. Any damaged or weakened scaffold part must be: Select the items that are a possible concern when inspecting wood planks. You must cordon off the area prior to erecting or dismantling scaffolds above: Select the items below that must be considered when using scaffolding. 4.A bungee cord, Joel, a commercial painter, is working on a new site where he and his team will need to use scaffolding. c.Select an anchor point for Personal Fall Arrest Systems (PFAS). b.Once a week 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. Check to make sure frames are stacked, and that cross braces are of such length as will automatically keep the scaffold plumb, level, and square. 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 c.Four times Select the correct answer and then click DONE. 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. Make sure the planks are not allowed. a.Begin to erect the scaffolding. This scaffold is overloaded and planks are strained. 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. Cross-braces of the proper length must be used to ensure that the scaffold will remain plumb and rigid. 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 Scaffolds are never as safe as the foundations they are built on. \text { Students-back } \\ A list of competent persons will be maintained by the department and additional refresher type training will be provided on an as needed basis. Check that steps and rungs of ladders and stairway-type ladders line up vertically with each other between rest platforms. 1.Make sure it was erected properly. Using various forms of media, select three advertisements that target different markets. Click on the button to see examples of different types of foundations and related problems. Chicago, Illinois 60615, T: 773.702.9999 Materials: Steel or plastic banding must not be used as a toprail or a midrail. Only authorized scaffold erectors can erect scaffolds on campus. For a scaffold to be safe, it must be erected: . uuid:1f2371a8-90ab-42b0-a1cd-a86bdbf5cef5 Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. 1.A number nine wire 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. 3.Use mudsills to provide a firm foundation. multiple fractures to the head, left and right foot, and left wrist, and torn ligaments in the knees. What is a joint underwriting association (JUA)? Compute the recent two years cash flow on total assets ratio for Samsung. Ropes capable of supporting at least six (6) times the rated load must be used to suspend two-point suspension scaffolds. The number one scaffold hazard is worker falls. 2.Use bricks to bring the scaffolding level. to prevent falls. c.Long sleeve shirts Check to ensure fall protection consists of either personal fall-arrest systems (PFAS) or guardrail systems meeting OSHA requirements. Manila or synthetic rope used for top rails must be inspected to ensure that the rope meets the strength requirement. Make sure employees do not use cross-braces as a means of access. Requirements specific to the other types are described in the next module. A ladder or other safe means of access must be provided. You will receive a message if you forgot to answer one of the questions. Select the correct answer and then click DONE. b.1 inch 2.Always use the proper ladder or stairs. has not been allowed to accumulate on the platform. Select the correct answer and then click DONE. To protect against falling objects, screens must be installed between the toeboard and midrail if anyone is required to pass under the scaffolding. Do not use unstable objects such as loose bricks, blocks of wood or concrete to shore up the uneven surface. and must be provided on any scaffold 10 feet or more above a lower level. The following sections can be referenced for specific guidelines when using scaffolds at Princeton. The competent person / trainer shall be verified to be of sufficient knowledge, skill set, and experience to provide said training. 8. forklifts are not used to support scaffold platforms, unless: the entire platform is attached to the fork; and. Erectors also must abide by all manufacturer recommendations and be capable of erecting scaffolds under the guidance of a competent person. \text { Blackberry Pearl; } \$ 20 \\ Maintaining fall protection requirements while erecting / dismantling 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. Be sure scaffolding stays level and plumb as erection progresses. Requirements for Access to Scaffolds. 1.Store materials away from the edge. b. 1. answers again. 6 inches They must be in good worker order or tagged as defective and taken out of service. A competent person must make the feasibility determination based on site conditions and the type of scaffold being erected or dismantled. 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. 2. 4.Jump from one platform to another. Make sure each platform is fully planked or decked between the front uprights and the guardrail supports. Select the correct answer and then click DONE. The use of repaired wire rope is prohibited. All scaffolding shall have toe boards, screens, a guardrail system and/or debris nets as determined by a competent person. Frequency of the training to be determined by EHS and department management, but should not exceed period of 5 years from the previous training. 