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CC 2008 11 24 CHANHASSEN CITY COUNCIL REGULAR MEETING NOVEMBER 24, 2008 Mayor Furlong called the meeting to order at 7:10 p.m. The meeting was opened with the Pledge to the Flag. COUNCIL MEMBERS PRESENT: Mayor Furlong, Councilman Litsey, Councilwoman Ernst, Councilwoman Tjornhom, and Councilman McDonald STAFF PRESENT: Todd Gerhardt, Kate Aanenson, Paul Oehme, Todd Hoffman, Greg Sticha, and Terry Jeffery PUBLIC PRESENT: Nicole Saylor Carly Gerads 1071 Barbara Court Erin Steiner 10173 Phaeton Drive, Eden Prairie Paige Polinsky 3110 Canyon Circle, Chaska Teresa Webber 2735 Ches Mar Farm Road Zach Kinzer 1838 Leavitt Woods Lane Carli Chadderdon 8900 Audubon Road Brian MacKay 7371 Applewood Circle, Victoria Erik Elton Charlie & Nicole McCulloch 235 Lakeview Avenue Thomas Rice 585 Sunny Shadows Jackal Jaredal Brady 3555 Frederick St. Hayley Fischer 4184 Hallgren Lane PUBLIC ANNOUNCEMENTS: INVITIATION TO TREE LIGHTING CEREMONY. Mayor Furlong: Thank you and welcome to everyone. Those joining us here in the council chambers, as well as those watching at home. We’re glad that you joined us. At this time I would ask if there are any modifications from members of the council to the agenda we distributed. Otherwise without objection we’ll proceed with the agenda as it was distributed. With that I’d like to make a opening public announcements relating to our tree lighting ceremony coming up at City Center Park. As the holiday season approaches I’m happy to invite everyone to join this wonderful city event. The City of Chanhassen, along with the local Chamber of Commerce and Visitor Bureau is proud to announce the 2008 tree lighting ceremony. The event th will be held on Saturday, December 6. At this time I invite all residents, their families, friends to join us at City Center Park and the plaza for this event. People of all ages are invited to participate. The event will be running from 5:00 until 6:00 p.m.. The activities include the official lighting of our City Center Park, refreshments, caroling, reindeer, a special visit from Santa and some of his helpers. The entire event is free. No registration is required so please th come and join us at City Center Park on the 6 at 5:00. City Council Meeting - November 24, 2008 CONSENT AGENDA: Councilman Litsey moved, Councilwoman Ernst seconded to approve the following consent agenda items pursuant to the City Manager’s recommendations: a. Approval of Minutes: -City Council Summary Minutes dated November 6, 2008 -City Council Work Session Minutes dated November 10, 2008 -City Council Verbatim and Summary Minutes dated November 10, 2008 Receive Commission Minutes: -Park and Recreation Commission Verbatim and Summary Minutes dated October 28, 2008 b. Approve Joint Fuel Purchase Agreement with MnDot. c. Approve Nominees for 2008 Environmental Excellence Awards. d. Approval of Assessment Service Agreement with Carver County. e. Approval of Findings of Fact for a 15 Foot Variance from the 75 Foot Shoreland Setback for the Conversion of an Existing Deck into a Porch, 7301 Laredo Drive, Richard & Eunice Peters. f. Accept Donation from Mount Olivet Rolling Acres, Voluntary Payment for City Services in Lieu of Taxes. g. Approve Payment for Chanhassen nature Preserve Trail Construction, Steiner Construction Services. h. Approve Purchase of Fire Department Grass Rig (2007 CIP). All voted in favor and the motion carried unanimously with a vote of 5 to 0. VISITOR PRESENTATIONS: None. LAW ENFORCEMENT/FIRE DEPARTMENT UPDATE. Mayor Furlong: I see Chief Geske is here which means another call out hasn’t occurred yet since the last few so we’ll take you quickly while we can. Good evening Chief. Chief Gregg Geske: Yeah, I did go check with Eden Prairie. They’re at our station and I told them if we did called out, I’d leave so I’ll finish up but. Since the report we did have an additional structure fire this last week, actually on Frontier Trail. Unfortunately we had two pets, or two dogs that didn’t make it through the fire. It was a small fire that was contained in the kitchen area with smoke damage to the rest of the house so we responded. The residents came home and there was smoke filled the house there. Tried to revive the pets but to no avail. And 2 City Council Meeting - November 24, 2008 as mentioned we are on the scene of a structure fire right now down in, at 7 and 41 at the strip mall. There seems to be a fire on the rough area that we’re working on right now so updating you on the fires. We have scheduled for next month some training with ice rescue. Of course this time of year with the ice forming, Eden Prairie had two dogs that were out. They were sent out to rescue those and neither of those two made it here over the weekend. But Chaska did go out for, and all I heard was there was a person and a dog in Lake Bavaria, and they were able to get both of them out so we’re watching the ice conditions and