\text { Product Information } \\ The standard requires employers to protect each employee on a scaffold more than 10 feet (3.1 m) above a lower level from falling to that lower level. As they return to the site to continue their work, the first step they should take is to: \end{array} & \begin{array}{l} Select all that apply and then click DONE. 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: You must cordon off the area prior to erecting or dismantling scaffolds above: 1.People
answers again. The scaffold and its components must be capable of supporting four times the rated load. 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. 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. 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. No more than two workers are permitted to work at one time on suspension scaffold designed for a working load of 500 pounds. 262 Alexander Street 8. Before erecting the scaffold, a number of factors must be accounted for. All scaffolds and their components must support without failure its own weight and at least four times the maximum intended load applied or transmitted to the scaffold. One means to support students is through the use of language scaffolds, which temporarily support students' language use in the classroom. 2. c.One mudsill per leg extending 6 inches beyond centerline of the pole The scaffolding components are clearly from various manufacturers. a.2 to 1 Hot asphalt paving (summer) - This type of asphalt (top coat) is soft when placed and then compacted with rollers. When erecting or dismantling supported scaffolds, a safe means of access shall be provided when a competent person has determined the feasibility and analyzed the site conditions. Load carrying information on components is available from the scaffold manufacturer. Single-point adjustable suspension scaffolds. 1926.451 (f)(3) Scaffolds and scaffold components must be inspected for visible . c.13, 15 Employers must provide access when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. Before erecting a scaffold, the first step is to: that apply to the following statement and then click DONE. 4.Use tow lines to raise or lower tools and equipment. Sills shall be level and in full contact with the supporting surface. application/pdf 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 Maximum intended load and load-carrying capacities of scaffolds used. 6 inches In its simplest form, a scaffold is any temporary elevated or suspended work surface used to support workers and/or materials. 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. c.Anyone 4.Chemical burns 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". a. Then this must be inspected when conditions change, such as sunny conditions, warming temperatures, etc. The victim was climbing the end-frame of a three-tiered metal scaffold when a midrail pulled loose. \end{array} & \begin{array}{l} 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. With a 60-foot high scaffold, positive type ties should be spaced every ________ feet vertically and every ________ feet horizontally. He fell approximately 12 feet to a concrete dock. Scaffold collapse The proper erection of a scaffold is essential in preventing this particular hazard. PScript5.dll Version 5.2.2 ). Ensuring all affected employees follow the prescribed practices within this policy; and. Wood planks used for platforms on scaffolding shall be specifically graded for scaffold use by an approved grading agency. 4.A bungee cord, Joel, a commercial painter, is working on a new site where he and his team will need to use scaffolding. A competent person must make the feasibility determination based on site conditions and the type of scaffold being erected or dismantled. 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. Make sure all brace connections are properly secured to prevent dislodging. or strike the scaffold with tools, materials, etc. All other components must be capable of supporting at least four (4) times the rated load. 6. Who is supposed to determine whether scaffold components manufactured by different manufacturers can be modified to fit together? When inspecting the surface conditions where the scaffolding will be erected, ask yourself: All wood planks used on scaffolds should be rated what grade? Make sure each platform is fully planked or decked between the front uprights and the guardrail supports. 3. Utilizing scaffolds in accordance with all local, state, federal, manufacturer, and institutional rules and regulations. a.15 feet Stair treads must be of slip-resistant design. To protect against falling objects, screens must be installed between the toeboard and midrail if anyone is required to pass under the scaffolding. 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. At what height must employees use fall protection while working on a scaffold? 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? 2.Electrical Scaffolding must not be placed on unstable objects, such as bricks or blocks. 13. \end{array} & \begin{array}{l} Specific requirements for one type each ofsupported scaffold (tubular welded frame) and suspended scaffold (two-point suspension) are included in the sections below. 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.24 inches Select the correct answer and then click DONE. b.Incompetent person d.5 to 1, The space between adjacent planks and the space between the plank and the uprights must be no more than: Utilizing the appropriate fall protection equipment / systems at heights above 10. 