2017-046 - Approving Addendum Nos. 1 and 2

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Santa Ana/Garden Grove Fixed Guideway Project Addendum #2 with other objects and equipment located along the sidewalks and ROW, such as generators and telecommunication equipment. Since, TPSS unit 4 will be constructed adjacent to an existing parking structure at the modern SARTC facility, it will not have a visible and/or audible or atmospheric impact or vibration impact from construction on any previously identified historic property, nor necessitate a change in the APE. Area of Potential Effects (APE) The only impacts to the APE resultfrom footprint modifications and anticipated revised construction limits resulting from advancement of 30% design to 60% design modifications which include trenching in public streets for drainage improvements, utility connections, paving, striping, signing, curb ramp and driveway approach improvements, the addition of a TCE for a maintenance road turnaround on the east side of the SAR, sidewalk paving re -construction to match existing at Nova Academy on the corner of Ross Street and 4th Street (APN 398-221- 19), and anticipated improvements at the driveway approach to the County of Orange Sherrifrs Department Complex and specifically the parcel containing the Orange County Coroner's Office on W. Santa Ana Boulevard (APN 405-201- 13). As a result, the APE was expanded to include consideration of effects on adjacent parcels APN 405-201-13 and APN 398-221-19. An additional change to the APE was made in response to the SHPO's 2016 comments regarding the inclusion of the entirety of individual resources and historic properties located within it. Minor updates have also been made to the APE in response to comments received from the SHPO in October 14, 2016 regarding the comment to include of the entirety of the Pacific Electric Railroad Bridge (P-30-161847). The current APE map set is included in Appendix B, Attachment B, and updates are reflected on Sheets 2, 4, 6, 7, 8, 10, 12, 13, and 15. Identification of Historic Properties The areas of the expanded 2017 APE do not include any newly identified historic properties since the 2014 survey, and what was included in the 2015 APE. None of the properties added to the expanded APE are 50 years of age or older. Nova Academy (APN 398-221-19) built in 2005 Orange County Coroner's Office (APN 405-201-13) built in 1981 Conclusion Minor updates have been made to the APE in response to comments received from the SHPO in October 14, 2016 regarding the comment to include of the entirety of the Pacific Electric Railroad Bridge (P-30-161847) within the APE of the Project, and to address expanded limits of construction for minor surface improvements and utility trenching and consideration of adjacent parcels to paving re -construction at Nova Academy and anticipated driveway approach improvements at the County of Orange Sherrifrs Department Complex (and specifically on the APN containing the Orange County's Coroner Office). The expanded 2017 APE does not include any newly identified historic properties from what has been previously reported for the Project. None of the parcels added to the expanded 2017 APE contain buildings that are 50 years of age or older. Indirect visual and/or audible atmospheric impacts or vibration impacts from changes in construction have been considered in this assessment. There are no known archaeological resources eligible for listing in the NRHP located within the expanded 2017 APE. The current cultural resources analysis confirms thatthe proposed engineering refinements to the project do not change the previous conclusions regarding cultural resources. No adverse effects are expected for the design modifications under NEPA. Under CEQA, a less than significant impact would remain the finding for the design modifications. The sensitivity of the area for archaeological resources and the recommendation for archaeological monitoring to be conducted for earth -disturbing activities that could encounter previously undisturbed soils remain unchanged and will remain consistent with the 2015 EA/EIR. 81 Page 1170726.1