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05/13/1997 - Advisory Parks & Recreation Commission AGENDA ADVISORY PARKS COMMISSION EAGAN, MINNESOTA Tuesday, May 13, 1997 7:00 PM Eagan Municipal Center City Council Chambers A. 6:00 Park Tour - Highview, Country Home, Rahn, and Lexington Park B. 7:00 PM Regular Meeting C. Call to Order and Pledge of Allegiance 7:02 pm D. Approval of Agenda 7:03 pm E. Approval of Minutes of Regular Meeting of April 14, 1997 7:04 pm F. Visitors to be Heard (1) Citizen Lake Monitoring Program - Volunteer Recognition 7:05 pm G. Department Happenings Pages 3-4 7:15 pm H. Consent Agenda 7:25 pm (1) Rathman Acres - Gregory & Valerie Rathman Pages 5-10 (2) Damone Group, LLC - Preliminary Planned Development Pages 11-16 (3) Lexington Commerce Center - Opus Corp. Pages 17-26 H. Development Proposals (1) Oakbrooke - Pulte Homes of MN Corp. Pages 27-42 7:30 pm 1. Old Business (1) Springbrook Corporation - Murphy Farm Pages 43-44 8:00pm (2) Eagadale Corp. Center No. 2 - Maplewood Acres, Inc. Pages 45-46 8:10pm (3) Lee Anderson Property Pages 47-50 8:20pm J. New Business (1) Lillian McCarthy House Pages 51-56 8:30pm K. Parks Development Update 8:45pm L. Water Resources Update 8:55 pm M. Other Business and Reports (1) Subcommittee Reports 9:05 pm (2) Community Center Tour 9:10 pm (3) Set Workshop Meeting - CIP 9:15 pm (4) Slater Road Trail Meeting 9:20 pm N. Round Table 9:25pm 0. Adjournment 9:30pm The City of Eagan is committed to the policy that all persons have equal access to its programs, services, activities, facilities and employment without regard to race, color, creed, religion, national origin, sex, disability, age, marital status, sexual orientation, or status with regard to public assistance. Auxiliary aids for disabled persons wishing to participate are available upon request at least 96 hours in advance of the events. If a notice of less than 96 hours is received, the City will attempt to provide the aids. ADVISORY PARKS COMMISSION 1997 MEETING SCHEDULE NAME Feb Mar April May June July Aug Sept Oct Nov Dec Jan 24 17 14 15 16 14 18 15 20 17 15 15 Terry Davis x X X Jerry Farlee x x x N.Mark FIRM Appointed Ma 1997 Barbara Johnson x 0* X Steven Knutson Alternate Appointed Ma 1997 Guy Kohlnhofer x X 0 George Kubik x X X Lee Markell x X X Da le Petersen x X X John Rudol h x X X Michael Vincent x X X Recreation Sub-Committee Natural Resources Sub-Committee Land Acquisition Sub-Committee John Rudolph Daryle Peterson Michael Vincent George Kubik Tim Callister Lee Markel) Guy Kohinhofer Terry Davis Jerry Farlee Barbara Johnson UPCOMING MEETINGS: Holz Farm Task Force 5:00 pm....Mar. 17.....Joint Council/APRNRC Meeting AFA Mar -3~ in., ....June 21 Community Center Tour OPEN ISSUES 1. Tour of Community Centers In other cities 2. Commission Review Workshop ADVISORY PARKS COMMISSION 1997 MEMBERS -NAME AND ADDRESS CODE TERM START TELEPHONE TERM BOOK E*kE" S TERRY DAVIS 1997 452-2635 (H) 4895 Safari Pass (3yr-1997) 310-8941 (W) 1/2000 Eagan, MN 55122-2690 452-2152 (Home fasx JERRY FARLEE 1997 3694 Wescott Hills Drive (Replaced Randall 454-1927 (H) 1/99 Aherns Term 3/97) Eagan,MN 55123 220-8855 (W) N. MARK FILIPI May, 1997 687-9866 (H) 1/98 836 Overlook Place (Replaced Tim Callister's 229-2725 (W) term) Eagan, MN 55123 BARBARA JOHNSON 1997 452-2609 (H) 1/98 4535 Oak Chase Road (replaced Stephen Thompson's term) Eagan, MN 55123 STEVEN KNUTSON Alternate May 1997 688-0111 (H) 1/98 4183 Prairie Ridge Road (Replaced Jerry Farlee as 851-7161 (W) Alternate) Eagan, MN 55123 GUY KOHLNHOFER 1996 688-6757 (H) 1/2000 4606 Manor Drive (3 yr. 1997) 942-3052 (W) Eagan, MN 55123 GEORGE KUBIK 1993 452-3887 (H) 1/99 3053 Pine Ridge Drive (3 yr. 1996) 725-3516 (W) Eagan, MN 55121 LEE MARKELL 1990 456-0749 (H) 1/20M 895 Park Knoll Drive (3 yr. 1994) 296-4781 (W) Eagan, MN 55123 (3 yr. 1997) 297-1157 (Fax) DARYLE PETERSEN 1996 681-0170 (H) 1/98 4126 Lantern Lane (replaced Tom 572-5155 (W) Walkington s term) Eagan, MN 55123 JOHN RUDOLPH 1993 454-8761 (H) 1/98 1644 Norwood Court (3 yr - 1995) 707-2402 (Fax) Eagan, MN 55122 707-2526 (voicemail) MICHAEL VINCENT 1994 686-9017 (H) 1/99 3786 Windtree Drive (3 yr. - 1996) 924-9747 (W) Eagan, MN 55123 905-0382 (Fax) 5/8/98 Subject to approval MINUTES OF REGULAR MEETING OF ADVISORY PARKS COMMISSION EAGAN, MINNESOTA APRIL 14, 1997 A regular meeting of the Advisory Parks Commission was called to order at 7:00 p.m. on April 4, 1997 with the following Commission Members present: Terry Davis, Michael Vincent, Lee Markell, John Rudolph, Daryle Petersen, George Kubik, Barbara Johnson and Jerry Farlee. Commission Member Guy Kohinhofer was not present. Staff present included Ken Vraa, Director of Parks and Recreation; Dorothy Peterson, Superintendent of Recreation; Paul Olson, Parks Superintendent; C.J. Lilly, Parks Planner/Landscape Architect; Rich Brasch, Water Resources Coordinator; Gregg Hove, Forestry Supervisor; Jon Oyanagi, Recreation Supervisor and Cherryl Mesko, Secretary AGENDA Director Vraa noted that the DNR Update under Other Business and Reports had been postponed. He also added items 7) Community Center Tour and 8) Dakota County Invitation under Other Business and Reports. Michael Vincent moved, John Rudolph seconded with all members voting in favor to accept the agenda as amended. MINUTES OF REGULAR MEETING OF MARCH 17, 1997 George Kubik moved, Michael Vincent seconded with all members voting in favor to accept the minutes of the regular meeting of March 17, 1997 as presented. VISITORS TO BE HEARD RON RASMUSSEN, PRESIDENT, EAA Ron Rasmussen was present to provide the Commission with a general overview of the Eagan Athletic Association. He noted that the organization was run by a group of very dedicated volunteers who provide sporting opportunities for youth who live in Eagan. They aspire to provide a positive experience for all the youth that participate in sports by providing high quality equipment, excellent facilities, improved training of coaches and officials, parent participation in a code of ethical behavior and attempting to balance church and youth athletic activities. Ron noted that the excellent facilities are a direct result of the care the Parks and Recreation Department provides their users. Some of the concerns facing the EAA are the growing need for equipment storage. They are looking to expand storage to approximately 4600 sq. ft for equipment storage and are also considering adding a room to accommodate meetings. They would like to see another cooperative effort with the City similar to what occurred with the current storage facility when the Association paid $15,000 for materials and the City completed the construction. Another concern for EAA is the addition of the Eastview Athletic Association and the potential for field requests from the new association. Although this association serves only a small part of Eagan that will be attending Eastview High School, it is likely they will be asking the City to allocate fields for their association. EAA feels that there may not be enough fields for this expanded use and Ron emphasized that they offer sports opportunities to all Eagan residents regardless of their school affiliation. This is different from any other athletic association since they limit their participation to specific high school boundaries or school districts. Mr. Rasmusson concluded by reviewing the participation numbers for the various sports which showed softball and baseball leveling off in 1997; in-house soccer doubling from 1995 to 1997 and track growing from 840 in 1995 to 1270 in 1997. Ron also added that there are well over 1,000 adult volunteers who make these opportunities possible for Eagan's youth. Ron also noted how lucky EAA is to have such a good working relationship with the City of Eagan. Advisory Parks Commission Minutes of April 14, 1997 Meeting Page 2 DEPARTMENT HAPPENINGS TREE CITY AWARD Forestry Supervisor Hove noted that on March 27 Mayor Egan received the Tree City Award for the City of Eagan adding that this is the City's 10th year as a Tree City USA recipient. Hove then shared the award with the Commission noting that the flag will be flown at the Maintenance Facility and signs will be posted at several entrances to the City. Other Happenings highlighted by Director Vraa included the tree and gardening seminars, annual tree sale scheduled for April 26, Arbor Day celebration scheduled for May 3 at Blackhawk Park, 4-Your Parks clean-up, 249 adult slo-pitch softball teams registered for the summer season, $865 raised for Friends of the Farm by Jensen's Supper Club, Earth Day Celebration on April 20, and evaluation of street sweeping for environmental purposes. CONSENT AGENDA Michael Vincent moved, John Rudolph seconded with all members voting in favor to make the following recommendations to the City Council: 1. UPS 2nd Addition. This development shall be subject to a cash parks dedication and a cash trails dedication. This development shall discharge all runoff from the development to existing Pond GP- 5, and no outlet shall be installed in Pond GP-5 so that runoff is contained entirely on site. 2. Tesseract School. This development shall be responsible for a cash parks dedication for the additional acreage acquired for the expansion of Tesseract School and shall be responsible for a cash trails dedication. The Tree Preservation Plan shall be approved as proposed with the following conditions: a) at least two Category A trees (4" dbh) shall be transplanted on site as mitigation for excessive tree removal. Water quality mitigation for this development shall be met through on-site ponding. 3. Galaxie Cliff Plaza Third Addition - Wensmann Homes. This development shall be subject to a cash parks dedication and a cash trails dedication. There is no significant vegetation on this site and the water quality mitigation requirements shall be met through payment of a cash dedication. DEVELOPMENT AGENDA SPRINGBROOK CORPORATION - MURPHY FARM Director Vraa introduced this item stating that Springbrook Corporation has requested a Rezoning and Preliminary Subdivision on 22 acres located at the northwest corner of the intersection of Deerwood Drive and Murphy Parkway. This is the site of the Leo Murphy farm. The proposed preliminary subdivision consists of 38 lots for single family development with access to be provided by a new road off Murphy Parkway and a connection to Davenport Avenue to the west. Supervisor Hove narrated a video of the site while reviewing the tree preservation issues. He noted that the tree inventory indicated there are 213,445 sq. ft of significant woodlands on this site comprised by two separate woodlands. One of the woodlands in the southeastern portion of the site will be removed during site development. The second, located in the northeast part of the site, adjacent to the Blackhawk Park entrance road, will be preserved throughout site development. The allowable removal for this type of development is set for 40% and this proposal will result in 40.8% removal of the significant vegetation. This mitigation calculates to three Category B trees (2 1/2" diameter deciduous trees or 6 foot coniferous Advisory Parks Commission Minutes of April 14, 1997 Meeting Page 3 trees). Hove added that mitigation for the removal of significant vegetation in excess of allowable limits would be accomplished through the installation of plant material as indicated on the submitted Preliminary Landscape Plan. Hove also noted that the grading operation in the area of the proposed Donegal Way encroaches approximately 120 feet into Blackhawk Park. This request is being made in order to have a finished product that will result in a more "natural landform" versus having to use sharp grade changes and the installation of retaining walls at the edge of park property. Gregg reviewed how the grading and restoration would occur were it allowed. An additional requirement staff is proposing is a conservation easement behind Lots 14 through 19 of Block 2 to serve as a soft buffer between the backs of the residential units on these lots and Blackhawk Park. The created conservation easement should state that no removal of vegetation (overstory and understory) can take place within conservation easement areas. Staff also recommended that the submitted landscape plan be revised to shift a portion of the proposed screen planting stock to the area behind Lots 12 through 19 of Block 2 and to change the boulevard planting locations to a more natural, clustered pattern. Water Resources Coordinator Brasch stated that this development will generate runoff that discharges to two different major drainage basins. The north half will eventually drain into Blackhawk Lake and the southern half will eventually reach Langhoven Pond in Woodhaven Park. Wet ponds have been incorporated into the development to treat runoff adequately before discharge off-site. Regarding wetlands, Brasch noted that one potential jurisdictional wetland has been identified in the far northeastern corner of the site adjacent to the Blackhawk Park entrance road. This area will need to be investigated in the field later this spring to determine its jurisdictional status. The current grading plans shows no grading in this area. Director Vraa reviewed parks and trails dedication for this development noting that this is a proposal to develop approximately 22 acres of the Murphy property. A park dedication of 2.85 acres of land flanking the entrance road to Blackhawk Park is being proposed with a park dedication credit of 0.7 acres to be granted for a portion of land used for the park road. The total dedication of 3.55 acres satisfies the dedication requirements for the 22 acre site and the remaining 13.5 acres not proposed for development at this time. This development would also be responsible for a cash trails dedication. Howard Kyllo, representing the developer, stated that they agree with staff's recommendations as outlined. They request that the park land dedication as proposed cover not only the property being developed (22 acres) but the remaining 13.5 acres yet to be developed. The developer is also looking for direction from the Commission regarding a path through the development. They feel that the location between Lots 13 and 14 would be the best option, however are concerned if this path would dump into the park at a high elevation and then not continue to the other park amenities. Commission Member Markell opined that it is important to link residential areas to parks whenever possible and thought a trail would be doable. Member Petersen agreed but had a preference to providing access to the park with a trail. Member Markell expressed concern for the possibility of having the view from Blackhawk Park obstructed by homes that will appear on the hilltop. He asked if there was a way to protect that view by providing an even larger buffer and conservation easement. Member Rudolph asked who was responsible for enforcing a conservation easement. Director Vraa stated the City of Eagan would both sign and enforce it. Member Vincent asked if the Advisory Commission would have the opportunity to review the next phase of this development even though the parks dedication will have been completed. Director Vraa stated that the next phase would be brought back to the Commission for review. Vincent added that he did not Advisory Parks Commission Minutes of April 14, 1997 Meeting Page 4 want to see future development so close to the entrance road of Blackhawk Park. Member Davis asked if a conservation easement would be applicable when the next phase is developed. Director Vraa stated that the Commission could make that recommendation if they felt it was necessary. George Kubik moved and Terry Davis seconded a motion to recommend that the Springbrook Corporation proposal for the Murphy Farm be approved as proposed by staff. Member Petersen asked if the recommendation could include the inclusion of a trail. Members Markell and Vincent agreed. Member Markell also asked that the recommendation include looking at the viewshed from the park and that some consideration be given to acquiring some of the lots on top of the hill so that the view from the park would not be impacted. Director Vraa asked if the Commission was considering a trail through this development and if so, where would it be located. Mr. Kyllo added that in looking at the development the most logical location appears to be between Lots 13 and 14. Vraa also noted that this path would bring people into an open grassy area of the park. Member Markell reiterated his concern for the obstruction of view from Blackhawk Park and asked the Commission to consider acquiring 2 or 3 lots on the hilltop to preserve that view. He also asked that this item be referred to the Acquisition/Development Subcommittee for further review and recommendation. Member Davis offered an amendment to the motion to have the developer and staff work to prepare options for a trail location that would lead to the park but that there is no plan to tie the trail into the park beyond that point at this time. Member Kubik expressed concern for placing a "skyline" trail behind homes because of potential maintenance problems. Director Vraa stated that a soft surface trail would not be maintenance intensive and would probably work the best in this location. Member Kubik expressed the need to have the surrounding neighborhood advised of this potential trail. Member Davis opined that it is necessary to have a trail from this development to the park but that there was no need to plan the trail at this