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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8 Litigation in Multi-Housing Buildings – Noise

The top 3 reasons for litigation encountered in multi-housing buildings. In fact, pets, parking and impact noises (footsteps such as high heels, falling objects, moving furniture, etc.) are the main sources of conflict experienced in condos, apartments and hotels. With the evolution of floor coverings in such environments (from carpet/resilient to wood), soundproofing is becoming a major concern in renovation and new construction. Today, before purchasing a housing unit, buyers are more than ever asking about the acoustical performance.

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7 Greater Sage-Grouse Lek Noise Monitoring

Noise Expert has been monitoring and evaluating the noise from greater sage grouse leks near a new mining operation.  The noise thresholds were set based on the pre-project noise levels measured last year.  We are conducting continuous noise measurements during mating season to prevent impacts from the mine.

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4 Band Shell Design and Noise Reduction

Noise Expert evaluated the proposed band shell design for the City of Chandler.  Noise Expert evaluated community noise and worked to maximize natural sound reinforcement.  Noise Expert compared existing noise levels with predicted future levels and made recommendations to minimize the impact.  To insure that natural sound reinforcement was being provided, Noise Expert evaluated the sound distribution.

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3 Festival Noise Reduction

Noise Expert attended the Albuquerque Balloon Fiesta and evaluated the noise radiating from the various events at the festival to residences in the vicinity.  Noise Expert worked with local agencies who were doing most of the noise gathering.  The noise radiating from the operation came from a number of sources.  Noise Expert evaluated the impact and provided recommendations to reduce the noise radiating to residences.

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