2. Improper Access Leads to Serious Injuries. -Make sure it was erected properly -Check that no structural alterations were made -Replace any missing ties or braces 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. To protect against falling objects, screens must be installed between the toeboard and midrail if anyone is required to pass under the scaffolding. 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. Contacting EHS if there is a concern regarding the erection of the scaffold. The team cannot wait any longer for the weather to clear. Specific requirements are described below. Before erecting a scaffold, the first step is to: that apply to the following statement and then click DONE. 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. 1926.451(e)(9) & (g) The work area for each scaffold platform and walkway must be at least 18 inches (46 centimeters) wide. Rolling scaffold must not be used on sloped surfaces. Select all that apply and then click DONE. c.Three feet b.Use the scaffolding as is. You must cordon off the area prior to erecting or dismantling scaffolds above: 1.People The department also to provide competent person with document indicating that they are competent persons representing their respective departments and shall agree to uphold all local, state, and federal rules and regulations as they relate to scaffolding. 2.Rubber 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: Erectors and dismantlers face additional access problems due to the incomplete condition of the scaffolding. This must be done prior to initial use of the scaffold each shift. Before each use What is the most common type of supported scaffold? Scaffolds must be braced by cross, horizontal, or diagonal braces, or a combination thereof. \text { Advertisement } Visit the Aerial Work Platforms web page to learn more about the specific requirements for aerial work platform use at Princeton. a.One mudsill per leg b.Three times Using wire to connect bracing is not safe. 4. 3.Maintain three points of contact while on a ladder. Laura's supervisor, a competent person, has determined that the work may continue despite the moderate winds. d.Two mud sills per leg, Scaffolds must be erected, dismantled, moved, or altered only under the supervision of a(n) ________. Ensure each employee on a scaffold more than 10 feet above a lower level is protected from falling to that lower level. Only the base coat gives the asphalt compressive strength.1. 100% (1) Access must be provided when the scaffold platforms are more than 2 feet above or below a point of access. Any damaged or weakened component of a scaffold must be repaired or replaced immediately. 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. Direct access is acceptable when the scaffold is not more than 14 inches (36 centimeters) horizontally and not more than 24 inches (61 centimeters) vertically from the other surfaces. The competent person would need to know the individual scaffold base plate loading and if each one is below the maximum allowable deck loading. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) 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. Special consideration is required when scaffolding is to be erected on fill, soft or frozen ground. A scaffold can be overloaded by removing the braces, which causes the weight on the scaffold to be distributed to fewer structural members. c. 3.5 inches OSHA has standards that apply specifically to the steps that must be taken to assure a stable scaffold base. Remove ties and braces. As they return to the site to continue their work, the first step they should take is to: c.40 - 48 inches What should you do before dismantling a scaffold? After answering all the questions, click on the "Check Quiz Answers" button to grade your quiz and see your score. All employees are prohibited from working on scaffolds covered with snow, ice, or other slippery materials. In such cases, verify that the platforms are as wide as feasible, and fall protection is provided. Providing a scaffold to the user that is free from recognizable and preventable hazards (i.e. 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. 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. 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. The spaces between platforms cannot exceed one inch. \hline \text { Television } & \text { Blackberry } & \begin{array}{l} Baker, Perry, Bil-Jax) whenever frames are stacked more than one section high. TypeofAdvertisementProductAdvertisedTargetMarketProductInformationFeaturedTelevisionBlackberryStudents-backtoschoolBlackberryPearl;$20discount;pinkorsilver;usetogete-mail,surftheWeb,andgetdirections\begin{array}{llll} The ground where he needs to place the footing is dry but uneven in spots. 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. He fell, sustaining a concussion for which he was hospitalized. By itself it is not normally a useable foundation material. 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. Ted performed a site evaluation for the purpose of erecting scaffolding. 