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In response to questions from Ms. Cahill, Mr. Peebles explained that over flow <br /> to the City's 48 -inch storm drainage system would be provided through pond <br /> cell three if containment provided for a 25 -year storm were not adequate. <br /> Mr. McGuire stated that a design to route excess runoff generated by the <br /> project around property of The Nature Conservancy would be provided if <br /> required. Mr. Sabin explained that a mutually acceptable plan was being <br /> developed. <br /> Mr. Alverson stated that drainage water quality was a significant issue for <br /> The Nature Conservancy. <br /> Ms. Evans stated that the City will want the maximum treatment possible before <br /> storm water was introduced into its piped system and that it would be advanta- <br /> geous to include representatives in the discussions between project managers <br /> and The Nature Conservancy. <br /> In response to concerns raised by Ms. Cahill about storage of hazardous <br /> material, Mr. Sabin explained containment and leak detection plans for the <br /> project. <br /> Mr. Lyle stated that if it was possible, parking lot landscaping plans should <br /> be included in drainage system submissions. Mr. Hudzikiewicz commented on the <br /> desirability of using native plant species in landscaping plans and provided a <br /> document that included lists of acceptable species. Mr. Alverson volunteered <br /> to work with landscapers in development of acceptable plans. <br /> Mr. 011ek observed that oil and grease would be included with parking lot <br /> runoff and suggested its pre- treatment before it was dispersed. <br /> Mr. McGuire described westerly drainage development on the project property. <br /> Ms. Evans said that the City would review plans for the whole site. Mr. Elder <br /> offered to provide relevant information prepared for permit applications made <br /> to the Army Corps of Engineers. Mr. Lyle commented that relocation of an <br /> existing stream channel on the site would be a Public Improvement project and <br /> that detailed drainage development plans were needed. <br /> In response to questions from Mr. Hellesvig, Mr. McGuire described the storm <br /> drainage system that would be provided during construction. Mr. Lyle noted <br /> that the plan would be required as part of the erosion control submission. <br /> MINUTES -- Hyundai- Willow Creek October 26, 1995 Page 5 <br /> Drainage Pre - Design Meeting <br />