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Admin practice questions

43 questions from the residential building inspector practice test.

Admin practice test

10 questions, graded as you go, with the reason for every answer. No sign-up.

What this covers

Sample questions

When do the provisions in an appendix of the residential code become enforceable in a jurisdiction?

  1. Automatically, whenever the main body of the code has been adopted
  2. Whenever the building official decides to apply them to a project
  3. Only when the owner agrees to them on the permit application
  4. Only when the adopting ordinance specifically adopts that appendix
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D. Only when the adopting ordinance specifically adopts that appendix

Appendix chapters are not part of the enforceable code unless the jurisdiction names them in its adopting ordinance. Adoption of the main body alone does not bring them in, and the building official cannot adopt them by choice.

Reference: IRC 2021, Chapter 1 (Scope and Administration): appendices

Which statement correctly describes the building official's authority to interpret the code?

  1. May interpret the code, but may not waive its requirements
  2. May waive any requirement when the owner accepts the risk in writing
  3. May interpret the code only after a ruling by the board of appeals
  4. May waive requirements for owner-occupied single-family dwellings
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A. May interpret the code, but may not waive its requirements

The building official enforces the code, renders interpretations and adopts procedures that clarify how it is applied, but those interpretations must be consistent with the code's intent and cannot waive requirements. An owner's written acceptance of risk does not create that power.

Reference: IRC 2021, Chapter 1 (Scope and Administration): duties and powers of the building official

A product not described in the code is proposed for use. When may the building official approve it as an alternative material or method?

  1. When it has been sold commercially for at least five years without a recall or reported failure
  2. When it is shown to be at least equivalent to what the code prescribes in strength, durability and safety
  3. When the supplier provides a written warranty covering the expected life of the building
  4. When the installed cost is lower and the owner accepts the product in writing on the application
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B. When it is shown to be at least equivalent to what the code prescribes in strength, durability and safety

The code is not meant to block new materials or methods. An alternative may be approved when the building official finds it satisfies the intent of the code and is at least the equivalent of what is prescribed in quality, strength, effectiveness, fire resistance, durability and safety. Time on the market or a warranty does not demonstrate equivalence.

Reference: IRC 2021, Chapter 1 (Scope and Administration): alternative materials, design and methods of construction

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