How to See the Unseen City.

How to See the Unseen City.

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This paper presents different methods and equipments used on how to inspect underground infrastructures, networks, sewers, and pipes in some cities around the world. In New York, underground pipes are inspected using an electronic listening equipment as its first line of defense. Maintenance workers...

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Bibliographic Details
Published in:IEEE spectrum 44, 6 (2007).
Main Author: Upson, S.
Format: Article
Language:English
Subjects:
Japan.
New York.
ROADIC.
Digital video.
Electronic listening equipment.
Geospatial-information services.
Magnetic sensors.
Maintenance workers.
Metal pipes.
National mapping repository.
Odometer wheels.
Radar.
Smart pigs.
Sonar scans.
Underground infrastructures.
Underground pipes.
Utility grids.
Video camera.