we do schedule training to brush up on our skills and get our equipment ready for ice rescue this time of year. With that, everything else is working along fine and don’t have a whole lot else to report. Mayor Furlong: Very good. Any questions for the Chief this evening? So the ice is still too thin is the bottom line? Chief Gregg Geske: Yeah. Yep, still too thin. Mayor Furlong: One would think everyone would know that. Chief Gregg Geske: We’d rather have them stay off, yeah I think the DNR says you want to get up to 4 inches. I doubt that any of the lakes around here have much more than 1 inch on there so. Todd Gerhardt: We need to educate our pets too. Chief Gregg Geske: Yeah, right. Mayor Furlong: Very good, thank you very much. Appreciate you coming this evening and for all the service. Councilman Litsey: Thanks Chief. Mayor Furlong: I don’t see Sergeant Anderley here or anyone else with the Carver County Sheriff’s Department. I’m assuming something came up. Chief Gregg Geske: He’s probably at my fire. Mayor Furlong: Oh he could be so unless there’s any, does anybody have specific questions that we could relay through Mr. Gerhardt with regard to the sheriff’s report this evening? Okay. If not then we’ll pick that up at the next time. He’ll be at a future meeting. UPDATE ON THE 2008 STORMWATER BEST MANAGEMENT PRACTICES. Terry Jeffery: Good evening Mr. Mayor, councilors. Appreciate your patience. This was to be before you at the last meeting but given time constraints, we were unable to get through it at that time. Before I get in I would like to, the intent of this is to talk about the capital improvement projects or the stormwater projects identified within our surface water management plan that were accomplished throughout the last year. I would like to express my gratitude. This is being the end of my first year here of service I thought, I really appreciated the opportunity here. I 3 City Council Meeting - November 24, 2008 think we’ve accomplished quite a few things and I look forward to continuing with that in the future and hopefully streamlining and improving the process. What you have before you is a map of the City of Chanhassen. Those items that are called out in red are projects that were initiated or completed during the 2008 year. Those projects that are in blue are projects that I hope to move forward with in 2009 year. There were 8 major projects that I’m going to address tonight. Three of them were improvements to existing storm sewer infrastructure. Three of them were new water quality improvement projects and two of them were mitigation for issues that resulted because of surface water drain off in the city. I think it’s always best whenever opportunities present itself to capitalize on existing projects so you’re not having redundancies. That you’re able to do things more efficiently, and that those that are affected by something that’s already going on, the residents don’t have to go through it over and over and over again. Laredo reconstruction project was one such thing. Actually after my second day here Mr. Oehme, City Engineer Oehme had asked me to a meeting looking at the Laredo project to talk about what we could do with this corridor. Given the development nature, the limited right-of- way, the topography issues that were there, as well as utility issues, we initially struck upon putting in 3 environmental manholes or structural treatment devices. Those red stars that are on the map. North is to the right on this. What is in gray is the Laredo project. The first environmental manhole structure was put in at Del Rio and Laredo. The second at Iroquois and Laredo and the last was put in at the northern end of the cul-de-sac. What environmental manholes are are really just small self contained ponds. Water comes in. Fills up to some elevation before it starts to continue to spill out through the downstream, and what it allows us to do is it allows the sediments to settle out suspension before going in the receiving water, in this case being Lotus Lake. They are good at removing the larger sediment sizes. They are limited in what they can do for nutrient removal because the nutrients tend to bond to the smaller particle sizes that you just don’t have the residents time to hold it. The second part of this project or the second project that was, that we were able to do on, because of Laredo was the Kerber Pond project. As we continue to look for additional areas for ponding, we looked at that area immediately north of the elementary school. We realized that the watershed that we could bring to that area really wasn’t sufficient to justify the expense for ponding in that area. So we eventually looked at, and this is again, now north is to your left. Laredo Drive is in the northeast corner of this picture. Right up in here. So what we did, we looked around the trail for a series of 3, you can call them what you want. Biofiltration swales. Rain gardens. And