901.9.5.1 Additional requirements for providing smoke and carbon monoxide alarms in dwelling units during alterations involving removal of existing interior finishes.
BC § 901.9.5.1
Smoke and/or carbon monoxide alarms complying with the location, interconnection and power source requirements of this chapter shall be provided throughout a dwelling unit when alteration work results in the removal of existing and/or installation of new interior wall or ceiling finishes permitting the installation of concealed wiring for all the required alarms throughout the dwelling unit.