time; just the access. Member Markell and Vincent felt that the trail needed to be brought to a destination and should be planned for up front. Member Davis asked if a reasonable trail could be done in this location since the neighborhood should be able to access the park easily. Director Vraa stated that some plan could be devised to provide a soft surface trail which could possibly take residents down the steep hill to the pavilion and playground area. The motion on the floor was called. Those voting Aye included George Kubik, Terry Davis, John Rudolph and Barbara Johnson. Those voting Nay included Jerry Farlee, Lee Markell, Michael Vincent and Daryl Peterson. The motion failed. Following brief discussion, Lee Markell moved and Michael Vincent seconded a motion to send this issue to the Acquisition/Development Subcommittee for further review. The subcommittee's review is to include looking at the potential for a trail to bring residents from this development into Blackhawk Park and also to review the feasibility of acquiring lots on the top of the hill so that the view from Blackhawk Park is less impacted. Those voting Aye included Jerry Farlee, Michael Vincent, Lee Markell, John Rudolph, Daryl Petersen and Barbara Johnson. Those voting Nay included George Kubik and Terry Davis. The motion passed. EAGANDALE CORPORATE CENTER NO. 2 - MAPLEWOOD ACRES, INC. Director Vraa noted that Maplewood Acres is requesting approval of a Preliminary Subdivision consisting of 12 lots on approximately 112 acres located east of Lexington Avenue and north of Yankee Doodle Road. Due to delays in bringing the Final Subdivision application forward, Dart requested an Advisory Parks Commission Minutes of April 14, 1997 Meeting Page 5 extension of the preliminary subdivision approval. The Council approved a one year preliminary subdivision extension for the northerly 120 acres of the 200 acre site in June, 1996. There is no specific development proposal associated with this subdivision request, Vraa concluded. Coordinator Brasch noted that the Commission reviewed this item in April, 1995. There are no changes in the storm water management configuration for that portion of the site within the LeMay Lake watershed, however, the developer has requested that two pre-treatment basins in the southeastern portion of the site be dropped or reduced in size. A re-evaluation of the need for the two planned detention areas indicates the same standard could be achieved by reducing the area and volume of the detention basins and excavating portions of the small (less than 1 acre) wetlands into which they discharge. As a point of clarification, Brasch noted that this wouldn't decrease the overall amount of wetlands on site. Supervisor Hove noted that during the initial development phase 147 significant trees (12.7%) were removed, thus no mitigation was required. Hove then noted that originally there were 1,142 significant trees on site. With the removal of 147 during Phase I site development and the proposed 433 to be removed during Phase 11 development the total estimated removal is 580 trees, or 50.3% of the total existing significant trees. Allowable removal for this type of development is set at 47.5% (548 trees) which calculates to approximately 64 Category B trees for mitigation. Hove concluded that staff will coordinate with the applicant as development proceeds to ensure that all tree preservation obligations are met. Member Kubik asked why the Commission is looking at specific tree inventory and mitigation when it is unknown what the development will be. Member Davis concurred adding that it is very difficult to make a decision on tree removal when there is no indication as to what is being proposed for the building sites. Director Vraa stated that when the Commission reviewed this item as Northwestern Mutual property there was a layout shown with buildings. The current developer wanted to prepare the site for development rather than custom grading specific lots not knowing who the owner would be or what their needs may be. Member Petersen asked if the preliminary plat was approved would this come back to the Commission for review each time a lot was to be developed. Director Vraa said that is not the case. Member Vincent opined that these lots should be custom graded once a user is identified so that trees can be preserved on a lot by lot basis. A representative of Dart commented that this is a large industrial development with large building pads and parking lots. They do have buyers for some of the lots and are trying to move forward as effectively as possible to meet everyone's needs. The tree preservation plan identified for this site creates a worse case scenario for tree removal. This way, as each lot is graded to meet the needs of the owner, tree removal can be reviewed. The intent is that there will be an overall tree removal loss calculated for the entire site which can be spread over the multiple sites being graded. Some lots may have less tree removal than required and some may have slightly more. Member Davis reiterated his concern for being asked to make a decision on tree removal for a site this large not knowing what is being proposed for development other than "industrial use and parking lots". Several Commission Members shared Davis' concerns for not knowing how this entire site will be developed and being asked to make a recommendation. Member Kubik expressed concern for not knowing how much impervious surface there would be since there weren't site plans to react to. Lee Markell moved and Michael Vincent seconded a motion to refer this item to the Natural Resources Subcommittee to further review the tree preservation and wetland issues. Member Davis opined that with further discussion he felt this issue could be resolved and didn't want to see the process drag out longer than necessary for the developer. To clarify a question, Director Vraa stated the developer is trying to balance the earthwork over the entire site which would be more cost effective for them. Advisory Parks Commission Minutes of April 14, 1997 Meeting Page 6 The motion on the floor was called. Those voting Aye included Jerry Farlee, Barbara Johnson, Lee Markell, Daryle Petersen, John Rudolph, and Michael Vincent. Terry Davis voted Nay and George Kubik abstained. The motion passed. OLD BUSINESS COMMUNITY PARK SIGNS Director Vraa explained that the Commission reviewed this issue at their March 17 meeting and they directed staff to research other materials for sign construction beyond redwood. The specific request was to determine if another material could be more cost effective, durable and aesthetically pleasing in appearance. The options of redwood, western red cedar and southern yellow pine were reviewed. Member Farlee asked if the Blackhawk Park sign was made of redwood. Planner Lilly responded that it was. Farlee then opined that the City should be willing to spend the dollars necessary to create an "entrance" to its parks through their signs. Members Kubik, Markell, Vincent and Petersen all agreed they did not have an objection to using redwood for park signage. Member Davis stated that his concern for using redwood was that the cutting of a limited resource seems to be contrary to the position the Commission takes in preserving environmental elements. Member Davis moved to remove the option of redwood for construction of park signs. There was no second to the motion. Daryle Petersen moved and Jerry Farlee seconded a motion to proceed with fabrication of double sided community park signs at Thomas Lake Park and Trapp Farm Park constructed out of redwood. Those voting Aye included Jerry Farlee, Barbara Johnson, George Kubik, Lee Markell, Daryle Petersen, and Michael Vincent. Those voting Nay included Terry Davis and John Rudolph. The motion passed. NEW BUSINESS There were no items under New Business for the Commission to review. PARKS DEVELOPMENT UPDATE There were no items under Parks Development Update for the Commission to review. WATER RESOURCES UPDATE FERTILIZER ORDINANCE UPDATE Director Vraa explained that the City Council voted to approve the Fertilizer Ordinance on a 3/2 vote. Currently three licenses have been issued and two are pending. Advisory Parks Commission Minutes of April 14, 1997 Meeting Page 7 OTHER BUSINESS AND REPORTS SUBCOMMITTEE REPORTS Member Rudolph noted that the Recreation Subcommittee has been made aware that Councilmember Masin is looking for feedback from Eagan youth relative to activities and options available to teens in the community. A meeting with teens will be held on May 4 to solicit further feedback from them on programming and facility ideas. Member Davis noted that the Acquisition/Development Subcommittee is beginning the process to evaluate criteria for CIP review. The full commission will be reviewing the process once it is finalized. HOLZ FARM UPDATE Supervisor Oyanagi provided an update of the Holz Farm and the various levels of work being completed at this site. He noted that $845 was donated to Friends of the Farm by Jensen's Supper Club and $4,000 was recently donated by the Knights of Columbus. Programming is being planned for several events throughout the year along with restoration/renovation projects planned to be completed by volunteers. Oyanagi also noted that a vintage 1940 Farmall tractor had been donated to the farm. Some of the upcoming events planned are flower drying and pressing, spring festival on May 18, a day camp in August and an Old Time Festival on July 16. Interest in the farm continues to grow, Oyanagi concluded. SET WORKSHOP MEETING TO REVIEW CIP The workshop for CIP review was scheduled for March 29 at 5:00 p.m. ARBOR DAY POSTER JUDGING The Arbor Day poster judging was scheduled to immediately follow the regular meeting. SCHEDULE SUMMER PARK TOURS It was the consensus of the Commission to return to park tours prior to regularly scheduled meetings beginning with the May meeting. The tours will begin at 6:00 p.m. with the regularly scheduled meeting beginning at 7:00 p.m. COMMUNITY CENTER TOURS Saturday dates identified for community center tours were May 31, June 14 and June 21. It was the consensus of the Commission that June 21 was the preferred date to schedule a tour. DAKOTA COUNTY INVITATION Director Vraa reminded Commission members of a May 7 meeting with Dakota County. This is an annual meeting that the Commission has been invited to to allow for an exchange of ideas between the two agencies. Advisory Parks Commission Minutes of April 14, 1997 Meeting Page 8 ROUND TABLE There were no items under Round Table for Commission discussion. ADJOURNMENT With no further business to conduct, John Rudolph moved, Michael Vincent seconded with all members voting in favor to adjourn the meeting. The meeting was adjourned at 10:20 p.m. Secretary Date _ city of eagan MEMO TO: ADVISORY PARKS COMMISSION FROM: KEN VRAA, DIRECTOR OF PARKS AND RECREATION DATE: MAY 6, 1997 RE: MAY 13 COMMISSION MEETING dust a reminder that this month's Commission meeting was moved to Tuesday, May 13. We will begin the summer park tour season with a visit to Highview, Country Home and to Rahn Park. The purpose will be to take a quick look at aging playground facilities and the serious problem with Rahn tennis courts. The tour group will assemble on the east side of City Hall and depart at 6:00 Dm. The regular meeting will begin at 7:00 in the Council Chambers. This will be the first meeting for two new Commission Members recently appointed by the City Council. Please join us in welcoming N. Mark Filipi who will be completing Tim Callister's term and Steven Knutson who will be the new alternate. It will be great to have them on board. After the approval of the agenda and minutes, Water Resources Coordinator Rich Brasch will recognize volunteers who have been involved in the Citizen Lake Monitoring Program. There are three items on the Consent Agenda and if there are no questions or action to remove an item, a single motion to approve would be in order. Only one issue appears on the Development Agenda. This item is a request from Pulte homes for the property referred to as the Beiter site. This development is for twin homes, which meets the comprehensive guide plan of 0-6 units per acre. Commission Members may recall that they previously requested a cash parks and trails dedication, recognizing the amount of open space that was being preserved by the Homeowners Association for this development. Much of this open space is left undisturbed with this proposal, but property lines are extended through the area, meaning that ownership of the open space will be with the individual property owners. There are three items under Old Business. T he first two items are returning as a result of having been referred to sub-committees for additional review. Staff has put together a cover memo regarding the sub-committees reviews. Members who were in attendance may have more to add. Theses two items will require action in order for the Commission's recommendations to be carried to the City Council meeting for May 19. The third item concerns the Lee Anderson parcel. A memo has been prepared which Identifies some of the basic issues to be reviewed. Because of the timing of the grant, which a portion of the funding has been proposed to come from to acquire the property, it will be necessary for the Commission to make a recommendation on this issue. r Advisory Parks Commission May 13, 1997 Page 2 The single item under New Business is the disposition of the Lillian MaCarthy house located in Patrick Eagan Park. The house is in fair condition. Renting It out for an Interim use may require some capitol Investment in order to make the home more livable and attractive to rent. If there is an expectation that the house has no future use as a public facility, it may be questionable If funds should be expended. On the other hand, If there is an identified use for the home, dollars spent to keep the house In good condition may be a wise Investment. The house will be available to the City on June 1. After Parks Development and Water Resources Update, the Commission has several Items under Other Business and Reports; one of which is to set a workshop meeting to complete the task of putting together a CIP. I thought the Commission made some good progress at its first meeting, and with a concentrated effort should be able to complete the remaining parks with one more meeting. Staff can then put some budget numbers to each of the projects. The Commission will undoubtedly want to review the project list again for any last adjustments. Earlier, I had indicated that this work would be ready to be placed on a City Council workshop agenda in late May. I have since told the City Administrator that June is now a likely date. Staff has begun to work,on preparing a preliminary budget for the next fiscal year. Making this year's budget more time consuming and difficult will be the Council's request to prepare budget options that reflect unlimited growth, 5% growth, 0% growth and a 5% decrease. Given typical inflationary pressures, the last two budget options will lead to some type of service cuts. Commission suggestions regarding budget options are always helpful. Please feel free to provide your input. As always, If you are not able to make the meeting, please call 681-4661. Respectfully submitted, Ken Vraa MAY DEPARTMENT HAPPENINGS 1. Recreation staff have hit the deck running. The Northview concession began operation on April 26, the day of adult softball two game tune ups. The concession remains open through fall ball in early October. 2. The youth softball clinic has 400 registrants. This represents a 3 fold increase from prior years. EAA included flyers for the clinic among their registration materials. The youth range in age from 7-12. The Eagan High School Varsity team and coaches conduct the clinic. The Department serves the lunch. 3. The summer Discover Us brochure will offer 229 sections of activity for the enjoyment of the community. Skating lessons at the Civic Arena offer 25 classes. Registration for all of these activities will be an enormous task. 4. The Minnesota Extension office will conduct a nutrition program at Oak Woods twice a month beginning May 8. Seniors from the community are invited to participate also. The emphasis is healthy foods for older adults. 5. The men's, women's and co-rec tennis leagues will hold organizational meetings on May 20 & 21. Inquires have been received from over 20 prospective participants for the women's league. Co-recreational and the men's league are at '96 levels. 6. The Yankee Doodle Arts and Craft Festival scheduled for June 28 & 29 at Blue Cross Shield is nearing capacity. The number of artisans booked increases annually. The Department runs the Little Doodler's Art Tent. Girl Scout volunteers assist with the activity. 7. The April senior citizen activity at Oak Woods had over 30 in attendance. Seniors who go south for the winter are back in town. The coffee gatherings at McDonald's of Eagan has caught the eye of several new participants. The space we use at the new restaurant is just barely big enough. 8. Game and practice schedules should be received very soon from EAA summer sports. Field space is sufficiently available for baseball and softball. The growth of in-house soccer has necessitated provision of 5 fields sized for 3rd and 4th graders, rather than 4 as originally planned. Space is available at Lexington Diffley by encroaching onto what will become the informal ball field in the future. Close attention will be played to potential parking problems. 