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PC SUM 2005 04 05 CHANHASSEN PLANNING COMMISSION REGULAR MEETING SUMMARY MINUTES APRIL 5, 2005 Chairman Sacchet called the meeting to order at 7:00 p.m. MEMBERS PRESENT: Uli Sacchet, Jerry McDonald, Dan Keefe, Debbie Larson, Mark Undestad, Kurt Papke and Deborah Zorn STAFF PRESENT: Kate Aanenson, Community Development Director; Bob Generous, Senior Planner; and Matt Saam, Assistant City Engineer PUBLIC PRESENT FOR ALL ITEMS: Janet & Jerry Paulsen 7305 Laredo Drive Debbie Lloyd 7302 Laredo Drive OATH OF OFFICE: Chairman Sacchet administered the Oath of Office to Mark Undestad and Deborah Zorn. ADOPTION OF PLANNING COMMISSION BYLAWS. Papke moved, McDonald seconded to adopt the Planning Commission Bylaws as presented. All voted in favor and the motion carried unanimously with a vote of 7 to 0. ELECTION OF CHAIR AND VICE-CHAIR. Papke moved, Keefe seconded to appoint Uli Sacchet as Chairman of the Chanhassen Planning Commission. All voted in favor except Sacchet and McDonald who abstained and the motion carried. Keefe moved, Papke seconded to appoint Jerry McDonald as Vice Chairman of the Planning Commission. All voted in favor and the motion carried. PUBLIC HEARING: REQUEST FOR LAND USE AMENDMENT FROM PARKS AND OPEN SPACE TO COMMERCIAL; SUBDIVISION APPROVAL FOR TWO LOTS AND SITE PLAN REVIEW WITH VARIANCES FOR A 12,500 SQUARE FOOT BUILDING FOR A WATER TREATMENT PLANT AND AN 8,100 SQUARE FOOT BACK WASH TANK, APPLICANT CITY OF CHANHASSEN, PLANNING CASE NO. 05-12. Public Present: Planning Commission Summary – April 5, 2005 Name Address Todd W. Perttu 203 ½ Chan View David Peters Briarwood Court Duane Day St. Cloud SEH Randal Leppala St. Paul SEH Bob Generous presented the staff report on this item. Commissioner Papke asked for clarification regarding the access on the west side of the property and pedestrian traffic circulation from the pedestrian bridge over Highway 5. He was concerned with how the water treatment plant would impact the route of the Dave Huffman 5K Memorial Run. Commissioner Papke asked the applicant’s architect, Duane Day to explain the view of the building’s roof. Commissioner McDonald asked the applicant to explain where the water treatment plant and road will be in conjunction with the circle drive that’s on the property today, to address the elevation change, what other uses could go on the property, and the size of the cul-de-sac. Commissioner Keefe asked for clarification of the parking requirements, odor, city monuments on this parcel and signage on the building. Chairman Sacchet asked staff to further clarify the city’s designation of parks and open space for this parcel, possible uses for the extra empty parcel, the size and location of the retaining wall, and access to the loading dock. Commissioner McDonald asked staff to explain how this site was chosen to locate the water treatment plant. Chairman Sacchet opened the public hearing. Todd Perttu who lives on the 200 block of Chan View expressed concern over the close proximity of the water treatment plant and that it will decrease the value of his house. He asked what kind of recourse he would have if there are problems with odors. Kate Aanenson suggested staff meet with Mr. Perttu to address his questions. David Peterson, Briarwood Court asked staff to address the question, if this facility would eliminate other facilities of this nature occurring in other parts of Chanhassen and if the proposed site could be increased in size so another water treatment plant would not be necessary. He was also concerned with noise. The public hearing was closed. After commission discussion the following motions were made. Papke moved, McDonald seconded that the Planning Commission recommends approval of the Land Use Amendment from Parks and Open Space to Commercial. All voted in favor and the motion carried unanimously with a vote of 7 to 0. Papke moved, McDonald seconded that the Planning Commission recommends approval of nd the preliminary plat for Gateway East 2 Addition creating two lots, one outlot and right- th of-way for West 79 Street, plans prepared by Hanson, Thorp, Pellinen, Olson, Inc. dated February 9, 2005, revised February 26, 2005, based on the findings of fact attached to this report and subject to the following conditions: 1. The applicant is required to meet the existing site runoff rates for the 10 year and 100 year, 24 hour storm events. The proposed pond must be designed to National Urban Runoff Program (NURP) standards. 2. The storm sewer must be designed for a 10 year, 24 hour storm event. Submit storm sewer sizing calculations and drainage map prior to final plat for staff review and approval. 2 Planning Commission Summary – April 5, 2005 3. Drainage and utility easements must be dedicated on the final plat over the public storm drainage system including ponds, drainage swales, and wetlands up to the 100 year flood level. The minimum easement width must be 20 feet wide. 4. An access easement for the benefit of Lot 2 shall be recorded across Lot 1. 5. Submit a separate site plan, grading/drainage/erosion control plan and utility plan. 6. Pedestrian ramps per City Detail Plate No. 5215 are required at the street crossing of the proposed trail. 7. On the grading plan: a. Show all existing and proposed easements. b. Show the benchmark used for the site survey. c. Show all proposed contour lines in bold. d. Show the emergency overflow elevation from the proposed pond. e. Show all proposed contours on the north side of the proposed trail and on Lot 2. f. Do not show the proposed sanitary/water lines on the grading plan. g. Show the proposed storm sewer to/from the pond. 8. On the site plan show the dimensions for street width, cul-de-sac radius, parking stalls, trail, etc. 9. On the utility plan: a. Show all existing and proposed utilities. b. Show the proposed rim and invert elevations for all sanitary and storm sewer. 10. The proposed retaining wall along the north side of the backwash tanks will require a building permit from the City’s Building Department. 