projects
Automated Monitoring at Oil Sands Site
Automated Monitoring at Oil Sands Site Challenge Oil sands make up one of Canada’s most important fossil fuel reserves, but their exploitation has to be monitored with care. To this end, a major Canadian energy company installed 2,000 vibrating wire piezometers in the tailings dams at its northern Alberta oils sands site. At the time,…
Read MoreRVMs in Nevada
RVMs Monitor Sheet Pile Installation Four of the six RVMs positioned along the sidewalk adjacent to the work zone. GEO’s rugged vibration monitor (RVM)Â are deployed at this site in Nevada to monitor vibrations from sheet pile installation. Unlike most other vibration monitors, RVMs can be installed in public locations. The lockable, heavy-weight steel enclosure has…
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 MoreCrossbay Bridge Upgrade
Crossbay Bridge Upgrade ProjectScheduled upgrades for this six-lane highway bridge include replacement of fender systems and improvement of scour protection. The bridge must remain open during construction. Monitoring RequirementsThe project will require vibration monitoring and stability monitoring. The photo above shows heavy stone mattresses being placed at the base of the piers for scour protection.…
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 MoreCalifornia High Speed Rail
California High Speed Rail ProjectThe California High Speed Rail system will connect San Francisco to Los Angeles with trains traveling up to 220 mph on grade-separated track. (Rendering courtesy of California High Speed Rail Authority). GEO-Instruments is at work on a section of the project between Fresno and Bakersfield. The elevated tracks will be supported…
Read MorePrado Dam Basin
Prodo Dam Basin Project The USACE enlarging the flood control basin and building a dike to enhance flood risk management at Prado Dam. The basin is designed to accomodate a 200-year event. Monitoring Requirement Engineers needed to monitor settlement, total pressure, and pore-water pressures. Implementation GEO installed a wireless, solar-powered logger, three settlement cells, an…
Read MoreMicrotunneling at LAX
Microtunneling at LAX Project The LAMP project at LAX in California is a multi-billion dollar program for modernizing access to and from the airport. One part of the project involved installation of 9,700 feet of 48-inch diameter earthquake-resistant pipe within the City of LA street rights of way. Cut and cover was used for most…
Read MoreGround Improvement
Ground Improvement for Warehouse ProjectTo consolidate foundation soil for a large warehouse facility in California, Keller installed wick drains and followed up with deep dynamic compaction and surcharging. Monitoring Requirement Monitoring the progress of consolidation required easy access to continuous measurements of pore-pressure and settlement. ImplementationVibrating wire piezometers were installed across the site. Wireless logger…
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