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Interpretation #8536

Original Request

  • Requested By: Steve Innes
  • Requester E-Mail: steve.innes@mlbfl.org
  • Code Version: 2021
  • Code: EXTBLDG
  • Code Description:
  • Chapter:
  • Section: 702.5
  • Topic: FBC Existing Buildings 702.5 and 505.3 Replacement window emergency escape and rescue openings.

  • Question: Is it the intent of section 702.5(1) and 505.3(1) Replacement window emergency escape and rescue openings; to be interpreted as “ The replacement window shall be permitted to be the same operating style as the existing window” and stop there; or; does “provides for an equal or greater window opening area that the existing window” apply to both the “same operating style” (single hung for single hung, slider for slider) and “a style” (impact vs non-impact)?

Answer:

If you use the same style window the opening area could be reduced if that is the largest size window that will fit in the rough opening. If a different style window is to be used it must provide an opening size equal or greater than what was existing
On 06/21/2021 at 5:53 PM

Commentary:

In Chapter 3, the code gives a person 3 options of compliance - Prescriptive (chapter 5), Work Area (chapters 6-13) and Performance (chapter 14). Do NOT mix the different criteria found in these areas. Chapter 5 is different than what you find in chapter 7. That is why it's important to know from the owner, what means/method they are trying to comply with.