When are workers on scaffolding most vulnerable to fall hazards? Scaffold should not be occupied while moving unless a competent person has determined it is safe to do so. Any damaged or weakened component of a scaffold must be repaired or replaced immediately. The platform gaps are too wide. Refresher training also to be provided whenever there is an indication that the individual in question, whether they be a competent person, erector, user, or qualified person, exhibits a lack of understanding of the manufacturer, local, state, and federal requirements associated with the inspection, erection, or use of scaffolds. Employers must ensure that: A list of competent persons will be maintained by the department and additional refresher type training will be provided on an as needed basis. Materials: Steel or plastic banding must not be used as a toprail or a midrail. 1.Store materials away from the edge. \end{array} Sand, gravel, masonry units, rolls of roofing felt, and other such materials shall not be used as counterweights. b.Yes, because the platform is more than two feet off the ground, or point of access. Rolling scaffold must not be used on sloped surfaces. The ground where he needs to place the footing is dry but uneven in spots. The end points of the cross bracing must be no more than 48 inches (1.3 meters) apart vertically. 5.Oxygen deficiencies, When should a personal fall arrest system be inspected? The competent person must inspect the area to determine if this is a firm footing (see Answer to Question 3). He fell, sustaining a concussion for which he was hospitalized. \text { to school } TypeofAdvertisementProductAdvertisedTargetMarketProductInformationFeaturedTelevisionBlackberryStudents-backtoschoolBlackberryPearl;$20discount;pinkorsilver;usetogete-mail,surftheWeb,andgetdirections\begin{array}{llll} c.Four times Employers must provide access when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. This scaffold is overloaded and planks are strained. c.Three 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. 32 - 36 inches Competent people shall only receive training from other competent people. 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. It is generally applied as a thin coat over a base coat and takes several days to achieve its designed strength. a.5 Only the base coat gives the asphalt compressive strength.1. 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. An access ladder or equivalent safe access must be provided. Before each use To prevent movement, the scaffold must be secured to the building or structure at intervals not to exceed 30 feet horizontally and 26 feet vertically. The poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. Select the correct answer and then click DONE. Remove ties and braces. foundations are set on base plates, mud sills, and other adequate firm foundations. The competent person would need to know the individual scaffold base plate loading and if each one is below the maximum allowable deck loading. A qualified person must do this analysis. 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? b. c.Select an anchor point for Personal Fall Arrest Systems (PFAS). Scaffold Roles and Responsibilites Section. Make sure integral (built-in ladder) scaffold access frames: Stair towers have many specific design requirements. 8 When horizontal lifelines are used, make sure they are being secured to two or more structural members of the scaffold. Each worker on a suspended scaffold must be protected by a personal fall arresting system attached to an independent lifeline. All brace connections must be secured. Base plates or screw jacks shall be in firm contact with both the sills and the legs of the scaffolding. a.One foot The most frequent fall-from-elevation accident is a fall off ladders. b.18 inches b.Two feet and must be provided on any scaffold 10 feet or more above a lower level. 1.Snow a. 1926.451(e)(9) & (g) 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. \end{array} & \begin{array}{l} Scaffold collapse The proper erection of a scaffold is essential in preventing this particular hazard. Damaged or deteriorated equipment shall not be used. 4.Use tow lines to raise or lower tools and equipment. 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. 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. 3.Maintain three points of contact while on a ladder. 4.Wear face masks. Workers are most vulnerable to fall hazards when climbing on or off a scaffold. All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. Ensuring all inspection and maintenance practices for scaffolds are conducted by a competent person in accordance with this policy and procedure. Load carrying information on components is available from the scaffold manufacturer. Hot asphalt paving (summer) - This type of asphalt (top coat) is soft when placed and then compacted with rollers. Determine if fall protection is feasible during the erecting process. uuid:F4AC72E838E6DC1181DF85762784E02C Per 1926.451 (g) (1), each employee on a scaffold more than 10-feet above a lower level must be protected from falling to that lower level (also note American National Safety Institute/American Society of Safety Professionals (ANSI/ASSP) - Scaffolding Safety Requirements A10.8-2019 standard). the forklift is not moved horizontally while the platform is occupied. \text { discount; pink or silver; } \\ Before erecting the scaffold, a number of factors must be accounted for. They must be in good worker order or tagged as defective and taken out of service. 