4.Use cinder blocks to level the uneven ground. 2.Toss tools and other items from the scaffold. 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. Damaged or deteriorated equipment shall not be used. 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. Maximum intended load and load-carrying capacities of scaffolds used. Select the correct answer and then click DONE. 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. Materials: Steel or plastic banding must not be used as a toprail or a midrail. A qualified person must do this analysis. 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. 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. Select the correct answer and then click DONE. 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. \end{array} Final inspection of the scaffold prior to initial occupation for use. There were no guardrails at the working level. Ensure scaffold platforms and walkways are at least 18 inches wide, unless they are used in areas that are so narrow that they must be less than 18 inches wide. 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. [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 . 21 0 obj <><><>]/ON[37 0 R]/Order[]/RBGroups[]>>/OCGs[37 0 R]>>/PageLabels 15 0 R/Pages 17 0 R/Type/Catalog>> endobj 36 0 obj <>/Font<>>>/Fields 41 0 R>> endobj 18 0 obj <>stream Employers must provide access when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. All scaffolding to be used on University property shall be tubular scaffolding designed by manufacturers approved by Underwriters Laboratory (UL) and/or OSHA and be in a ready-to-assemble state. All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. (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 5.Oxygen deficiencies, When should a personal fall arrest system be inspected? Select the correct answer and then click DONE. Any damaged or weakened component of a scaffold must be repaired or replaced immediately. \end{array} Scaffold collapse The proper erection of a scaffold is essential in preventing this particular hazard. Make sure frames and panels are joined together vertically by coupling or stacking pins or equivalent means. 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. What must ramps and walkways 6 feet or more above lower levels be equipped with? b.38 - 45 inches What is a joint underwriting association (JUA)? The scaffolding will extend twenty feet into the air. 1.Make sure it was erected properly. 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. When the scaffold work area is less than 18 inches (46 centimeters) wide, guardrails and/or personal fall arrest systems must be used. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. All equipment shall be inspected to ensure that it is in good condition and is serviceable. Before each use Select the correct answer and then click DONE. b. Select the correct answer and then click DONE. 3.Falling objects Sills shall be level and in full contact with the supporting surface. unstable objects are not used to support scaffolds or platform units. 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. Ensure each employer working at any level over dangerous equipment while on a scaffold is protected from falling into the equipment. . c.Four times 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. or strike the scaffold with tools, materials, etc. 8 OSHA:Process Safety Management: Participation, Clinical Pharmacology Exam 2 - CHF & Angina, Elliot Aronson, Robin M. Akert, Timothy D. Wilson, Unternehemensfinanzierung in der EU und in de. By itself it is not normally a useable foundation material. Is it safe for Giovanni and his team to use the scaffolding? Scaffolds must be braced by cross, horizontal, or diagonal braces, or a combination thereof. Utilizing the appropriate fall protection equipment / systems at heights above 10. Select the correct answer and then click DONE. 1.Use gravel to fill in the uneven spots. Make sure portable, hook-on, and attachable ladders are positioned so as not to tip the scaffold. 12. All brace connections must be secured. 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. 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. Wood planks used for platforms on scaffolding shall be specifically graded for scaffold use by an approved grading agency. The team has been unable to work on the project due to heavy rain over the last two days. 5.Use taglines if a load could swing and hit the scaffold. What is the widest gap permitted between adjacent planks or deck units, or between the platform and the uprights of a scaffold? 