03-02-2020 Council Work Session Packet

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5 Per the 2030 and 2040 Comprehensive Plans, both Lilac Street and Mustang Lane are classified as minor collector streets. Section 302.03 of City Code Chapter 300: Public Property and Improvements requires 80 feet of road right-of-way for collector streets. The existing platted road right-of-way per the Sunset Oaks plat is 66 feet. Therefore, the subdivision of 87 Lilac Street would require an additional 7 feet of road right-of-way dedicated on the plat. Staff suggests possibly amending the City Code regarding required road right-of-way widths and setbacks for arterial, collector and local streets. This would apply to not only 87 Lilac Street but all future subdivisions. A variance could also be considered. Section 1001.100 of City Code Chapter 1001: Subdivisions requires streets provide for future connections to adjoining unsubdivided tracts. Road right-of-way shall be dedicated extending west across from Mustang Court and paved road improvements installed. The front lot lines and driveways for Lot 1 and Lot 2 will then come off of the new street. This should eliminate the need for lot depth and setback variances for these two (2) lots. Ideally, the driveway of the existing house would be relocated to access off of Mustang Lane. Lilac Street is a collector road that carries higher volumes of traffic than Mustang Lane. Easements The Sunset Oaks plat has a 160 foot x 190 foot ponding easement dedicated on the plat which encumbers the subject site at 87 Lilac Street. The applicant proposes vacating this easement. An extensive stormwater drainage study will be required to determine the purpose of the easement and what impacts vacating the easement may have on adjacent properties. Standard drainage and utility easements at least 10 feet wide shall be provided along all lot lines. Stormwater Management and Erosion and Sediment Control The concept plan depicts 3 linear stormwater ponds located between the lots. The soils map indicates Lino loamy fine sand and Zimmerman fine sand. The Hydrologic Soil Group is Type A. These are typically good soils for infiltration. The Sunset Oaks plat has a 160 foot x 190 foot ponding easement dedicated on the plat which encumbers the subject site at 87 Lilac Street. A 15” storm sewer pipe installed in 1998 extends from the easement area and drains east and north to a storm pond north of Pony Court. The applicant proposes vacating this easement. An extensive stormwater drainage study will be required to determine the purpose of the easement and what impacts vacating the easement may have on adjacent properties.