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Color Codes for Utility Marking Paints

January 3rd, 2011 Comments off

Marking paint is used to mark underground utilities, construction sites, athletic fields, parking lots, and many other surfaces. When marking utilities, different colors of marking paint indicate different underground utilities. It’s very important that the correct colors of paint are used when marking underground utilities, so here are the color codes for utility marking paints.

There are two main types of utility marking paint colors: APWA colors, approved by the American Public Works Association, and fluorescent colors.

APWA color codes for utility marking paints are as follows:

APWA white marking paint marks proposed excavation.

APWA orange marking paint marks communication, alarm, or signal lines, as well as cables or conduit.

APWA green marking paint indicates sewers and drain lines.

APWA red marking paint is for electric power lines, cables, conduit, and lighting cables.

Both APWA light blue marking paint and APWA blue marking paint are used for potable water.

APWA high visibility/traffic yellow marking paint is used to mark roads and highway pavement.

APWA utility/safety yellow marking paint marks gas, oil, steam, petroleum, or gaseous materials.

Fluorescent color codes for utility marking paints are as follows:

Fluorescent orange marking paint marks communication, alarm, or signal lines, as well as cables or conduit.

Both fluorescent red/orange marking paint and fluorescent safety red marking paint indicate electric power lines, cables, conduit, and lighting cables.

Fluorescent caution blue marking paint marks potable water.

Fluorescent safety/neon green marking paint represent sewers and drain lines.

Fluorescent hot pink marking paint is used for temporary survey markings.

Fluorescent purple marking paint marks reclaimed water, irrigation, and slurry lines.

All of these marking paint colors are available in both water-based marking paint formulas and solvent-based marking paint formulas.

Interested in the color codes for marking flags, too? Check out this chart of Utility Locating Flag Color Codes.

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