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25-08 Avienda Apartments PCPlanning Case #2025-08 Avienda Apartments Planning Commission – June 3, 2025 Scheduled City Council – June 23, 2025 Applicant: Inland Development Partners & Level 7 Development LLC Requesting approval of preliminary plat and site plan Location Zoning Designation: - Planned Unit Development (PUD) Land Use Designation: - Office/Commercial Communications •City Council Work Session on March 24th, 2025. •Neighborhood meeting held on March 25th, 2025. •Notice of Public Hearing mailed to all property owners within 500 feet. Avienda PUD Approved in 2020 768 – Units approved for entire Avienda Development in 2020. 39 – Detached townhomes approved. 53 – Rowhomes, final plat recorded. 412 – Apartment units proposed in this project. 264 – Additional Units that could still be built. Senior Housing Complex is no longer anticipated south of Bluff Creek Drive. Level of City Discretion in Decision- Making The city’s discretion in approving or denying a preliminary plat is limited to whether or not the proposed plat meets the standards outlined in the Subdivision Regulations and Zoning Ordinance. If it meets these standards, the city must approve the preliminary plat. This is a quasi-judicial decision. The city’s discretion in approving or denying a site plan is limited to whether or not the proposed project complies with zoning ordinance requirements. If it meets these standards, the city must then approve the site plan. This is a quasi-judicial decision. When considering a subdivision application, City Code directs the City to consider seven (7) aspects of the proposed subdivision. The seven (7) considerations and findings are as follows: a)The proposed subdivision is consistent with the zoning ordinance. Consideration met. b)The proposed subdivision is consistent with all applicable city, county and regional plans including but not limited to the City's Comprehensive Plan; Consideration met. c)The physical characteristics of the site, including but not limited to topography, soils, vegetation, susceptibility to erosion and siltation, susceptibility to flooding, and stormwater drainage are suitable for the proposed development; Consideration met. d)The proposed subdivision makes adequate provision for water supply, storm drainage, sewage disposal, streets, erosion control and all other improvements required by the subdivision ordinance; Consideration met. e)The proposed subdivision will not cause significant environmental damage subject to compliance with the conditions of approval; Consideration met. f)The proposed subdivision will not conflict with easements of record; Consideration met. g)The proposed subdivision is not premature. A subdivision is premature if any of the following exists: 1)Lack of adequate stormwater drainage. 2)Lack of adequate roads. 3)Lack of adequate sanitary sewer systems. 4)Lack of adequate off-site public improvements or support systems. Consideration met. Subdivision Review Subdivision Review Subdivision Review Site Plan Review E *The site plan sheets shown reflect updates the Developer has made since publishing of the agenda packet to meet conditions. They have not yet been fully reviewed to update conditions accordingly. Site Plan Review Site Plan Review Site Plan Review Site Plan Review - Landscaping Site Plan Review - Landscaping Site Plan Review - Landscaping Site Plan Review - Parking Unit Type Parking Required by Unit Type Studio/Alcove 48 1 Bedroom 255 2 Bedroom or Greater 320 Required Guest Parking 103 Parking Required Parking Shown Total Covered Underground Spaces 412 492 Outdoor Surface Parking Spaces 147 Total Parking Spaces Shown 726 736* *Proof of Parking 101 Architecture – Floor Plan E Architecture – Floor Plan E Architecture Architecture Renderings Renderings Avienda Design Guidelines Materials Avienda Design Guidelines Grading & Drainage – Existing Conditions •Area previously been graded as part of the larger Avienda build out •highpoint in the center of the site •Temporary rate control basin BMP – Northwest to wetland •Captures runoff from ROW •Avienda Rowhomes development BMP – West •Swales both east and south to convey stormwater to a larger temporary basin – Lake Susan •Site currently stabilized with vegetation Stormwater Management •Project is required to meet City and Riley Purgatory Bluff Creek Watershed District requirements •Water quality (TSS and TP) •Rate Control •Water volume •Proposed design includes stormwater ponds Best Management Practices (BMP) that promotes infiltration, filtration, and stormwater storage (reuse system and wet ponds) •Stormwater management outlined in the master plan and in the Apartment’s stormwater management report •Storm sewer and BMP(s) will be private and will therefore require an Operations and Maintenance Agreement Stormwater Masterplan •Landform has developed a Masterplan to manage stormwater •Remaining Site area •Guides for future development and maps drainage •Regional approach stormwater management •Fewer and Larger BMPs •Extra complexity •Both plans will need to finalized with the Avienda Apartment •City and Watershed review •Any BMPs and conveyance needed for the apartment complex will need to be constructed the project •Maintenance •Plans need to tie in together seamlessly Grading & Drainage – Proposed Conditions •Area will be mass graded to facilitate Apartment construction •Site runoff collected and conveyed via stormsewer to offsite BMP to the east •Temporary Basin replaced with underground facility •Portions of stormsewer to be done by others – see Master Stormwater Plan •Internal apartment area designed to convey 100 year storm event – add redundancy to have an effective emergency overflow (EOF) •EOF of Rowhomes conveyed through site •Stormwater systems outside of ROW will be private Stormwater Challenges •Navigating the master plan •Coordination •Seemless and final plans •Permitting and accounting of treatment and impervious •Clear definition of responsibilities and escrows •Understanding Temporary basin re- routing and risk •How long and how much water •Design of emergency overflows and through routing •Design of the EOF route from inside the apartment building •There are engineering solutions to these problems that need to be implemented Planning Commission Discussion Public Hearing Planning Commission Discussion Proposed Motion “The Chanhassen Planning Commission recommends approval of the requested preliminary plat and site plan, and adopts the attached Findings of Fact and Decision.”