less than 10 feet, More than 50 kv; 10 feet plus 0.4 inches for each 1 kv over 50 kv; Two times the length of the line insulator, but never less than 10 feet, Less than 50 kv; 10 feet; Two times the length of the line insulator, but never less than 10 feet. Supported scaffolds consist of one or more platforms supported by outrigger beams, brackets, poles, legs, uprights, posts, frames, or similar rigid support. Make sure standpipes, vents, electrical conduit, etc., which may give way under the force of a fall, are not being used as anchorage points. Ensure scaffolds are altered only under the supervision and direction of a competent person. Scaffold planks shall extend over their end support at least six (6) inches but no more than twelve (12) inches. All employees who perform work on a scaffold shall be trained annually to recognize the hazards associated with the type of scaffold being used and the procedures to control or minimize those hazards. 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. a.5 5. d.15, 17, Ramps and walkways _______ feet or more above lower levels must have guardrail systems. Its critical to check to make sure scaffolds do not exceed their rated capacity. 5.Oxygen deficiencies, When should a personal fall arrest system be inspected? Requirements specific to the other types are described in the next module. An access ladder or equivalent safe access must be provided. 1.Use gravel to fill in the uneven spots. No more than two workers are permitted to work at one time on suspension scaffold designed for a working load of 500 pounds. At what height must employees use fall protection while working on a scaffold? 4. Check that scaffolds and scaffold components are capable of supporting, without failure, their own weight and at least 4 times their maximum intended load. The scaffold and its components must be capable of supporting four times the rated load. Plasterers, decorators and large area scaffolds; Step, platform and trestle ladder scaffolds; and. Select the correct answer and then click DONE. This scaffold has no guardrails and is not fully planked. c. 3.5 inches 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. Select all that apply and then click DONE. He notices that there have been several large spills of paint over them. application/pdf 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. Before erecting the scaffold, a number of factors must be accounted for. Contacting EHS if there is a concern regarding the erection of the scaffold. When erecting and dismantling tubular, welded-frame scaffolds, and end frames are used as climbing devices for access, make sure: Horizontal members are parallel, level, and not more than 22 vertical inches apart. c.24 inches \text { use to get e-mail, surf the } \\ Laura and her team are on a deadline to finish a construction project. 2. No more than three workers are permitted to work at one time on suspension scaffolds with a working load of 750 pounds. Contact EHS for assistance and guidance in any of the duties associated with being a Competent Person. For the current year, is Samsungs cash flow on total assets ratio better or worse than (a) Apples and All other components must be capable of supporting at least four (4) times the rated load. Key comparative information for Samsung, Apple, and Google follows. Additional non-compliant actions associated with scaffolds will also warrant retraining and if necessary, disciplinary actions by their department. Chicago, Illinois 60615, T: 773.702.9999 \text { Product } \\ Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. 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 some safe work practices you can follow to prevent yourself and others from being struck by falling objects while working on scaffolds? 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