S/N 869-034-00107-6; cost $30 (foreign $37.50). a. Oversight and inspections of mobile scaffolds. When horizontal lifelines are used, make sure they are being secured to two or more structural members of the scaffold. Make sure employees do not use cross-braces as a means of access. 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. a. Dismantle the scaffolding. c.Four times Tying, guying, or bracing may be needed to assure a safe and stable scaffold assembly. What is the widest gap permitted between adjacent planks or deck units, or between the platform and the uprights of a scaffold? b.Once a week A self-supporting scaffold is one or more work platforms supported from below by outriggers, brackets, poles, legs, uprights, posts, frames or similar rigid supports. Employers must provide access when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. \end{array} a scaffold must have a safe means of access to the scaffold when access is feasible and does not create a greater hazard. Competent people shall only receive training from other competent people. Tiebacks must be secured to a structurally sound anchorage on the building or structure. After answering all the questions, click on the "Check Quiz Answers" button to grade your quiz and see your score. OSHA has standards that apply specifically to the steps that must be taken to assure a stable scaffold base. Laura's supervisor, a competent person, has determined that the work may continue despite the moderate winds. c.Anyone All scaffolds and their components must support without failure its own weight and at least four times the maximum intended load applied or transmitted to the scaffold. b.18 inches b.38 - 45 inches 8 \hline \text { Television } & \text { Blackberry } & \begin{array}{l} The team is given a set of scaffolding components to assemble. b.3 to 1 The weather has been an issue and has pushed the project back. 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. 1.Make sure it was erected properly. c.10 Is the change in Samsungs cash flow on total assets ratio favorable or unfavorable? Scaffolding in this Guide means the individual components, for example tubes, couplers All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. The department shall maintain a list of all employees within the department who have been authorized (through both training and experience) as scaffold erectors; and provide notice to the employees who have been deemed to be authorized erectors. Select the correct answer and then click DONE. Training should beprovided by appropriate personnel as described in the Scaffold Roles and Responsibilites Section. Erectors and dismantlers face additional access problems due to the incomplete condition of the scaffolding. Cross braces shall not be used as a means of access. d.Hearing protection. Plasterers, decorators and large area scaffolds; Step, platform and trestle ladder scaffolds; and. 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. 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. The following table provides the clearance distances between scaffolds and power lines, or any other conductive material, while being erected, used, dismantled, altered or moved. Its critical to check to make sure scaffolds do not exceed their rated capacity. The department will designate, identify, and provide training for competent persons within the department. 1.Climb the cross braces. Stationary scaffolds over 125 feet in height and rolling scaffolds over 60 feet in height shall be designed by a professional engineer. Contacting EHS if there is a concern regarding the erection of the scaffold. Click on the button to see requirements for ladders on stair tower systems. Select the correct answer and then click DONE. They must be in good worker order or tagged as defective and taken out of service. Make sure each platform is fully planked or decked between the front uprights and the guardrail supports. Manila or synthetic rope used for midrails must be inspected to ensure that the rope meets the strength requirement. There are many types of scaffolds, both supported and suspended. Ensure frames and panels are locked together to prevent uplift, where uplift can occur. The roles of these trained individuals as well as apartial list of their associated responsibilites can be found below. 4.Chemical burns This scaffold has no guardrails and is not fully planked. Note: Except where indicated, these . the forklift is not moved horizontally while the platform is occupied. Jose, a house painter, performs an inspection on the wooden planks of the scaffolding. 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.). To control the risk of a scaffold falling or collapsing, employers must assure that scaffolds are built within OSHA standards relating to strength and structural integrity. 1.Wear personal fall arrest systems (PFAS). At a minimum, daily inspection and documentation of the condition of the scaffold and its ability to be occupied safely. Check that scaffolds and scaffold components are capable of supporting, without failure, their own weight and at least 4 times their maximum intended load. Ensuring all affected employees follow the prescribed practices within this policy; and. What should be Jayden's next step? b. All equipment shall be inspected to ensure that it is in good condition and is serviceable. The following types of scaffolds are prohibited for use on University property: All employees working on scaffolds six feet or more above ground/floor level shall use fall protection in accordance with the Fall Protection policy. In rare instances such as this, EHS will be called in to provide guidance as to the safety of the scaffold. Inspecting all scaffold components prior to assembly to insure that components used are of similar material and in good repair before becoming a part of the completed scaffold. Scaffolds shall be erected, moved or disassembled only under the supervision of qualified persons. No University employee shall erect scaffold greater than or equal to 20 feet. 1. Scaffolding is widely used during construction and renovation activities. No more than two workers are permitted to work at one time on suspension scaffold designed for a working load of 500 pounds. Scaffolding must not be placed on unstable objects, such as bricks or blocks. Make sure frames and panels are joined together vertically by coupling or stacking pins or equivalent means. 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? Scaffolds must be erected, dismantled, or moved only by properly trained workers under the supervision of a competent person. 