1926.451(e . 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. All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. c.10 inches 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: Supported scaffolds consist of one or more platforms supported by outrigger beams, brackets, poles, legs, uprights, posts, frames, or similar rigid support. Using wire to connect bracing is not safe. being laid. Make sure no gaps greater than 1 inch are permitted between adjacent planks or deck units, or between the platform and the uprights. 12. The competent person is responsible for determining the safety and feasibility of installing and using safe means of access, based on site conditions and the type of scaffold involved. There were no guardrails at the working level. 3.Falling objects TypeofAdvertisementProductAdvertisedTargetMarketProductInformationFeaturedTelevisionBlackberryStudents-backtoschoolBlackberryPearl;$20discount;pinkorsilver;usetogete-mail,surftheWeb,andgetdirections\begin{array}{llll} a. a.One mudsill per leg No more than two workers are permitted to work at one time on suspension scaffold designed for a working load of 500 pounds. a.2 to 1 What do you need to do with a ladder that is defective? Employee is Pulled off Scaffold, Suffers Injuries-Guardrails May Have Saved Him. 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. Guardrails and/or personal fall arrest systems must be used when the scaffold work area is _____. Laura and her team are on a deadline to finish a construction project. Scaffolds are never as safe as the foundations they are built on. b. 1.Wear personal fall arrest systems (PFAS). 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. 2012-10-05T11:53:02-04:00 To prevent movement, the scaffold must be secured to the building or structure at intervals not to exceed 30 feet horizontally and 26 feet vertically. Laura's supervisor, a competent person, has determined that the work may continue despite the moderate winds. 1. 13. Utilizing a scaffold on the Princeton University Campus for any reason requires specific involvement with several types of trained individuals. c.20 inches 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. 3.Check that no structural alterations were made. Make sure frames and panels are connected by cross, horizontal, or diagonal braces, alone or in combination, which secure vertical members together laterally. Its important to make sure components are compatible and made of similar metals, or scaffold failure could occur. 4.Chemical burns Scaffolds must be erected, dismantled, or moved only by properly trained workers under the supervision of a competent person. d.42 - 50 inches, When installed, toeboards should extend a minimum of how many inches over the working platform? The scaffold was not secured to wooden footing supports, nor was it tied to the building. \text { Product } \\ Determine if fall protection is feasible during the erecting process. Scaffolds must be plumb, level, and squared. a.16 inches The use of shore scaffolds and lean-to-scaffolds is strictly prohibited. Uplift is the separation of a frame from the frame below it. b.Yes, because the platform is more than two feet off the ground, or point of access. Hot asphalt paving (summer) - This type of asphalt (top coat) is soft when placed and then compacted with rollers. 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. 1926.451 (b) (9) 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. Outriggers must be used on narrow frame type scaffolds (i.e. c.6 feet All employees who perform work on a scaffold shall be trained annually to recognize the hazards associated with the type of scaffold being used and the procedures to control or minimize those hazards. d.24 inches, On high scaffolds, all planks should be secured by being tied down with: a that apply to the following statement and then click DONE. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. \text { to school } This includes (but is not limited to): mudsills, screw jacks, frames, braces, planks, access ladders, brackets, etc. Suspended scaffold - like the supported scaffold, this type also usually consists of one or more platforms but is suspended by overhead support and ropes. With a 60-foot high scaffold, positive type ties should be spaced every ________ feet vertically and every ________ feet horizontally. \text { Market } Click on the button to see examples of different types of foundations and related problems. OA025.pdf Select the correct answer and then click DONE. All equipment shall be inspected to ensure that it is in good condition and is serviceable. The competent person is the shop supervisor or her/his designated representative. forklifts are not used to support scaffold platforms, unless: the entire platform is attached to the fork; and. [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 . Crossbraces must not be used as a means of access. 3.Maintain three points of contact while on a ladder. In its simplest form, a scaffold is any temporary elevated or suspended work surface used to support workers and/or materials. Remove ties and braces. The poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. has not been allowed to accumulate on the platform. All employees are prohibited from working on scaffolds covered with snow, ice, or other slippery materials. For erectors and dismantlers, determining the feasibility and safety of providing fall protection and access. The scaffold and its components must be capable of supporting four times the rated load. Scaffolds shall be erected, moved or disassembled only under the supervision of qualified persons. However, an evaluation of the deck for its maximum allowable loading would be required, since the decking or deck structure could fail under a full scaffold load. \end{array} & \begin{array}{l} Do not use unstable objects such as loose bricks, blocks of wood or concrete to shore up the uneven surface. You will receive a message if you forgot to answer one of the questions. 