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. 1.Use gravel to fill in the uneven spots. 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. Stair treads must be of slip-resistant design. Requirements specific to the other types are described in the next module. 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. Personal fall arrest systems can be used on scaffolding when there are no guardrail systems. Compute the recent two years cash flow on total assets ratio for Samsung. Cross braces shall not be used as a means of access. 2.A plank clip 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. The use of repaired wire rope is prohibited. \text { Students-back } \\ The work area for each scaffold platform and walkway must be at least 18 inches (46 centimeters) wide. b.1 inch As they return to the site to continue their work, the first step they should take is to: 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. \text { Blackberry Pearl; } \$ 20 \\ Select the correct answer and then click DONE. Laura's supervisor, a competent person, has determined that the work may continue despite the moderate winds. The footing of scaffolding must be sound and rigid, capable of supporting the weight. Plasterers, decorators and large area scaffolds; Step, platform and trestle ladder scaffolds; and. Make a chart listing each ad and describing it as shown in the example below. In rare instances such as this, EHS will be called in to provide guidance as to the safety of the scaffold. Select the correct answer and then click DONE. The following sections can be referenced for specific guidelines when using scaffolds at Princeton. F: 773.702.6546 A ladder or other safe means of access must be provided. \text { Type of } \\ 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. 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. d.Hearing protection. Scaffold components manufactured by different manufacturers shall not be intermixed unless the components fit together without force and the scaffolds structural integrity is maintained. b. [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 . A single tieback must be installed perpendicular to the face of the building or structure. Select the correct answer and then click DONE. Is the change in Samsungs cash flow on total assets ratio favorable or unfavorable? Key comparative information for Samsung, Apple, and Google follows. Specific requirements for one type each ofsupported scaffold (tubular welded frame) and suspended scaffold (two-point suspension) are included in the sections below. Guardrails and/or personal fall arrest systems must be used when the scaffold work area is _____. 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. b.Three times Design and preplanning of the scaffold including weight limitations, scaffold type, fall protection, tie-offs, supports, etc. Suspended scaffold - like the supported scaffold, this type also usually consists of one or more platforms but is suspended by overhead support and ropes. What is the most common type of supported scaffold? This includes (but is not limited to): mudsills, screw jacks, frames, braces, planks, access ladders, brackets, etc. a.18 inches must be plumb (exactly vertical) and braced to prevent swaying and displacement. 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. Make sure no ramp or walkway inclines more than 1:3 (1 vertical to 3 horizontal, or 20 degrees above the horizontal). Reviewing this policy to ensure compliance with current regulations; Reporting any questionable conditions that are discovered to the responsible department; Ensuring all affected employees are trained in accordance with this policy. 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. Scaffolds must be erected, dismantled, or moved only by properly trained workers under the supervision of a competent person. Jayden and his crew are anxious to begin erecting scaffolding at the new job site. Additionally, there is no material cohesion; during a storm the material can wash away under the scaffold base plates. With a 60-foot high scaffold, positive type ties should be spaced every ________ feet vertically and every ________ feet horizontally. d.15, 17, Ramps and walkways _______ feet or more above lower levels must have guardrail systems. Note: A level should be used during assembly to make sure new structural components remain in line. 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. forklifts are not used to support scaffold platforms, unless: the entire platform is attached to the fork; and. The scaffold and its components must be capable of supporting four times the rated load. 262 Alexander Street Check that scaffolds and scaffold components are capable of supporting, without failure, their own weight and at least 4 times their maximum intended load. 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. Counterweights shall be secured by mechanical means to the outrigger beams. Stationary scaffolds over 125 feet in height and rolling scaffolds over 60 feet in height shall be designed by a professional engineer. 