11-03-14 Council Packet - Laserfiche WebLink

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In addition, the required rear yard setback is 25 feet; however, the lots are designed to have 40 foot or greater rear yards to provide more open space. Utilities Public water, sanitary and storm sewer utilities will be installed within the development. The site is located in Sanitary Sewer District 3 (Sub -district 3B) and is ultimately served by MCES Interceptor 76-51, a 24 -inch gravity sewer in Cedar Street which is adequately sized for the development in the district. A 16 -inch trunk water main is being extended from Main Street as part of the 21st Avenue North project. Storm Water Management and Erosion and Sediment Control The site faces challenges for effective stormwater management. In many cases agricultural ditch and tile networks have significantly altered drainage basins and changed sub -watershed divides. The drainage capacity of these existing tile networks is insufficient to convey stormwater runoff. The site consists mostly of B/D hydrologic soils which are a combination of drained and un -drained soils. Wetlands and high ground water table also contribute to the challenge. Storm water management is not only a challenge for the Watermark development but also for the entire I -35E corridor. The City is analyzing the concept of a more regional approach to mitigate stormwater for the entire area. Public Land Dedication The City will require a combination of land dedication and cash in lieu of land dedication. The proposal dedicates 5.58 acres of public parkland. A trail is also proposed on the east side of the development along I -35E throughout the greenway corridor. The parkland dedication and trail construction costs will be credited from the total payment in lieu. The park will be deeded to the City. Alternative Urban Areawide Review (AUAR) The site is within the 2005 I -35E Corridor AUAR environmental review analysis. The AUAR was updated in October 2010. Development must comply with the mitigation plan that forms a part of the AUAR which includes the Conservation Development Framework as the fundamental precept for all development within the AUAR. Additional comments: • Conservation easements shall be required to protect wetlands and greenway corridors. • A traffic impact analysis shall be required. • A noise study shall be required. • A Phase I archaeological survey shall be conducted. 6