Relier Pairs Utility Flag ColorsVersion en ligne Underground utility lines are marked with flags and/or paint in accordance with the color code below. Test your knowledge of what each flag color represents par Kate Goodhart 1 2 3 4 5 6 7 8 Communications lines, cables or conduit Potable water Temporary survey markings Gas, oil or steam Sewer and drain lines Proposed excavation Electric power lines Reclaimed water, irrigation and slurry lines
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