11. Proposed erosion control must be developed in accordance with the City’s Best Management Practice Handbook (BMPH). Staff recommends that Type I silt fence be used along the entire south and west construction limits. A rock construction entrance, th per City Detail Plate No. 5301 must be added to the plans off of existing West 79 Street. In addition, tree preservation fencing must be installed at the limits of tree removal. All disturbed areas, as a result of construction, must be seeded and mulched or sodded immediately after grading to minimize erosion. Any off site grading will require an easement from the appropriate property owner. 12. All of the utility improvements are required to be constructed in accordance with the City of Chanhassen’s latest edition of Standard Specifications and Detail Plates. Detailed construction plans, including plan and profile drawings of the proposed utilities, are required to be submitted at the time of final plat. 13. Additional signage shall be installed alerting motorists to the blind approach near the existing Hanus Building just west of the site. 3 Planning Commission Summary – April 5, 2005 14. The applicant shall work with the watershed district to provide regional water quality infrastructure on this site. 15. The flow path and velocity of the water from the flared end sections to the storm water shall be evaluated. 16. A Storm Water Pollution Prevention Plan (SWPPP) encompassing an erosion and sediment control plan shall be developed for the site. 17. Temporary and permanent erosion control plans and details shall be developed. 18. Erosion control blanket shall be applied to the storm water pond and any disturbed areas between the flared end sections and the pond, as well as on any slopes greater than or equal to 3:1. 19. Energy dissipation shall be provided at the flared end sections. 20. All exposed soil areas shall have temporary erosion protection or permanent cover year round, according to the following table of slopes and time frames: Type of Slope Time Steeper than 3:1 7 days (Maximum time an area can 10:1 to 3:1 14 days remain open when the area Flatter than 10:1 21 days is not actively being worked.) These areas include constructed storm water management pond side slopes and any exposed soil areas with a positive slope to a storm water conveyance system, such as a curb and gutter system, storm sewer inlet, temporary or permanent drainage ditch or other natural or man made systems that discharge to a surface water. 21. Street cleaning of soil tracked onto public streets shall include daily street scraping and street sweeping as needed. 22. Inlet protection shall be provided following installation. Wimco-type inlet controls are recommended. th 23. A rock construction entrance shall be provided from the site to West 79 Street. 24. Chanhassen Type I silt fence shall be installed around the south and east sides of the site. 25. The applicant shall apply for and obtain permits from the appropriate regulatory agencies (e.g., Riley-Purgatory-Bluff Creek Watershed District, Minnesota Pollution Control Agency, Minnesota Department of Natural Resources (for dewatering), Minnesota Department of Health, Minnesota Department of Transportation), and comply with their conditions of approval. All voted in favor and the motion carried unanimously with a vote of 7 to 0. 4 Planning Commission Summary – April 5, 2005 Papke moved, McDonald seconded that the Planning Commission recommends approval of the Site Plan Review for a 12,500 square foot building for a water treatment plant and an nd 8,100 square foot back wash tank on Lot 1, Block 1, Gateway East 2 Addition, including the landscaping plan prepared by the applicant, based on the findings of fact attached to this report and subject to the following conditions: 1. Tree protection fencing will be required at the edge of grading limits in the southwest corner of the property prior to any grading. 2. Staff will coordinate the transplanting of any existing maples prior to construction. 3. City staff and the water treatment plant consultants will research and determine if alternative ground covers can be used over the underground tanks. 4. Where appropriate, seeding will replace sod with the exception of along the curb line, trails and adjacent to the building. 5. The building must be protected with an automatic fire sprinkler system. 6. The building plans must be prepared and signed by design professionals licensed in the State of Minnesota. 7. One accessible parking space with an access aisle must be provided. 8. The west wall of the building must be of one hour fire resistive construction as it is located less than 30 feet from the property line. Openings in this wall must be in accordance with the building code. 9. The building owner and/or their representatives shall meet with the Inspections Division to discuss plan review and permit procedures. 10. A site survey must be submitted in conjunction with the building permit application. All voted in favor and the motion carried unanimously with a vote of 7 to 0. PUBLIC HEARING: AMENDMENT TO CITY CODE, CHAPTER 20, SECTION 20-1564, BLUFF CREEK OVERLAY DISTRICT. Bob Generous presented the staff report on this item. Commissioner McDonald asked staff to clarify what the Planning Commission was being asked to consider. Chairman Sacchet asked a math question related to the setback requirements and then opened the public hearing. No one spoke and the public hearing was closed. 5 Planning Commission Summary – April 5, 2005 Keefe moved, Larson seconded that the Planning Commission recommends approval of the ordinance amending Bluff Creek Overlay District Section 20-1564. All voted in favor and the motion carried unanimously with a vote of 7 to 0. APPROVAL OF MINUTES: Commissioner Keefe noted the verbatim and summary minutes of the Planning Commission meeting dated March 15, 2005 as presented. Chairman Sacchet adjourned the Planning Commission meeting at 7:55 p.m. Submitted by Kate Aanenson Community Development Director Prepared by Nann Opheim 6