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. a.Begin to erect the scaffolding. The victim was climbing the end-frame of a three-tiered metal scaffold when a midrail pulled loose. What are some safe work practices you can follow to prevent yourself and others from being struck by falling objects while working on scaffolds? The following sections can be referenced for specific guidelines when using scaffolds at Princeton. Frequency of the training to be determined by EHS and department management, but should not exceed period of 5 years from the previous training. b.3 to 1 All scaffolding shall be plumb and level. Manila or synthetic rope used for top rails must be inspected to ensure that the rope meets the strength requirement. The scaffold and its components must be capable of supporting four times the rated load. Inspections of scaffolds after changes / alterations have been made. 3.Install a wind screen on the scaffold. c.10 \hline \text { Television } & \text { Blackberry } & \begin{array}{l} a.2 feet Select the correct answer and then click DONE. b.Three times b. No more than two workers are permitted to work at one time on suspension scaffold designed for a working load of 500 pounds. In rare instances such as this, EHS will be called in to provide guidance as to the safety of the scaffold. 4.A bungee cord, Joel, a commercial painter, is working on a new site where he and his team will need to use scaffolding. 2008-02-28T15:30:48-05:00 For the current year, is Samsungs cash flow on total assets ratio better or worse than (a) Apples and Click on the button to see examples of different types of foundations and related problems. When the work area is less than 18 inches wide. 3. Base plates or screw jacks shall be in firm contact with both the sills and the legs of the scaffolding. Ropes capable of supporting at least six (6) times the rated load must be used to suspend two-point suspension scaffolds. 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. 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. Should he use those planks? 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. Scaffold Roles and Responsibilites Section. c.After it has been used endstream endobj 15 0 obj <> endobj 17 0 obj <> endobj 22 0 obj <>/Font<>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Rotate 0/Type/Page>> endobj 1 0 obj <>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Type/Page>> endobj 5 0 obj <>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Type/Page>> endobj 8 0 obj <>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Type/Page>> endobj 11 0 obj <>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Type/Page>> endobj 54 0 obj <>stream Tying, guying, or bracing may be needed to assure a safe and stable scaffold assembly. Specific requirements for one type each ofsupported scaffold (tubular welded frame) and suspended scaffold (two-point suspension) are included in the sections below. Then this must be inspected when conditions change, such as sunny conditions, warming temperatures, etc. c.24 inches Cross braces shall not be used as a means of access. A scaffold is a temporary structure erected to support access or working platforms. 2. c.Long sleeve shirts footings are capable of supporting the loaded scaffold without settling or displacement. Key comparative information for Samsung, Apple, and Google follows. 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. Cross-braces of the proper length must be used to ensure that the scaffold will remain plumb and rigid. An employee was on a scaffold that was being dismantled when the scaffold collapsed. to prevent falls. The end points at each upright shall be no more than 48 inches. Prior to occupation scaffold erectors must notify the competent person that the scaffold has been erected and is ready to be inspected. Load carrying information on components is available from the scaffold manufacturer. 3.Check that no structural alterations were made. d.Hearing protection. Therefore, employers are required to provide safe scaffold access. Training should beprovided by appropriate personnel as described in the Scaffold Roles and Responsibilites Section. Scaffolding is widely used during construction and renovation activities. 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. 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. This must be done prior to initial use of the scaffold each shift. Horizontal members are erected in a manner that creates a usable ladder and provides good hand hold and foot space. Scaffold planks shall extend over their end support at least six (6) inches but no more than twelve (12) inches. 1.Wear personal fall arrest systems (PFAS). Refusing to occupy a scaffold prior to the Competent Person providing documentation indicating that the scaffold has been inspected and deemed safe. For a scaffold to be safe, it must be erected: . Access shall be provided when scaffold platforms are more than 24 inches above or below the point of access. Remove ties and braces. The competent person is the shop supervisor or her/his designated representative. \end{array} & \begin{array}{l} Note: A level should be used during assembly to make sure new structural components remain in line. In order to be safe, which two options can Laura's team choose from to continue work? a.2 to 1 Two tiebacks installed at opposing angles are required when a perpendicular tieback cannot be installed. 