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Agreement D 12-030 2. Initial Sampling and Water Quality Analyses in Low Flows A minimum of one grab sample will be collected at each candidate diversion location along with flow measurements. Laboratory testing will be conducted for selenium, total dissolved solids, and nitrate in the water samples using protocols previously used for the Nitrogen and Selenium Management Program. Deliverables: • Laboratory test results and flow measurements 3. Existing Utility Research A preliminary utility search will be conducted at each candidate diversion location. It is assumed all general utility information will be obtained from the City of Santa Ana. Utilities of interest include: • Sanitary sewer • Local storm drain facilities • Existing potable/reclaimed water pipelines • Natural gas pipelines • Petroleum pipelines • Electrical service Deliverables: • Incorporate Existing Utility Research into Conceptual Site Layout 4. Develop Preliminary Diversion Sizing Requirements Preliminary sizing of the candidate diversion locations will include the following: • Establish flow rates and identify gross solids removal requirements • Establish volumetric requirements for a wet-well storage basin • Establish general flow and conveyance requirements • Establish pumping requirements assuming an eight-hour runtime A general listing of equipment requirements and associated sizing will be provided. Deliverables • Incorporate Preliminary Diversion Sizing Requirements into Conceptual Site Layout and Conceptual Design Report Conceptual Site Layout Conceptual site layouts will be developed for each of the candidate diversion locations. The conceptual site layouts will include the following: • Identify site constraints for each candidate diversion location • Site configurations for the proposed channel diversion structures 25A-33