Open Space Advisory Board Agenda and Packet 2018 07 11

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I ` Cityof OmLouisville PARKS & RECREATION Memorandum To: Open Space Advisory Board Joe Stevens, Director of Parks and Recreation From: Allan Gill, PLA, Parks Project Manager Date: July 11, 2018 Re: Ascent Church / St. Louis Parish Proposed Trail Elevation Selection Summary and Discussion: At the March OSAB Advisory Board Meeting the Board was introduced to the Ascent Church project. The project area consists of 51.58 acres and is located at the northeast corner of the intersection of 96th Street and Dillon Road. The property is owned by three entities which roughly divides the property in to thirds with the St. Louis Parish ( Archdiocese of Denver) owning the southern third, the Ascent Church owning the middle portion and Adrian Games owning the northern third. For the Ascent Church to move forward with their plans to build a Church a Plat and PUD are needed to be completed for the entire parcel which includes the other two owners and makes this process more complicated than most Plats and PUDs. The Church is conservative in their approach to the process having completed a General Development Plan, now the Preliminary Plat and PUD are in process and will be followed with a Final Plat and PUD. A proposed trail adjacent to the railroad tracks and the east property bound is proposed which would provide a trail connection from Dillion Road where it intersects the railroad tracks north to the Coal Creek Regional Trail. This trail alignment was also reviewed and discussed at the Boards June meeting. As part of the project drainage for the site needs to go to the southeast corner of the overall project boundary at the intersection of Dillion Road and the railroad tracks. As a result of this requirement grading and berming will be required. This sets up options for the elevation of the trail with the largest variations in elevation being adjacent to the Ascent Church property. Please see Ascent Cross Sections A though F attached and note where they occur on site as shown on the site plan also attached and note the following, existing grades, the proposed grades (shown in black) and the optional grades (shown in red) and note areas of cut and fill. There are pros and cons to each of the final conditions. Generally, the proposed trail elevations were intended to highlight views to the west by elevating the trails which left the trail on top of a berm whereas the lower elevation trail as shown in the option trail alignment kept the trail low with the intent of maximizing the 35 foot wide trail corridor that is be dedicated to the City by reducing berming for a wider more open feeling for the trail user. Both the higher and lower options for the trail alignment work; however, staff and the Ascent Church would like to know the Boards opinion.