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3) As we were able to observe during our inspection on Friday, August 15, 2003, the <br />amended permit boundary should not pose any additional threat to "possible" capture of <br />the pit by the Yampa River during a flood event. Since the 1950s, the existing north bank <br />of the Yampa has been well stabilized, improved, and vegetated.. During the last 50 <br />years, there have been several flood events where the water has overtopped the <br />riverbanks and flooded adjacent land. There is no evidence that the riverbank has been <br />breached and/or eroded through. <br />Our flood studies have identified the floodplain on the property. Should a flood event <br />occur, the most likely scenario would result in sheet flows toward the property, hence <br />sheet flows would likely fill any active pits, since the reclaimed pits will be groundwater <br />lakes, they would have little impact on them. <br />4) Please find attached a copy of our Spill Prevention, Control and Countermeasure <br />(SPCC) Plan for our Steamboat North facilities for your review, I trust that this SPCC <br />plan will provide you with the information that you need to complete your review. <br />Lafarge will have a specific plan in place for the River Valley Resource prior to initiation <br />of any mining activity. <br />5) Our 404 Permit Application is pending with the CORPS and is in the public notice <br />stage of the process. The total number of jurisdictional wetlands to be affected and/or <br />created and mitigated during reclamation are as follows: <br />a) 4.29 affected <br />b) 10.45 created (excluding 17.41 acres in settling ponds) ??? <br />6) I wanted to clarify one part of my letter to you dated August 14, 2003. For Point 1, in <br />the second paragraph I stated "Lafarge would be pleased to accept a condition in our <br />permit that stipulates that we must have this issue resolved prior to commencement of any <br />mining activities. " What I intended to say was that "Lafarge would be pleased to accept <br />a condition in our permit that stipulates that we must have this issue resolved prior to <br />commencement of any mining activities within 200 feet of the Suttle ditch. " Lafarge <br />would appreciate replacing the former language with this language and trusts that this <br />change has not caused any significant difficulties, <br />Lafazge trusts that our responses have addressed atl of [he concerns expressed in your August 13, <br />2003 letter. Should you have any questions, please do not hesitate to contact me at 303-657- <br />4336. <br />SincerelL`~'~~L: _ - `-- <br />Jl <br />John W. Rozelle <br />Land Specialist <br />Attachments: a) Spill Prevention, Control and Countermeasures (SPCC) Plan <br />CC: File: 815-430 <br />Steve Wood <br />Gary Tuttle <br />