Locate Flag

 

Locate Marks

Locate marks, are indicated with paint, stakes or flags. They are close together to clearly identify the horizontal alignment of the buried service(s).

The American Public Works Association (APWA) colour codes are used for temporary marking of underground utilities.

 

Proposed Excavation WHITE Proposed Excavation
Temporary Survey Marks PINK Temporary Survey Markings
Electric Power Lines, Cables, Conduit, and Lighting Cables RED Electric Power Lines, Cables, Conduit, and Ligting Cables
Gas, Oil, Petroleum, or Gaseous Materials YELLOW Gas, Oil, Petroleum, or Gaseous Materials
Communicatoin, Alarm or Signal Lines, Cables or Conduit ORANGE Communicatoin, Alarm or Signal Lines, Cables or Conduit
Potable Water BLUE Potable Water
Reclaimed Water, Irrigation and Slurry Lines PURPLE Reclaimed Water, Irrigation and Slurry Lines
Sewer and Drain Lines GREEN Sewer and Drain Lines