4. SPSR 09-03-2010 - Laserfiche WebLink

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Page 2/2 UnitedHealth Group: NTCt Building Expansion Project Narrative Vehicle Parking The existing improvements include 60 parking spaces and proof of additional 129 parking Provisions spaces. To date the existing 60 parking spaces have proven to be adequate. Since the proposed expansion will not change the building population or parking demands, no changes or additions to the existing parking provisions will be needed. However, with the proposed building expansion, 63 of the 129 original proof of parking spaces will be lost for a total of 66 proof of additional parking spaces remaining. Anticipated Traffic The proposed expansion will not alter the traffic patters or volume experienced over the past years of operations. Exterior Lighting The existing exterior lighting will not change, except for relocating the vehicle ring road drive lighting along the north side of the building to accommodate the building expansion. Site Coverage & With the proposed expansion, the impervious site coverage area would be 434,035 square Landscaping feet over the 892,735 total lot area for a ratio of 48.6%. The proposed expansion will not require removal of any of the existing landscape material. The landscape plan proposes additional overstory, ornamental, and conifer trees on the berm along Business Center Drive. The palette of plant materials already utilized on site is being expanded to the north edge of the site. The new trees are being placed within the existing planting to create a continuous band of plants along Business Center Drive. Stormwater UHG's Civil Engineer RL,k has concluded that the existing stormwater management system is properly sized to accommodate the proposed expansion. The rise in the water elevation of a couple of tenths in the pond due to the proposed building expansion do not negatively impact the existing pond design, on site or off site operations or diminish the rate control or water quality functions. Building Materials The proposed expansion will be consistent with the existing building by utilize the same type, color, and articulation of materials, including architectural precast concrete wall panels and super structure. Signage There will be no changes or additions to the. existing signage. Outdoor Storage The proposed expansion will add (2) evaporative cooling towers in the existing screened exterior yard. No other changes to outdoor storage areas will be made.