Select Projects
Sound Transit Lynnwood Link Extension
Seattle, Washington
Noise, vibration, and groundborne noise discipline task manager for final design of complex new 8.5-mile light rail extension through four communities.
LA Metro Purple (D) Line Extensions Sections 1-3 D/B
Los Angeles, California
Services for Sec. 2 include station acoustics design for both underground stations and trackwork design for groundborne noise and vibration control.
VTA BART Silicon Valley Extension
Santa Clara County, California
Noise and vibration for Tunnel and Line segments, EIR/EIS, prediction of airborne noise impacts from train ops, and evaluation of groundborne noise and vibration.
LA Metro Regional Connector
Los Angeles, California
Measurement and analysis of potential groundborne noise and vibration impacts for 1.6-mile tunnel alignment. Work also included station acoustics and measurements in nearby sensitive arts facilities.
California High Speed Rail EIR/EIS: SF-San Jose + San Jose-Merced
San Francisco-Merced, California
Certified EIR/EIS: Conducted detailed noise and vibration analyses and impact assessments for two of the project sections.
MARTA Acoustical and Vibration On-Call Consulting Since 1973
Atlanta, Georgia
Tasks that include all aspects of track, vehicle, and station noise and vibration to address design, operation, maintenance, and legal issues.
Valley Metro Siemens Light Rail Vehicle Testing
Phoenix, Arizona
Noise and vibration test plan per Metro test specification. Wayside and interior noise and vibration measurements as part of the commissioning process.
NYMTA / Long Island Railroad East Side Access
New York, New York
Evaluated the groundborne noise and vibration impacts through granite. Worked with design team to develop groundborne noise control measures.
Sound Transit University of Washington Northgate Link
Seattle to Northgate Stations, Washington
Design of tunnels, track work at the U-District Station, groundborne noise and vibration control trackwork components with a 5-Hz floating track slab below UW.
MBTA Green Line Rail Extension (GLX) Design/Build
Cambridge, Somerville & Medford, MA
Noise and vibration impact assessment and measurements, and final design of noise barriers and vibration mitigation measures for final design.
WMATA Green Line Groundborne Noise Study
Washington, DC
Collected groundborne noise and vibration data during normal operations due to homeowner complaints. Measured rail roughness in the tunnel along the track.
Queensland Rail
Australia
Review of noise control procedures on narrow and standard gauge tracks. Assessment of wheel squeal, rail fastener stiffness, and wheel/rail conditions.
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