Contents
What do the different colored utility flags mean?
RED – Electric Power Lines, Cables, Conduit and Lighting Cables. YELLOW – Gas, Oil, Steam Petroleum or Gaseous Materials. ORANGE – Communication, Cable TV, Alarm or Signal Lines, Cables or Conduit. BLUE – Water, Irrigation and Slurry Lines. GREEN – Sewers and Drain Lines.
What are white utility markings?
White stands for the proposed borders of an excavation. 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. This is usually the first step before any underground infrastructure is precisely located.
What color are gas line markers?
Yellow
Red: electric power lines, cables, conduit and lighting cables. Orange: telecommunication, alarm or signal lines, cables or conduit. Yellow: natural gas, oil, steam, petroleum or other flammable. Green: sewers and drain lines.
Why is there a pink flag in my yard?
Pink flags – These are used as temporary survey markings. As surveyors measure, they mark their work with pink flags. Pink is also used to mark mysteries. If a utility can’t be identified, a worker will pink flag it.
What do the utility colors mean?
Blue: Potable, or drinkable, water. Green: Sewers and drain lines. Orange: Communication, alarm or signal lines, and cables or conduit. Pink: Temporary survey markings. Purple: Reclaimed water, irrigation, and slurry lines.
What do Miss utility markings mean?
The colors below are industry standard and each color identifies a specific type of utility. White: Proposed Excavation. Pink: Temporary Survey Markings. Red: Electric Power Lines, Cables, Conduit and Lighting Cables. Yellow: Gas, Oil, Steam, Petroleum, or Gaseous Materials.
Why are there white flags in my yard?
Note that if you see any white paint or flags, this is typically marking the route of the proposed excavation. You may also see a marking in the street or near a pole or structure with an arrow that says “Call 811,” “Miss Utility,” “One Call,” “Dig Safe,” “UFPO,” etc.
Why are there different colors of marking Flags?
Marking flags have important uses in a number of industries. Most often, they help maintain safety on job sites. They come in numerous colors, with each color representing a different type of underground utility. Because there are so many different colors, it can be hard to know what each one means.
What do orange, green, and white flags mean?
Orange is for telecommunication lines, cable TV and alarm or signal lines. Blue indicates drinkable water. Green is for sewers lines and drains. White is for proposed excavation routes and limits.
What does a red and white utility flag mean?
Red flags – Red is the most common flag. It signifies electric utilities, such as cables and power lines. These mark the power lines that connect to a neighbor’s power grid. Marking these junctions helps avoid a neighborhood-wide power outage. White flags – White flags mean excavation.