2. This Act applies:(1) to any building used or intended to be used to shelter or receive persons, animals or goods, inclusive of any materials, installations or equipment of such building;
(2) to facilities intended for use by the public;
(3) to the following installations independent of a building:(a) electrical installations;
(b) installations intended to use, store or distribute gas;
(c) pressure installations;
(d) plumbing installations;
(e) installations for protection against lightning;
(3.1) to petroleum equipment installations;
(4) to the vicinity of such buildings, facilities and installations;
(5) to any other civil engineering structure, but only for the purposes of Chapters IV and V.