What is Slot Trenching? Post author By jhall Post date November 4, 2015 No Comments on What is Slot Trenching? Slot Trenching is the process of excavating narrow trenches to install pipes, cables, and other utilities underground. ← What is Potholing or Daylighting? → Can Hydro Excavation be used for debris removal? Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website