2019-040 - Mainplace Mall Transformation

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City of Santa Ana Addendum to the MainPlace Mall Transformation Proiect Fashion Square Commercial Center Final EIR As development projects are submitted to the City, a parking plan for each phase would be required to show provided parking for each use, and replacement parking when required to maintain minimum parking ratios. Individual residential projects would provide parking for tenants that is separated from commercial, hotel, or office parking. Residential visitor parking may be shared with parking provided for other uses, or on lots other than the residential development. In the buildout condition, the majority of parking within the Project would be provided in parking structures. As part of the Project's design, parking for office uses may be made available for commercial or special event parking after normal business hours, subject to a parking management program for shared parking. Water and Storm Drain Infrastructure Approximately 1,500 feet of water mains would be relocated to accommodate the development footprint and vacation of Main Place Drive. Figure 7, Conceptual Water Plan, shows the existing and proposed water system. Improvements to the storm drain system are limited to the following: • Re-routing of several existing storm drain lines into the private drives within the Specific Plan area from their present locations within future development sites. • Re-routing an existing storm drain around a future development site into Main Place Drive on the Specific Plan area's western edge. Figure 8, Conceptual Drainage Plan, shows the existing and proposed drainage system, as well as the drainage areas of the site and the water quality features to which they drain. In addition, several franchise utilities and onsite private utilities would also be relocated and extended to accommodate the development footprint and vacation of Main Place Drive. Sewer Infrastructure The majority of the existing sewer system would remain in place, however some wastewater infrastructure would be relocated or extended to accommodate the proposed Project, including: • Existing public sewer within Main Place Drive between Main Street and Bedford would be vacated and realigned, and the existing sewer lines which connect to it would be abandoned. • Existing sewer lines would be removed and realigned on both the east and west frontages of the mall building. • A new lateral would be constructed in Main Place Drive to connect to the City sewe r. The existing and proposed sewer system is shown on Figure 9, Conceptual Sewer Plan. 9.1