5.6. A-D. SR 01-16-2007 - Laserfiche WebLink

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Landscaping The landscape plan features overstory trees, coniferous trees, ornamental trees and other small deciduous shrubs; all landscape materials and design will comply with the City's requirements. The trees have been grouped in specific areas to provide screening for the building and outside storage and delivery areas. A 5-foot wide maintenance strip with rock mulch has been shown around the perimeter of the building to facilitate ease of landscape upkeep. The entire site area, with the exception of the stormwater pond basins, will be sodded. Per City requirements, only the sod areas adjacent to the right-of-ways will receive irrigation. Tree species will be selected to provide year round interest as well as offer screening of the site. Signage At this time UnitedHealth Group is discussing the need for entry signage into the site. If signage is to be utilized, other than one to identify the site's address, plans and elevations will be submitted to the City for their review and approval as part of the architectural plan package. The signage material will match the building exterior's material and will meet the provisions of the City zoning ordinance. Lighting The site is proposed to utilize lighting in the parking lot, entry point areas and portions of the site's interior driveway. The site lighting will be hooded or downcast-style lights to deflect light away from adjoining properties and public streets while providing a well lit, safe environment for the users of the facility. A light style and light level plan are included in the Preliminary Plan set. Architectural Elements The proposed exterior building will be clad primarily in non-load bearing precast concrete wall panels. A variety of integral colors and textureS will be incorporated throughout the wall panels to architecturally enhance the buildings visual interest and overall aesthetic. Wall panel joints and reveals will be incorporated throughout the elevations to differentiate various building volumes and reduce the appearance of the overall building mass. Metal wall panels and mechanical louvers will be utilized as accent materials to allow for a variation in materials across the various facades. Due to the stringent security and structural requirements of this facility, the main portion of the facility housing equipment will have no exterior glazing. A small portion of glazing will be utilized in the administrative portion of the building to allow natural light into the office area. The administrative and main entrance portions of the building will reflect a natural stone appearance with metal panel canopies and glazing accents. These elements will be utilized to distinguish this area from the remainder of the building, and to direct visitors to the main, secured entrance. Conditional Use Permit - Aboveground Storage Tanks After discussions with City staff, it is our understanding that a Data Center facility is a permitted use under Section 30-1294, BP-Business Park District. However, per subsection (d)(1d) of this section, a conditional use permit approval is required for aboveground storage tanks. The Data Center facility utilizes outdoor cooling towers and an outdoor water tower as part of the building's operation. All plans, elevations and calculations required for a conditional use permit application are included in this submittal package: The site will contain two screen wall areas to secure and screen exterior equipment located in the outdoor storage yard areas. The screen walls will be approximately 16' -0" in average height and be constructed of the same materials as the main building. Equipment housed within these screen wall areas are three 30,000 gallon, underground fuel storage tanks that will serve the generator banks, a series of eight (8) cooling towers, the top of which are to be at or below the top of the screen wall and one (1) 400,000 Project Narrative United Health Group Next Technology Center RLK Incorporated Project No. 2006-S01-M November 27,2006 Page 3 of 5