Warning tapes are used for various purposes, such as:
| Colour | Utility Line |
|---|---|
White | Proposed Excavation |
Pink | Temporary Survey Markings |
Red | Electrical Power Lines, Cables, Conduit and Lighting Cables |
Yellow | Gas, Oil, Steam, Petroleum or Gaseous Materials |
Orange | Communication, Alarm or Signal Lines, Cables or Conduit |
Purple | Reclaimed Water, Irrigation and Slurry Lines |
Green | Sewer and Drain Line |
Underground facilities shall be marked in accordance with the following designated color code:







