55C - WATER SUPPLY ASSESSMENT FOR MAINPLACE

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City of Santa Ana 2 PROPOSED PROJECT DESCRIPTION 2.1 Project Location MainPlace Mall Transformation Water Supply Assessment The approximately 49.04-acre project site is currently occupied by the existing MainPlace Mall in the City of Santa Ana. The project site location is shown in its regional setting on Figure 1, Local Vicinity. A site plan for the existing site is provided on Figure 2, Site Vicinity. The site is in the northern portion of the City and is generally bordered on the north by State Route 22 (SR-22 — the Garden Grove Freeway); on the south by MainPlace Drive and commercial development south of MainPlace Drive; on the east by Main Street; and on the west by Interstate 5 (1-5—the Santa Ana Freeway). Primary arterial access to the Specific Plan area is from Main Street, Town and Country Road, and Broadway, which provide accessto 1-5 and SR-22. Afour-lane perimeter access road, MainPlace Drive, serves as a ring road around the north, west, and south sides of MainPlace Mall, and connects to the surrounding street system in four locations. Land uses in the City vary from single family residential to heavy manufacturing. The site is located at the southeast quadrant of the Interstate 5/State Route 22 interchange. This area of Santa Ana is characterized by relatively dense urban development including a varied mix of commercial, office, and residential land uses. The project site is currently designated in the City's General Plan as District Center and existing zoning is General Commercial (C2), which includes a range of commercial uses as well as all of the uses allowed in the Community Commercial (C1) zone. Land uses surrounding the Specific Plan Area are predominantly large roadways and freeways and commercial uses, with limited residential in the vicinity. The Discovery Science Center is located approximately 800 feet to the south. 2.2 Proposed Project The total building area for MainPlace Mall is currently 1,130,000 sf of commercial / retail uses within an enclosed mall building. The existing mall is eight parcels based on recorded Parcel Map 99-152. There are 4,882 parking spaces in surface parking lots and 3 parking structures. The MainPlace Mall is currently entitled for the following additional development: • 379,255 sf of additional retail space (bringing the retail square footage to 1,509,255 sf); • 1,500,000 sf of office space; and • 400 hotel rooms. The applicant wishes to modify the entitlements to allow more flexibility in the further development of the site, reducing the allowed office and retail uses and adding residential uses. This diverse mixture of uses fulfills the purpose of the General Plan's District Center land use by adding residential uses in a mixed - use setting. The Proposed Project site plan is shown on Figure 3, Land Use Plan. As proposed, the Project would consist of the following additional development: • 270,000 sf of commercial (bringing the total commercial development to 1,400,000 sf); • 750,000 sf of office; • 400 hotel rooms; and Kinrley>Morn 55C-13 Page 15