September 17, 2025, Planning Board Special Meeting Transcript - WEHI

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 51 rock, you put this material in and then it creates a chemical reaction and ultimately breaks the rock. And there's, similarly there's hydro-splitters where you drill holes into the rock, you put this magnetizing devise in and split the rock. There's many different ways to break rock. THE PUBLIC: So can you quickly put the photo up of the diagram that you had earlier that showed the hill. So, so these elements are put into the ground to assist in the blasting, so there's less blasting in the excavation? THE WITNESS: In the excavation. If you zoom in please on this area down here I could probably illustrate. THE PUBLIC: And is this thing called the knob, somebody had mentioned the knob earlier? THE WITNESS: So for the sake of this discussion, we ultimately say that this material that, from here down to the base of this excavation, this is rock. Whether -- regardless of the excavation technique it would be a vertical excavation. They would drill a hole, it would be break the rock in vertical, in vertical sections using any one of these techniques. THE PUBLIC: Okay. So all that stuff goes in and it helps to