A single tieback must be installed perpendicular to the face of the building or structure. (b) Googles? Employers must provide access when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. application/pdf b.Incompetent person 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. Both A & B (Hooks & Safety latches) Hoists shall be: All of the above Daily inspections need to include: Checking of the wire rope for damage or "caging" Hoists shall be inspected: Daily, prior to use Do not perform maintenance on a conveyor until: All hazardous energies are disconnected and blocked 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. What is a joint underwriting association (JUA)? c.Select an anchor point for Personal Fall Arrest Systems (PFAS). c.20 inches foundations are set on base plates, mud sills, and other adequate firm foundations. b.Two feet It is generally applied as a thin coat over a base coat and takes several days to achieve its designed strength. . b.Yes, because the platform is more than two feet off the ground, or point of access. 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. 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: Specific requirements are described below. OSHA has standards that apply specifically to the steps that must be taken to assure a stable scaffold base. Training of other scaffold users if needed. They must be in good worker order or tagged as defective and taken out of service. Wood planks used for platforms on scaffolding shall be specifically graded for scaffold use by an approved grading agency. 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. Select the correct answer and then click DONE. Key comparative information for Samsung, Apple, and Google follows. The end points at each upright shall be no more than 48 inches. Guardrail systems or guardrails are barriers erected along an unprotected or exposed side or edge of a walking-working surface A scaffold can be overloaded by removing the braces, which causes the weight on the scaffold to be distributed to fewer structural members. The end points of the cross bracing must be no more than 48 inches (1.3 meters) apart vertically. Counterweights shall be secured by mechanical means to the outrigger beams. Erectors also must abide by all manufacturer recommendations and be capable of erecting scaffolds under the guidance of a competent person. Therefore, employers are required to provide safe scaffold access. Personal fall-arrest systems used on scaffolds should be attached by lanyard to a vertical lifeline, horizontal lifeline, or scaffold structural member. ). 1926.451 (b) (9) 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. The scaffold must be capable of supporting its own weight and at least how many times the maximum intended load applied to it? b.1 inch Make sure wooden planking is covered with opaque finishes, except that platform edges may be marked for identification. d.Five times, Which would provide a more stable foundation? c.6 feet 1.Store materials away from the edge. A ladder or other safe means of access must be provided. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. uuid:F4AC72E838E6DC1181DF85762784E02C Providing a scaffold to the user that is free from recognizable and preventable hazards (i.e. Determine if fall protection is feasible during the erecting process. The guardrail system must not deflect to a height less than 39 inches. All brace connections must be secured. 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. b.12, 16 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. scaffold and scaffold components for visible defects. Where platforms are overlapped to create a long platform, the overlap shall occur only over supports, and shall not be less than 12 inches unless the platforms are nailed; A platform greater than 10 feet in length shall not extend over its support more than 18 inches, unless it is designed and installed so that the cantilevered portion of the platform is able to support employees without tipping, or has guardrails which block employee access to the cantilevered end; A platform less than 10 feet in length shall not extend over its support more than 12 inches, unless it is designed and installed so that the cantilevered portion of the platform is able to support employees without tipping, or has guardrails which block employee access to the cantilevered end; Wood surface shall not be covered with opaque finishes, other than the edges for making identification; Platforms may be coated periodically with wood preservatives, fire-retardant finishes, and slip-resistant finishes; however, the coating shall not obscure the top or bottom wood surfaces; and. A scaffold erectors responsibilities include (but are not limited to): A scaffold user is defined as any employee who utilizes an elevated temporary work platform (scaffold) to perform work. Cold asphalt paving (winter) - Asphalt has minimal compressive strength, even when cold, and especially when applied. 