structures
West Point CEAC
West Point CEAC West Point Military Academy is adding a Cyber & Engineering Academic Center as seen in this architect’s rendering. The start of construction involved blasting rock to make room for the new structure. GEO deployed 30 automated vibration monitors to monitor the effects of the blasting. Geophones were installed directly onto the structures…
Read MoreMSE Wall Repair
MSE Wall Repair Project OverviewKeller was called in to stabilize and repair a failed MSE wall. The wall supported a highway overpass. GEO-Instruments was contracted to monitor the wall during the repair work. InstrumentationGEO deployed 31 wireless tiltmeters and two AMTS systems with 60 prisms to monitor approximately 1400 feet of MSE wall. GeoCloud Automation…
Read MoreSeatac Utility Upgrade
Seatac Utility UpgradeProject A utility upgrade project at SeaTac’s north terminal required excavations adjacent and below the departure ramp foundation. An AMTS system was selected to monitor for any displacements induced by the excavations. Challenge For the first excavation, AMTS was positioned outside the utility room. For the second excavation, the AMTS was repositioned to…
Read MoreMed Center Expansion
Med Center Expansion Project:Providence Tarzana Medical Center is undergoing a 540 million dollar upgrade and enhancement that involves removal of some older structures and construction of a new patient wing, a new parking structure, and a new main building. Monitoring Requirements GEO-Instruments was contracted to monitor the support of excavation for the new patient wing…
Read MoreTampa Airport
Tampa Airport Expansion ProjectTampa International Airport’s $2 billion expansion plan will allow the airport to serve a projected 34 million passengers per year, up from the current 21 million. Photo was taken from the tower. Monitoring RequirementKeller is installing foundations for three new structures at the airport. Existing structures had to be monitored for…
Read MorePedestrian Bridge
Ballston Pedestrian Bridge The Project The redevelopment plan for Ballston Quarter, the commercial center of Arlington, Virginia, included a new pedestrian bridge, shown in a conceptual drawing above. The new bridge superstructure was fabricated off site, then transported to the location as shown above, and finally lifted onto prepared piers, as shown in the next…
Read MoreStorage Facility
Settlement of Storage Facility Project This tilt-up constructed storage facility experienced cracks, settlement, and movement of walls. Monitoring Requirement: Monitoring required 10 hydrostatic level cells to monitor settlements, and a node-and-gateway network consisting of 10 wireless tiltmeters to monitor any outward rotation of the walls and 3 crackmeters with wireless VW Nodes to monitor cracks…
Read MoreTerminal Expansion
Denver Airport Expansion Project Denver International Airport added 39 gates to the existing terminals, increasing capacity by 30%. Monitoring Requirement Existing structures were monitored for movement as excavation and construction takes place. GEO was contracted to monitor four structural columns on Terminal C, which was undergoing a 16-gate expansion. Implementation GEO-Instruments installed two L-bar prisms, one…
Read MoreStack Demolition
Stack Demolition The polar vortex event in January 2019 brought extreme fluctuations in temperatures that cracked the entire length of this 250 foot stack. The crack affected both the brick liner and the steel outer casing. The unstable stack had to be monitored before and during demolition. The monitoring solution involved placing survey prisms onto…
Read MoreHigh Rise Construction
High Rise Construction Project Winthrop Center in the financial district of Boston features a 691-foot tower offering mixed commercial and residential spaces. Challenges As with all city-center projects, the initial challenge was finding the best location for each AMTS and working with building owners to gain access. Site activities will bring other challenges: construction equipment…
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