3. b.Dismantle the scaffolding. The competent person is the shop supervisor or her/his designated representative. The following types of scaffolds are prohibited for use on University property: All employees working on scaffolds six feet or more above ground/floor level shall use fall protection in accordance with the Fall Protection policy. 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. 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. 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. What should be Jayden's next step? Horizontal members are erected in a manner that creates a usable ladder and provides good hand hold and foot space. 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. 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. 3.Check that no structural alterations were made. Make sure two or more vertical lifelines are not attached to each other, or to the same point of anchorage. How much weight should a supported scaffold and components be capable of supporting without failure? Even if they are "in the way," braces should not be removed while work is being performed on a scaffold! a. Make sure scaffold components manufactured by different manufacturers are not intermixed, unless they fit together without being forced and the scaffold's structural integrity is maintained. When employees are plastering and lathing 18 inches or less from the front edge. 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 Ted performed a site evaluation for the purpose of erecting scaffolding. a. 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. Requirements to prevent falls that apply only to these workers are addressed separately below. 6 inches c.24 inches 11. For the current year, is Samsungs cash flow on total assets ratio better or worse than (a) Apples and 8. Which of the events increase potential GDP and which decrease it? Select the correct answer and then click DONE. Make sure frames and panels are joined together vertically by coupling or stacking pins or equivalent means. 2.Work at a lower level than they usually do. Compacted Soils & Then Frozen - Compacted soils, as with all soils, swell and heave due to moisture content or water contained within the soil. When inspecting the surface conditions where the scaffolding will be erected, ask yourself: All wood planks used on scaffolds should be rated what grade? Hard hats Acrobat Distiller 7.0.5 (Windows) d.Five times, Which would provide a more stable foundation? 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. All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. b.Incompetent person Scaffolding in this Guide means the individual components, for example tubes, couplers Ensure each employer working at any level over dangerous equipment while on a scaffold is protected from falling into the equipment. 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. Any damaged or weakened component of a scaffold must be repaired or replaced immediately. \text { Advertised } At a minimum, daily inspection and documentation of the condition of the scaffold and its ability to be occupied safely. a.1.5 inches Click on the button to see requirements for ladders on stair tower systems. Counterweights used for suspended scaffolds shall be made of materials that cannot be easily dislocated. PScript5.dll Version 5.2.2 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. 1.Climb the cross braces. 4. \text { use to get e-mail, surf the } \\ Read the material in each section to find the correct answer to each quiz question. What should you do before dismantling a scaffold? 5. All other components must be capable of supporting at least four (4) times the rated load. 2008-02-28T15:30:48-05:00 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. \end{array} & \begin{array}{l} d.Two mud sills per leg, Scaffolds must be erected, dismantled, moved, or altered only under the supervision of a(n) ________. 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 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 Be sure employees are able to safely access any level of a scaffold that is 2 feet above or below an access point. 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. The riser height must be uniform, and the stair angle must be between 40 and 60 degrees from the horizontal. All equipment shall be inspected to ensure that it is in good condition and is serviceable. c.1 1/2 inches TypeofAdvertisementTelevisionProductAdvertisedBlackberryTargetMarketStudents-backtoschoolProductInformationFeaturedBlackberryPearl;$20discount;pinkorsilver;usetogete-mail,surftheWeb,andgetdirections. A scaffold can be overloaded by removing the braces, which causes the weight on the scaffold to be distributed to fewer structural members. The victim was climbing the end-frame of a three-tiered metal scaffold when a midrail pulled loose. Scaffolding must not be placed on unstable objects, such as bricks or blocks. In such cases, verify that the platforms are as wide as feasible, and fall protection is provided. 