5. A 9-1-1 emergency centre must(1) be situated in a building that, at the time of its installation, complies with the standards applicable to post-disaster buildings, according to the definition made applicable by Chapter I of the Construction Code (chapter B-1.1, r. 2);
(2) ensure that the building in which it is situated complies with those standards if it undergoes major alterations;
(3) be situated in a building equipped with a fire alarm and detection system, a heat detector, a smoke detector and a carbon monoxide detector and fire extinguishing equipment; and
(4) have a control device for the heating, ventilation and air conditioning systems that allows to shut the air intake.