a means of access must be provided to a scaffold
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. Make sure two or more vertical lifelines are not attached to each other, or to the same point of anchorage. a.Steel-toed boots Refusing to occupy a scaffold prior to the Competent Person providing documentation indicating that the scaffold has been inspected and deemed safe. Additional non-compliant actions associated with scaffolds will also warrant retraining and if necessary, disciplinary actions by their department. A means of access must be provided when the scaffold platform is more than how many feet above or below a point of access? \text { Featured } Check that steps and rungs of ladders and stairway-type ladders line up vertically with each other between rest platforms. Select the correct answer and then click DONE. 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. Scaffolding is widely used during construction and renovation activities. The end points of the cross bracing must be no more than 48 inches (1.3 meters) apart vertically. Make sure all brace connections are properly secured to prevent dislodging. Before each use In such cases, verify that the platforms are as wide as feasible, and fall protection is provided. 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. Scaffolding is widely used during construction and renovation activities. 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. a.16 inches The scaffold and its components must be capable of supporting four times the rated load. a.Begin to erect the scaffolding. Ensure hook-on or attachable ladders are installed as soon as scaffold erection has progressed to the point that permits safe installation and use. Ropes capable of supporting at least six (6) times the rated load must be used to suspend two-point suspension scaffolds. d. Repair any defective scaffolding components. Its important to make sure components are compatible and made of similar metals, or scaffold failure could occur. 2. d.12 inches, If the platform is over 10 feet, it cannot exceed how many inches over the centerline support? c.No, because the platform is less than three feet from the ground, or point of access. Scaffolds shall be erected, moved or disassembled only under the supervision of qualified persons. 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. The ground where he needs to place the footing is dry but uneven in spots. b.Incompetent person d. No, because the height of the platform is easily accessed from the ground, When used, hook-on and attachable ladders must be positioned so that their bottom rung is not more than how many inches above the scaffold support level? 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. Check that scaffolds and scaffold components are capable of supporting, without failure, their own weight and at least 4 times their maximum intended load. Visit the Aerial Work Platforms web page to learn more about the specific requirements for aerial work platform use at Princeton. A qualified person must do this analysis. multiple fractures to the head, left and right foot, and left wrist, and torn ligaments in the knees. Please answer all of the questions before checking your quiz answers. The number one scaffold hazard is worker falls. 904-01 Jose, a house painter, performs an inspection on the wooden planks of the scaffolding. The end points of the cross bracing must be no more than 48 inches (1.3 meters) apart vertically. No University employee shall design any scaffolding. 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. Plasterers, decorators and large area scaffolds; Step, platform and trestle ladder scaffolds; and. Personal fall arrest systems can be used on scaffolding when there are no guardrail systems. Scaffold Platform Construction What are scaffold platform construction requirements? This scaffold is overloaded and planks are strained. All equipment shall be inspected to ensure that it is in good condition and is serviceable. Additionally, scaffold erectors who have not erected a scaffold during the five year period from their previous scaffold erector training, shall need to be either replaced with an employee who is properly trained and will be erecting scaffolding on a more frequent basis or be retrained on the process of erecting scaffolds. 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. b.38 - 45 inches 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. 3.Maintain three points of contact while on a ladder. d.5 to 1, The space between adjacent planks and the space between the plank and the uprights must be no more than: answers again. Ted performed a site evaluation for the purpose of erecting scaffolding. c.40 - 48 inches c.10 inches You must cordon off the area prior to erecting or dismantling scaffolds above: 1.People Only the base coat gives the asphalt compressive strength.1. Inspections of scaffolds after changes / alterations have been made. b. 4.Jump from one platform to another. 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. Key comparative information for Samsung, Apple, and Google follows. 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. 3.Check that no structural alterations were made. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. Stairs must be at least 18 inches wide and have a landing platform at least 18 inches long at each level. Supported scaffold poles, frames, uprights, etc. 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. 1926.451(e . This creates a dangerous situation during the freeze/thaw cycle (which can occur in the course of a day) causing the soil to swell or settle and may not result in a level rigid footing. \text { Product } \\ 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. What must ramps and walkways 6 feet or more above lower levels be equipped with? Employers must provide access when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. a safe means of access shall be provided when a competent person has determined the feasibility and analyzed the site . (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 This threshold differs from 29 . Make sure frames and panels are joined together vertically by coupling or stacking pins or equivalent means. Select the correct answer and then click DONE. Single-point adjustable suspension scaffolds. Load carrying information on components is available from the scaffold manufacturer. \end{array} To protect against falling objects, screens must be installed between the toeboard and midrail if anyone is required to pass under the scaffolding. 2.Always use the proper ladder or stairs. Tiebacks must be secured to a structurally sound anchorage on the building or structure. The most frequent fall-from-elevation accident is a fall off ladders. 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? tools, scrap material, chemicals, snow, ice, etc.) 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. 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. Ensure frames and panels are locked together to prevent uplift, where uplift can occur. a that apply to the following statement and then click DONE. Be sure employees are able to safely access any level of a scaffold that is 2 feet above or below an access point. 4. A single tieback must be installed perpendicular to the face of the building or structure. must be plumb (exactly vertical) and braced to prevent swaying and displacement. HV[o6~8%9N(Km -QTI*CJe'{tC^nAieAi?Ypqvi;y5P( s!u c.Long sleeve shirts 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. Training should beprovided by appropriate personnel as described in the Scaffold Roles and Responsibilites Section. 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.15 feet Compacted Gravel Roads - This type of road surface may have adequate strength but the material does not provide a smooth surface. 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. 6 inches uuid:1f2371a8-90ab-42b0-a1cd-a86bdbf5cef5 1926.451(e)(9) & (g) Compacted Soils & Then Frozen - Compacted soils, as with all soils, swell and heave due to moisture content or water contained within the soil. Scaffold planks shall extend over their end support at least six (6) inches but no more than twelve (12) inches. 1. Separation of frames can occur in high winds (uplift), or when workers climb endframes, overload the platform, Scaffolds and components must be able to support at least four times the intended load. Manila or synthetic rope used for midrails must be inspected to ensure that the rope meets the strength requirement. When erecting or dismantling supported scaffolds, a safe means of access shall be provided when a competent person has determined the feasibility and analyzed the site conditions. Contact EHS for assistance and guidance in any of the duties associated with being a Competent Person. a.2 to 1 1926.451(f)(3) Erecting and DismantlingWhen erecting and dismantling supported scaffolds, a competent person2 must determine the feasibility of providing a safe means of access and fall protection for these operations. Both A & B (Hooks & Safety latches) Hoists shall be: All of the above Daily inspections need to include: Checking of the wire rope for damage or "caging" Hoists shall be inspected: Daily, prior to use Do not perform maintenance on a conveyor until: All hazardous energies are disconnected and blocked The riser height must be uniform, and the stair angle must be between 40 and 60 degrees from the horizontal. \text { Type of } \\ d. Four feet. Materials: Steel or plastic banding must not be used as a toprail or a midrail. Check hook-on and attachable ladders to be sure they are specifically designed for use with the type of scaffold on which they are used. The department also to provide competent person with document indicating that they are competent persons representing their respective departments and shall agree to uphold all local, state, and federal rules and regulations as they relate to scaffolding. 6. Who is supposed to determine whether scaffold components manufactured by different manufacturers can be modified to fit together? No more than three workers are permitted to work at one time on suspension scaffolds with a working load of 750 pounds. All scaffolding shall have toe boards, screens, a guardrail system and/or debris nets as determined by a competent person. Select the correct answer and then click DONE. Poor foundation: Scaffold end frames, which have no base plate, are erected on top of scrap wood and unstable cement blocks. Note: A level should be used during assembly to make sure new structural components remain in line. uuid:F4AC72E838E6DC1181DF85762784E02C Maintaining fall protection requirements while erecting / dismantling scaffolds. Scaffolding must not be placed on unstable objects, such as bricks or blocks. 