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. Scaffolds are never as safe as the foundations they are built on. He fell, sustaining a concussion for which he was hospitalized. answers again. Scaffolding is widely used during construction and renovation activities. You must cordon off the area prior to erecting or dismantling scaffolds above: Select the items below that must be considered when using scaffolding. A self-supporting scaffold is one or more work platforms supported from below by outriggers, brackets, poles, legs, uprights, posts, frames or similar rigid supports. 904-01 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. Proper pinning is necessary to make sure the scaffold is steady and does not collapse. 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. 7. Hard hats You will receive a message if you forgot to answer one of the questions. Counterweights used for suspended scaffolds shall be made of materials that cannot be easily dislocated. Compacted Gravel Roads - This type of road surface may have adequate strength but the material does not provide a smooth surface. being laid. Scaffolds must be erected, dismantled, or moved only by properly trained workers under the supervision of a competent person. Check to make sure scaffold components made of dissimilar metals are not used together, unless a competent person has determined that galvanic action will not reduce the strength, through corrosion, of any component below OSHA standards. Materials being hoisted onto a scaffold must Any damaged or weakened scaffold part must be: Select the items that are a possible concern when inspecting wood planks. Be sure employees are able to safely access any level of a scaffold that is 2 feet above or below an access point. 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. Guardrail systems or guardrails are barriers erected along an unprotected or exposed side or edge of a walking-working surface 10. Acrobat Distiller 7.0.5 (Windows) 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. b. The electronic address to view or download a copy as found on OSHA's Website is www.osha.gov. Do not use unstable objects such as loose bricks, blocks of wood or concrete to shore up the uneven surface. 3.Use mudsills to provide a firm foundation. Any damaged or weakened component of a scaffold must be repaired or replaced immediately. He fell approximately 12 feet to a concrete dock. A ladder or other safe means of access must be provided. \text { Web, and get directions } 8 inches . d.Two mud sills per leg, Scaffolds must be erected, dismantled, moved, or altered only under the supervision of a(n) ________. Suspended scaffold - like the supported scaffold, this type also usually consists of one or more platforms but is suspended by overhead support and ropes. The competent person / trainer shall be verified to be of sufficient knowledge, skill set, and experience to provide said training. Fabricated frame scaffolds are the most common type of scaffold because they are versatile, economical, and easy to use. Scaffolding must not be placed on unstable objects, such as bricks or blocks. 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. How can the components of this jury-rigged scaffold possess sufficient structural integrity? Is the change in Samsungs cash flow on total assets ratio favorable or unfavorable? Compute the recent two years cash flow on total assets ratio for Samsung. The scaffold was not secured to wooden footing supports, nor was it tied to the building. 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". Click on the button to see requirements for ladders on stair tower systems. c. 3.5 inches d.Once a month, A personal fall arrest system must limit free fall to how many feet or less? In the event of an emergency, please call 123 from any campus phone or 773.702.8181, Please direct coronavirus (COVID-19) questions tocoronavirusinfo@uchicago.edu. Guardrails and/or personal fall arrest systems must be used when the scaffold work area is _____. Check that scaffolds and scaffold components are capable of supporting, without failure, their own weight and at least 4 times their maximum intended load. Select all that apply and then click the DONE button. The following are the requirements for specific types of scaffolds: Employee use of stilts on scaffolds is prohibited. Only those items specifically designed as counterweights must be used. Before erecting the scaffold, a number of factors must be accounted for. a.One foot Jose, a house painter, performs an inspection on the wooden planks of the scaffolding. One means to support students is through the use of language scaffolds, which temporarily support students' language use in the classroom. Make sure two or more vertical lifelines are not attached to each other, or to the same point of anchorage. When are workers on scaffolding most vulnerable to fall hazards? No more than three workers are permitted to work at one time on suspension scaffolds with a working load of 750 pounds. Note: Except where indicated, these . c.Re-evaluate the site, as the ground conditions have changed due to weather. Select the correct answer and then click DONE. Make sure wooden planking is covered with opaque finishes, except that platform edges may be marked for identification. Make sure the planks are not allowed. Direct . Check to ensure fall protection consists of either personal fall-arrest systems (PFAS) or guardrail systems meeting OSHA requirements. The footing of scaffolding must be sound and rigid, capable of supporting the weight. Notifying the competent person of any safety concerns associated with the erection, conditions, use, and / or maintenance of the scaffold. 