Question: What Do 811 Markings Mean?

What does the phone number 811 mean?

811 is the national call-before-you-dig phone number.

Anyone who plans to dig should call 811 or go to their state 811 center’s website before digging to request that the approximate location of buried utilities be marked with paint or flags so that you don’t unintentionally dig into an underground utility line..

What color is gas line?

YellowRedElectric power lines, cables, conduit, and lighting cablesYellowNatural gas, oil, steam, petroleum, or other gaseous or flammable materialsGreenSanitary sewers and drain linesOrangeTelecommunication, alarm or signal lines, cables, or conduitsBluePotable water

How deep can you dig without calling 811?

There is no allotted depth before a person needs to call 811. Whether you are just planting small shrubs or installing fences, CGA says any time you are putting a shovel in the ground you need to call due to the fact that many utilities are buried just a few inches below the surface.

What are the 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.

What are temporary survey markings?

Pink indicates temporary survey markings. When a land surveyor visits to precisely draw the exact lines between adjoining properties, he or she will mark the ground in pink. This indicates the legal boundaries affecting the project. Red is the color for electrical equipment.

What are orange utility markings?

As a quick refresh, the APWA color code for utility marking is: 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.

What do white utility markings mean?

ORANGE – Communication, Alarm or Signal Lines, Cables, or Conduit. BLUE – Potable Water. GREEN – Sewers and Drain Lines. WHITE – Proposed Excavation Limits or Route.

What color paint is used to mark gas lines?

Canada & United StatesRedelectric power lines, cables, conduit, and lighting cablesOrangetelecommunication, alarm or signal lines, cables, or conduitYellownatural gas, oil, steam, petroleum, or other gaseous or flammable materialGreensewers and drain linesBluedrinking water3 more rows

How are gas lines marked?

Each utility type corresponds to a specific color of paint or a flag — for example, gas lines are marked with yellow paint or flags. In addition to waiting for marks, you must use the info on your ticket to confirm that ALL utilities have responded before you can dig.

How deep are residential power lines buried?

Underground power lines of any type have very thick insulation. In addition, National Codes dictate the depth, below ground, these lines must be buried. Some low voltage underground circuits could be as shallow as 18 inches, while most higher voltage circuits will be deeper than 24 inches.

What does yellow paint on trees mean?

In the past, other landowners have asked me about the paint used to mark trees and what all the different colors mean. … Some of the other colors he uses are orange for trees to cut, green for trees to leave, and yellow to indicate which row to harvest in a plantation.

Does 811 find water lines?

811: A Critical Safety Tool The electric, oil, gas, and phone/cable lines are owned by the utility right up to the meter, so these are covered by 811. The water and sewer lines are public until you hit the property line; here they become private. 811 does not cover them after this point.

What do blue markings on a curb mean?

Blue: Parking for the disabled only. Motorists must have a disabled person parking placard (typically hanging on the rear view mirror) or disabled person or disabled license plate. 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.

How close can I dig to utility lines?

Keep your trenches or holes at least 18 inches away from 811 markings. The tools used to locate underground wires are not always precise, and 811 guidelines say that holes or trenches should be kept at least 18 inches away from either side of marked lines.

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.

How far down are gas lines buried?

18 inchesFor example, according to California’s regulations, all lines must be buried at a depth of at least 18 inches beneath the ground.

How deep are communication lines buried?

Cable television and copper cable communication lines shall have a minimum depth of cover twenty-four inches 24″) under ditches or 18 inches beneath the bottom of the pavement structure, whichever is greater.

What do utility markings mean?

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 flammables. Green: sewers and drain lines. Blue: drinking water.