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7. UNDER -DISPENSER CONTAINMENT (UDC) TESTING Test Method Developed By: ❑ UDC Manufacturer ® Industry Standard ❑ Professional Engineer ❑ Other (Spec) Test Method Used: ❑ Pressure ❑ Vacuum ® Hydrostatic ❑ Other (Spec) Test Equipment Used: Incon Sump Tester Equipment Resolution: +/- 0.002" r UDC # 1/2 UDC # 3/4 UDC # 5/6 UDC # 7/8 x UDC Manufacturer: OPW OPW OPW OPW UDC Material: Fiberglass Fiberglass Fiberglass Fiberglass UDC Depth: 31" 31" 31" 31" Height from UDC Bottom to Top 21„ 22" 21" 20" of Highest Pi ,in Penetration: Height from UDC Bottom to 6" 6" 8" 8" Lowest Electrical Penetration: Condition of UDC prior to Good Good Good Good testing: Portion of UDC Tested 2" above piping 2" above piping 2" above piping 2" above piping Does turbine shut down when F UDC sensor detects liquid (both ❑ Yes ❑ No ® NA ❑ Yes ❑ No ® NA ❑ Yes ❑ No ® NA ❑ Yes ❑ No ® NA product and water)?* ' Turbine shutdown response time N/A N/A N/A N/A Is system programmed for fail- ❑ Yes ❑ No ® NA ❑ Yes ❑ No ® NA ❑ Yes ❑ No ® NA ❑ Yes ❑ No ® NA safe shutdown?` Was fail-safe verified to be ❑ Yes ❑ No ® NA ❑ Yes ❑ No ® NA ❑ Yes ❑ No ® NA ❑ Yes ❑ No ® NA operational?* Wait time between applying pressure/vacuum/water and 30 minutes 30 minutes 30 minutes 30 minutes starting : test Test Start Time: 4:11 pin 4:11 pm 1:04 pm 4:11 pm Initial Reading (Ri): 2.6825 0.1979 3.4624 7.2177 Test End Time: 4:26 pm 4:26 pm 1:19 pm 4:27 pm Final Reading (RF): 2.6527 1.5836 3.4624 7.2178 Test Duration: 15 min. 15 min. 15 min. 16 min. Change in Reading (RF -RI): 0.0298 1.7815 None 0.0001 Pass/Fail Threshold or Criteria: +/-0.002" +/- 0.002" +/- 0.002" +/-0.002" Test Result: ❑ Pass El Fail ❑ Pass El Fail ® Pass ❑ Fail M Pass ❑ Fail Was sensor removed for testing? ® Yes ❑ No ❑ NA ® Yes ❑ No ❑ NA ® Yes ❑ No ❑ NA ® Yes ❑ No ❑ NA Was sensor properly replaced and verified functional after testing? ® Yes ElNo ❑ NA ® Yes ElNo ❑ NA N Yes ❑ No ❑ NA ® Yes ❑ No ElNA 5 Comments — (include information on repairs made prior to testing, and recommended follow-up for failed tests) "Sensor functionality was not confirmed. This procedure is not part of the Secondary Containment testing scope of work". 1/2 & 3/4, Failed due to torn penetration conduits. a ' If the entire depth of the UDC 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 UDC must be tested. (See SWRCB LG -160)