GB 50314-2015 第4.6.1条
| | Hotel buildings shall be equipped with an automatic fire alarm system. Detector sensitivity shall be set by grade: hotel guest rooms (Class I sensitivity, response threshold ≤0.5dB/m) and public areas (Class II sensitivity, response threshold ≤1.0dB/m). Linkage control shall include fire broadcasting (sound pressure level ≥75dB) and emergency lighting (continuous power supply duration ≥90 minutes). |