COMPLIANCE INFO_2019 - Laserfiche WebLink

Home Browse Search

PEURP1200-12 pipe, it is not considered to be liquid-tight. This and secondary containment. The vacuum level is visually indicates a test failure. monitored for a 1-minute period. 6.3.5 Test Procedure. 6.4.3 Test Equipment. lest equipment shall —.01 L Slo%;,ly apps} a Vacuum of 30 inches water include: column to the spill bucket and close the valve. vacuum test apparatus (The test apparatus may If a 30-inch water column vacuum cannot be be available from the spill-bucket manufacturer. attained, the spill bucket fails the test. See It includes an air pressure regulator, a vacuum Appendix B for pressure and vacuum conver- source, a vacuum gauge with a minimum 0-30 sions. inch water column range, a test fitting and a 2.Start the time-measurement device and record control valve.The control valve is used to adjust the initial vacuum level shown on the gauge. the vacuum level.); 3. After I minute,record the ending vacuum level. stopwatch or other time-measurement device capable of measuring a I-second increment. Upon completion of the test, release the vacuum, remove the test apparatus and the gasketing mate- WARNING: Use only an air-operated vacu- rial from the spill bucket and replace the original um source or a vacuumum p p powered by cover. an explosion-proof motor. Vacuum pumps with electric motors that are not explo- sion-proof may ignite flammable vapors. If a portable air compressor is used, it should be located at least 20 feet away from the venturi-eductor or outside any Class I, Division 1 area. k come:Valve � Y 0-30^wafer Coiumr Vacuum Gauge i FIGURE 6.3. The vacuum test method can detect a spill bucket leak by measuring the change in vacuum level during the test. 6.3.6 Pass, Fail Criteria. If the ending vacuum level is 26 inc.hc-, �%rater column or greater,the spill -- bucket passes the test. If the ending vacuum level is less than 26 inches water column, the spill bucket fails the test. 6.4 Double-Walled Spill Bucket Integrity Testing — FIGURE C-4. Check lines and connections to ensure Vacuum Test Method. that they are leak-tight before starting the test. 6.4.1 Purpose. This method is used to test the Integrity of the primary and secondary containment 6.4.4 Preparation. of the double-walled spill bucket. 1. Remove and properly dispose of any liquid and 6.4.2 Description of Test. A partial vacuum is debris (leave.~, sediment and trash) in the spill applied to the interstitial space between the primary bucket. pei.org