Each elevator or escalator shall be thoroughly inspected by a department elevator inspector at least once each eighteen months, except elevators located in private residences shall be inspected upon the request of the owner. More frequent inspections of any elevator or escalator shall be made if the condition thereof indicates that additional inspections are necessary or desirable.
Conn. Gen. Stat. § 29-195
(1949 Rev., S. 3770; P.A. 84-86, S. 1; P.A. 00-165, S. 3; P.A. 09-35, S. 1.)