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SWRCB, January 2002 <br />7. UNDER -DISPENSER CONTAINMENT UDC TESTING <br />Page of <br />Test Method Developed By: UDC Manufacturer ,^ Industry Standard X Professional Engineer <br />Other (Spec) <br />Test Method Used: L' Pressure Vacuum X Hydrostatic <br />Other (Specify) <br />Test Equipment Used: Caldwell'Level Change Indicator <br />Equipment Resolution: .002 <br />UDC Manufacturer: <br />UDC # 1&2 <br />UDC # <br />UDC # <br />UDC # <br />Western Fiberglass <br />UDC Material: <br />Fiberglass <br />UDC Depth: <br />28" <br />Height from UDC Bottom to Top <br />of Highest Piping Penetration: <br />10" <br />Height from UDC Bottom to <br />Lowest Electrical Penetration: <br />6" <br />Condition of UDC prior to <br />testing: <br />Dry <br />Portion of UDC Tested' <br />Water Level 12" <br />Does turbine shut down when <br />UDC sensor detects liquid (both <br />product and water)?* <br />Yes <br />Turbine shutdown response time <br />Not Alarmed <br />Is system programmed for fail- <br />safe shutdown?* <br />Yes <br />Was fail-safe verified to be <br />operational?* <br />No <br />Wait time between applying <br />water and starting test <br />*Not tested <br />See comments <br />Test Start Time: <br />Initial Reading Ri): <br />Test End Time.. <br />Final Reading (RF): <br />Test Duration: <br />Change in Reading (RF-Ri): <br />Pass/Fail Threshold or Criteria: <br />Test Result: <br />Not tested <br />Was sensor removed for testing? <br />NA <br />Was sensor properly replaced and <br />verified functional after testing? <br />NA <br />Comments — (include information on repairs made prior to testing, and recommended follow-up for failed tests) <br />*Unable to test UDC due to torn Secondary Test Boot on the Diesel Secondary Pipe. <br />Unable to change test boot due to UDC components blocking access to reach test boot. <br />Recommend a repair contractor remove Healy Vacuum Pump and connected copper tubing to allow possible access. <br />Recommend test boots on both Diesel and Regular 87 at UDC be change when access is made available. <br />Note: Test boot for the Regular 87 Secondary Pipe at the UDC is still able to hold test pressure at this testing event. <br />' If the entire depth of the UDC is not tested, specify how much was tested. If the answer to as of the questions indicated with an <br />asterisk (*) is "NO" or "NA", the entire UDC must be tested. (See SWRCB LG -160) <br />