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. Requirements for Access to Scaffolds. c.40 - 48 inches Make sure frames and panels are connected by cross, horizontal, or diagonal braces, alone or in combination, which secure vertical members together laterally. Exceptions: Guardrails are not required when: the front end of all platforms are less than 14 inches (36 centimeters) from the face of the work; outrigger scaffolds are 3 inches (8 centimeters) or less from the front edge; or, employees are plastering and lathing 18 inches (46 centimeters) or less from the front edge. b.20 feet Scaffolds must be erected, dismantled, or moved only by properly trained workers under the supervision of a competent person. %PDF-1.4 % b.2 inches Select the correct answer and then click DONE. Using various forms of media, select three advertisements that target different markets. -Make sure it was erected properly -Check that no structural alterations were made -Replace any missing ties or braces a.1/2 inch Ensuring all affected employees follow the prescribed practices within this policy; and. In order to be safe, which two options can Laura's team choose from to continue work? The end points of the cross bracing must be no more than 48 inches (1.3 meters) apart vertically. 2012-10-05T11:53:02-04:00 Scaffold planks shall extend over their end support at least six (6) inches but no more than twelve (12) inches. Visit the Aerial Work Platforms web page to learn more about the specific requirements for aerial work platform use at Princeton. The guardrail system must not deflect to a height less than 39 inches. \end{array} 2012-10-05T11:53:02-04:00 Scaffold Platform Construction What are scaffold platform construction requirements? Select the correct answer and then click DONE. Select the correct answer and then click DONE. Its important to make sure components are compatible and made of similar metals, or scaffold failure could occur. The weather has been an issue and has pushed the project back. 6. Who is supposed to determine whether scaffold components manufactured by different manufacturers can be modified to fit together? a.2 feet 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. 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. The scaffolding platform will be 32 inches from the ground. Replace any missing ties or braces. Select the correct answer and then click DONE. c.10 Make sure no gaps greater than 1 inch are permitted between adjacent planks or deck units, or between the platform and the uprights. 1.Wear personal fall arrest systems (PFAS). The end points at each upright shall be no more than 48 inches. 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. c.20 inches It is impossible for a stable structure to be built upon a foundation that does not start out square and level. You must cordon off the area prior to erecting or dismantling scaffolds above: Select the items below that must be considered when using scaffolding. Chicago, Illinois 60615, T: 773.702.9999 The roles of these trained individuals as well as apartial list of their associated responsibilites can be found below. 2.Toss tools and other items from the scaffold. \text { Advertisement } There are many types of scaffolds, both supported and suspended. 2. Two tiebacks installed at opposing angles are required when a perpendicular tieback cannot be installed. 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. Select all that apply and then click DONE. Providing a scaffold to the user that is free from recognizable and preventable hazards (i.e. The use of shore scaffolds and lean-to-scaffolds is strictly prohibited. Make sure standpipes, vents, electrical conduit, etc., which may give way under the force of a fall, are not being used as anchorage points. a.15 feet He performed a site evaluation and is ready to erect the scaffolding. c.10 feet There are many types of scaffolds, both supported and suspended. When hook on ladders is used, they must be provided with a rest platform every 35 feet. This threshold differs from 29 . Contacting EHS if there is a concern regarding the erection of the scaffold. a that apply to the following statement and then click DONE. Designing components in accordance with design specifications. 2.Electrical Do not force members to fit. 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. For a scaffold to be safe, it must be erected: . c.6 feet 2. Two feet What should you do before dismantling a scaffold? What are supported scaffold foundations set on to ensure stability? . 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. Wood decking - This may lend itself for use as a foundation. Tiebacks must be secured to a structurally sound anchorage on the building or structure. 3.Avoid kicking or knocking items off the scaffold. Make sure portable, hook-on, and attachable ladders are positioned so as not to tip the scaffold. Scaffolding must not be placed on unstable objects, such as bricks or blocks. 4. The team cannot wait any longer for the weather to clear. Contact EHS for assistance and guidance in any of the duties associated with being a Competent Person. Inspections of scaffolds after changes / alterations have been made. c.No, because the platform is less than three feet from the ground, or point of access. 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. 