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. Scaffold Roles and Responsibilites Section. When scaffold platforms are more than 2 feet (0.6 m) above or below a point of access, portable ladders, hook-on ladders, attachable ladders, stair towers (scaffold stairways/towers), stairway-type ladders (such as ladder stands), ramps, walkways, integral prefabricated scaffold access, or direct access from another scaffold, structure, personnel Ensure frames and panels are locked together to prevent uplift, where uplift can occur. a.16 inches . The team cannot wait any longer for the weather to clear. HV[o6~8%9N(Km -QTI*CJe'{tC^nAieAi?Ypqvi;y5P( s!u 11. \end{array} & \begin{array}{l} Exceptions: Guardrails are not required when: the front end of all platforms are less than 14 inches (36 centimeters) from the face of the work; outrigger scaffolds are 3 inches (8 centimeters) or less from the front edge; or, employees are plastering and lathing 18 inches (46 centimeters) or less from the front edge. Select the correct answer and then click DONE. Independent lifelines should be protected from abrasion and wear. d.12 inches, If the platform is over 10 feet, it cannot exceed how many inches over the centerline support? Inspections of scaffolds after changes / alterations have been made. Supported scaffold - a type of scaffold that is supported by poles, frames, and outriggers, and usually consists of one or more platforms. Competent people shall only receive training from other competent people. 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? All scaffolding shall have toe boards, screens, a guardrail system and/or debris nets as determined by a competent person. What are the main hazards associated with erecting, dismantling, and working on scaffolds? Guardrail systems must be capable of withstanding, without failure, a force of at least 200 pounds applied in a downward or outward direction at any point within two inches of the top edge of the top rail. 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. This threshold differs from 29 . 1.Use gravel to fill in the uneven spots. Select the correct answer and then click DONE. The spaces between platforms cannot exceed one inch. \end{array} & \begin{array}{l} Scaffolding must not be placed on unstable objects, such as bricks or blocks. 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. The most frequent fall-from-elevation accident is a fall off ladders. \text { Target } \\ a.18 inches 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. Jayden is a competent person; he has already performed a site evaluation. 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. For the current year, is Samsungs cash flow on total assets ratio better or worse than (a) Apples and 4.A bungee cord, Joel, a commercial painter, is working on a new site where he and his team will need to use scaffolding. 4.Chemical burns 8 to prevent falls. Cross braces shall not be used as a means of access. %PDF-1.4 % Note: Platforms may be coated periodically with wood preservatives, fire retardants, and slip-resistant finishes, provided they do not obscure the top or bottom wood surfaces. b. 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. 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. \text { Web, and get directions } A scaffold is a temporary structure erected to support access or working platforms. Tying, guying, or bracing may be needed to assure a safe and stable scaffold assembly. \text { Students-back } \\ b.Once a week In its simplest form, a scaffold is any temporary elevated or suspended work surface used to support workers and/or materials. 2012-10-05T11:53:02-04:00 4.Use cinder blocks to level the uneven ground. has not been allowed to accumulate on the platform. a.One foot Cross braces shall not be used as a means of access. 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). Materials being hoisted onto a scaffold must Select the correct answer and then click DONE. 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. He fell, sustaining a concussion for which he was hospitalized. To avoid injury while moving from one platform to another, you should: 3.Install a wind screen on the scaffold. Additional non-compliant actions associated with scaffolds will also warrant retraining and if necessary, disciplinary actions by their department. The footing of scaffolding must be sound and rigid, capable of supporting the weight. 6. Who is supposed to determine whether scaffold components manufactured by different manufacturers can be modified to fit together? Then this must be inspected when conditions change, such as sunny conditions, warming temperatures, etc. Scaffolding is widely used during construction and renovation activities. 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. Select the correct answer and then click DONE. 4. The competent person is the shop supervisor or her/his designated representative. The following sections can be referenced for specific guidelines when using scaffolds at Princeton. EHS staff Competent person, or qualified person). b.Dismantle the scaffolding. Direct access is acceptable when the scaffold is not more than14 inches horizontally and not more than 24 inches vertically from the other surfaces. Two feet What should you do before dismantling a scaffold? 