12-10-1990 Council Packet - Laserfiche WebLink

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i 3 7 ^ TO: Mayor and City Council > ' r FROM: Mark E. Bernhardson, City Administrator ’ ^ DATE: November 8, 1990 SUBJECT: Navarre Heights Drainage 'iijv l:i :'-n ■'7<V0F Q:^UQ Attachment: ISSUE - A. Navarre Heights Drainage Memo Dated 10/17/90 B. Map of Navarre Heights/Togo Area (To be submitted on 11/13/90) C. Sketch of Navarre Heights/Togo Road Area 1. Determine nature of drainage problem in Togo Road. 2. Determine if Navarre Heights drainage proposal has any impact on Togo situation. 3. Determine if Council wants to set the project public hearing for its November 26th agenda. INTRODUCTION - At the Council's October 22, 1990 meeting at a formal comments section on the Navarre Heights drainage the question was raised regarding what impact this project would have on Togo Road. To this time it was the staff’s understanding that drainage did not go down to the Togo Road area, but the Navarre Heights was tabled to determine further information on this subject. DISCUSSION - Drainage Issues on Togo Road - The issues for drainage in this sub-drainage basin include: - Drainage coming from the culvert under the railroad tracks from up by Navarre Heights - What impact the filling of a ditch and an improperly constructed tile line had on the south side of Togo Road - Determine the impact of the narrowing of the ditch on the north side of Togo Road to create a boat storage pad had on the drainage in the area While there is an old tile line on the south side of the railroad tracks going towards Togo Road, the Engineer is currently not able to locate an outlet and feels that only about 10% may go down to Togo. The City could look at pluging the tile line inlet if this is a contributing factor on Togo. The principle reason for ponding in the Togo Road area appears to be the filling in of a ditch and a poorly constructed tile line together with the fact that the lands in the area going into the lake drain rather