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Upper Arm Day Use Area <br /> <br />Septic System Design Criteria <br />and <br /> Operation Guide <br /> <br />Backg[_oJJ od Informs.rich; <br /> <br /> In order to have flush toilets at the Upper Arm Day Use Area, we are <br />required to have an adequate septic system and replacement system which will <br />handle the wastewater. We (the Federal Government) must follow the regulations <br />set by the State and County. Because of our unusual wastewater situations, no <br />accurate load design data Js available. Therefore, the system design incorporates <br />monitoring of the water usage and drain field performance Which not only insures <br />the system is working but also provides us data for future designs. <br /> <br />System; <br /> The system consists of <br /> - Resttoom Bt~ilding with 4 toilets, 2 sinks, & I urinal <br /> - 1500 gal. septic tank <br /> - 1000 gal septic tank (for Host Site) <br /> - 2 inspection pipes for monitoring <br /> - appre×, 400~ of drain line. <br /> <br />The replacement system consists of the above system plus - 1000 gal. dosing tank (With pump) <br /> - 24' x 24' sand filter <br /> <br />Operation: <br /> 1. Determine the peak flows from water meter monitoring. <br /> <br />One day per weekend and on all Holidays wastewater levels in <br />the inspection pipes shall be measured and recorded at peak <br />flows. <br /> <br />A copy of the Data Reports should be sent to the Facility <br />Engineering Department at the Supervisors Office and Marion <br />County if requested. <br /> <br />if standing water in the inspection pipe is maintained at a <br />significant level for 24 hours, immediately contact the District <br />Recreation Assistant for closure procedures. <br /> <br />5. The replacement system shall be constructed in accordance <br /> with the County Sanitarians recommendations. <br /> <br /> <br />