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PEIlRPt 200-12 <br /> pipe, it ib not eons lcr�d to he liquid-tiSlu. ' hIg and mcandary caitit.rinment. The vacuum level is <br /> visually indicates a last failtive. monitored for a I-ininule perimi. <br /> 6.3.5 Test Procedure. 6.4.3 Test Equipment. TcA equipment shall <br /> 1. Slowly apply a vactium of 3{) inches w;�tcr include: <br /> column to the spill bucket and close €lie valve, vacuum I" appiirAtu� (Ilia teal. aiiparalus may <br /> If a 3 -inch water column vaciwrn cannot be, be available from me.spill-bucket mrruurfacturrz. <br /> attained, thu shill Fu cket fails the test. ,fee it includes an air pressure itgulator, a vacti um <br /> Appendix R for pressure and vacuum convcr- source, a vacuum gauge with a minimum 0-30 <br /> slows. uwh waver column range. a test fitting and a <br /> 2. Stda the device and record cantr aI valve.The control valve is wwd to adJust <br /> the initial Vacuum leved shown on the gatigc, the vacuum level.); <br /> 3. Aftcr 1 ininute, record the ending vRcuuin]eve]. slopwfrtch 411 ollltr timc.Lrr=Urcrnur t. devicu <br /> capable of txteat wring a l-second lnCrernenE. <br /> Upon itipleuon of the test, release the vacuum, <br /> re,ric,ve 1110 test appaCELIus aad Elio gaakttiug nnitc WARNING: Use only an air-operated vacu- <br /> rial froin the spill bucket and repince [Ito or-tginal um source or a vacuum pump powered by <br /> Myer an explosion-proof motor. Vacuum pumps <br /> w1th electric motors that are not explo- <br /> r soon-proof may Ignite flammable vapors. i <br /> If a portable air comprss50r Is used, It f <br /> should be located at least 30 feet May � <br /> from the venturlmad r•ctor or outside any <br /> Class 1, Division S area_ <br /> +l <br /> 5i <br /> 4ac4uni <br /> �au,c4 CnnlrorValue <br /> mrr <br /> -* { vacuum{itw!;0 <br /> v <br /> M1f.r - ;i�,�,ur�?}±•��M1 ,i }q ,l, _ tiuyul7Fuf <br /> FIGURE The vacttt+M test Method Sri detect a s�il1 <br /> bucket feak by nhaasurfng the change in Vacuum level <br /> during the test. <br /> 6.3.6 Pass/fall Criteria, If the ending vacuum <br /> lcvi:l is 26 iFtt l es water W11111nil(rr'greater•, the slwill <br /> huckat passes the test, <br /> u the ending wicuum level is luss Chan 26 maces <br /> water column, the apiII bracket fails the test, <br /> 6.4 Double-Walled Split Bucket Integrity Testing— FIGURE 6.4. Check lines and connections to ensure <br /> Vacuum Test Method. that they are leak-tight before starting the test. <br /> 6.4.1 Purpose. This method is used to test the I <br /> integrity of the primaty and secondary cnritainmont GAA Preparation. <br /> ofthe doable-walled spIII bucket. <br /> i Rorttovi� and propct°Iy dispose of any liquid wtid <br /> 6.4.2 Descrlptlan of Test. A partial vacuum is debris (L-nvet�, xdirrrt�it hnd trash) kri the spill <br /> applied to the interstitial space.Nawc*n Lhc priinwy Esck�• <br /> pei.org <br />