Grayson County commissioners approve variance to allow taller doors for RISE Aviation hangar
At a county workshop, commissioners approved a variance allowing RISE Aviation to use 30-foot hangar doors and to apply the 2022 NFPA 409 hangar classification—avoiding a mandatory foam-suppression requirement—after hearings on industry data, code options and project timing.
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Grayson County commissioners voted at a workshop to grant a variance that allows RISE Aviation to use a 30-foot hangar door and apply the 2022 NFPA 409 standard for hangar classification, a move the company says avoids a foam-based fire-suppression requirement that would otherwise apply.
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