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2020 AFAA New England Webinar Series

Join Cameron Bellao PE, LEED AP and Andrew Ciccariello Tues. November 3rd @ 1pm as they present "Speech Intelligibility: How Can I Understand?" at the AFAA New England Webinar Series.

This presentation covers the basics of speech intelligibility in Emergency Voice and Alarm Communications Systems (EVACS). Designing beneficial and cost-effective EVACS system can be challenging. NFPA 72 requirements regarding intelligibility will be reviewed including a discussion of where speech intelligibility is required and review of the concept of acoustically distinguishable spaces (ADSs). Additionally, occupancy factors that impact speech intelligibility will be reviewed.

For more information or to register for each virtual session please visit

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