(a) All sign framing and supports shall be repaired or repainted as required to preclude blight or deteriorating influence. Any conforming sign or support blown down, destroyed or otherwise involuntarily taken down may be rebuilt, restored or relocated upon obtaining a new permit, complying with this Zoning Ordinance and subject to approval of the Building and Zoning Inspector.
(b) All legally nonconforming signs and supports shall not be graphically or structurally altered, added to or enlarged, changed or relocated except in conformity with or to conform to this Zoning Ordinance. Any legally nonconforming sign which is involuntarily removed or damaged or destroyed for any cause, by sixty percent (60%) or more of its replacement value at the time of such damage or destruction, may be rebuilt, restored or relocated only after obtaining a new permit from the Building and Zoning Inspector, upon complying with this Zoning Ordinance, and subject to approval of the Building and Zoning Inspector. Lawfully permitted change of copy and minor repairs such as cleaning, painting and refurbishing is permitted at any time. Legally nonconforming signs damaged or destroyed by less than forty percent (40%) of replacement value may be restored to previous nonconforming condition if commenced within thirty days of such damage or destruction and diligently pursued to completion.