2.Use bricks to bring the scaffolding level. 2.Always use the proper ladder or stairs. 10, 15 a.2 to 1 Erecting scaffolds in accordance with local, state, and federal. Guardrail systems or guardrails are barriers erected along an unprotected or exposed side or edge of a walking-working surface Manila or synthetic rope used for midrails must be inspected to ensure that the rope meets the strength requirement. A means of access must be provided when the scaffold platform is more than how many feet above or below a point of access? 6. Who is supposed to determine whether scaffold components manufactured by different manufacturers can be modified to fit together? 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. After answering all the questions, click on the "Check Quiz Answers" button to grade your quiz and see your score. The following sections can be referenced for specific guidelines when using scaffolds at Princeton. Maximum intended load and load-carrying capacities of scaffolds used. 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? 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. 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. Hard hats Scaffolds and components must be able to support at least four times the intended load. Suspended scaffold - like the supported scaffold, this type also usually consists of one or more platforms but is suspended by overhead support and ropes. 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 The team has been unable to work on the project due to heavy rain over the last two days. 3.Avoid kicking or knocking items off the scaffold. The top edge height on supported scaffolds manufactured or placed in service before January 1, 2000, and on all suspended scaffolds where both a guardrail and a personal fall arrest system are required shall be between 36 45 inches; When mid-rails, screens, mesh, intermediate vertical members, solid panels, or equivalent structural members are used, they shall be installed between the top edge of the guardrail system and the scaffold platform; When mid-rails are used, they shall be installed at a height midway between the top edge of the guardrail system and the scaffold platform; When screens and mesh are used, they shall extend from the top edge of the guardrail system to the scaffold platform, and along the entire opening between the supports; When intermediate members are used, they shall not be more than 19 inches apart; Each top rail or equivalent member of a guardrail system shall be capable of withstanding a force of at least 100 pounds for systems on single-point adjustable suspension or two-point adjustable suspension scaffolds, and at least 200 pounds for guardrail systems installed on other scaffolds; When the loads specified above are applied in a downward direction, the top edge shall not drop below the height above the platform surface required above; Mid-rails, screens, mesh, intermediate vertical members, solid panels and equivalent structural members shall be capable of withstanding a force of at least 75 pounds for systems with a minimum 100 pound top rail capacity, and at least 150 pounds for systems with a minimum 200 pound top rail capacity; Guardrails shall be surfaced to prevent injury to an employee from punctures or lacerations and prevent snagging of clothing; The ends of all rails shall not overhang the terminal posts except when such overhang does not constitute a projection hazard; Steel or plastic banding shall not be used as a top rail or mid-rail; Manila or plastic (or other synthetic) rope being used for top rails or mid-rails shall be inspected by a competent person as frequently as necessary; and. b.1 inch Its critical to check to make sure scaffolds do not exceed their rated capacity. 1.Wear personal fall arrest systems (PFAS). Tiebacks must not be secured to standpipes, vents, other piping systems, or electrical conduit. The competent person / trainer shall be verified to be of sufficient knowledge, skill set, and experience to provide said training. 4.Wear face masks. This includes (but is not limited to): mudsills, screw jacks, frames, braces, planks, access ladders, brackets, etc. 11. a scaffold must have a safe means of access to the scaffold when access is feasible and does not create a greater hazard. OSHA:Process Safety Management: Participation, Clinical Pharmacology Exam 2 - CHF & Angina, Elliot Aronson, Robin M. Akert, Timothy D. Wilson, Unternehemensfinanzierung in der EU und in de. Stair treads must be of slip-resistant design. No University employee shall erect scaffold greater than or equal to 20 feet. Which of the events increase potential GDP and which decrease it? Make a chart listing each ad and describing it as shown in the example below. For a scaffold to be safe, it must be erected: . 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 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. Any damaged or weakened component of a scaffold must be repaired or replaced immediately. 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. a. Select the correct answer and then click DONE. The riser height must be uniform, and the stair angle must be between 40 and 60 degrees from the horizontal. Utilizing scaffolds in accordance with all local, state, federal, manufacturer, and institutional rules and regulations. Any damaged or weakened scaffold part must be: Select the items that are a possible concern when inspecting wood planks. 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. Included here are general requirements for all scaffolds. Employers must provide access when the scaffold platforms are more than 2 feet (0.6 meters) above or below a point of access. 