2017-046 - Approving Addendum Nos. 1 and 2

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Santa Ana/Garden Grove Fixed Guideway Project Addendum Construction The potential construction impacts associated with the proposed Project construction were evaluated in the EIR. This chapter of the EIR evaluated potential construction impacts related to visual quality, energy resources, traffic, circulation, parking, hazardous materials, air quality, noise and vibration, and land use. Since the certification of the EIR, there have been no changes to the construction characteristics of the proposed Project as evaluated in the EIR. Proposed construction activities would remain the same as previously evaluated with respect to these environmental resource areas. The proposed design modifications would not change the previous conclusions regarding construction impacts. No additional impacts would occur to these environmental resources and the conclusions that the Project would not result in a significant impact to these resources as identified in the EIR remain accurate. Other Considerations The EIR addressed several environmental issue areas within Chapter 3.17 Other Considerations. These included: Biological Resources, Utilities and Service Systems (Wastewater Treatment and Facilities, Stormwater Drainage Facilities, Water Supply, and Solid Waste Disposal and Compliance Regulations), Parklands and Recreational Facilities, Growth Inducing Impacts, Significant Irreversible Environmental Changes, and Summary of Significant Unavoidable Impacts Biological Resources. The proposed design modifications would not significantly impact biological resources as these resources are not present within, or in proximity to, the limits of disturbance associated with implementation of the design modifications. No additional impacts would occur to this environmental resource and the conclusions that the Project would not result in a significant impact to this resource as identified in the EIR remain accurate. Utilities and Service Systems. The proposed design modifications would result in less than significant impacts to wastewater treatment facilities, stormwater drainage facilities, water supply, and solid waste disposal. As with the Project described in the EIR, implementation of the design modifications would not generate wastewater from activity along the alignment or at stations. Wastewater would be generated by the 0&M Facility, but no change to the 0&M Facility is proposed, and as identified in the EIR, the 0&M Facility would not put added strain on existing wastewater treatment capacity. Project modifications are proposed related to drainage improvements as described previously under "Water Quality, Hydrology and Floodplains." No change to the previous conclusion of less than significant impact would occur. The design modifications would not change the water use associated with operation and maintenance of the Project, such as vehicle washing and worker hygiene. No change to the previous conclusion of less than significant impact would occur. Solid waste receptacles would be placed at stations, and solid waste would be generated at the 0&M Facility. However, no changes to these aspects of the Project are proposed with the design modifications, therefore, no change to the previous conclusion of less than significant impact would occur. Parklands and Recreational Facilities. The proposed design modifications would not significantly impact parklands and recreational facilities. No additional impacts would occur to these environmental resources and the conclusions that the project would not result in a significant impact to these resources as identified in the EIR remain accurate. 151P age 1170726.1