9. Summer programs are planned. The summer newsletter will be out soon. Recreation staff is gearing up for a variety of activities for this summer. Summer in the Park, Instructional T-Ball, Preschool Programs, Camps and field trips are part of what is planned. 10. Preschool program participants will be visiting the Dodge Nature Center Model Farm for their spring field trip. Viewing farm animals up close is always a big hit for the children. 11. The 12th Annual Eagan Fun run was held on Saturday, May 3. 305 runners participated for the largest turnout ever! 12. Over 800 pieces of plant material were sold at the annual City tree sale on April 26. A "lottery system" was used to select the recipients from the nearly 1,250 requests. 13. The annual Arbor Day Celebration was held at Blackhawk Park on May 3`d. The 150 volunteers installed nearly 100 pieces of plant materials in the designated locations. All were treated to great musical entertainment and a lunch. Lee Markell presented an award to this year's poster contest winner. Darrell Peterson and Barbara Johnson displayed tenacity and style while staffing the grill. Thanks! 14. Staff has completed the installation of the new double batting tunnel at Dakota Hills Middle School. Funding for the materials is being provided by the school and EAA. 15. All free skating rinks have been reseeded with annual rye grass. 16. The developer of the new Evergreen addition has begun transplanting pine trees from the development site into Hidden Comer Park and around Red Pine School. As part of the development agreement. Approximately 200 trees will be moved. 17. Spring fertilization is underway. Again this year a slow release, polymer coated, low phosphorus fertilizer will be used. Soil tests have been conducted at a number of athletic sites to determine the specific need. 18. The grass is growing! Mowing began in earnest the week of April 28. 19. Staff has begun the regular maintenance of the athletic turf areas utilized by Dakota Hills Middle School as outlined in the approved agreement. The City will bill the School District for the work in accordance with the City Fee Schedule. 3 20. The native grass prairie at Thomas Lake Park was burnt successfully the week of April 20. 21. With the coming of spring an increase in vandalism can be expected. This year has proven no different. Staff has repaired numerous broken windows and damaged roofs. There has been no significant vandalism detected at the park sites equipped with surveillance cameras. 22. Surface lead level testing will be completed at North Park within the next several weeks. Similar testing done approximately 5 years ago found the lead levels to be within acceptable limits. The Minnesota Pollution Control Agency is reviewing additional test data submitted earlier this year. 23. The preparation of athletic fields for the season is nearing completion. Over 20 infields have been graded and nearly 20 soccer fields delineated. 24. The spring inspection of play grounds has been completed. The replacement of several play components was necessary. Staff also repaired a slide at Pilot Knob School and installed a deck at Oak Ridge School. 25. The kick-off meeting for the citizens wetland assessment project was held on April 19. The frog and vernal pool field surveys will likely begin the week of May 5, with four field sites in Thomas Lake Park and three near Meadowland Park. Additional work to assess wetland quality will continue in June, July, and August. Eagan water resources technician Jim Storland has volunteered to act as the coordinator for the five person team throughout the summer. 26. As of Wednesday, May 7, nine commercial lawn care applicator licenses have been issued and one is pending. Eight of the nine companies licensed identified no-phosphorus fertilizer blends as their only or primary product. Cs13/may dept happenings.dp. Advisory Parks Commission May 13, 1997 Consent Agenda RATHMAN ACRES - GREGORY 8t VALERIE RATHMAN 1. This development would be subject to a cash parks dedication. 2. This development would be subject to a cash trails dedication. 3. The Tree Preservation Plan should be approved as proposed with the following conditions: • To require that an Individual Lot Tree Preservation Plan be submitted at the time of Building Permit application for Lots 3, 5, 6, 7, 8, 9, and 10.- 0 To require that Tree Protective measures (i.e. 4 foot polyethylene laminate safety netting) be installed at the Drip Line or at the perimeter of the Critical Root Zone, whichever is greater, of significant trees/woodlands to be preserved. • To require that the applicant contact the City Forestry Division at least five days prior to the issuance of the grading permit to ensure compliance with the approved Tree Preservation Plan. 4. The development be subject to a cash water quality dedication based on the area and development density of all lots excluding Lot 4 which is already developed. 5. A conservation easement be secured to provide protection of riparian and adjacent upland areas along Blackhawk Lake and Pond BP-1.2 as a condition of any variance granted under the shoreland zoning regulations. The area covered in the conservation easement should extend a minimum of 100 feet back from the normal water elevation of Blackhawk Lake and Pond BP- 1.2. DAMONE GROUP, LLC - PRELIMINARY PLANNED DEVELOPMENT 1. This development shall be responsible for a cash parks dedication. 2. This development shall be responsible for a cash trails dedication. 3. The Tree Preservation Plan should be approved as proposed with the following conditions: • To require that the applicant install 22 Category B trees as mitigation for tree significant tree-.. and woodland removal in excess of allowable limits. • To require that Tree Protective measures (i.e. 4 foot polyethylene laminate safety netting) be installed at the Drip Line or at the perimeter of the Critical Root Zone, whichever is greater, of significant trees/woodlands to be preserved. • To require that the applicant contact the City Forestry Division at least five days prior to the issuance of the grading permit to ensure compliance with the approved Tree Preservation Plan. 4. The development meet water quality mitigation requirements through on-site ponding. The design of the pond needs to incorporate an aquatic bench for safety purposes as per the City of Eagan's detention basin design standards. LEXINGTON COMMERCE CENTER - OPUS CORPORATION 1. This development would be subject to a cash parks dedication. 2. This development would be subject to a cash trails dedication. 3. The Tree Preservation Plan should be approved as proposed with the following conditions: • To require that the applicant Install 42 Category A trees or 84 Category B trees or 168 Category C trees as mitigation for tree significant tree and woodland removal in excess of allowable limits. • To require that Tree Protective measures (i.e. 4 foot polyethylene laminate safety netting) be installed at the Drip Line or at the perimeter of the Critical Root Zone,' whichever is greater, of significant trees/woodlands to be preserved. • To require that the applicant contact the City Forestry Division at least five days prior to the issuance of the grading permit to ensure compliance with the approved Tree Preservation Plan. 4. The developer shall meet water quality treatment requirements primarily through on-site ponding. A supplemental cash dedication should be required to meet any shortfall in on-site ponding. city of eagan MEMO TO: ADVISORY PARKS COMMISSION FROM: KEN VRAA, DIRECTOR OF PARKS AND RECREATION DATE: MAY 6, 1997 RE: RATHMAN ACRES - GREGORY AND VALERIE RATHMAN BACKGROUND Greg and Valerie Rathman are requesting approval of a Preliminary Subdivision (GVR Acres) of approximately 15 acres located at the southwest corner of Blackhawk Lake, east of Biackhawk Road and north of Silver Bell Road. The Rathman's received preliminary subdivision approval for this property earlier this year (Rathman Acres), but were unable to secure the private street access via Riverton Point that was necessary under that plan. This proposal includes variances to certain provisions of the city's Shoreland Ordinance. The site contains an existing single family residence and a barn which were constructed in 1958 and are located on the western portion of the site. The site is open on the west with scattered trees, and heavily wooded on the east and slopes toward Blackhawk Lake. The property Is currently zoned R-1, Single Family Residential, and is designated in the Comprehensive Guide Plan as D-I, single-family residential. The proposed subdivision would create ten lots ranging in size from just under '/z acre (19,880 s.f.) to 3.3 acres (143,330 s.f.), with an average lot size of 1.43 acres (62,496 s.f.). All lots meet minimum lot area requirements. Public street access for Lots 1, and 2, is proposed to be off a 200 foot long cul-de-sac, Skater Circle, extended east from Blackhawk Road. Lots 3 - 10 are proposed to have access via a 26-foot wide private drive extending east from Skater Circle. The extension of a private drive will allow sanitary sewer to be extended to all ten lots. Lots 1 and 2 will be graded during project construction. Lots 3 and 5 - 10 will be custom graded. Tree removal resulting from Initial project construction is 7.26 percent Lots 4 and 5, and 7 - 9 have lake frontage. Lots 4, 8 and 9 require variances to the 100 foot minimum required lot width at the shoreline. Lots 2 and 3 require a variance to the 100 minimum required lot width at the building line. As was conditioned in the preliminary approval of the Rathman's earlier proposal, this preliminary plat shows a conservation easement extending 100 feet landward of the ordinary high water level. PARKS/TRAILS DEDICATION This development would be subject to a cash parks dedication and a cash trails dedication J5, TREE PRESERVATION A tree preservation plan and a tree Inventory have been submitted for this development. The inventory indicates that current significant vegetation consists of 9.64 acres of significant woodlands (primarily hardwood deciduous trees) and 36 significant trees (a variety of deciduous and coniferous trees). The individual trees Include pine, spruce, ash, maple, and crabapples. All of these Individual significant trees are located in the west area of the site, within lots 1 through S. The development as proposed will result In the removal of 0.7 acres of significant woodlands (7.26% of the total). This removal will occur as the proposed private driveway Is constructed along the south property line. None of the individual significant trees will be removed. Allowable removal for this type of development (initial phase of multi-lot, single family residential) is set at 25%. The applicant intends to perform custom grading on lots 3, and 5- 10. Allowable removal for each of these individual lots will be set at 20%. With a tree/woodland removal less than allowable limits, there is no mitigation requirement. Staff is recommending approval of the Tree Preservation Plan as proposed with the following conditions: • To require that an Individual Lot Tree Preservation Plan be submitted at the time of Building Permit application for Lots 3, 5, 6, 7, 8, 9, and 10. • To require that Tree Protective measures (i.e. 4 foot polyethylene laminate safety netting) be installed at the Drip Line or at the perimeter of the Critical Root Zone, whichever Is greater, of significant trees/woodlands to be preserved. • To require that the applicant contact the City Forestry Division at least five days prior to the issuance of the grading permit to ensure compliance with the approved Tree Preservation Plan. WATER QUALITY/WETLANDS The proposed development lies on the southwest shore of Blackhawk Lake. Two of the lots border the portion of Blackhawk Lake classified as Class I direct contact recreation. Three other lots front on a bay (Pond BP- 1.2) at the far western end of the lake designated as a Class VII storm water basin. The average size of the riparian lots Is about 2 acres, and the average size of all lots within the development is 1.4 acres. Runoff from the cul de sac serving the eastern-most five lots will discharge directly to Blackhawk Lake through a tie-in with an existing storm sewer. Runoff from the impervious surfaces of the reminder of the development will discharge to Pond BP- 1.2, also through a tie-In with an existing storm sewer. Because of the small size and low density of the development, extreme topography, and the abundance of significant trees, on-site ponding is not a viable alternative. Thus, staff recommends a cash dedication for water quality mitigation based on the area of the development excluding the already developed lot (Lot 4). There are no wetlands on the parcel other than the wetland complex associated with Blackhawk Lake, and no wetland filling or draining is proposed by the developer. Blackhawk Lake is designated as a recreation development lake in the City's shoreland zoning ordinance, and this development is subject to regulation under that ordinance because of its proximity to Blackhawk Lake. While the Department of Community Development and the Advisory Planning Commission have the responsibility of administering this ordinance as part of the City zoning code, It Is appropriate for the APRNRC to review some aspects of this issue. It should be noted that the layout of the (D, development has been changed so that the entire development can be served by sanitary sewer; thus there will no on-site septic sytems needed to serve any of the lots. Lots 4, 8, and 9 may need a variance from the lot lake frontage requirements, however. While the merits of this request for variance will be evaluated by the APC and the City Council (in part based on a consideration of hardship), the Commission may want to recommend other considerations. One such consideration Is the conveyance of a restrictive conservation easement to provide additional protection of the shoreline and adjacent upland. Staff has discussed this possibility with the developers and they are receptive as long as there some provisions for lot owners to gain access to the lakeshore. The current plans show a 100 foot wide conservation easement back from the normal water level of Blackhawk Lake and Pond BP-1.2. Staff recommends that: • The development be subject to a cash water quality dedication based on the area and development density of all lots excluding Lot 4 which is already developed. • A conservation easement be secured to provide protection of riparian and adjacent upland areas along Blackhawk Lake and Pond BP-1.2 as a condition of any variance granted under the shoreiand zoning regulations. The area covered in the conservation easement should extend a minimum of 100 feet back from the normal water elevation of Blackhawk Lake and Pond BP-1.2. RECOMMENDATIONS 1. This development would be subject to a cash parks dedication. 2. This development would be subject to a cash trails dedication. 3. The Tree Preservation Plan should be approved as proposed with the following conditions: • To require that an Individual Lot Tree Preservation Plan be submitted at the time of Building Permit application for Lots 3, 5, 6, 7, 8, 9, and 10. • To require that Tree Protective measures (i.e. 4 foot polyethylene laminate safety netting) be installed at the Drip Line or at the perimeter of the Critical Root Zone, whichever is greater, of significant trees/woodlands to be preserved. • To require that the applicant contact the City Forestry Division at least five days prior to the issuance of the grading permit to ensure compliance with the approved Tree Preservation Plan. 4. The development be subject to a cash water quality dedication based on the area and development density of all lots excluding Lot 4 which is already developed. S. A conservation easement be secured to provide protection of riparian and adjacent upland areas along Blackhawk Lake and Pond BP- 1.2 as a condition of any variance granted under the shoreland zoning regulations. The area covered In the conservation easement should extend a minimum of 100 feet back from the normal water elevation of Blackhawk Lake and Pond BP-1.2. Z 3D 020. T AD w ^ : , ROAD B ACKHAWK BLACKHAWK l4Ft• .1.. ' J i t ,i i f t 'Y ~ tY i O /00, t j e ) 1 - I 1 I r I I ` \ix ^ ~ I i' 74 r- f t;(i A C. Fw E tt ~ t i ~ lilt 1 p\ I I •rw/N• f•.1 s r ~ t~ t ~t' L. ! [fill [EIIEE lilt aa f.= i f' ~0 t ~f. t~C €E ._A laef H1 ~(~1 all t5 E1v` ' i tai •.t tilt( III!! !d 3 T :c z n a ,It ' n ~C~I Eft i . I - ; ,I t e U I C J /a; Z- 1000 # <z Oh _ 1 BIACKr - - - t- I t~ \ t' ;:i, //l~l 1/'r~i iii • • ~E fir- ! 1111 1-./ Ya i cr ll s / / / 1 / I I l l lI I~ iltrr_- / r. jhff 1 'l~l I 1, 1 I ~j ll l\I \ Il l cn~/r/~ / / / 1 I- a - II IIIIII' !11'111/~/l~~J/y/ j' r / 1 soil I 1 1 111 , I ~ I I I 1 h l i~ ~ !g k t o t / I III ~,/1 , / , 1 1 R 6 ip \ 1 tI / I111 ,fir III\~\I l Illl f IS! IIIIi I11\I \ Z~ ~`i l III ICI Ul111111/~l~ \ \ I 171 ///~/%///ll~ St _ \1 1`I~\\ \ \ \ ' ' ///f 1 I 11j11 11111 11 11111\\ , . I I 1 1 It 11II , It - X1.}.11 1 1 /r,r 1111111 71 z f-1 MI n 14/111 j`1 ' ~1r/JI 11 111 1 ~n I'1'~l~tll le Aali?~ V/11 • / / 1 I, I I l , 7 / I c aerccrarasaa=sas:c:c::cs-•-.