The Best Utility Marking Colors Washington References. Red orange blue purple green pink white yellow. There are many standards out there from a variety of sources, but by far the most popular is the ansi /asme a13.1 standard.
Public and private utility companies follow a national council uniform color code. Sewers, drainage facilities or other drain lines. So, from california to ohio to maine, the colored markings share the same meaning… utility location & coordination council uniform color code
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Yellow = Natural Gas (Also Oil And Liquid Fuels) Blue = Water.
There are many standards out there from a variety of sources, but by far the most popular is the ansi /asme a13.1 standard. Northwest utility notification center (blue) coverage area: Image you will also need to outline your dig area with white paint before you call;
If You Have Noticed These Things, Most Likely You Are Looking At Public And Private Underground Utility Markings.
The law in these states requires prior notice to all utility operators of any proposed excavation or demolition so that they can mark the locations of any underground infrastructure they have that may be affected by your project. White should be used by the excavation company performing work to mark out the area that needs to be surveyed. If you found blue flags, you can try your water company.
This Is Usually The First Step Before Any Underground Infrastructure Is Precisely Located.
White = proposed excavation pink. Be aware many* buried utility lines under your property belong to you. Public and private utility companies follow a national council uniform color code.
Ansi/Asme A13.1 Pipe Marking Standard.
This standard explains colors, text, size, and placement of pipe marking labels. White stands for the proposed borders of an excavation. For orange flags, you could try to call your telephone or cable tv company.
Failure To Call May Result In Fines, Charges For Damages, And Criminal Convictions.
Digging anywhere in the state of washington without calling for a utility locate is against state law. In 1976, construction workers accidentally cut into a petroleum pipeline running under the streets of culver city, california, resulting in a fatal explosion that essentially leveled half of a city block. When crews need to mark the limits of the excavation needed for a basement, or even just a trench, they mark the outlines in white paint.