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Grand Avenue Widening Project Environmental Impact Report Section 6.0 <br />mitigation measures LP -2 and LP -5, described earlier in Section 3.2 (Land Use and Planting), the <br />cumulative effect of the Grand Avenue project and other projects which result in the removal of <br />housing in the City is significant and adverse. The City's proactive and extensive programs to <br />provide new housing and protect existing housing will further mitigate adverse impacts on housing <br />stock associated with projects throughout the City. Nonetheless, without continued additions of <br />housing to the total housing stock, the cumulative effects of other projects and the Grand Avenue <br />widening on the total number of housing units could result in a net reduction in the total number of <br />housing units in the City. Therefore, it appears there is potential for the proposed Grand Avenue <br />widening, when considered with other projects throughout the City, to contribute to a cumulative <br />significant adverse impact on housing in the City which cannot be mitigated, with certainty, to <br />below a level of significance, even with the benefits of the extensive housing related programs at the <br />City. <br />TABLE 6-4 <br />SUMMARY OF TAKE OF RESIDENTIAL UNITS AND PARCELS FOR THE PROPOSED GRAND <br />AVENUE WIDENING ALTERNATIVES <br />Alternative 1 <br />Alternative 2 <br />Type of Parcel Full Takes Partial Takes <br />Full Takes <br />Partial Takes <br />Single Family Residential Units 20 0 <br />23 [3] <br />0 <br />Multiple Family Residential Units [11 41 0 <br />41 <br />0 <br />Multiple Family Residential Parcels [2] 5 0 <br />5 <br />0 <br />Total Takes (Residential Parcels) 25 0 <br />26 <br />0 <br />Total Takes (Dwelling Units) 61 0 <br />64 <br />0 <br />[1] Estimated number of affected individual housing units. <br />[2] Number of assessor's parcels containing multiple family residential units; each parcel contains at least two <br />multiple family residential units. <br />3 This includes the parcel with Map reference No. 44 that has three single family units on one parcel. <br />6.2.5 CUMULATIVE IMPACTS RELATED TO GEOLOGICAL PROBLEMS <br />Like the rest of seismically active southern California, the City of Santa Ana is subject to ground, <br />shaking and other seismic hazards during an earthquake. Buildout of the Circulation and Land Use <br />Elements would not introduce any new risks or hazards that are not already present in the City. In <br />the event of a major earthquake, substantial damage to transportation and other public facilities <br />could occur. These earthquake related impacts can be reduced by project specific mitigation, design <br />standards and emergency preparedness programs. Other potential impacts related to geology, <br />including liquefaction, subsidence, erosion, unstable soil, landslides, mudflows, fault rupture, <br />ground failure, seiche, tsunami, volcanos and expansive soils, can also be avoided or substantially <br />reduced based on project specific mitigation and design standards. Therefore, the Circulation and <br />Land Use Elements will not result in cumulative adverse impacts related to geologic hazards. <br />As discussed in the IS, the Grand Avenue area would be subject to seismic impacts similar to the <br />rest of the City and southern California. The Grand Avenue widening would not result in <br />significant adverse impacts related to liquefaction, subsidence, erosion, unstable soil, landslides, <br />mudflows; fault rupture, ground failure, seiche, tsunami, volcanos and expansive soils. Therefore, <br />the proposed widening of Grand Avenue would not contribute to significant cumulative adverse <br />impacts related to geologic hazards. <br />F.-IPROJ-ENMGrand eirWew Text- GrandlSection 6.0-new.doc Page 6-10 <br />