An easement is essentially the right granted to another person or entity to enter upon or to use all or a part of a parcel of real estate. For example, a utility may have an easement upon the land on which your house sits for power lines, water, lines, etc.
In the context of insurance, easements come into play with regard to title insurance. Title insurance insures one's right, title and interest to real estate--in essence, it assures that the record owner of the property is, in fact, the owner. If someone else stakes a claim to the property, the title insurer will defend your right to the property. A title insurance policy gets issued subject to easements of record. Stated otherwise, the easement is an exception to the full ownership of the property by the policyholder and will be recognized as such by the insurer.
It really depends on the nature of the easement. And the nature of the easement depends on the terms of the easement. Appart from state law which generally defines an easement, the terms of the individual easement usually limit the usage of the easement property...or rather subject the holder of the rest of the property and what is left after the use of the easement to what can and cannot be done on/with/to the land/sky/land beneath the easement. (It is convenient to see an easement as an area with clear boundries, most of the time; however, easements are really rights to use the area a certain way in opposition to the holder of all the other rights to do with it as he pleases.) You really have to know the terms of the easement.
Only if allowed by the terms of the easement.
In the context of a land easement, successors refer to the individuals or entities who inherit or assume ownership of the property burdened by the easement after the current owner. They would be bound by the terms and conditions of the easement agreement as outlined in the legal documentation.
Accidental damage
That type of easement would end when the construction ends. The terms are usually set forth in the instrument or agreement that created the easement. The period is usually a reasonable period during which the construction can be completed. Once the time period has elapsed the easement is extinguished.
If the terms of an easement are to be changed, the changes should be in writing, signed by the landowner and the easement holder, notarized and then recorded in the land records. The amendment should be referenced to the original easement agreement.
On the property the easement is on/over? That depends on the terms of the easement given and agreed to. The most common forms of easements, utility and right of way easements the property owner pays the property taxes.
Those provisions should be set forth in the instrument(s) that created the easements. You should contact the attorney or title insurance company that represented you at the time of your purchase and request a copy of the original easement.
You cannot revoke the easement on your own. If they have violated the terms of the easement then you could bring an action in court to have the easement extinguished. You need to consult with an attorney.
You need to review the document that created the easement to determine that type of responsibility. All the terms should be included in that document.
Full enjoyment of the easement means that the owner of the easement is able to exercise all the benefits of the easement that are described in the document that created the easement. For instance, if an owner of an easement has the right of access to his property over a 12 foot ROW then the owner of the land encumbered by the ROW cannot park cars within the bounds of the ROW so as to impede its use by the owner of the easement.
If the telephone company has a recorded easement against your property, they may install telephone lines to the extent allowed by the easement. You can find out whether there is such an easement against your property by looking in the title insurance policy you received when you bought your property. If you see a telephone easement listed, you can get a copy of it at your county courthouse. If you don't see any telephone easements in the policy, or have questions about the extent of such easements, call the title insurance company.