2.Rubber Separation of frames can occur in high winds (uplift), or when workers climb endframes, overload the platform, A light weight supported scaffold could be used on wood decking when the competent person has determined the structure would support the scaffold and its entire load. Which of the events increase potential GDP and which decrease it? The footing of scaffolding must be sound and rigid, capable of supporting the weight. 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 surfaces. tools, scrap material, chemicals, snow, ice, etc.) Materials being hoisted onto a scaffold must The use of shore scaffolds and lean-to-scaffolds is strictly prohibited. Scaffolds shall be erected, moved or disassembled only under the supervision of qualified persons. Make sure portable, hook-on, and attachable ladders are positioned so as not to tip the scaffold. Inspecting all scaffold components prior to assembly to insure that components used are of similar material and in good repair before becoming a part of the completed scaffold. Select the correct answer and then click DONE. 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. Based on your research, what conclusions can you draw about the type of media used to advertise various products? b.Two feet d.12. Scaffolds and components must be able to support at least four times the intended load. 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. 2008-02-28T15:30:48-05:00 Requirements for Access to Scaffolds. Design and preplanning of the scaffold including weight limitations, scaffold type, fall protection, tie-offs, supports, etc. 1926.451(e . Wood decking - This may lend itself for use as a foundation. 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. 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. Frequency of the training to be determined by EHS and department management, but should not exceed period of 5 years from the previous training. Scaffold Training Institute or similar vendor). 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. and must be provided on any scaffold 10 feet or more above a lower level. d.Two mud sills per leg, Scaffolds must be erected, dismantled, moved, or altered only under the supervision of a(n) ________. \text { Product } \\ The team has been unable to work on the project due to heavy rain over the last two days. Direct access is acceptable when the scaffold is not more than14 inches horizontally and not more than 24 inches vertically from the other surfaces. The scaffold distance between an insulated 220-volt line must be at least three feet. [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 . You must cordon off the area prior to erecting or dismantling scaffolds above: Select the items below that must be considered when using scaffolding. 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. The riser height must be uniform, and the stair angle must be between 40 and 60 degrees from the horizontal. Is it safe for Giovanni and his team to use the scaffolding? A means of access must be provided when the scaffold platform is more than how many feet above or below a point of access? Included here are general requirements for all scaffolds. Each worker 10 feet (3.1 meters) above a lower level must be protected from falling by a personal fall arrest system when working from a boatswain's chair, ladder jack, needle beam, float, or catenary scaffolds. Select the correct answer 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. What must ramps and walkways 6 feet or more above lower levels be equipped with? Counterweights shall be secured by mechanical means to the outrigger beams. Scaffolding must not be placed on unstable objects, such as bricks or blocks. 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. 10, 15 Training of other scaffold users if needed. Scaffolds must be erected, dismantled, or moved only by properly trained workers under the supervision of a competent person. 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 Be sure employees are able to safely access any level of a scaffold that is 2 feet above or below an access point. Cross-braces of the proper length must be used to ensure that the scaffold will remain plumb and rigid. \text { Featured } How much weight should a supported scaffold and components be capable of supporting without failure? 5.Use taglines if a load could swing and hit the scaffold. foundations are set on base plates, mud sills, and other adequate firm foundations. 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. 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. Cross braces shall not be used as a means of access. When are workers on scaffolding most vulnerable to fall hazards? 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 front end of all platforms are less than 14 inches from the face of the work; and. Stairways must: have the stringers with a maximum slope of 60 degrees from the horizontal handrail on the open side of each flight Ramps used to access scaffolds must: Have a slope gradient not exceeding 1 in 3. Acrobat Distiller 7.0.5 (Windows) No University employee shall erect scaffold greater than or equal to 20 feet. a.Steel-toed boots 2012-10-05T11:53:02-04:00 Prior to occupation scaffold erectors must notify the competent person that the scaffold has been erected and is ready to be inspected. 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. 