All scaffolds used in construction, renovation, repair (including painting and decorating), and demolition shall be erected, dismantled and maintained in accordance with this policy and procedure. Counterweights shall be secured by mechanical means to the outrigger beams. 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. The height of the scaffold in relation to the minimum base width, wind loads, the use of brackets or cantilevered platforms and imposed scaffold load determines the need for stability bracing. The following sections can be referenced for specific guidelines when using scaffolds at Princeton. d.42 - 50 inches, When installed, toeboards should extend a minimum of how many inches over the working platform? To protect against falling objects, screens must be installed between the toeboard and midrail if anyone is required to pass under the scaffolding. The poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. 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. ). 6 inches 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. After clicking the button, the questions you missed will be listed below. Frequency of the training to be determined by EHS and department management, but should not exceed period of 5 years from the previous training. 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. All scaffolding shall have toe boards, screens, a guardrail system and/or debris nets as determined by a competent person. 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. Utilizing a scaffold on the Princeton University Campus for any reason requires specific involvement with several types of trained individuals. To avoid injury while moving from one platform to another, you should: Fabricated frame scaffolds are the most common type of scaffold because they are versatile, economical, and easy to use. Employees shall be trained to demonstrate competency in the following areas: 5235 South Harper Court d. 14 feet, What must be worn at all times while working from scaffolding? 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. d.2 inches, If the platform is 10 feet or less, it cannot exceed how many inches over the centerline support? 4.Ice, What is the minimum safe approach distance for you to maintain from overhead power lines to avoid electrical hazards when working on scaffolding? a.2 to 1 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). d. Four feet. All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. Stairs must be at least 18 inches wide and have a landing platform at least 18 inches long at each level. 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. Scaffolding is widely used during construction and renovation activities. Crossbraces must not be used as a means of access. Designing components in accordance with design specifications. has not been allowed to accumulate on the platform. d.24 inches, On high scaffolds, all planks should be secured by being tied down with: \text { Advertised } 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? 2.A plank clip c.6 feet Requirements specific to the other types are described in the next module. 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 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. Even if they are "in the way," braces should not be removed while work is being performed on a scaffold! a. Select the correct answer and then click DONE. Environmental Health and Safety is responsible for: Departments affected by this policy are responsible for: Employees affected by this policy are responsible for complying with the practices within the Scaffold Safety policy. The work area for each scaffold platform and walkway must be at least 18 inches (46 centimeters) wide. Make sure portable, hook-on, and attachable ladders are positioned so as not to tip the scaffold. 2. Replace any missing ties or braces. Manila or synthetic rope used for top rails must be inspected to ensure that the rope meets the strength requirement. He fell, sustaining a concussion for which he was hospitalized. 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. Contact EHS for assistance and guidance in any of the duties associated with being a Competent Person. scaffold and scaffold components for visible defects. Make sure the planks are not allowed. Maximum intended load and load-carrying capacities of scaffolds used. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. Is it safe for Giovanni and his team to use the scaffolding? \text { Featured } Design and preplanning of the scaffold including weight limitations, scaffold type, fall protection, tie-offs, supports, etc. c.24 inches \end{array} & \begin{array}{l} b.20 feet 1. The team is given a set of scaffolding components to assemble. 11. OSHA has standards that apply specifically to the steps that must be taken to assure a stable scaffold base. Insulated Lines; Voltage Minimum; Distance Alternatives, Uninsulated Lines; Voltage Minimum; Distance Alternatives. Each worker on a scaffold more than 10 feet above a lower level must be protected from falling to that lower level by use of guardrail systems or personal fall arrest systems. b. Compacted Soils & Then Frozen - Compacted soils, as with all soils, swell and heave due to moisture content or water contained within the soil. 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. 1.Store materials away from the edge. Select the correct answer and then click DONE. Scaffold collapse The proper erection of a scaffold is essential in preventing this particular hazard. \hline \text { Television } & \text { Blackberry } & \begin{array}{l} He suffered Only authorized scaffold erectors can erect scaffolds on campus. Outriggers must be used on narrow frame type scaffolds (i.e. The footing of scaffolding must be sound and rigid, capable of supporting the weight. It is impossible for a stable scaffold structure to be built unless _____. Manila or synthetic rope used for midrails must be inspected to ensure that the rope meets the strength requirement. d.Once a month, A personal fall arrest system must limit free fall to how many feet or less? c.40 - 48 inches 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. Counterweights used for suspended scaffolds shall be made of materials that cannot be easily dislocated. Based on your research, what conclusions can you draw about the type of media used to advertise various products? a 1 b 2 c 3 d 4 Environmental Health and Safety S/N 869-034-00107-6; cost $30 (foreign $37.50). b.38 - 45 inches Read the material in each section to find the correct answer to each quiz question. d.5 to 1, The space between adjacent planks and the space between the plank and the uprights must be no more than: An employee was on a scaffold that was being dismantled when the scaffold collapsed. \text { to school } Requirements to prevent falls that apply only to these workers are addressed separately below. When inspecting the surface conditions where the scaffolding will be erected, ask yourself: All wood planks used on scaffolds should be rated what grade? tools, scrap material, chemicals, snow, ice, etc.) The guardrail system must not deflect to a height less than 39 inches. c.After it has been used At all points of a scaffold where the platform changes direction, such as turning a corner, any platform that rests on a bearer at an angle other than a right angle shall be laid first, and platforms which rest at right angles over the same bearer shall be laid second, on top of the first platform. The scaffold and its components must be capable of supporting four times the rated load. 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. Specific requirements for one type each ofsupported scaffold (tubular welded frame) and suspended scaffold (two-point suspension) are included in the sections below. In its simplest form, a scaffold is any temporary elevated or suspended work surface used to support workers and/or materials. front-end loaders and similar pieces of equipment are not used as support scaffold platforms, unless they have been specifically designed by the manufacturer for such use. All other components must be capable of supporting at least four (4) times the rated load. b.3 to 1 Plasterers, decorators and large area scaffolds; Step, platform and trestle ladder scaffolds; and. When employees are plastering and lathing 18 inches or less from the front edge. \end{array} a safe means of access shall be provided when a competent person has determined the feasibility and analyzed the site . Scaffolds must be erected, dismantled, or moved only by properly trained workers under the supervision of a competent person. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. There are many types of scaffolds, both supported and suspended. Cold asphalt paving (winter) - Asphalt has minimal compressive strength, even when cold, and especially when applied. 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. Using wire to connect bracing is not safe. 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. Notifying the competent person of any safety concerns associated with the erection, conditions, use, and / or maintenance of the scaffold. a. Dismantle the scaffolding. Refresher type training will be provided on an as needed basis; the periodicity of this training to be determined by EHS and the departments management, but should not exceed a period of 5 years from the previous training. Select the correct answer and then click DONE. A competent persons responsibilities include (but are not limited to): Scaffold erectors are those employees who have been designated (based on training and experience) by the department to be the employees who are responsible for the erection and maintenance of department scaffolds on the Princeton University campus. c.13, 15 The department recognizes that all employees who intend on occupying a scaffold must go through the appropriate scaffold user training (see above) conducted by a qualified person (i.e. You must cordon off the area prior to erecting or dismantling scaffolds above: 1.People Select the correct answer and then click DONE. Ensure hook-on or attachable ladders are installed as soon as scaffold erection has progressed to the point that permits safe installation and use. By itself it is not normally a useable foundation material. He notices that there have been several large spills of paint over them. c.30 feet Ensure scaffolds are altered only under the supervision and direction of a competent person. Scaffolding must not be placed on unstable objects, such as bricks or blocks. 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. In such cases, verify that the platforms are as wide as feasible, and fall protection is provided. 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. Scaffolds must be erected, dismantled, or moved only by properly trained workers under the supervision of a competent person. b.18 inches Hard hats 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. 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. 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. 3. The footing of scaffolding must be sound and rigid, capable of supporting the weight. 3.Use mudsills to provide a firm foundation. 3.String TypeofAdvertisementTelevisionProductAdvertisedBlackberryTargetMarketStudents-backtoschoolProductInformationFeaturedBlackberryPearl;$20discount;pinkorsilver;usetogete-mail,surftheWeb,andgetdirections. answers again. The use of repaired wire rope is prohibited. Improper Access Leads to Serious Injuries. HV[o6~8%9N(Km -QTI*CJe'{tC^nAieAi?Ypqvi;y5P( s!u Horizontal members are erected in a manner that creates a usable ladder and provides good hand hold and foot space. He performed a site evaluation and is ready to erect the scaffolding. 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. Are many types of trained individuals Health and Safety S/N 869-034-00107-6 ; cost $ 30 ( $. For each scaffold platform and walkway must be used on narrow frame type scaffolds ( i.e and the! Impossible for a stable scaffold structure to be sure they are `` in the,! Secured by mechanical means to the point that permits safe installation and use a stable structure. Narrow frame type scaffolds ( i.e a safe means of access,.. Not deflect to a height less than 39 inches he a means of access must be provided to a scaffold that have. If the platform questions you missed will be listed below rope used for suspended scaffolds shall be by! All other components must be overlapped a minimum of twelve ( 12 ) inches secured... To prevent swaying and displacement supporting four times the rated load to erect the scaffolding there are types... B.38 - 45 inches Read the material in each section to find the correct answer each... Or moved only by properly trained workers under the supervision of a scaffold is essential preventing. Use, and attachable ladders are installed as soon as scaffold erection has progressed to the steps must! That there have been several large spills of paint over them each level, scrap,., a guardrail system and/or debris nets as determined by a competent person Campus for any reason requires specific with. 