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.
However, once you understand the color system, construction marking flags become important parts of any job site and contribute to the overall safety of the project. For all kinds of construction marking flags and agricultural marking flags, check out Parker Flags and Pennants. We carry an incredible array of flags, banners, and pennants for just about every occasion and situation, and we offer free shipping on most items.
We offer marking flags in a variety of colors for various uses. Call Us At 800-693-2258 today or check them out on our website by clicking here.
The Meaning Of Marking Flag Colors
Here are some of the construction marking flags colors and what they signify, according to the American Public Works Association (APWA) Uniform Color Codes.
Red indicates an electric power line, cables, conduit or lighting cables.
- Yellow indicates natural gas lines, oil, petroleum, steam or other gaseous and potentially flammable material.
- 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.
- Purple is for irrigation, reclaimed water or slurry.
- Pink is used to mark temporary survey areas.
Many different industries use these colored marking flags, from utility construction to landscaping, advertising and lawn care. Anyone working in these industries would be wise to keep plenty of these flags on hand in various colors, so they always are readily available. It also is important for people to understand the meanings of the colors, so they can stay safe.
Agricultural Marking Flags, Construction Marking Flags And More
For construction marking flags or any other type of flag, banner or pennant, check out Parker Flags and Pennants. We carry a wide variety of products at great prices, with free shipping on most items. From custom flags to bike safety flags, from golf flags to pennants and nautical flags, we have an incredible selection. Check us out online or Call Us At 800-693-2258 Today!
FAQs
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 marking flags for? ›
They come in different colors, but red, orange, and pink are the most common. Surveyors use marking flags to identify survey points, boundary lines, and potential hazards. By using these flags, surveyors can ensure that their work is efficient and accurate.
What purpose do flags serve on a construction site? ›
They maintain safety by alerting workers about hazard locations. These flags come in various colors, with each color signifying a different warning.
Why did the gas company put flags in my yard? ›
When a construction project is about to take place, utility companies will have their lines located and marked to prevent them from being damaged.
What is the rule for flags? ›
The flag should never touch anything beneath it, such as the ground, the floor, water, or merchandise. The flag should never be carried flat or horizontally, but always aloft and free. The flag should never be used as wearing apparel, bedding, or drapery.
What are the flags on construction sites? ›
It generally marks the completion and highpoint of the steel structure. It's a statement of pride, as well as of patriotism: You put a flag on something “worth” putting a flag on.
What does a white construction flag mean? ›
A white utility flag means pre-marking of the outer limits of the proposed excavation or marking the centerline and width of proposed lineal installations of buried facilities.(proposed excavation limits or route)
What does a green construction flag mean? ›
BLUE FLAGS: Are the color for potable or freshwater. PURPLE FLAGS: These are for slurry, irrigation, or reclaimed water. GREEN FLAGS: Indicate sewer or drainage facilities. WHITE FLAGS: Are placed around the outside perimeter of the job site.
What do pink flags mean in construction? ›
Pink flags – These are used as temporary survey markings. As surveyors measure, they mark their work with pink flags. Measure twice, cut once, and use plenty of pink flags. Pink is also used to mark mysteries. If a utility can't be identified, a worker will pink flag it.
What does a yellow flag mean in construction? ›
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. PINK – Temporary Survey Markings.
The Meaning Of Marking Flag Colors
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. Purple is for irrigation, reclaimed water or slurry.
What color flags are used to mark utilities? ›
Utility Markings
- Red utility flags and/or markings signify electric power lines, conduits, cables, and lighting cables. ...
- Yellow utility flags and/or markings warn of the presence of gas, oil, steam, petroleum, and other gaseous or flammable materials, indicating caution is needed while working in these zones.
BLUE: Potable, Water. GREEN: Sewers and Drain Lines. PURPLE: Reclaimed Water, Irrigation and Slurry Lines. PINK: Temporary Survey Markings.
What do the different color flags mean? ›
General Flag Color Meanings
Red: Signifies war, vibrancy, revolution, and power. It can also stand for domination, courage, and in some instances, danger alertness. Blue: Good fortune, alertness, liberation, and determination. Green: Fertility, prosperity, and agricultural abundance. Yellow: Wealth (gold) and energy.
What are the different color flags in construction? ›
ORANGE FLAGS: Indicate the presence of communication lines. BLUE FLAGS: Are the color for potable or freshwater. PURPLE FLAGS: These are for slurry, irrigation, or reclaimed water. GREEN FLAGS: Indicate sewer or drainage facilities.
What does a white flag mean on a construction site? ›
A white utility flag means pre-marking of the outer limits of the proposed excavation or marking the centerline and width of proposed lineal installations of buried facilities.(proposed excavation limits or route)
What does flag mean code? ›
Flag variable is used as a signal in programming to let the program know that a certain condition has met. It usually acts as a boolean variable indicating a condition to be either true or false. Example 1: Check if an array has any even number.
