b.Three times He performed a site evaluation and is ready to erect the scaffolding. Workers are most vulnerable to fall hazards when climbing on or off a scaffold. a. Scaffolding must not be placed on unstable objects, such as bricks or blocks. 2.Use bricks to bring the scaffolding level. 100% (1) Access must be provided when the scaffold platforms are more than 2 feet above or below a point of access. d.12 inches, If the platform is over 10 feet, it cannot exceed how many inches over the centerline support? (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 F: 773.702.6546 They must be in good worker order or tagged as defective and taken out of service. This must be done prior to initial use of the scaffold each shift. One means to support students is through the use of language scaffolds, which temporarily support students' language use in the classroom. Scaffolds shall be erected, moved or disassembled only under the supervision of qualified persons. 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. c.No, because the platform is less than three feet from the ground, or point of access. 1.Use gravel to fill in the uneven spots. Employers must provide access when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. There were no guardrails at the working level. d. Four feet. \text { Blackberry Pearl; } \$ 20 \\ 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. Ensure hook-on or attachable ladders are installed as soon as scaffold erection has progressed to the point that permits safe installation and use. 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. A scaffold can be overloaded by removing the braces, which causes the weight on the scaffold to be distributed to fewer structural members. Contacting and coordinating with the Competent Person regarding any issues associated with the erection of a scaffold. c.30 feet Scaffold should not be occupied while moving unless a competent person has determined it is safe to do so. Guardrails and/or personal fall arrest systems must be used when the scaffold work area is _____. 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. 7. Employees shall be trained to demonstrate competency in the following areas: 5235 South Harper Court the forklift is not moved horizontally while the platform is occupied. b.Once a week d.Choose access points. 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. Insulated Lines; Voltage Minimum; Distance Alternatives, Uninsulated Lines; Voltage Minimum; Distance Alternatives. Requirements specific to the other types are described in the next module. b.6 d. Repair any defective scaffolding components. being laid. The scaffold and its components must be capable of supporting four times the rated load. 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. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. Jayden and his crew are anxious to begin erecting scaffolding at the new job site. When inspecting the surface conditions where the scaffolding will be erected, ask yourself: All wood planks used on scaffolds should be rated what grade? 9. to prevent falls. Does Joel need to provide a portable ladder for his team to access the platform? d.28 inchesa, When ladders are used on a supported scaffold that is taller than 35 feet, then rest platforms must be available at intervals no greater than: Make sure the planks are not allowed. c.Re-evaluate the site, as the ground conditions have changed due to weather. Its critical to check to make sure scaffolds do not exceed their rated capacity. 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 is the most common type of supported scaffold? d.5 to 1, The space between adjacent planks and the space between the plank and the uprights must be no more than: 4 feet The competent person would need to know the individual scaffold base plate loading and if each one is below the maximum allowable deck loading. 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. EHS staff Competent person, or qualified person). 1. 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. Select the correct answer and then click DONE. c.Long sleeve shirts The department will designate, identify, and provide training for competent persons within the department. 32 - 36 inches 1.Slips and falls 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. 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. Ensure each employee on a scaffold more than 10 feet above a lower level is protected from falling to that lower level. Maximum intended load and load-carrying capacities of scaffolds used. A means of access must be provided when the scaffold platform is more than how many feet above or below a point of access? Load carrying information on components is available from the scaffold manufacturer. This threshold differs from 29 . 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). Design and preplanning of the scaffold including weight limitations, scaffold type, fall protection, tie-offs, supports, etc. b. Select all that apply and then click DONE. Employers must provide access when the scaffold platforms are more than 2 feet (0.6 meters) above or below a point of access. By itself it is not normally a useable foundation material. 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. Wood decking - This may lend itself for use as a foundation. PScript5.dll Version 5.2.2 3. b.One continuous mudsill under both legs Providing a scaffold to the user that is free from recognizable and preventable hazards (i.e. Cold asphalt paving (winter) - Asphalt has minimal compressive strength, even when cold, and especially when applied. d.Hearing protection. 1.Store materials away from the edge. Scaffolds are commonly used in construction work so workers have a safe, stable work platform when work cannot be done at ground level or on a finished floor. 1.Wear personal fall arrest systems (PFAS). 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 3.Check that no structural alterations were made. \text { use to get e-mail, surf the } \\ a.1/2 inch The guardrail system must not deflect to a height less than 39 inches. 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. 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. uuid:F4AC72E838E6DC1181DF85762784E02C Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. \end{array} \\ 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. 