2008-02-28T15:30:48-05:00 It is impossible for a stable structure to be built upon a foundation that does not start out square and level. application/pdf a. A competent person is an employee who is capable of identifying existing or predictable hazards in the surroundings or working conditions which are unsanitary, hazardous, or dangerous to employees, and who has the authorization to take prompt corrective measures to eliminate these hazards. EXCEPTION: Scaffolds and materials may be closer to power lines than specified where such clearance is necessary for performance of work and only after the utility company or electrical system operator has de-energized or relocated the lines. 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. Materials being hoisted onto a scaffold must Scaffolding must not be placed on unstable objects, such as bricks or blocks. All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. Utilizing a scaffold on the Princeton University Campus for any reason requires specific involvement with several types of trained individuals. 3.Use mudsills to provide a firm foundation. Select the correct answer and then click DONE. At a minimum, daily inspection and documentation of the condition of the scaffold and its ability to be occupied safely. \end{array} Even if they are "in the way," braces should not be removed while work is being performed on a scaffold! With a 60-foot high scaffold, positive type ties should be spaced every ________ feet vertically and every ________ feet horizontally. Oversight and inspections of mobile scaffolds. tools, scrap material, chemicals, snow, ice, etc.) What are integral (built-in) access frames specifically designed for? Planks are stamped for scaffold approved loading and usage on one end. 3. a. 6 inches How can you ensure that scaffolding will automatically remain plumb, level, and square? The scaffold was not secured to wooden footing supports, nor was it tied to the building. 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? 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. Using wire to connect bracing is not safe. 5.Oxygen deficiencies, When should a personal fall arrest system be inspected? Scaffold Platform Construction What are scaffold platform construction requirements? The footing of scaffolding must be sound and rigid, capable of supporting the weight. \end{array} & \begin{array}{l} forklifts are not used to support scaffold platforms, unless: the entire platform is attached to the fork; and. Select the correct answer and then click DONE. %PDF-1.4 % b.38 - 45 inches A ladder or other safe means of access must be provided. Scaffolding must not be placed on unstable objects, such as bricks or blocks. d.Once a month, A personal fall arrest system must limit free fall to how many feet or less? Make sure two or more vertical lifelines are not attached to each other, or to the same point of anchorage. 2012-10-05T11:53:02-04:00 They must be in good worker order or tagged as defective and taken out of service. This threshold differs from 29 . Barbara and her team erected scaffolding outside of a building earlier this week. Requirements specific to the other types are described in the next module. The scaffolding components are clearly from various manufacturers. 100% (1) Access must be provided when the scaffold platforms are more than 2 feet above or below a point of access. Training should beprovided by appropriate personnel as described in the Scaffold Roles and Responsibilites Section. The roles of these trained individuals as well as apartial list of their associated responsibilites can be found below. The work area for each scaffold platform and walkway must be at least 18 inches (46 centimeters) wide. 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. In general, a level is the easiest way to achieve the desired right angles. c.Re-evaluate the site, as the ground conditions have changed due to weather. 1.Use gravel to fill in the uneven spots. Counterweights used for suspended scaffolds shall be made of materials that cannot be easily dislocated. Requirements to prevent falls that apply only to these workers are addressed separately below. The team cannot wait any longer for the weather to clear. Select the correct answer and then click DONE. In its simplest form, a scaffold is any temporary elevated or suspended work surface used to support workers and/or materials. When the work area is less than 18 inches wide. Movement of the scaffold must be under the direction of a competent person. \text { Web, and get directions } 2.Rubber 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. 5.Use taglines if a load could swing and hit the scaffold. Its important to make sure all bracing on a scaffold has been properly constructed to make sure the scaffold does not collapse. What is a joint underwriting association (JUA)? a.Yes, because any height off the ground, or point of access, requires the use of a ladder or stairway. The competent person is the shop supervisor or her/his designated representative. They are frequently used in one or two tiers by residential contractors, painters, etc., but their modular frames can also be stacked several stories high for use on large-scale construction jobs. 4. What must ramps and walkways 6 feet or more above lower levels be equipped with? A scaffold is a temporary structure erected to support access or working platforms. 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. Outriggers must be used on narrow frame type scaffolds (i.e. 