Select Projects
Sound Transit Lynnwood Link Extention
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 operations, and evaluation of groundborne noise and vibration.
California High Speed Rail EIR/EIS: SF-San Jose + San Jose-Merced
San Francisco-Merced, California
EIR/EIS Phase: Conducting 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
Developed a noise and vibration test plan per Valley Metro test specification. Conducted 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 and the U-District Station, groundborne noise and vibration control trackwork components including a 5-Hz floating track slab system 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
Collecting ground-borne noise and vibration data during normal operations in response to homeowner complaints. Measuring rail roughness in the tunnel along sections of the track corresponding to those homes.
Queensland Rail
Australia
Review of wheel/rail noise control procedures on narrow and standard gauge tracks, as well as assessment of wheel squeal, rail fastener stiffness, and wheel/rail contact conditions.
TTC Eglinton Crosstown LRT
Toronto, Canada
Groundborne noise and vibration study for proposed subway line.
Contact Any of Us About Your Project
Project types include:
Environmental impact studies
Noise and vibration measurement
Alternatives analyses
Track vibration isolation
Transit vehicle interior noise
Transit vehicle ride quality
Station acoustics
FRA Quiet Zone studies
Aerial structures and tunnels
Grade separations
Yards and maintenance facilities
Construction noise and vibration monitoring
Noise barrier design
Noise and vibration studies include:
Heavy rail
Light rail
Commuter rail
High speed rail
Railroads
Intermodal facilities
Automated people movers
Bus rapid transit
Streetcar