-. p cm O t lO' of eagan MEMO Ak.Pl TO: ADVISORY PARKS COMMISSION FROM: KEN VRAA, DIRECTOR OF PARKS AND RECREATION DATE: MAY 6, 1997 RE: DAMONE GROUP, LLC - PRELIM. PLANNED DEVELOPMENT BACKGROUND The Damone Group, L.L. C. Is requesting a Preliminary and Final Planned Development to allow an assisted living residence on 3.97 acres of property located at the northeast corner of Krestwood Lane and Crestridge Lane. The property is part of the Pilot Knob Properties PD that was approved in 1974. The original PD designated this property for townhome development. Because the original PD agreement is so vague, this request is being processed as a new planned development. The proposed development will consist of an assisted living residence for 52 residents. The facility is designed to provide a high level of care and service for elderly persons with memory impairment such as Alzheimer's disease. The one story building will feature indoor walking paths, enclosed courtyards, group dining areas and private rooms for individuals and a few couples. A full-time nurse will be present at all times. A staff to resident ratio of 1:6 will be provided for supervision and assistance to the residents. The residence will be fully secured. Residents will not leave the facility unless accompanied by a family member of staff. PARKS/TRAILS DEDICATION This proposal would be subject to a cash parks dedication and a cash trails dedication. TREE PRESERVATION A tree preservation plan and a tree inventory have been submitted for this development. The inventory indicates that current significant vegetation consists of 22,580 sq. ft. of significant woodlands. One of the woodlands, about 17,800 sq. ft. In size is comprised of poplar trees in the size range of 5" to 10" diameter, and is located in the south-central portion of this site. The balance of the woodlands, about 4,780 sq. ft. Is comprised of 6" to 9" ash trees and is located along the east boundary of the site. The development as proposed will result in the removal of 17,800 sq. ft. of significant woodland (78.8% of the total). The woodland to be removed is the poplar woodland located in the south-central area of the site. if. Allowable removal for this type of development (commercial, single lot) is set at 30%. Mitigation for the removal of significant vegetation in excess of allowable limits calculates to 11 Category A trees or 22 Category B trees or 44 Category C trees. The submitted landscape plan includes the Installation of 22 Category B trees as fulfillment of tree preservation requirements. Staff Is recommending approval of the Tree Preservation Plan as proposed with the following conditions: • To require that the applicant install 22 Category B trees as mitigation for tree significant tree and woodland removal in excess of allowable limits. • To require that Tree Protective measures (i.e. 4 foot polyethylene laminate safety netting) be installed at the Drip Line or at the perimeter of the Critical Root Zone, whichever is greater, of significant trees/woodlands to be preserved. • To require that the applicant contact the City Forestry Division at least five days prior to the issuance of the grading permit to ensure compliance with the approved Tree Preservation Plan. WATER QUALITY/WETLANDS This development is located within drainage basin ] and will generate runoff that will eventually reach Fish Lake. A two-cell detention basin, Pond JP-67, was constructed downstream at City expense to treat runoff from the watershed within which this development is located. In order to avoid over-burdening this pond, staff recommends that the development Incorporate a small detention pond to pre-treat runoff from the site before discharge to Pond JP-67 and subsequently Fish Lake. The detention pond shown on the site plan will need to incorporate an aquatic bench for safety purposes, but should otherwise meet the treatment requirements for the site. There are no jurisdictional wetlands within the site. Staff recommend that the development meet water quality mitigation requirements through on- site ponding. The design of the pond needs to Incorporate an aquatic bench for safety purposes as per the City of Eagan's detention basin design standards. RECOMMENDATIONS 1. This development shall be responsible for a cash parks dedication. 2. This development shall be responsible for a cash trails dedication. 3. The Tree Preservation Plan should be approved as proposed with the following conditions: • To require that the applicant Install 22 Category B trees as mitigation for tree significant tree and woodland removal in excess of allowable limits. • To require that Tree Protective measures (i.e. 4 foot polyethylene laminate safety netting) be Installed at the Drip Line or at the perimeter of the Critical Root Zone, whichever is greater, of significant trees/woodlands to be preserved. • To require that the applicant contact the City Forestry Division at least five days prior to the issuance of the grading permit to ensure compliance with the approved Tree Preservation Plan. 4. The development meet water quality mitigation requirements through on-site ponding. The design of the pond needs to incorporate an aquatic bench for safety purposes as per the City of Eagan's detention basin design standards. ALTERNATIVE LIVING SERVICES EAGAN,MN LOCATION MAP 1~ ---~sfjpr•ea.Q---~ I( 6 tii •,1 let x eert esawro , ! I A 1 iK...ae i° NI Iaeiora is I Ie.nw e. WE ^Ai1 r I e e 1. 11i rt. Mil I 101 NfA Iraei x rt. an(refwsf( \ ! ew. ~ fuar >o ora n ;lS - ' .roe Mreal PROPO5~D v.°A4~0Lanaf"'ce'ar- xm BUILDING rI i fir 1~an • ~ - 1 1 @. .P ( ~I ~ eewale "eeeo'~ "w~'s~°rfiyo ~»~p~c .a N"~ om mI~ . I 1 1~° -J'e' iI a_wo et iw n Ise i N frti ILpM~~ _ 1 cum aii • I !I- IA an" r 1'' kI w C: ra•s Or .eneael I.V O n PAW (.0 rt, Q [ N rt, KW) we- 3c i K was - f. n. se f"m a "on" m ~~bb~~^^ 1 i`' e1L esi~.ae to ep w OIA tome mm eoefns LEGEND 1.fr I -r- KyltNr t rr[ ? r •w[w.x. mn 1 ~ i ff~i ; r I •_x ( ' e.f ~ fir n oiw oue J - J \ Hals w rrr WN _ _ _ _ rrrr Re , QWr "f0 „,a roe.eo a CRESTRIDGE LANE IFb?R • M i x PRELIMINARY SITE PLAN - + ansan Thqao^ ap rof a SHEET „e..L_fle„e •/ro!•i tern ex-ori r.. 1ue1 o»-rose - r: \o1e\rr-ef rurq_oar o.c ALTERNATIVE LIVING SERVICES EAGAN• MN l . annwteo, . .,t ...•."..jet so I ~ \ • n• _ rye 1 rl r. ..i ~.t~ J m ` . `i ii.! • 0O1""" 0•e w . ri .i mMrue wonw•x RIM p • ww e.r. •er • + :"J M w OalrKwa 00•TOr• 71.11 r •Y• eI 4-0 ~m ALL r-ammarIw w anV uel7 Me r•dw frme% ' r.• is rtYt v .1AYIr Al •a•.• v annwr • ml ow tw A.0 OM PGON" CM PQ$ rtn7R B ILDING rnm Orw 7w as AMftl m ' w.we ~llaeorr.ta ~ frE es. ) ab.r ~rr .at. K trl.lm,777 w wr¦on. aawwueo AWS IM r.••ourt J . a ua s u °ONw•i vinr° ar w tl R1wO x 4/¦r 4/w~ A r11Y (Y Y Helot a PLO 7Ql•r •n7N dM•net•w t u . - - !1 ut outt0l a LEGEND 1-11 1M1 rn•[w•e•~ t n n.ar r.rt nl •lA •y - - - ,,o rwar, xA\. CRESTRIDGE ANErP! •r.. rt ~•iee~ .ve er~.» • M r rw ••7• »lOO tM Yurl. .erte~ e+w.~ .r PRELIMINARY GRADING, DRAINAGE & EROSION CONTROL PLAN w,:.. ~ }1 II P.Mirt.n a,on tnc. SHEET r•e' ° •n•n. 3 OF 7 e»u •w-erw mn e»-r.s • \tl.\•r-NI V W-Yr ei 3wvi s3a~ ,r ae - Jim- 7-7 )r ti I ~t MI A 'sir -r a ' m 9 IJ ~ I a e y 'i E zr~ p tit 11 In a I ~~rs ge o ~ d rn ~ D ~ I I - 'yl;!a ~~~itp i1• a ~ c F e q c ~ 319; ~tC i Yji=i•c.~.- .•t. I~ Noma q IL~~ o0M153a~_<----~- -Y-} a l ~ ~ t fi a m mI€~o` } z 111 m i c t~OitF't SctYg Q~ I " •cai 5-• iit~ \1 \ I Z # ~ ~ ~•a Y ! - N i~ I ~ iii ~ ;I m m=~ (i .t E of r e Z :L, I <I 1 V~ - I _ I 9LYLf IiC,K005 ,J~ ~ ~ z ~ :t a ii i ~ c t:3 f fit ! s o0 still Y I E i is E } iE ;jl V y city of eagan MEMO TO: ADVISORY PARKS COMMISSION FROM: KEN VRAA, DIRECTOR OF PARKS AND RECREATION DATE: MAY 6, 1997 RE: LEXINGTON COMMERCE CENTER - OPUS CORP. BACKGROUND Opus Northwest L.L.C. Is requesting a Preliminary Subdivision (Lexington Commerce Center) of approximately 7 acres and a Rezoning of 2.6 acres from A - Agriculture to I-1 - Industrial. In addition, OPUS Is requesting a Variance to the required building and parking setbacks, and the screening requirements from the south property line. The site Is located on Lots 1 - 5, Block 5, Eagandale Center Industrial Park No. 3 and unplatted parcel 10-01100-010-25 at the SE intersection of Lone Oak Road and Lexington Avenue In the NW Y/4 of Section 11. Lots 1-5, Block 5, Eagandale Center Industrial Park No. 5 are currently zoned Industrial. The unplatted lot directly south of these is currently zoned Agricultural and guided Industrial.. The applicant Is proposing a rezoning of the unplatted parcel to Industrial and Including It within the plat. Opus is proposing to construct an 89,986 s.f. single story, office/warehouse on the lot. The proposed office/warehouse is permitted within the I-1 zoning district. The proposed building and parking are were developed with variances affecting the south portion of the lot. This is due to the 100' setback requirement when and I-1 district abuts an "A", "R", or "P" district. The property due south, while zoned Agriculture, Is guided Industrial. Therefore, Opus Is developing the building and parking to conform to I-1 standards, but requiring a 40' variance to the 100' setback requirement for the building. Access to the site Is gained from a shared access with the property to the south along Lexington Avenue and a right In/ right out access is located at the northeast corner of the lot along Lone Oak Road. PARKS/TRAILS DEDICATION This development would be subject to a cash parks dedication and a cash trails dedication. TREE PRESERVATION A tree preservation plan and a tree inventory have been submitted for this development. The inventory Indicates that current significant vegetation consists of 11,989 sq. ft. of significant woodlands and 67 significant trees. The significant woodlands are comprised primarily of cottonwood trees in the diameter range of 6" to 18". The significant trees are a variety of deciduous trees (elm, boxelder, cottonwood, ash, oak, basswood, hackberry, and crabapples, ranging in diameter from 9" to 29") and coniferous trees (pine and spruce, ranging in diameter from 5" to 12"). The development as proposed will result In the removal of 100% of the significant woodlands, and in the removal of 47 significant trees ( 70.1 % of the total). Significant trees to be preserved Include six oak (14" to 21 " diameter), one 11 " hackberry, nine pine (5" to 11 " diameter), one spruce (10" diameter), and three cottonwood (12" to 22" diameter). These trees will be preserved in five clusters along Lexington Avenue, utilizing retaining walls, and eventually incorporated into the sites landscaping plan. According to the City of Eagan Tree Preservation Ordinance, allowable removal for this type of development (commercial, single lot) is set at 30% of the existing significant vegetation. Mitigation for the removal of significant vegetation in excess of allowable limits calculates to 42 Category A trees or 84 Category B trees or 168 Category C trees. The applicant has submitted a Tree Mitigation Plan as well as a Landscape Plan for this site. The tree mitigation plan Indicates that 25 Category A trees and 36 Category B trees will be planted on site to satisfy Tree preservation Ordinance requirements. This combination of trees fulfills their mitigation requirements. This tree mitigation is being submitted in addition to the submitted and approved landscape requirement. Staff is recommending approval of the Tree Preservation Plan as proposed with the following conditions: • To require that the applicant install 42 Category A trees or 84 Category B trees or 168 Category C trees as mitigation for tree significant tree and woodland removal In excess of allowable limits. • To require that Tree Protective measures (i.e. 4 foot polyethylene laminate safety netting) be installed at the Drip Line or at the perimeter of the Critical Root Zone, whichever is greater, of significant trees/woodlands to be preserved. • To require that the applicant contact the City Forestry Division at least five days prior to the issuance of the grading permit to ensure compliance with the approved Tree Preservation Plan. WATER QUALITY/WETLANDS This development is located in drainage basin E and will generate runoff that will reach Pond EP-1, a designated nutrient trap. Pond EP- 1 is connected with an equalizer pipe to Pond EP-2, an indirect contact recreation water body In the proposed North Park. To minimize the potential for poor quality water to "back up" into Pond EP-2 and to address storm water conveyance problems downstream, staff recommend on-site ponding as the primary means to meet water quality treatment requirements. The treatment pond shown on the plans appears somewhat undersized. Staff therefore recommends that any shortfall In on-site ponding be covered by a supplemental cash dedication. There are no jurisdictional wetlands within the site. c Staff recommends that the developer meet water quality treatment requirements primarily through on-site ponding. A supplemental cash dedication should be required to meet any shortfall in on-site ponding. RECOMMENDATIONS 1. This development would be subject to a cash parks dedication. 2. This development would be subject to a cash trails dedication. 3. The Tree Preservation Plan should be approved as proposed with the following conditions: • To require that the applicant install 42 Category A trees or 84 Category B trees or 168 Category C trees as mitigation for tree significant tree and woodland removal in excess of allowable limits. • To require that Tree Protective measures (i.e. 4 foot polyethylene laminate safety netting) be installed at the Drip Line or at the perimeter of the Critical Root Zone, whichever is greater, of significant trees/woodlands to be preserved. • To require that the applicant contact the City Forestry Division at least five days prior to the issuance of the grading permit to ensure compliance with the approved Tree Preservation Plan. 4. The developer shall meet water quality treatment requirements primarily through on- site ponding. A supplemental cash dedication should be required to meet any shortfall in on-site ponding. • IC!. Cj Of E09- City of Eagan Corms inity Development Department Location Map . . w 4 ? j' r -411111111 XL LOLIMO 04 L... .O." (LO.. OAU ¦ L=J o ~ r i ¦ •z Lexington Commerce Center Preliminary Subdivision and Rezoning Case No. 11-PP-2-1-97 N Case No. 11-RZ-5-1-97 700 0 700 Feet HG4RYPLAT OF EAGANDALE CENTER INDUSTRIAL PARK NO 13 Ag' J y I n i\ n N1 I r 1 n 1 I L-/\\7t I LJ r1L.L- u, lirl1 I! ( l/. T~ r 7 i I t r a~ I. I I r. ~l C.. I CJ Z x ,,r.war._r• I _ rl~ j _ l it `i~ I ~I I - Q ell I~'i ~.r-tilTr-~~ I h "'"rte -'rT r iQ~ I ~ C~ i3iu I IKII_•~' 1^T`~IAi II' LJV... 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" rw "rr. •rw w a 0 a4.• r. y r 3012 wr•wr. ~'r•••~• arr.. • .r wr• rwro ra t .s .w . rr yaws - a».ws r ' / CXMDdkLi II43=C OCrortegpDE LImC. r+ro .aw to .w. rw..r .r • w.r. • »..+v r r.. iwr r.. OL LOAD WK ROAD it V M 4 { ) s~ g o i i m + + o t H ? N T; it a N + + ~ ~ Ali ~ i~~ i ~ r 21 1 I ~~~ttt room r SCIYCM 11l SrIIE[r 711.40' S 9 2)' 2Y . u11 rROll Peauc ; ^ OPUS. AWTTWC rMOVE Top I I I anu rwk o [.r... I. T0Asl1[ OPUS PROPERTY RAHN PROPERTY } tq 6i G5 qM rx111x DOCKS ps1 Irl. l?.E lad t • • J at x2-o1[-rw r. dT-olo-nN ruNwOlls i'~ •Lii ! ' : T_t-.. ter. f f : ~ i EIYE r•.i ls~4 •s t 1 l i 1 2 i ! 1 ~ .rid~.wi r. ~ ~a I• 1 1 ~ w I - t Q Y2.1 _ _._J[3.-- J-----J------1- ___._j•,..~_~,F.,-a.=- =--i=--._.-a - y* utOA[1L - = = _ _ - OI PROPO~ED IS EYI - - - - - $9.986] GR SQiFT. urA.r24wura1a A.4Ps F` E STORT x p w UULLY SP NKLE ! Z b TfPE 11-N ICONS RUCTION QI I, ----t'---'--t-.-----1--'---t- -----1--------1----- --i'---°1--------1'--- 01 Jj .K. 1 _ _ 8 PwI~urw°US [M.AIIC[ (NIIUVCE ! ENIMN{:E ! ( I 1 ~1I 6 pI Q ~ ?j 1 taiAtc - ? - • 1 ~ ~ -r slwlco AE•uss N I ~-I fl I --I I H I ' N i - IN II II I I 4[Ro" 411111 [ss w _k o' 22 2r c a" 4M/sr OF orewllc ~ Uui_IN1G d11MY10US ?AIN lum.P11.US GM PAIN 190R - - - - I NEW 411-0 NIX DIU-" 1 4NI[IL.IE vEl Or G1lr LE XINGTON AVENUE°" am - rww I PRO ~EGT INFORMATION CO. RD. 43 SITE AREA I .d.. a M 6E0s GROSS 291,722 SF. 1 LESS CASEMENTS: NET' 252.137 S f. 3 I LEXtKJ ON RME)ING AREA: S I CROSS. 89.986 5.r. lJ I W COMAW= • 1 SIZE PLAN 0 IS SO f0 00 120 CENTM RE OUIRED PARKING > > OFFICE 20x 17,997 SF 0 1/ISO 120 STALLS N ASI -ice Sam III I - WAREHOUSE 80S - 71,989 St. m I SM PLAN 6000 SF O 1/400 15 STALLS 65.989 sr. O 1/1000 fka-s= RE 201 STALLS APR 3 0 1•Al1ANI1; 199 J 1-ANA lrvNN 11 1IV IALL F---ASSI SIAII!i f7ECEIVEU ~IALLti r 1•'1^: ;•111 '.IAU ii~ S• I I~ I ~ I ~ v MR,~ Iii II a Y ~ =~~t 1~ I I I ! , ~ w ~ • ld {1-t , 13 ar•I.rr~rM ` ~~rr/~r.r 1~A•~+~~ ,1 \ Ir N 7-7-7. 1O'` u~_~-•~ i ~9,:- 1 ,111 r ~.YN err r,., -."I w X14 rr \ , '1' , t ,'I ITd //II ' "y a is s tat ky a 11 ^ r ' III t Sty .i .i) ~ S r• ''i ~ ~ 'f ; ' ` its 'o' Ub. S r r ilf I,\,- W r /~''/''l`' lilt r - 1 I'.~11 ¦ .i ~ i 1 I 1 I, r l - >n ~"„~`_M_ _+w~ al.. I I er, ~ ~ ~ ~ i , w r V • IY~!' - to - =tA_~=y - _ = K p 1?~; =sta.}!! ~li~ ~ I 9? ~ I t I C d r •I jay CA i~I III f~, all }IflhIiRhli'l!;'\ to I 1i dl lun / i 7 I Irw ~ , A ,I t~ ffl/• I ,'I I YI IWI: - - •I 'luy y - rm r = ! are-- "0 saes#- i L OAK ___ffOAO 4 r a rl • rwe ~ ~w 4 I I ~l~Lj ! , '~I 1 I k I I , • 'i11ti11 ,~I'lIII,I 11 I ~ 1 f. R IPJ t.l F I I a 7l 1 I1I t~ I~ I I (I I I I' e I I q Ini R J( Y _ I Y I e.. a~rw___ I,: iipi 'T/il+l It+i l+llli~~IIIY~O; I + 1I ~i R .'~li~+illllllll• IZ~~ --o ~I I p I I ~l 'I I~r?~I I C I' I I I~I~' •'_I I CI • w I Ir f I I Ou I E r. li, •I I ! ~ ~ I " 11 1 AF/1" ~ ~ I { w n 1 4 IiI J I r . r, r ire '.I: ~I~• ) ~r,/ aw r•.r w.w mar jr-OUIR Rr ,R ar ar. wdwaw wr-Mo• w+ ~•r.rr~a am. c s I iyall ill lip I o ~ 98 r/I I I I I.I I 1'~~I~ ~ Advisory Parks Commission May 13, 1997 Development Agenda OAKBROOKE - PULTE HOMES OF MN CORP. 1. This development would be subject to a cash parks dedication. 