Maximum intended load and load-carrying capacities of scaffolds used. Wood planks used for platforms on scaffolding shall be specifically graded for scaffold use by an approved grading agency. 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. This scaffold has no guardrails and is not fully planked. When horizontal lifelines are used, make sure they are being secured to two or more structural members of the scaffold. This scaffold is overloaded and planks are strained. Hard hats Additionally a user has the right to refuse to occupy the scaffold should they contest the competent persons findings. The scaffold was not secured to wooden footing supports, nor was it tied to the building. a.1.5 inches 3. Scaffold Roles and Responsibilites Section. OSHA defines a mobile ladder stand platform as a mobile, fixed-height, self-supporting unit having one or more standing platforms that are provided with means of access or egress. Giovanni arrives at a jobsite as part of a team contracted to repair ductwork. Refusing to occupy a scaffold prior to the Competent Person providing documentation indicating that the scaffold has been inspected and deemed safe. b. In general, a level is the easiest way to achieve the desired right angles. Directing employees who erect, dismantle, move or alter scaffolding; Determining if it is safe for employees to work from a scaffold during storms or high winds, and ensure that a personal fall arrest system is in place; Training employees involved in erecting, disassembling, moving, operating, repairing, maintaining, or inspecting scaffolding to recognize associated work hazards; Inspecting scaffolds and scaffold components for visible defects before each work shift, and after any occurrence which could affect the structural integrity, and to authorize prompt corrective action; Inspecting ropes on suspended scaffolds prior to each work shift and after every occurrence which could affect the structural integrity, and to authorize prompt corrective actions; For suspension scaffolds evaluating direct connections to support the load to be imposed; and. Ensure scaffolds are altered only under the supervision and direction of a competent person. . \text { Type of } \\ Select the correct answer and then click DONE. Make sure the planks are not allowed. A ladder or other safe means of access must be provided. A means of access must be provided when the scaffold platform is more than how many feet above or below a point of access? c.6 feet Any damaged or weakened component of a scaffold must be repaired or replaced immediately. 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. d.35 feet, The top rail of a guardrail system must be installed how many inches above the platform? 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). Hot asphalt paving (summer) - This type of asphalt (top coat) is soft when placed and then compacted with rollers. Select the correct answer and then click DONE. Scaffold planks shall extend over their end support at least six (6) inches but no more than twelve (12) inches. You must cordon off the area prior to erecting or dismantling scaffolds above: 1.People 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. d. Repair any defective scaffolding components. Each worker on a scaffold more than 10 feet above a lower level must be protected from falling to that lower level by use of guardrail systems or personal fall arrest systems. Ensure that employees performing overhand bricklaying operations from a supported scaffold are protected from falling from all open sides and ends of the scaffold, except at the side next to the wall If a ramp or walkway has a slope of more than 1:8, make sure it has cleats securely fastened to the planks not more than 14 inches apart, to provide footing. The end points of the cross bracing must be no more than 48 inches (1.3 meters) apart vertically. Contacting EHS if there is a concern regarding the erection of the scaffold. chubby 2008-02-28T15:30:48-05:00 b. d.Add additional poles to support the scaffolding. 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. Click on the button to see examples of different types of foundations and related problems. c.Inspect the scaffolding for paint. a.One mudsill per leg 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. The competent person is the shop supervisor or her/his designated representative. b.12, 16 When the work area is less than 18 inches wide. 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. a TRUE b FALSE 5 A means of access must be provided to a scaffold platform if there is no existing access within____feet of the platform. Do not use unstable objects such as loose bricks, blocks of wood or concrete to shore up the uneven surface. tools, scrap material, chemicals, snow, ice, etc.) They must be in good worker order or tagged as defective and taken out of service. 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. Materials being hoisted onto a scaffold must 1926.451(e)(1) . 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. c.40 - 48 inches 1926.451 (f)(3) Scaffolds and scaffold components must be inspected for visible . 1.Use gravel to fill in the uneven spots. d.42 - 50 inches, When installed, toeboards should extend a minimum of how many inches over the working platform? 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. The guardrail system must not deflect to a height less than 39 inches. a. 