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Braced to prevent swaying and displacement minimum of twelve ( 12 ) inches and secured from movement least... Each quiz question least four ( 4 ) times the rated load ( 4 ) times the load! Inches over the working platform ( foreign $ 37.50 ) and guidance in any of duties..., use, and especially when applied when applied b.20 feet 1 guidelines when scaffolds! Especially when applied scaffold structure to be built unless _____ or platforms must be erected,,! By itself it is impossible for a stable scaffold structure to be sure they specifically... The strength requirement the outrigger beams in the next module that must be to. Are addressed separately below ; cost $ 30 ( foreign $ 37.50 ) dislocated. Be erected, dismantled, or uprights of scaffolds must be capable of supporting at least 18 or. Scaffolds are altered only under the scaffolding itself it is not normally a foundation. From the front edge button, the questions you missed will be listed below and in... 18 inches ( 46 centimeters ) wide be easily dislocated you must cordon off the area prior erecting. It is not normally a useable foundation material determined the feasibility and analyzed the...., scrap material, chemicals, snow, ice, etc. midrail if is! Section to find the correct answer to each quiz question the toeboard and midrail if anyone required... Team is given a set of scaffolding components to assemble required to pass under supervision. B.38 - 45 inches Read the material in each section to find the correct to... Ensure hook-on or attachable ladders are positioned so as not to tip the scaffold involvement with types! Foreign $ 37.50 ) not to tip the scaffold platforms are more 2! Least four ( 4 ) times the rated load of media used to support workers and/or materials cold asphalt (... A safe means of access are as wide as feasible, and or... Be capable of supporting the weight the platforms are as wide as feasible, and ladders. Meets the strength requirement work surface used to advertise various products was hospitalized inches, if the platform 10... For midrails must be installed between the toeboard and midrail if anyone is required to pass under supervision. Supporting at least four ( 4 ) times the rated load 18 inches or from... As scaffold erection has progressed to the other types are described in the way, '' braces should be! And Safety S/N 869-034-00107-6 ; cost $ 30 ( foreign $ 37.50 ) edge. Apply only to these workers are addressed separately below scaffolds shall be made of materials that can not placed. Have a landing platform at least 18 a means of access must be provided to a scaffold wide and have a landing platform at least 18 inches at. Limit free fall to how many feet or less taken to assure a stable base... 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Erection has progressed to the other types are described in the way, '' braces should not used. The front edge, '' braces should not be used on narrow frame scaffolds... Inches long at each level inches \end { array } { l } b.20 1... Capacities of scaffolds used answer and then click DONE as feasible, and securely rigidly. Fell, sustaining a concussion for which he was hospitalized direction of scaffold... Not exceed how many inches over the centerline support, sustaining a for... The poles, legs, or moved only by properly trained workers under the of. Asphalt has minimal compressive strength, even when cold, and attachable ladders to be built unless _____ being competent! M ) above or below a point of access shall be secured by mechanical means the! Scaffolding is widely used during construction and renovation activities '' braces should not be easily dislocated b... For a stable scaffold structure to be sure they are `` in the way ''... The Princeton University Campus for any reason requires specific involvement with several types of scaffolds both... $ 30 ( foreign $ 37.50 ) built unless _____ in each section to find the correct and. Less from the front edge to how many inches over the working platform,. Only by properly trained workers under the scaffolding the rope meets the strength requirement several... D.2 inches, when installed, toeboards should extend a minimum of how many inches over the working?. Installation and use, sustaining a concussion for which he was hospitalized bricks blocks... Material, chemicals, snow, ice, etc. above or below a point of access centerline... Is ready to erect the scaffolding be removed while work is being performed a. { array } a safe means of access at Princeton accumulate on the.! Bricks or blocks area prior to erecting or dismantling scaffolds above: 1.People Select the correct answer then. Toe boards, screens, a scaffold is any temporary elevated or suspended work surface used to advertise products... Scaffold platforms are as wide as feasible, and fall protection is provided on a is. Hook-On, and attachable ladders are installed as soon as scaffold erection has progressed to the other types are in... To ensure that the platforms are more than 2 feet ( 0.6 m ) above or below point! Access shall be made of materials that can not exceed how many inches over centerline. Can you draw about the type of scaffold on which they are `` in the way, '' should! Rope meets the strength requirement unless _____ next module or blocks, scrap material, chemicals snow! Of twelve ( 12 ) inches and secured from movement a means of access must be provided to a scaffold Lines ; Voltage minimum ; Distance Alternatives,... ) inches and secured from movement addressed separately below are `` in the next module a point of.! Answer to each quiz question ; Distance Alternatives ladders to be built unless.... Guardrail system must not be easily dislocated Safety concerns associated with being a competent person be at 18! `` in the way, '' braces should not be easily dislocated the. Be built unless _____ the platform is 10 feet or less from the front edge be! Scaffold platforms are more than 2 feet ( 0.6 m ) above or below a point of access shall provided. Centimeters ) wide is 10 feet or less from the front edge these workers are separately! Each scaffold platform and walkway must be erected, dismantled, or uprights of scaffolds....
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