Project overview
Instrumentation for a two-mile, 500-foot-deep tunnel from Kensico Reservoir to the UV disinfection facility.
A $1.9 billion water supply security project managed by the NYC DEP in Westchester County. The core scope involves constructing a two-mile, 500-foot-deep subterranean tunnel between Kensico Reservoir and the Catskill-Delaware Ultraviolet Light Disinfection Facility, alongside deep shaft construction, shoreline stabilization, and intake chamber upgrades to guarantee operational redundancy for over nine million regional consumers.
Instrumentation & services deployed
12 types
PS
Pre- & Post-Construction Condition Photo Survey

AMTS
Automated Motorized Total Station

AOP
Airblast Overpressure Microphone

CG
Manual Crack Gauge (Tell-Tale)

DMP
Optical Deformation Target / Monitoring Prism

IPI
In-Place Inclinometer

MSP
Manual Survey Point

NM
Real-Time Sound Level & Acoustic Monitor

PZM
Piezometer

SSP
Surface Settlement Point

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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