14 Cell Tower Noise Evaluation Phoenix

Noise Expert (acoustical engineers) is evaluating the noise radiating from an existing cell tower.  The primary noise sources are the air conditioner units mounted to the equipment storage buildings.

The goal is to determine the noise levels from the air conditioning units at closest residences.  At the closest residences, there are many other noise sources including: traffic, residential air conditioning units, and aircraft.

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11 WalMart Noise Study

Noise Expert (acoustical engineers) recently worked on a noise study for a proposed WalMart in Yuma, Arizona.

The City of Yuma has a noise ordinance of 55 dBA during daytime hours and 45 dBA during nighttime hours.  Where the ambient noise level is greater than the noise limit, the limit will be increased to the ambient noise level.

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9 Mechanical Noise Barriers

Noise Expert has done a few project recently evolving mechanical noise. There are a few considerations when doing these projects,  one is to address the residents near the noise source. Noise regulation includes statutes or guidelines relating to sound transmission established by national, state or provincial and municipal levels of government. Large units such as transformers, generators, pumps cause unwanted noise and at times can be unpleasant to view.

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1 Gym Vibration and Sound Transmission to Adjacent Offices

Noise Expert conducted noise and vibration measurements and evaluation in an office complex in Scottsdale, Arizona. A free weight gym is located between two offices. The clients in the gym regularly drop heavy weights that cause the floor to vibrate in the adjacent office spaces. One solution for the vibration transfer though a shared concrete floor is to float the gym floor.

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