Intent. It is the intent of this chapter to permit legal nonconforming lots, structures, or uses to continue until they are removed but not to encourage their expansion.
It is recognized that there are, lots, structures, and uses of land and structures which were lawful before this chapter was passed or amended which would be prohibited, regulated, or restricted under the terms of this chapter or future amendments.
Such uses are declared by this chapter to be incompatible with permitted uses in the districts involved. It is further the intent of this chapter that nonconformities shall not be enlarged upon, expanded or extended, except as provided below, nor shall nonconformities be used as grounds for adding other structures or uses prohibited elsewhere in the same district.
To avoid undue hardship, nothing in this chapter shall be deemed to require a change in the plans, construction, or designated use of any building on which actual construction was lawfully begun prior to the effective date of adoption or amendment of this chapter and upon which actual building construction has been diligently carried on.