Any damaged or weakened component of a scaffold must be repaired or replaced immediately. Rolling scaffold must not be used on sloped surfaces. Inspections of scaffolds after changes / alterations have been made. Ensuring all inspection and maintenance practices for scaffolds are conducted by a competent person in accordance with this policy and procedure. It is impossible for a stable structure to be built upon a foundation that does not start out square and level. The riser height must be uniform, and the stair angle must be between 40 and 60 degrees from the horizontal. Note: A level should be used during assembly to make sure new structural components remain in line. 7. Scaffolds must be braced by cross, horizontal, or diagonal braces, or a combination thereof. a. You can correct any missed questions and check your 3.Check that no structural alterations were made. He suffered 2.Toss tools and other items from the scaffold. Select the correct answer and then click DONE. 4. What are integral (built-in) access frames specifically designed for? 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. \text { to school } \text { Target } \\ 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. 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. 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.5 b.Once a week What should Ted do? . 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: 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). Barbara and her team erected scaffolding outside of a building earlier this week. Designing components in accordance with design specifications. Click on the button to see examples of different types of foundations and related problems. PScript5.dll Version 5.2.2 Contacting and coordinating with the Competent Person regarding any issues associated with the erection of a scaffold. . Providing a scaffold to the user that is free from recognizable and preventable hazards (i.e. 1.Snow This threshold differs from 29 . uuid:F4AC72E838E6DC1181DF85762784E02C Select the correct answer and then click DONE. Employees shall be trained to demonstrate competency in the following areas: 5235 South Harper Court 1926.451(e . 2.Work at a lower level than they usually do. Tiebacks must be secured to a structurally sound anchorage on the building or structure. Special consideration is required when scaffolding is to be erected on fill, soft or frozen ground. The competent person is the shop supervisor or her/his designated representative. Horizontal members are erected in a manner that creates a usable ladder and provides good hand hold and foot space. 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. All scaffolding shall be plumb and level. Princeton, NJ 08540ehs@princeton.edu609-258-5294, 2023 The Trustees of Princeton University, Office of Environmental Health and Safety, Hazard Identification and Risk Assessment, Laboratory Access and Training Recommendations, Laboratory Equipment and Engineering Controls, SHIELD - Safety, Health, Inspection and Equipment Logistics Database, Administration of Biological and Chemical Hazards to Animals, Medical Clearance and Safety Training For Animal Researchers, Recombinant and Synthetic Nucleic Acid Molecules, Shipping and Receiving Biological Material, X-Ray Machines & Other Radiation-Producing Equipment, Personal Protective Equipment (PPE) for Construction, Specific Requirements of Welded Frame and Suspended Scaffolds. being laid. Even if they are "in the way," braces should not be removed while work is being performed on a scaffold! A ladder or other safe means of access must be provided. At all points of a scaffold where the platform changes direction, such as turning a corner, any platform that rests on a bearer at an angle other than a right angle shall be laid first, and platforms which rest at right angles over the same bearer shall be laid second, on top of the first platform. He fell approximately 12 feet to a concrete dock. Does Joel need to provide a portable ladder for his team to access the platform? The lifeline must be attached securely to substantial members of the structure (not the scaffold) or to securely rigged lines that will safely suspend the employee in case of a fall. In rare instances such as this, EHS will be called in to provide guidance as to the safety of the scaffold. Should he use those planks? a.16 inches c.Inspect the scaffolding for paint. Scaffolding is widely used during construction and renovation activities. answers again. a.2 to 1 1926.451 (b) (9) 262 Alexander Street a.One mudsill per leg 3.Metal 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. 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. 8 inches Materials: Steel or plastic banding must not be used as a toprail or a midrail. a 1 b 2 c 3 d 4 Guardrails and/or personal fall arrest systems must be used when the scaffold work area is _____. c.Re-evaluate the site, as the ground conditions have changed due to weather. The guardrail system must not deflect to a height less than 39 inches. At what height must employees use fall protection while working on a scaffold? -Make sure it was erected properly -Check that no structural alterations were made -Replace any missing ties or braces [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 . 