(A) All structures in existence prior to the adoption of the ordinance from which this chapter was derived which do not meet the structure setbacks and other dimensional standards of this chapter shall be considered substandard structures.
(B) Any extension, enlargement or alteration of an existing substandard structure or sanitary facility shall meet the setback standards of this chapter.
(C) Exceptions to the setback standards for substandard structures may include the following.
(1) An extension, enlargement or alteration of an existing substandard structure or sanitary facility may be permitted on the side of the structure or facility facing away from the river and/or bluffline.
(2) An improvement to an existing structure or facility may be allowed to extend laterally (parallel to the river or bluff) when the improvement is in compliance with the dimensional standards of this chapter and the side yard standards of Ch. 153 of this code.
(3) Exterior decks attached to the structure which do not extend any roof or foundation, may be permitted to extend laterally (parallel to the river or bluffline) at the same setback as the substandard structure if the deck is visually inconspicuous in summer months as viewed from the river, and provided the deck has no roof or building foundation.
(4) Substandard structures which do not meet the bluffland and/or shoreland setbacks shall not be raised in elevation or roofline, except in floodplain areas and then only to protect the structure.
(D) If a substandard structure needs replacing due to destruction, deterioration or obsolescence, the replacement shall comply with the dimensional standards of this chapter.
(Prior Code, § 12-580)