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<br />-67- <br />where you generate a storm and route it through the computer to determine the <br />flows of various locations is precisely to assist you in understanding where <br />you can and cannot put the facilities, what size culverts, where the ditches <br />should be, where you should put rip-rap, those are the issues that are <br />addressed with an exercise like this. Now, while we have done this exercise <br />by ourselves, as I understand it, the Staff at Mine Land has looked at it and <br />I think it's been looked at by the folks at -- upstairs. <br />MR. MASSE Y: Let me just -- go ahead. <br />MR. NALEPASKA: Go ahead. <br />MR. MASSE Y: At the last hearing, there was evidence presented by a <br />member of the Water Conservation Board who concurred, as I understand it, with <br />John's representation of the flood plain for the Rito Se co indicated that he <br />felt that a couple of the tributaries of the side tributaries wh~~ch.were <br />associated with the west pit only, might have some flood plain implications. <br />My understanding is that -- over the past month we submitted additional <br />design for the -- those diversions to the Staff. My understanding is that the <br />Staff has fully resolved that issue with the Water Conservation Board and has <br />reached a similar conclusion. Perhaps, John Doerfer or Steve Renner could <br />address that conclusion from the Staff's perspec tive. <br />MR. RENNER: We have -- we are assured that the diversion ditches around <br />the west pit area are indeed capable of transmitting a 100-year 2'4-hour event <br />safely to the lower portions of that area. So, we do not have a concern with <br />that. <br />MR. DANIEL SON: What about the heap leach area, Steve? <br />MR. RENNER: The heap leach area is designed to have a berm facility <br />around it as well as the ditch that was mentioned previously to also transport <br />• and preclude run on and run off. <br />