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RCA Exhibit A � PLANNING FILE 15-023 L Request by Art Mueller for approval of a PRELIMINARY PLAT of the residential property at 2201 � Acorn Road � Chair Boguszewski opened the public hearing for PLANNING FILE 15-023 at 6:33 p.m. 5 Senior Planner Bryan Lloyd provided a brief history of this property, its planning file history and this new 6 request for a 3-lot Preliminary Plat at 2201 Acorn Road, as detailed in the staff report dated December 2, 7 2015. Mr. Lloyd noted that this request from Mr. Mueller proposed demolition of the existing home and 8 replatting of the property into three lots for development of three single-family, detached homes served by � a private street. 1 C Mr. Lloyd provided staff's analysis of this latest Preliminary Plat request from Mr. Mueller as it related to � 1 city code. While the subdivision code language provides lots be perpendicular to streets, Mr. Lloyd noted 12 (lines 68 — 76 of the staff report) that the boundary of Lot 1 is perpendicular and even though it could be 13 revised to be radial, staff supported the proposed layout rather than adding additional pavement. 14 Specific to the City's Public Works and Engineering review, Mr. Lloyd reported that this latest iteration 15 addressed concerns raised in previous proposals related to drainage, specifically stormwater 16 management on the northwest area of the project site. Mr. Lloyd noted stormwater would be routed to 17 existing infrastructure under Acorn Road, reducing pressure and volume in the southwest basin. Mr. Lloyd 1 B advised that plans submitted to-date appear to meet requirements for rate and volume runoff and address 19 other grading considerations; with the City's Engineers continuing to work with the applicant and review 2o requirements or changes to ensure the project continued to conform to city code and watershed 2� requirements throughout the process. 22 Mr. Lloyd briefly reviewed the tree preservation reviewed by the City's tree consultant Mark Rehder, S& S 23 Tree Service, with monitoring continuing as the project proceeded. 2�! Specific to Park Dedication, Mr. Lloyd reported that with two additional lots, the Parks & Recreation 25 Commission had determined cash in lieu of land. 26 As noted in the staff report (line 99), Mr. Lloyd advised that the Development review Committee (DRC) 27 provided several comments for recommendation, and highlighted the need for including Item D(lines 121 28 — 123) to ensure a homeowners association be a condition of approval to ensure long-term private street 29 and stormwater infrastructure maintenance remains intact. 3G Discussion 3� Chair Boguszewski asked for clarification if the additional flow capacity for Acorn Road was new or had 32 been there before; and whether the City Engineer had an estimate of the total flow pulled toward Acorn 33 Road and away from that southwest corner. 3� Mr. Lloyd responded that the routing is new for this iteration of the Oak Acres Development proposal, as 35 in the past runoff was routed to rain gardens at the southwest corner of the proposed development. Mr. 36 Lloyd reported that the City Engineer had not specifically isolated the total flow from the southwest corner 37 now proposed to be directed to Acorn Road stormwater infrastructure, but the difference in volume of 38 stormwater leaving the southwest corner of this proposal versus previous iterations reduced that runoff by 3�. approximately 58% for a 100 year rain event calculation. At the request of Chair Boguszewski, Mr. Lloyd 4G clarified that (as noted in line 106 of the staff report) overall flow was actually reduced by approximately 4�� 82% with this latest development proposal, and reduced 58% from the previous iteration. As noted by 42 Chair Boguszewski, this provided the neighborhood with an approximate 82% improvement in stormwater 43 flow compared to current runoff flowing from the property. 44 On line 113, Chair Boguszewski questioned the subjective term "aggressive proposal" and asked Mr. 4� Lloyd to describe what was intended for a homeowners association and their financial burden. 46 Mr. Lloyd advised that that term originated with review by the City's Public Works Department, and opined 4: the proposal was certainly aggressive in the sense it provided many places for water infiltration for rate 48 control, and significantly reduces current rates and volumes. However, Mr. Lloyd noted there was also a 4� cost component and need to make sure funding remained available long-term to address those many �o maintenance components and their complexities. Page 10 of 15