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JAN -20-2009 09:34 Service Station Systems 408 938 8888 P.10 <br />10. UNDER-DISPi,,NSER CONTAINMENT (UDC) TESTING <br />Test Method Developed By: M UDC Manufacturer ® Industry Standard [j Professional Engineer <br />❑ Other (Specify) <br />Test Method Used: ❑ PressLLre p Vacuum ® Hydrostatic <br />El Other (Specify) <br />Test Equipment Used: Incon Sump <br />Tester <br />m <br />Equipment Resolution: +/- 0.002" <br />UDC # 17/18 UDC # 19/20 <br />UDC Manufacturer: <br />Western fiberglass <br />Weston fiberglass <br />UDC Material: <br />Fiber lass <br />Fiberglass <br />UDC Depth: <br />31" <br />31" <br />Height from UDC Bottom to Top <br />of Hi hest Pi _ in Penetration: <br />1 ? <br />12 <br />Height from UDC Bottom to <br />13" <br />13" <br />Lowest Electrical Penetration: <br />Condition of UDC prior to <br />Good <br />Good <br />testing: <br />Portion of UDC Tested <br />2" above eiping <br />2" above piping <br />Does turbine shut down when <br />UDC sensor detects liquid (both <br />❑ Yes ❑ No ® NA <br />❑ Yes ❑ No UNA <br />product and water)?* <br />Turbine shutdown res onse time <br />N/A <br />N/A <br />Is system programmed for fail- <br />L] Yes [jNo®N�� <br />Ll Yes El No ®N�1 <br />safe shutdown?' <br />Was fail-safe verified to be <br />❑Yes C]No ®NA <br />❑Yes ❑ No ®NA <br />operational?' <br />Wait time between applying <br />pressure/vacuum/water and <br />30 minutes <br />30 minutes <br />starting test <br />Test Start Time: <br />1:08 pm <br />1:08 pm <br />Initial Reading (R,): <br />3.9638 <br />2.8520 <br />Test End Time: <br />1:23 pm <br />1:23 pm <br />Final Reading (Rt): <br />3.9633 <br />2.8508 <br />Test Duration: <br />15 min. <br />15 min. <br />Change in Reading (RF -R,): <br />-0.0005 <br />-0.0012 <br />Pass/Fail Threshold or Criteria: <br />+/- 0.002" <br />+1-0.00-1 <br />Test Result: <br />El Pass Fail <br />21 Pass Fail <br />Was sensor removed for testing? <br />® Yes ❑ No ❑ NA <br />® Yes ❑ No ❑ NA <br />Was sensor properly replaced and <br />0 Yes ❑ No ❑ NA <br />I <br />! ® Yes p No ❑ NA <br />verified functional after testing? <br />Comments — (include information on repairs made prior to testing, and recommended_fbllorv-up.Jor.f(ziled tests) <br />"Sensor functionality was not confirmed. This procedure is not part of the Secondary Containment testing scope of work". <br />1 If the pntirP deptLof the L= isnnttested specify how uutcJx_wasteUed_ If ewes to hof the 4uestinns irifliic:a2�tdwithau <br />aste[isk (*) is "NO" or "t4X'. theepfim,.L>_DC must be testees (See SWRCB LCs -160) <br />