Structural Vibration

Palo Alto

Evaluated proposed building for existing, ambient ground vibration. Conducted FEA studies of floor structures to optimize the structural system design to meet vibration criteria.

San Francisco

Evaluated floor and ground vibration related to highway, street traffic and nearby trains. Predicted floor vibration levels inside the building by employing FEA.

San Francisco

Mechanical equipment noise and vibration control for redevelopment of existing office buildings. Predicted structureborne noise from rooftop mechanical equipment using FEA.


New York City

Evaluated groundborne noise and vibration impacts due to construction and operation of the Second Avenue Subway, and its possible effect on a new building at the Cancer Center.


Sunnyvale, CA

Vibration control provisions for retrofit of an existing building, which included measurement of roof-to-floor transfer functions for air handler vibration prediction.

New York

Study of groundborne noise/vibration from transit facilities, research floor vibration evaluation, and construction vibration controls to minimize impacts to existing viviarium.

San Francisco, CA

Noise/vibration services for 5-story, LEED Gold research facility. Base building structural evaluation of floor for transient vibration due to internal/external sources.

Fremont, CA

Vibration control for sensitive high-tech equipment. Recommendations for HVAC vibration control and vertical hood vibration control, and foundation pier supports for floor slab.

Berkeley, CA

Recommended floor vibration criteria, floor structural requirements, HVAC noise control provisions, and mechanical equipment selection for a biological research laboratory.

Palo Alto, CA

Noise and vibration control for MRI and ophthalmology clinics, mechanical noise and vibration control for radiology lab and clinics, and measurement of ground vibration from trains.

Site assessment and design of a vibration isolated base for a new 3-Tesla MRI. Assessment of ground vibration, and sources of vibration from trains and mechanical equipment.

Analysis of vibration and noise generated by APM located above roof level; vibration isolation design for guideway; and measurement of APM generated vibration on existing systems.