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2 Project Description 2.5.2.8 Lighting Low-elevation, controlled security lighting would be installed at the access gate and the entrance to the energy storage structures. The lighting would only switch on when personnel enter the area (through either motion-sensor or manual activation [switch]). All safety and emergency services signs would be lit when the lights are on. The lighting would be shielded so the light is directed downward. Lighting would be only in areas where it is required for safety, security, or operations. All lighting would be directed on-site and would include shielding as necessary to minimize illumination of the night sky or spillover onto adjacent properties. 2.5.2.9 Stormwater Facilities The site drainage is designed to follow the natural drainage pattern of the site. The Project would include swales and armored outlets to direct stormwater, as shown in the preliminary grading and site plan provided as Figure 2-2, and in accordance with San Joaquin County and state of California standards. Site preparation and construction activities would be performed in accordance with a Stormwater Pollution Prevention Plan (SWPPP), or similar plan that incorporates stormwater best management practices (BMP) to reduce the adverse effects of erosion and sedimentation. Such practices would include, for example, the use of water trucks to manage dust; silt fencing, straw wattles, temporary catch basins, and inlet filters to control stormwater; and truck tire muck shakers, or similar devices, to prevent mud and debris from being carried onto roadways. 2.5.2.10 Landscaping The Project would not include landscaping. Applicant-proposed Measures and Design Features The Applicant proposes to take certain actions for the purpose of reducing the potential significance of anticipated environmental impacts of the Project. These measures are elements of the Project, either as a specific design feature or as a plan developed by the Applicant. Where the analysis of individual resources relies on these plans or design features to reduce anticipated effects, the relevant section so notes. By contrast, mitigation measures are not elements of the Project and are structured in accordance with the criteria in CEQA Guidelines Section 15370. Wildlife-friendly Design Features Fence posts would be capped to prevent potential entrapment of birds or other small species. Further, the design of new overhead transmission and communications lines and structures would follow the most recent Avian Power Line Interaction Committee guidance to reduce the potential for avian injury and mortality from collisions and electrocution. The proposed use of motion- activated security lighting (rather than lighting that would remain on from dusk to dawn) would reduce adverse impacts to nocturnal species, potentially including foraging, sheltering, mating and reproducing, communicating, and migrating behaviors. Griffith Energy Storage Project 2-7 Tetra Tech/SCH 2022120675 Draft Environmental Impact Report August 2023