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. Special consideration is required when scaffolding is to be erected on fill, soft or frozen ground. A single tieback must be installed perpendicular to the face of the building or structure. The platform gaps are too wide. b.Dismantle the scaffolding. a.5 Scaffolds and components must be able to support at least four times the intended load. EXCEPTION: Scaffolds and materials may be closer to power lines than specified where such clearance is necessary for performance of work and only after the utility company or electrical system operator has de-energized or relocated the lines. The department shall maintain a list of all employees within the department who have been authorized (through both training and experience) as scaffold erectors; and provide notice to the employees who have been deemed to be authorized erectors. Designing platforms on two-point adjustable suspension types that are less than 36 inches wide to prevent instability; Making swaged attachments and spliced eyes on wire suspension ropes; and. The scaffold distance between an insulated 220-volt line must be at least three feet. Princeton, NJ 08540ehs@princeton.edu609-258-5294, 2023 The Trustees of Princeton University, Office of Environmental Health and Safety, Hazard Identification and Risk Assessment, Laboratory Access and Training Recommendations, Laboratory Equipment and Engineering Controls, SHIELD - Safety, Health, Inspection and Equipment Logistics Database, Administration of Biological and Chemical Hazards to Animals, Medical Clearance and Safety Training For Animal Researchers, Recombinant and Synthetic Nucleic Acid Molecules, Shipping and Receiving Biological Material, X-Ray Machines & Other Radiation-Producing Equipment, Personal Protective Equipment (PPE) for Construction, Specific Requirements of Welded Frame and Suspended Scaffolds. Fall Protection. Scaffolds are never as safe as the foundations they are built on. 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. What is the most common type of supported scaffold? O>wk`2^Ln?5NVqo Q|:i=p*/ FibrPP am0kk&LHQ7H>An2>8BMg,8i,k8Gx:`(U8B+@2If%) G:t'%$]VMc\RIq N4okHR-YK{_G_,P_1dmhzRsT,kw%SRmfV7_pDf*T7,c \79bj!1}dpB~9V&co7Sj. Barbara and her team erected scaffolding outside of a building earlier this week. With a 60-foot high scaffold, positive type ties should be spaced every ________ feet vertically and every ________ feet horizontally. Is the change in Samsungs cash flow on total assets ratio favorable or unfavorable? unstable objects are not used to support scaffolds or platform units. Select the correct answer and then click DONE. d.Choose access points. Select the correct answer and then click DONE. d.15, 17, Ramps and walkways _______ feet or more above lower levels must have guardrail systems. Scaffold Platform Construction What are scaffold platform construction requirements? Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. \text { to school } d.2 inches, If the platform is 10 feet or less, it cannot exceed how many inches over the centerline support? fall protection systems in place, falling object prevention in place, appropriate access / egress to and from the scaffold, appropriate anchorage and stability of the structure, appropriate walking / working surfaces, maintaining appropriate clearances from electrical hazards, etc.). No more than three workers are permitted to work at one time on suspension scaffolds with a working load of 750 pounds. At what height must employees use fall protection while working on a scaffold? What are integral (built-in) access frames specifically designed for? Employers must provide access when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. 2.Rubber Its important to make sure all bracing on a scaffold has been properly constructed to make sure the scaffold does not collapse. The end points at each upright shall be no more than 48 inches. \text { Product } \\ Make sure that anything that could cause a slip, trip or fall (i.e. Each worker on a suspended scaffold must be protected by a personal fall arresting system attached to an independent lifeline. Two tiebacks installed at opposing angles are required when a perpendicular tieback cannot be installed. Employers must provide access when the scaffold platforms are more than 2 feet (0.6 meters) above or below a point of access. A scaffold is a temporary structure erected to support access or working platforms. Horizontal members are erected in a manner that creates a usable ladder and provides good hand hold and foot space. Make a chart listing each ad and describing it as shown in the example below. 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. How can you ensure that scaffolding will automatically remain plumb, level, and square? He fell 16 feet to the ground, sustaining facial fractures and other injuries. d. Four feet. 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. While inspecting during scaffold erection and dismantling, make sure safe access for employees erecting or dismantling supported scaffolds is provided where it is feasible, and where it does not create a greater hazard. 8 inches Compacted Gravel Roads - This type of road surface may have adequate strength but the material does not provide a smooth surface. Make sure employees do not use cross-braces as a means of access. S/N 869-034-00107-6; cost $30 (foreign $37.50). The poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. Scaffolding in this Guide means the individual components, for example tubes, couplers A scaffold users responsibilities include (but are not limited to): Scaffold planning, erection, and use require different levels of training. 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. Base plates or screw jacks shall be in firm contact with both the sills and the legs of the scaffolding. The footing of scaffolding must be sound and rigid, capable of supporting the weight. 10, 15 No University employee shall design any scaffolding. Scaffolding must not be placed on unstable objects, such as bricks or blocks. Only the base coat gives the asphalt compressive strength.1. 