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Mr. Oliver Robinson, May 2, 2019, Page 9 <br />MainPlace Mall Specific Plan Parking <br />kimley-horn.com 765 The City Drive, Suite 200, Orange, CA 92868 714 939 1030 <br />Beneficial shared parking synergies exist between different uses whose peak operating times <br />occur at different times of the day. The ULI study also identifies weekday vs. weekend <br />variations in parking demand. Uses with non-concurrent peak operating characteristics can <br />share a portion of the same parking supply without detriment to the other, rather than each <br />providing their own distinct and complete parking supply. For example, the parking demand <br />for office uses peaks on weekdays during the mid-morning and mid-afternoon hours; while <br />the parking demand for retail uses peaks on weekends, when the office usage is at its lowest; <br />and hotel parking demand peaks in the late night and early morning hours when both retail <br />and office uses are typically closed. <br />Monthly variations in parking demand for each use for each month of the year are also taken <br />into account in the shared parking methodology. Parking demand for retail peaks on the <br />weekend in the month of December, during the Christmas season, and is at 75% or less from <br />January through October. <br />Each of these factors is incorporated into the shared parking spreadsheets (see Attachment <br />B), and applied to the office, retail, and hotel mix proposed for the MainPlace Mall project. <br />Applying these factors to the proposed mix of uses yields a projected peak parking <br />requirement, at a particular time of day (weekday and weekend) and season. In theory, the <br />actual parking supply that would be needed for the project will not exceed the projected peak, <br />due to the interrelationships and benefits of shared parking synergies. <br />Shared Parking Results <br />As shown previously on Table 9, the total parking requirement for the non-residential <br />portions of the Project, without taking shared parking into account, would be 7,490 spaces. <br />The shared parking analysis indicates that the parking demand for the proposed mix of uses <br />would typically peak at 2:00 PM on weekdays, and 1:00 PM on weekends. The forecasted peak <br />parking demand would range from 4,826 to 6,352 spaces on a weekday, and 3,113 to 4,882 on <br />a weekend, depending on the month of the year, as shown on Table 10. <br />Based on the shared parking synergies and fluctuations in peak parking patterns on a monthly, <br />daily, and hourly basis, the shared parking synergies between the uses would allow for a <br />parking reduction of between 788 (for the peak month of December) and 1,706 spaces (for <br />the next highest peak month of November). The hourly fluctuations of parking demand for <br />each of the office, retail, and hotel uses are shown graphically for November weekdays and <br />weekends on Figures 1 and 2, respectively; and for December weekdays and weekends on <br />Figures 3 and 4, respectively.