The facility owner or their contract locator will mark the ground with either flags or paint. The colors below are industry standard and each color identifies a specific type of utility.
| APWA UNIFORM COLOR CODE |
| |
|
WHITE - Proposed Excavation |
| PMS 806˜ |
|
PINK - Temporary Survey Markings |
| PMS 1795˜ |
|
RED - Electric Power Lines, Cables, Conduit and Lighting Cables |
| PMS 108 |
|
YELLOW - Gas, Oil, Steam, Petroleum or Gaseous Materials |
| PMS 144˜ |
|
ORANGE - Communication, Alarm or Signal Lines, Cables or Conduit |
| 13.5 parts process, 2.5 parts reflex |
|
BLUE - Potable Water |
| PMS 253 |
|
PURPLE - Reclaimed Water, Irrigation and Slurry Lines |
| PMS 3415 |
|
GREEN - Sewers and Drain Lines |
These PMS colors are close approximations of the ink formulas represented by ANSI color chips for safety colors and are offered as a convenience in dealing with your printer.
For professional excavators that would like to order cards for your crews, please click here.
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