Sec. 7. (a) This section does not apply to public work that:
(1) is considered routine maintenance or upkeep; or
(2) does not require a building permit issued by a city, town, or county.
(b) Public work performed or contracted for on a public building, the cost of which is more than one hundred thousand dollars ($100,000), may be undertaken by the board only in accordance with plans and specifications approved by an architect or engineer licensed under IC 25-4 or IC 25-31 if the scope of the public work requires a design release under IC 22-15-3.