Expertise

High Rise Construction, Boston Winthrop Center, currently under construction in the financial district of Boston, will feature a 691-foot tower offering mixed commercial and residential spaces. GEO-Instruments has deployed six optically-networked AMTS to monitor the structures abutting the site. Networking ensures that all measurements share the same coordinate system. Our GeoCloud services process the measurements…

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Infrastructure Monitoring

Seattle, WA GEO monitored Sound Transit assets and an SPU water line during ground improvement work on an adjacent property. Instrumentation included automated vibration monitors for the water line and an AMTS system to monitor the Sound Transit assets.

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Marine Bulkhead -AMTS

New York GEO is monitoring a bulkhead along Harlem River in advance of construction of piers for a new bridge. Instrumentation includes AMTS and automated vibration monitors.

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Monitoring Structures above Tunnel

Baltimore, MD GEO monitored an existing train tunnel as work proceeded on a new sewer tunnel. The AMTS in the photo was monitoring surface points, while another AMTS was monitoring within the tunnel. Other instrumentation included shape arrays, piezometers, extensometers, and automated vibration monitors.

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Tunnel Monitoring

Bethesda, MD GEO monitored a WMATA tunnel structure with strain gages, convergence gauges, tiltmeters, vibration monitors, and AMTS. The AMTS and prisms are clearly visible in the photo on the right. Also visible is one of the eight vibration monitors and wall-mounted geophones.

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MassDOT rehabilitated the Merrimack River Bridge, strengthening the superstructure and mitigating scour around the bridge piers. GEO placed an automated total station (AMTS) on the nearby Comeau bridge to monitor the stability of the piers of the Merrimack bridge. The AMTS measures angles and distances to prisms installed on the piers. The GeoCloud server provided…

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Welding a Prism Bracket

Salesforce tower, the tallest building in San Francisco, is the centerpiece of the Transbay Redevelopment project. GEO monitored the support of excavation system. GEO deployed four AMTS systems and more than 138 prisms, such as the L-bar prism above, installed at critical locations on the support system.

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