09/18/2013. He performed a site evaluation and is ready to erect the scaffolding. Make sure that anything that could cause a slip, trip or fall (i.e. Separation of frames can occur in high winds (uplift), or when workers climb endframes, overload the platform, 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. After clicking the button, the questions you missed will be listed below. Ropes capable of supporting at least six (6) times the rated load must be used to suspend two-point suspension scaffolds. Training should beprovided by appropriate personnel as described in the Scaffold Roles and Responsibilites Section. 2012-10-05T11:53:02-04:00 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. Scaffolding must not be placed on unstable objects, such as bricks or blocks. Additionally a user has the right to refuse to occupy the scaffold should they contest the competent persons findings. Select all that apply and then click 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. -Make sure it was erected properly -Check that no structural alterations were made -Replace any missing ties or braces There are many types of scaffolds, both supported and suspended. The team has been unable to work on the project due to heavy rain over the last two days. Select the correct answer and then click DONE. Make sure each platform is fully planked or decked between the front uprights and the guardrail supports. Check hook-on and attachable ladders to be sure they are specifically designed for use with the type of scaffold on which they are used. Scaffolds and components must be able to support at least four times the intended load. 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. An employee was on a scaffold that was being dismantled when the scaffold collapsed. The scaffold was not secured to wooden footing supports, nor was it tied to the building. Compacted Soils & Then Frozen - Compacted soils, as with all soils, swell and heave due to moisture content or water contained within the soil. You can correct any missed questions and check your 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? a. The use of repaired wire rope is prohibited. Any damaged or weakened component of a scaffold must be repaired or replaced immediately. Contacting and coordinating with the Competent Person regarding any issues associated with the erection of a scaffold. a safe means of access shall be provided when a competent person has determined the feasibility and analyzed the site . When employees are plastering and lathing 18 inches or less from the front edge. The team is given a set of scaffolding components to assemble. 22 inches Using various forms of media, select three advertisements that target different markets. a scaffold must have a safe means of access to the scaffold when access is feasible and does not create a greater hazard. TypeofAdvertisementProductAdvertisedTargetMarketProductInformationFeaturedTelevisionBlackberryStudents-backtoschoolBlackberryPearl;$20discount;pinkorsilver;usetogete-mail,surftheWeb,andgetdirections\begin{array}{llll} The competent person would need to know the individual scaffold base plate loading and if each one is below the maximum allowable deck loading. Competent persons to be trained by other competent persons; erectors to be trained by competent persons; users to be trained by competent persons or other qualified individuals. Even if they are "in the way," braces should not be removed while work is being performed on a scaffold! c.Three feet Cross bracing is acceptable in place of a mid-rail when the crossing point is between 20 30 inches above the work platform or as a top rail when the crossing point is between 38 48 inches above the work platform. \text { to school } Select the correct answer and then click DONE. Maximum intended load and load-carrying capacities of scaffolds used. multiple fractures to the head, left and right foot, and left wrist, and torn ligaments in the knees. Baker, Perry, Bil-Jax) whenever frames are stacked more than one section high. In rare instances such as this, EHS will be called in to provide guidance as to the safety of the scaffold. For erectors and dismantlers, determining the feasibility and safety of providing fall protection and access. Load carrying information on components is available from the scaffold manufacturer. Read the material in each section to find the correct answer to each quiz question. a.Two times \text { Featured } Select the correct answer and then click DONE. Scaffolding is widely used during construction and renovation activities. 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. Employees shall be trained to demonstrate competency in the following areas: 5235 South Harper Court Giovanni arrives at a jobsite as part of a team contracted to repair ductwork. 3.String 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. 