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Articles tagged “acoustic failure”

3 articles covering acoustic failure in acoustic engineering and building design.

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GUIDES19 min read

Why Your WELL Acoustic Certification Will Fail: The 5 Errors Most Architects Make

Five calculation errors that cause WELL v2 Feature 74 acoustic certifications to fail at assessment stage — each with the specific number that trips the design. Passing RT60 is necessary but not sufficient. Here is what WELL assessors actually check.

March 14, 2026
WELL certificationWELL v2 Feature 74
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INCIDENT19 min read

The School Nobody Could Learn In: What ANSI S12.60 Failures Cost Students

35% of UK classrooms fail BS 8233 acoustic targets. The reason is not RT60 — it is STI. Architects design for reverberation time and ignore the speech transmission index calculation that ANSI S12.60 and DIN 18041 actually require. This is what that costs.

March 13, 2026
classroomSTI
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INCIDENT19 min readFeatured

What the Sydney Opera House Acoustic Failure Taught the World About RT60

The Sydney Opera House Concert Hall opened in 1973 and required AUD 100M in acoustic corrections across 50 years of remediation. An analysis of the original RT60 design error and what every acoustic consultant must learn from Utzon's masterpiece.

March 13, 2026
concert hallRT60
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