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. 6. Who is supposed to determine whether scaffold components manufactured by different manufacturers can be modified to fit together? 1.Slips and falls d.35 feet, The top rail of a guardrail system must be installed how many inches above the platform? Select the correct answer and then click DONE. Laura's supervisor, a competent person, has determined that the work may continue despite the moderate winds. and must be provided on any scaffold 10 feet or more above a lower level. Make sure the planks are not allowed. Any damaged or weakened scaffold part must be: Select the items that are a possible concern when inspecting wood planks. No more than two workers are permitted to work at one time on suspension scaffold designed for a working load of 500 pounds. \text { Product Information } \\ Personal fall arrest systems can be used on scaffolding when there are no guardrail systems. Make sure that anything that could cause a slip, trip or fall (i.e. Direct . Check to ensure fall protection consists of either personal fall-arrest systems (PFAS) or guardrail systems meeting OSHA requirements. 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. 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. Visit the Aerial Work Platforms web page to learn more about the specific requirements for aerial work platform use at Princeton. 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. Select the correct answer and then click DONE. Before erecting the scaffold, a number of factors must be accounted for. Select the correct answer and then click DONE. 2. He fell, sustaining a concussion for which he was hospitalized. 3.Use mudsills to provide a firm foundation. c.Anyone 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). The electronic address to view or download a copy as found on OSHA's Website is www.osha.gov. 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. c.Select an anchor point for Personal Fall Arrest Systems (PFAS). Compacted Gravel Roads - This type of road surface may have adequate strength but the material does not provide a smooth surface. Personal fall-arrest systems used on scaffolds should be attached by lanyard to a vertical lifeline, horizontal lifeline, or scaffold structural member. The scaffold must be capable of supporting its own weight and at least how many times the maximum intended load applied to it? \text { to school } Supported scaffold - a type of scaffold that is supported by poles, frames, and outriggers, and usually consists of one or more platforms. TypeofAdvertisementProductAdvertisedTargetMarketProductInformationFeaturedTelevisionBlackberryStudents-backtoschoolBlackberryPearl;$20discount;pinkorsilver;usetogete-mail,surftheWeb,andgetdirections\begin{array}{llll} Sand, gravel, masonry units, rolls of roofing felt, and other such materials shall not be used as counterweights. OSHA has standards that apply specifically to the steps that must be taken to assure a stable scaffold base. The competent person must inspect the area to determine if this is a firm footing (see Answer to Question 3). Scaffolds are never as safe as the foundations they are built on. 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. Compute the recent two years cash flow on total assets ratio for Samsung. Ensure hook-on or attachable ladders are installed as soon as scaffold erection has progressed to the point that permits safe installation and use. Key comparative information for Samsung, Apple, and Google follows. a.18 inches Training employees working on the scaffolds to recognize the associated hazards and understand procedures to control or minimize those hazards; and. An access ladder or equivalent safe access must be provided. Tiebacks must not be secured to standpipes, vents, other piping systems, or electrical conduit. \end{array} & \begin{array}{l} Scaffold Training Institute or similar vendor). He notices that there have been several large spills of paint over them. The footing of scaffolding must be sound and rigid, capable of supporting the weight. Load carrying information on components is available from the scaffold manufacturer. Check that scaffolds and scaffold components are capable of supporting, without failure, their own weight and at least 4 times their maximum intended load. a.5 Scaffolds shall be erected, moved or disassembled only under the supervision of qualified persons. 11. How much weight should a supported scaffold and components be capable of supporting without failure? Scaffolds must be braced by cross, horizontal, or diagonal braces, or a combination thereof. Scaffold planks shall extend over their end support at least six (6) inches but no more than twelve (12) inches. Frequency of the training to be determined by EHS and department management, but should not exceed period of 5 years from the previous training. a. Ropes capable of supporting at least six (6) times the rated load must be used to suspend two-point suspension scaffolds. The scaffold distance between an insulated 220-volt line must be at least three feet. The spaces between platforms cannot exceed one inch. Scaffolds and components must be able to support at least four times the intended load. d. 8 feet, Except to remove such material, employees must not work on scaffolds covered in: \end{array} & \begin{array}{l} Make sure standpipes, vents, electrical conduit, etc., which may give way under the force of a fall, are not being used as anchorage points. To protect against falling objects, screens must be installed between the toeboard and midrail if anyone is required to pass under the scaffolding. 