Gunderboom^® SAS^™ Sound Attenuation System (continued)

Proven Technology.

Gunderboom offers a number of engineered products that use aquatic filter barrier technology. From creating safe swimming beaches to protecting aquatic organisms from underwater demolition, Gunderboom is a world leader in waterborne pollutant containment systems.

The CalTrans Project

As part of the California Department of Transportation (CalTrans) Pile Installation Demonstration Project conducted in 2000, Gunderboom worked with CalTrans to test noise attenuation systems. Measured at 100 feet from the largest piles ever used in a hammer pile driving operation, the Gunderboom SAS™ reduced sound wave intensity by up to 85 percent.

Custom Designed and Engineered

Experts in the science of submarine acoustics and pressure, Gunderboom scientists and engineers work closely with clients to develop systems that meet project needs with maximum efficiency.

Each SAS™ is designed to account for:

• Nature and location of underwater activity
• Nature of the resultant sound or pressure
• Environmental conditions, wind, currents and waves
• Physical characteristics including water depth, salinity and bottom characteristics.

High Performance at a Low Cost

Gunderboom's SAS™ is a cost-effective solution to sound attenuation requirements. In some demolition operations, the SAS™ eliminates the need for expensive cofferdams.

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