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. Jayden is a competent person; he has already performed a site evaluation. 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 d.15, 17, Ramps and walkways _______ feet or more above lower levels must have guardrail systems. Make sure all brace connections are properly secured to prevent dislodging. c. 3.5 inches A scaffold users responsibilities include (but are not limited to): Scaffold planning, erection, and use require different levels of training. Prior to occupation scaffold erectors must notify the competent person that the scaffold has been erected and is ready to be inspected. All equipment shall be inspected to ensure that it is in good condition and is serviceable. 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. Scaffolds and components must be able to support at least four times the intended load. 3.Use mudsills to provide a firm foundation. What must ramps and walkways 6 feet or more above lower levels be equipped with? Scaffold components manufactured by different manufacturers shall not be intermixed unless the components fit together without force and the scaffolds structural integrity is maintained. What are the main hazards associated with erecting, dismantling, and working on scaffolds? 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. 8. must be plumb (exactly vertical) and braced to prevent swaying and displacement. 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. Select the correct answer and then click DONE. Midrails, screens, mesh, intermediate vertical members, and solid panels must be capable of withstanding, without failure, a force of at least 150 pounds applied in any downward or outward direction at any point along the intermediate member. %PDF-1.4
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Utilizing scaffolds in accordance with all local, state, federal, manufacturer, and institutional rules and regulations. 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. 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. The ground where he needs to place the footing is dry but uneven in spots. 1. All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. Separation of frames can occur in high winds (uplift), or when workers climb endframes, overload the platform, Planks are stamped for scaffold approved loading and usage on one end. c.10 Employers must ensure that: \end{array} He fell, sustaining a concussion for which he was hospitalized. The competent person must inspect the area to determine if this is a firm footing (see Answer to Question 3). Using wire to connect bracing is not safe. c.4 to 1 The work area for each scaffold platform and walkway must be at least 18 inches (46 centimeters) wide. d. Four feet. Select the correct answer and then click DONE. Ensure scaffolds are altered only under the supervision and direction of a competent person. The footing of scaffolding must be sound and rigid, capable of supporting the weight. Laura and her team are on a deadline to finish a construction project. a.18 inches b.12, 16 Movement of the scaffold must be under the direction of a competent person. Nature of electrical, fall hazards and falling object hazards in the work area; Proper handling of materials on scaffolds; Proper erecting, maintaining and disassembling of fall protection systems; Proper construction, use, placement and care in handling of scaffolds; and. Employers must provide access when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. This scaffold is overloaded and planks are strained. 4.Chemical burns 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. What is the most common type of supported scaffold? 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. c.13, 15 Select all that apply and then click DONE. Erecting scaffolds in accordance with local, state, and federal. Chicago, Illinois 60615, T: 773.702.9999 The spaces between platforms cannot exceed one inch. 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. b.Three times The weather has been an issue and has pushed the project back. Select the correct answer and then click DONE. d.Two mud sills per leg, Scaffolds must be erected, dismantled, moved, or altered only under the supervision of a(n) ________. Direct access is acceptable when the scaffold is not more than14 inches horizontally and not more than 24 inches vertically from the other surfaces. Check to ensure fall protection consists of either personal fall-arrest systems (PFAS) or guardrail systems meeting OSHA requirements. In such cases, verify that the platforms are as wide as feasible, and fall protection is provided. Hot asphalt paving (summer) - This type of asphalt (top coat) is soft when placed and then compacted with rollers. Select the correct answer and then click DONE. 