10 PCSR 03-23-1993 - Laserfiche WebLink

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I OAR - 1 7 - 9 :3 WED 9 : 1 3 M A I E R S T E W A R T & ASSOC . P _ 0 9 lei? / a0 1 CONSULTING ENGINEERS miMaier Stewart & Associates Inc. March 16, 1993 File: 230-164-11 Mr. Steve Rohlf Building and Zoning Administrator City of Elk River 720 Dodge Avenue NW Elk River, MN 55330 RE: MISSISSIPPI OAKS PRELIMINARY PLAT Dear Mr. Rohlf: As requested, we have reviewed the preliminary plat for the Mississippi Oaks development. Based on IIour review, we would offer the following comments: 1. The preliminary plat and grading plan were prepared by John Oliver and Associates, and were dated February 23, 1993. 2. The plat contains approximately 62 acres divided into 155 lots. Zoning of the area is primarily Rlb (single family residential) with portions of the property zoned Rld (single family residential) and wild and scenic. The development is shown divided into five phases. The first phase is in the northwest portion of the plat adjacent to the Heritage Landing development. 3. The grading plan shows several low points in rear lots which are proposed to be picked up with storm sewer. These potentially could prove to be maintenance problems in the future. A better alternative would be to revise the grading plan to get these areas to drain to the street. 4. There is a low point shown on Riverview Drive (approximately station 7+50) which is not shown to be picked up by storm sewer. A revision to the proposed storm sewer system to service this area is required. 5. Sherburne County will require the dedication of an additional 17 feet of right-of-way on CSAH 30 (Mississippi Road). Also, two of the three proposed internal streets intersecting with CSAH 30 (Fresno and Concord) are relatively steep. The grading plan should be revised to include a • less steep "landing" arca at these intersections. 6. The flood plain should be clearly delineated on the preliminary plat. 7. All storm sewer should be discharged to a sedimentation pond prior to outletting to the Mississippi River. The developer has previously indicated a desire to cooperate with the Heritage Landing developers to create a joint sedimentation pond serving both developments.