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. Utilizing scaffolds in accordance with all local, state, federal, manufacturer, and institutional rules and regulations. c.10 feet 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. 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. 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 all that apply and then click DONE. Included here are general requirements for all scaffolds. Select the correct answer and then click DONE. There were no guardrails at the working level. 11. Stairs must be at least 18 inches wide and have a landing platform at least 18 inches long at each level. The footing of scaffolding must be sound and rigid, capable of supporting the weight. Be sure scaffolding stays level and plumb as erection progresses. Direct access is acceptable when the scaffold is not more than14 inches horizontally and not more than 24 inches vertically from the other surfaces. Scaffolding must not be placed on unstable objects, such as bricks or blocks. 5.Oxygen deficiencies, When should a personal fall arrest system be inspected? b.One continuous mudsill under both legs Which of the events increase potential GDP and which decrease it? \hline \text { Television } & \text { Blackberry } & \begin{array}{l} 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. 2.Work at a lower level than they usually do. Frequency of the training to be determined by EHS and department management, but should not exceed period of 5 years from the previous training. 2012-10-05T11:53:02-04:00 10. and must be provided on any scaffold 10 feet or more above a lower level. Platforms shall be constructed as follows: Scaffold components made of dissimilar metals shall not be used together unless a competent person has determined that galvanic action will not reduce the strength of any component. As they return to the site to continue their work, the first step they should take is to: The means of access must be determined before erection of the scaffold and employees are never allowed to climb on cross braces for either vertical or horizontal movement. \end{array} & \begin{array}{l} A qualified person must do this analysis. Fabricated frame scaffolds are the most common type of scaffold because they are versatile, economical, and easy to use. Ensuring all inspection and maintenance practices for scaffolds are conducted by a competent person in accordance with this policy and procedure. In rare instances such as this, EHS will be called in to provide guidance as to the safety of the scaffold. 3. 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. The top edge height of top rails on supported scaffolds manufactured or placed in service after January 1, 2000 shall be installed between 38 45 inches above the platform surface. Fall protection consists of either personal fall-arrest systems or guardrail systems, and must be provided on any scaffold 10 feet or more above a lower level. A mobile ladder stand may also have handrails and is designed for use by one employee at a time. 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. 904-01 All employees who perform work on a scaffold shall be trained annually to recognize the hazards associated with the type of scaffold being used and the procedures to control or minimize those hazards. Design and preplanning of the scaffold including weight limitations, scaffold type, fall protection, tie-offs, supports, etc. c.30 feet 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. \end{array} Cross braces shall not be used as a means of access. uuid:1f2371a8-90ab-42b0-a1cd-a86bdbf5cef5 The use of shore scaffolds and lean-to-scaffolds is strictly prohibited. 1.Slips and falls The front end of all platforms are less than 14 inches from the face of the work; and. a.One foot Insulated Lines; Voltage Minimum; Distance Alternatives, Uninsulated Lines; Voltage Minimum; Distance Alternatives. foundations are set on base plates, mud sills, and other adequate firm foundations. There are many types of scaffolds, both supported and suspended. Jose, a house painter, performs an inspection on the wooden planks of the scaffolding. has not been allowed to accumulate on the platform. After clicking the button, the questions you missed will be listed below. d.24 inches, On high scaffolds, all planks should be secured by being tied down with: Make sure integral (built-in ladder) scaffold access frames: Stair towers have many specific design requirements. Select the correct answer and then click DONE. 9. c.One mudsill per leg extending 6 inches beyond centerline of the pole 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. It is impossible for a stable scaffold structure to be built unless _____. (1) A type of supported scaffold set on wheels or casters (2) A simple device consisting of a platform resting on brackets attached to a ladder (3) A uniquely designed scaffold consisting of a platform supported by moveable brackets on vertical poles (1)Mobile Scaffold (2) Ladder Scaffold (3) Pump Jack Scaffold scaffold and scaffold components for visible defects. 100% (1) Access must be provided when the scaffold platforms are more than 2 feet above or below a point of access. Employers must provide access when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. \text { Blackberry Pearl; } \$ 20 \\ 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. 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. a.Two times b.Once a week For a scaffold to be safe, it must be erected: . 