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? to prevent falls. Requirements specific to the other types are described in the next module. 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. b.2 inches Be sure scaffolding stays level and plumb as erection progresses. Tiebacks must not be secured to standpipes, vents, other piping systems, or electrical conduit. 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. Make sure wooden planking is covered with opaque finishes, except that platform edges may be marked for identification. Scaffolding is widely used during construction and renovation activities. Make sure standpipes, vents, electrical conduit, etc., which may give way under the force of a fall, are not being used as anchorage points. c.Four times The competent person / trainer shall be verified to be of sufficient knowledge, skill set, and experience to provide said training. \text { Advertised } Check that direct access to or from another surface is permitted only when the scaffold is not more than 14 inches horizontally and not more than 24 inches vertically from the other surface. Select the correct answer and then click DONE. The electronic address to view or download a copy as found on OSHA's Website is www.osha.gov. 2012-10-05T11:53:02-04:00 d.12 inches, If the platform is over 10 feet, it cannot exceed how many inches over the centerline support? 2008-02-28T15:30:48-05:00 1926.451 (f)(3) Scaffolds and scaffold components must be inspected for visible . 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. In order to be safe, which two options can Laura's team choose from to continue work? \text { use to get e-mail, surf the } \\ Hard hats 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. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. Scaffolding must not be placed on unstable objects, such as bricks or blocks. No University employee shall erect scaffold greater than or equal to 20 feet. d.2 inches, If the platform is 10 feet or less, it cannot exceed how many inches over the centerline support? Make sure frames and panels are connected by cross, horizontal, or diagonal braces, alone or in combination, which secure vertical members together laterally. 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. 4 feet Scaffold Training Institute or similar vendor). Its important to make sure components are compatible and made of similar metals, or scaffold failure could occur. Compacted Gravel Roads - This type of road surface may have adequate strength but the material does not provide a smooth surface. Base plates or screw jacks shall be in firm contact with both the sills and the legs of the scaffolding. 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. A single tieback must be installed perpendicular to the face of the building or structure. 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. 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. d.Add additional poles to support the scaffolding. 9. 3.Maintain three points of contact while on a ladder. When erecting and dismantling tubular, welded-frame scaffolds, and end frames are used as climbing devices for access, make sure: Horizontal members are parallel, level, and not more than 22 vertical inches apart. 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. The end points at each upright shall be no more than 48 inches. Before erecting a scaffold, the first step is to: a.Perform a site evaluation. a.5 feet d.Hearing protection. b.One continuous mudsill under both legs Compacted Soils & Then Frozen - Compacted soils, as with all soils, swell and heave due to moisture content or water contained within the soil. All scaffolds more than six feet above the lower level shall protect employees with guardrails on each open side of the scaffold. All employees are prohibited from working on scaffolds covered with snow, ice, or other slippery materials. Ensure each employee on a scaffold more than 10 feet above a lower level is protected from falling to that lower level. Scaffold collapse The proper erection of a scaffold is essential in preventing this particular hazard. Fabricated frame scaffolds are the most common type of scaffold because they are versatile, economical, and easy to use. 09/18/2013. \begin{array}{l} are specifically designed and constructed for use as ladder rungs, are not used as work platforms when rungs are less than 11 inches in length, unless each affected employee uses appropriate fall protection, have rungs which are uniformly spaced and a length of at least 8 inches, with a maximum space between rungs of 16 inches, have rest platforms provided at a maximum of 35 foot vertical intervals, a stair rail consisting of a toprail and a midrail on each side of the stairway, a toprail of each stair rail system capable of serving as a handrail, unless a separate handrail is provided, sufficient handhold on handrails, and toprails serving as handrails, for employees grasping them to avoid falling, stair rails and handrails surfaced to prevent punctures or lacerations to employees, and to prevent snagging of clothing, stair rails and handrails constructed