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SWRCB, January 2002 6. PIPING SUMP TESTING Page 4 of 7 Test Method Developed By: U Sump Manufacturer INIndustry Standard U Professional Engineer U Other (Specify) Test Method Used: ❑ Pressure ❑ Vacuum M Hydrostatic ❑ Other (Spec) Test Equipment Used: Caldwell Sump # 1 Sump # Sump Diameter: 4211 Equipment Resolution: Sump # Sump # Sump Depth: 4011 Sump Material: Height from Tank Top to Top of Highest Piping Penetration: 2411 Height from Tank Top to Lowest Electrical Penetration: 1211 Condition of sump prior to testing: Clean/Dry Portion of Sump Tested' 2611 Does turbine shut down when sump sensor detects either product or watery X Yes I No U NA U Yes U No t I NA U Yes U No U NA U Yes U No U NA Turbine shutdown response time'* 3 Seconds Is system programmed for fail-safe shutdown?* Xl Yes U No U NA U Yes U No U NA U Yes U No U NA a Yes U No U NA Was fail-safe verified to be operational?* XI Yes U No U NA lJ Yes tJ No U NA LI Yes L I No U NA I 1 Yes U No U NA Wait time between applying pressure/vacuum/water and starting test: i hr. 2 Test Start Time: 9.4 5 Initial Reading (R,): 0 Test End Time: 10 :15 Final Reading (Rt): 0 Test Duration: r Change in Reading (R)m-R,): 0 Pass/Fail Threshold or Criteria: 0 Loss Test Result: LIKPass U Fail U Pass U Fall U Pass U Fail U Pass U Fall Was sensor removed for testing? X Yes LI No U NA U Yes U No U NA U Yes U No U NA U Yes U No U NA Was sensor properly replaced and verified functional after testing? X Yes U No U NA U Yes U No U NA U Yes U No U NA U Yes U No U NA Comments — (include information on repairs made prior to testing, and recommended follow-up for failed tests) ' If the testing method does not test the entire depth of the sump, specify how much of the sump was tested. Methods not testing the entire sump should only be used if the monitoring system provides fail-safe turbine shutdown. (See SWRCB LG -160) 2 With the submersible pump running, place the sensor in product (discriminating sensors should also be placed in water). The time between placing the sensor in product and the turbine shutting down is the response time. This should be done if the secondary containment testing method used does not test the entire volume of the sump. This information is not needed if the entire sump is tested.