OWNER / AGENCY
MTA Bridges and Tunnels (TBTA)
MARKET
Tunnels →LOCATION
Manhattan–Brooklyn, NY
INSTRUMENT TYPES
5 deployed
Project overview
Structural stability tracking during ceiling repairs and portal seawall installation.
A multi-phase structural rehabilitation and flood protection program for North America’s longest continuous underwater vehicular tunnel. Executed under MTA Bridges and Tunnels, the project involved complete concrete ceiling repairs, mechanical system upgrades, portal seawall installations, and active structural stability tracking across the Manhattan-to-Brooklyn cross-harbor link.
Instrumentation & services deployed
05 types
PS
Pre- & Post-Construction Condition Photo Survey
AMTS
Automated Motorized Total Station
DMP
Optical Deformation Target / Monitoring Prism
TM
Tiltmeter
VM
Vibration Monitor
Instrument codes follow the legend on the Projects index. Detailed scopes, contract values, and references available on request.
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