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PERMIT #: M- 1980 -244 <br />INSPECTOR'S INITIALS: TC1 <br />INSPECTION DATE: March 11, 2015 <br />The North and South Arequa Gulch underdrains were inspected. The South Underdrain discharge was <br />determined to be 15.0 gpm. The North Underdrain was dry. The A35 and B63 pumpback lines were dry. The <br />interior of the Arequa Gulch pumpback vault was inspected. The exterior of the pipes are corroding due to the <br />closed and humid environment. No cracks or movement in the concrete vault were observed above the <br />waterline (see 02 Photo 6). <br />Transducer Readings: <br />Phase 1 High Volume Solution Collection (readings in ft) <br />Pump #299 / XDCR #xx Pump #300 / XDCR #00 <br />36.9 34.3 <br />Pump #301 / XDCR #01 Pump #302 / XDCR #02 Pump #303 / XDCR #03 <br />23.0 33.8 37.8 <br />Phase I Low Volume Solution Collection (readings in ft) <br />Pond Lvl / XDCR #1 System Press / XDCR #2 <br />53.20 48.80 <br />Phase I Pond Piezometers (readings in ft) <br />Piezo #1 (HAND) Piezo #2 (AUTO) <br />0.57 0.74 <br />Phase 11 & III High Volume Solution Collection (readings in ft) <br />Pump / XDCR #4 Pump / XDCR #5 Pump / XDCR #6 <br />23.0 17.8 24.7 <br />Phase II & III Low Volume Solution Collection (readings in ft) <br />Pump / XDCR #1 (AUTO) Pump / XDCR #2 (AUTO) <br />0.71 0.41 <br />Phase II & III Pond Piezometer (readings in ft) <br />Piezo (Pipe) <br />31.80 <br />Phase IV High Volume Solution Collection (readings in ft) <br />Pump #4 / XDCR #307 Pump #5 / XDCR #308 <br />32.9 32.8 <br />Phase IV Low Volume <br />Pump / XDCR #1 <br />17.80 <br />action (readings in inches <br />Pump/ XDCR #2 <br />11.80 <br />Phase V High Volume Solution Collection (readings in ft <br />XDCR #311 (AUTO) XDCR #312 (AUTO) <br />32.74 21.17 <br />Phase V Low Volume Solution Collection (readings in inches <br />XDCR #001 XDCR #002 <br />9.42 <br />nal Pond Low Volume Soluti <br />Pump / XDCR #1 -EXT (AUTO) <br />9.7 <br />15.50 <br />Pump / XDCR #2 -EXT (AUTO <br />13.4 <br />Pump #6/ XDCR #309 XDCR pipe ( #310 Reserved) <br />32.5 32.5 <br />XDCR #313 (AUTO) XDCR #314 (AUTO) <br />20.30 30.90 <br />Page 4 of 8 <br />