Underground Structures (UGS)
Responsibilities of the Underground Structures Branch include:
- Underground infrastructure alignment approval;
- Underground infrastructure information provision;
- Utility coordination;
- Underground structures database acquisition;
- Records management;
- Composite construction database;
- Reviewing/updating alignment standards;
- Provides support to Underground Structures Committee.
What is an "underground structure?"
An underground structure is a facility or structure including pipes, wires, mains, sewers, ducts, conduit and related equipment, in, on, over, under, along or across streets rights-of-way, which from time to time require repair, extension, or replacement.
AWPA Uniform Color Code for Marking Underground Facilities:
Underground facilities shall be marked in accordance with the following designated color code:
|White: Pre-marking of the outer limits of the proposed excavation or marking the centerline and width of proposed lineal installations of buried facilities.|
|Pink: Temporary Survey Markings.|
|Red: Electric power lines, cables or conduit, and lighting cables.|
|Yellow: Gas, oil, steam, petroleum, or other hazardous liquid or gaseous materials.|
|Orange: Communications, cable TV, alarm or signal lines, cables or conduits.|
|Blue: Water, irrigation, and slurry lines.|
|Purple: Slurry and reclaimed.|
|Green: Sewers, drainage facilities or other drain lines.|
The fee for service rate charged to users is $140.00 per hour.
Contact the Supervisor of Underground Structures: