1206.9 Field Testing.

San Francisco Building Inspection Commission Codes · 2022 edition · ingested 2026-07-08 · San Francisco

1206.9 Field Testing.

(a) When inspection indicates that the construction is not in accordance with the approved design, or that the noise reduction is compromised due to sound leaks or flanking paths, field testing may be required. A test report showing compliance or noncompliance with prescribed interior allowable levels shall be submitted to the building official.

(b) Field measurements of outdoor sound levels shall generally follow the guidelines prepared by the American Society for Testing and Materials (ASTM) in ASTM E1014.

(c) Field measurements of the A-weighted airborne sound insulation of buildings from exterior sources shall generally follow the guidelines prepared by the American Society for Testing and Materials (ASTM) in ASTM E966.

(d) For the purpose of this Section 1206.9, sound level differences measured in unoccupied units shall be normalized to a receiving room reverberation time of one-half second. Sound level differences measured in occupied units shall not be normalized to a standard reverberation time.

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