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Visual Impact Assessment Griffith Energy Storage Project north,west,and south.The exact height and locations of the walls will be determined upon final equipment selection. 3.1.3.3 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. 3.1.3.4 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,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,or similar plan that incorporates stormwater best management practices 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. 3.1.3.5 Landscaping The Project would not include landscaping. 3.1.4 Construction Construction is anticipated to begin as early as 2023 and last for a 12-month period. Construction would generally consist of the following activities: • Site Preparation; • Fencing;and • Electrical Work. Grading and Site Preparation The site would be prepared for construction. Rough grading may be performed where required to accommodate the support structures and access roads.Grubbing and grading would occur onsite to achieve the required surface conditions. Site preparation may include application of pre-emergent herbicides formulated to minimize impacts on wildlife.Application would be in accordance with federal,state,and San Joaquin County regulations and would be applied by a California state- licensed pesticide applicator. OTETRA TECH 8 August 2023