6.2. & 6.3. SR 05-19-2003 - Laserfiche WebLink

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o ° Mr. Rohlf February 14, 2003 Page Two that if there is to be any gravel sales to others, that it is conditioned upon a MnDOT permit being granted for access to and from TH169, including any and all improvements to the highway that MnDOT requires. Finally, we would recommend that access for gravel mining sales be limited to the Elk River Bituminous access to TH169. The reason for this is that if MnDOT requires improvements to the highway, we feel they should be made at this location so that trucks hauling asphalt product from Elk River Bituminous can also utilize the improved access onto and off of TH169. It should be noted that MnDOT has designated TH169 as an Interregional Corridor (IRC), where the primary function of the highway is to facilitate the traffic'flow between regional trade centers with predictable travel speeds and a high emphasis on safety. The recently completed study of TH169 by MnDOT proposes long-term plans to convert TH169 to a freeway design standard. This, of course, would mean that there would be full access control and interchanges built at strategic locations along the route. Although these plans are likely sometime in the future before any implementation, we would recommend that a condition on the gravel mining CUP be that any access to and from TH169 be modified in the future to accommodate any IRC improvements either short term or long term. The applicant submittal information contained only limited detail regarding drainage, erosion control, and sedimentation. In our discussion on February 13 with the applicant and his consultant, it was agreed that the applicant would need an NPDES permit prior to any operation. This permit would require that a storm water pollution plan be prepared. In addition, we would propose a condition that no operation of the gravel mining take place until a drainage plan be submitted, reviewed and approved by City staff. We discussed with the applicant and his representatives that this drainage plan would include temporary sedimentation ponds for run-off prior to discharging to wetlands on the site or discharging off the site. We agreed with the applicant that he will widen and bituminous surface the access road to his site that is shared with tt~e'tWo businesses and one homeowner near TH169. The agreement was that all sections of the roadway, which are shared traffic between the gravel mining Op'eration and businesses or homes' in the area, would be.a minimum of 20 feet wide and be bituminous surfaced. The applicant needs to provide documentation that the easement over this area and/or permission from the other property owners provides him the right to make these improvements. Other issues that we discussed at the meeting with the applicant and his representatives I assume will be covered in great detail in your memo; these would include the following: · Active mine face will need to be fenced. · A water truck for dust control needs to be present at the site. The source of water would be from the Elk River Bituminous site. · Oak wilt restrictions need to be met with no cutting of trees between July 15 and April 15. Ltr-021403-Rohlf.doc Howard R, Green Company CONSULTING ENGINEERS