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Page 4 of 8 6. PIPING SUMP TESTING Test Method Developed By: ❑ Sump Manufacturer 1XI Industry Standard ❑ Professional Engineer ❑ Other (Specify) Test Method Used: ❑ Pressure ❑ Vacuum El Hydrostatic ❑ Other (Specify) Test Equipment Used: Caldwell Level Chancle Indicator I Equipment Resolution: 0.0025 Was sensor removed for testing? ® Yes ❑ No ❑ NA ® Yes ❑ No ❑ NA IRI Yes ❑ No ❑ NA ❑ Yes ❑ No ❑ NA Was sensor properly replaced after IM Yes ❑ No ❑ NA ® Yes ❑ No ❑ NA ® Yes ❑ No ❑ NA ❑ Yes ❑ No ❑ NA testing? Comments — (include information on repairs made prior to testing, and recommended follow-up for failed tests) ' If the entire depth of the sump is not tested, specify how much was tested. If the answer to any of the questions indicated with an asterisk (*) is "NO" or "NA", the entire sump must be tested. (See SWRCB LG -160) Reg. sump # Prem. sump # Diesel sump # sump # Sump Diameter: 42" 42" 42" Sump Depth: 46" 46" 44" Sump Material: FG FG FG Height from Tank Top to Top of Highest Piping Penetration: 21" 21" 22" Height from Tank Top to Lowest Electrical Penetration: 14" 12" 15" Condition of sump prior to testing: Dry Dry Dry Portion of Sump Tested' 50% 50% 50% Does turbine shut down when sump sensor detects liquid (both product and water)?* ❑ Yes ❑ No ® NA ❑ Yes ❑ No ® NA ❑ Yes ❑ No ® NA ❑ Yes ❑ No ❑ NA Turbine shutdown response time N/A N/A N/A Is system programmed for fail-safe shutdown?' ❑ Yes ❑ No ® NA ❑ Yes ❑ No ® NA ❑ Yes ❑ No IM NA ❑ Yes ❑ No ❑ NA Was fail-safe verified to be operational?* ❑ Yes ❑ No MINA ❑ Yes ❑ No ®NA ❑ Yes ❑ No IR NA ❑ Yes ❑ No LINA Wait time between applying pressure/vacuum/water and starting test: 5 min 5 min 5 min Test Start Time: 01:30 02:45 01:15 Initial Reading (Ri): 0.0025 0.0025 0.0025 Test End Time: 02:00 03:15 01:45 Final Reading (RF): 0.0025 0.0025 0.0025 Test Duration: t/2 hr 1/2 hr 1/2 hr Change in Reading (RF-Ri): 0 0 0 Pass/Fail Threshold or Criteria: 1/16th in hour 1/16th in hour 1/16th in hour Was sensor removed for testing? ® Yes ❑ No ❑ NA ® Yes ❑ No ❑ NA IRI Yes ❑ No ❑ NA ❑ Yes ❑ No ❑ NA Was sensor properly replaced after IM Yes ❑ No ❑ NA ® Yes ❑ No ❑ NA ® Yes ❑ No ❑ NA ❑ Yes ❑ No ❑ NA testing? Comments — (include information on repairs made prior to testing, and recommended follow-up for failed tests) ' If the entire depth of the sump is not tested, specify how much was tested. If the answer to any of the questions indicated with an asterisk (*) is "NO" or "NA", the entire sump must be tested. (See SWRCB LG -160)