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maximum of only two (2) hours over any twenty-four (24) hour period. The <br />two (2) hour total application is broken down into several intermittent <br />pulsing periods. This application methodology allows for evapo- <br />transpiration time in between pulsing periods. This allows for a built in 12:1 <br />safety factor. As a back up to the 12:1 safety factor, the system is controlled <br />via moistures sensors placed in each application zone. 7-H's TC2K <br />Computerized control and monitoring system reads the sensors and transfers <br />zones well in advance to soil moistures approaching saturation. This is a <br />significant advantage during inclement weather periods. <br />2. Discharges high quality treated effluent below the ground surface. This <br />precludes the chance of "public contact" with the effluent. Although the <br />BioPureTM effluent meets California Title 22 Requirements for Landscape <br />Irrigation, the sub-surface application offers an additional safeguard for the <br />protection of Public Health. <br />Sub-surface Irrigation/Disposal Area: <br />The area selected for placement of the sub-surface irrigation/disposal area is illustrated on <br />Dwg. #1, Section III to this report. The area is on the lower section of the 4:1 slope of <br />the Sound Wall Berm, located between the wall and the railroad right of way. The area is <br />approximately 2500 feet long by 22 feet wide, (1.26 acres). This area has three (3) <br />distinct advantages, as follows; <br />Places the irrigation/disposal area in an area that is separated (by the Sound <br />Wall) from the home owner lots. This precludes the occasional potential for <br />a homeowner to dig in the disposal area. <br />Provides for irrigation water (sub-surface) for ground cover erosion <br />protection and stabilization of the outer sound wall slope. <br />Places the irrigation/disposal area in an area that has adequate soils for sub- <br />surface percolation. <br />6 <br />J