2. This development would be subject to a cash trails dedication. 3. The Tree Preservation Plan should be approved as proposed with the following conditions: • To require that Tree Protective measures (i.e. 4 foot polyethylene laminate safety netting) be installed at the Drip line or at the perimeter of the Critical Root Zone, whichever is greater, of significant trees/woodlands to be preserved. • To require that the applicant contact the City Forestry Division at least five days prior to the issuance of the grading permit to ensure compliance with the approved Tree Preservation Plan. 4. On-site ponding be the principle means of meeting water quality mitigation requirements. 5. Ponds BP-35 and BP-3.3 have minimum wet volumes of 10.6 acre-feet and 2.7 acre-feet, respectively, and that they meet the City's standards for detention basin design. 6. A supplemental cash dedication be required to make up for any shortfall in on- site treatment. 7. Draining or filling of wetlands be prohibited. 8. An ungraded buffer of natural vegetation extending at least 30 feet back from the edge of the wetland units associated with Ponds BP-25, BP-25. 1, BP-3.2, and Pond BP-3.1 be preserved. Where grading for roadway construction around the southern tip of Pond BP-4 is proposed, the area within 30 feet of the wetland boundary shall be established in native perennial grasses and left in an un-maintained condition. The buffers shall be identified on the grading plan. -city of eagan MEMO TO: ADVISORY PARKS COMMISSION FROM: KEN VRAA, DIRECTOR OF PARKS AND RECREATION DATE: MAY 6, 1997 RE: OAKBROOKE - PULTE HOMES BACKGROUND Pulse Homes of Minnesota, Inc. is requesting approval of a Rezoning from Agricultural (A) and Roadside Business (RB) to Residential Double (R-2) and a Preliminary Subdivision consisting of 171 lots and three outlots on approximately 117 acres. Pulte is proposing to Rezone the entire area to R-2, Double. The R-2 Zoning District requires a minimum lot size of 15,000 SF and a minimum lot width at building setback of 100 feet. The duplex units are marketed under two different model names and the base units range in size from 1,450-2,375 SF. The site development plans show a five acre exception parcel in the very northeastern corner of the site; however, the developer has provided development plans showing the ultimate development of the property Including this exception. As shown, this five acre parcel could be incorporated into the Pulte project in the future and would provide the development of two additional single family lots (one with the existing Franz home) and 19 additional club home units In five buildings. All of the lots meet or exceed the minimum requirements of the R-2 Zoning District. The developer is proposing to plat three outlots Earlier this year Rottlund Company requested a Comprehensive Guide Plan Amendment to change the Land Use Designation of the southwesterly eight acres of the Bieter property from D-Il, Mixed Residential (0-6 u/ac) to Roadside Business, RB. This request was denied by the City Council. In September of 1996, Pulse submitted a development request that Included a Preliminary Planned Development to allow a mixed residential development consisting of 502 dwelling units and a Preliminary Subdivision consisting of 218 lots. At that time, Pulte was proposing a "Life Cycle Community" that included five residential product lines that would provide housing opportunities for people at various stages of life from the first time home buyer to the empty nester. The product lines included two different types of single family homes and three types of attached multiple family units. This development request was denied by the City Council late last year. PARKS/TRAILS DEDICATION The Commission reviewed development of this site in September of 1996. At that time staff prepared background history to help the Commission understand what has occurred at this site in the past. A copy of the September 12, 1996 memo is enclosed to refresh the Commission's memory and minutes of the September 16 Commission meeting are also enclosed for additional background. Based on the Commission's previous recommendations, this development would be subject to a cash parks dedication and a cash trails dedication. C7 TREE PRESERVATION A tree preservation plan and a tree inventory have been submitted for this development. The inventory indicates that current significant vegetation consists of 1,133 significant trees. Significant vegetation on this large site consists of a variety of deciduous trees and small patches of coniferous trees. Most of the vegetation is located near water bodies and on hillsides. The development as proposed will result in the removal of 477 significant trees (42% of the total). Thirty-eight trees (3.4% of the total) will be removed though the construction of Johnny Cake Ridge Road. This tree removal is exempted from the applicants responsibility. According to the City of Eagan Tree Preservation Ordinance, allowable removal for this type of development (single phase, multi-lot, multi-unit residential) is set at 47.5%. With a tree/woodland removal less than allowable limits, there is no mitigation requirement. Staff is recommending approval of the Tree Preservation Plan as proposed with the following conditions: • To require that Tree Protective measures (i.e. 4 foot polyethylene laminate safety netting) be installed at the Drip Line or at the perimeter of the Critical Root Zone, whichever Is greater, of significant trees/woodlands to be preserved. • To require that the applicant contact the City Forestry Division at least five days prior to the issuance of the grading permit to ensure compliance with the approved Tree Preservation Plan. WATER QUALITY/WETLANDS Water Quality This development will generate runoff that will reach Blackhawk Lake a short distance downstream. Blackhawk Lake is one of seven Class I direct contact recreation lakes identified in the City=s water quality management plan and is the City=s second highest priority for long-term enhancement of water quality. Because of the size of the development, staff recommends that on-site ponding be the primary means of meeting water quality mitigation requirements. As per staff request, a large constructed ponding area (Pond BP-35) in the southwest area of the site will be used to treat runoff from over half of the development. The north-central and eastern portions of the site will drain to the north, and staff has directed the developer to construct a detention basin to treat this runoff prior to discharge off the site. Routing off storm water through the ponds on the site has been designed to maximize removal efficiencies. The ponding designations for the development is shown in Figure 1. Even with these on-site mitigation measures, modeling indicates that a very slight degradation of water quality in Blackhawk Lake will occur. Further, the degradation is virtually unavoidable with conventional on-site treatment practices at any density of standard residential development, although the shortfall in meeting treatment goals is slightly worse with the proposed multi-family development than it would be with a lower density residential development. Staff recommends a supplemental cash dedication to meet the remaining mitigation requirements that cannot be met through on-site ponding. This dedication would be used to off-set costs of in-lake treatment and other measures necessary to manage Blackhawk Lake in the future. Wetlands. The wetland survey for this site identifies five wetland basins totaling 3.3 acres. Four of the basins are natural wetland basins, while the fifth-designated pond BP-35 in the City's storm water management plan-has been significantly modified/deepened. Staff has requested that the developer avoid discharge of runoff from impervious surfaces to the four natural wetland basins, and the developer has accommodated this request. No filling or draining of wetlands is proposed. However, there are numerous areas where grading and building pads come right to the delineated edge of the wetland. Staff recommend that a wetland buffer recommendation similar to the one adopted for the previous development plan for this site (Rolling Oaks) be considered. That recommendation called for natural ungraded buffers extending at least 30 feet back from the delineated edge of the wetland be preserved around all five basins on the site, with one exception for a road embankment adjacent to the southern end of Pond BP-3.4. Compliance with this recommendation would require elimination or modification of grading plans for ten lots within the development. Staff recommends that: • On-site ponding be the principle means of meeting water quality mitigation requirements. • Ponds BP-35 and BP-3.3 have minimum wet volumes of 10.6 acre-feet and 2.7 acre-feet, respectively, and that they meet the City's standards for detention basin design. • A supplemental cash dedication be required to make up for any shortfall in on-site treatment. • Draining or filling of wetlands be prohibited. • An ungraded buffer of natural vegetation extending at least 30 feet back from the edge of the wetland units associated with Ponds BP-25, BP-25. 1, BP-3.2, and Pond BP-3.1 be preserved. Where grading for roadway construction around the southern tip of Pond BP-4 Is proposed, the area within 30 feet of the wetland boundary shall be established in native perennial grasses and left in an un-maintained condition. The buffers shall be identified on the grading plan. RECOMMENDATIONS 1. This development would be subject to a cash parks dedication. 2. This development would be subject to a cash trails dedication. 3. The Tree Preservation Plan should be approved as proposed with the following conditions: • To require that Tree Protective measures (i.e. 4 foot polyethylene laminate safety netting) be installed at the Drip Line or at the perimeter of the Critical Root Zone, whichever is greater, of significant trees/woodlands to be preserved. • To require that the applicant contact the City Forestry Division at least five days prior to the issuance of the grading permit to ensure compliance with the approved Tree Preservation Plan. 4. On-site ponding be the principle means of meeting water quality mitigation requirements. 5. Ponds BP-35 and BP-3.3 have minimum wet volumes of 10.6 acre-feet and 2.7 acre-feet, respectively, and that they meet the City's standards for detention basin design. 6. A supplemental cash dedication be required to make up for any shortfall in on-site treatment. 7. Draining or filling of wetlands be prohibited. 8. An ungraded buffer of natural vegetation extending at least 30 feet back from the edge of the wetland units associated with Ponds BP-25, BP-25.1, BP-3.2, and Pond BP-3.1 be preserved. Where grading for roadway construction around the southern tip of Pond BP-4 is proposed, the area within 30 feet of the wetland boundary shall be established in native perennial grasses and left in an un-maintained condition. The buffers shall be identified on the grading plan. I i[c.. M - as..i c uYW I mfi-CD. (Ill: 1.9.. ~l DDLG •LG. G$f) lMw Lt:iG • Dat..a d LOLL L:~L~GG M yapprr iCOLV = I i i.: •ID wia GOOL ONO LK D..i.Y.W! Lr:fmwfao fMlYwYltl [I... i' •~wn . •:hs w . 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OIJIi:. iil vti:i5 ..1 I - ~ ~ i ~ ~ ~ ~ I 9 941 M.0*.IC.OJN ~ ~ $ A N rj Y - - R R nvi s ` nst Rc n R " s8 N r$ f~\` 8 rt R R Rid 4s rJt fio g A ~ SI 2 g: x °d~ ,?1831 O I o _A ~ 8 Go gp;l y6s+° RAC y°; a , Rea Lp JOHNNY Cd Id F ~y • 4a O R 16 2 lit ~yh Y~ Rc • R R$ A y rx As Fit 10 Z61 KR yyRe b N M'n _ y n = a s x d . t+ni iss c F /v~S * !e gg 's 8 i r, = d R q r n - • 8 R it . • ~~I y I 2! c BE ~ ~ O2 Rn fiS -~A o.1: m, f 1 S 0p. -SN h t l' I Ct AI ° R _I .es•srs do - City of Eagan Cormunity Developer nt Departrtertt JL Ow o(Emon Location Map 911' • I ~ Subject ® Site 4 C.{mow 'C ¦ O im bq ® d a I t kl~ ti Oakbrooke .ezoning Case No. 21 -RZ-1 1-3-97 N 700 0 700 Feet MEMO city of eagan TO: ADVISORY PARKS, RECREATION AND NATURAL RESOURCES COMMISSION FROM: KEN VRAA DIRECTOR OF PARKS AND RECREATION DATE: SEPTEMBER 12, 1996 RE: ROLLING OAKS - PULTE HOMES BACKGROUND Pulse Homes of Minnesota is proposing a mixed-residential development for the 120 acre Bieter-Franz site that is boundee by Deerwood Drive on the north, Diffley Road on the south, and 1-35E on the west. Except for a small sliver in the southwestern portion of the site that is currently zoned Roadside Business, the entire site is zoned Agricultural and guided D-II Mixed Residential (0-6 units/acre). The proposal includes a rezoning of the approximately 120 acre site to Planned Development and a Preliminary Subdivision to allow a total of 523 residential units. The proposal includes 80 singel family homes and the remaining 443 units are made up of a mixture of three different types of attached residential units. The proposal includes the extension of Johnny Cake Ridge Road through the property from Diffley Road to Deerwood Drive. Additional coneections include extending Cashell Glen Road from the east to this site and also a secondary access to the site's pbulic street system for the school district for the Blackhawk Middle and Deerwood Elementary Schools. While Johnny Cake Ridge Road wil be extended through the site, the development is anticipated to be in two phases with Phase I occurring on the southern half of the property. PARKS AND TRAILS DEDICATION BACKGROUND The developer's plan calls for a total of 523 residential units to be built; 80 single family, 320 court/village homes and 123 club homes. At an average density of 2.72 people per unit, the expected population of this development would be approximately 1,423 people. The site will be bisected by Johnny Cake Ridge Road, a collector street which is proposed to have a 36 foot wide street with sidewalk on one side and a bituminous trail on the other. The road right-of- way will be 70 feet. Also within Park Service District #21 are Deerwood townhomes with 36 residential units, Kingswood with 118 residential units and other residential developments totaling 198 units. The approximate total population for this park service district at full development is estimated to be 2,380. A park dedication of 16.23 gross acres is proposed by the developer, Pulte Homes. This amount exceeds the normal dedication of 10%, however, delineation of wetlands and slopes have not been calculated. The Commission previously reviewed a development proposal by Rottlund Homes on this site and recommended a cash parks and trails dedication. One of the reasons for that decision included questioning the need for a neighborhood park in this location since Deerwood Elementary and Blackhawk Middle Schools to the east provide considerable recreational amenities; more than most neighborhood parks. Those amenities include two baseball fields, one softball field, two overlay soccer fields, a football field, running track, four tennis courts, two playgrounds and additional indoor recreation. 