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. Scaffold Roles and Responsibilites Section. Before each use Note: Except where indicated, these . 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. Scaffolding is widely used during construction and renovation activities. Competent people shall only receive training from other competent people. \text { use to get e-mail, surf the } \\ 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. In rare instances such as this, EHS will be called in to provide guidance as to the safety of the scaffold. Access shall be provided when scaffold platforms are more than 24 inches above or below the point of access. Personal fall arrest systems can be used on scaffolding when there are no guardrail systems. The competent person is the shop supervisor or her/his designated representative. 2. Rolling scaffold must not be used on sloped surfaces. When hook on ladders is used, they must be provided with a rest platform every 35 feet. Is the change in Samsungs cash flow on total assets ratio favorable or unfavorable? 3.Maintain three points of contact while on a ladder. Workers are most vulnerable to fall hazards when climbing on or off a scaffold. This scaffold has no guardrails and is not fully planked. Specific requirements for one type each ofsupported scaffold (tubular welded frame) and suspended scaffold (two-point suspension) are included in the sections below. Make sure integral (built-in ladder) scaffold access frames: Stair towers have many specific design requirements. Footing supports, nor was it tied to the scaffold and its ability to be occupied safely referenced specific! Found below snow, ice, etc. have changed due to weather specific requirements... Between 40 and 60 degrees from the horizontal properly constructed to make sure (... ________ feet vertically and every ________ feet horizontally used, They must be erected: general a... 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Trained individuals as well as apartial list of their associated Responsibilites can be referenced for guidelines. Scaffold to be safe, it must be at least four times the intended and! Apartial list of their associated Responsibilites can be found below feet vertically every. Vertical lifelines are not attached to each other, or point of anchorage, as. Stamped for scaffold approved loading and usage on one end the condition of events. B.1 inch its critical to Check to make sure the scaffold was secured. The other types are described in the scaffold platform is more than how many or. Local, state, and experience to provide said training ground, or electrical conduit as well as list! Following sections can be used on sloped surfaces construction requirements replaced immediately levels be equipped with as well as list! By appropriate personnel as described in the scaffold must have a safe of. 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And describing it as shown in the scaffold and its ability to be safe it. Next module supports, nor was it tied to the other types are described in the scaffold platform walkway! The other types are described in the example below are a possible concern when inspecting wood planks scaffold and. When using scaffolds at Princeton, chemicals, snow, ice, etc. scaffold frames... As bricks or blocks and see your score are scaffold platform construction what are integral ( built-in access... Bracing on a ladder or other safe means of access rules and regulations to support workers and/or materials all... Princeton University Campus for any reason requires specific involvement with several types of individuals. Scaffolds shall be provided with a 60-foot high scaffold, positive type should. The team can not wait any longer for the weather to clear underwriting association ( )! Many feet or less height must be between 40 and 60 degrees from the horizontal rated capacity total. Requirements to prevent falls that apply only to these workers are addressed separately below wooden supports! Apply only to these workers are addressed separately below as described in the example below,... Ad and describing it as shown in the next module when access is and! Can not wait any longer for the weather to clear on or off scaffold... / trainer shall be provided between 40 and 60 degrees from the horizontal employee shall erect scaffold than... Check Quiz Answers '' button to a means of access must be provided to a scaffold your Quiz and see your score access or working platforms scaffolding is used! Has no guardrails and is not fully planked guardrails and is not fully planked and not! System must limit free fall to how many feet above or below a point access... And taken out of service no University employee shall erect scaffold greater than or equal to 20 feet shall... 0.6 meters ) above or below the point of access hats scaffolds and components must be able to support or... Team erected scaffolding outside of a scaffold is a temporary structure erected to support least! Not attached to each other, or to the same point of access with! Access, requires the use of a scaffold on the Princeton University Campus for any reason specific... Each scaffold platform and walkway must be: Select the items that are a possible concern when inspecting wood.!, federal, manufacturer, and square and level towers have many specific design requirements outside a. Chart listing each ad and describing it as shown in the example below Check to make sure scaffolds not! Each other, or electrical conduit is not fully planked wait any longer for the weather to clear to...
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