so that they do not constitute a projection hazard, a space of at least 3 inches between handrails, or stair rails used as handrails, and other objects, a distance of no less than 28 inches and no more than 37 inches from the upper surface of the stair rail to the forward edge of the tread, in line with the face of the riser, a landing platform at least 18 inches wide by 18 inches long at each level, a scaffold stairway width of at least 18 inches between stair rails, slip-resistant surfaces on treads and landings, stairways installed between 40 degrees and 60 degrees from the horizontal, guardrails meeting OSHA requirements on the open sides and ends of each landing, uniform riser height, within -inch, for each flight of stairs, greater variations in riser height are allowed for the top and bottom steps of the entire system (not for each flight of stairs), uniform tread depth, within -inch, for each flight of stairs, Ensure ramps and walkways 6 feet or more above lower levels have guardrails that comply with. Select the correct answer and then click DONE. The poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. b.8 feet Supported scaffold - a type of scaffold that is supported by poles, frames, and outriggers, and usually consists of one or more platforms. Fall Protection. c.Anyone Make sure two or more vertical lifelines are not attached to each other, or to the same point of anchorage. Scaffold planks shall extend over their end support at least six (6) inches but no more than twelve (12) inches. b.Incompetent person ). The work area for each scaffold platform and walkway must be at least 18 inches (46 centimeters) wide. The competent person is the shop supervisor or her/his designated representative. TypeofAdvertisementProductAdvertisedTargetMarketProductInformationFeaturedTelevisionBlackberryStudents-backtoschoolBlackberryPearl;$20discount;pinkorsilver;usetogete-mail,surftheWeb,andgetdirections\begin{array}{llll} 3. 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. Outriggers must be used on narrow frame type scaffolds (i.e. 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. application/pdf 4. Ensuring all affected employees follow the prescribed practices within this policy; and. 904-01 multiple fractures to the head, left and right foot, and left wrist, and torn ligaments in the knees. foundations are set on base plates, mud sills, and other adequate firm foundations. In order to assure scaffold stability, make sure: Note: One way to ensure a stable foundation when a sill is used is to secure it to the baseplate. Visit the Aerial Work Platforms web page to learn more about the specific requirements for aerial work platform use at Princeton. 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.). 2.Rubber Ropes capable of supporting at least six (6) times the rated load must be used to suspend two-point suspension scaffolds. Select the correct answer and then click DONE. 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. 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. Plasterers, decorators and large area scaffolds; Step, platform and trestle ladder scaffolds; and. c.Select an anchor point for Personal Fall Arrest Systems (PFAS). A ladder or other safe means of access must be provided. The footing of scaffolding must be sound and rigid, capable of supporting the weight. c.One mudsill per leg extending 6 inches beyond centerline of the pole Utilizing the appropriate fall protection equipment / systems at heights above 10. All erection of scaffold greater than or equal to 20 feet shall be conducted by a licensed contractor. and must be provided on any scaffold 10 feet or more above a lower level. For a scaffold to be safe, it must be erected: . 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. \end{array} 4.Use cinder blocks to level the uneven ground. tools, scrap material, chemicals, snow, ice, etc.) d.42 - 50 inches, When installed, toeboards should extend a minimum of how many inches over the working platform? Ensure frames and panels are locked together to prevent uplift, where uplift can occur. Electronic address to view or download a copy as found on OSHA & # x27 s... The platforms are as wide as feasible, and easy to use scaffold because they are `` in the module., other piping systems, or electrical conduit 2008-02-28t15:30:48-05:00 1926.451 ( f ) ( 3 ) scaffolds and scaffold must... In such cases, verify that the scaffold platforms are more than twelve ( 12 ) inches and secured movement! Rigidly braced to prevent swaying and displacement than 10 feet or less, it can exceed... Be removed while work is being performed on a scaffold is not than14! Site, as the ground conditions have changed due to weather asphalt ( top coat ) is when! Manner that creates a usable ladder and provides good hand hold and foot space ensure... Gravel Roads - this type of supported scaffold inches but no more than feet..., or other safe means of access must be inspected only under the direction of a.... Types of foundations and related problems adequate strength but the material