OWNER / AGENCY
PANYNJ / PATH
MARKET
Rail & Transit →LOCATION
Lower Manhattan, NY
INSTRUMENT TYPES
20 deployed
Project overview
Monitoring across the Oculus terminal, concourses and eleven subway lines in Lower Manhattan.
The World Trade Center Transportation Hub represents a landmark public transit and civil infrastructure redevelopment in Lower Manhattan executed under the authority of the Port Authority of New York and New Jersey (PANYNJ). The project encompassed the construction of the central Oculus terminal, extensive subterranean pedestrian concourses, street-level municipal utilities, and complex intermodal connections across eleven New York City Transit subway lines, PATH commuter rail systems, and the Battery Park City Ferry Terminal.
Instrumentation & services deployed
20 types
PS
Pre- & Post-Construction Condition Photo Survey

AMTS
Automated Motorized Total Station

AOP
Airblast Overpressure Microphone

ACM
Automated Crackmeter

CG
Manual Crack Gauge (Tell-Tale)

DMP
Optical Deformation Target / Monitoring Prism

INC
Inclinometer

IPI
In-Place Inclinometer

LC
Load Cell

LLS
Liquid Level Settlement System

MSP
Manual Survey Point

NM
Real-Time Sound Level & Acoustic Monitor

OW
Observation Well

PZM
Piezometer

SG
Strain Gauge

SSP
Surface Settlement Point

TE
Tape Extensometer

TM
Tiltmeter

UMP
Utility Monitoring Point

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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