811 Color Codes Nc. To increase visibility color coded vertical markers temporary stakes or flags should supplement surface marks. Access a full copy of nc811 s excavation guide private line locators.
The american public works association apwa uniform color codes for temporary. Know what the paint and flags on the ground mean damage contact info. Learn more about safe digging.
Apwa uniform color codes for temporary marking of underground utilities red electric power lines cables conduit and lighting cables yellow gas oil steam petroleum or gaseous material orange communication alarm or signal lines cables or conduit blue potable water green sewers and drain lines white proposed excavation limits or route.
If your state accepts online requests from homeowners and contractors you will see buttons for online requests. The american public works association apwa uniform color codes for temporary. Normally open terminal normally closed terminal and common terminal respectively. Utility color codes are used to identify existing underground utilities in construction areas with the intent of protecting them from damage during excavation.