8 1.Store materials away from the edge. 3.Use mudsills to provide a firm foundation. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. He fell, sustaining a concussion for which he was hospitalized. Scaffold Roles and Responsibilites Section. By itself it is not normally a useable foundation material. Employers must ensure that: 4. 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. 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Barbara and her team erected scaffolding outside of a building earlier this week. 2.Use bricks to bring the scaffolding level. Cross braces shall not be used as a means of access. Note: Except where indicated, the same basic scaffold requirements that appear in this module also apply to manually propelled, pump jack, ladder jack, tube and coupler, and pole scaffolds, as well as the specialty scaffolds described in this course. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. 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. Guardrails shall be installed along the open sides and ends before releasing the scaffold for use by the employees, other than erection or dismantling crews. After clicking the button, the questions you missed will be listed below. Read the material in each section to find the correct answer to each quiz question. c.No, because the platform is less than three feet from the ground, or point of access. A ladder or other safe means of access must be provided. Only those items specifically designed as counterweights must be used. A scaffold is a temporary structure erected to support access or working platforms. d.Add additional poles to support the scaffolding. Ensuring all inspection and maintenance practices for scaffolds are conducted by a competent person in accordance with this policy and procedure. b. 7. a.5 feet Make sure frames and panels are joined together vertically by coupling or stacking pins or equivalent means. 3.String d.15, 17, Ramps and walkways _______ feet or more above lower levels must have guardrail systems. Key comparative information for Samsung, Apple, and Google follows. d.Hearing protection. . 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. When hook on ladders is used, they must be provided with a rest platform every 35 feet. Scaffold should not be occupied while moving unless a competent person has determined it is safe to do so. Ensure hook-on or attachable ladders are installed as soon as scaffold erection has progressed to the point that permits safe installation and use. Check that steps and rungs of ladders and stairway-type ladders line up vertically with each other between rest platforms. Outriggers must be used on narrow frame type scaffolds (i.e. 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. 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. multiple fractures to the head, left and right foot, and left wrist, and torn ligaments in the knees. 3.Check that no structural alterations were made. 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. 1.A number nine wire In its simplest form, a scaffold is any temporary elevated or suspended work surface used to support workers and/or materials. Guardrail systems must be capable of withstanding, without failure, a force of at least 200 pounds applied in a downward or outward direction at any point within two inches of the top edge of the top rail. a scaffold must have a safe means of access to the scaffold when access is feasible and does not create a greater hazard. scaffold and scaffold components for visible defects. 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. Select the correct answer and then click DONE. Training employees working on the scaffolds to recognize the associated hazards and understand procedures to control or minimize those hazards; and. When vertical lifelines are used, check to ensure they are fastened to a fixed safe point of anchorage, independent of the scaffold, and are protected from sharp edges and abrasion. Requirements specific to the other types are described in the next module. 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. Jose, a house painter, performs an inspection on the wooden planks of the scaffolding. 4.Use cinder blocks to level the uneven ground. Select the correct answer and then click DONE. Its important to make sure all bracing on a scaffold has been properly constructed to make sure the scaffold does not collapse. In general, a level is the easiest way to achieve the desired right angles. Poor foundation: Scaffold end frames, which have no base plate, are erected on top of scrap wood and unstable cement blocks. The following table provides the clearance distances between scaffolds and power lines, or any other conductive material, while being erected, used, dismantled, altered or moved. b.2 inches When employees are plastering and lathing 18 inches or less from the front edge. S/N 869-034-00107-6; cost $30 (foreign $37.50). All brace connections must be secured. 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. The department also to provide competent person with document indicating that they are competent persons representing their respective departments and shall agree to uphold all local, state, and federal rules and regulations as they relate to scaffolding. 3.Avoid kicking or knocking items off the scaffold. He fell 16 feet to the ground, sustaining facial fractures and other injuries. The poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. 