Baltimore, MD: Infrastructure monitoring – GEO is monitoring an existing train tunnel as work proceeds on a new sewer tunnel. The AMTS above is monitoring surface points, while another AMTS is monitoring within the tunnel. Other instrumentation includes shape arrays, piezometers, extensometers, and automated vibration monitors.
Bellevue, WA: Infrastructure monitoring – GEO is monitoring construction of a metro tunnel and the structures along the alignment of the tunnel. The photo above shows installation of a road prism. Other instrumentation includes utility monitoring points (UMP), extensometers, inclinometers, piezometers, strain gauges.
New York City: Structural monitoring – GEO is monitoring the controlled release of tension in a pretensioned steel structure as work proceeds on this retail store. Instruments include AMTS and strain gauges.