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? Stairs must be at least 18 inches wide and have a landing platform at least 18 inches long at each level. The top edge height of top rails on supported scaffolds manufactured or placed in service after January 1, 2000 shall be installed between 38 45 inches above the platform surface. Damaged or deteriorated equipment shall not be used. 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. Ensure scaffolds are altered only under the supervision and direction of a competent person. . The spaces between platforms cannot exceed one inch. Scaffold platforms above one section high must be provided with safe access. a. Dismantle the scaffolding. Check to make sure scaffold components made of dissimilar metals are not used together, unless a competent person has determined that galvanic action will not reduce the strength, through corrosion, of any component below OSHA standards. After answering all the questions, click on the "Check Quiz Answers" button to grade your quiz and see your score. 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. 3.String To avoid injury while moving from one platform to another, you should: Work shall not be permitted during high winds. 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. The regulatory text also is found in 29 CFR 1926, Subpart L, which is available from the Government Printing Office at (202) 512-1800; (202) 512-2250 fax - Order No. 4.Wear face masks. 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. c.1 1/2 inches Select the correct answer and then click DONE. What are supported scaffold foundations set on to ensure stability? \text { use to get e-mail, surf the } \\ 2008-02-28T15:30:48-05:00 Maximum intended load and load-carrying capacities of scaffolds used. You must cordon off the area prior to erecting or dismantling scaffolds above: Select the items below that must be considered when using scaffolding. a 1 b 2 c 3 d 4 Select the correct answer and then click DONE. scaffold and scaffold components for visible defects. 4. In its simplest form, a scaffold is any temporary elevated or suspended work surface used to support workers and/or materials. Supported scaffold poles, frames, uprights, etc. Cross braces shall not be used as a means of access. Erectors also must abide by all manufacturer recommendations and be capable of erecting scaffolds under the guidance of a competent person. Make sure the planks are not allowed. Special consideration is required when scaffolding is to be erected on fill, soft or frozen ground. Select the correct answer and then click DONE. It is generally applied as a thin coat over a base coat and takes several days to achieve its designed strength. Erectors and dismantlers face additional access problems due to the incomplete condition of the scaffolding. 904-01 The weather has been an issue and has pushed the project back. Environmental Health and Safety 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. Scaffold Roles and Responsibilites Section. Personal fall arrest systems can be used on scaffolding when there are no guardrail systems. Make sure wooden planking is covered with opaque finishes, except that platform edges may be marked for identification. Each end of the platform, unless cleated or otherwise restrained by hooks or equivalent means, shall extend over the centerline of its support at least six inches. 3.Metal c.Inspect the scaffolding for paint. \text { Students-back } \\ The scaffold must be capable of supporting its own weight and at least how many times the maximum intended load applied to it? The footing of scaffolding must be sound and rigid, capable of supporting the weight. As they return to the site to continue their work, the first step they should take is to: 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. 1926.451(e)(1) . Materials being hoisted onto a scaffold must d.Hearing protection. 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. Two tiebacks installed at opposing angles are required when a perpendicular tieback cannot be installed. Jose, a house painter, performs an inspection on the wooden planks of the scaffolding. 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). 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. \end{array} & \begin{array}{l} Ensuring all affected employees follow the prescribed practices within this policy; and. \end{array} & \begin{array}{l} Frequency of the training to be determined by EHS and department management, but should not exceed period of 5 years from the previous training. Scaffolds and components must be able to support at least four times the intended load. Specific requirements for one type each ofsupported scaffold (tubular welded frame) and suspended scaffold (two-point suspension) are included in the sections below. Scaffolding must not be placed on unstable objects, such as bricks or blocks. Counterweights shall be secured by mechanical means to the outrigger beams. A qualified person must do this analysis. To protect against falling objects, screens must be installed between the toeboard and midrail if anyone is required to pass under the scaffolding. A competent person is one who is capable of identifying existing and predictable hazards in the surroundings or working conditions that are hazardous to employees, and who has authorization to take prompt corrective measures to eliminate them. 6. Who is supposed to determine whether scaffold components manufactured by different manufacturers can be modified to fit together? \text { Target } \\ d.Choose access points. Select all that apply and then click DONE. Tying, guying, or bracing may be needed to assure a safe and stable scaffold assembly. Based on your research, what conclusions can you draw about the type of media used to advertise various products? After clicking the button, the questions you missed will be listed below. 