relative to alteration of terrain permits.

The context provided does not include the actual text or specific provisions of SB 109, only its procedural history (introduction, committee referrals, and hearings). Without details on what the bill proposes to change regarding "alteration of terrain permits," its key mechanisms, or who it directly affects, a substantive summary cannot be created. Legislative summaries require concrete policy language, which is absent here. For an accurate summary, the full bill text or detailed description would be needed.