33, Another consideration for a cash dedication was the fact that this development is within the 1/3 to 3/4 radius of three neighborhood parks. Those include Camelian Park located on Blackhawk Road, Heine Pond Park on Diffley Road and Downing Park adjacent to Oak Ridge Elementary School. Blackhawk Community Park is also located only 1/2 mile north. Of the parks listed, Heine Pond Park offers a canoe launch; Carnelian Park offers hockey, pleasure skating, shelter building, playground, basketball and a ballfield; Downing Park offers a ballfield, playground, soccer overlay and hard court; and Blackhawk offers winter sledding, cross country skiing, warming shelter, large playground, observation deck, picnic pavilion, extensive trails, fishing pier and canoe launch. HISTORY The issue of providing a park in Service District #21 has a long history dating back to the late 70's/early 80's. The unusual shape of the district alone makes the siting of a park difficult. The district is bounded by 35E, Pilot Knob Road and Diffley Road. The existing Deerwood Elementary School was once the identified location for a park. In addition, having the service district split by Deerwood Road, and now Johnny Cake Ridge Road, makes the justification for a park difficult because of limited population thresholds in each of these smaller areas defined by major streets. When Deerwood Elementary School was sited, the City was still hopeful of developing a neighborhood park in conjunction with the school as has been done with other school/park sites. When the middle school was sited next to the elementary school, interest in a neighborhood park all but disappeared since most recreational amenities were being provided by the two schools. With the development of these two schools, 40 acres were removed from the service district that would have normally been residential development reducing the project service population. As the development of this service district has unfolded, the uncertainty about a park has continued even to the extent that the most recent plan update mentions the possibility of only a neighborhood commons or neighborhood park of 4-6 acres in size. ANALYSIS OF PROPOSED PARK DEDICATION Two separate parcels are proposed by the developer for parks dedication. The first parcel consists of 4.32 acres of land and is located in the east central region of the site. This is an area of rolling hills and lush vegetation. Eighty single family residences are planned to surround this area. Pulte Homes is proposing to maintain a core of open space on the back side of these homes. Three points of access are shown for this open space; two on Cornwell Drive and one on Johnny Cake Ridge Road. A wetland at the south end of this open space makes accessability questionable. A very narrow 10 foot wide corridor is shown on the south side of this wetland with a skimmer at elevation 920.0 feet. Unfortunately, according to the grading plan, the 920 contour extends further to the south indicating this access point may be flooded for indefinite periods. The other access point off Cornwell Drive near the intersection of Cashell has steep grades to contend with. According to the topographic data, slopes are in excess of 33%. Since only a 20 foot wide corridor is shown, there is insufficient room to reasonably grade the site. If room was available to properly grade the site, the cost could be considerable. Due to the grading requirements of this site, building a trail as proposed would be costly and require the removal of additional trees. Although scenic, the majority of the proposed 4.32 acre park dedication contains a considerable amount of steep topography and wetlands which would be difficult to provide trail access. The value of this parcel to the adjacent landowners may be significant, however, the value of this parcel to the Eagan Park System, because of the difficulty of access, is negligible. The second proposed site consists of 11.91 acres of land. To the west of this parcel abuts Interstate 35E and the water tower just south of Deerwood. This is a heavily wooded parcel with steep slopes up to 33%. The developer is suggesting a sleddinhill for this site, however, the only area without trees is a thin sliver of land with the steepest slopes with a grade of approximately 30%. The velocity of a sled traveling down this hill would be dangerous for most sliders. The likelihood of personal injury would not justify the thrill. At the bottom of this hill are two wetlands. The northern most wetland consumes about si4 of the access between the west and north sides of this proposed park dedication. Due to this constriction, a future 3~ trail here could be expensive to construct. Moving northeast from this wetland, the developer is suggesting two hockey rinks and a warming house. Eagan park standards suggest ice hockey rinks should serve a 1/2 mile service area. Currently there are 4 ice hockey rinks within this service area; one at Carnelian, one at Woodhaven and two at Sky Hill Park. The department recently completed a combination picnic shelter and warming house at Blackhawk Park only 1/2 mile to the north. According to the grading plan, the proposed warming house is shown constructed at the edge of a steep drop off. Typically the grade between warming house and ice is flat or nearly flat so skaters can easily travel back and forth. The north end of the parking lot is shown at an elevation of 930 ft. The building site is shown at around 922 ft. The distance of 80 feet has a 10% slope and ADA accessibility standards call for a maximum 5% slope. SUMMARY 1. Given the facts, it appears the Rolling Oaks site could be well served by recreational opportunities at Carnelian, Downing, Heine Pond and Blackhawk Parks with additional recreational opportunities available at both Deerwood Elementary and Blackhawk Middle School. 2. Recreational opportunities proposed by the developer would be a replication of existing nearby facilities. The cost of hockey rinks, warming house, utilities, parking lot, lighting and trails would exceed $250,000. 3. Site grading would be costly due to the high percentage of steep slopes in the proposed park dedication areas. 4. ADA accessability standards would be difficult to meet at numerous locations. 5. Trees and other vegetation would be removed in the process of grading to achieve access and to make the park usable. 6. The 4.32 acre site benefits only the adjacent homeowners. A neighborhood park should serve a much broader area. ALTERNATE CONCEPTS FOR CONSIDERATION 1. A site which may serve park needs better would be a 6 acre parcel located in the northeast corner of the Rolling Oaks development. This site is bounded by school property to the east, Cashell Road to the south, Cornwell Drive to the southwest, Johnny Cake Ridge Road to the west, Hackberry Circle to the north and an existing single family home which lies within an area marked as "exception" on the development maps. A 6 acre park acquisition at this location could complement existing facilities at the adjacent school, i.e. picnic and scenic opportunities. This site is also centrally located within Park Service District #21. Placing the main park acquisition to the northwest separates it from the schools by Johnny Cake Ridge Road. It also exposes park users to the high level of noise which spills over from 135E traffic. A northeast location may also be more convenient for other residents of Park Service District #21 who live in Deerwood Townhomes or at Kingswood. Future expansion might be possible at this site if the owners of the single family residence to the north would be willing to sell. This site offers good views of the Twin Cities skyline and gentle slopes would minimize park development costs. 2. The Commission has previously looked at this parcel for open space preservation. The Commission may want to consider acquisition of property for this purpose. The Commission recognizes that some of the proposed parkland is likely to remain open regardless of the City's final decision as to whether to acquire it for parks given that it is likely to be preserved through tree preservation and/or wetland preservation standards. ell- TREE PRESERVATION The following is a tree preservation summary calculated from the revised plan submitted September 9, 1996. This item was originally presented at the August APRNRC meeting. Tree preservation changes with this revised plan have resulted from the following actions: a. realignment of Johnny Cake Ridge Road, b. alteration of grading limits, c. introduction of proposed parkland within the development, d. shifting of culdesac locations, e. alteration of building pad locations, and f. recount of existing trees on site (trees within Johnny Cake Road right-of-way not included, and the exclusion of storm damage trees). Significant Vegetation The submitted revised Tree Preservation Plan indicates that there are 1,052 significant trees on the site. The development as proposed will likely result in the removal of 434 trees (41.3% of the total). Details of this removal percentage are provided below. Multi-Unit Residential (Allowable removal for single-phase development = 47.5%) Trees to be removed = 207 (50% of total) Trees to be preserved = ZU (50% of total) Total existing trees = 413 Single Family Residential (Allowable removal for single-phase development = 40.0%) Trees to be removed = 217 (34.0% of total) Trees probably preserved = 19 (3.0% of total) Trees to be preserved = 4 (63.0% of total) Total existing trees = 639 Utility Installation (Storm Sewer Construction) Trees likely to be removed = 10 (1.0% of the total) Total Site Data Trees to be removed = 434 (41.3%) Trees to be preserved = nil (58.7%) Total existing trees = 1052 The developer is proposing to prepare the entire site at one time, with the exception of some custom grading on the single family residential lots. Staff has calculated an average allowable removal for this entire site based upon a 40.0% allowable removal for single family residential development and a 47.5% allowable removal for multi-unit residential development. The resulting average allowable removal is set at 43.75%. With a proposed significant tree removal for the entire site not exceeding the allowable limit, there is no tree mitigation. Additional Concerns Staff is recommending that the storm water drainage system which runs from the low area in the north part of the single family development area through the proposed "hockey rink" parking lot to drainage pond BP-3 be raised in elevation and redirected through single family lots 5 and 6 and between Clubhouses 25 and 26. This raising and redirection should result in the avoidance of additional significant tree removal in both the large preserved area within the single family development and in the significant spruce and hardwood stand south of drainage pond BP-3. It is likely, however, that approximately 10 significant trees will be removed through construction of storm drainage systems throughout the remainder of the site. This tree removal is mentioned in the table above. Staff is also recommending that the developer work with the city in attempts to preserve additional significant trees located in areas within construction limits. These areas would generally be located in front of the "coved lots", on or near property lines, or along road right-of-ways where there will be minimal grade changes. Field reviews are recommended after roads are staked and prior to any grading or tree removal to identify any significant tree which could possibly be preserved. WATER QUALITY/WETLANDS Water quality This development will generate runoff that will reach Blackhawk Lake a short distance downstream. Blackhawk Lake is one of seven Class I direct contact recreation water bodies identified in the City's water quality management plan and is the City's second highest priority for long-term enhancement of water quality. Because of the size of the development and the existence of a high priority recreational water body downstream, staff recommends that on-site ponding be the primary means of meeting water quality mitigation obligations. As per staff request, a large constructed ponding area (Pond BP-35) in the southwest area of the site will be used to treat runoff from over half of the development. The north-central and eastern portion of the site will drain to the north, and staff has directed the developer to construct a detention basin to treat this runoff prior to discharge off the site. In the most recent set of plans, the detention basin is too small to provide the high level of treatment required to meet non-degradation standards for Blackhawk Lake. Whether the pond can be expanded will depend on whether the proposed park area to the west on this pond remains a part of the development. If the area is not needed for a developed park facility, staff recommend that this detention basin be increased in size and volume to improve the pollutant removal efficiency of the pond. Even with the expansion of Pond BP-3, modeling indicates that a slight degradation of water quality in Blackhawk Lake will occur. Rather than require the significant increase in on-site ponding that would be necessary to fully meet the non-degradation standard for Blackhawk Lake, staff recommends a supplemental cash dedication to meet mitigation requirements. The cash dedication would be higher if pond BP-3 cannot be expanded over that proposed. This dedication would be used to off-set costs of in-lake treatment measures to protect water quality in Blackhawk Lake. Wetlands The wetland survey for this site identifies five wetland basins totaling 3.3 acres. Four of the basins are natural wetland basins, while the fifth-designated Pond BP-35 in the City's storm water management plan-has been significantly modified. Staff has requested that the developer avoid direct discharge of runoff from impervious surfaces to the four natural wetland basins, and the developer has accommodated this recommendation. The developer is proposing a partial fill of a small Type 2 wetland in the northwest portion of the site. The Wetland Conservation Act allows filling of up to 2,000 square feet of wetlands of this type before mitigation is required. The developer has indicated that the area filled will not exceed this figure, though the grading plan dated August 30, 1996 shows a fill of approximately 3,000 square feet. None of the other wetlands would be filled or drained under the current development proposal. Finally, with two exceptions, the grading plan shows ungraded buffers around the four natural wetland basins that range from 30 to over 300 feet in width. One exception is an area around the southern end of the wetland basin BP-3.4, where a proposed road would come within about 15 feet of the wetland edge. The other is associated with the fill proposed for wetland basin BP-3.3. It should also be noted that wetland units associated with Ponds BP- 3.4 and BP-3.3 will be part of a proposed natural corridor in the western area of the parcel and that the wetland unit associated with Pond BP-25 and BP-25.1 will be part of a larger environmental corridor in the southern and eastern portion. Advisory Parks, Recreation and Natural Resources Commission Minutes of September 16, 1996 Meeting Page 2 DEVELOPMENT PROPOSALS ROLLING OAKS - PULTE HOMES Following a brief introduction by Director Vraa, Senior Planner Ridley noted that this item was addressed at the August Advisory Commission meeting at which time it was deferred to the Natural Resources and Land Acquisition Subcommittees. The primary change since the Commission's last review was the exclusion of a five acre parcel in the northeast portion of the site where a home is currently located. The developer has not been able to acquire the property at this time, thus the development has been reduced to 116 acres. This results in a decrease of units from 523 to 502, Ridley added. Director Vraa provided the Commission with the background and history of this site noting that the existing Deerwood Elementary School was once the identified location for a park in Service District #21 which is bounded by 35E, Pilot Knob Road and Diffley Road. Having the district split by Deerwood and now Johnny Cake Ridge Road, creates limited population thresholds in each of these smaller areas. When Deerwood Elementary was sited, the City was still hopeful of developing a neighborhood park adjacent to the school as has been done with other school/park sites. When the middle school was sited next to the elementary school, interest in a neighborhood park all but disappeared since most recreation amenities were being provided by the two schools. The uncertainty of a park in this service district continued even to the extent that the most recent Park System Plan update mentions the possibility of only a neighborhood commons or neighborhood park of 4-6 acres in size. Director Vraa added that a development at this site had been reviewed several months earlier at which time the Commission recommended a cash parks dedication and cash trails dedication. The developer presented two proposed parcels for parkland consideration. A 4.32 acre site located in the east central region of the site. Although scenic, the majority of the proposed dedication site contains steep topography and wetlands which would be difficult to provide trail access. The second is a 11.91 acre parcel that abuts 35E to the west and the water tower just south of Deerwood. This heavily wooded parcel also has steep slopes up to 33%. Two wetlands are located on the west and north sides of this proposed park dedication. Vraa continued that the subcommittees looked at all the options proposed by the developer for proposed park dedication and felt that even if a portion of the land could be used for park purposes, there was concern about placing a park in an area where there are several existing parks with amenities that could support this neighborhood. Director Vraa concluded stating that the Commission could look at a cash parks and trails dedication, look at a land dedication and consider what options should be considered for that site, or suggest another parcel of land within the site for parks dedication. Coordinator Brasch noted that the construction of a basin in the north central location of the site would be impacted based on parks dedication. The north-central and eastern portion of the site will drain to the north and staff has directed the developer to construct a detention basin to treat this runoff prior to discharge off the site. In the most recent set of plans, the detention basin is too small to provide the high level of treatment required to meet non-degradation standards for Blackhawk Lake. Whether the pond can be expanded will depend on whether the proposed park area to the west of this pond remains a part of the development. If the area is not needed for a developed par facility, staff recommends that this detention basin be increased in size and volume to improve the pollutant removal efficiency of the pond. Rather than require the significant increase in on-site ponding that would be necessary to fully meet the non-degradation standard for Blackhawk Lake, staff recommends a supplemental cash dedication to meet mitigation requirements. The cash dedication would be higher if pond BP-3 cannot be expanded over that proposed. This dedication would be used to off-set costs of in-lake treatment measures to protect water quality in Blackhawk Lake. Forestry Supervisory Hove noted the tree preservation changes with the revised plan resulted from the realignment of Johnny Cake Ridge Road, alteration of grading limits, introduction of proposed parkland within the development, shifting of cul-de-sac locations, alteration of building pad locations and recount of existing trees on site (trees within Johnny Cake Ridge Road right-of-way not included, and the exclusion of storm damage trees). With the developers proposed significant tree removal for the entire site not exceeding the allowable limit, there is not tree mitigation, Hove concluded. Member Szott asked about the 5 acre exception to this plat. Director Vraa stated that the property is privately owned and has been withdrawn from the original proposed site, however it was left in the plan to show what the potential development could be on the exception were it to be developed later. Member Rudolph asked how many units were expected to be built with and without the exception parcel. Senior Planner Ridley responded there were 502 proposed without the exception and 523 with the exception. 