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<br />,8J <br /> <br />?~'~.-:I <br /> <br /> <br />Howard R, Green Company <br />CONSULTING ENGINEERS <br />January 16, 2001 <br />File: 812720J-0240 <br /> <br />Ms. Michele McPherson <br />Director of Planning <br />City of Elk River <br />13065 Orono Parkway <br />P.O. Box 490 <br />Elk River, MN 55330-0490 <br /> <br />RE: RIDGES OF RICE LAKE ADDITION <br /> <br />Dear Ms. McPherson: <br /> <br />As requested, we have reviewed the submittal package for the Ridges of Rice Lake Addition <br />proposed by Dynamics Design and Land Company. The submittal package consisted of a 12- <br />sheet plan set which contained a preliminary plat, preliminary utility plan, and preliminary road <br />grades. In addition, drainage calculations and a preliminary evaluation of the on-site sewage <br />treatment system were also submitted. All of the submittal documents were prepared by John <br />Oliver and Associates. <br /> <br />This development consists of approximately 275 acres north of 221 st Avenue and west of TH <br />169. The proposed development is being done under the City's Cluster Ordinance and contains <br />70 lots. Based on our review and comments received at the concept review meeting and a <br />meeting with the Developer, we offer the following comments: <br /> <br />1. SHEET 2 of 12 <br /> <br />. Both the Vemon Avenue and 225th Avenue cul-de-sacs exceed the City ordinance <br />for maximum length of cul-de-sacs. <br />. Outlot H, which lies along the eastern edge ot the Tipton Avenue right-ot-way, should <br />be platted as additional right-af-way rather than an outlot between the Tipton Avenue <br />right-of-way and the adjacent property. <br /> <br />2. SHEET 4 of 12 <br /> <br />. There are two stormwater sedimentation ponds shown behind Lot 8, Block 4, and <br />behind Lot 1, Block 5. Easements for the ponds along with easements for access <br />and maintenance equipment will need t6 be provided. <br />. A few of the lots show building pad elevations that are below the street centerline. <br />However, the typical home layout shows side-loaded, rear-placed garages. If this is <br />the case, there will be no problem with house pads below the street. If, in fact, the <br />homes are built with front-loaded garages, there could be a potential problem of <br />drainage flowing toward and into the garage areas. <br /> <br />O:\PROJ\812720J\0240ILlr 01-16-01 McPherson.doc <br />1326 Energy Park Drive. St. Paul, MN 55108 . 651/644-4389 fax 651/644-9446 toll free 888/368-4389 <br />