How deep does an invisible fence need to be buried?

What kind of wire to bury in the ground

Best Answer

In most cases, the wires should be buried in a trench that is between 1 and 3 inches deep; burying the wires at this depth allows adequate transmission of the signal, while protecting the wire from damage from lawn mowers and other activity on the lawn.

How I Easily Installed an Invisible Fence on a Saturday | Part 2

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How deep are invisible fences buried?

In most cases, the wires should be buried in a trench that is between 1 and 3 inches deep; burying the wires at this depth allows adequate transmission of the signal, while protecting the wire from damage from lawn mowers and other activity on the lawn.

How deep do you bury invisible fence wire?

The main reasons for burying dog fence wire are aesthetics, protection, and trip hazard. If you are planning on burying the wire we recommend a depth between 3" and 24" - burying the wire too deep may begin to alter the signal strength and risks running into other buried lines on utilities in your yard.

How deep can you bury invisible fence wire?

We do not recommend burying the dog fence wire any deeper than 2 ft. Burying to such a level should only be done if you have a large enough property that you can adjust your dog fence transmitter to compensate for the depth. Remember every inch you bury the electric dog fence wire you will lose an inch of signal field.

The Easiest Way to Bury Cable Or Wire Underground

How deep do you need to bury underground dog fence?

We do not recommend burying the dog fence wire any deeper than 2 ft. Burying to such a level should only be done if you have a large enough property that you can adjust your dog fence transmitter to compensate for the depth. Remember every inch you bury the electric dog fence wire you will lose an inch of signal field.

How deep does UF wire need to be buried?

Low-voltage (no more than 30 volts) wiring must be buried at least 6 inches deep. Buried wiring runs that transition from underground to above ground must be protected in conduit from the required cover depth or 18 inches (whichever is less) to its termination point above ground, or at least 8 feet above grade.

How much does an invisible fence cost?

The typical cost to install an invisible dog fence is between $950 and $1500. There are many factors that contribute to the cost of your electric underground fence such as: the quality of the wiring. the cost of the collar.

Does an electric dog fence have to be buried?

From a functional standpoint the electric dog fence wire really doesn't have to be buried at all. If done properly you can avoid both the eyesore and trip hazards without having to bury the wire. Believe it or not a non-buried fence wire holds up just as well as buried wire.

How old does a dog have to be to use an invisible fence?

Your Puppy Should Be At Least 8 Weeks Old. A puppy needs to be around 8 weeks old before they can really start learning how to react to the invisible fence and understand where their boundary lies.

Bury 100ft of wire 10in deep in 10 minutes without any mess.

How old does a puppy have to be to use an invisible fence?

There are a couple things to consider when training a new pet to the Invisible Fence® Brand system. Your puppy should be at least 8 weeks old. A puppy should be able to perform basic training commands such as sit, stay and come, before introducing him to the Invisible Fence® Brand system.

How much does an invisible fence cost for an acre?

Invisible Fence – PetSafe Wireless Pet Containment System (View on Amazon) – A wireless invisible fence that covers an area up to 1/2 acre for $219.99. Wooden Fence – A ranch style wood fence is between $1,500 and $4,500 as a do it yourself project compared with $5,000 and $15,000 for professional installation.

How old does a dog have to be for an invisible fence?

Your Puppy Should Be At Least 8 Weeks Old. A puppy needs to be around 8 weeks old before they can really start learning how to react to the invisible fence and understand where their boundary lies.

How deep do you put invisible fence wire?

In most cases, the wires should be buried in a trench that is between 1 and 3 inches deep; burying the wires at this depth allows adequate transmission of the signal, while protecting the wire from damage from lawn mowers and other activity on the lawn.

Do you have to bury invisible fence wire?

Mounting vs. Burying The Wire. For a regularly mowed lawn it is best to bury the wire. For areas where you do not mow, or where digging would be impossible, you can simply lay the wire above ground and use lawn staples to hold it in place. The dog fence wire can also be mounted on convenient trees or existing fencing.

How To Install An Invisible Fence

Do you need a permit for an invisible fence?

Invisible fences must be 10 feet from sidewalks, and small signs indicating that there is an invisible fence are required. For this type of fence, a permit will be required and signage provided, but no permit fee will be charged. Expandable fences and collapsible fences, except during construction of a building.