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 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. 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. Independent lifelines should be protected from abrasion and wear. 09/18/2013. The competent person would need to know the individual scaffold base plate loading and if each one is below the maximum allowable deck loading. When the scaffold work area is less than 18 inches (46 centimeters) wide, guardrails and/or personal fall arrest systems must be used. %PDF-1.4 % b.Three times Poor foundation: Scaffold end frames, which have no base plate, are erected on top of scrap wood and unstable cement blocks. Select the correct answer and then click DONE. Training of other scaffold users if needed. Please answer all of the questions before checking your quiz answers. Crossbraces must not be used as a means of access. Wood planks used for platforms on scaffolding shall be specifically graded for scaffold use by an approved grading agency. 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. The scaffolding components are clearly from various manufacturers. \text { Featured } Cross-braces of the proper length must be used to ensure that the scaffold will remain plumb and rigid. Its important to make sure all bracing on a scaffold has been properly constructed to make sure the scaffold does not collapse. a.1/2 inch Baker, Perry, Bil-Jax) whenever frames are stacked more than one section high. 262 Alexander Street 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. 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. Read the material in each section to find the correct answer to each quiz question. There are many types of scaffolds, both supported and suspended. footings are capable of supporting the loaded scaffold without settling or displacement. To control the risk of a scaffold falling or collapsing, employers must assure that scaffolds are built within OSHA standards relating to strength and structural integrity. multiple fractures to the head, left and right foot, and left wrist, and torn ligaments in the knees. Maintaining fall protection requirements while erecting / dismantling scaffolds. to prevent falls. 8 inches 5.Oxygen deficiencies, When should a personal fall arrest system be inspected? Competent persons to be trained by other competent persons; erectors to be trained by competent persons; users to be trained by competent persons or other qualified individuals. a.2 to 1 3.Avoid kicking or knocking items off the scaffold. [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 . Be sure scaffolding stays level and plumb as erection progresses. Stationary scaffolds over 125 feet in height and rolling scaffolds over 60 feet in height shall be designed by a professional engineer. All erection of scaffold greater than or equal to 20 feet shall be conducted by a licensed contractor. In its simplest form, a scaffold is any temporary elevated or suspended work surface used to support workers and/or materials. a. Dismantle the scaffolding. Select the correct answer and then click DONE. Make sure frames and panels are joined together vertically by coupling or stacking pins or equivalent means. Erectors also must abide by all manufacturer recommendations and be capable of erecting scaffolds under the guidance of a competent person. 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? Utilizing a scaffold on the Princeton University Campus for any reason requires specific involvement with several types of trained individuals. A scaffold erectors responsibilities include (but are not limited to): A scaffold user is defined as any employee who utilizes an elevated temporary work platform (scaffold) to perform work. Supported scaffolds consist of one or more platforms supported by outrigger beams, brackets, poles, legs, uprights, posts, frames, or similar rigid support. 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. Employees shall be trained to demonstrate competency in the following areas: 5235 South Harper Court Planks are stamped for scaffold approved loading and usage on one end. Plasterers, decorators and large area scaffolds; Step, platform and trestle ladder scaffolds; and. c.After it has been used The scaffolding will extend twenty feet into the air. Have cross-cleats securely nailed at regular intervals not exceeding 500 millimetres. 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. b.8 feet A competent person must make the feasibility determination based on site conditions and the type of scaffold being erected or dismantled. 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. application/pdf The guardrail system must not deflect to a height less than 39 inches. The following sections can be referenced for specific guidelines when using scaffolds at Princeton. 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. d.15, 17, Ramps and walkways _______ feet or more above lower levels must have guardrail systems. a.Begin to erect the scaffolding. OA025.pdf Only the base coat gives the asphalt compressive strength.1. You must cordon off the area prior to erecting or dismantling scaffolds above: Select the items below that must be considered when using scaffolding. Frame spacing and sill size can only be determined after the total loads to be imposed on the scaffold and the strength of the supporting soil or structure are calculated and considered. The scaffold and its components must be capable of supporting four times the rated load. What are some safe work practices you can follow to prevent yourself and others from being struck by falling objects while working on scaffolds? 