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Building Codes & Standards 1 Flashcards

6 cards from real CDT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Building Codes & Standards 1 flashcards as text

  1. Which building code classification system is used to determine the minimum fire-resistance rating required for structural elements based on building use and size?

    Answer: Occupancy classification under the IBC

    The IBC assigns every building an occupancy classification (A, B, E, F, H, I, M, R, S, U) that directly determines fire-resistance ratings, allowable floor area, building height, and required means of egress.

  2. What is the primary purpose of a building's 'construction type' classification under the IBC?

    Answer: To establish allowable building height and area based on the combustibility and fire-resistance of structural materials

    IBC Table 601 assigns fire-resistance ratings to structural elements based on construction type (I through V), and Tables 503–506 use that type to establish maximum allowable height and floor area.

  3. Under the Americans with Disabilities Act (ADA) Standards for Accessible Design, what is the minimum clear width required for an accessible route?

    Answer: 36 inches

    The ADA Standards (section 403.5) require accessible routes to have a minimum clear width of 36 inches, though passing spaces of 60 inches are required at intervals where two wheelchairs cannot otherwise pass.

  4. Which ASTM standard is commonly referenced in construction documents to specify fire-resistance ratings obtained through testing of assemblies such as walls, floors, and roofs?

    Answer: ASTM E119 — Standard Test Methods for Fire Tests of Building Construction and Materials

    ASTM E119 establishes the test method used to determine fire-resistance ratings (in hours) for wall, floor, roof, and column assemblies, and those ratings are referenced directly in IBC Table 601 and listed assemblies.

  5. In the context of the IBC, what does 'means of egress' consist of?

    Answer: The exit access, the exit, and the exit discharge — three distinct components

    IBC Section 1003 defines means of egress as a continuous, unobstructed path comprising three parts: exit access (path to the exit), the exit itself (protected component such as an enclosed stair), and exit discharge (path from exit to a public way).

  6. Which organization publishes the model code that most U.S. jurisdictions adopt as the basis for their local plumbing code?

    Answer: International Association of Plumbing and Mechanical Officials (IAPMO) — Uniform Plumbing Code

    The Uniform Plumbing Code (UPC), published by IAPMO, is one of the two primary model plumbing codes adopted across U.S. jurisdictions (the other being the International Plumbing Code published by ICC); CDT candidates must recognize both sources.