2017-046 - Approving Addendum Nos. 1 and 2

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The proposed sidewalk paving re -construction at Nova Academy on the corner of Ross Street and 41 Street (described in #3 above) is temporary in nature, and would not require acquisition or physical alterations with any surrounding historical properties. The only potential for an adverse impact to occur during construction would result from indirect vibration effects that cause physical damage to historic structures. There have been no historic -era structures identified adjacent to the proposed location and the Nova Academy (APN 398-221-19) was built in 2005. There is a change needed to include APN 398-221-19 within the APE. Anticipated improvements at the driveway approach to the County of Orange Sherriffs Department Complex on W. Santa Ana Boulevard (described in #3 above), and specifically adjacent to the Orange County Coroner's Office (APN 405-201-13), are temporary in nature. They do not require acquisition or physical alterations with any surrounding historical properties. The only potential for an adverse impact to occur during construction would result from indirect vibration effects that cause physical damage to historic structures. There have been no historic - era structures identified adjacent to the driveway approach and the Orange County Coroner's Office (APN 405-201-13) was built in 1981. There is a change needed to include APN 405-201- 13 within the APE. Area of Potential Effects (APE) After reviewing the proposed project changes, the only proposed design modifications that impact the APE are those miscellaneous design modifications for anticipated revised construction limits of the Project 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 Sherriff's Department Complex and specifically the parcel containing the Orange County Coroner's Office on W. Santa Ana Boulevard (APN 405-201-13). The following sheets of the APE map (Attachment B) have been modified to reflect the proposed project changes: Sheet 2: Street improvements proposed within the ROW on Harbor Blvd. are now included within the APE. Sheet 4: In response to the SHPO's 2016 comments regarding the inclusion of the entirety of individual resources and historic properties located within it, the entirety of the Pacific Electric Railroad Bridge (P-30-161847) resource is included within the APE. The proposed TCE is located within the mapped boundary of the Pacific Electric Railroad Bridge, which is now included within the APE, so there are no further modifications to the APE needed to include the TCE area. Sheet 6: Utility connections proposed within the ROW of W. 5"' St. are now included within the APE. Sheet 7: Street improvements proposed within the ROW on N. Western Ave., N. Forest Ave, N. Pacific Ave., N. Hesperian St., and N. Bristol St. are now included within the APE.