Except as otherwise provided in this subchapter, if overhead or side clearances between a track and any building, structure, or facility are less than the minimum prescribed in this Subchapter, but were created prior to the adoption of such provisions such minimum clearances shall be provided whenever such a building, structure, or facility is relocated or reconstructed. However, the Commission may grant specific requests for the future continuance of prior clearances at such reconstructed buildings, structures, or facilities, if application is made as provided in § 33.127(b) (relating to exemptions).
52 Pa. Code § 33.126