a means of access must be provided to a scaffold

Scaffolding in this Guide means the individual components, for example tubes, couplers 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. Designing components in accordance with design specifications. The end points of the cross bracing must be no more than 48 inches (1.3 meters) apart vertically. 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. Visit the Aerial Work Platforms web page to learn more about the specific requirements for aerial work platform use at Princeton. The platform gaps are too wide. The electronic address to view or download a copy as found on OSHA's Website is www.osha.gov. 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. Cross braces shall not be used as a means of access. 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. EHS staff Competent person, or qualified person). This includes (but is not limited to): mudsills, screw jacks, frames, braces, planks, access ladders, brackets, etc. 2.Work at a lower level than they usually do. Using wire to connect bracing is not safe. d. 14 feet, What must be worn at all times while working from scaffolding? a. 8 inches The top edge height on supported scaffolds manufactured or placed in service before January 1, 2000, and on all suspended scaffolds where both a guardrail and a personal fall arrest system are required shall be between 36 45 inches; When mid-rails, screens, mesh, intermediate vertical members, solid panels, or equivalent structural members are used, they shall be installed between the top edge of the guardrail system and the scaffold platform; When mid-rails are used, they shall be installed at a height midway between the top edge of the guardrail system and the scaffold platform; When screens and mesh are used, they shall extend from the top edge of the guardrail system to the scaffold platform, and along the entire opening between the supports; When intermediate members are used, they shall not be more than 19 inches apart; Each top rail or equivalent member of a guardrail system shall be capable of withstanding a force of at least 100 pounds for systems on single-point adjustable suspension or two-point adjustable suspension scaffolds, and at least 200 pounds for guardrail systems installed on other scaffolds; When the loads specified above are applied in a downward direction, the top edge shall not drop below the height above the platform surface required above; Mid-rails, screens, mesh, intermediate vertical members, solid panels and equivalent structural members shall be capable of withstanding a force of at least 75 pounds for systems with a minimum 100 pound top rail capacity, and at least 150 pounds for systems with a minimum 200 pound top rail capacity; Guardrails shall be surfaced to prevent injury to an employee from punctures or lacerations and prevent snagging of clothing; The ends of all rails shall not overhang the terminal posts except when such overhang does not constitute a projection hazard; Steel or plastic banding shall not be used as a top rail or mid-rail; Manila or plastic (or other synthetic) rope being used for top rails or mid-rails shall be inspected by a competent person as frequently as necessary; and. 5.Use taglines if a load could swing and hit the scaffold. 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. c. 3.5 inches 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. 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. Which of the events increase potential GDP and which decrease it? 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. The scaffold was not secured to wooden footing supports, nor was it tied to the building. Design and preplanning of the scaffold including weight limitations, scaffold type, fall protection, tie-offs, supports, etc. 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. Platforms shall be entirely planked and decked with space not more than one inch wide between the platforms and uprights; The platform shall not deflect more than 1/60 of the span when loaded; All platforms shall be kept clear of debris or other obstructions that may hinder the working clearance on the platform; Wood planks shall be inspected to see that they are graded for scaffold use, are sound and in good condition, straight grained, free from saw cuts, splits and holes; Platforms and walkways shall be at least 18 inches in width. Select the correct answer and then click DONE. The scaffolding will extend twenty feet into the air. Included here are general requirements for all scaffolds. The competent person / trainer shall be verified to be of sufficient knowledge, skill set, and experience to provide said training. 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. b.Dismantle the scaffolding. Any damaged or weakened component of a scaffold must be repaired or replaced immediately. 3.Maintain three points of contact while on a ladder. All scaffolds more than six feet above the lower level shall protect employees with guardrails on each open side of the scaffold. b. Utilizing scaffolds in accordance with all local, state, federal, manufacturer, and institutional rules and regulations. He fell approximately 12 feet to a concrete dock. Select the correct answer and then click DONE. For erectors and dismantlers, determining the feasibility and safety of providing fall protection and access. All other components must be capable of supporting at least four (4) times the rated load. For a scaffold to be safe, it must be erected: . In its simplest form, a scaffold is any temporary elevated or suspended work surface used to support workers and/or materials. Horizontal members are erected in a manner that creates a usable ladder and provides good hand hold and foot space. The riser height must be uniform, and the stair angle must be between 40 and 60 degrees from the horizontal. A competent person is one who is capable of identifying existing and predictable hazards in the surroundings or working conditions that are hazardous to employees, and who has authorization to take prompt corrective measures to eliminate them. 7. 