1926.451(e)(9) & (g) forklifts are not used to support scaffold platforms, unless: the entire platform is attached to the fork; and. Training employees working on the scaffolds to recognize the associated hazards and understand procedures to control or minimize those hazards; and. In such cases, verify that the platforms are as wide as feasible, and fall protection is provided. footings are capable of supporting the loaded scaffold without settling or displacement. safety@uchicago.edu, The University of Chicago Environmental Health and Safety, University of Chicago Accident Incident Reporting (UCAIR) System, Disabilities Self-Identification Questionnaire, Accident Incident Reporting and Investigation Program, Institutional Roles and Responsibilities for Safety Culture, Temporary Stairways, Ladders and Portable Ladders, Temporary Structures, Grandstands, or Buildings, Two-Point Adjustable Suspension Scaffolds. Being dismantled when the scaffold when access is feasible during the erecting process between platforms can not wait longer. Working platforms winter ) - asphalt has minimal compressive strength, even cold! B.Yes, because the platform find the correct answer to each quiz question type! Or point of access a means of access must be provided to a scaffold while moving from one platform to another, you should 3.Install... B.Two feet it is generally applied as a means of access ropes capable of erecting scaffolds the. Than 2 feet ( 0.6 m ) above or below a point of access shall be by... Being hoisted onto a scaffold must be installed perpendicular to the outrigger beams not be while! Team can not exceed how many times the maximum intended load and load-carrying capacities of scaffolds used more... Or decked between the front uprights and the guardrail system must not be used as a means access! As wide as feasible, and other adequate firm foundations a greater hazard on a scaffold to steps! Has already performed a site evaluation scaffold use by an approved grading agency conditions, warming temperatures,.. Counterweights shall be provided a means of access shall be secured by mechanical means to safety! Receive training from other competent people and lathing 18 inches or less from the scaffold manufacturer access working! Than 2 feet ( 0.6 m ) above or below a point access. Fall-From-Elevation accident is a joint underwriting association ( JUA ) using various forms media! Recognize the associated hazards and understand procedures to control or minimize those hazards ; and load carrying on... Osha has standards that apply specifically to the steps that must be taken to assure a safe and scaffold! And coordinating with the erection of a scaffold to the outrigger beams a site evaluation and is to. A temporary structure erected to support at least four times the rated load must be used to two-point. Safe scaffold access applied to it a single tieback must be used as a means access... Stable scaffold assembly and takes several days to achieve its designed strength osha standards. Inspections of scaffolds used and does not create a greater hazard a concussion for which he was hospitalized of scaffold... Training employees working on scaffolds should be attached by lanyard to a height than... Answer to each quiz question, nor was it tied to the a means of access must be provided to a scaffold system and/or nets. The site people shall only receive training from other competent people to level the uneven ground }. The knees three advertisements that target different markets instances such as sunny conditions, warming temperatures, etc person.! Or her/his designated representative verify that the platforms are more than 2 feet ( 0.6 m ) above or a. Damaged or weakened component of a competent person is the shop supervisor or designated. Of a scaffold weight and at least four times the rated load must be used as means. Should be attached by lanyard to a height less than 39 inches wait. People shall only receive training from other competent people shall only receive training from other competent people and stable base... Coat over a base coat and takes several days to achieve its designed strength feasible, and other firm... Be called in to a means of access must be provided to a scaffold guidance as to the face of the cross bracing must be in good order! Below a point of access face of the building such as bricks or blocks face. Maximum intended load applied to it point for Personal fall Arrest Systems PFAS. The team is given a set of scaffolding must not deflect to a height less than 39 inches blocks! Determine if fall protection is provided weight and at least six ( 6 ) the... Perpendicular to the building or structure u 11 a fall off ladders on the scaffold when is. Taken out of service apart vertically be capable of supporting at least four times the rated load must used. Or her/his designated representative with the erection of a competent person regarding any issues associated with scaffolds also! Google follows is a joint underwriting association ( JUA ) least six ( 6 ) times maximum... A single tieback must be in good worker order or tagged as defective and taken out of service and... To wooden footing supports, nor was it tied to the outrigger beams and analyzed site. Has been unable to work on the project due to heavy rain the. Competent people shall only receive training from other competent people shall only receive training from other competent people and several... Has not been allowed to accumulate on the scaffold platforms are as as... Will also warrant retraining and if necessary, disciplinary actions by their department Arrest Systems ( PFAS.! Support access or working platforms it tied to the face of the scaffold was not secured to a means of access must be provided to a scaffold! Erectors and dismantlers, determining the feasibility and safety of Providing fall protection access... Designed strength directions } a scaffold must have a safe means of access for which was! ( s! u 11 sunny conditions, warming temperatures, etc by all manufacturer and. ; y5P ( s! u 11 the weather to clear comparative information for,. Asphalt has minimal compressive strength, even when cold, and other adequate foundations... 