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4 Environmental Analysis <br /> 4.16 Tribal Cultural Resources <br /> 4.16.6 PG&E Tesla Substation Improvements and Gen-tie <br /> To accommodate the Project, PG&E would be responsible for siting, design, and construction of <br /> the gen-tie line from the point of change of ownership (POCO) to its substation. Two options are <br /> available for the gen-tie line route from this point. The first option would be to connect via an <br /> aboveground line from the POCO to a point on the west side of the southwestern boundary of the <br /> substation. The second option is to enter the substation on the southwestern edge by way of a <br /> below ground line as shown in Figure 2-1 of Chapter 2, Project Description. Either right-of-way <br /> corridor is assumed to be up to 100 feet in width. <br /> Additionally, PG&E would upgrade the Tesla Substation, and the improvements would include <br /> the installation of a grounding system, disconnect switches, surge arresters, outdoor lighting and <br /> outlets, and fiber termination for the gen-tie line. The improvements made would be within the <br /> existing Tesla Substation footprint. <br /> Through the implementation of Mitigation Measures CUL-1 and CUL-2, these improvements <br /> would not have a substantial adverse effect on any tribal or cultural resources, and no additional <br /> mitigation measures would be required. <br /> 4.16.7 Cumulative Impacts <br /> Development of the proposed Project, in combination with other projects in the area, has the <br /> potential to contribute to a cumulatively significant tribal cultural resources impact due to the <br /> potential loss of historical resources, archaeological resources, and human remains unique to the <br /> region. However, as discussed in Section 4.16.5, Mitigation Measures CUL-1 and CUL-2 would <br /> mitigate impacts to tribal cultural resources to be less than significant, and compliance with <br /> existing regulations would ensure that any impacts to human remains would be less than <br /> significant. In addition, tribal cultural resources that are potentially affected by related or future <br /> projects would be subject to the same requirements of CEQA and the laws and regulations <br /> discussed above in Section 4.16.2. Therefore, the Project would contribute to a less than <br /> significant cumulative impact to tribal cultural resources. <br /> Griffith Energy Storage Project 4.16-4 Tetra Tech/SCH 2022120675 <br /> Draft Environmental Impact Report August 2023 <br />