2017-046 - Approving Addendum Nos. 1 and 2

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been no historic -era structures identified adjacent to any of the proposed locations. As such, there is a change needed to include these newly proposed areas within the APE, but there are no additional adjacent parcels that need to be added to the APE for consideration of indirect effects as a result of this proposed work. The Proposed TCE for a maintenance road turnaround on the east side of the SAR (described in #3 above) is located within the mapped boundary of the Pacific Electric Santa Ana River Bridge (P-30-161847). The boundary of this resource is comprised of the historic Pacific Electric Bridge and the historic Pacific Electric ROW surrounding the bridge; the TCE is within the historic ROW portion of the resource boundary and approximately 100 ft. northeast of the historic bridge (Figure 2). The feature that qualifies the Old Pacific Electric Santa Ana River Bridge as a historic property, the Pegram truss, is defined by its features of a distinguishable geometric design, with the posts arranged at increasing angles from the vertical chords from the center of the truss towards the ends. These features are most distinguishable at the top of the bridge span. The proposed TCE would be considered temporary since no permanent improvement would occur that would directly effect or physically alter the character -defining feature of the Pacific Electric Railroad Bridge resource. Given the temporary nature of the work, the views of the existing bridge would only be partially obstructed at the base of the bridge and to a limited group of viewers, and for a limited amount of time; therefore, the TCE would not substantially impair the historic bridge's activities, or views of the Pegram truss architecture. The TCE will not adversely affect the integrity or features and attributes that qualify the Pacific Electric Santa Ana River Bridge as a historic property. Thus, there would be no adverse effects resulting from the TCE northeast of the historic Pacific Electric Santa Ana River Bridge. The APE needs to be modified to include this newly proposed TCE within, but there are no additional adjacent parcels that need to be added to the APE for consideration of indirect effects as a result of this proposed work. Figure 2. Proposed new location of TCE at the SAR, just northeast of the location of the Pacific Electric Santa Ana River Bridge (P-30-161847).