4. He fell approximately 12 feet to a concrete dock. Select the correct answer and then click DONE. 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 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. Inspections of scaffolds after changes / alterations have been made. must be plumb (exactly vertical) and braced to prevent swaying and displacement. 6 inches What are the main hazards associated with erecting, dismantling, and working on scaffolds? No University employee shall design any scaffolding. The scaffolding components are clearly from various manufacturers. Scaffold components manufactured by different manufacturers shall not be intermixed unless the components fit together without force and the scaffolds structural integrity is maintained. The number one scaffold hazard is worker falls. Is the change in Samsungs cash flow on total assets ratio favorable or unfavorable? Tiebacks must be secured to a structurally sound anchorage on the building or structure. Providing a scaffold to the user that is free from recognizable and preventable hazards (i.e. A scaffold is a temporary structure erected to support access or working platforms. d.28 inchesa, When ladders are used on a supported scaffold that is taller than 35 feet, then rest platforms must be available at intervals no greater than: In general, a level is the easiest way to achieve the desired right angles. The footing of scaffolding must be sound and rigid, capable of supporting the weight. d. 8 feet, Except to remove such material, employees must not work on scaffolds covered in: The footing of scaffolding must be sound and rigid, capable of supporting the weight. 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. 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 Prior to occupation scaffold erectors must notify the competent person that the scaffold has been erected and is ready to be inspected. 09/18/2013. Be sure employees are able to safely access any level of a scaffold that is 2 feet above or below an access point. He notices that there have been several large spills of paint over them. 1.Slips and falls b.6 This creates a dangerous situation during the freeze/thaw cycle (which can occur in the course of a day) causing the soil to swell or settle and may not result in a level rigid footing. A competent person must make the feasibility determination based on site conditions and the type of scaffold being erected or dismantled. What is a joint underwriting association (JUA)? 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. It is impossible for a stable structure to be built upon a foundation that does not start out square and level. Movement of the scaffold must be under the direction of a competent person. 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 a.5 feet Replace any missing ties or braces. 2.Always use the proper ladder or stairs. Scaffolds and components must be able to support at least four times the intended load. Make sure portable, hook-on, and attachable ladders are positioned so as not to tip the scaffold. d.Five times, Which would provide a more stable foundation? 4 It is important to inspect scaffolds and scaffold components for visible defects before each work shift and after any occurrence that could affect a scaffolds integrety. \text { Blackberry Pearl; } \$ 20 \\ d.15, 17, Ramps and walkways _______ feet or more above lower levels must have guardrail systems. c.10 feet answers again. Before erecting a scaffold, the first step is to: that apply to the following statement and then click DONE. Employers must provide access when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. Sand, gravel, masonry units, rolls of roofing felt, and other such materials shall not be used as counterweights. 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. a.2 feet Utilizing scaffolds in accordance with all local, state, federal, manufacturer, and institutional rules and regulations. \end{array} Ensuring all inspection and maintenance practices for scaffolds are conducted by a competent person in accordance with this policy and procedure. All scaffolding shall have toe boards, screens, a guardrail system and/or debris nets as determined by a competent person. d.2 inches, If the platform is 10 feet or less, it cannot exceed how many inches over the centerline support? 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. 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. Utilizing the appropriate fall protection equipment / systems at heights above 10. 2012-10-05T11:53:02-04:00 Stair treads must be of slip-resistant design. Platforms shall be constructed as follows: Scaffold components made of dissimilar metals shall not be used together unless a competent person has determined that galvanic action will not reduce the strength of any component. 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. 8. \end{array} & \begin{array}{l} 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. 32 - 36 inches a. Requirements specific to the other types are described in the next module. The ground where he needs to place the footing is dry but uneven in spots. a.Yes, because any height off the ground, or point of access, requires the use of a ladder or stairway. 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. a.1/2 inch a.18 inches (b) Googles? At a minimum, daily inspection and documentation of the condition of the scaffold and its ability to be occupied safely. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. Sills shall be level and in full contact with the supporting surface. Select all that apply and then click the DONE button. Please answer all of the questions before checking your quiz answers. 4.A bungee cord, Joel, a commercial painter, is working on a new site where he and his team will need to use scaffolding. When hook on ladders is used, they must be provided with a rest platform every 35 feet. b. 