COMPLIANCE INFO_2021 - Laserfiche WebLink

Home Browse Search

PEI/RP1200-12 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. Test equipment shall 1. Slowly. a PP Y 1 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 1 minute, record the ending vacuum level. stopwatch or other time-measurement device capable of measuring a 1-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 sourceora vacuum pump powered by cover. an explosion-proof motor. Vacuum pumps with electric motors that are not expio- sion-proof may ignite flammable vapors. If a portable air compressor is used, it F h- should be located at least 20 feet away from the venturi-eductor or outside any = Class I, Division 1 area. Vacuum Source Control Valve 0-30"Water Column Vacuum Gauge a _ J Regulator FIGURE 6-3. The vacuum test method can detect a spill bucket leak by measuring the change in vacuum level during the test. P 6.3.6 Pass/Fail Criteria. If the ending vacuum level is 26 inches water column or greater,the spill bucket passes the test. . _ v 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 6-4. Check lines and connections to ensure Vacuum Test Method. that they are leak-tight before starting the test. y 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 (leaves, sediment and trash) in the spill applied to the interstitial space between the primary bucket. peLorg