When working around buried facilities, remember that main lines are typically at least 2 feet deep while service lines are only at about 18 inches deep.
Existing grades can change and the current depth may be different when it first was installed.
Can I use galvanized pipe for natural gas in California?
The other is that if galvanized pipes are used for water then using black for gas distinguishes the two uses. If pipe is in the ground it will tend to corrode faster (depends on the soil conditions). Many areas do not allow galvanized pipe underground for gas piping and factory coated steel pipe must be used.
How deep are utility lines buried in Washington?
Lines are buried an average depth of 3 feet, the utility said.
How deep does a sewer line need to be in California?
Sewers. According to the California Plumbing Code, a residential sewer must begin two feet outside the building, connect to the public sewer and have a minimum slope of 1/4 inch per foot.
How do I get gas to my property?
To supply gas to a property it must first be connected to the gas grid. If the property is not connected to a gas grid then a Gas Distribution Network (GDN or GT) company can provide a connection from the nearest supply to the gas meter of your property.
What happens when you hit a gas line?
If you do ever hit a gas pipe while you are digging it’s important that you take the right action. You also need to call the utility company on the emergency number to advise them that there is a gas leak. Remember that sparks and gas do not match and an explosion can occur if they come into contact with each other.
What pipe can be used for natural gas?
Steel, copper, brass: The most common gas piping is black steel. Galvanized steel, copper, brass or CSST (Corrugated Stainless Steel Tubing) also can be used in some areas, but some utilities specifically prohibit the use of copper.
Why is gas pipe black?
The black coating helps prevent corrosion. Black iron pipe used to be found in water lines, but has been much more popular for gas since the advent of copper, CPVC, and PEX. It is a great option to gas for two reasons. 1) It is strong, and 2) it is relatively easy to put together.
How far down are utility lines buried?
These are general guidelines for how deeply most utility lines are buried. Confirm with local companies because grade changes completed after lines were laid may alter depth. Gas: No standard depth; 24 inches average, 36 preferred. Sewage: 24 to 36 inches in most parts of the country.
How do you know if your house has gas?
How to Tell If You Have an Electricic or Gas Water Heater
- Remove the access panel on the side of the water heater and look inside for a blue flame.
- Look at the top of the heater for an electrical supply cord.
- Search for a black pipe going into the bottom of the tank.
- Identify a copper pipe going into the bottom of the tank, as long as you don’t see a black gas pipe.
Photo in the article by “Picryl”