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HOUSING RESOURCES <br />on Orange County Sanitation District depth of flow versus diameter <br />requirements. However, the Harbor Corridor Plan does not generate enough <br />wastewater to pose a significant impact to the existing infrastructure. Calculations <br />have shown that the Harbor Corridor Plan will add an additional 1 -5% to existing <br />flows. A small number of pipes that are over capacity may need to be upsized prior <br />to development of the Harbor Corridor Plan. New development will be <br />responsible for their fair share of infrastructure improvements. <br />■ Existing water supply and pipe sizes are adequate to accommodate the Harbor <br />Corridor Plan according to the City's 2010 Urban Water Management Plan. <br />The Harbor Corridor Plan would add additional impervious area to the corridor. <br />The majority of this will come from developing the vacant lots. The additional <br />impervious area will add an additional 15% to existing flows. While this is not a <br />significant impact to the existing storm drain system, a previous 1993 report (Boyle <br />Engineering Report) concluded that the existing system is deficient and unable to <br />convey the current runoffs. The recommendations made in the Boyle Engineering <br />Report would need to be implemented in order to convey existing runoffas well as <br />future flows from the Harbor Corridor Plan. New development will be <br />responsible for their fair share of infrastructure improvements. <br />Capacity Analysis <br />Densities in the specific plan area range from 5 to 50 dwelling units per acre. At <br />least 10.1 acres will be designated exclusively for multifamily residential <br />development by right at a minimum density of 20 units per acre (202 total units). <br />Recent developer interest in residential sites includes conceptual residential <br />projects at 20 and 31 units per acre, demonstrating the feasibility of residential <br />projects in the area. <br />Financial Feasibility Analysis <br />Mixed use and residential development is financially feasible for development <br />along north Harbor Boulevard. The specific plan area could accommodate more <br />than 4,600 units. The plan's development standards allow a variety of housing <br />types and sizes to meet housing needs while providing flexibility to respond to the <br />market—keeping projects financially feasible for developers. <br />As a part of the Harbor Corridor Plan outreach strategy, the City led a developer <br />roundtable to obtain input from the development community on the feasibility of <br />introducing residential into the project area. Developers cited the combination of <br />available vacant and underutilized land with current and future transit <br />connections as key reasons why affordable and market rate housing could be built <br />along the corridor. <br />Development within the Harbor Corridor Plan area is subject to the City's <br />Housing Opportunity Ordinance. This ordinance requires that at least 15 percent <br />of the units in an eligible ownership project be set aside as affordable to moderate <br />JAincome households for at least 45 years. For eligible rental projects, at least 15 <br />percent must be affordable to very low or lower income households for at least 55 <br />A years. <br />C -12 CITY OF SANTA ANA GENERAL PLAN HOUSING ELEMENT <br />