\text { Product } \\ No more than two workers are permitted to work at one time on suspension scaffold designed for a working load of 500 pounds. This must be done prior to initial use of the scaffold each shift. Scaffold components manufactured by different manufacturers shall not be intermixed unless the components fit together without force and the scaffolds structural integrity is maintained. a. Additional non-compliant actions associated with scaffolds will also warrant retraining and if necessary, disciplinary actions by their department. Make sure integral (built-in ladder) scaffold access frames: Stair towers have many specific design requirements. 4.Wear face masks. This scaffold has no guardrails and is not fully planked. Compacted Soils & Then Frozen - Compacted soils, as with all soils, swell and heave due to moisture content or water contained within the soil. a. Make sure portable, hook-on, and attachable ladders are positioned so as not to tip the scaffold. The footing of scaffolding must be sound and rigid, capable of supporting the weight. . 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. d.Registered engineer, Guys, ties, or braces must be installed where horizontal members support inner and outer legs when the scaffold has a height/width ratio greater than: b.Two feet 7. (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 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 Select the correct answer and then click DONE. c.Three feet \text { Students-back } \\ c. 3.5 inches Proper pinning is necessary to make sure the scaffold is steady and does not collapse. A ladder or other safe means of access must be provided. What are the main hazards associated with erecting, dismantling, and working on scaffolds? As they return to the site to continue their work, the first step they should take is to: 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. Stationary scaffolds over 125 feet in height and rolling scaffolds over 60 feet in height shall be designed by a professional engineer. \begin{array}{l} Employers must provide access when the scaffold platforms are more than 2 feet (0.6 meters) above or below a point of access. c.10 Erectors and dismantlers face additional access problems due to the incomplete condition of the scaffolding. 4.Use cinder blocks to level the uneven ground. b.38 - 45 inches 09/18/2013. Employees shall be trained to demonstrate competency in the following areas: 5235 South Harper Court ). Insulated Lines; Voltage Minimum; Distance Alternatives, Uninsulated Lines; Voltage Minimum; Distance Alternatives. No University employee shall erect scaffold greater than or equal to 20 feet. Select the correct answer and then click DONE. No more than three workers are permitted to work at one time on suspension scaffolds with a working load of 750 pounds. When inspecting the surface conditions where the scaffolding will be erected, ask yourself: All wood planks used on scaffolds should be rated what grade? A ladder or other safe means of access must be provided. Select the correct answer and then click DONE. Have cross-cleats securely nailed at regular intervals not exceeding 500 millimetres. A mobile ladder stand may also have handrails and is designed for use by one employee at a time. Select the correct answer and then click DONE. There are many types of scaffolds, both supported and suspended. 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. Scaffolding must not be placed on unstable objects, such as bricks or blocks. 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. or strike the scaffold with tools, materials, etc. d.5 to 1, The space between adjacent planks and the space between the plank and the uprights must be no more than: a.15 feet Ensure scaffold platforms and walkways are at least 18 inches wide, unless they are used in areas that are so narrow that they must be less than 18 inches wide. \end{array} \\ Fabricated frame scaffolds are the most common type of scaffold because they are versatile, economical, and easy to use. There were no guardrails at the working level. 4.Chemical burns Therefore, employers are required to provide safe scaffold access. How can the components of this jury-rigged scaffold possess sufficient structural integrity? Chicago, Illinois 60615, T: 773.702.9999 Ensuring all inspection and maintenance practices for scaffolds are conducted by a competent person in accordance with this policy and procedure. Contacting and coordinating with the Competent Person regarding any issues associated with the erection of a scaffold. Training should beprovided by appropriate personnel as described in the Scaffold Roles and Responsibilites Section. Refusing to occupy a scaffold prior to the Competent Person providing documentation indicating that the scaffold has been inspected and deemed safe. No University employee shall design any scaffolding. The platform of a two-point suspension scaffold must not be more than 36 inches wide unless designed by a qualified person, and must be surrounded with a standard guardrail and toe board. 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. d.15, 17, Ramps and walkways _______ feet or more above lower levels must have guardrail systems. b.2 inches 3.Falling objects All employees are prohibited from working on scaffolds covered with snow, ice, or other slippery materials. Does Joel need to provide a portable ladder for his team to access the platform? The team cannot wait any longer for the weather to clear. 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. He notices that there have been several large spills of paint over them. 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. 904-01 d.Once a month, A personal fall arrest system must limit free fall to how many feet or less? When the other end of the 2x4 slipped off the bucket, the employee did not let go of his end, and was pulled off the deck. 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. All brace connections must be secured. The end points of the cross bracing must be no more than 48 inches (1.3 meters) apart vertically. 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. What are integral (built-in) access frames specifically designed for? An access ladder or equivalent safe access must be provided. Select all that apply and then click DONE. Cold asphalt paving (winter) - Asphalt has minimal compressive strength, even when cold, and especially when applied. To protect against falling objects, screens must be installed between the toeboard and midrail if anyone is required to pass under the scaffolding. Scaffolding in this Guide means the individual components, for example tubes, couplers forklifts are not used to support scaffold platforms, unless: the entire platform is attached to the fork; and. Select all that apply and then click DONE. 1926.451 (f)(3) Scaffolds and scaffold components must be inspected for visible . Scaffolding is widely used during construction and renovation activities. Should he use those planks? It is impossible for a stable scaffold structure to be built unless _____. b.3 to 1 c.13, 15 Load carrying information on components is available from the scaffold manufacturer. Only the base coat gives the asphalt compressive strength.1. Using wire to connect bracing is not safe. 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. uuid:F4AC72E838E6DC1181DF85762784E02C a.Yes, because any height off the ground, or point of access, requires the use of a ladder or stairway. endstream endobj 15 0 obj <> endobj 17 0 obj <> endobj 22 0 obj <>/Font<>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Rotate 0/Type/Page>> endobj 1 0 obj <>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Type/Page>> endobj 5 0 obj <>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Type/Page>> endobj 8 0 obj <>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Type/Page>> endobj 11 0 obj <>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Type/Page>> endobj 54 0 obj <>stream When are workers on scaffolding most vulnerable to fall hazards? Select the correct answer and then click DONE. He performed a site evaluation and is ready to erect the scaffolding. Requirements for Access to Scaffolds. Prior to occupation scaffold erectors must notify the competent person that the scaffold has been erected and is ready to be inspected. The number one scaffold hazard is worker falls. 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. Independent lifelines should be protected from abrasion and wear. a.18 inches multiple fractures to the head, left and right foot, and left wrist, and torn ligaments in the knees. unstable objects are not used to support scaffolds or platform units. Read the material in each section to find the correct answer to each quiz question. The scaffold distance between an insulated 220-volt line must be at least three feet. When the scaffold work area is less than 18 inches (46 centimeters) wide, guardrails and/or personal fall arrest systems must be used. Select the correct answer and then click DONE. 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. Ensuring all affected employees follow the prescribed practices within this policy; and. 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. c.Select an anchor point for Personal Fall Arrest Systems (PFAS). 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. Contacting EHS if there is a concern regarding the erection of the scaffold. d.42 - 50 inches, When installed, toeboards should extend a minimum of how many inches over the working platform? Scaffolding is widely used during construction and renovation activities. 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