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.
What is Apwa paint?
The American Public Works Association (APWA) recommends the following guidelines be used when marking underground utilities. White = Proposed Excavation. Pink = Temporary Survey Markings. Red = Electric Power Lines, Cables, Conduit and Lighting Cables.
What do marking paint colors mean?
Below is the color coding system: RED: Electric Power Lines, Cables, Conduit and Lighting Cables. YELLOW: Gas, Oil, Steam, Petroleum or Gaseous Materials. ORANGE: Communication, Alarm or Signal Lines, Cables or Conduits. BLUE: Potable, Water.
What does white marking paint mean?
White stands for the proposed borders of an excavation. When crews need to mark the limits of the excavation needed for a basement, or even just a trench, they mark the outlines in white paint. This is usually the first step before any underground infrastructure is precisely located.
What are utility colors?
- RED – Electric Power Lines, Cables, Conduit and Lighting Cables.
- YELLOW – Gas, Oil, Steam, Petroleum or Gaseous Materials.
- ORANGE – Communication, Alarm. or Signal Lines, Cables or Conduit.
- BLUE – Potable Water. GREEN – Sewers and Drain Lines.
- PURPLE – Reclaimed Water, Irrigation and Slurry Lines.
- 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 flammable.
- Green: sewers and drain lines.
- Blue: potable drinking water.
What is the APWA color code?
Red: Electric power lines, cables or conduit, and lighting cables. Yellow: Gas, oil, steam, petroleum, or gaseous materials. Orange: Communication, alarm or signal lines, cables or conduits, and fiber. Blue: Potable water.
What do Dig Safe markings mean?
Who marks the lines? Utility companies (NOT Dig Safe) mark their own lines. Dig Safe is the communication network that notifies these companies to respond for a mark-out. Some utility members use contract locating companies to mark their lines. Member companies are not responsible to mark privately owned facilities.
What does pink paint on trees mean?
The following are some work items and the primary and/or secondary colors used to mark each: Cut tree (blue/yellow), leave trees (orange/pink), wildlife reservation (white), cutting boundary (orange), cancel prior work (black), and property lines (red).
How do you read marked utilities?
As a quick refresh, the APWA color code for utility marking is:
What does yellow paint on grass mean?
YELLOW – Gas, Oil, Steam Petroleum or Gaseous Materials. ORANGE – Communication, Cable TV, Alarm or Signal Lines, Cables or Conduit. BLUE – Water, Irrigation and Slurry Lines. GREEN – Sewers and Drain Lines. PINK – Temporary Survey Markings.
What does a blue flag in your yard mean?
Blue flags – Blue means water, irrigation or slurry. Usually this is drinking water. Damage this line and you could flood your home or find yourself without drinking water for a few days.
What does blue spray paint on grass mean?
drinking water
Blue: drinking water. Purple: reclaimed water, irrigation and slurry lines.
Why is USA spray painted on the ground?
Have you noticed PG&E poles all over town spray-painted with the letters U-S-A? It’s not patriotic graffiti, but an acronym for “underground service alert” indicating that electrical, gas, cable, water, sewer or power lines lie below.
What does green paint on sidewalk mean?
Green: Parking allowed for a short time. The time is usually shown on a sign next to the green zone, or may be painted on the curb. Green curb can also be used for student loading zones if accompanied by the appropriate signs. Yellow: Stop only long enough to load or unload passengers.
What does green paint on road mean?
What it means: Green was chosen for bike markings to avoid confusion with other standard pavement marking colors. The primary purpose of these markings is to alert all other roadway users to the presence of a bicycle facility and a potential conflict and emphasize vehicle priority.
What does USA marking mean?
Underground Service Alert of
Before digging on a property, everyone is supposed to delineate the proposed dig area with white markings, so that DigAlert knows where to focus its efforts. People write “USA” because DigAlert’s official name is actually Underground Service Alert of Southern California, or USA/SC.
What do white markings on street mean?
C. White lines shall be marked upon streets and highways to designate parking spaces, and when so marked, vehicles shall be required to park wholly within such designated parking spaces.
What does USA mean on sidewalks?
Underground Service Alert (USA) is a non-profit mutual benefit organization that links the excavation community and the owners of underground lines.
What do sidewalk markings mean?
The main purpose for markings in the street or on the sidewalk is to indicate where pipes, ducts, cables, and other structures are located, and what direction they flow in, so that they’re not hit or destroyed during construction.
