Trusted on the most demanding programs in the country.
From the World Trade Center Transportation Hub and East Side Access to the Gateway Tunnel Program and the SF Central Subway: instrumentation and monitoring programs on landmark transit, bridge, tunnel, water, and coastal infrastructure across the country.
Landmark programs, one accountable monitoring partner.
Each project lists the owner, the market, and every instrument type we deployed, from pre-construction condition surveys through automated real-time monitoring.
Portal North Bridge
Monitoring the replacement of a century-old swing bridge over the Hackensack River on the Northeast Corridor.
Pulaski Skyway Rehabilitation
Structural and vibration monitoring for deck replacement on the 3.5-mile Route 1/9 Pulaski Skyway.
Kosciuszko Bridge Replacement
Monitoring replacement of the 1939 truss bridge over Newtown Creek with dual cable-stayed spans.
Bronx-Whitestone Bridge Modernization
Structural monitoring during orthotropic deck replacement and foundation reinforcement.
MTA Bridges & Tunnels Systemwide Upgrades, Contract AW-X3
Total station, crackmeter and strain gauge monitoring across MTA Bridges and Tunnels facilities.
East Side Access
Instrumentation for Grand Central Madison and the LIRR tunnels beneath the East River and Midtown.
Second Avenue Subway
Deep-rock tunneling, slurry walls and station boxes monitored from 63rd Street through East Harlem.
Gateway Tunnel Program
Instrumentation for the new Hudson River rail tunnel, approach shafts and North River Tunnel rehabilitation.
SF Central Subway
Tunnel and station-box monitoring for 1.7 miles of new light rail beneath downtown San Francisco.
7-Line Extension
Deep-rock tunneling and cavern excavation monitored for the 1.5-mile extension to Hudson Yards.
NYC Water Tunnel Shaft Infrastructure
Deep-shaft excavation and ground freezing monitored for City Tunnel No. 3 and Delaware Aqueduct connections.
Kensico-Eastview Connection
Instrumentation for a two-mile, 500-foot-deep tunnel from Kensico Reservoir to the UV disinfection facility.
Queens Midtown Tunnel Rehabilitation
Survey and vibration monitoring during post-Sandy restoration and flood barrier installation in both tubes.
Hugh L. Carey Tunnel Resiliency & Modernization
Structural stability tracking during ceiling repairs and portal seawall installation.
Gowanus Canal CSO Retention Facilities
Monitoring construction of underground CSO storage tanks for the Gowanus Canal Superfund remediation.
Owls Head CSO Facility
Deep excavation and retention tank construction monitored on the Brooklyn waterfront.
Roma Street Resiliency & Infrastructure Upgrade
Monitoring storm sewer, sanitary and water main installation in low-lying coastal Staten Island.
Port Monmouth Coastal Storm Risk Management Project
Monitoring floodwall, levee, tide gate and H-pile construction along Raritan Bay in Monmouth County.
New Jersey Salem Wind Port Earthwork Package
Piezometers, inclinometers and extensometers tracking consolidation beneath the offshore-wind marshalling port.
World Trade Center Transportation Hub & Infrastructure
Monitoring across the Oculus terminal, concourses and eleven subway lines in Lower Manhattan.
Penn Station Access
Monitoring four new East Bronx stations and bridge rehabilitations along Amtrak’s Hell Gate Line.
Fulton Street Transit Center
Monitoring the unification of nine subway lines and the historic Corbin Building in Lower Manhattan.
Featured instruments, automated by our experts.
The codes below are the same ones listed on every project page. Photographs are from our own sites.
