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4 Environmental Analysis 4.7 Geology, Soils, and Paleontological Resources This report should provide "estimates of expected peak ground accelerations during maximum credible earthquake potentially affecting the site." Title 9, Division 11 (Infrastructure Standards and Requirements), provides requirements for on- site wastewater disposal facilities, including a sanitation permit (Chapter 9-1110.3 and 9-1110.4) and disposal facility standards (Chapter 9-1110.5). Title 9, Division 14 (Grading and Excavation Provisions), provides requirements for grading, including obtaining a grading permit (Chapter 9-1405.2), exemptions (Chapter 9-1405.3), and removal of earth materials from the site (Chapter 9-1405.5). Alameda County General Plan Policies and implementation programs are provided in the East County Area Plan (a portion of the Alameda County General Plan), as described below (ACCDA 2000): Policy P309: The County shall not approve new development in areas with potential for seismic and geologic hazards unless the County can determine that feasible measures will be implemented to reduce the potential risk to acceptable levels, based on site-specific analysis. The County shall review new development proposals in terms of the risk caused by seismic and geologic activity. Policy P310: The County, prior to approving new development, shall evaluate the degree to which the development could result in loss of lives or property, both within the development and beyond its boundaries, in the event of a natural disaster. Policy P311: The County shall ensure that new major public facilities, including emergency response facilities (e.g., hospitals and fire stations), and water storage, wastewater treatment and communications facilities, are sited in areas of low geologic risk. Policy P312: The County shall ensure that major transportation facilities and pipelines are designed, to the extent feasible, to avoid or minimize crossings of active fault traces and to accommodate fault displacement without major damage that could result in long-term disruption of service. Policy P313: The County shall require development in hilly areas to minimize potential erosion and disruption of natural slope stability which could result from grading, vegetation removal, irrigation, and drainage. Policy P314: The County shall prohibit the construction of any structure intended for human occupancy within 50 feet on either side of the Calaveras, Greenville, or Verona earthquake fault zones as defined by the Alquist-Priolo Earthquake Fault Zoning Act. Policy P315: The County shall require that buildings be designed and constructed to withstand groundshaking forces of a minor earthquake without damage, of a moderate earthquake without structural damage, and of a major earthquake without collapse of the structure. The County shall require that critical facilities and structures (e.g., hospitals, emergency operations centers) be designed and constructed to remain standing and functional following an earthquake. Implementation Program 111: The County shall delineate areas within East County where the potential for geologic hazards (including seismic hazards, landslides, and liquefaction) warrants preparation of detailed site specific geologic Griffith Energy Storage Project 4.7-13 Tetra Tech/SCH 2022120675 Draft Environmental Impact Report August 2023