Yellow: Gas, oil, steam, petroleum, or gaseous materials. Orange: Communication, alarm or signal lines, cables or conduits, and fiber. Blue: Potable water.
What color are gas locates?
Canada & United States
|Red||electric power lines, cables, conduit, and lighting cables|
|Orange||telecommunication, alarm or signal lines, cables, or conduit|
|Yellow||natural gas, oil, steam, petroleum, or other gaseous or flammable material|
|Green||sewers and drain lines|
How far down is a gas line?
Main lines are usually found at least 24 inches deep, while service lines are usually 18 inches deep. The current depth of an electric or natural gas line can be different than when it was first installed.
Does yellow mean gas?
As we all know, gas is a colorless petroleum-derived flammable liquid that is used primarily as a fuel in spark-ignited internal combustion engines. YELLOW || Yellow is the color reserved for diesel fuel containers.
Does 811 mark gas lines?
You’ll reach an 811 call center, which will coordinate with Atmos Energy, your electric company and other utilities to mark all the utility-owned underground pipes and cables. … Utility lines are located and marked with color-coded flags. Respect the flags by not digging close to them. It’s free.
What do the 811 colors mean?
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 gaseous materials.
What color is a water line?
COLOR OF PIPE
|Water Lines:||Raw water||Olive Green|
|Waste Lines:||Sludge||Dark Brown|
|Sewer (sanitary or other)||Dark Gray|
|Other Lines:||Compressed Air||Dark Green|
What do utility paint colors mean?
Utility color codes are used to identify existing underground utilities in construction areas with the intent of protecting them from damage during excavation. This is done with either flags or a special spray paint, neither of which will cause long-term harm to your lawn.
How far underground are water lines?
Exterior piping may be either buried or installed aboveground and shall be well supported and protected against mechanical damage. Underground piping shall be buried not less than 18 inches below the surface of the ground unless otherwise protected.
How do I know where my gas line is?
Calling the 811 Hotline
The best way to locate gas and other utility lines that are underground before you dig is by calling 811. When you make a free call to this federally designated number, your address, information on where you’re planning to dig and other information will be sent to any affected utility operators.