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I I I Council Meeting Minutes June 23, 1998 Page 4 Council Business. continued City Planner Cary Teague presented a preliminary plat to develop nine single family homes on the north side of Stony Lake, east of Silver Lk. Rd. and west of 23rd Ave. The site involves three wetlands: Stony Lake (not a water body, but DNR protected wetland); a wetland on Lots 2 and 3 to be filled; and a wetland on Lot 1 which a portion will be filled. Type 1,2, and 6 Wetlands may be filled without mitigation under DNR and Rice Creek Watershed District (RCWD) rules, and this proposal involves those wetland types. Review of the grading and wetland filling plan is subject to DNR and RCWD review. The property is zoned R-l, Single Family Residential, and the proposal is consistent with the Comprehensive Plan and Zoning Ordinance. The garage portions of Lots 7, 8, and 9 do not meet the 30 ft. front setback, however, these will be realigned to meet requirements. Lot 6 does not meet the 75 ft. minimum lot width requirement and requires a variance. The Planning Commission recommended that if the variance was approved, Lot 9 would be shifted to the west to save a large group of trees. Staff does not feel Lot 6 contains an unique circumstance to justify the variance. It was suggested that the applicant eliminate one lot or reconfigure another so that the width requirement is secured. The City Forester suggested the White Oaks on Lots 9 and 4 be preserved. A tree identification plan is being completed to assist in the construction phase. A public road is proposed off 23rd St. and there is an existing 60 ft. wide easement for road purposes. The name of this cul-de-sac would be 16th Terrace. The street would be constructed 32 ft. wide with a cul-de-sac radius of 42 ft. In 1992, a traffic study was performed which found 205 daily vehicle trips on 23rd Ave., and 732 daily trips on 17th St. These nine homes would likely generate a maximum of 90 additional daily trips. The grading plan indicates drainage will flow away from existing homes and toward Stony Lake. The City Engineer suggested installation of a six-inch overflow pipe from the wetland to the catch basin to ensure stormwater flows southwest. A drainage and utility easement would be placed over Stony Lake to ensure wetland protection. A stormwater overflow will be installed at 23rd Ave. to maintain the level of Stony Lake. The Comprehensive Plan does not designate this area as a future park site. It is recommended the Park Dedication contribution be paid in cash in lieu of a land contribution. Staff recommends a sidewalk/trail connection from the cul-de-sac to Silver Lk. Rd. to provide access to the sidewalk. Teague summarized the conditions of the approval: 1. 2. Approval of a permit by the Rice Creek Watershed District (RCWD). The proposed roadway must be constructed to full City standards, a 32-foot wide paved surface with a 42-foot paved radius for the cul-de-sac. Submittal of Tree Identification Plan as part of Final Plat application, and reaching an agreement with City Forester as to what significant trees (8-inch diameter) will be removed and what significant trees remain. Said plan must include what tree protection measures that would be utilized during construction. The mature White Oaks along the eastern lot line are not disturbed, and a minimum setback for driveways and all structures be 30 feet from the east property line for Lot 9. 3. 4. Council Business Preliminary Plat and Variance for Stony Lake Development Report 98-133