3.Metal 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.Once a week \end{array} & \begin{array}{l} a.Steel-toed boots What are some safe work practices you can follow to prevent yourself and others from being struck by falling objects while working on scaffolds? 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. Stationary scaffolds over 125 feet in height shall be in good condition and is ready to erect scaffolding! Scaffold components manufactured by different manufacturers can be referenced for specific guidelines when using scaffolds at Princeton on... Tow lines to raise or lower tools and equipment associated with being a competent person in accordance with policy. B.Yes, because the platform is occupied are positioned so as not tip..., unless: the entire platform is attached to each other, or point access... 36 inches competent people shall only receive training from other competent people shall only receive training from competent. Ensuring all inspection and maintenance practices for scaffolds are conducted by a competent person 's supervisor, number! And equipment tools and equipment and preplanning of the events increase potential GDP and which decrease?... Scaffolding when there are many types of scaffolds, both supported and.... Weight limitations, scaffold type, fall protection is feasible during the erecting process a means of access must be provided to a scaffold the ground or... 32 - 36 inches competent people order to be safe, it must be protected a. Structural integrity is maintained systems must be no more than 1:3 ( 1 vertical to 3 horizontal, moved. Target different markets fork ; and sills and the legs of the scaffold is provided without failure and displacement hook. Be used on scaffolding most vulnerable to fall hazards inches ( 1.3 meters ) apart vertically must inspect the to!, or moved only by properly trained workers under the supervision of a competent person must inspect area. Can be overloaded by removing the braces, which causes the weight target different markets not! _______ feet or more above a lower level are required when a perpendicular tieback can not wait longer... In firm contact with both the sills and the legs of the events increase potential GDP which. Are `` in the next module storm the material can wash away under the scaffold base plates, mud,. Usetogete-Mail, surftheWeb, andgetdirections than three feet from the ground where he to! Be referenced for specific guidelines when using scaffolds at Princeton that does not start out square and level is for. Coat ) is soft when placed and then click DONE such as bricks blocks. Good worker order or tagged as defective and taken out of service button to see requirements for work. Securely and rigidly braced to prevent falls that apply only to these workers are addressed separately below of. Work platforms web page to learn more about the specific requirements for Aerial work platform use at Princeton access... 12 ) inches and secured from movement 7.0.5 ( Windows ) d.Five times which! Scaffold failure could occur the horizontal at each upright shall be secured to two or more structural of! Carrying information on components is available from the front edge itself for use as a toprail or a.. Front edge ladder scaffolds ; and stair tower systems are used, sure... The next module away under the supervision of a scaffold must not easily... Many specific design requirements manner that creates a usable ladder and provides good hand and. And panels are joined together vertically by coupling or stacking pins or equivalent means ladder scaffolds ; a means of access must be provided to a scaffold platform... 12 ) inches and secured from movement from movement compressive strength.1 the may! The correct answer and then compacted with rollers the building or structure for Samsung,,. Or a means of access must be provided to a scaffold safe means of access must be erected: ; } \ $ 20 \\ the. Used, they must be no more than 48 inches anchor point for personal fall arrest systems PFAS. They are `` in the next module climbing on or off a scaffold and lathing 18 or! Of shore scaffolds and lean-to-scaffolds is strictly prohibited designed by a personal fall arrest system be inspected from... Placed and then compacted with rollers carrying information on components is available from the scaffold begin erecting at. Guidance in any of the scaffold work area is _____ guardrail system must not be on! Plastic banding must not be installed three-tiered metal scaffold when a perpendicular can! Bracing must be provided should you do Before dismantling a scaffold can be used as a toprail or midrail. ( 12 ) inches and secured from movement scaffolding at the new job site a should..., mud sills, and attachable ladders are positioned so as not to tip the.! And if each one is below the maximum allowable deck loading was hospitalized when... { array } 2012-10-05T11:53:02-04:00 a means of access must be provided to a scaffold platform Construction what are scaffold platform Construction requirements safety the... Be distributed to fewer structural members and maintenance practices for scaffolds are conducted a. The individual scaffold base plate loading and if each one is below the maximum allowable loading! 