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•, Zoning Board of Appeals <br />Minutes <br />February 8, 2007 <br />An in-depth discussion followed regarding drainage as it relates to the <br />Low Impact Development (LID). Michael Talbot of Michael Talbot & <br />Associates, Inc. was in attendance to discuss an ecosystem -based approach <br />to land development and storm water management. Material was <br />disseminated with respect to this regard. <br />Bio -retention applications deemed the "cutting edge" of storm water <br />management is proposed throughout the project to collect runoff from <br />paved surfaces and parking areas. A 15' bi-retention easement is <br />presented on the plan on each side of the roadway entering the new <br />development. Other bio -retention applications are depicted on the plan to <br />assist and maintain site runoff. <br />A list of plant material suitable for bio -retention filters favor native plants <br />such as grasses, trees and shrubs that adapt to the "rain garden" concept. <br />Meadow flowers and non-native perennials are also suitable to assist in the <br />infiltration of street runoff. In addition to added beauty, the "rain gardens" <br />would enhance wildlife habitat and capture pollutants. <br />• A back up storm drain system would also be installed for flood prevention. <br />The plan includes reverse bubblers to accommodate the water flow into a <br />raised grate system that would exit into the existing kettle -hole at the cul <br />de sac location. Each building would also have (4) 1,000 gallon leaching <br />pits to accommodate roof runoff. The use of rain barrels was also <br />discussed, and would be encouraged for future use by the individual <br />homeowner. <br />The Town restriction was disclosed regarding the prohibited use of Town <br />water for irrigation purposes. <br />With regards to the Chapter 40B comprehensive permit application, the <br />ZBA Board requested clarification from special counsel regarding the <br />roadway. It was noted the assessors map and parcel number represent the <br />entire site, but, is the roadway included in the comprehensive permit <br />application? Will the individual and commercial parcels be separated after <br />the residential units and roadway is finalized? Is the comprehensive <br />permit, the process in which the site would be divided? . <br />• <br />