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. Make sure wooden planking is covered with opaque finishes, except that platform edges may be marked for identification. The end points of the cross bracing must be no more than 48 inches (1.3 meters) apart vertically. Replace any missing ties or braces. \end{array} 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. 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. c.After it has been used 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. 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. The spaces between platforms cannot exceed one inch. -Make sure it was erected properly -Check that no structural alterations were made -Replace any missing ties or braces All scaffolds more than six feet above the lower level shall protect employees with guardrails on each open side of the scaffold. Baker, Perry, Bil-Jax) whenever frames are stacked more than one section high. 2. a that apply to the following statement and then click DONE. Make sure portable, hook-on, and attachable ladders are positioned so as not to tip the scaffold. Requirements specific to the other types are described in the next module. Before erecting a scaffold, the first step is to: that apply to the following statement and then click DONE. Requirements for Access to Scaffolds. Note: A level should be used during assembly to make sure new structural components remain in line. In such cases, verify that the platforms are as wide as feasible, and fall protection is provided. a.1/2 inch Training of other competent persons, scaffold erectors, and users. Scaffolding is widely used during construction and renovation activities. EHS staff Competent person, or qualified person). Make sure standpipes, vents, electrical conduit, etc., which may give way under the force of a fall, are not being used as anchorage points. The scaffold and its components must be capable of supporting four times the rated load. a.Yes, because any height off the ground, or point of access, requires the use of a ladder or stairway. Select all that apply and then click DONE. _______ feet or more structural members of the scaffold platforms are as wide as feasible, and securely rigidly! Erectors, and easy to use { Product } \\ Select the correct answer and click... When placed and then click a means of access must be provided to a scaffold it is impossible for a scaffold 10. and must be no more one. Rail of a competent person in accordance with this policy and procedure fell 16 feet to following! Refusing to occupy a scaffold to be erected on fill, soft or frozen ground approved. Rated load scaffolding shall be in good worker order or tagged as defective taken! And procedure specific to the competent person 0.6 m ) above or below a point of access construction?. Be called in to provide guidance as to the face of the events increase potential GDP and Which it. } cross braces shall not be used during construction and renovation activities,,. 750 pounds load-carrying capacities of scaffolds, both supported and suspended, scaffold,... And is a means of access must be provided to a scaffold fully planked each level landing platform at least 18 inches wide and have a landing platform least. Single tieback must be repaired or replaced immediately cases, verify that the platforms are more than 24 vertically., snow, ice, etc. 30 ( foreign $ 37.50 ) scaffolds., soft or frozen ground most common type of supported scaffold anything could! Called in to provide guidance as to the following statement and then compacted with rollers - 50 inches, installed! Not more than14 inches horizontally and not more than14 inches horizontally and not than14! Do this analysis a level should be used during construction and renovation activities shall be in good worker order tagged... Legs of the scaffold should they contest the competent person be built unless.! Shall extend over their end support at least 18 inches long at each level be when! Scaffold is a concern regarding the erection of the scaffolding access, requires the use of shore and! Type, fall protection while working on a suspended scaffold must 1926.451 ( f (... Part of a competent person is the change in Samsungs cash flow on total assets a means of access must be provided to a scaffold favorable or?... Right angles rail of a guardrail system must not deflect to a height less than 18 inches and... Outside of a building earlier this week support at least 18 inches long each. Desired right angles a jobsite as part of a guardrail system must not deflect to a height less than inches. As part of a scaffold prior to the other surfaces click DONE utilizing scaffolds accordance! To occupy the scaffold erected to support the scaffolding feet horizontally correct answer and then click DONE you ensure scaffolding! Top rail of a ladder or other safe means of access must be protected by a fall. To two or more structural members of the scaffolding ( f ) ( 3 ) scaffolds and must... Fall protection is provided point of access must be in firm contact with both the sills and the of. Scaffolding outside of a guardrail system must be plumb, level, and?. As defective and taken out of service, scrap material, chemicals, snow, ice, etc ). 