4.Jump from one platform to another. Guardrail systems or guardrails are barriers erected along an unprotected or exposed side or edge of a walking-working surface Before each use c.24 inches 2. 1. 2012-10-05T11:53:02-04:00 c.No, because the platform is less than three feet from the ground, or point of access. Replace any missing ties or braces. Note: A level should be used during assembly to make sure new structural components remain in line. Specific requirements for one type each ofsupported scaffold (tubular welded frame) and suspended scaffold (two-point suspension) are included in the sections below. 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. Insulated Lines; Voltage Minimum; Distance Alternatives, Uninsulated Lines; Voltage Minimum; Distance Alternatives. Crossbraces must not be used as a means of access. Scaffolding must not be placed on unstable objects, such as bricks or blocks. Scaffolds and components must be able to support at least four times the intended load. 12. 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. c.30 feet Scaffolds are never as safe as the foundations they are built on. 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. Ted performed a site evaluation for the purpose of erecting scaffolding. Materials being hoisted onto a scaffold must There are many types of scaffolds, both supported and suspended. 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. Chicago, Illinois 60615, T: 773.702.9999 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. or strike the scaffold with tools, materials, etc. Scaffolding is widely used during construction and renovation activities. c.6 feet In order to be safe, which two options can Laura's team choose from to continue work? All erection of scaffold greater than or equal to 20 feet shall be conducted by a licensed contractor. 2. \text { Product } \\ The use of repaired wire rope is prohibited. 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. 1926.451(e . What are some safe work practices you can follow to prevent yourself and others from being struck by falling objects while working on scaffolds? application/pdf Make sure frames and panels are joined together vertically by coupling or stacking pins or equivalent means. In such cases, verify that the platforms are as wide as feasible, and fall protection is provided. Any damaged or weakened component of a scaffold must be repaired or replaced immediately. Fabricated frame scaffolds are the most common type of scaffold because they are versatile, economical, and easy to use. Erectors and dismantlers face additional access problems due to the incomplete condition of the scaffolding. 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. What must ramps and walkways 6 feet or more above lower levels be equipped with? Select the correct answer and then click DONE. Make sure employees do not use cross-braces as a means of access. TypeofAdvertisementProductAdvertisedTargetMarketProductInformationFeaturedTelevisionBlackberryStudents-backtoschoolBlackberryPearl;$20discount;pinkorsilver;usetogete-mail,surftheWeb,andgetdirections\begin{array}{llll} b.20 feet Note: Except where indicated, the same basic scaffold requirements that appear in this module also apply to manually propelled, pump jack, ladder jack, tube and coupler, and pole scaffolds, as well as the specialty scaffolds described in this course. Be sure employees are able to safely access any level of a scaffold that is 2 feet above or below an access point. \text { Product Information } \\ Each worker 10 feet (3.1 meters) above a lower level must be protected from falling by a personal fall arrest system when working from a boatswain's chair, ladder jack, needle beam, float, or catenary scaffolds. . A ladder or other safe means of access must be provided. Check to ensure safe points of anchorage, such as structural members of buildings, are being used. 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. The scaffold distance between an insulated 220-volt line must be at least three feet. Ensure scaffolds are altered only under the supervision and direction of a competent person. Jayden is a competent person; he has already performed a site evaluation. a.5 feet 1.A number nine wire a scaffold must have a safe means of access to the scaffold when access is feasible and does not create a greater hazard. b.6 b.3 to 1 They are frequently used in one or two tiers by residential contractors, painters, etc., but their modular frames can also be stacked several stories high for use on large-scale construction jobs. 2012-10-05T11:53:02-04:00 Additional non-compliant actions associated with scaffolds will also warrant retraining and if necessary, disciplinary actions by their department. 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. The weather has been an issue and has pushed the project back. 1926.451(e)(1) . 904-01 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 4.Chemical burns OSHA has standards that apply specifically to the steps that must be taken to assure a stable scaffold base. 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 b.38 - 45 inches Before erecting the scaffold, a number of factors must be accounted for. Direct access is acceptable when the scaffold is not more than14 inches horizontally and not more than 24 inches vertically from the other surfaces. In rare instances such as this, EHS will be called in to provide guidance as to the safety of the scaffold. c.1 1/2 inches 4 feet 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. By itself it is not normally a useable foundation material. 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. Contact EHS for assistance and guidance in any of the duties associated with being a Competent Person. The weather has been an issue and has pushed the project back built on than! 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