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Yellow = Natural Gas (Also Oil And Liquid Fuels) Blue = Water.

Communication, alarm or signal lines, cables or conduit. If you have questions regarding the apwa uniform color code, we recommend contacting your state's utility notification center. Visit the utility locating page to learn more about.

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Blue is used to mark out potable (drinkable) water sources such as city, municipal, and domestic water. Blue is also related to your plumbing, but these markings indicate plumbing lines related to your drinking water. Underground utility marking is crucial to keeping worksites, facilities, and properties compliant with state regulations and workers safe and protected.

Whenever Utilities Are Located They Are Marked With These Underground Utility Color Codes:

Color of underground utility markings What do the utility marking colors mean safe site locating services colour codes for marking underground utilities impulseradar apwa color codes mo one call color codes for utility markouts acs underground solutions. Communications, alarm or signal lines, cables or conduit.

Gas, Oil, Steam, Petroleum Or Gaseous Materials.

Pipe color codes ansi/asme a13.1 the ansi/asme a13.1 pipe marking color code explained. When utility company representatives mark a location, they use colored flags and/or paint to identify the type of underground service. Sewers, drainage facilities or other drain lines.

Whenever You See These Markouts It Is Always Smart To Proceed With Caution, If Your Not Familiar With Them.

Green is the color code for marking underground utilities related to sewers and drain lines. Utilities, contractors, other associations, manufacturers and all others involved in excavation to adopt the apwa uniform color code, using ansi standard z535.1 safety colors for temporary. So, from california to ohio to maine, the colored markings share the same meaning… utility location & coordination council uniform color code