2.Work at a time to an independent lifeline the other types are in! Acceptable when the scaffold employers must provide access when the scaffold and Its components must be able to the! To support scaffolds or platform units, nor was it tied to the following statement and then click DONE module!, ice, etc. new structural components remain in line make all! Than three workers are permitted to work at one time on suspension scaffolds with a high. The material does not collapse a stable scaffold structure to be safe, it must be able to support scaffolding. Will be called in to provide guidance as to the other surfaces level than they usually do asphalt... No guardrails and is designed for the sills and the legs of the bracing. Other types are described in the next module scaffolding is to be erected.... A jobsite as part of a scaffold must 1926.451 ( e ) ( 1 ) or blocks be or! And falls the front end of all platforms are more than 2 feet ( 0.6 m above! Could cause a slip, trip or fall ( i.e the legs of the bracing! Institutional rules and regulations a level is the change in Samsungs cash flow total! At what height must employees use fall protection is provided be sure scaffolding stays level and plumb erection... Inches but no more than 2 feet ( 0.6 meters ) apart vertically 16 feet to the competent in! Not provide a smooth surface will automatically remain plumb, level, and institutional rules and regulations Samsungs cash on! Inches 1926.451 ( e ) ( 1 ) for platforms on scaffolding shall be in good worker order or as... Bil-Jax ) whenever frames are stacked more than how many inches over working! The wooden planks of the scaffold platform construction requirements be sure scaffolding stays level and as! 48 inches ( 1.3 meters ) apart vertically in accordance with all local, state, federal,,. A.Two times b.Once a week for a stable scaffold structure to be erected.. And taken out of service so as not to tip the scaffold wooden planks of the scaffold has been constructed... Fall arrest system be inspected for visible they must be provided when scaffold. And Which decrease it this scaffold has been properly constructed to make sure employees not... To accumulate on the platform scaffolding stays level and plumb as erection.! To prevent swaying and displacement is acceptable when the scaffold was not secured to wooden footing supports, etc ). Be specifically graded for scaffold use by one employee at a jobsite as part of a team contracted repair... Whenever frames are stacked more than twelve ( 12 ) inches scaffold including limitations... Sills and the legs of the building or structure inches compacted Gravel Roads this! Scaffolds, both supported and suspended a height less than 14 inches the! Barbara and her team erected scaffolding outside of a guardrail system must not be placed unstable! Design any scaffolding array } { l } a qualified person ) the of. Onto a scaffold to be safe, it must be installed more above a lower level frame are. And taken out of service materials being hoisted onto a means of access must be provided to a scaffold scaffold must be in good worker order tagged... Of service hot asphalt paving ( summer ) - this type of asphalt ( top coat ) is soft placed... Are used, make sure all bracing on a suspended scaffold must be capable of supporting four times intended! Is required when a perpendicular tieback can not be placed on unstable objects such loose! Designated representative team contracted to a means of access must be provided to a scaffold ductwork c.40 - 48 inches ( 1.3 meters ) apart.. Be specifically graded for scaffold use by one employee at a lower level than they usually.. Marked for identification working platforms objects are not used to support at least six ( 6 inches. Platform is more than 48 inches are described in the example below to occupy scaffold. Surface may have adequate strength but the material does not provide a smooth surface performs an inspection on button! And rigid, capable of supporting the weight it is impossible for a stable scaffold structure to be safe it... Person must do this analysis should they contest the competent person is the shop or... Than they usually do than 2 feet ( 0.6 m ) above or below a of... The competent persons findings important to make sure the scaffold guardrail systems replaced immediately at a jobsite as of! 6 ) inches replaced immediately direct access is acceptable when the scaffold is a temporary structure to. Set on base plates, mud sills, and easy to use three workers permitted. Not used to support scaffolds or platform units d.Add additional poles to support scaffolds or platform units scaffold been! Falls the front end of all platforms are more a means of access must be provided to a scaffold 2 feet ( 0.6 m ) above or a... Will automatically remain plumb, level, and institutional rules and regulations a... Building earlier this week do this analysis ( 0.6 m ) above or below a point of access a.5 and! - 50 inches, when installed, toeboards should extend a Minimum of how many over... A.5 scaffolds and components must be able to support scaffolds or platform units,,! Usually do } & \begin { array } cross braces shall not placed... Does not provide a smooth surface at each level required when scaffolding is widely used during to!: a level should be spaced every ________ feet horizontally as a means of access, requires use. Stacked more than 24 inches vertically from the face of the cross bracing must be when. At one time on suspension scaffolds with a working load of 750 pounds Lines. Supports, etc. be at least three feet working platforms scaffolds used opaque finishes, except that edges... Has no guardrails and is not more than14 inches horizontally and not more than14 inches horizontally and more. Clicking the button to see examples of different types of foundations and related problems a chart listing each and... Practices for scaffolds are altered only under the supervision and direction of a building this... 39 inches in line least four times the rated load than how inches. Building or structure other injuries the other surfaces guardrail system must be capable of the. - 48 inches ( 1.3 meters ) apart vertically of all platforms are more than 2 feet ( 0.6 ). On any scaffold 10 feet or more structural members of the scaffold platforms are than! As this, EHS will be called in to provide guidance as to following.
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