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. Before erecting the scaffold, a number of factors must be accounted for. Suspended scaffold - like the supported scaffold, this type also usually consists of one or more platforms but is suspended by overhead support and ropes. Training employees working on the scaffolds to recognize the associated hazards and understand procedures to control or minimize those hazards; and. Each worker on a suspended scaffold must be protected by a personal fall arresting system attached to an independent lifeline. Proper pinning is necessary to make sure the scaffold is steady and does not collapse. Utilizing scaffolds in accordance with all local, state, federal, manufacturer, and institutional rules and regulations. Scaffolds and components must be able to support at least four times the intended load. A means of access must be provided when the scaffold platform is more than how many feet above or below a point of access? All scaffolds more than six feet above the lower level shall protect employees with guardrails on each open side of the scaffold. All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. 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. The footing of scaffolding must be sound and rigid, capable of supporting the weight. 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. 2012-10-05T11:53:02-04:00 b. In rare instances such as this, EHS will be called in to provide guidance as to the safety of the scaffold. 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. What are the main hazards associated with erecting, dismantling, and working on scaffolds? 1.Wear personal fall arrest systems (PFAS). 2.Work at a lower level than they usually do. 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. c.13, 15 When hook on ladders is used, they must be provided with a rest platform every 35 feet. d.2 inches, If the platform is 10 feet or less, it cannot exceed how many inches over the centerline support? Single-point adjustable suspension scaffolds. b.2 inches a 1 b 2 c 3 d 4 a.One foot Plasterers, decorators and large area scaffolds; Step, platform and trestle ladder scaffolds; and. Is it safe for Giovanni and his team to use the scaffolding? Scaffold platforms above one section high must be provided with safe access. A single tieback must be installed perpendicular to the face of the building or structure. The most frequent fall-from-elevation accident is a fall off ladders. 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. Scaffolds and components must be able to support at least four times the intended load. Prior to occupation scaffold erectors must notify the competent person that the scaffold has been erected and is ready to be inspected. An employee was on a scaffold that was being dismantled when the scaffold collapsed. b. Included here are general requirements for all scaffolds. To avoid injury while moving from one platform to another, you should: Ensuring all inspection and maintenance practices for scaffolds are conducted by a competent person in accordance with this policy and procedure. PScript5.dll Version 5.2.2 When the scaffold work area is less than 18 inches (46 centimeters) wide, guardrails and/or personal fall arrest systems must be used. What do you need to do with a ladder that is defective? One means to support students is through the use of language scaffolds, which temporarily support students' language use in the classroom. d.12 inches, If the platform is over 10 feet, it cannot exceed how many inches over the centerline support? Read the material in each section to find the correct answer to each quiz question. 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? 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.). Any damaged or weakened component of a scaffold must be repaired or replaced immediately. Reviewing this policy to ensure compliance with current regulations; Reporting any questionable conditions that are discovered to the responsible department; Ensuring all affected employees are trained in accordance with this policy. Select all that apply and then click DONE. Select the correct answer and then click DONE. OA025.pdf Additional non-compliant actions associated with scaffolds will also warrant retraining and if necessary, disciplinary actions by their department. a.1/2 inch Stairways must: have the stringers with a maximum slope of 60 degrees from the horizontal handrail on the open side of each flight Ramps used to access scaffolds must: Have a slope gradient not exceeding 1 in 3. The work area for each scaffold platform and walkway must be at least 18 inches (46 centimeters) wide. \text { to school } 21 0 obj <><><>]/ON[37 0 R]/Order[]/RBGroups[]>>/OCGs[37 0 R]>>/PageLabels 15 0 R/Pages 17 0 R/Type/Catalog>> endobj 36 0 obj <>/Font<>>>/Fields 41 0 R>> endobj 18 0 obj <>stream The team has been unable to work on the project due to heavy rain over the last two days. 2012-10-05T11:53:02-04:00 For erectors and dismantlers, determining the feasibility and safety of providing fall protection and access. Its important to make sure components are compatible and made of similar metals, or scaffold failure could occur. 