Does an invisible fence hurt the dog?

Hidden fences are safe for all dogs and cats, and they won't hurt your pet. The correction a dog receives from a dog fence or other “shock collar” is actually not a shock at all. But no matter how high you get, it can't hurt your dog. His reaction will increase as the level increases, though.

How deep do you bury underground dog fence?

In most cases, the wires should be buried in a trench that is between 1 and 3 inches deep; burying the wires at this depth allows adequate transmission of the signal, while protecting the wire from damage from lawn mowers and other activity on the lawn.

How deep do you bury a dog fence?

In most cases, the wires should be buried in a trench that is between 1 and 3 inches deep; burying the wires at this depth allows adequate transmission of the signal, while protecting the wire from damage from lawn mowers and other activity on the lawn.

How deep do you bury electric dog fence wire?

There is no need to spend a weekend burying the wire underground, or paying some one hundreds of dollars to bury the boundary wire when it can be installed above ground in only a matter of an hour or two. Each Box contains 100 Staples - enough to install 500 feet of wire.

Does an electric fence need to be grounded?

If the power is not sufficient, you may need to add another grounding rod to your electric fence grounding system. Most fences will require two or three grounding rods positioned about 10 ft. apart, near the starting point of the fence.

How deep do you bury dog fence wire?

The main reasons for burying dog fence wire are aesthetics, protection, and trip hazard. If you are planning on burying the wire we recommend a depth between 3" and 24" - burying the wire too deep may begin to alter the signal strength and risks running into other buried lines on utilities in your yard.

How much electricity does an invisible dog fence use?

Average Cost of an Electric Fence. Most invisible electric fences and collars come in packages and are available for purchase at pet stores or online for anywhere from $100 to $400, which does not cover installation or additional accessories. Wiring and a collar are an average of $50 each.

How deep do I need to bury my dog?

Depth wise, the grave should be at least 3-4 feet deep. This is for health reasons and also to safeguard against scavengers, other pets from digging up the burial area, or even rain from washing away topsoil and uncovering the grave. Don't forget a 3 foot deep grave allows for about 2 foot of soil to go back on top.

How deep do you bury electric dog fence?

We do not recommend burying the dog fence wire any deeper than 2 ft. Burying to such a level should only be done if you have a large enough property that you can adjust your dog fence transmitter to compensate for the depth. Remember every inch you bury the electric dog fence wire you will lose an inch of signal field.

How much is an invisible fence?

The typical cost to install an invisible dog fence is between $950 and $1500. There are many factors that contribute to the cost of your electric underground fence such as: the quality of the wiring. the cost of the collar.

How much is an invisible dog fence?

The typical cost to install an invisible dog fence is between $950 and $1500. There are many factors that contribute to the cost of your electric underground fence such as: the quality of the wiring. the cost of the collar.

How do you adjust an invisible fence?

How to Change the Strength of an Invisible Fence Push the button on the receiver. A light on the receiver will flash. Adjust the distance from the boundary wire to trigger a warning alarm. Most transmitter boxes have a knob or lever to use to change the distance. Change the metal prongs on the receiver.

How tight should invisible fence collar be?

To replace the posts, turn them clockwise. Tighten the posts only until you feel resistance to avoid over tightening and damage. How tight should my pet's Computer Collar® unit be around their neck? The collar should be snug enough to slide only one finger between a correction post and your pet's skin.

How does invisible fence work?

Some invisible fence systems feature wires buried in the ground around a set perimeter, such as a yard. A transmitter connected to the wiring emits a radio signal that travels throughout the underground wire. The other key component of the system is a receiver worn on a collar by your pet.

How much electricity does an invisible fence use?

Average Cost of an Electric Fence. Most invisible electric fences and collars come in packages and are available for purchase at pet stores or online for anywhere from $100 to $400, which does not cover installation or additional accessories. Wiring and a collar are an average of $50 each.

How deep does a bass pond need to be?

Fish ponds should be 1/2 acre or more in water surface area. Minimizing the amount of shallow edge around your deep water pond will reduce emergent vegetation, most species of which grow in water less than four feet deep. For this reason, create steep slopes to a depth of four feet or more.

How deep does a foundation footer need to be?

Footers must be a minimum of 24 inches deep. There must be a minimum of 6 inches of concrete in the footer, 2 story home-8 inches deep. Rebars are required in dwellings. Either 1/2 inch or 5/8 inch is permitted.