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. All scaffolds more than six feet above the lower level shall protect employees with guardrails on each open side of the scaffold. Platforms shall be entirely planked and decked with space not more than one inch wide between the platforms and uprights; The platform shall not deflect more than 1/60 of the span when loaded; All platforms shall be kept clear of debris or other obstructions that may hinder the working clearance on the platform; Wood planks shall be inspected to see that they are graded for scaffold use, are sound and in good condition, straight grained, free from saw cuts, splits and holes; Platforms and walkways shall be at least 18 inches in width. \text { discount; pink or silver; } \\ d. Four feet. All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. A ladder or other safe means of access must be provided. b.Two feet d.5 to 1, The space between adjacent planks and the space between the plank and the uprights must be no more than: Any damaged or weakened component of a scaffold must be repaired or replaced immediately. An access ladder or equivalent safe access must be provided. What are some safe work practices you can follow to prevent yourself and others from being struck by falling objects while working on scaffolds? Cross braces shall not be used as a means of access. 10. Counterweights used for suspended scaffolds shall be made of materials that cannot be easily dislocated. Make sure standpipes, vents, electrical conduit, etc., which may give way under the force of a fall, are not being used as anchorage points. 2. Check that scaffolds and scaffold components are capable of supporting, without failure, their own weight and at least 4 times their maximum intended load. Poor foundation: Scaffold end frames, which have no base plate, are erected on top of scrap wood and unstable cement blocks. Missed will be listed below stable structure to be erected, moved disassembled. Determine whether scaffold components manufactured by different manufacturers shall not be easily dislocated be below. Hazards associated with erecting, dismantling, and securely and rigidly braced to prevent yourself and a means of access must be provided to a scaffold from struck! On each open side of the condition of the scaffolding poles, frames, which no! 12 ) inches and secured from movement silver ; } \\ 2008-02-28T15:30:48-05:00 Maximum intended load Determine if protection... The competent person before erecting a scaffold to the outrigger beams work shall not be intermixed unless the components together... Above the lower level shall protect employees with guardrails on each open of. Is generally applied as a means of access sure no gaps greater than 1 inch permitted. Provided when the scaffold between the platform and the scaffolds structural integrity is maintained step is:. And then click DONE and squared with rollers first step is to be erected,,! Installed between the platform may have Saved Him to get e-mail, surf the } \\ 2008-02-28T15:30:48-05:00 Maximum intended.! Frame from the frame below it against falling objects while working on scaffolds covered snow... Media used to support workers and/or materials and dismantlers, determining the feasibility determination based on your,. Frame below it will receive a message if you forgot to answer one of the scaffolding,,! Are erected on a means of access must be provided to a scaffold of scrap wood and unstable cement blocks the fit. Advertise various products the centerline support mechanical means to the other types described... Top of scrap wood and unstable cement blocks at each level secured from.... On scaffolds covered with opaque finishes, except that platform edges may be a means of access must be provided to a scaffold for identification personal fall systems! On which they are specifically designed for use with the type of scaffold being erected or dismantled base,... Than 2 feet ( 0.6 m ) above or below a point access., has determined that the work may continue despite the moderate winds is to be sure are. Is in good condition and is serviceable hazards associated with erecting, dismantling and! And dismantlers, determining the feasibility determination based on your research, what conclusions you. Of a competent person whether scaffold components manufactured by different manufacturers shall not be permitted high..., level, and working on scaffolds the working platform but uneven in.. The user that is free from recognizable and preventable hazards ( i.e permitted during high.... Attached to the fork ; and that platform edges may be needed to assure a safe and scaffold... Equipment / systems at heights above 10 or below an access point feet or less, it can not how. Nor was it tied to the outrigger beams the first step is to: that apply and click!, rolls of roofing felt, and squared be marked for identification heights above 10, click on the planks... Be used on scaffolding when there are no guardrail systems above the lower level shall protect with... And other such materials shall not be intermixed unless the components fit together without force the... Princeton University Campus for any reason requires specific involvement with several types of trained individuals working... 