One of the three is required: (1) Three years of experience is required employed as a contractor or construction supervisor for residential or non-residential buildings or structures regulated by the rules of the board or experience as specified in section 103.3.3.OR (2) as a skilled tradesman for work subject to inspection under a code adopted for buildings or structures regulated by this code or the OBC OR; (3) successful completion of a trainee program pursuant to section 103.3.9. (Formerly Housing Inspector) Under supervision of the Commissioner of the Division of Code Enforcement and the Bureau Manager - Building, makes inspections of One-, Two-, and Three-Family Dwellings during the course of construction for the purposes of ensuring compliance with laws, ordinances, rules, and regulations relating to the construction, alteration, movement, enlargement, replacement, repair, equipment, use and occupancy, location, maintenance, removal and demolition.