GB/T 50378-2019 第5.1.2条
| | The indoor noise level of main functional rooms (such as guest rooms and lobbies) shall meet: daytime ≤45dB(A), nighttime ≤40dB(A) (hotel guest rooms are high-requirement rooms, corresponding to the "high requirement" limits in the standard). MEP equipment (such as air conditioning, water pumps, elevators) shall be provided with vibration isolation and sound attenuation measures. |