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<br />. <br /> <br />5. <br /> <br />Divide the sewer system into approximately <br />subsystems based on land use, topography, age of <br />drainage criteria, taking into consideration <br />excessive III is apparent. <br /> <br />14 drainage <br />system, and <br />areas where <br /> <br />Phase III - In-system ~low Monitoring and Investigations <br />1. Install and monitor up to 14 static groundwater observation <br />wells at selected locations throughout the system to aid in <br />determining seasonal and climatic groundwater fluctuations. <br /> <br />2. Index groundwater observation wells to Owner's datum, as <br />appropriate. <br /> <br />3. <br /> <br />4. <br /> <br />. <br /> <br />Install and monitor <br />recording type rain <br />the system. <br /> <br />an appropriate number of continuous- <br />gauges at selected locations throughout <br /> <br />Install and monitor up to four (4) event recorders in key lift <br />stations selected by the Engineer for use during the flow <br />monitoring program. The installation shall be done by a <br />qualified electrician. <br /> <br />5. Monitor the flows at selected manholes within the sanitary <br />sewer system, the discharges through known bypasses and <br />crossovers, and the flows from major drainage basins in the <br />sanitary sewer system. Flow monitoring will be undertaken to <br /> <br />- 5 - <br />