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F.1 k <br />iLfr-cr <br />Downtown Parking Study <br />Concept Designs <br />Table 9 presents a summary of the conceptual design options. All of the <br />concepts are above grade parking structures. The construction costs and <br />operating and maintenance costs fora below grade parking structure are <br />significantly higher than above grade parking structure. Construction costs have <br />been estimated using $47 per square foot plus a 10% estimating contingency <br />resulting in a $52 per square foot estimated cost. <br />Figures 5 and 6 present typical parking structures that were constructed at <br />comparable prices. The images are intended to demonstrate the type and <br />quality of fagade finishes that can be obtained in this construction cost range. <br />The images do not necessarily depict a fagade design appropriate to <br />Downtown Elk River. In addition the images are of structures larger than the <br />concept design developed for Elk River. The two images are of structures with <br />five supported levels. The concept options are two or three supported levels. <br />Figure 5 -Lansing, MI <br />Figure 6 -Milwaukee, WI <br />September 2007 <br />Carl Walker, Inc. <br />18 <br />