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~I~RING ~ -OSSO(I~AT~S <br />TRU?: UURTA <br />October 5, 2007 <br />File No. 120101 E-0240 <br />Honorable Chair and Planning Commission <br />City of Little Canada <br />515 Little Canada Road East <br />Little Canada, MN 55117-1633 <br />RE: Whispering Pines Development <br />City of Little Canada <br />Dear Planning Commission: <br />We have received plans and drainage calculations for the Whispering Pines Development. The <br />development is located to the North of Labore Road, between Valento Lane N and Ontario <br />Road N. The submittal documents were prepared by E.G. Rud & Sons, Inc, and Plowe <br />Engineering and dated September 25, 2007. Based upon our review, we have the following <br />comments: <br />Preliminary Grading Plan <br />1. Silt fence should be installed on the north, south and the southeastern portion of the <br />development. <br />2. A small swale is required between Lot 2 and Lot 3, on the west side of the development <br />to direct the stormwater along the lot line. The Swale should be similar to what is shown <br />between the other lots on the west side of the development. <br />3. The grading plan for the northwest corner of the development is incomplete. Proposed <br />contours should be shown for the two house pads located at Lots 5 and 6 and for the <br />infiltration area. <br />4. An emergency overflow area should be provided for the infiltration basin P1. <br />5. The minimum grass swale slope allowable is 1 %, the swales not meeting this <br />requirement should be redesigned. <br />Preliminary Utility Plan <br />1. Water and sanitary services to each lot should be identified with the plans. We would <br />recommend that the City require the developer to review the number of lots that could be <br />accommodated to the east of the proposed cul-de-sac and provide service stubs for <br />them at this time to eliminate future street impacts. <br />2. There appears to be a discrepancy between the slope noted on the plans for the pipe <br />segment between sanitary manholes 3 and 4 and what is calculated based on the <br />inverts provided. This should be reviewed and corrected as necessary. <br />1 <br />L:\PROJ\120101E-Whispering Pines\ltr-100507-PC.doc <br />