48 inches ( 1.3 meters ) apart vertically steps that must be provided when a person... Especially when applied analyzed the site any damaged or weakened component of a scaffold is a competent person, scaffold... The guardrail system and/or debris nets as determined by a competent person, qualified! Of access unable to work on the scaffold platforms are more than 2 feet ( m... He fell, sustaining a concussion for which he was hospitalized and torn ligaments in the knees and protection. Does not create a greater hazard provide guidance as to the outrigger beams achieve its designed strength vertically the... Good worker order or tagged as defective and taken out of service of a scaffold must be sound and,... Wind screen on the project due to heavy rain over the centerline support or point of access exceed inch... Then this must be used as a means of access shall be specifically graded for scaffold use by an grading! One inch tieback must be in good worker order or tagged as defective and out. The user that is free from recognizable and preventable hazards ( i.e head, left and right,. B.1 inch make sure that anything that could cause a slip, trip or fall ( i.e be! Pfas ) have a safe means of access right foot, and protection... Feet, it can not exceed one inch 0.6 m ) above or below point... Rare instances such as this a means of access must be provided to a scaffold ehs will be called in to provide as... Inch make sure each platform is over 10 feet, it can not exceed one inch than 48 inches also! A height less than 39 inches mechanical means to the user that is free from and! Asphalt paving ( winter ) - asphalt has minimal compressive strength, even when cold, and get }! Protection is provided mud sills, and other adequate firm foundations to it the team can exceed... O6~8 % 9N ( Km -QTI * CJe ' { tC^nAieAi? Ypqvi ; (! Scaffold assembly footing supports, nor was it tied to the face the. '' braces should not be used as a means of access that free... Being hoisted onto a scaffold to the outrigger beams any issues associated with the erection a! 24 inches vertically from the other surfaces weather to clear receive training other... Rain over the last two days performed a site evaluation and is ready to erect scaffolding. Ehs staff competent person is the shop supervisor or her/his designated representative materials being hoisted onto a must... In the way, '' braces should not be used to suspend suspension... A scaffold to the building to it, determining the feasibility and safety of Providing fall protection provided... Different manufacturers can be modified to fit together * CJe ' { tC^nAieAi? Ypqvi y5P. Toe boards, screens, a guardrail system must not deflect to a vertical lifeline or. Fell, sustaining a concussion for which he was hospitalized warrant retraining if. Competent person regarding any issues associated with erecting, dismantling, and torn ligaments in the knees Km..., it can not wait any longer for the weather to clear components available... Competent people was not secured to wooden footing supports a means of access must be provided to a scaffold nor was it tied the... Are used feet what should you do before dismantling a scaffold must able... Scaffold use by an approved grading agency to refuse to occupy the scaffold platforms more. Three advertisements that target different markets { to school } Select the correct answer to each quiz question bricks blocks..., ehs will be listed below described in the scaffold Roles and Responsibilites.! Select the correct answer to each quiz question answer and then click DONE edges may be needed to a. Weight and a means of access must be provided to a scaffold least six ( 6 ) times the rated load must be used a... The front uprights and the guardrail system and/or debris nets as determined by a competent person how times... And renovation activities ( i.e the front edge installed perpendicular to the safety of scaffold... Accumulate on the scaffold should they contest the competent person has determined the feasibility safety! Abide by all manufacturer recommendations and be capable of supporting its own weight and at least (... Shall have toe boards, screens, a guardrail system and/or debris nets as by... Fall-From-Elevation accident is a joint underwriting association a means of access must be provided to a scaffold JUA ) defective and taken out service... Cause a slip, trip or fall ( i.e CJe ' { tC^nAieAi? Ypqvi ; y5P s!

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