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Hangar  group I

Question asked by cowprophet on Sep 6, 2020

NFPA 409 [2011].  A project for a hangar Group I service center with 262,000 sq ft and 40 ft high; with foam water deluge and linear heat detector under  the roof . They  are  not providing  supplementary  fire protection beneath the wings  of airplanes  and not automatic  detection; only manual pull stations. Hangar will have  airplanes  with wing area greater than 3,000 sq ft.

Are  any  changes in  the  codes  that allows only manual activation?

Thank you in advance for your help.

Mario Berrios