Sec. 10. (a) For purposes of section 7 of this chapter, an emergency when used with respect to repair or replacement is:
(1) a fire;
(2) a flood;
(3) a windstorm;
(4) a mechanical failure of any part of a structure; or
(5) an unforeseeable circumstance.
(b) For purposes of section 7 of this chapter, an emergency when used with respect to site acquisition is the unforeseeable availability of real property for purchase.