Atlanta, Georgia Tasks such as: groundborne vibration from rail vehicles at-grade, on aerial structures and ballast and tie tracks; as well as trackbed force spectra for future car prototypes.
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.
San Francisco-San Jose, California Environmental noise and vibration impact analysis for proposed 47-mile high speed rail corridor.
San Francisco, California Noise and vibration consulting services for all BART extensions (PAX, DPX, CSX, WSX, SFO).
New York, New York Evaluated the groundborne noise and vibration impacts associated with operating commuter trains in subway tunnels. Worked with design team to develop groundborne noise control measures.
Denver, Colorado Noise and vibration impact evaluation and control during the DB phase for 3 EMU rail corridors totaling 34 miles in length.
Seattle, Washington Vibration propagation, groundborne noise/vibration prediction, and track noise/vibration recommendations.
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.
Taiwan, PRC Responsible for airborne and structure-borne noise analysis and control for trains traveling at up to 180mph through station.
Toronto, Canada Groundborne noise and vibration study for proposed subway line.