2014 – ongoing. Profound has supplied a large quantity of Liquid Levelling Sensors as part of the geotechnical and structural monitoring solution to the San Francisco Municipal Transportation Agency’s Third Street Light Rail Transit Project for the Central Subway Tunnelling Contract.
The Liquid Levelling Sensors are being used in addition to Automazed Motorized Total Stations to monitor building movement. The project is being carried out by Wang Technology in cooperation with Specto Technology, LLC.
Client: San Francisco Municipal Transportation Agency’s (SFMTA).
More info about the project: Central Subway San Francisco