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SWRCB.January 2002 Page 5 of 7 <br /> City of Stockton <br /> Corp Yard <br /> Stockton,CA <br /> November 21,2005 <br /> 7. UNDER-DISPENSER CONTAINMENT (UDC) TESTING <br /> Test Method Developed By: [ ]UDC Manufacturer [X]Industry Standard [ ]Professional Engineer <br /> [ ]Other(Specify) <br /> Test Method Used: [ ]Pressure [ ]Vacuum [X]Hydrostatic <br /> [ ]Other(Spec) <br /> Test Equipment Used: CALDWELL SYSTEM Equipment Resolution: 0.0025 <br /> UDC# 1-2 U/L, UDC#3—4 Diesel UDC#5—6 U/L UDC#'7—8 Diesel <br /> UDC Manufacturer: <br /> UDC Material: PLASTIC/POLY PLASTIC/POLY PLASTIC/POLY PLASTIC/POLY <br /> UDC Depth: 9 INCH 9 INCH 9 INCH 9 INCH <br /> Height from UDC Bottom to <br /> Top of Highest Piping <br /> Penetration: <br /> Height from UDC Bottom to <br /> Lowest Electrical <br /> Penetration: <br /> Condition of UDC prior to DRY-CLEAN CLEAN-DRY CLEAN-DRY CLEAN-DRY <br /> testing: <br /> Portion of UDC Testedl <br /> Does turbine shut down []YES[ ]NO []YES[ ]NO [ ]YES[ ]NO [ ]YES[ ]NO <br /> when UDC sensor detects [INA [ INA [ ]NA [ ]NA <br /> liquid(both product& <br /> water)? <br /> Turbine shutdown response <br /> time: <br /> Is system programmed for [ ]YES [ ]NO [ ] YES[ ]NO [ ]YES[ ]NO [ ]YES[ ]NO <br /> fail-safe shutdown? [X]NA [ I NA [ INA INA <br /> Was fail-safe verified to be [ ]YES[ ]NO [ ]YES[ ]NO [ ]YES[ ]NO [ ]YES[ ]NO <br /> operational? [X]NA NA [ INA [ INA <br /> Wait time between applying <br /> pressure/vacuum/water& <br /> starting test <br /> Test Start Time: 9:55 AM 8:34 A.M. 9:00 A.M. 8:23 A.M. <br /> Initial Reading(RI): 2 INCH 2 INCH 2 INCH 2 INCH <br /> Test End Time: 10:30 AM 9:05 A.M. 10:3_0 A.M. 8:53 AM. _ <br /> Final Reading(Rf): 5 INCH 5 INCH 5 INCH 5 INCH <br /> Test Duration: 30 MINUTES 30 MINUTES 30 MINUTES 30 MINUTES <br /> Chane in Reading f-RI) -0- -0- -0- -0- <br /> Pass/Fail Threshold or PASS PASS PASS PASS <br /> Criteria: <br /> Test Result: X PASS I FAIL [XI PASS FAIL 1XI PASS I FAIL LX1 PASS FAIL <br /> Was sensor removed for [X]YES [ ]NO []YES [ ]NO [ ]YES [ ]NO [X]YES [ ]NO <br /> testing? N/A N/A ]N/A [ I N/A <br /> Was sensor properly replaced [X]YES [ ]NO [X]YES [ ]NO [X]YES [ ]NO [X]YES [ ]NO <br /> and verified functional after [ ]N/A []N/A [ ]N/A [ ] N/A <br /> test? <br /> Comments—(include information on repairs made prior to testing,and recommended follow-up for failed tests) <br /> 1 If the entire depth of the UDC is not tested,specify how much was tested. If the answer to gAy of the questions <br /> indicated with an asterisk(*)is "NO"or"NA",the entire sump must be tested. (SWRCB LG-160) <br />