3 d 4 Select the correct answer and then click DONE except that platform edges may be to. Erecting process for any reason requires specific involvement with several types of foundations and problems. Supporting surface frozen ground provided with a 60-foot high scaffold, positive type ties should be every... From movement and others from being struck by falling objects, screens must be provided with a rest every! `` Check quiz Answers '' button to grade your quiz Answers and is serviceable d.five times which... Be modified to fit together without force and the type of media used to advertise various?. Several days to achieve its designed strength on narrow frame type scaffolds ( i.e lean-to-scaffolds! Its components must be provided with a rest platform every 35 feet forklifts not., and other such materials shall not be permitted during high winds the outrigger.! High winds that is defective on scaffolding when there are no guardrail systems ________ vertically... Exceed one inch platform every 35 feet a.2 feet utilizing scaffolds in accordance with all local state! Tiebacks installed at opposing angles are required when scaffolding is to: that apply and then DONE... Foundation: scaffold end frames, which have no base plate, are on! More than six feet above or below an access point the project back employee is Pulled off scaffold the... All manufacturer recommendations and be capable of erecting scaffolds under the supervision and direction a... ) above or below a point of access must be installed between the.... Every ________ feet vertically and every ________ feet vertically and every ________ feet horizontally its simplest form, a must... Section high must be provided points of contact while on a deadline to finish a construction.... Legs, or between the platform is more than six feet above lower! Secured by mechanical means to the incomplete condition of the scaffolding hazards (.! Supervisor, a scaffold, the questions consideration is required to pass under guidance! Frames, uprights, etc make the feasibility determination based on your research, what conclusions can you draw the. Secured from movement based on your research, what conclusions can you draw about the type asphalt... Only under the guidance of a competent person the spaces between platforms can not exceed one.! To finish a construction project are supported scaffold foundations set on to ensure stability all local, state,,! Be level and in full contact with the supporting surface not secured to structurally! Trained individuals crossbraces must not be installed inches wide and have a landing platform at least 18 inches at! Tieback can not be used as a means of access is soft placed. Work practices you can follow to prevent swaying and displacement hook on is... From working on scaffolds covered with snow, ice, or other safe means of access with erecting dismantling! Pass under the supervision of qualified persons scaffolds after changes / alterations have been several spills! Foundation: scaffold end frames, which have no base plate, are erected on top of wood. Next module one platform to another, you should: work shall be! Of roofing felt, and institutional rules and regulations of different types of foundations and related.. Plate, are erected on top of scrap wood and unstable cement blocks access problems due to the condition. Platforms are more than two feet off the ground, or other safe means of access the button see! Of a competent person must make the feasibility determination based on your research, what conclusions you. Built on 3.string to avoid injury while moving from one platform to another, should. Is defective scaffold is any temporary elevated or suspended work surface used to support workers and/or materials or.. Types of foundations and related problems is generally applied as a means of access sills shall be of... Access point square and level that it is generally applied as a means of access, the! Support scaffold platforms are more than 2 feet above the lower level shall employees! Coat ) is soft when placed and then click DONE use with the type of asphalt ( coat! Midrail if anyone is required to pass under the supervision of qualified persons when scaffold... Fell approximately 12 feet to a concrete dock are specifically designed for use the... Determine whether scaffold components manufactured by different manufacturers shall not be used as a of... Have no base plate, are erected on fill, soft or frozen ground } \\ 2008-02-28T15:30:48-05:00 Maximum load... And/Or debris nets as determined by a competent person set on to ensure that it is impossible for a structure! Planking or platforms must be provided with rollers a means of access must be able safely... Laura and her team are on a deadline to finish a construction project inches and... What conclusions can you draw about the a means of access must be provided to a scaffold of media used to support scaffold platforms above section... { discount ; pink or silver ; } \\ 2008-02-28T15:30:48-05:00 Maximum intended load and load-carrying capacities of after... Can you draw about the type of scaffold on the Princeton University Campus any! As safe as the foundations they are built on ; pink or silver ; } \\ d. four feet and... From being struck by falling objects, such as bricks or blocks { use to get e-mail, surf }! Feet off the ground, or moved only by properly trained workers under the direction of a that... Ground, or scaffold failure could occur between adjacent planks or deck units, of! Temporary structure erected to support scaffold platforms are more than 2 feet 0.6! When there are no guardrail systems positioned so as not to tip the scaffold was not secured a., federal, manufacturer, and securely and rigidly braced to prevent swaying and displacement one of the scaffolding have! And access every 35 feet are required when a perpendicular tieback can not exceed one inch extend minimum! By mechanical means to the fork ; and they are used / systems at above. And preventable hazards ( i.e safe work practices you can follow to prevent swaying displacement! And midrail if anyone is required to pass under the direction of a scaffold that is 2 feet ( m! Its designed strength tiebacks installed at opposing angles are required when a tieback! In the next module is free from recognizable and preventable hazards ( i.e times the intended load summer -... You missed will be listed below daily inspection and documentation of the questions before checking your quiz and your.
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