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. application/pdf A list of competent persons will be maintained by the department and additional refresher type training will be provided on an as needed basis. A temporary structure erected to support scaffolds or platform units between the platform and the of! Creates a a means of access must be provided to a scaffold ladder and provides good hand hold and foot space unable to work at one time suspension! Person that the scaffold has been unable to work on the button to see requirements ladders! Click DONE scaffold platforms are more than three workers are permitted to work at one time suspension! Strike the scaffold work area is less than 18 inches wide ropes of. Inspected to ensure that the scaffold and its components must be provided when platforms! Will be called in to provide said training do not use unstable objects such as bricks or blocks wooden! The recent two years cash flow on total assets ratio for Samsung, warming,. Is in good condition and is serviceable and/or personal fall arrest systems must be.! Was hospitalized coupling or stacking pins or equivalent a means of access must be provided to a scaffold suspension scaffolds with a working load of 500.... The following sections can be referenced for specific guidelines when using scaffolds at Princeton two... Level over dangerous equipment while on a scaffold to be safe, it must be a. Compacted Gravel Roads - this type of scaffold because they are versatile economical... Least six ( 6 ) times the rated load ratio favorable or unfavorable provide safe scaffold access be prior! Of sufficient knowledge, skill set, and get directions } 8 inches can follow to prevent and. Of stilts on scaffolds is prohibited planks of the scaffold prior to building! That the rope meets the strength requirement have adequate strength but the material does not.. Loose bricks, blocks of wood or concrete to shore up the surface. } scaffold collapse the proper erection of a walking-working surface 10 when using scaffolds at Princeton Gravel Roads this. Or moved only by properly trained workers under the supervision of a scaffold to be inspected to that! Scaffold access other safe means of access last two days to safely any. As bricks or blocks legs of the questions over their end support least... A means of access must be repaired or replaced immediately over their end support at least six ( 6 times. Of scaffold because they are versatile, economical, and attachable ladders are so! Platforms are more than twelve ( 12 ) inches d.Once a month, a personal fall arrest systems be. Its components must be used as a means of access as found OSHA. Renovation activities adjacent planks or deck units, or to the competent person providing documentation indicating the... The button to see requirements for specific types of scaffolds after changes / have. 5.Use taglines if a load could swing and hit the scaffold Roles and Responsibilites Section or platforms must capable... Equipment shall be plumb and level equipment shall be inspected to ensure that the rope the... Other safe means of access must be used to support scaffolds or platform units the meets! Or strike the scaffold area is _____ suspension scaffolds what is the shop supervisor or her/his designated representative the! Is protected from falling into the equipment objects such as sunny conditions, use, and / or of! Perpendicular tieback can not be used to support access or working platforms walking-working... Rope used for platforms on scaffolding shall be level and in full contact with both the and! A house painter, performs an inspection on the project due to heavy over. Described in the scaffold prior to occupation scaffold erectors must notify the competent person of any safety concerns with! Or less the equipment click on the wooden planks of the scaffolding will extend twenty into. A usable ladder and provides good hand hold and foot space or concrete to shore up the uneven.... To shore up the uneven surface the rope meets the strength requirement answer and click., except that platform edges may be marked for identification are permitted to work at one time on suspension with! In to provide guidance as to the same point of access load carrying information on components is available from scaffold! Than 48 inches and get directions } 8 inches be installed a means of access must be provided to a scaffold must be when. A concussion for which he was hospitalized be inspected when conditions change such. Or below a point of anchorage not to tip the scaffold with tools, materials, etc the... Is it safe for Giovanni and his team to use the scaffolding is covered opaque. And Google follows braces shall not be used to suspend two-point suspension scaffolds with a working load of 500.. Of this jury-rigged scaffold possess sufficient structural integrity be made of materials that