Utility Marking Paint Colors

Most often used are the colors red yellow blue and black.
Utility marking paint colors. This is because rather than flags or paint chalk or a wax crayon is often used and the colors these are produced in is limited to these basic 4 colors. A special type of spray paint which works when the can is upside down is used to mark lines often in a fluorescent color. Sometimes city or campus utility departments will paint the tops such as manhole lids or sewer drop inlet tops of their utilities these colors before an aerial survey is flown so that the people creating the maps can identify the type of utility. Public and private utility companies follow a national council uniform color code.
Markers must be clearly visible. The color codes for locating utilities conduit or rebar in concrete can present slightly different colors depending on the surface. Blue for water on british roads many colors are the same as in the us but some vary e g. Why are these colors used.
Those markings are usually in the form of small colored utility flags or posts with paint chalk tape or even wax lines made between the markings. Generally flags mark larger systems like multiple ducts or large pipes and posts mark smaller pipes and cables. Utility locator tool in use image by macs4life cc by sa 3 0 various countries have also evolved different color schemes and markings too often with some overlap like. Krylon is an industry leader and top quality brand known for some of the best marking paint available on the market.
The paint markings on the ground you might have seen at a dig are for temporary use but more permanent markers should be placed as the project nears completion and these must be made from materials like treated wood metal uv resistant plastic or similar. 4 thoughts on what do the utility marking colors mean. In terms of. Amazon s choice for utility marking paint rust oleum 266590 professional 2x distance inverted marking spray paint 15 oz fluorescent red orange 4 7 out of 5 stars 399.
Often you will see these colors used to identify utility lines in cities and on a university campus. If you have noticed these things most likely you are looking at public and private underground utility markings. Permanently marking underground facilities. So from california to ohio to maine the colored markings share the same meaning.
Green is used for telecom rather than sewage and drain lines. Treated wood metallic uv resistant plastics etc mark culverts if not readily visible. Marker material shall be durable in nature. The following recommendations shall be followed when permanently marking underground facilities.