The uniform color code is used for marking excavation sites and underground facilities in conflict with an excavation.
Underground facilities may be marked on the ground in either paint, stakes, or flags.
Proposed Excavation
Temporary Survey Markings
Electric Power Lines, Cables, Conduit, and Lighting Cables
Gas, Oil, Steam, Petroleum, or Gaseous Materials
Communications, Alarm, or Signal Lines, Cables, or Conduit
Potable Water
Reclaimed Water, Irrigation, and Slurry Lines
Sewers and Drain Lines