Existing nonconforming structures with a conforming use which are damaged or destroyed by fire, explosion, flood, or other calamity shall, when reconstructed, conform to the established building setback lines along streets and the yard, height, parking, loading, and access provisions of this chapter. If a nonconforming structure with a conforming use was damaged or destroyed after March 1, 2006, by violent wind, vandalism, fire, flood, ice, snow, mold, or infestation, such structure may be restored to the size, location, and use that it had immediately before the damage or destruction occurred in accordance with § 62.23(7)(hc), Wis. Stats. In addition, no limits may be imposed on the costs of the repair, reconstruction, or improvement of said structure.