Does electric dog fence have to be buried?

From a functional standpoint the electric dog fence wire really doesn't have to be buried at all. If done properly you can avoid both the eyesore and trip hazards without having to bury the wire. Believe it or not a non-buried fence wire holds up just as well as buried wire.

How much does it cost to have an invisible fence installed?

The typical cost to install an invisible dog fence is between $950 and $1500. There are many factors that contribute to the cost of your electric underground fence such as: the quality of the wiring. the cost of the collar.

Can dogs run through an invisible fence?

Dogs often run right through invisible fences in the heat of the moment, but to cross back over that line means that they'll get a painful jolt—a prospect that leaves some too scared to return. Real fences and positive training methods in which dogs are rewarded for good behavior are humane and effective.

How long does invisible fence wire last?

Invisible Fence® Brand boundary wire is a direct burial grade wire and has a life expectancy of 27 years left undisturbed in the ground.

How much does GPS invisible fence cost?

Findout the prices at Invisible Fence GPS 2.0 prices The unlimited customization is great. Prices vary for each system. But the Computer Collar by itself is around $700+. Plan on spending at least $3000-$3500 depending on how many animals, the complexity of your design and the installation time.

How much does Invisible Fence Brand cost?

Average Cost of an Electric Fence. Most invisible electric fences and collars come in packages and are available for purchase at pet stores or online for anywhere from $100 to $400, which does not cover installation or additional accessories.

How long does it take to install invisible fence?

Overview of Dog Fence Installation. You should set aside about ten hours for the whole installation project. The first and second steps will take about an hour. Burying the wire will take about four hours (if you use a trencher or edger.

How much is an invisible fence for a dog?

The typical cost to install an invisible dog fence is between $950 and $1500. There are many factors that contribute to the cost of your electric underground fence such as: the quality of the wiring. the cost of the collar.

How much does it cost to install an invisible dog fence?

Invisible Fence – PetSafe Wireless Pet Containment System (View on Amazon) – A wireless invisible fence that covers an area up to 1/2 acre for $219.99. Wooden Fence – A ranch style wood fence is between $1,500 and $4,500 as a do it yourself project compared with $5,000 and $15,000 for professional installation.

Why does Invisible Fence beep?

An invisible fence uses RF, or radio frequency, waves to detect when the transmitter on your dog's collar passes an invisible line in your yard. If there is a break in the fence, the transmitter box will beep nonstop until the break is located and repaired.

How much does it cost to install invisible dog fence?

Average Cost of an Electric Fence. Most invisible electric fences and collars come in packages and are available for purchase at pet stores or online for anywhere from $100 to $400, which does not cover installation or additional accessories.

How does Invisible Fence work across driveway?

How do I get the electric dog fence boundary wire across the driveway? Then place the wire in the groove and seal with an outdoor caulk. If you cut the groove in an exsisting expansion joint in the driveway, the cut can be hidden nicely. Over the Driveway – you can run the containment wire over the driveway.

How does a invisible dog fence work?

Some invisible fence systems feature wires buried in the ground around a set perimeter, such as a yard. A transmitter connected to the wiring emits a radio signal that travels throughout the underground wire. The other key component of the system is a receiver worn on a collar by your pet.

Can invisible fence be installed above ground?

Basically, any electronic dog fence will work above ground however, most require you to bury the wire because the light gauge dog electric fence wire they supply is easily broken unless buried underground.

How much does Invisible Fence typically cost?

The typical cost to install an invisible dog fence is between $950 and $1500. There are many factors that contribute to the cost of your electric underground fence such as: the quality of the wiring. the cost of the collar.

How long does Invisible Fence battery last?

We recommend changing the battery every 3 months. Using a fresh, genuine Invisible Fence® Brand Power Cap® battery is the safest, easiest and most reliable way to guarantee your pet's safety 100% of the time. You can purchase Power Cap® batteries online or from your local dealer. You might have one or more wire breaks.

How much does Invisible fence cost?

The typical cost to install an invisible dog fence is between $950 and $1500. There are many factors that contribute to the cost of your electric underground fence such as: the quality of the wiring. the cost of the collar.

How tall does a Great Pyrenees fence need to be?

