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R, Green Oompany <br /> SULTING ENGINEERS <br />January 9, 2001 <br />File: 809759J-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: TWIN LAKE TOWNHOMES 2ND ADDITION <br /> <br />Dear Ms. McPherson: <br /> <br />As requested, we have reviewed the submittal package prepared for Twin Lake Townhomes 2nd <br />Addition. The submittal package consisted of a preliminary plat, preliminary site and utility plan, <br />preliminary grading plan, and landscape plan. The submittal package was prepared by Pioneer <br />Engineering and dated December 22, 2000. Based on our review and a meeting with the Developer, <br />we would offer the following comments: <br /> <br />A. PRELIMINARY PLAT <br /> <br />The preliminary plat includes 23 townhome buildings. The plat includes the remnant of the <br />Trott Brook Farms Addition which falls west of County Road 13. <br /> <br />The County Road 13 right-of-way is relatively wide at the north end of the plat. We have <br />asked the Developers to research this with Sherburne County to determine if the County <br />Road 13 right-of-way is accurately shown on the preliminary plat. <br /> <br />B. PRELIMINARY SITE AND UTILITY PLAN <br /> <br />Sanitary sewer service for the 2nd Addition will generally come from the eastern edge of <br />the plat off of County Road 13 and be extended through the development. Watermain will <br />be looped from the 1st Addition through the 2nd Addition to the existing trunk watermain on <br />County Road 13. Hydrants and valve spaCing will be reviewed in detail at the time of final <br />plan submittal. Each unit of each townhome will require individual sanitary sewer and <br />water services if it is to be individually owned. The sanitary sewer and water utilities will be <br />considered public and will therefore require an easement for operation and maintenance. <br />Storm sewer within the development will be considered private because the streets are <br />pdvate. <br /> <br />C. PRELIMINARY GRADING PLAN <br /> <br />At this point in time, no storm drainage calculations have been .submitted. Prior to <br />preliminary plat approval by the City Council, storm drainage calculations will need to be <br /> <br />O:~PROJ~809759J~0240%tr 01-09-01 McPherson.doc <br /> <br />1326 Energy Park Drive · St. Paul, MN 55108 · 651/644-4389 fax 651/644-9446 toll free 888/368-4389 <br /> <br /> <br />