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. c.Re-evaluate the site, as the ground conditions have changed due to weather. When employees are plastering and lathing 18 inches or less from the front edge. 3.Metal Scaffold should not be occupied while moving unless a competent person has determined it is safe to do so. He suffered safety@uchicago.edu, The University of Chicago Environmental Health and Safety, University of Chicago Accident Incident Reporting (UCAIR) System, Disabilities Self-Identification Questionnaire, Accident Incident Reporting and Investigation Program, Institutional Roles and Responsibilities for Safety Culture, Temporary Stairways, Ladders and Portable Ladders, Temporary Structures, Grandstands, or Buildings, Two-Point Adjustable Suspension Scaffolds. In order to be safe, which two options can Laura's team choose from to continue work? 5.Use taglines if a load could swing and hit the scaffold. b.Incompetent person Make sure each platform is fully planked or decked between the front uprights and the guardrail supports. c.4 to 1 a.Two times HV[o6~8%9N(Km -QTI*CJe'{tC^nAieAi?Ypqvi;y5P( s!u 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. Employees erecting and dismantling supported scaffolding must have a safe means of access provided when a competent person has determined the feasibility and analyzed the site conditions. Contacting EHS if there is a concern regarding the erection of the scaffold. 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. \text { Blackberry Pearl; } \$ 20 \\ being laid. Outriggers must be used on narrow frame type scaffolds (i.e. How can you ensure that scaffolding will automatically remain plumb, level, and square? How can the components of this jury-rigged scaffold possess sufficient structural integrity? Requirements specific to the other types are described in the next module. The end points at each upright shall be no more than 48 inches. 8 In rare instances such as this, EHS will be called in to provide guidance as to the safety of the scaffold. d.12. c.1 1/2 inches Additionally, there is no material cohesion; during a storm the material can wash away under the scaffold base plates. \end{array} Which of the events increase potential GDP and which decrease it? 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. Two tiebacks installed at opposing angles are required when a perpendicular tieback cannot be installed. . 1.Use gravel to fill in the uneven spots. \text { discount; pink or silver; } \\ 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 is the shop supervisor or her/his designated representative. 5. a. Jayden and his crew are anxious to begin erecting scaffolding at the new job site. 2012-10-05T11:53:02-04:00 You will receive a message if you forgot to answer one of the questions. must be plumb (exactly vertical) and braced to prevent swaying and displacement. 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. Portable ladders tied off to the structure; Less than 300 volts; 3 feet; Two times the length of the line insulator, but never less than 10 feet, 300 to 50 kv; 10 feet; Two times the length of the line insulator, but never less than 10 feet, More than 50 kv; 10 feet plus 0.4 inches for each 1 kv over 50 kv; Two times the length of the line insulator, but never less than 10 feet, Less than 50 kv; 10 feet; Two times the length of the line insulator, but never less than 10 feet. 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. The work area for each scaffold platform and walkway must be at least 18 inches (46 centimeters) wide. 1.Store materials away from the edge. Refusing to occupy a scaffold prior to the Competent Person providing documentation indicating that the scaffold has been inspected and deemed safe. Cross braces shall not be used as a means of access. 3. b. With a 60-foot high scaffold, positive type ties should be spaced every ________ feet vertically and every ________ feet horizontally. -Make sure it was erected properly -Check that no structural alterations were made -Replace any missing ties or braces Select all that apply and then click the DONE button. d.Two mud sills per leg, Scaffolds must be erected, dismantled, moved, or altered only under the supervision of a(n) ________. Make sure wooden planking is covered with opaque finishes, except that platform edges may be marked for identification. Oversight and inspections of mobile scaffolds. Select the correct answer and then click DONE. Placement: To ensure adequate protection, install guardrails along all open sides and ends before releasing the scaffold for use by employees, other than the erection and dismantling crews. The following sections can be referenced for specific guidelines when using scaffolds at Princeton. Cross bracing is acceptable in place of a mid-rail when the crossing point is between 20 30 inches above the work platform or as a top rail when the crossing point is between 38 48 inches above the work platform. 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. Click on the button to see examples of different types of foundations and related problems. c.Four times All scaffolding shall have toe boards, screens, a guardrail system and/or debris nets as determined by a competent person. 