Fencing. To keep your Great Pyrenees in, and to keep other animals out, fences should be high (five feet), with wire sunk into the ground along the fence line to thwart digging.

Does Invisible Fence offer financing?

Many companies offer financing or payment plans. Although an invisible dog fence will keep your pets inside your yard, unlike a chain link fence it won't keep other animals, such as deer, raccoons or other pests, out of your yard.

What does invisible fence cost?

Average Cost of an Electric Fence. Most invisible electric fences and collars come in packages and are available for purchase at pet stores or online for anywhere from $100 to $400, which does not cover installation or additional accessories.

How expensive is invisible fence?

The typical cost to install an invisible dog fence is between $950 and $1500. There are many factors that contribute to the cost of your electric underground fence such as: the quality of the wiring. the cost of the collar.

How reliable are invisible fences?

Why invisible fences, just don't work. Many people think an invisible underground wireless electric fence is the best way to keep their dog in their yard. However, they are simply not as effective as you might think. Statistics suggest that invisible wireless electric fences are only about 70% effective.

How deep do foundations need to be for a garage?

For a garage you should be able to achieve a reasonable surface finish without a skim coat. Foundations, traditional strip would be min 1m deep excavation, 450 mm min width, 750 mm depth of concrete.

How deep do Strip foundations need to be?

Deep Strip Foundations. when ground conditions are good. A concrete strip, sometimes reinforced with steel mesh, supports the walls. The trench depth is variable but in most cases should be at least 1m with a width of 600mm.

How old should a puppy be before using invisible fence?

There are a couple things to consider when training a new pet to the Invisible Fence® Brand system. Your puppy should be at least 8 weeks old. A puppy should be able to perform basic training commands such as sit, stay and come, before introducing him to the Invisible Fence® Brand system.

Are Invisible Fences harmful to dogs?

But if you're thinking that an “invisible fence” is a safe way to give your dog some time outdoors, think again. Like us, dogs are made of flesh and blood and nerve endings, three things that don't mix well with electricity. Invisible fences deliver a painful shock when dogs cross a buried electrical wire.

How do invisible fences work?

An invisible dog fence, also called an electric fence, is a wired fence placed underground. This creates an electrically charged boundary that keeps your pet within the confines of your yard without a physical fence. It is connected digitally to an invisible fence collar that the dog wears around its neck.

How effective is invisible fence?

Many people think an invisible underground wireless electric fence is the best way to keep their dog in their yard. However, they are simply not as effective as you might think. Statistics suggest that invisible wireless electric fences are only about 70% effective.

How effective are invisible fences?

Why invisible fences, just don't work. Many people think an invisible underground wireless electric fence is the best way to keep their dog in their yard. However, they are simply not as effective as you might think. Statistics suggest that invisible wireless electric fences are only about 70% effective.

How deep should I bury a dog?

Depth wise, the grave should be at least 3-4 feet deep. This is for health reasons and also to safeguard against scavengers, other pets from digging up the burial area, or even rain from washing away topsoil and uncovering the grave. Don't forget a 3 foot deep grave allows for about 2 foot of soil to go back on top.

Does an underbite need to be corrected?

In less severe cases of underbite, a dentist may be able to use wire or plastic braces or other dental appliances to move the teeth into their correct place. In more severe cases of underbite, a dentist may recommend surgery to correct the condition.

Can a dog run through an invisible fence?

Electronic or so called "invisible" fencing is one of the options that many pet owners choose. As the staff lamented, the dogs would run through the fence and then run away to avoid the shock of going back into their own yard or the batteries had died inside the black box attached to collar.

Should I get an invisible fence for my dog?

Overall the invisible fence collar is a safe way to train your dog as to his boundaries on your property; however, it is not recommended that a dog should be left outside without supervision, as the invisible fence does not keep other animals out of your property. Has your invisible dog fence worked well in your yard?

How much fencing is needed to enclose an acre?

Since this is based on a square, you would take 209 linear feet x 4 sides, to arrive at 835 linear feet of fence to enclose that acre. 3) 209 (linear feet) x 4 (sides) = 836 linear feet to enclose 1 Acres.

How much does it cost for invisible dog fence?

Average Cost of an Electric Fence. Most invisible electric fences and collars come in packages and are available for purchase at pet stores or online for anywhere from $100 to $400, which does not cover installation or additional accessories.

At what age can a dog use an invisible fence?