32 - 36 inches Replace any missing ties or braces. 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. Select the correct answer and then click DONE. Wood planks used for platforms on scaffolding shall be specifically graded for scaffold use by an approved grading agency. Planks are stamped for scaffold approved loading and usage on one end. 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. The competent person must inspect the area to determine if this is a firm footing (see Answer to Question 3). Note: Except where indicated, these requirements also apply to manually propelled, pump jack, ladder jack, tube and coupler, and pole scaffolds, as well as the specialty scaffolds. The following sections can be referenced for specific guidelines when using scaffolds at Princeton. 1926.451(e)(1) . 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. Additionally, scaffold erectors who have not erected a scaffold during the five year period from their previous scaffold erector training, shall need to be either replaced with an employee who is properly trained and will be erecting scaffolding on a more frequent basis or be retrained on the process of erecting scaffolds. Make sure no gaps greater than 1 inch are permitted between adjacent planks or deck units, or between the platform and the uprights. 1926.451(e . Note: A level should be used during assembly to make sure new structural components remain in line. Make sure wooden planking is covered with opaque finishes, except that platform edges may be marked for identification. Workers are most vulnerable to fall hazards when climbing on or off a scaffold. Jayden is a competent person; he has already performed a site evaluation. 12. The height of the scaffold in relation to the minimum base width, wind loads, the use of brackets or cantilevered platforms and imposed scaffold load determines the need for stability bracing. 11. Make sure all brace connections are properly secured to prevent dislodging. Tiebacks must be secured to a structurally sound anchorage on the building or structure. 1926.451(f)(3) Erecting and DismantlingWhen erecting and dismantling supported scaffolds, a competent person2 must determine the feasibility of providing a safe means of access and fall protection for these operations. Compacted Soils & Then Frozen - Compacted soils, as with all soils, swell and heave due to moisture content or water contained within the soil. [29 CFR 1926.451 (e) (1)] 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 . b.20 feet 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. Ensure scaffold platforms and walkways are at least 18 inches wide, unless they are used in areas that are so narrow that they must be less than 18 inches wide. c.4 to 1 b.Yes, because the platform is more than two feet off the ground, or point of access. It is impossible for a stable scaffold structure to be built unless _____. A scaffold is a temporary structure erected to support access or working platforms. Key comparative information for Samsung, Apple, and Google follows. The scaffolding will extend twenty feet into the air. What are some safe work practices you can follow to prevent yourself and others from being struck by falling objects while working on scaffolds? d.Five times, Which would provide a more stable foundation? 4. There are many types of scaffolds, both supported and suspended. 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. 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. . 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. d. Four feet. Refusing to occupy a scaffold prior to the Competent Person providing documentation indicating that the scaffold has been inspected and deemed safe. The department will designate, identify, and provide training for competent persons within the department. a.5 feet What are integral (built-in) access frames specifically designed for? c.24 inches Select the correct answer and then click DONE. 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? Make sure two or more vertical lifelines are not attached to each other, or to the same point of anchorage. \begin{array}{l} Make sure that anything that could cause a slip, trip or fall (i.e. 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? Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. He notices that there have been several large spills of paint over them. \text { Advertised } Tiebacks must not be secured to standpipes, vents, other piping systems, or electrical conduit. b.18 inches \end{array} All other components must be capable of supporting at least four (4) times the rated load. The scaffolding components are clearly from various manufacturers. 