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-12 <br /> PEI/RP1200 <br /> 6.2.1 Purpose. This method is used to test the 5.if the spill bucket is found to have cracks,loose <br /> integrity of single-walled spill buckets or the pri- parts or separation of the bucket from the fill <br /> mary containment of secondarily contained spill pipe,it is not considered to be liquid-tight.This <br /> buckets. visually indicates a test failure. <br /> 6.2.2 Description of Test. The spill bucket is NOTE: If the fill cap is not included in the <br /> filled with water.The water level is measured at the spill bucket test and/or the cap is not tight, it <br /> beginning and end of the test. could be the source of potential fuel contami- <br /> 6.2.3 Test Equipment. Test equipment shall nation from water intrusion. <br /> include: <br /> NOTE: Before permanently plugging, ensure <br /> • water; that local regulations allow the drain valve to <br /> • measuring stick that is accurate to within 1/16 be permanently plugged. <br /> (0.063)inch and of sufficient length; -� <br /> • plumber's plug(appropriate size,if used); 6.2.5 Test Procedure. <br /> • stopwatch or other time-measurement device 1.Add water to the spill bucket to a level within <br /> capable of measuring a 1-second increment. 1.5 inches of the top of the spill bucket.Allow <br /> the water to settle for 5 minutes before the initial <br /> 6.2.4 Preparation. water level measurement is taken. <br /> I.Care should be taken when conducting the test 2.Place the measuring stick vertically at the lowest <br /> in the rain or during freezing weather condi- point in the spill bucket and extending above the <br /> tions. water level to allow for an accurate measure- <br /> 2.Remove and properly dispose of any liquid and ment to be taken.The location of the measuring <br /> debris (leaves, sediment and trash) in the spill stick must remain the same for each water level <br /> bucket.Clean the spill bucket and examine it for measurement. Document the initial water level <br /> damage,defects or improperly installed compo- measurement as measured from the bottom of <br /> nents. If there are loose components (e.g.,loose the spill bucket.Alternative measurement meth- <br /> band clamps or bolts),tighten these items before ods may be used provided that measurement to <br /> conducting the integrity test. If there are items 1/16(0.063)inch can be made. <br /> that must be repaired or replaced (e.g., deterio- 3.Take all precautions to prevent the water level <br /> rated gaskets/seals or drain valves), notify the from being disturbed during the duration of the <br /> owner/operator. test. <br /> 3.Examine the fill cap and adapter fitting for 4.After 1 hour, document the ending water level <br /> loose, missing or damaged parts, and make measurement. <br /> necessary repairs. Complete any repairs before 5.Upon completion of the test, remove and dis- <br /> putting water in the spill bucket.Make sure that pose of the water according to Section 6.7, and <br /> the seal on the fill cap is present and in good dry the inside of the spill bucket before returning <br /> condition.The cap must fit securely and be leak- <br /> tight on the riser.The water level during the test it to service. <br /> typically will be above the cap, so a leaking cap 6,2,6 Pass/Fall Criteria. If the water level has <br /> will result in a failed test.As an alternative to a dropped less than 1/8 (0.125)inch,the spill bucket <br /> tight fill cap,use a plumber's plug in the fill riser passes the integrity test. <br /> if approved by the authority having jurisdiction <br /> (AHJ)and tank owner. If the water level has dropped 1/8 (0.125) inch or <br /> 4.The spill-bucket drain valve, if present, must ate,the spill bucket fails the integrity test. <br /> be leak-tight to pass the test. If it is not leak- 6.3 Spill Bucket Integrity Testing -- Vacuum Test <br /> tight, it may be possible to simply remove and Method. <br /> permanently plug the drain valve. However, if <br /> you choose to permanently plug,ensure that the 6.3.1 Purpose. This method is used to test the <br /> local regulations allow this modification. integrity of single-walled spill buckets or the pri- <br /> pei.org <br />