Structural Vibration

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

Clark Center at Stanford University

Palo Alto

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

UCSF Clinical and Translational Science Institute

San Francisco

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

Hawthorne Folsom Place Redevelopment

San Francisco

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.

Memorial Sloan-Kettering Cancer Center

New York City

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

Toshiba Semiconductor Fabrication Facility

Sunnyvale, CA

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

The Rockefeller University Comparative Bioscience Center Annex

New York

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

UCSF Sandler Neuroscience Center

San Francisco, 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.

Nikon Precision Headquarters

Fremont, CA

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

Lawrence Berkeley National Laboratory, Seismic Upgrade Phase 2

Berkeley, 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.

Palo Alto Medical Foundation, Clark Building

Palo Alto, CA

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.

Stanford Hospital Cardiac MRI, Palo Alto

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.

DFW Airport Automated People Mover System, Terminal D