Your puppy should be at least 8 weeks old. A puppy should be able to perform basic training commands such as sit, stay and come, before introducing him to the Invisible Fence® Brand system.

Can you use an invisible fence on a puppy?

There are a couple things to consider when training a new pet to the Invisible Fence® Brand system. Your puppy should be at least 8 weeks old. A puppy should be able to perform basic training commands such as sit, stay and come, before introducing him to the Invisible Fence® Brand system.

Does Invisible Fence work for big dogs?

By and large, most dog owners who use an Invisible Fence do so with the best of intentions. For many families, especially if they have a large yard, putting up a chain link or wooden fence for their dog is simply not an option due to cost.

When can a puppy be trained on Invisible Fence?

There are a couple things to consider when training a new pet to the Invisible Fence® Brand system. Your puppy should be at least 8 weeks old. A puppy should be able to perform basic training commands such as sit, stay and come, before introducing him to the Invisible Fence® Brand system.

How much is invisible fence for dogs?

The typical cost to install an invisible dog fence is between $950 and $1500. There are many factors that contribute to the cost of your electric underground fence such as: the quality of the wiring. the cost of the collar.

How do wireless invisible fences work?

How the Wireless Dog Fence works. The Petsafe Instant Fence provides the safest, simplest form of pet containment ever. You plug in a transmitter somewhere inconspicuously in your home, and it emits a radio signal around your house. Your pet wears a lightweight receiver collar which listens for the signal.

How much does a dog watch invisible fence cost?

The average cost of an invisible electric dog fence is between $200 and $2,500. The price is determined by the size of your yard, type of terrain, the number of dogs, and if a professional is needed to train your pet. You will likely need to talk to a dog fence installer to get a proper estimate.

How high do deer fences need to be?

White-tailed deer can jump almost eight feet high, so effective upright fences against them should be this high. Deer may be able to jump high, but not both high and over a distance. So a fence may not be as high, perhaps six feet, but slanted outward. The deer will try walking under the fence and meet resistance.

How do invisible fences work for dogs?

The other key component of the system is a receiver worn on a collar by your pet. The receiver detects the radio signal that travels along the buried wire. During training with an invisible fence, pets are taught to stop when they receive the warning sound upon approaching the set boundary.

How do invisible pet fences work?

The other key component of the system is a receiver worn on a collar by your pet. The receiver detects the radio signal that travels along the buried wire. During training with an invisible fence, pets are taught to stop when they receive the warning sound upon approaching the set boundary.

How much do invisible dog fences cost?

The typical cost to install an invisible dog fence is between $950 and $1500. There are many factors that contribute to the cost of your electric underground fence such as: the quality of the wiring. the cost of the collar.

How do invisible electric fences work?

An invisible dog fence, also called an electric fence, is a wired fence placed underground. This creates an electrically charged boundary that keeps your pet within the confines of your yard without a physical fence. It is connected digitally to an invisible fence collar that the dog wears around its neck.

How old does my dog have to be to use an electric fence?

There are a couple things to consider when training a new pet to the Invisible Fence® Brand system. Your puppy should be at least 8 weeks old. A puppy should be able to perform basic training commands such as sit, stay and come, before introducing him to the Invisible Fence® Brand system.

How deep does a house foundation have to be?

Dig deep foundations to bedrock or reinforce with steel or some form of caisson or pier. Design the foundation to fit the building conditions. Start any type of foundation by digging footings, at least 2 feet wide and as deep as the frost line; some foundations will require extra width, some up to 6 feet wide.

How old does a puppy have to be to use an electric fence?

The minimum age recommended by one underground fencing manufacturer, Invisible Fence, is 8 weeks. The pup at 8 weeks is past the tiny baby puppy stage and is more capable of more intensive training. However, a pup this age may be too young to properly train for an underground fence.

Do you have to bury underground fence?

When it comes to installing your fence there are 2 main ways to do it: You can either bury your wire underground or you can leave it above ground. Because most people prefer to bury their wire that's the method we'll run through first.

How much are invisible fences for dogs?

The typical cost to install an invisible dog fence is between $950 and $1500. There are many factors that contribute to the cost of your electric underground fence such as: the quality of the wiring. the cost of the collar.

How much do invisible fences cost?