2J. Advisory Parks, Recreation and Natural Resources Commission Minutes of September 16, 1996 Meeting Page 3 Member Petersen asked what kind of slopes were on the 4.32 acre proposed park. Director Vraa explained that it was very steep on the north end of the site and also on the south side which would make it difficult to place a trail around the wetland. Consideration may be given to bringing a trail from the south, however. Member Petersen clarified that a trail would be one of the only options on the 4.32 acre parcel. Gary Grant, Pulte Homes addressed the Commission stating they were looking forward to providing a good project in this area. He noted that the density is lower than what this property is zoned for and they have worked very hard to adjust the plan to preserve trees on site. It is anticipated that this neighborhood will have approximately 140 children living in it and Pulse feels that is a large enough number to warrant recreational amenities. Mr. Grant shared the breakdown of the multiple family "pods" noting that the architecture, color and finishes will be different in each of the 17 "pods". The single family homes will be custom graded lots and Pulte is committed to saving as many trees as possible. In closing, Mr. Grant reiterated that there are enough occupants in this neighborhood to substantiate a park. Dennis Griswold, Landscape Architect representing Pulte Homes identified several key points from Pulte's perspective. This is one of the largest sites left in the City and they feel it's important to provide varied products on this parcel to create a diverse community. With that they want to provide parkland for the residents of this community which would accent the existing active space at the school. Pulse feels that facilities for younger children are needed along with walking paths and a connection to the school. They feel that these amenities will also benefit the residents to the east of the elementary and middle school as well. Mr. Griswold also noted that the playground at the school may not be available during the school year day and felt that the City may be relying too heavily on school facilities used primarily for organized play. The developer is hopeful that recreational amenities can be incorporated within this neighborhood because it will be bounded by busy roads. Member Markell asked about the accessibility from the street on the southeast portion of the site. Mr. Griswold stated they would look at the high water level to see what options may be possible. Member Vincent opined that the proposed land to be dedicated for park on this site is not closer for many of the residents than the school facilities. Mr. Griswold responded that although location may be an issue, having facilities within the development that would accent existing facilities would be of great benefit to the users. Member Vincent opined that open space would be more appealing and would prefer seeing passive use in this area since active space already exists close by. Vincent added that the question is whether there is a need for a park at this site since many other parks currently exist. Mr. Grant responded that many children cannot go to a park without their parents and they want to provide amenities that are within walking distance. Member Vincent stated that he was not motivated to accept land for park dedication and preferred a cash dedication to be used in an area where the need may be greater. Member Petersen noted that with the larger tract of proposed park land it could be left open to allow for natural trails at a later date. The small parcel, however, did not appear to have much usable value for parkland. Member Rudolph noted that there are several parks nearby with existing amenities. He expressed his concern for developing facilities on the larger parcel as proposed by Pulte because of the future need for parking which may change the "cozy playground" amenity the developer is hoping to create. Rudolph concluded that a park dedication on this site was not desirable and preferred a cash dedication. Mr. Grant asked if the Commission would consider a partial park dedication for 4 acres for a potential skating area/parking lot off Johnny Cake Ridge Road. This could be a fairly flat parcel that would allow for some park amenities. Member Vincent felt that the slopes may prohibit a parking lot in the area being designated and opined that this would be shoehorning the site. Vincent added that the developer may want to consider providing a play area on the site if they feel there is a need. Member Szott opined that the four acre site was essentially a private park for the lots that surround it. With respect to the larger parcel proposed for winter amenities, Szott stated that although the intention is good, it may be cost prohibitive to provide some of the amenities proposed given there are many of the same facilities within the'/ mile radius of this site. Director Vraa responded to the question relative to accepting a portion of the larger parcel for parks dedication by stating that although staff has not assessed that option, a recreational amenity such as frisbee golf may be something to consider. This would provide an opportunity for a facility not found in any of the other parks. The question was raised by some Commission Members as to the amount of interest this might generate within the community and could result in an adverse situation for the neighborhood. ,Q Advisory Parks, Recreation and Natural Resources Commission Minutes of September 16, 1996 Meeting Page 4 Member Petersen and Markell suggested looking at the option of different park dedication layouts or consider other options to provide preservation of some of the land. Member Thompson opined that the City needs to get the most bang for their buck and supported a cash dedication. Mr. Grant noted that if the Advisory Commission was sincerely interested in accepting a parkland dedication in lieu of cash, they would look at some type of reconfiguration, however, if that is not the direction the Commission is headed, they would not expend any more time or resources to re-design the site. Member Markell asked what would happen to the land should it not be used for parks dedication. Mr. Grant responded that units may be placed on the area that is relatively flat, however, the steeper slopes would most likely be left as is. After further discussion. Michael Vincent moved and David Szott seconded a motion to make the following recommendations to the City Council relative to Rolling Hills - Pulte Homes: 1. This development shall be responsible for a cash parks and trails dedication. 2. The Tree Preservation Plan be approved as proposed with the following conditions: a. Tree Protective Measures (i.e. 4 foot polyethylene laminate safety netting) shall be installed at the Drip Line or at the perimeter of the Critical Root Zone, whichever is greater, of significant trees/woodlands to be preserved. b. The developer shall contact the City Forestry Division at least five day prior to the issuance of the grading permit to ensure compliance with the approved Tree Preservation Plan. c. The developer shall work with City Staff in an attempt to preserve additional significant trees located in areas within construction limits. Field reviews are recommended after roads are located and staked and prior to any grading or tree removal to identify any significant trees which could be preserved. 3. The developer shall raise and redirect the storm water drainage system (which is proposed to flow from the low area in the north vicinity of the single family development area to drainage Pond BP-3) to a new location running between single family lots 5 and 6 and between clubhouse lots 25 and 26. 4. Acknowledge that a performance guarantee will be required for this development. The amount of the performance guarantee will be calculated by City Staff following installation of the tree protection fence. (The amount of the performance guarantee will be calculated utilizing the total diameter inches of significant trees intended to be preserved within fifteen feet. of the grading limits). The performance guarantee will be collected as part of the Development Contract at the time of final plat approval. 5. An Individual Lot Tree Preservation Plan will be required for all single family residential lots with significant trees or woodlands remaining on them at the time of building permit application. 6. On-site ponding shall be the principle means of meeting water quality mitigation requirements. 7. Bond BP-3 shall be enlarged and constructed as a two-cell system, if possible. Those voting Aye: Randall Ahern, Michael Vincent, David Szott, Steve Thompson, and John Rudolph. Those voting Nay: Lee Markell and Daryle Petersen. The motion passed. PLD BUSINESS MOSQUITO CONTROL UPDATE Dave French and Jim Stark of the Metropolitan Mosquito Control Agency were present to provide the Commission with a yearly update of their program in Eagan. Dave French began by stating that there was a 26% budget decrease from 1995 which resulted in the loss of 1.5 regular full time staff members. Also as a result of the budget cuts, the MMCA is moving away from methoprene briquets and using pellets and liquid. *1. -city of eagan MEMO TO: ADVISORY PARKS COMMISSION FROM: KEN VRAA, DIRECTOR OF PARKS AND RECREATION DATE: MAY 6, 1997 RE: SPRINGBROOK CORPORATION - MURPHY FARM ISSUE To make recommendations regarding the Springbrook Corporation's development proposal for the Murphy Farm addition; specifically a trail from this development to Blackhawk Park. BACKGROUND At their April meeting, the Commission discussed a possible trail connection to Blackhawk Park. This issue was deferred to the Acquisition/Development sub- committee for review. Also refered to the committee was the question of additional acquisition of lots that overlook the park to mitigate a visual impact for park visitors. The sub-committee met on Monday, April 21. RECOMMENDATIONS After reviewing possible trail connections, the sub-committee determined that it was feasible to have a trail constructed between lots 13 and 14 and for that trail to continue through the park, connecting at a point where the current overlook Is now in place. Between the homes and the overlook, a relatively flat grade follows a steady contour where the path could go. This would be a soft surface path. The area between lots 13 and 14 would provide a 20 foot wide easement with a six foot wide bituminous surface extending to the park's boundary. In reviewing the land acquisition issue, the sub-committee determined that additional landscaping in the rear yards of the homes on lots 13-17 would help mitigate the issue visual intrusion for park users. They also concluded that acquisition would be cost prohibitive. The discussion did help focus the need to be cautious with development of the remaining parcel, particularly that there not be any access to the development from the park entrance road. Incidental to the review, the committee suggested that staff look at the possibility of reshaping the storm water holding pond south of the park access road. Staff will be reviewing this as it relates to wetland configuration and engineering needs. 13 FOR COMMISSION ACTION To recommend the approve of the Murphy Farm addition subject to the following conditions: 1. This development shall be subject to a land dedication of Outlot A and Oudot B which will fulfill the parks dedication for the 22 acre site currently proposed and the remaining 13.5 acres not proposed for development at this time. 2. This 22 acre development shall be responsible for a cash trails dedication. 3. The developer shall provide a 20 foot wide trail easement between lots 13 and 14 for the installation of a 6 foot wide bituminous trail. 4. The Tree Preservation Plan shall be approved as proposed with the following conditions: • The applicant shall install 7 Category B trees as mitigation for significant tree removal in excess of allowable limits. • The applicant shall comply with the prepared grading and site reclamation conditions resulting from encroachment into Blackhawk Park. • The applicant shall create and implement a Conservation Easement protecting the significant woodland located in Lots 15 through 19 of Block 2. 5. The applicant shall revise their landscape plan as follows: • A portion of the proposed screen planting stock should be shifted to the area behind Lots 12 through 19 of Block 2 to protect a soft buffer edge between the residential lots and Blackhawk Park. Screen planting species in these areas should include only those species which are native to the Blackhawk Park area. Acceptable species include oak, ash, birch, black cherry, elm, and red cedar trees. • Boulevard planting locations should be revised and changed from the formal, evenly spaced pattern to a more natural, clustered pattern which strategically places vegetation in areas that will both benefit the future residences (i.e. screen headlights) and will also provide more optimal growing conditions for the installed plant material. 6. Tree Protective measures (i.e. 4 foot polyethylene laminate safety netting) shall be installed at the drip line or at the perimeter of the critical root zone, whichever is greater, of significant trees/woodlands to be preserved. 7. The applicant shall contact the City Forestry Division at least five days prior to the issuance of the grading permit to ensure compliance with the approved Tree Preservation Plan. 8. Water quality mitigation requirements shall be met through construction of on-site ponding. Skimmers should be installed on both pond outlets and the design of the ponds must be approved by the water resources coordinator. 9. The jurisdictional status of the low area in the northeastern corner of the site should be determined when field conditions permit. If the area is determined to contain a wetland, no draining or filling of the wetland is allowed. 44. of eagan MEMO Ak.Pl TO: ADVISORY PARKS COMMISSION FROM: KEN VRAA, DIRECTOR OF PARKS AND RECREATION DATE: MAY 6, 1997 RE: EAGANDALE CORPORATE CENTER NO. 2 MAPLEWOOD ACRES, INC. ISSUE To make a recommendation in regards to the conditions of plat approval concerning the Eagandale Corp. Center No. 2 BACKGROUND The Advisory Commission reviewed this development at its April meeting, however because of a number of unanswered questions regarding tree preservation and water quality mitigation, the item was referred to the Natural Resources sub-committee for additional review. The sub-committee met on April 22 with the developer's representative. MEETING OUTCOME Regarding wetlands and water quality, the sub-committee is in agreement that It would be permissible to allow water detention in a wetland as identified In the staff report. Condition number six has been changed from the original conditions of April 14th to reflect the need to increase the wet pond volume by .5 acre feet for a total of 2.5 acre feet. Regarding tree preservation, the committee compared the original tree preservation plan with the current proposal. While there were changes made, it appeared that new tree loss under this plan was balanced by additional trees that would be persevered. In addition, the developer was moving forward with the relocation of smaller trees from interior locations to the area along Yankee Doodle Road. The committee noted that the developer had not placed any tree protective measures around the trees to be saved. The developer stated he would see to it that these areas would be marked for preservation. Attached are the conditions as outlined In the April 14 staff report as recommendations for conditions for this plat. 4S. FOR COMMISSION APPROVAL To recommend approval of the Eagandale Corporate Center No 2. with the following conditions: 1. This development shall be responsible for a cash parks dedication. 2. This development shall be responsible for a cash trails dedication. 3. The Tree Preservation Plan shall be approved as proposed with the following conditions: • Tree preservation mitigtion shall be met through the implementation of perimeter plantings (staff will work with the applicant to determine final tree mitigation amounts) along Yankee Doodle Road and around pond areas in accordance with the proposed phasing as described below: Phase I : Tree spading transplanting of material from within proposed grading areas of the site to areas outside of future grade limits (April/May 1997) Phase II: Additional tree spade transplanting of material from within the site plus purchased landscape material installation. (October, 1997) Phase Iii: The installation of purchased trees and shrubs. (April/May, 1998) 4. Tree Protective Measures (i.e. 4 foot polyethylene laminate safety netting) shall be installed at the Drip Line or at the perimeter of the Critical Root Zone, whichever Is greater, of significant trees/woodlands to be preserved. 