01-22-1997 Council Agenda - Laserfiche WebLink

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WATERSHED NEIGHBORHOOD MEETING JANUARY 16, 1997 - 7:00 P.M. Those Present: 19 Residents present (See Sign -up Sheet from Watershed); Cliff Aichinger of Ramsey /Washington Watershed; Brad Lindemann of Barr Engineering; Paul Heuer of Bonestroo, Rosene & Anderlik & Associates, Scott Tangen and Joel Hanson of the City of Little Canada. Aichinger reviewed the background of the project. He reported that the Watershed's responsibility is for maintenance of the County ditch. It is an old agricultural ditch dating back to the 1920's. In the 1980's State Law gave the Watershed ownership of Ditch 7A, transferring it from the County. Aichinger reported that the current estimate for ditch improvements is $190,000 versus the initial estimate of $90,000 for cleaning. Lindemann explained the aspects of the ditch improvement project. *The ditch profile is very flat. It is proposed to install an 18" pipe from Windrow to Westwind. *Drainage will be diverted to Arcade Street along back lot lines between Windrow and Westwind via 24" pipe. Flow will tie into the City's storm sewer system. This will accommodate most 1 to 2 inch rain storms. *The ditch north of Windrow to the pond will be regraded. *South of Westwind ditch work will consist of cleaning and vegetation removal - larger trees will be protected. The Watershed will attempt to establish a uniform grade for the ditch. It is proposed that a portion of the area south of Westwind will be drained back (north) to the City's storm sewer which will tie into Arcade Street. *Approximately 250 feet of corrugated metal pipe located in some backyards will be replaced. *The ditch itself will need to remain for larger rain events because the new storm sewer will not be able to accommodate larger rain falls. *Lindemann indicated that after the improvements are made, the ditch will be dry within 1/2 to 1 1/2 days after a heavy rain event; much sooner for smaller or more normal occurrences. 1 Page 25