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. Only the base coat gives the asphalt compressive strength.1. Employers must ensure that: Scaffolding must not be placed on unstable objects, such as bricks or blocks. Stationary scaffolds over 125 feet in height and rolling scaffolds over 60 feet in height shall be designed by a professional engineer. 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 platform gaps are too wide. 1926.451(e)(1) . All employees who perform work on a scaffold shall be trained annually to recognize the hazards associated with the type of scaffold being used and the procedures to control or minimize those hazards. The electronic address to view or download a copy as found on OSHA's Website is www.osha.gov. Scaffold planks shall extend over their end support at least six (6) inches but no more than twelve (12) inches. Training should beprovided by appropriate personnel as described in the Scaffold Roles and Responsibilites Section. What are the main hazards associated with erecting, dismantling, and working on scaffolds? Do not use unstable objects such as loose bricks, blocks of wood or concrete to shore up the uneven surface. Damaged or deteriorated equipment shall not be used. 1.Make sure it was erected properly. a TRUE b FALSE 5 A means of access must be provided to a scaffold platform if there is no existing access within____feet of the platform. The end points of the cross bracing must be no more than 48 inches (1.3 meters) apart vertically. a.One foot 1. 3.Install a wind screen on the scaffold. 2.Rubber Should he use those planks? 4.Use tow lines to raise or lower tools and equipment. Planks are stamped for scaffold approved loading and usage on one end. When the work area is less than 18 inches wide. 3.Maintain three points of contact while on a ladder. Cross braces shall not be used as a means of access. What should Ted do? Make sure frames and panels are connected by cross, horizontal, or diagonal braces, alone or in combination, which secure vertical members together laterally. Even if they are "in the way," braces should not be removed while work is being performed on a scaffold! 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 competent person is the shop supervisor or her/his designated representative. 4.Use cinder blocks to level the uneven ground. Hot asphalt paving (summer) - This type of asphalt (top coat) is soft when placed and then compacted with rollers. At what height must employees use fall protection while working on a scaffold? What should be Jayden's next step? c.6 feet \text { Advertised } Any damaged or weakened scaffold part must be: Select the items that are a possible concern when inspecting wood planks. Erecting scaffolds in accordance with local, state, and federal. 11. . 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 scaffold must have a safe means of access to the scaffold when access is feasible and does not create a greater hazard. Inspections of scaffolds after changes / alterations have been made. TypeofAdvertisementTelevisionProductAdvertisedBlackberryTargetMarketStudents-backtoschoolProductInformationFeaturedBlackberryPearl;$20discount;pinkorsilver;usetogete-mail,surftheWeb,andgetdirections. b.3 to 1 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. 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. Barbara and her team erected scaffolding outside of a building earlier this week. Ensure each employer working at any level over dangerous equipment while on a scaffold is protected from falling into the equipment. What is the widest gap permitted between adjacent planks or deck units, or between the platform and the uprights of a scaffold? Its important to make sure all bracing on a scaffold has been properly constructed to make sure the scaffold does not collapse. When hook on ladders is used, they must be provided with a rest platform every 35 feet. 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. Then this must be inspected when conditions change, such as sunny conditions, warming temperatures, etc. Refusing to occupy a scaffold prior to the Competent Person providing documentation indicating that the scaffold has been inspected and deemed safe. Scaffolding is widely used during construction and renovation activities. 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. Therefore, employers are required to provide safe scaffold access. Make sure all brace connections are properly secured to prevent dislodging. 13. c.Three feet must be plumb (exactly vertical) and braced to prevent swaying and displacement. 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. Read the material in each section to find the correct answer to each quiz question. Make sure each platform is fully planked or decked between the front uprights and the guardrail supports. All scaffolding shall be plumb and level. a.Competent person Before erecting a scaffold, the first step is to: a.Perform a site evaluation. The end points at each upright shall be no more than 48 inches. Ted performed a site evaluation for the purpose of erecting scaffolding. b.38 - 45 inches Placement: To ensure adequate protection, install guardrails along all open sides and ends before releasing the scaffold for use by employees, other than the erection and dismantling crews. Tiebacks must be secured to a structurally sound anchorage on the building or structure. 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. Counterweights shall be secured by mechanical means to the outrigger beams. a.16 inches Where platforms are overlapped to create a long platform, the overlap shall occur only over supports, and shall not be less than 12 inches unless the platforms are nailed; A platform greater than 10 feet in length shall not extend over its support more than 18 inches, unless it is designed and installed so that the cantilevered portion of the platform is able to support employees without tipping, or has guardrails which block employee access to the cantilevered end; A platform less than 10 feet in length shall not extend over its support more than 12 inches, unless it is designed and installed so that the cantilevered portion of the platform is able to support employees without tipping, or has guardrails which block employee access to the cantilevered end; Wood surface shall not be covered with opaque finishes, other than the edges for making identification; Platforms may be coated periodically with wood preservatives, fire-retardant finishes, and slip-resistant finishes; however, the coating shall not obscure the top or bottom wood surfaces; and. 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