The typical cost to install an invisible dog fence is between $950 and $1500. There are many factors that contribute to the cost of your electric underground fence such as: the quality of the wiring. the cost of the collar.

How well do invisible fences work?

While traditional fences work well on flat or gently sloping yards, invisible fencing works on almost any terrain. Invisible fences can span hilly spots, wooded areas and water. Also, electronic fences can cover acres of ground in any pattern to create large exercise areas for dogs.

How much is invisible fencing for dogs?

Invisible Fence – PetSafe Wireless Pet Containment System (View on Amazon) – A wireless invisible fence that covers an area up to 1/2 acre for $219.99. Wooden Fence – A ranch style wood fence is between $1,500 and $4,500 as a do it yourself project compared with $5,000 and $15,000 for professional installation.

How old does a dog have to be for an electric fence?

Your Puppy Should Be At Least 8 Weeks Old. A puppy needs to be around 8 weeks old before they can really start learning how to react to the invisible fence and understand where their boundary lies.

How long does it take to train a dog with Invisible Fence?

It takes approximately 6 weeks for a dog to learn the boundaries and be allowed to play in the yard while off the leash.

How tall does a fence need to be for a dog?

1. Big dogs need big fences…because they can jump! A four-foot high fence is unlikely to deter a Husky, Golden Retriever, or Labrador, so you should look for a fence with a height of five or even six feet. For most breeds, six feet should be sufficient.

Does a dog need to be sedated for an ultrasound?

Anesthesia is not usually needed for most ultrasound examinations, unless biopsies are to be taken. The technique is totally painless and most dogs will lie comfortably while the scan is being performed. Occasionally, if the dog is very frightened or fractious, a sedative may be necessary.

Does an emotional support animal need to be registered?

All you need to qualify for an emotional support animal is an ESA letter. It is not legally necessary to register your Emotional Support Animal. You may choose to order a custom ESA Identification Card and ESA vest. These are items that may make travel easier, but you can never be required to have them.

Does a cat need to be sedated for an ultrasound?

If your cat is cooperative, no anesthesia or sedation is needed to perform ultrasound on the heart or the abdomen. Your veterinarian will discuss whether your cat will require chemical restraint.

Does an emotional support animal need to be certified?

If you have an emotional disability, you can legally qualify for an ESA, short for emotional support animal. You must be certified as emotionally disabled by a psychologist, therapist, psychiatrist or other duly-licensed and/or certified mental health professional.

How do I stop my invisible fence from beeping?

How to Stop an Invisible Fence From Beeping Disconnect the wires that connect to the transmitter box by loosening the screw terminals, using a screwdriver. Connect the ends of the RF choke to the terminals on the transmitter box, and then wrap the wire leads you previously removed around opposite ends of the choke wire. Turn the transmitter up to full power.

How much does an automatic fence cost?

A new driveway gate and opener can easily start at $2,000 and more (not including installation), whereas a manual operated gate can easily cost much less. Maintenance is a consideration, too.

Do cows need to be fenced in Stardew Valley?

It's generally wise to have a silo and stores of hay built up before investing in animals, as if you run out of food you will have to buy hay. In order to buy Cows, you must first have at least a regular-sized barn on your farm (built by Robin and requiring 6,000G, 350 Wood and 150 Stone).

Do I have to bury my electric dog fence?

From a functional standpoint the electric dog fence wire really doesn't have to be buried at all. If done properly you can avoid both the eyesore and trip hazards without having to bury the wire. Believe it or not a non-buried fence wire holds up just as well as buried wire.

How do I test my Invisible Fence battery?

If you wish to test the battery: Remove your pet's receiver collar from your pet. Take the collar to the boundary area of your containment system and listen for the collar to beep. If the collar beeps or the test light tool illuminates, the battery and collar are working.

When can you start training a puppy with an invisible fence?

There are a couple things to consider when training a new pet to the Invisible Fence® Brand system. Your puppy should be at least 8 weeks old. A puppy should be able to perform basic training commands such as sit, stay and come, before introducing him to the Invisible Fence® Brand system.

How deep underground wire do I need?

Electrical Wire Encased in PVC Conduit. The National Electric Code (NEC) sets the required burial depth of electric wire in rigid, non-metallic conduit, such as PVC, at 18-inches. Cable in any conduit, including PVC, that is buried at this depth is not in danger of being severed or disturbed by normal digging.