Project introduction: Intime Waldorf Astoria Hotel is located in the center of Chengdu High-tech Industrial Development Zone, adjacent to Tianfu Software Park and Century City New International Convention and Exhibition Center. The gorgeous building includes 395 fully equipped and stylishly decorated guest rooms. And suites, combining classic elegance with modern fashion design, advanced facilities bring convenience and comfort to your stay. There are 32 BAC cooling towers on the 10th floor podium roof of the Waldorf Astoria Hotel. The roof is a garden, the store is below, and the hotel room corridor is on the slanted top. The circulating water volume of the equipment is 350m3/h, and the motor power is 11KW. When the equipment is in normal operation, the equipment noise reaches 90dB(A). In order to reflect the high-end and quality of the Waldorf Astoria Hotel and avoid the impact of hotel cooling tower noise on the environment, the NCC Shenzhen project provides electromechanical acoustic design, in-depth construction and acceptance general contract integration Serve.

 Goal of governance: The roof should not be higher than 60dB(A) during the daytime, and the noise of hotel corridors must be higher than 45dB(A).

 Treatment measures: Equipment shock absorption, ventilation and muffler sheet noise reduction, sound absorption and sound barriers, etc.