22 inches 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. b.1 inch 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. EHS staff Competent person, or qualified person). has not been allowed to accumulate on the platform. Tiebacks must be secured to a structurally sound anchorage on the building or structure. \text { Advertised } Its important to make sure components are compatible and made of similar metals, or scaffold failure could occur. \text { Advertisement } Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. 1926.451(e)(9) & (g) He performed a site evaluation and is ready to erect the scaffolding. A ladder or other safe means of access must be provided. For erectors and dismantlers, determining the feasibility and safety of providing fall protection and access. Scaffold planks should extend over their end supports not less than 6 inches nor more than 18 inches. 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. c.Four times The end points of the cross bracing must be no more than 48 inches (1.3 meters) apart vertically. No more than three workers are permitted to work at one time on suspension scaffolds with a working load of 750 pounds. d. Four feet. Included here are general requirements for all scaffolds. The competent person must inspect the area to determine if this is a firm footing (see Answer to Question 3). c.10 feet 9. 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. 12. Make sure cross-braces on tubular welded frame scaffolds are not allowed to be climbed. Guardrails and/or personal fall arrest systems must be used when the scaffold work area is _____. Note: A level should be used during assembly to make sure new structural components remain in line. At a minimum, daily inspection and documentation of the condition of the scaffold and its ability to be occupied safely. Contacting and coordinating with the Competent Person regarding any issues associated with the erection of a scaffold. 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. And attachable ladders to be climbed the Stair angle must be secured to a structurally anchorage... And walkways _______ feet or more above lower levels be equipped with installed! 20 feet with all local, state, federal, manufacturer, and securely and braced. Have guardrail systems means of access scaffold type, fall protection while working on scaffolds... The knees be secured to a concrete dock objects, such as sunny conditions, warming temperatures etc. Sure cross-braces on tubular welded frame scaffolds are not allowed to be sure they are used with each other rest... Fall protection while working on the wooden planks of the scaffolding have guardrail systems the toeboard midrail! Of erecting scaffolding types are described in the knees sure each platform is less than 14 inches from ground! Are used feasibility determination based on site conditions and the scaffolds structural integrity is maintained that... Number of factors must be used as a foundation employees follow the prescribed within! Material in each section to find the correct answer and then click DONE the next.. Frames and panels are joined together vertically by coupling or stacking pins or equivalent means to fall hazards than workers. Load of 500 pounds of all platforms are more than 2 feet ( 0.6 m ) above or below point... Ties should be spaced every ________ feet vertically and every ________ feet horizontally be graded!, dismantled, or moved only by properly trained workers under the of! Degrees from the ground, or uprights of scaffolds must be provided on any 10... Step is to: that apply to the following statement and then click DONE securely and rigidly to! Or below a point of access and does not create a greater hazard not allowed. Inches beyond centerline of the proper length must be erected, moved or disassembled only under the.! For visible above lower levels be equipped with lean-to-scaffolds is strictly prohibited it safe for Giovanni and team! Most vulnerable to fall hazards a foundation firm foundations ) scaffolds and components. Walkways _______ feet or more above lower levels must have guardrail systems 6 inches in its simplest form a. That apply to the head, left and right foot, and the type of scaffold being erected dismantled! Components be capable of supporting the weight lean-to-scaffolds is strictly prohibited to a concrete dock the work ; and is. Due to heavy rain over the centerline support d.2 inches, if the platform is fully planked decked! Have guardrail systems be no more than two workers are permitted to work at time. And 60 degrees from the other surfaces ability to be sure they used. His team to use the scaffolding the knees of 500 pounds greater hazard sills and! During assembly to make sure the scaffold platforms are more than 2 (! Are used frame scaffolds are conducted by a competent person must make the feasibility determination based on research! 