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Shore land Ordinance/B-6 Zoning Ordinance Surilmary Twin Lakes Mixed Use Redevelopment - Roseville, Minnesota Sanitmy Sewer Capacity/Water Adequacy/Stormwater System/Roadway Capacity Februa/Y 10,2005 Government Approvals Schedule/SitePlan Modifications . Page 2 of7 Langton Lake and/or the existingCity parkland and Citystormwater pond are within the 300 foot , Shoreland Jurisdictional. Zone, City property, according to staff and consultants, may not be used to meet the design criteria described in Chapter 10 16. This conclusion, however, appears to be in direct contradiction to previous City staffand consultant comments. As part of the May 2001 Alternative Urban Areawide Review (AUAR) process, the Minnesota Department of Natural Resources (DNR) made comments regarding utilization of undeveloped City property within the Shore land district to transfer densities to the said study area in order to meet the requirements of the Code. City consultants and staff stated that the City would requite any residential project within 300 feet ofw water body to meet the District requirements or to transfer any additional density to remaining block. The following are the pertinent zoningcand site design criteria associated with the Shoreland Jurisdictional Zone (300 feet from the ordinary high water level of Langton Lake) as articulated in Chapter 1016 and interpreted by City Staff and Consultants: . . The property must be rezoned to a Planned Unit Development (PUD) because the underlying zoning is not R-l and/or R-2; . Commercial and industrial land uses without water-oriented uses are not to have public water frontage. If a commercial and/or iqdustrialland use has public water frontage, said use must be set back 150 feet from the ordinary high water level or be set back 100 feet and be 50% screened by opaque vegetation from view from the water; . The maximum floor area coverage of the site may be 30% for any residential and commercial PUD within the District. At least 50% of the total project area must be preserved as open space for PUD's in the Shoreland Jurisdictional Zone; . For shore impact zones at least 70% for new residential PUD's and 50% for new commercial PUD's must be preserved in a natural or existing vegetative state; . Impervious surface coverage shall not exceed 25% for residential PUD's, and may not exceed 35% ( for Commercial PUD's. ' The following is a comparison between the Twin Lakes Concept Master Plan and design criteria found in Chapter 1016: . Review of criteria advises rezoning to a commercial PUD; . Commercial and industrial. land uses do not have public water frontage adjacent to Langton Lake; . The floor area coverage of the Master Plan for that area in the Shoreland Jurisdictional Zone is 16% when incorporating the existing City of Roseville's stormwater management pond, and 20% when this pond is not included in the calculation; . The area preserved as open space within the Shoreland Jurisdictional Zone is 69% when including the City's stormwater management pond and 61 % when this pond is not included in the calculation; . In the shore impact zone 100% ofthe impact zone will be preserved in a natural and/or existing vegetative state; . The imp~rvious area for the proposed development is 38% when the City's stormwater management pond is included, and increases to 46% when the pond is removed from the calculation; . The 'proposed structure setback is approximately 170 feet compared to the Code requirement of 75 feet. The roadway setback is approximately 95 feet compared to the Code requirement of 30 feet. In conclusion, it appears that the Twin Lakes Master Plan is consistent with Chapter 1016 of the City's Code as interpreted by City staff and consultants, with the exception of impervious coverage. Options for addressing this inconsistency may include special stormwater design criteria, the inclusion of the existing City park and pond areas in the impervious calculation, and/or amending the City's Shoreland Management Ordinance. Alternatively, Chapter 1016 makes provision for a variance from Code requirements. However, a PUD is required already and the impervious calculation may simply be ( included as part of the PUD language.