then one traditional national urban runoff program pond… The intent with the three biofiltration swales and 3 and 1, and 2 in the third cell, was to design them such that we don’t actually create permanent inundation. We wanted them all to drain within 48 hours and to have a depth of no greater than 18 inches. Unfortunately this area right here is actually higher than what was here so we had to bounce the water up to get it to go downhill so this pond we’ll actually achieve a depth of 2 ½ feet and will require 78 hours to drain. Or excuse me, 76 hours to drain but will still not be a permanently inundated feature. The next two will easily meet the rest of the design. So how that’s going to work is, so what we’re looking at is this area right up in here on the next drawing. In the lower right hand corner manhole 23, which is right here, was designed to be a split or a weir structure. So local events or any event the lower portion, the first inch or so of rainfall is diverted into the biofiltration swales. When the volume of water coming in gets more, it is actually divided out so that it goes in this parallel line which goes down to the pond at the bottom of the hill. This was to again avoid just having inundated features along that area and to allow us to landscape these and keep the aesthetics of the park that is there, passive recreation 4 City Council Meeting - November 24, 2008 park of… And I think we were able to meet this design. This is a picture of the ponded area down by Kerber Pond taken in August, and if you get down there now, actually the grass is fully established. We had an Eagle Scout group in there, well I guess 4 weeks back now to clear out buckthorn down in the area and we’re looking at the landscape of this area. This hillside. All of this is intended to be re-forested. This is the trail actually that you see here which goes along the south side of Kerber Pond. So we’ll be reforesting this whole area. We’ll put turf reinforcement mat on the trail and it will return to a grass trail that it currently, or that it was prior to this project taking place. These next pictures I’m going to show you are a little outdated. We’ve gotten in here and cleaned them out a little bit more since then. The picture on your left is standing in the second biofiltration pond looking north towards Kerber Pond. The picture on your right is just turn around and looking back towards Laredo Drive. If you look at this area right here, this originally was actually coming in at about 7% grade off of Laredo. It was getting pretty steep. In the, since these photos were taken we were able to come in here. Take this grade down, which is able to shift the whole trail over through that alignment. We now have it graveled in that area and discussions with park has assured me that they will be able to maintain it and plow it throughout the winter months. Unfortunately small utility issues within the area precluded us finishing and having this trail paved yet this fall. But there was an up side to it in that as we landscape it in the spring we won’t need to be running equipment down that trail resulting in damage to a new trail. The final part of the Laredo reconstruction project was replacement of a rusted out corrugated metal pipe which was the ultimate discharge for the entire Laredo. There were places where there was no bottom to the pipe. The joints coming into the manholes were deteriorated and how the pipe was set up was, there was one manhole and otherwise there was nothing to break up the energy as it went down to Lotus Lake. So we were able to replace the pipe in here. Put in a series, on the bottom of the screen it’s the vertical profile. A series of drop structures to take out the energy. We were able to restore the shoreline which was experiencing a fairly significant amount of erosion and moving forward it shouldn’t be causing us problems. Ravine 2 at Mandan Circle. It’s called Ravine 2 because the original Bluff Creek Natural Resources Management Plan refers to it as Ravine 2, but we are south and east of Bluff Creek Golf Course. This is Trunk Highway 101 right here. Great Plains Boulevard. The trail crossing is just off the picture here. This is Vogelsberg. And this was an opportunity where the property owner actually came to the Minnesota Department of Transportation and the City of Chanhassen. They knew that 101, a mill and overlay project was planned for this upcoming year. And so they asked MnDot and the City to look at what could be done in this area. MnDot, as part of their design, is going to restore this channel. The east branch of that, and the City will look at this channel. This year we were able to begin the work by the outfall that comes to the channel off of Mandan Circle. Take a quick look at it here. Was another corrugated metal pipe and although it’s relatively level right here, otherwise if you look at these side slopes, basically that, what’s off the picture behind