(i) Co-location of an antenna on an existing structure. Co-location of an antenna on an existing structure which structure is nonconforming does not constitute an expansion of a nonconforming structure or use [see Article VIII Section C of the Devens Bylaws].
(ii) A camouflaged facility.
(iii) Any facility located on top of or adjacent to an existing building or situated such that the facility, is screened and cannot be seen from the adjacent public way(s) and from publicly accessible open space.
(iv) Modifications to an existing or previously permitted wireless communications facility, such as change in ownership or lessee, minor physical changes to the facility (such as adding a utility box or repeater), or restoration of unused portions of towers.
(v) Extension of time for the removal of an abandoned or unused tower or associated facility (see 974 CMR 10.13).
(vi) Temporary use permits (see §10.08).