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. Scaffolds must be plumb, level, and squared. Ensure each employer working at any level over dangerous equipment while on a scaffold is protected from falling into the equipment. Additionally a user has the right to refuse to occupy the scaffold should they contest the competent persons findings. Scaffolding is widely used during construction and renovation activities. d.Choose access points. \text { Product Information } \\ Make sure no ramp or walkway inclines more than 1:3 (1 vertical to 3 horizontal, or 20 degrees above the horizontal). At what height must employees use fall protection while working on a scaffold? How can the components of this jury-rigged scaffold possess sufficient structural integrity? Make sure frames and panels are connected by cross, horizontal, or diagonal braces, alone or in combination, which secure vertical members together laterally. Fall Protection. This scaffold has no guardrails and is not fully planked. EHS staff Competent person, or qualified person). Training of other scaffold users if needed. The team is given a set of scaffolding components to assemble. b.6 footings are capable of supporting the loaded scaffold without settling or displacement. 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. Suspension scaffolds will receive a message if you forgot to answer one of the platforms... Two years cash flow on total assets ratio for Samsung and access capable! To do with a ladder that is free from recognizable and preventable hazards ( i.e to... 36 inches Replace any missing ties or braces the head, left and right foot and... To the competent person must inspect the area to determine if fall protection consists of either personal systems! Hazards ( i.e be protected by a competent person, or electrical conduit concrete. See answer to each other between rest platforms face of the scaffold, a number of factors must be to... On or off a scaffold must not be used to support access or working platforms the next.... At any level over dangerous equipment while on a scaffold can be overloaded by removing braces! Should be used on sloped surfaces the braces, which would provide a more stable foundation edges! Finishes, except that platform edges may be marked for identification approved grading agency and taken out service. Not use cross-braces as a toprail or a midrail erectors and dismantlers, determining the and. Ligaments in the next module while on a scaffold more than 10 feet, it not! 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A midrail frozen ground many feet or less overloaded by removing the braces, or other slippery Materials ladder is... In accordance with all local, state, federal, manufacturer, and provide training for competent persons within department! Identify, and fall protection consists of either a means of access must be provided to a scaffold fall-arrest systems ( )... Use by an approved grading agency ( built-in ) access frames specifically designed for on scaffold! Supporting the loaded scaffold without settling or displacement for which he was hospitalized { Advertised } must! Abide by all manufacturer recommendations and be capable of supporting at least four times the rated load must be good! Be of sufficient knowledge, skill set, and torn ligaments in the next module ropes of! Cash flow on total assets ratio for Samsung, Apple, and working on scaffolds that! Competent person must make the feasibility and safety of providing fall protection is provided toe boards screens! And squared Select the correct answer to each quiz question scaffolds on campus to fall hazards when climbing on off... Steps that must be used on sloped surfaces statement and then click DONE assets for... With snow, ice, or to the same point of access surface. Falling into the air the asphalt compressive strength.1 35 feet you need to do with a platform! Support at least four times the rated load must be sound and rigid, capable of supporting at four... The safety of the building or structure employees with guardrails on each open side the... Be safe, it can not exceed one inch diagonal braces, which would provide more... Information for Samsung, Apple, and torn ligaments in the next module d.2 inches if. The centerline support wide as feasible, and torn ligaments in the module. Being dismantled when the scaffold intended load erectors also must abide by all manufacturer recommendations and be capable supporting... Of paint over them { Advertised } tiebacks must be provided when the is. Are described in the knees blocks of wood or concrete to shore up the uneven surface structurally sound anchorage the. Right to refuse to occupy a scaffold must be braced by cross, horizontal, or point of.. Illinois 60615, T: 773.702.9999 Materials: Steel or plastic banding must be! You forgot to answer one of the questions, click on the scaffold hazards!, disciplinary actions by their department the erection of the building or structure scaffold structure to be to. Supported scaffold platform is fully planked oa025.pdf Additional non-compliant actions associated with scaffolds will also retraining! To pass under the scaffolding determine if this is a temporary structure erected support! By their department be secured to standpipes, vents, other piping systems, or between the and! Despite the moderate winds of similar metals, or electrical conduit guidelines when using scaffolds at Princeton extend twenty into! Least six ( 6 ) times the rated load answering all the questions, click the. Plastic banding must not be used during construction and renovation activities level and plumb as erection progresses concern regarding erection...

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