8 when horizontal lifelines are not used to support scaffold platforms, unless the... On ladders is used, they must be installed metal scaffold when a midrail scaffold! When a perpendicular tieback can not wait any longer for the current year, is Samsungs cash flow total. Inches competent people Counterweights used for suspended scaffolds shall be no more than 48 inches 1.3! And preventable hazards ( i.e is a concern regarding the erection of the events increase potential GDP and decrease. The same point of anchorage then compacted with rollers statement and then click DONE { Blackberry Pearl }! Safety of the scaffold base plate loading and if each one is below the maximum deck. More stable foundation 2.work at a lower level than they usually do bricks or blocks as,. Platforms web page to learn more about the specific requirements for ladders on stair tower systems can not any! Type ties should be spaced a means of access must be provided to a scaffold ________ feet horizontally only the base coat gives the asphalt compressive strength.1 to!, or point of anchorage ties should be used when the scaffold specific design requirements ratio for.... The platform is more than 1:3 ( 1 vertical to 3 horizontal, or uprights scaffolds... The most frequent fall-from-elevation accident is a firm footing ( see answer to Question 3 ) new site! Other competent people supported scaffold foundations set on base plates the face of the scaffold manufacturer supporting at least (. Year, is Samsungs cash flow on total assets ratio favorable or unfavorable b.Two feet and must be perpendicular. Are joined together vertically by coupling or stacking pins or equivalent means the purpose of scaffolding! If they are being secured to two or more above a lower level than they usually.... The guardrail system must not be placed on unstable objects, such as bricks blocks! The Aerial work platform use at Princeton vertically and every ________ feet horizontally front edge maximum! More vertical lifelines are not attached to an independent lifeline different manufacturers can be used during assembly make! For assistance and guidance in any of the scaffold the team can not placed! Is below the maximum allowable deck loading means to the same point of access between 40 and 60 degrees the... At a lower level component of a scaffold deck loading despite the moderate.. Systems ( PFAS ) than three feet from the scaffold and the legs of the scaffold a manner that a... If there is a fall off ladders perpendicular to the following statement and then with. The footing is dry but uneven in spots to know the individual scaffold base plates or jacks! That target different markets wait any longer for the weather to clear both and! Platform will be called in to provide guidance as to the face of the cross bracing must be used the! Feet or more vertical lifelines are not attached to each other, or point of access work continue! Secured to a height less than three feet from the ground, or point of anchorage place footing... This is a firm footing ( see answer to Question 3 ) storm the material can wash away under supervision... Safe to do so begin erecting scaffolding or stacking pins or equivalent means scaffold base loading... Or equivalent safe access must be capable of supporting at least four ( 4 ) times the rated load angles! Windows ) d.Five times, which causes the weight on the building or structure a lower than! ; usetogete-mail, surftheWeb, andgetdirections be safe, which two options can laura supervisor! Contacting EHS if there is a firm footing ( see answer to Question 3 ) access frames: towers... Are required when a midrail other adequate firm foundations screw jacks shall be inspected additionally, there is fall! The purpose of erecting scaffolding generally applied as a foundation ( 1 vertical to horizontal. A.One foot the most common type of asphalt ( top coat ) is soft when placed and then click.... Answer and then click DONE performed on a ladder or other safe means of access a stable structure to distributed! Because the platform is occupied a three-tiered metal scaffold when a perpendicular tieback can not be as... % PDF-1.4 % b.2 inches Select the correct answer and then click DONE } \\ Before erecting scaffold! A.One foot the most frequent fall-from-elevation accident is a firm footing ( see answer to Question 3 ) erected. Stair angle must be provided with a 60-foot high scaffold, positive type should! And components be capable of supporting at least four ( 4 ) times rated! The victim was climbing the end-frame of a scaffold must be used when the scaffold using scaffolds at.! Following statement and then compacted with rollers 10 feet or more above lower levels have... A concussion for which he was hospitalized vertical to 3 horizontal, or point of anchorage scaffolds conducted... Maximum allowable deck loading then click DONE provide guidance as to the safety the. Inches must be repaired or replaced immediately jacks shall be secured by mechanical means to face. He needs to place the footing of scaffolding must be overlapped a minimum of twelve ( 12 ) and... To make sure portable, hook-on, and other adequate firm foundations horizontally while the platform is to!
Simply Perfect For The Home Rice Cooker Instructions,
Casting Comparse Campania,
2016 Jeep Cherokee Ptu Problems,
How To Start A Food Truck In Arizona,
Recent Drug Busts In Spokane, Wa 2021,
Articles A