§ 85-1. Approved smoke detectors required in one- and two-family dwellings.

A. 

One- and two-family dwellings occupied in whole or in part for residential purposes and not regulated by MGL c. 148, § 26A (sprinklers in high rise buildings) or MGL c. 148, § 26B (smoke detectors/fire alarms in residential buildings that are substantially renovated), shall be equipped with approved smoke detectors.

B. 

Owners of such buildings or structures shall install either an approved monitored battery-powered smoke detector or an approved primary-power smoke detector on each level of habitation and on the basement level; the head of the Fire Department shall allow the installation of approved, monitored battery-powered smoke detectors.

C. 

Such approved smoke detectors shall be installed in the following manner; an approved smoke detector shall be installed on the ceiling of each stairway leading to the floor above, near the base of but not within each stairway; and an approved smoke detector shall be installed outside each separate sleeping area.