Los Angeles, California Services for Sec. 2 include station acoustics design for both underground stations and trackwork design for groundborne noise and vibration control.
Los Angeles, California Preliminary engineering design review, including independent analysis of bus noise and soundwall design. Reviewed the EIR/EIS and took measurements of tire noise for buses to evaluate the effectiveness of rubberized asphalt.
Los Angeles, California Work included noise and vibration from rail transit, station acoustics, construction noise and vibration, and noise control for auxiliary facilities.