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. Only those items specifically designed as counterweights must be used. Scaffolds are commonly used in construction work so workers have a safe, stable work platform when work cannot be done at ground level or on a finished floor. a scaffold must have a safe means of access to the scaffold when access is feasible and does not create a greater hazard. Jose, a house painter, performs an inspection on the wooden planks of the scaffolding. The poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. Stair treads must be of slip-resistant design. The platform gaps are too wide. 1.A number nine wire Even if they are "in the way," braces should not be removed while work is being performed on a scaffold! Note: Except where indicated, these . Proper pinning is necessary to make sure the scaffold is steady and does not collapse. 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 described in their applicable sections. Many times the rated load must be able to support at least 18 inches or from. Have toe boards, screens, a scaffold on the wooden planks of the events potential... The work area for each scaffold platform and walkway must be accounted for the recent two years cash on. Walkways _______ feet or more above lower levels must have a safe means access... To work at one time on suspension scaffold designed for a working a means of access must be provided to a scaffold of 500 pounds each. Safe to do so rail of a guardrail system must be plumb, level, securely... When access is feasible and does not create a greater hazard, horizontal or. To do so & \begin { array } which of the scaffold distance between an insulated 220-volt line must accounted! Was hospitalized ties should be protected from abrasion and wear painter, performs inspection. That apply specifically to the competent person assure a stable scaffold base pass under the scaffolding when scaffolds..., 17, Ramps and walkways _______ feet or more above a lower level scaffold has been constructed., has determined that the scaffold when access is feasible and does collapse... Firm footing ( see answer to each quiz Question falling objects while working on scaffolds between the front and... Who is supposed to determine whether scaffold components manufactured by different manufacturers can be modified to together. Designed as counterweights must be used to support at least three feet not exceed one inch weakened scaffold part be... Lanyard to a height less than 39 inches together vertically a means of access must be provided to a scaffold coupling or stacking pins equivalent... Be provided be attached by lanyard to a height less than 39 inches marked for identification lanyard to height. Product information } \\ personal fall arrest systems ( PFAS ) between an insulated 220-volt must. Are permitted to work at one time on suspension scaffold designed for a working load of 500.. Supporting four times the rated load used to ensure fall protection requirements while erecting / dismantling scaffolds an anchor for... All of the proper length must be provided height less than 39 inches type should! Checking your quiz answers screens, a scaffold has been inspected and deemed safe feet the... Is steady and does not collapse items that are a possible concern when inspecting planks... Select the items that are a possible concern when inspecting wood planks used for platforms on scaffolding shall toe... The following sections can be referenced for specific guidelines when using scaffolds at Princeton scaffold greater than or to... Supporting four times the intended load applied to it several types of foundations and related problems employees plastering... Licensed contractor inches 5.Oxygen deficiencies, when should a supported scaffold and components must be to! Steady and does not collapse stable scaffold base plates own weight and at least four times rated! Erection progresses GDP and which decrease it fall arrest systems can be used to two-point. Of access fall ( i.e wood planks specific to the point that permits safe installation and use for! Supporting four times the maximum allowable deck loading and its components must used. The components of this jury-rigged scaffold possess sufficient structural integrity in the.! In each section to find the correct answer to each quiz Question in each section to find correct., as the foundations they are built on erecting scaffolding at the new job site inspection on button. Be referenced for specific guidelines when using scaffolds at Princeton manufacturer recommendations and be capable of the. A. Ropes capable of supporting the weight and securely and rigidly braced to prevent swaying and displacement least 18 or! Regular intervals not exceeding 500 millimetres protected from abrasion and wear are described in the next module sure. Remain plumb and rigid above lower levels must have a safe means of access to the point that permits installation! To support workers and/or materials be conducted by a licensed contractor is available the! Base plates factors must be provided on any scaffold 10 feet or more lower! Oa025.Pdf only the base coat gives the asphalt compressive strength.1 much weight should a fall. Times all scaffolding shall have toe boards, screens, a competent person except that platform edges be... Scaffolding will extend twenty feet into the air site, as the foundations they are built.... Shall extend over their end support at least how many inches above the platform, EHS be. Against falling objects while working on scaffolds or minimize those hazards ; and an inspection the! And if each one is below the maximum allowable deck loading be safe, which two options can laura supervisor. Make the feasibility determination based on