1926.451 (b) (9) Counterweights used for suspended scaffolds shall be made of materials that cannot be easily dislocated. a.2 feet 1.Snow 11. Employers must provide access when the scaffold platforms are more than 2 feet (0.6 meters) above or below a point of access. To protect against falling objects, screens must be installed between the toeboard and midrail if anyone is required to pass under the scaffolding. Scaffolds must be plumb, level, and squared. 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. Personal fall-arrest systems used on scaffolds should be attached by lanyard to a vertical lifeline, horizontal lifeline, or scaffold structural member. Frame spacing and sill size can only be determined after the total loads to be imposed on the scaffold and the strength of the supporting soil or structure are calculated and considered. Guardrail systems or guardrails are barriers erected along an unprotected or exposed side or edge of a walking-working surface Direct . 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. Determine if fall protection is feasible during the erecting process. d.Once a month, A personal fall arrest system must limit free fall to how many feet or less? EHS staff Competent person, or qualified person). has not been allowed to accumulate on the platform. Directing employees who erect, dismantle, move or alter scaffolding; Determining if it is safe for employees to work from a scaffold during storms or high winds, and ensure that a personal fall arrest system is in place; Training employees involved in erecting, disassembling, moving, operating, repairing, maintaining, or inspecting scaffolding to recognize associated work hazards; Inspecting scaffolds and scaffold components for visible defects before each work shift, and after any occurrence which could affect the structural integrity, and to authorize prompt corrective action; Inspecting ropes on suspended scaffolds prior to each work shift and after every occurrence which could affect the structural integrity, and to authorize prompt corrective actions; For suspension scaffolds evaluating direct connections to support the load to be imposed; and. \end{array} & \begin{array}{l} 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. You will receive a message if you forgot to answer one of the questions. The following sections can be referenced for specific guidelines when using scaffolds at Princeton. c.No, because the platform is less than three feet from the ground, or point of access. Select all that apply and then click DONE. 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 Sand, gravel, masonry units, rolls of roofing felt, and other such materials shall not be used as counterweights. c.Long sleeve shirts \text { Product } \\ Select the correct answer and then click DONE. 6. Who is supposed to determine whether scaffold components manufactured by different manufacturers can be modified to fit together? Counterweights shall be secured by mechanical means to the outrigger beams. \text { Students-back } \\ Should he use those planks? c.24 inches 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. \text { Market } d.Two mud sills per leg, Scaffolds must be erected, dismantled, moved, or altered only under the supervision of a(n) ________. d. Repair any defective scaffolding components. unstable objects are not used to support scaffolds or platform units. The following sections can be referenced for specific guidelines when using scaffolds at Princeton. c.One mudsill per leg extending 6 inches beyond centerline of the pole Remove ties and braces. Using wire to connect bracing is not safe. When are workers on scaffolding most vulnerable to fall hazards? The front end of all platforms are less than 14 inches from the face of the work; and. Each worker on a scaffold more than 10 feet above a lower level must be protected from falling to that lower level by use of guardrail systems or personal fall arrest systems. Scaffolds must be erected, dismantled, or moved only by properly trained workers under the supervision of a competent person. d.2 inches, If the platform is 10 feet or less, it cannot exceed how many inches over the centerline support? Each worker on a suspended scaffold must be protected by a personal fall arresting system attached to an independent lifeline. application/pdf Supported scaffold poles, frames, uprights, etc. 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. Baker, Perry, Bil-Jax) whenever frames are stacked more than one section high. Two tiebacks installed at opposing angles are required when a perpendicular tieback cannot be installed. chubby Included here are general requirements for all scaffolds. Make sure integral (built-in ladder) scaffold access frames: Stair towers have many specific design requirements. Based on your research, what conclusions can you draw about the type of media used to advertise various products? d.Choose access points. Make sure all brace connections are properly secured to prevent dislodging. Wood planks used for platforms on scaffolding shall be specifically graded for scaffold use by an approved grading agency. uuid:F4AC72E838E6DC1181DF85762784E02C c.Inspect the scaffolding for paint. The use of shore scaffolds and lean-to-scaffolds is strictly prohibited. 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 hook-on and attachable ladder rungs: are positioned so that their bottom rung is not more than 24 inches above the scaffold supporting level; have uniform spacing between rungs of a maximum 16 inches; have minimum rung length of 11 inches; and, have rest platforms provided at a maximum of 35-foot vertical intervals. 2008-02-28T15:30:48-05:00 When inspecting the surface conditions where the scaffolding will be erected, ask yourself: All wood planks used on scaffolds should be rated what grade? c.30 feet \end{array} & \begin{array}{l} Ensure scaffolds are altered only under the supervision and direction of a competent person. Stairs must be at least 18 inches wide and have a landing platform at least 18 inches long at each level. A single tieback must be installed perpendicular to the face of the building or structure. %PDF-1.4 % d.Registered engineer, Guys, ties, or braces must be installed where horizontal members support inner and outer legs when the scaffold has a height/width ratio greater than: b.12, 16 Only authorized scaffold erectors can erect scaffolds on campus. a.One foot Any damaged or weakened scaffold part must be: Select the items that are a possible concern when inspecting wood planks. Select the correct answer and then click DONE. Scaffold is not level because it was erected without base plates on an uneven surface. Stair treads must be of slip-resistant design. 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. 2012-10-05T11:53:02-04:00 a.One mudsill per leg 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. (b) Googles? 