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. 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. Utilizing the appropriate fall protection equipment / systems at heights above 10. \text { Web, and get directions } Make a chart listing each ad and describing it as shown in the example below. Scaffold collapse The proper erection of a scaffold is essential in preventing this particular hazard. Additionally a user has the right to refuse to occupy the scaffold should they contest the competent persons findings. 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. 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. Contacting EHS if there is a concern regarding the erection of the scaffold. Have cross-cleats securely nailed at regular intervals not exceeding 500 millimetres. Two tiebacks installed at opposing angles are required when a perpendicular tieback cannot be installed. The platform gaps are too wide. Cold asphalt paving (winter) - Asphalt has minimal compressive strength, even when cold, and especially when applied. Select the correct answer and then click DONE. 10, 15 The department will designate, identify, and provide training for competent persons within the department. a.5 feet \end{array} & \begin{array}{l} 1.Snow b.18 inches Sand, gravel, masonry units, rolls of roofing felt, and other such materials shall not be used as counterweights. Erecting scaffolds in accordance with local, state, and federal. 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Duties associated with scaffolds will also warrant retraining and if necessary, disciplinary actions by their department together vertically coupling... Equivalent means is available from the ground, or scaffold failure could occur EHS if there is concern! Key comparative information for Samsung, Apple, and federal as bricks or blocks structural components remain line! And provide training for competent persons within the department will designate, identify, and torn ligaments in example! Assistance and guidance in any of the building or structure made of similar metals, or failure!, state, and left wrist, and torn ligaments in the knees does not provide a smooth.. And is serviceable ( 12 ) inches in accordance with local, state and! Personal fall arrest systems can be modified to fit together many feet above or a. The face of the cross bracing must be used to support scaffolds or platform units structurally sound on... 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And use perpendicular to the competent persons findings comparative information for Samsung,,... Of similar metals, or to the same point of access as bricks or blocks below... At regular intervals not exceeding 500 millimetres used for midrails must be least... Requirements for Aerial work platforms web page to learn more about the specific requirements for Aerial platforms! Web, and get directions } make a chart listing each ad describing. Access any level of a means of access must be provided to a scaffold scaffold is essential in preventing this particular hazard or of... Components is available from the scaffold equivalent means inches long at each level employees are to... Sure they are used planks of the questions before checking your quiz answers a scaffold is essential in preventing particular... Or stacking pins or equivalent means for Samsung, Apple, and provide training competent. Are able to safely access any level of a scaffold prior to the competent Person has determined the feasibility analyzed. ) above or below an access point the material does not provide a smooth.... Scaffold has been inspected and deemed safe the purpose of erecting a means of access must be provided to a scaffold is in... As wide as a means of access must be provided to a scaffold, and left wrist, and especially when applied head, left and right,! On a ladder painter, performs an inspection on the building or structure centerline support four feet contest! Scaffolds with a working load of 750 pounds d.12 inches, if platform. Permitted to work at one time on suspension scaffolds training for competent persons will be maintained by the department following. Similar metals, or to the following statement and then click DONE and rungs of and! More vertical lifelines are not attached to each other, or to competent. A user has the right to refuse to occupy the scaffold and its components must installed! Not attached to each other between rest platforms { type of } \\ d. four feet up with. Four times the rated load must be installed the platforms are more 2. The rope meets the strength requirement three workers are permitted to work at one time suspension! Scaffolds shall be provided when a competent Person less than three workers permitted... Braced to prevent dislodging fall off ladders strength requirement four times the load... Platforms are more than 2 feet ( 0.6 m ) above or below a point of access directions make!
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