it, and it just flowed down that hill with absolutely nothing to break up a 45 degree angle. Then had that 7 foot drop. So in-house we were able to design a solution at least for this area right here. And then we’ll continue next summer to go downstream with this. But what happened, what we did was, we put the manhole catch basin rather that was right here. Put a second manhole in and then directionally bored, a high density polyethylene pipe through there at a shallower angle so that we could come out and create with the channel, rather than have that big drop. When we continue on this project, we’ll be able to extend this pipe to that point where we come out basically at grade with the channel coming down. And then re-shape that channel and stabilize it. Wenk and Associates who is actually, Matt Theisen who works with Minnehaha 5 City Council Meeting - November 24, 2008 Creek Watershed District, has done a number of these projects. We’ll have a preliminary plan set for me tomorrow so that I can go meet with the property owners. Start to discuss his concerns and how we can move forward with this. This was one of, this is Longacres. This, I apologize for the quality of this reproduction. These dark areas, the reason they show up like this is, in the engineer plan, these were the wetland areas that were to be impacted as part of this and then the mitigation area’s down here. A part of it was the pond that went in right here, and there’s a fairly long history of this pond but what it really amounted to is, it was woefully inadequate for the volume that it was designed to have in that area. If you look at the white contours that show. These were the proposed as-builts for this pond. At the edge of water there was supposed to be an elevation of 982. What I’ve shown in red here is what actually was the elevation of 982 on this pond. So what originally we thought was just going to be a little clean- up project by the inlets and outlets, ended up being basically a rebuild of that pond. We were able to work with the Longacres Homeowners Association to get this capacity. Allow them to get the landscaping they wanted in the park area. We were able to stabilize these two channels. Re-stabilize the two outfalls. One is here. One is here. And actually increase volume and water quality treatment beyond what was originally in the as-built design so not only have we restored it to what it was intended to be. I think we’ve improved it to better than proposed conditions. And the last one, project I wanted to discuss is a project that began with my predecessor Ms. Haak, and it was a joint project between the Carver County Soil and Water Conservation District, the residents of the Foxford Road neighborhood and the City of Chanhassen. If you look at this area right here, this is actually flow in this spring. This aerial photo, and this is the project after construction. I won’t say after completion. But what was going on was all the volume, this was a volume issue. All the water was coming through this channel from the whole neighborhood and eroding out this channel. It was severely degraded. But rather than come in and just stabilize the channel but not deal with the upstream issues, we worked with the Carver SWCD as well as the neighborhood group to install 6 rain water gardens to get some volume reduction in this area. You can see 4 of them on this map. One here. One here. One here and one here. There’s another one more northerly and another one on the return side of Foxford Road. Once those were put in place, then we were able to come in this spring. Re-shape the channel. Put in erosion control blanket. We had to clear the trees in order to get sunlight to the bottom so we could re-establish vegetation in that channel and rip rap the bottom. I think this was a really good example of 3 different groups coming together to accomplish an overall project that’s going to improve the water quality of Lake Riley. And then just briefly I want to touch on 2009. Again in the last meeting Todd Hubmer was here with WSB and Associates to talk about the West Central Lotus Lake project. We are looking at putting together plans for Phase I of this project. Hope to have our neighborhood meeting actually on Monday of next week to get feedback from the residents. The Cimarron Homeowners Association, which is right in this area itself, east of Kerber and Powers, came to me a while back asking about, well asking about putting in low impact development features within their neighborhood because they were going to redo some landscaping anyway. I thought this would be great because it’s immediately tributary to this entire West Central Lotus Lake watershed that we had talked about, so we’ve been working with that group. …Vineyard, Minnehaha Creek Watershed District has indicated that they have funding available for channel stabilization. We’ve been working with all of the neighbors that are immediately adjacent to that