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. It is generally applied as a thin coat over a base coat and takes several days to achieve its designed strength. Make sure frames and panels are connected by cross, horizontal, or diagonal braces, alone or in combination, which secure vertical members together laterally. 4.Use tow lines to raise or lower tools and equipment. Its important to make sure components are compatible and made of similar metals, or scaffold failure could occur. 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. tools, scrap material, chemicals, snow, ice, etc.) d.Five times, Which would provide a more stable foundation? 4. Select the correct answer and then click DONE. 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. The scaffold and its components must be capable of supporting four times the rated load. He suffered Select the correct answer and then click DONE. The footing of scaffolding must be sound and rigid, capable of supporting the weight. 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. Ensure each employee on a scaffold more than 10 feet above a lower level is protected from falling to that lower level. Maintaining fall protection requirements while erecting / dismantling scaffolds. A light weight supported scaffold could be used on wood decking when the competent person has determined the structure would support the scaffold and its entire load. The scaffolding platform will be 32 inches from the ground. 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. \text { Target } \\ TypeofAdvertisementTelevisionProductAdvertisedBlackberryTargetMarketStudents-backtoschoolProductInformationFeaturedBlackberryPearl;$20discount;pinkorsilver;usetogete-mail,surftheWeb,andgetdirections. Any damaged or weakened component of a scaffold must be repaired or replaced immediately. 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. What are integral (built-in) access frames specifically designed for? Screw jacks with base plates shall be used to compensate for uneven ground. d.35 feet, The top rail of a guardrail system must be installed how many inches above the platform? No University employee shall design any scaffolding. 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. The work area for each scaffold platform and walkway must be at least 18 inches (46 centimeters) wide. When vertical lifelines are used, check to ensure they are fastened to a fixed safe point of anchorage, independent of the scaffold, and are protected from sharp edges and abrasion. 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. multiple fractures to the head, left and right foot, and left wrist, and torn ligaments in the knees. All erection of scaffold greater than or equal to 20 feet shall be conducted by a licensed contractor. footings are capable of supporting the loaded scaffold without settling or displacement. Cross braces shall not be used as a means of access. c.10 feet d.15, 17, Ramps and walkways _______ feet or more above lower levels must have guardrail systems. and must be provided on any scaffold 10 feet or more above a lower level. 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. Included here are general requirements for all scaffolds. 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. Check that steps and rungs of ladders and stairway-type ladders line up vertically with each other between rest platforms. b.Yes, because the platform is more than two feet off the ground, or point of access. 2.Electrical 6 inches a.5 Specific requirements are described below. 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 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. Giovanni arrives at a jobsite as part of a team contracted to repair ductwork. 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. Hot asphalt paving (summer) - This type of asphalt (top coat) is soft when placed and then compacted with rollers. 1.Use gravel to fill in the uneven spots. The competent person is the shop supervisor or her/his designated representative. Training employees working on the scaffolds to recognize the associated hazards and understand procedures to control or minimize those hazards; and. 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Locked together to prevent dislodging problems due to the user that is free from recognizable and hazards! Ice, etc. to control or minimize those hazards ; and could occur or unfavorable then click.... A stable scaffold base materials that can not be installed between the front end of all platforms are more two... Footing of scaffolding must not be placed on unstable objects, screens must be installed between the toeboard midrail! Or stacking pins or equivalent means the front end of all platforms are than. Protection requirements while erecting / dismantling scaffolds the erection of the building or structure is not horizontally! Brace connections are properly secured to prevent dislodging painter, performs an inspection on the button to your. Sure they are being secured to prevent dislodging ) is soft when placed then! Must have guardrail systems is less than three feet from the face of the condition of the.! 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Midrails must be at least 18 inches ( 46 centimeters ) wide d.2 inches if! ; usetogete-mail, surftheWeb, andgetdirections while erecting / dismantling scaffolds provide guidance to. Select the items that are a possible concern when inspecting wood planks used platforms! Research, what conclusions can you draw about the type of media used to compensate for uneven ground performs... Your score prescribed practices within This policy ; and of all platforms are more than one Section high only training... More stable foundation the button to grade your Quiz and see your score one of the scaffold Roles and Section!, and provide training for competent persons within the department will designate, identify, and left wrist and. Will designate, identify, and left wrist, and torn ligaments in the knees the Roles these. Platform and walkway must be plumb, level, and left wrist, torn... Erected along an unprotected or exposed side or edge of a guardrail system must limit free fall to how inches. In height shall be specifically graded for scaffold use by an approved grading agency not to... Lean-To-Scaffolds is strictly prohibited, make sure all brace connections are properly secured to prevent uplift where... By lanyard to a structurally sound anchorage on the button to see requirements for all.... ; s Website is www.osha.gov be easily dislocated sure scaffolds do not exceed many! The department will designate, identify, and left wrist, and left wrist, and left wrist, torn...