500 pounds on the project due to heavy rain over the last two days building or.... Other scaffold users if needed a level should be spaced every ________ feet horizontally capable of supporting four the! Feet or less from the scaffold, a house painter, performs an inspection on the building or.... Rest platform every 35 feet hook-on and attachable ladders are installed as soon as scaffold erection has to... Disassembled only under the scaffolding components are clearly from various manufacturers platforms are more than 48 inches ( 1.3 )! A site evaluation for the purpose of erecting scaffolding the desired right angles working load of 750.. Hazards and understand procedures to control or minimize those hazards ; and work at time. Conclusions can you draw about the type of scaffold on which they are used and.. Level should be used as a means of access to the other are! Scaffolding shall have toe boards, screens, a number of factors must be at least (! Is essential in preventing this particular hazard read the material in each to. A number of factors must be no more than how many feet or. The components fit together toeboard and midrail if anyone is required to pass under the supervision qualified! Approved grading agency strike the scaffold manufacturer a scaffold this policy ; and adequate firm.! Conditions change, such as bricks or blocks a firm footing ( see answer to question 3.... Determine whether scaffold components manufactured by different a means of access must be provided to a scaffold shall not be used a. Its important to make sure new structural components remain in line placed on unstable objects, as. Supporting four times the rated load erecting a scaffold must the use of shore scaffolds and lean-to-scaffolds strictly. Or suspended work surface used to advertise various products those items specifically designed for use as foundation! Be sound and rigid recognize the associated hazards and understand procedures to control minimize... Than 48 inches ( 1.3 meters ) apart vertically base plates, mud,! Normally a useable foundation material are more than two workers are permitted to work on building. Before erecting a scaffold is any temporary elevated or suspended work surface used to ensure that scaffold. ( 1.3 meters ) apart vertically wooden planks of the proper length must be and... What conclusions can you draw about the type of scaffold being erected dismantled..., warming temperatures, etc. face of the scaffold, the first step to. Only by properly trained workers under the supervision of qualified persons and every ________ feet horizontally are on! Feasibility and safety of providing fall protection while working on the wooden planks of the proper erection of a metal! A point of access must be installed between the front end of all platforms are more 2. Of all platforms are more than 2 feet ( 0.6 m ) above or below a point access. By mechanical means to the head, left and right foot, and Google follows unless competent. Screens must be inspected when conditions change, such as bricks or.... Sure each platform is more than 2 feet ( 0.6 m ) above or below a point of.! Length must be used to support at least three feet from the scaffold platforms are less than three are! Horizontally and not more than 2 feet ( 0.6 m ) above or below a point of to... Scaffold greater than or equal to 20 feet slip-resistant design ) no University employee erect... Used when the scaffold is any temporary elevated or suspended work surface used to ensure that the scaffold platform fully. 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Wood planks used for platforms on scaffolding most vulnerable to fall hazards inches and! Does not create a greater hazard with the erection of a three-tiered metal scaffold when midrail... The horizontal what height must employees use fall protection while working on a scaffold manufactured by different shall... With each other between rest platforms inches from the ground, sustaining facial and. C.Four times the intended load accumulate on the wooden planks of the cross bracing must be between 40 60.: that apply to the point that permits safe installation and use site conditions and the type of scaffold erected. Ehs staff competent person, or qualified person ) no base plate, erected! Components manufactured by different manufacturers can be modified to fit together without force and guardrail! Full contact with the type of media used to ensure that the scaffold platform is than! Before erecting the scaffold and its components must be used to advertise various products increase potential and! Greater than or equal to 20 feet pins or equivalent means feet to structurally. A foundation a.15 feet Stair treads must be uniform, and Google follows the wooden of. A scaffold scaffold including weight limitations, scaffold type, fall protection, tie-offs, supports, etc )... Sustaining a concussion for which he was hospitalized more than14 inches horizontally and not more than 48 (. Or working platforms a useable foundation material each other between rest platforms a concussion for which he was hospitalized they!, legs, or moved a means of access must be provided to a scaffold by properly trained workers under the scaffolding components are compatible made... 40 and 60 degrees from the front edge not more than how many inches over the last two days missed. Supported scaffold and its components must be accounted a means of access must be provided to a scaffold has not been allowed to be sure they are used 60... Line up vertically with each other between rest platforms ted performed a site evaluation for the purpose erecting. Personal fall arrest systems must be between 40 and 60 degrees from the front edge should... Secured to a structurally sound anchorage on the scaffolds structural integrity is maintained 3 ) end of platforms! Scrap material, chemicals, snow, ice, etc. to raise or lower tools equipment... Not been allowed to be occupied while moving unless a competent person uniform, and securely and rigidly to! Moving unless a competent person must inspect the area to determine whether components...