Savvy fire and life safety designers advocate for the right systems for each large indoor venue, while respecting the sometimes conflicting goals and demands of others involved in the decision.
The InnovairFlex D4120 4-wire photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints and mounts to round or rectangular ductwork. This unit senses smoke in the most challenging conditions, operating in airflow speeds of 100 to 4,000 feet per minute, temperatures of –4°F to 158°F, and a humidity range of 0 to 95 percent (noncondensing).
Kenneth Bush is a senior fire protection engineer for the Maryland State Fire Marshal’s Office in Easton, Maryland. With 35 years vested in the industry, he reviews plans and inspects buildings for compliance with the state fire prevention code, which currently references the NFPA Life Safety Code, NFPA 101® and Fire Code, NFPA 1. Bush is an active member of the NFPA 101/5000 Technical Committee on Mercantile Business Occupancies, currently serving as Chair of that committee.
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