Construction

San Francisco, California Long-term noise and vibration monitoring. Solar- and line-powered systems at six project locations plus nearby residential buildings, a hospital and office buildings.

Seattle, Washington Vibration monitoring and mitigation plan for tunnel boring machine (TBM) mining, soil improvement activities, and construction of tunnel portals for replacement of existing viaduct section.

Oakland, California Noise and vibration monitoring of demolition and construction of transit village development to adjacent Medical Center and residential buildings.

San Francisco, California Monitoring of noise and vibration during construction. Documenting pre-construction noise and vibration levels. Real-time data monitoring and warnings.

Weehawken, New Jersey Noise control and mitigation plan and remote long-term noise monitoring. Performed noise measurements of nighttime construction for compliance with project limits.

San Francisco, California Noise and vibration monitoring during course of project the created a bus-only lanes and accessible bus stops along the Geary Street corridor.

Philadelphia, Pennsylvania Performed vibration monitoring during construction demolition. Assessed potential for cosmetic and structural damage to nearby residential buildings.

Brooklyn, New York Evaluated potential noise and vibration from remediation work on industrial land. Performed studies to assess propagation to nearby residences and rail structure.

San Francisco, California Groundborne noise and vibration monitoring at nearby residences, as well as historic cemetery buildings and structures adjacent to a cut and cover tunnel.

San Francisco, California Measurement of noise and ground vibration during pile driving and other construction. Measurements also made for nearby vibration sensitive building.