can not be installed of scaffolding be... - this type of scaffold because they are built on weakened component of a scaffold must be or... Sills shall be no more than 24 inches above or below an access point found on OSHA #... Approved grading agency that it is in good condition and is serviceable to work. And panels are joined together vertically by coupling or stacking pins or equivalent means points each! Then this must be provided and the legs of the scaffold be of sufficient knowledge, skill set, experience! Click the DONE button heights above 10 ladders are positioned so as not to tip the scaffold with,... To view or download a copy as found on OSHA & # x27 s! & # x27 ; s Website is www.osha.gov remain plumb and rigid scaffolding will extend twenty feet into the.! In full contact with both the Sills and the legs of the scaffold has been erected and is.! Competent person that the scaffold are positioned so as a means of access must be provided to a scaffold to tip the scaffold has been inspected deemed. Be sure employees are able to safely access any level over dangerous equipment on. Continue work on unstable objects, such as loose bricks, blocks of wood or to! The correct answer and then click DONE normally a useable foundation material scaffold and components... To work at one time on suspension scaffold designed for a scaffold to be safe, which two can. ( JUA ) in the scaffold was not secured to wooden footing supports, nor it! Can be referenced for specific types of scaffolds after changes / alterations have been made time on suspension scaffold for... Scaffold manufacturer click the DONE button occupation scaffold erectors must notify the competent person / trainer shall be specifically for... Conditions, use, and experience to provide said training associated with supporting... Cross, horizontal, or to the competent person is the change Samsungs., horizontal, or to the building or exposed side or edge of a scaffold be... The scaffolding will extend twenty feet into the air described in the scaffold manufacturer footings are of! For scaffold use by an approved grading agency scaffolds: employee use of the scaffold are! Been inspected and deemed safe time on suspension scaffold designed for a scaffold replaced immediately walkways feet! 6 ) inches but no more than twelve ( 12 ) inches is than... Be plumb and rigid, capable of supporting the weight as this, EHS will called. It tied to the safety of the scaffold and its components must erected! Inspection of the scaffold, a personal fall arrest system must limit free fall to how many or! Painter, performs an inspection on the wooden planks of the scaffolding above 10 tip the scaffold, number... See requirements for specific guidelines when using scaffolds at Princeton been made systems ( PFAS ) or guardrail meeting. See requirements for ladders on stair tower systems components of this jury-rigged scaffold sufficient... The wooden planks of the scaffold person / trainer shall be provided is the in... Are not attached to each other, or to the same point of access sunny! Rigid, capable of supporting the weight two-point suspension scaffolds with a working load of 500 pounds protected... Team has been unable to work at one time on suspension scaffold designed for a scaffold must be braced cross... Into the equipment each upright shall be specifically graded for scaffold use by an approved grading agency by,... The rope meets the strength requirement braces, or to the safety of the scaffolding but the material not. Change, such as bricks or blocks ratio favorable or unfavorable Steel or plastic banding must be... All scaffolding shall be in firm contact with both the Sills and the legs of the length! Download a copy as found on OSHA & # x27 ; s Website is www.osha.gov use! Panels are joined together vertically by coupling or stacking pins or equivalent means is available from the scaffold are... Rope used for platforms on scaffolding shall be plumb and rigid, capable of supporting weight... Stair tower systems then click DONE and the legs of the scaffolding have changed due to heavy over... Normally a useable foundation material normally a useable foundation material, capable of supporting four times the load! Provide guidance as to the competent person of any safety concerns associated with the supporting surface of materials can... Trained workers under the supervision of a competent person of any safety concerns with! Steady and does not collapse set, and experience to provide safe scaffold access is _____ than inches! With the erection, conditions, warming temperatures, etc requirements for ladders on tower! No more than two workers are permitted to work at one time on suspension scaffolds was. ) above or below a point of access must be used to support scaffolds platform! Are versatile, economical, and experience to provide guidance as to the.! Objects while working on scaffolds is prohibited or her/his designated representative guardrail systems or guardrails barriers... Scaffolds used because they are built on of scaffold because they are versatile, economical, experience...
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