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Mr. Oliver Robinson, May 2, 2019, Page 5 <br />MainPlace Mall Specific Plan Parking <br />kimley-horn.com 765 The City Drive, Suite 200, Orange, CA 92868 714 939 1030 <br />MainPlace Mall – Existing Parking Demand and Effective Parking Ratio <br />Parking occupancy data collection for the entire Mall was conducted on a typical Friday and <br />Saturday in August, 2018. The peak parking demand observed was 2,472 occupied spaces, <br />between 1:00 PM and 2:00 PM on Saturday. <br />The peak parking demand of 2,472 spaces observed for the current Mall operations was <br />factored to account for three issues: <br />·The observed parking demand was factored to account for approximately 175,000 <br />square feet of vacant space in the Mall at the time of the counts. <br />·The counts were taken in August. Based on the Urban Land Institute (ULI) seasonal <br />parking factors published in the Shared Parking (2nd Edition) manual, a seasonal factor <br />of 1.125 is applied to the observed parking demand to account for seasonal fluctuation. <br />·A revitalization factor of 1.10 was then applied to account for an anticipated increase in <br />Mall activity in response to the proposed MainPlace Mall Specific Plan improvements. <br /> <br />Once these factors are applied, the observed peak parking demand and resulting estimated <br />parking ratios for the existing Mall Uses would be as summarized on Table 6. <br />Table 6 <br />MainPlace Mall <br />Parking Demand for Existing Development <br />Scenario GFA <br />Peak <br />Parking <br />Demand <br />(spaces) <br />Adjustment <br />Factors <br />Actual / Estimated <br />Parking Usage Ratio <br />(spaces per <br />KSF GFA) <br />Existing Mall GFA 1,130,000 2,472 1 --2.19 <br />Existing Occupied GFA 955,000 2,472 --2.59 <br />Seasonal Factor 2 --2,781 1.125 2.91 <br />Revitalization Factor 3 --3,059 1.10 3.20 <br />1 Source: Kimley-Horn, August 2018 parking data collection at MainPlace Mall. <br />2 Source: Urban Land Institute (ULI)Shared Parking (2nd Edition) <br />3 Anticipated increase in Mall activity with proposed Specific Plan improvements <br />KSF = Thousand Square Feet GFA = Gross Floor Area <br />When each of these adjustment factors is applied to the observed peak parking demand, the <br />resulting estimated parking ratio would be 3.20 spaces per KSF of Gross Floor Area for the <br />existing Mall Uses.