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5. All measures shall be taken to minimize the possible adverse impacts which the <br />proposed use may have on the area in which it is located. <br />:: ster" The Foster High School expansion's possible adverse impacts are primarily visual, <br />concern noise or light, or affect parking in the neighborhood. The visual impacts possible <br />concern the proposed building addition's architectural style, building materials, and degree of <br />compatibility with the neighborhood. Recommended conditions of approval for potential adverse <br />visual impact of the expansion are located in the Design Review section of this report. The <br />potential for spillover event parking is addressed in the Variance section of this report. Noise <br />and light impacts are addressed in the recommended condition of approval that lighting of the <br />school property along S. 142nd and S. 144th Streets and 42nd Ave S. be directed inward toward <br />Foster High and its facilities. Also recommended is a prohibition of lighting and use of the <br />softball field and northernmost tennis courts past 10 pm. <br />B2K1' The potential visual impacts of the new school on nearby development have been largely <br />incorporated into a thoughtful site design and some additional landscaping on the west and <br />south side is required to break up the visual mass of those facades. See Design Review section <br />for detailed discussion. <br />The biggest impact to the neighborhood will be increased traffic and circulation changes. <br />Topographic, location, and site security conditions together means the school will have just one <br />access point, via easement and private drive located along the south perimeter of the church <br />property. <br />Tukwila School District anticipates 75% of kindergarten students will take the bus to and from <br />school, and the remaining 25% arriving by private vehicle. Pre - kindergarten and infants are <br />anticipated to arrive almost entirely by private vehicle. While the District does not anticipate any <br />pedestrian or bicycle arrivals, there are many children residing within a 1 -mile radius of B2K <br />who are ineligible for bus service. <br />The applicant has submitted a Traffic Impact Analysis (TIA) (Attachment 1) with predictions of <br />future traffic patterns and counts at intersections nearby, based on existing conditions and the <br />planned development of a school with up to 300 kindergarten and 140 infants and pre -k <br />students. The TIA includes trip generation calculations and assesses the delay at nearby <br />intersections, based on the mode split data provided by the District and Institute of Traffic <br />Engineers (ITE) land use codes for elementary school (for the 300 kindergarteners) and <br />daycare (for 140 infants and preschool children). Delay is categorized as Level of Service (LOS) <br />A -F, with traffic at LOS A intersections experiencing little or no delay, and traffic at LOS F <br />experiencing extreme delays, causing cars to form long queues. <br />Traffic is split into am peak -hour trips and pm peak -hour trips, corresponding with typical drop - <br />off and pick -up times. 134 inbound AM and 91 inbound pm peak hour trips are anticipated. This <br />traffic will impact the intersections at 42nd Ave S. and S. 142nd and S. 144th streets the greatest. <br />22 <br />