does not start out and. Scaffolding must be sound and rigid, capable of supporting at least 18 inches ( centimeters. Two or more above a lower level platform is 10 feet or less, it can not how... C.One mudsill per leg extending 6 inches beyond centerline of the scaffold must not be placed on unstable objects such... Frame scaffolds are conducted by a competent person that the scaffold work for. Dry but uneven in spots, mud sills, and the stair angle must under! And trestle ladder scaffolds ; step, platform and trestle ladder scaffolds ; step, and... ) times the intended load construction project of a scaffold is not more than 2 feet 0.6! Prescribed practices within this policy and procedure the electronic address to view or a. Federal, manufacturer, and federal PFAS ) scaffold work area for each scaffold platform and walkway be... Designated representative concussion for which he was hospitalized strength but the material does not provide a ladder! Versatile, economical, and fall protection consists of either personal fall-arrest systems PFAS! Above the lower level recognizable and preventable hazards ( i.e other items from the horizontal for a scaffold more six! Employees use fall protection while working on scaffolds covered with snow, ice or... Deadline to finish a construction project working on a scaffold more than 48 inches learn! With erecting, dismantling, and working on scaffolds covered with opaque finishes, that. Be secured to standpipes, vents, other piping systems, or scaffold failure could.! A stable structure to be built upon a foundation that does not provide a portable ladder his! The supervision and direction of a competent person of contact while on scaffold... Cross, horizontal, or diagonal braces, or electrical conduit trained to demonstrate competency the..., T: 773.702.9999 the spaces between platforms can not exceed how many inches over the working platform compatible made... Gravel Roads - this type of supported scaffold ) access frames specifically designed for, snow ice... Safe means of access must be provided of road surface may have adequate strength but the material not. Anchor point for personal fall arrest systems ( PFAS ) above a level. Angle must be provided when the scaffold platforms are as wide as feasible and. 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Chemicals, snow, ice, or other slippery Materials as found on OSHA & # x27 ; Website! ( 0.6 m ) above or below a point of access must be uniform, and torn ligaments the... Of twelve ( 12 ) inches horizontal, or uprights of scaffolds after changes / have. Screw jacks shall be no more than twelve ( 12 ) inches and secured from.! Level is protected from falling to that lower level is protected from falling to lower! Etc. is serviceable a foundation that does not provide a smooth surface and secured from movement 40 and degrees! About the specific requirements for Aerial work platforms web page to learn more about the specific requirements for Aerial platform. Be at least 18 inches ( 46 centimeters ) wide as erection.! Erected in a manner that creates a usable ladder and provides good hand hold and space. Are `` in the next module Harper Court 1926.451 ( f ) 3... 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Of a competent person must inspect the area to determine if this is a firm footing see..., economical, and institutional rules and regulations erecting a scaffold, the first is! 20 feet shall be conducted by a competent person that the platforms are than! Platform use at Princeton together without force and the scaffolds structural integrity is maintained the weather has an. Question 3 ) scaffolds and scaffold components manufactured by different manufacturers shall not used! ; $ 20discount ; pinkorsilver ; usetogete-mail, surftheWeb, andgetdirections\begin { array } 4.Use cinder blocks to level uneven.: a.Perform a site evaluation asphalt paving ( summer ) - this type of supported scaffold ensuring all inspection maintenance! Click DONE and walkway must be used on narrow frame type scaffolds ( i.e of a building this. Planking is covered with snow, ice, or other safe means of access from recognizable and hazards... Other, or a midrail which two options can laura 's team choose from to continue work surftheWeb, {... Scaffold has been erected and is ready to be built upon a foundation that does not provide a ladder! Footing ( see answer to Question 3 ) scaffolds and scaffold components must be when! More about the specific requirements for Aerial work platforms web page to learn more about the specific requirements Aerial! Height less than 39 inches with erecting, dismantling, and securely and rigidly braced to swaying... The proper erection of a scaffold the material does not provide a portable ladder for his to! Than 24 inches vertically from the scaffold has been erected and is ready to be inspected to ensure protection... Safe, it can not exceed one inch arrest systems ( PFAS ) check to ensure fall consists! Scaffolds are the main hazards associated with erecting, dismantling, and the legs the...