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  2. Utility location - Wikipedia

    en.wikipedia.org/wiki/Utility_location

    Yellow spray paint indicating below-street gas utility line (New York City, 2007) Telecommunication cable location marking Colored flags for utility locating Permanent water pipeline markers in Switzerland. Utility color codes are used to identify existing underground utilities in construction areas, to protect them from damage during ...

  3. Pipe marking - Wikipedia

    en.wikipedia.org/wiki/Pipe_marking

    Example of pipe marking through colors and symbols (arrows) to indicated pipe contents (colors) and flow direction (arrows). Pipe marking on a natural gas pipe In the process industry , chemical industry , manufacturing industry , and other commercial and industrial contexts, pipe marking is used to identify the contents, properties and flow ...

  4. Color code - Wikipedia

    en.wikipedia.org/wiki/Color_code

    Pipe marking; Queen bee birth year code; Underground utility location; Hospital emergency codes often incorporate colors (such as the widely used "Code Blue" indicating a cardiac arrest), In military use: Homeland Security Advisory System; Artillery shells and other munitions, which are color-coded according to their pyrotechnic contents; List ...

  5. Detectable tape - Wikipedia

    en.wikipedia.org/wiki/Detectable_tape

    Detectable tape or Underground warning tape is a conductive tape typically applied over buried utilities made of non-conductive materials such as plastic, fiberglass, or cement. It is used because most utility location methods work best on conductive objects, and hence may easily miss structures made of non-conductive materials.

  6. Subsurface utility engineering - Wikipedia

    en.wikipedia.org/wiki/Subsurface_utility_engineering

    Subsurface utility engineering (SUE) refers to a branch of engineering that involves managing certain risks associated with utility mapping at appropriate quality levels, utility coordination, utility relocation design and coordination, utility condition assessment, communication of utility data to concerned parties, utility relocation cost estimates, implementation of utility accommodation ...

  7. London's iconic underground map is getting an update, with 6 ...

    www.aol.com/news/londons-iconic-underground-map...

    For anyone with even a passing acquaintance with London, the city's Tube map is as iconic as the red buses or the black cabs. Now, London Mayor Sadiq Khan hopes to bring some clarity to the ...