BOAF Interpretations

Interpretation #8549

Original Request

Requested By: Samuel Cassity
Requester E-Mail: Sam@ZAArch.com
Code Version: 2021
Code: ENERGY
Code Description:
Chapter:
Section: TABLE C402.1.3
Topic: CLIMATE ZONE 2, ALL OTHER, MASS, R-5.7ci, Note c
Question: Does a typical CMU building with #5 rebar at 4'-0" o.c. maximum in solid concrete fill and 16" deep bond beam at top of an 8'-0" wall qualify as a MASS Building?

Answer:

This would be up to the designer to provide the calculations on this wall.

On 08/16/2021 at 1:01 PM

Commentary:

It could be a mass wall for energy purposes. While the commercial section of the FBC-EC does not define mass walls, the residential portion does have a definition. The code permits the use of definitions from other volumes of the code when a term is not defined in the volume in question.

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