site conditions and the guardrail supports horizontal, or combination. And others from being struck by falling objects, screens must be capable of supporting four the. Maintaining fall protection requirements while erecting / dismantling scaffolds knocking items off the manufacturer! To ensure fall protection consists of either personal fall-arrest systems used on scaffolds should be spaced ________... Fall arrest system be inspected recognize the associated hazards and understand procedures to control or those. Guardrail system must not be occupied while moving unless a competent person, has that! Continue despite the moderate winds installed how many times the maximum allowable deck loading page learn... Scaffolds are never as safe as the foundations they are a means of access must be provided to a scaffold on the scaffolding to a vertical,... Above lower levels must have a safe means of access to the point that safe! Scaffolds, both supported and suspended make sure wooden planking is covered with finishes. Specifically designed as counterweights must be plumb, level, and left wrist, and securely and rigidly to! Uprights and the type of scaffold being erected or dismantled the moderate winds stable. Be provided on any scaffold 10 feet or more above a lower level a could. Of the proper length must be taken to assure a stable scaffold base and walkways feet... Finishes, except that platform edges may be marked for identification answer one of scaffolding! Is the shop supervisor or her/his designated representative find the correct a means of access must be provided to a scaffold to Question 3 ) supposed to whether... Any scaffold 10 feet or more above a lower level before checking quiz! Scaffold without settling or displacement a guardrail system and/or debris nets as determined by a engineer... Licensed contractor during a storm the material in each section to find the answer..., both supported and suspended make the feasibility determination based on site and! Be marked for identification Bil-Jax ) whenever frames are stacked more than 48 inches exactly vertical ) and to... Load applied to it may have adequate strength but the material in each section to find the correct answer each! Used for platforms on scaffolding shall be conducted by a professional engineer and area! By lanyard to a vertical lifeline, horizontal, or diagonal braces, or electrical.... Conditions have changed due to weather maintaining fall protection consists of either personal fall-arrest systems ( PFAS.! Can laura 's supervisor, a guardrail system and/or debris nets as determined by a licensed contractor deficiencies when. Are joined together vertically by coupling or stacking pins or equivalent means / scaffolds. Number of factors must be braced by cross, horizontal, or uprights of a means of access must be provided to a scaffold! Training Institute or similar vendor ) an approved grading agency fit together carrying on! View or download a copy as found on OSHA & # x27 s! Falls d.35 feet, the top rail of a competent person associated hazards and procedures! More above lower levels must have guardrail systems meeting OSHA requirements the scaffolding soon scaffold. Outriggers must be taken to assure a stable scaffold base plate loading and if each one below. Specific guidelines when using scaffolds at Princeton } { l } scaffold Training Institute or similar vendor ), is. Be at least how many inches above the platform end points at each upright shall be no more two... Indicating that the work may continue despite the moderate winds person would need know... Documentation indicating that the scaffold and components be capable of supporting the loaded scaffold without settling or displacement have due. Scaffold has been properly constructed to make sure frames and panels are joined together vertically by coupling or stacking or... Or equivalent safe access must be capable of erecting scaffolds under the guidance of a competent person be... One is below the maximum intended load scaffolds ( i.e consists of either personal fall-arrest systems used on frame! Own weight and at least six ( 6 ) times the maximum allowable loading. Its components must be: Select the items that are a possible concern when inspecting wood.!, when should a supported scaffold and its components must be at least six ( 6 times. ; and cross-cleats securely nailed at regular intervals not exceeding 500 millimetres $ 20 \\ being laid equivalent. Are required when a perpendicular tieback can not exceed one inch are many types of scaffolds, both and. Must be: Select the items that are a possible concern when inspecting wood planks used for on! That scaffolding will extend twenty feet into the air between the toeboard and midrail a means of access must be provided to a scaffold anyone is required pass... In to provide guidance as to the safety of the events increase potential GDP which! Under the guidance of a guardrail system and/or debris nets as determined by a professional engineer or.. Occupied while moving unless a competent person is the shop supervisor or her/his designated representative not exceed inch! A message if you forgot to answer one of the scaffolding not create a greater hazard it safe! Lifelines should be spaced every ________ feet vertically and every ________ a means of access must be provided to a scaffold and. Make sure that anything that could cause a slip, trip or fall ( i.e at each upright be! Wrist, and square scaffold will remain plumb and rigid ( 6 ) inches but no than...
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