5. The applicant shall contact the City Forestry Division at least five days prior to the issuance of the grading permit to ensure compliance with the approved Tree Preservation Plan. 6. Pond EP-2.6 (constructed detention basin) and Pond EP-2.5 (existing wetland) must provide a minimum of 2.5 acre feet of additional wet volume in total to achieve acceptable treatment of storm water. The minimum mean depth of Pond EP-2.6 must be 3 feet. The increase in wet volume I the existing wetland must be accomplished by excavation in the northern two-thirds of the wetland. 7. Pond EP-2.7 (constructed detention basin) and Pond EP-2.4 (existing wetland) must provide a minimum 3 acre feet of additional wet volume in total to achieve acceptable treatment of storm water. The minimum mean depth of Pond EP-2.7 must be 3 feet. The Increase in wet volume in the existing wetland must be accomplished by excavation In the southeastern two-thirds of the wetland. 8. Skimmers should be placed on the outlets of Ponds EP-2.6 and EP-2.7. 9. The developer is required to notify and secure approval from the Corps of Engineers regarding the Nationwide 26 wetland permit, since the original application for the site did not include proposals for wetland excavation. 10. No grading should be allowed within 30 feet of the delineated edge of the wetland associated with Pond DP- 11, except for 450 lineal feet along the south end of the basin to allow for road and detention basin/replacement wetland construction. A 30 foot wide undisturbed buffer shall also be preserved around the wetlands associated with Ponds EP- 2.4 and EP-2.5. Buffers shall be marked on all grading plans. 1 1. Construction of Ponds P-11.3 and DP-11.2 should be constructed to satisfy requirements for wetland mitigation as per the approved wetland replacement planned for this site. 7IG'. MEMO city of eagan DATE: MAY 5, 1997 TO: ADVISORY PARKS COMMISSION FROM: KEN VRAA, DIRECTOR OF PARKS AND RECREATION DOROTHY PETERSON, SUPERINTENDENT OF RECREATION SUBJECT: ANDERSON PARCEL; NATURAL AND SCENIC GRANT FOR COMMISSION ACTION To recommend to the City Council that the City notify the Department of Natural Resources that it is unable to reach closure on the Anderson parcel within the grant time frame thereby releasing the funding to other grant applicants. (Note: This does not preclude the opportunity to reapply at a later date.) OR Recommend to the City or Council to continue to pursue acquisition based on currently known factors. FACTS • The 7.5 acres for which the grant was written are no longer available for acquisition. • The Anderson's are in the process of preparing a development proposal for the parcel. Timing of that proposal being brought forward is uncertain. (See attachment) • In the event that the proposal receives all necessary approvals from the City and County; the City would receive approximately one acre of land via park dedication. • An outlet of I acre is shown and reflects this park land dedication. • An outlot of 1.86 acres would be designated for purchase. • The Anderson's have indicated an asking price of $63,000 for the 1.86 acre piece, based on a sale to a developer for the entire site. • The City's appraiser valued the Anderson parcel at $25,000 per acre which equals $46,000 for 1.86 acre. • The Natural and Scenic Grant is for $26,900. • $36,100 of Park Site Fund money would be required to finalize the purchase at asking price. • May 31, 1997 is the "drop dead" date with the DNR that is, proceed or release the funds. • The grant application will require reworking and a new appraisal due to the changed acreage. • Funds must be expended by November 1, 1997. 41. FOR DISCUSSION The Commission should discuss whether the 1.86 acres, as shown, are important to the park system. And, if the asking price, the previous appraisal value or a new appraisal based on the 1.86 acres should reflect the price/offer because the size and exact location of the parcel have changed from the original grant. (It's likely a new appraisal will be required by the state). This property is at a lower elevation than that which is proposed for development and would be more expensive to develop for homes, (individual lift station for sewer). Theoretically, that means this parcel has less value of most importance for the Commission is to determine the purpose/value of the property to the park. Another issue, although not directly associated with the question of acquisition of this parcel, is that for the development to occur, sanitary sewer will have to cross park property from the Methodist Church which is to the north. The sanitary sewer location could have an effect on future development plans for Patrick Eagan Park. Mr. Anderson has not yet made an application for sub-division. Staff has some concern for being able to consummate this transaction by the November 1 deadline unless this process is initiated next month. An application submitted then would appear on the July Planning Commission and the City Council's second meeting in August. FOR COMMISSION ACTION To recommend a course of action to the City Council which might be: 1) Recommend acquisition of the parcel as identified at the asking price. 2) Recommend acquisition of the parcel at a price determined by a new appraisal; or counter offer. 3) Recommend no acquisition; and return grant. Note: Commission members may want to visit the site individually prior to the meeting. You can best access the area by parking your vehicle in the parking area at Patrick Eagan Park off Lexington. CiI3/=kM. pmoeL4. 9g. CIL 00, W a z 435 ,T ? x J I V,~, u+ x - I\ \ Q / ADO 4 \ 410-1 city of eagan MEMO TO: ADVISORY PARKS COMMISSION FROM: KEN VRAA, DIRECTOR OF PARKS AND RECREATION DATE: MAY 8, 1997 RE: CITY OWNED RESIDENCES, MCCARTHY HOUSE ISSUE The use and/or disposition of residential properties owned by the City of Eagan, in particular the recently acquired McCarthy house. BACKGROUND/HISTORY OF PROPERTIES The City of Eagan currently owns three residential properties each of which contain a habitable structure. The properties are contiguous with park areas and were acquired to provide continuity of the boundaries and allow for potential expansion of the parks. Proyerty #1 - 1200 Deerwood Drive (Patrick Eagan Park) The property is located at the eastern terminus of Deerwood Drive on the shore of McCarthy Lake. The residence is a single level, ranch style home constructed in the 1950's/60's. The open design of the home was considered to be innovative for that time period. A detached garage is in fair to poor condition. When the home was first acquired by the City in the late 1970's a City staff person was allowed to occupy the house for the purpose of surveillance and security. The house was then rented to a variety of non-staff tenants. The term of the lease has ranged from 6 months to 12 months. The current lease was renewed in January of 1997 and will expire on December 31, 1997. The lease rate for 1997 has been set at $635.00 a month. Under the terms of the lease, the lessee is required to: - maintain an adequate level of salt in the water softener - mow the lawn area - contract for trash collection - contract for plowing of the driveway provide insurance covering the contents pay all utility costs with the exception of fuel oil Under the terms of the lease, the lessor (City) is required to: - make necessary repairs or improvements - pay the cost of fuel oil - pay the cost of pumping the sanitary holding tanks During the years the City has leased the property it has expended nearly $20,000. Approximately 50% of the expenditures have been for the purchase of fuel oil and maintenance of the sanitary system. The balance of the costs are associated with the repairs, replacement or upgrading of antiquated internal systems or fixtures. The structural integrity of the house remains adequate. Earlier plans for the structure include Its possible use as a retreat center, instruction center, caretakers residence; all associated with the development and use of Patrick Eagan Park. Property #2 - 620 Cliff Road (Holz Farm) The property is located on the south side of Cliff Road, west of Highway 3, on the shore of Manor Lake. The residence is a small single Ievel home constructed in the 1960's. The small detached garage Is in poor to fair condition. The City took possession of the property In 1996. Approximately $3,500 of repairs, improvements and cleaning were completed prior to it being leased to the current tenant in January of 1997. The lease expires December 31, 1997. The lease rate for the term of the current lease is $750 a month. Under the terms of the lease, the lessee is required to: pay the cost of all utility services mow and maintain the designated lawn area - arrange for trash collection and removal - clear snow from the driveway and walks be responsible for the cost and replacement of the disposable components/elements of the household systems (light bulbs, filters, etc.) - monitor the use of the adjacent park property on an occasional basis - provide content insurance Under the terms of the lease, the lessor (City) is required to: - provide a $250.00 redecorating allowance for approved cosmetic improvements Property #3 - 3981 Lexington Avenue (Patrick Eagan Park) The property is located on the west side of Lexington Avenue contiguous with Patrick Eagan Park. The residence shares a common driveway access with the eastern entrance to Patrick Eagan Park. The residence is a single level ranch style home constructed in 1971. It has an attached double garage. A detached storage shed located west of the residence Is in very poor condition. The City has previously acquired the property under a "life estate" agreement In 1991. The agreement allowed the owner, Lillian McCarthy, to use and occupy the property as long as she was able. Mrs. McCarthy passed away this past winter while still residing at the home. The City has allowed a daughter and her husband, who had cared for Mrs. McCarthy, continued use of the house until May 31, 1997. During the transitional period they are responsible for removing all household contents and payment of the first half of the 1997 real estate taxes. As of June 1, 1997 the City will take possession of the property. DISCUSSION The City acquired the residential parcels described here within for park purposes. They were identified as parcels that would add to, or benefit the adjacent park. The primary value of the parcels to the City is in the land; however, each Included a residence. A variety of concepts for the use of each of the residences have been discussed. The concepts for use have ranged from interpretive centers to caretaker's residence or simple storage facilities. Because master planning for Holz Farm and Patrick Eagan Parks remains as an ongoing, fluid process, no definitive decisions have been made. The gradual deterioration of any structure is Inevitable. Most homes are constructed In such a manner that significant repairs, modification or replacements are necessary every 20-30 years. The same can be said for the household systems Including plumbing, eating and electrical. When the time arrives, the owner of a house must make a cost benefit decision and consider options for the future. Commonly considered options may include selling the property and/or structures, renting or living with the consequences. All three residences currently owned by the City fall within the 20-30+ year category. As might be predicted, each has required or is In need of repair. The magnitude and cost of the needed or completed repairs vary. Because the Deerwood House and Holz House (Parcels 1 812) have been used as rental properties, the City is obligated to maintain the structure according to the standards prescribed by the applicable codes and statutes. Prior to allowing tenants to occupy each, the City completed a variety of repairs, replacements or upgrades. Additional work is completed on an as-needed basis. The Holz House (Parcel #2) is in need of exterior painting and/or significant repairs/replacement ($1,400/$3,800). McCarthy House City staff conducted a "walk through" examination of the City's most recent acquisition, the McCarthy House (Parcel #3), on April 22nd. During the walk through, staff was able to talk with family members to gain additional insight into maintenance and operational history of the house. The house has about 1,200 square feet, two bedrooms, 1 '/z bathrooms, and unfinished basement. (See attached floor plan.) Based upon the walk through and resident conversation, staff has identified the following needs/deficiencies which would require attention. The assessment was made using the basic standards the City has established for the leasing of the property to a tenant. Intermediate Need Estimated Cost Painting walls and ceilings $1,200 Cleaning carpets 300 Purchase stove and refrigerator 1,000 Purchase water conditioning system 1,000 *NOTE: The residents to not use the well water for washing clothes or drinking. They report that the well is very "sour" and mineral laden. Conditioners have previously been installed but have failed within 6-12 months. (Alternate - connect to City water, $3,500+) Install new outside locks 60 Repair water damage to living room ceiling 500 (insulation or ventilation) Pumping septic tanks (annual) 100 Demolish and dispose of shed 250 ESTIMATED TOTAL $4,410 ($6,910) Imminent Estimated Cost Replace original windows (26 years) $3,000 Replace original shingles (26 years) 2,500 + Replace carpet and flooring 1,000 + Replace original gas or oil furnace (26 years) 1,000 + Garage door replacement 500 ESTIMATED TOTAL $8,000 + TOTAL ESTIMATED REPAIR/REPLACEMENT/MAINTENANCE: $12,400 - 15,500 ~3 ALTERNATIVES FOR CONSIDERATION 1. Expend the money required to make the necessary repairs and lease the property to a tenant. This alternative assumes that the structure will have value to the park system at either its current location or if moved to another site. Considerable time is required to serve as a "landlord". 2. Offer the structure for sale with the stipulation that the new owner remove the structure from the site. Similar residential structures will typically sell for $5,000 - $ 10,000 "as is" if an off-site move is required. An expenditure by the City may be required to seal the well ($500), though it may prove useful as a water source for the adjacent and/or expanded City tree nursery. 3. Leave the building vacant on the site. Since vacant buildings are inherently subject to vandalism, careful consideration should be given before suggesting this option. 4. Other: • City storage • Fire training If the Commission believes the house has a useful function in the future of Patrick Eagan Park, additional investment and repairs may be worth the costs. If the view is that the house has no long term value for the park system, then any investment may be questionable. Rental of the house is likely to be less than the Richard Holz house, perhaps in the $600-625 per month range. A two year lease would generate an estimated gross income of $14,400 (24 months x $600), less 1 /3 for tax equivalent for a net of $9,600. From that amount, miscellaneous expenses incurred during the term of the lease would be deducted. FOR COMMISSION ACTION To review the alternatives and prepare a recommendation(s) to the City Council regarding the disposition of the Lillian McCarthy house. R8/kv57.97 35-60 Fill I I 1F ALi i ..j 74 3 . ivI o' S o 0 O v cO ao LJ Ls3aJ a30inoe t -i8 1J s,- U d a OMLSV3 w31SAS lY •d•J ,n 3lN3H , OO ""S A 3mrl DRIVE b0 NT 'MIN 7~y1a1 N g~ O~ylr~ HDL 4 ~ r ~ '1J 31!01 1S 3r °r 53wrH 3~~ & HlarO# ~ls~g ~ A, ,~P A V AaY1B5 VH r _"b~! lN3B I~ 2 .T• j A ® ab _ \ CIS \ 0 S3wv r r y ~o fit' 3 < ® o\~. v 'aIJ GT. •rj. ~ ~ \ 4 IrW a31OH401 3M r. ja W IN SO 4 11 I~~ jm m Ovou z 0000 Ji 3MV M3Na3- 'ab z < r~ 0000 3n YN P[ LE r J U V J N~ ti S S 9 ,I~7y 0 IC U ~u '15 dnbbus ` z L~ , I B ~ df' •y AYy~'~r9 S V 1 , N31 lr DJ J v f,0. 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'a0 c~ o_ dviJ y~ A r Ate- .y,T'~ avn ST$ A,MaIVj O '1 N. 5 S W1 'oa `d' > d01 ~ ` 'al s$ S arrN m ~ f ~3 At 6 W Y7 30aV9 t ? a 31S J 1 Y,L 101d ) - - - - - 80NM LOId gy a u - _ y~~c~ Q r} s W~ (~Y" N u kr , i b t RWOOD I~c~ ,y 'F~ I j -v a < LJ aJ Y1 oa Vl ~ aarH ~?a 3 3dJ b;e~ ~f}' 'Y~ 1 d W „b 2 Y ?v )tVl C N301VM v 80N1f ~~.y{ Z In f1 390 !C < y,1 IRY,~S*~~:7~. ~ a O ara -K ttC~3330. ~ )J ~ W r. .,,t ! ~ x ?mot C.J. Lilly Eagan Parks Fax #681-4612 Dear Mr. C.J. Lilly, I wanted to touch base with you on the condition of our neighborhood park Riverhills Park East that is located in the northwestern Eagan area. As you may be well aware, we are in need of some improvements. Our park was last upgraded in the mid-eighties. Our playground's continued heavy use along with its exposure to the elements has left the equipment in need of repair. The shrinkage of the wood over the years has left the bridge section as a dangerous place to play. Both ends of the bridge now have gapping areas on each side that a child may fall through and become injured. The lack of staining has caused the wood to be full of wood slivers that can be quite irritating to the kids. Our sand in the playground area needs to be replenished. This would also cut down on the weeds during t he summers months. Our busy basketball court could also use a new paint job on the backboard. As per our phone conversation of last spring we were one of the next parks in line to be upgraded if the money was available. I would appreciate if you checked in to the above and got back to me. We love our park and receive comments on it all of the time. Our family, along with most of the neighbors chose to move in this neighborhood because of the park. Dave Jackelen 4322 Medary Ave. Eagan, MN 55122 Djackelen@worldnet.att.net 890-5256 R-96% Dave Jackelen 05-01-97 07:14PM P001 #41