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2014 -2021 SANTA ANA HOUSING ELEMENT AND PUBLIC SAFETY ELEMENT UPDATES CITY OF SANTA ANA 1. Introduction Transit Zoning Code (TZC) Areas The City adopted the Transit Zoning Code (TZC) in 2010. The TZC guides development in the central urban cote of Santa Ana and consists of more than 450 acres of land. Recent developments in this area highlight the opportunities for both affordable and market rate residential projects. Furthermore, much of the TZC area is suitable for housing at densities of at least 20 units per acre. The TZC was also designed to provide the zoning necessary to support the long -term development of a transit program. The integration of new transit infrastructure and infill development will strengthen existing neighborhoods and allow for a mix of uses and a variety of housing types. The TZC is estimated to accommodate up to 4,075 housing units at buIldout. As shown in Table 2, new zoning and recent residential projects demonstrate the ability of the TZC to accommodate 50 percent of the City's remaining 2006 -2014 RHNA. As part of the technical studies for the TZC, significant infrastructure improvements were identified for the 20 -year buddout horizon. Furthermore, the EIR for the Transit Zoning Code (2010) detailed the potential environmental and infrastructure impacts of the project and implementation measures to address the presence of any impacts. The TZC EIR indicates that future development in accordance with the code: • would not be constrained by any significant biological, seismic, geological, or hazard constraints (TZC EIR, Sections 4.3 and 4.5); • could alter the existing drainage pattern and potentially result in increased downstream flooding through the addition of impervious surfaces, or exceeding the capacity of existing or planed stormwater drainage systems, additional mitigation will be necessary (TZC EIR; Sections 4.6); • would not require or result in the construction of new water treatment facilities, the expansion of existing water treatment facilities, or the expansion of the existing network of water lines (I'ZC EIR Sections 4.12.1- 4.12.4); and • would not increase wastewater generation such that treatment facilities would be inadequate to serve the projected demand in addition to the provider's existing commitments (TZC EIR Sections 4.12.5- 4.12.9). To address the required improvements to and /or replacement of infrastructure, the City's requires all developers to pay a pro rata share of the costs to improve or replace the infrastructure. This is in addition to the on- and offsite improvements that are required under the Municipal Code (Article III) to serve individual projects. Harbor Boulevard Mixed Use Transit Corridor Plan The Harbor Corridor Specific Plan is anticipated to be adopted in early 2014. The section of north Harbor Boulevard guided by this specific plan is a gateway to Santa Ana. Orange County's first bus rapid transit service (Bravo! BRT operated by OCTA), opened Route 543 along Harbor Boulevard in June 2013, with two more BRT lines (Bristol /State College and Westminster /17 ^h Street) expected to open in the coming Page 20 • The Planning Center J DC&E, December 2013 75A -42