Practice Test Geeks(CSS) Certified Safety Supervisor Practice Test
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Fall Protection and Scaffolding Flashcards

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  1. A safety supervisor observes a supported scaffold being erected on soft, uneven soil. Which of the following is required by OSHA to ensure a stable foundation?

    Answer: Using base plates and mud sills on a firm foundation.

    OSHA 29 CFR 1926.451(c)(2) requires that supported scaffold poles, legs, posts, frames, and uprights shall bear on base plates and mud sills or other adequate firm foundation to properly distribute the load.

  2. According to OSHA 29 CFR 1926 Subpart M, at what minimum height must fall protection be provided for employees on a walking/working surface with an unprotected side or edge in the construction industry?

    Answer: 6 feet

    OSHA standard 1926.501(b)(1) explicitly states that each employee on a walking/working surface with an unprotected side or edge which is 6 feet or more above a lower level must be protected from falling by a guardrail system, safety net system, or personal fall arrest system.

  3. A personal fall arrest system (PFAS) is being set up for a worker. Which of the following are the three essential components that MUST be included in this system?

    Answer: Anchorage, full-body harness, and a connector/lanyard.

    A complete personal fall arrest system is commonly referred to by the 'ABC's' of fall protection and consists of three main components: an Anchorage point, a full-body harness (Bodywear), and a Connector (such as a lanyard or lifeline). Body belts have not been permitted as part of a fall arrest system since 1998.

  4. A safety supervisor is responsible for a multi-level supported scaffold on a construction site. According to OSHA standards, when must this scaffold be inspected by a competent person?

    Answer: Before each work shift and after any event that could affect its integrity.

    OSHA standard 29 CFR 1926.451(f)(3) requires that scaffolds and scaffold components be inspected for visible defects by a competent person before each work shift and after any occurrence which could affect the scaffold's structural integrity.

  5. When a guardrail system is used for fall protection on a scaffold platform, what is the required height for the top rail for scaffolds manufactured after January 1, 2000?

    Answer: Between 38 inches and 45 inches.

    According to OSHA 29 CFR 1926.451(g)(4)(ii), the top edge height of toprails on scaffolds manufactured and placed in service after January 1, 2000, must be between 38 inches and 45 inches above the platform surface.

  6. An employee is tasked with performing work on a steep roof with a pitch greater than 4:12 and an unprotected edge 15 feet above the ground. Which of the following fall protection methods is acceptable under OSHA 29 CFR 1926 Subpart M?

    Answer: A personal fall arrest system.

    For steep roofs (with a pitch greater than 4 in 12), OSHA 1926.501(b)(11) requires employees working 6 feet or more above a lower level to be protected by guardrail systems with toeboards, safety net systems, or personal fall arrest systems. Warning line and safety monitoring systems are not permitted as standalone fall protection on steep-slope roofs.