November Chapter meeting

ASHRAE has been actively involved in providing information on Legionella since 1979 in response to the first Legionnaire’s disease outbreak in 1976 and the subsequent discovery by the CDC of the causative bacteria – Legionella. While Legionnaire’s disease has been known for many years, recent outbreaks have increased awareness of the disease, its causes, and prevention strategies. The CDC estimates 8-18 thousand cases per year, of which more than 10% are fatal. ANSI/ASHRAE 188 first published in June 2015 establishes minimum Legionellosis risk management requirements for building water systems. It applies to human-occupied commercial, institutional, multi-unit residential, and industrial buildings, excluding single-family residential buildings. It is intended for use by owners & managers of human-occupied building, excluding single-family residential buildings, and also for those involved in the design, construction, installation, commissioning, operation, maintenance & service of centralized building water systems and components. This session provides an overview of Legionella bacteria,…