55C - ALTON AVE OVERCROSSING @ SR 55

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Draft Findings of Fact and Mitigation Monitoring Reporting Program (applies to CEQA only) Rationale: Implementation of these mlt1gation measures will reduce impacts to biological resources, particularly regarding invasive species, to levels less than significant by ensuring that all activities prior and during construction do not promote spreading of invasive species. No further mitigation is required. Reference: The discussion on setting, impacts, and mlt1gation related to Floodplains are included in Section 4.8 of the FEIR/EA prepared for the Alton Avenue Overcrossing at SR-55. 7.8 PARKING Potentially Significant Effects Permanent Impacts . On-Street Parking: All on-street parking would be precluded on Alton Avenue due to improvements associated with the Preferred Alternative. The loss of on-street parking would not be mitigated as there are no requirements for the City of Santa Ana to either replace on-street parking or to compensate businesses that currently use on-street parking for either employee or patron parking (P&D Environmental Services, 1994). . On-Site Parking: Loss of on-site parking can affect the viability of a business. If implementation of the project results in a business having less parking than is required by code, that parking would have to be replaced either on-site or on an adjacent parcel. If replacement parking cannot be found, the responsible City would have to provide a parking variance, or the business/parcel would have to be acquired. Refer to Table 7.7-1 for on-site parking acquisitions. . Equitable Garry Plaza (1700 E. Garry, Irvine): Equitable Garry Plaza would lose 36 parking spaces as a result of the freeway widening necessary to accommodate the HOV drop ramps from Alton Avenue. There are approximately 350 parking spaces available and the parking code requires that there be 307 spaces. With the loss of the 36 parking spaces (approximately 10 percent of the existing parking), there would still remain 314 spaces, which would be sufficient to meet code requirements. No replacement parking would be necessary or provided for this loss. · One Source Distributors (1021 Duryea, Irvine): One Source Distributors has approximately 43 parking spaces on site. However, approximately two-thirds of those spaces are fenced and being used for storage. Of the total on-site parking spaces, half would be taken by implementation of the freeway widening portion of the project, leaving 22 spaces. Code requires 21 parking spaces for the business. No replacement parking would be necessary or provided for this loss. · Amberwood Office Park (2933-2953 S. Pullman, Irvine): Amberwood Office Park has approximately 300 parking spaces. Approximately 8 parking spaces would be taken under the Preferred Alternative, which corresponds to a loss of 3 percent of existing parking, which would be sufficient to meet code requirements. No replacement parking would be necessary or provided for this loss. Alton Avenue Overcrossing at SR-55 K-24 April July 2005 55C-42