creek to get the easement necessary to do the work…core draining issue. These people have been extremely patient. They’ve been waiting a couple years. There’s been some drainage issues in that area. We have a feasibility report done 6 City Council Meeting - November 24, 2008 studying where we think that water is coming from. We’re going to meet with those homeowners in the, hopefully before the holidays to discuss possible solutions we have. Again Ravine 2 stabilization. Complete that. Lotus Lake inlet. Another example where we have a large watershed coming through a very small channelized area. It’s affecting residents in that area and reducing water quality so we’ll be looking at what we can do there. And then finish off Kerber Pond so that it’s the park that everyone expects. That’s really all I have. If there are any questions, I’d be happy to address them at this time but again I want to thank all of you for listening to me and the opportunity to work with the City on these. Mayor Furlong: Very good, thank you. Appreciate your efforts as well over the last year. Any questions for Mr. Jeffery? Councilman Litsey: I had just a quick question on the Kerber Pond. On the slope there, what kind of foliage do you plan to put into that? It’s a pretty steep hill there. Just curious. What you had in mind. Terry Jeffery: On the slope coming down to the pond itself, that will all be reforested so we’ll look to recreate the maple-basswood complex that was there. As we get closer to the water level we’ll have to look at species that will be more tolerant of the wetter conditions so we’d look at your Dutch elm disease resistant elms. We look at your silver maples. Things of that nature. Councilman Litsey: Now on top where that berm is there, is that where the trail is coming across and continue then as it did before? Terry Jeffery: Correct. Right in this area. It will continue across as it did. We’ll look to reforest this area or reforest the other side, but put it down what’s called turf reinforcement mat, which is just kind of a woven, plastic mesh which allows grass seed to grow up but it won’t, it will handle the traffic, the pedestrian traffic without having erosion issues created in that area. Councilman Litsey: Good. Good work. Congratulations on your first year. Mayor Furlong: Any other questions? Mayor Furlong: Mayor I’d just like to make a couple of comments. Terry mentioned the Christmas Lake project and I know Lori had been working on that one for 5 plus years and to Terry’s credit he was able to meet with the neighborhoods down there and come to resolution on a project. I know it was a frustration for Lori to try to get something accomplished there and Terry was able to bring everybody together and put a nice plan together so I just wanted to recognize his efforts there so. Councilwoman Ernst: Good job. Mayor Furlong: Okay. Very good, thank you. Terry Jeffery: Thank you very much. 7 City Council Meeting - November 24, 2008 Mayor Furlong: That completes our items of new business this evening. Pretty light on the agenda. COUNCIL PRESENTATIONS: None. ADMINISTRATIVE PRESENTATIONS: Todd Gerhardt: Last week Mayor Furlong and myself attended the 276 Leaders Meeting. What that is is that all the cities, city managers and mayors get together and with Superintendent Dennis Peterson and talk about issues going on in the communities. Dennis puts a nice presentation usually about school district issues and he showed us all the expansions that are going on right now in the Minnetonka School District. I think they’re adding classrooms to almost every facility they have and did a big remodeling of Excelsior Elementary, so if you ever drive by there, that’s kind of changed dramatically with the new windows and additional classrooms. Get to hear a few things going on in the communities. They give us an update on each individual city’s budgets and everybody’s working hard on those and, but I think our numbers are kind of in line with the rest of the communities that we talked up there. Anything else? Mayor Furlong: Just about the award for Mr. Peterson. Todd Gerhardt: Yeah. Yep. Superintendent Peterson was named Superintendent of the Year in Minnesota and that automatically puts his name in the hat for National Superintendent of the Year. So I think there is a reception coming up here next week. I’ll make sure everybody gets an invitation to when that is and they were going to send out a notice and I haven’t seen it yet so. Having a little open house to recognize his award. That’s all I have. Mayor Furlong: Very good. Any questions for Mr. Gerhardt? No? Okay. Very good. Thank you. CORRESPONDENCE DISCUSSION. None. Councilwoman Ernst moved, Councilman McDonald seconded to adjourn the City Council meeting. All voted in favor and the motion carried unanimously with a vote of 5 to 0. The City Council meeting was adjourned at 7:30 p.m. Submitted by Todd Gerhardt City Manager Prepared by Nann Opheim 8