04-12-22 Agenda Packet - Laserfiche WebLink

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remediation design is complete. Wouldn’t this alternative approach offer a win-win solution for all concerned? 5.1.2.1. Discussion: Mayor Grant: In the winter, consider drilling a good anchor for the lake gauge and install a gauge that is more robust. David S.: Re grit chambers: there will be grit chambers at the entrance to the new drain. Re alternative remediation that Renee has proposed: Construction plans have been reviewed, approved and contracted and construction will proceed as planned 5.2. Maintenance and improvement of Art Larsen Memorial Garden – 5.2.1. Background: The city planned to upgrade the sprinkler controllers in mid-May and then set them to water the garden. 5.2.2. Sprinkler Status and Plans - David Swearingen: The new irrigation controllers are installed and the sprinklers are watering the garden. 5.3. Add Grit Chambers to storm drains that empty into Karth Lake and do not have Grit Chambers now. Next Steps: Plan to identify them; Identify likely dates for adding Grit Chambers. 5.3.1. Background, David reported at the April meeting that: A Crew will inspect and clean the grit chambers in the spring. The City hired WSB to create GIS record of storm drains and grit chambers. Will include this on the list by mid to late summer. Pavement upgrade scheduled for 2024 for Amble and neighborhood. Automated rating of streets will be done soon. David will give updates at future meetings. 5.3.2. Grit Chamber Status Update - David Swearingen: The GIS record has not yet been completed. They did find that the Karth Lake Circle storm drain did not have a grit chamber so a grit chamber will be installed the next time that road is repaved. 6. New Business 6.1. Proposed changes in lake level control process - Renee Marino Renee proposes that we do not pump the lake all the way down to the level set by the DNR. This will allow for evaporation and help to prevent the extremely low lake levels that we have experienced when there is a draught. Renee asked that David S. determine the current pumping policy regarding pump start and stop levels. David said he would also determine the pump capacity. 6.2. Plan for removal of excess weeds and debris for 2021– Susan Johnson Susan said she would again invite donations for the removal of excess weeds and debris from the lake. Susan said she would contract with Holtz Landscaping again this year to do the weed removal. She will also have the Dive Guys remove the weeds from around her dock and shoreline to see whether their method is more effective. 6.3 Report of highlights of phone conversation Paul Dykstra, President of the Lake Johanna Improvement Society on 6/27/21. Gary was contacted by Paul Dykstra. Paul currently obtains funding for lake improvements through voluntary Lake Johanna Association dues. He is frustrated by the lack of participation and is considering the