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Recommended Practicesfor Netevdng andVenOotbn of Spi, Orcrfie, leak Detenion and SeroNsry CoaWn+erst EgtiprwtN UST ixWdn � PEVRP1200-12
<br /> miry containment of secondarily ehmaincd spill pipe, it B not considered to be liquid-light This and Secondary conminmFutil The vacuum keel it
<br /> bucket. WARNING: Use only an ablSq ended vaeo- visually indicates a rest failure. nonirred toot a I-minute rwricd.
<br /> um source or a vacuum pump powered by
<br /> v..+ 6.3.2 Description of Test. Using a specially an exploslon-proof motor. Vacuum pumps 6.15 Test Procedure, 6.4.3 Test Equipment. Test equipment shall
<br /> equipped Int coven, u partial vacuum Is applied to with electric motors that are not eapio- include.
<br /> the spill bucket. The vacuum kvel is monitored fa slonproof may Ignite flammable various. L Slmvly apply a vacuum of 30 incites salter
<br /> a I -minute Ivrinl. If a portable all compressor Is used, It If a 30 m rise spill bucket and close the vette. vxuunt Intnimhe apparatus (The cue apparatus may
<br /> should be located at least 20 feet away 1( a 30-inch racer column rile the
<br /> caval See
<br /> be available fmm the spill-Becket manufacturer.
<br /> 8.3.3 Test Equipment. Test equipment shall from the venturreduetor or outside any summed. I11 spill bucket (ails tuu [Set See 11 urcl,Jti ci air gauge with
<br /> a min a vacuum
<br /> include: Class 1, Division 1 steal Sim.Appeix Il for pressure and vacuum umvcr inched a vacuum gauge with a minimum and
<br /> a
<br /> stens. inch water column range, a tut tilting and a
<br /> • Vacuum test Apparatus (The test apparatus may uncal valve. The control valve is used to adjust
<br /> be available from the spill bucket manufacturer. 2. Stan the time-meuumment device and record the vacuum Icvel.l:
<br /> 8.3.4 Preparation. the initial %wuum level dawn on the gauge.It includes an air pressure regulattr, a vacuum g
<br /> source, a vacuum gauge with n minimum 0-50 L Remove and property dispsw of any liquid cart 3. After 1 minute, record the ending vacuum level. stopwatch or other tinie-tncasurement device
<br /> inch ivatercolumn range and a conal valve. The debris Ucava• Sediment and trash) in the spill capable of measuring a I -seeord increment.
<br /> control valve is used To adjust the vacuum level.); bucket. Clean the spill bucket and examine it for Upon i mpletias of the test, reieme Use vacuum.
<br /> • Test cover (Ile cover is equipped with a test danhagc, defects or improperly hs IleJ compo- remove the teat apparatus and the gasketing mute. WARNING: Use only an alraperated vaeo-
<br /> fitting.): stents. If there are loose components (e.)s" louse rialGmm the spill bucket and mplace the original um source or a vacuum pump powered by
<br /> band clamps or bolts), tighten ibex items beforeruler, an explosiomproof motor. Vacuum pumps
<br /> • Plumber's plug (appropriate size, if used); petitioning the imcgdty lest If Nene are ilcm% with electric motors that are not explo-
<br /> • Stopwatch or other tine-measurement device that must be repaired or replaced (c.g., deeerin- slim Proof may ignite flammable vapors.
<br /> capable of roeawring a I -second intercom rated gaskets/seals or drain valves), notify the 1 r - - If a portable air compressor is used, It
<br /> mamerhipsenlor To obtain approval before pro- should be located at least 20 feet away
<br /> • Gasill material (rise purpose of the gas. Seeding with the needed repairs, from the ventur"duetor or outside any
<br /> keting material is to provide an air-tight seal - Class I, Division 1 area.
<br /> between the lest rover and the spill bucket). 2. Examine die fill cap and adapter fitting for J
<br /> loose, -
<br /> missing For damaged pans and nuke rete- \
<br /> _ es ary mpain. Make sure that the seal on the fill 1
<br /> a - sot wear C*k n cap I% present and in goad condition. The cap y w "' �ya.,m.•,
<br /> V.es.m V__„cm Cs,;= must fit securely and be leak-tiglu on the riser. i
<br /> osrWLb-c..s,.n
<br /> 5aa.os _ al leaking cap will recall in a fired Tel As, an
<br /> alternative to a tight flip cap, use a plumber's t
<br /> plug in the fill riser. - -
<br /> C"JOm 3. The spill bucket drain valve, if sent must be
<br /> yKe W Pre FIGURE 63. The vacuum test method can de/ect a spill
<br /> leak-tight to pass the test. If the drain valve is bucket leak by measuring the change in vacuum level
<br /> rat leak-light it may be removed and pence. during the test
<br /> nendy plugged-
<br /> NOTE:
<br /> luggedNOTE: Mom permanently plugging, ensure 6.3.6 Pau/Fall Crlleda, if Oa: coding vacuum
<br /> that local regulations allow the drain valve In level is 26 inches water column or greater, Use spill
<br /> h: permanently plugged. bucket passes the lay.
<br /> rrzc FLter P.pe
<br /> 4. Clean any contamination fmm the lop surface If the ending vacuum level is less than 26 inches
<br /> of The Spill turtles where the enter makes a seat water column. The spill bucket fails the test.
<br /> and fine it with gasketing material. 6.4 DoubtalWailed Spill Bucket Integrity Testing - FIGURE 6-e. Check lines and connections to ensure
<br /> 5. Place the lest cover on [be spill bucket, con- Vacuum Test Method. that they are leak-tight before starting the test.
<br /> riming that it makes a tight soap with the Bas-
<br /> keting material. 6.4.1 Purpose. This method is used to test die
<br /> integrity oftiio primary and secondary containment 6.4.4 Preparation.
<br /> FIGURE 6,2. The cover must make a tight seal with the 8, Connect The line from the vacuum source to the of the domhie-waited spill bucket,
<br /> Spill bucket to present leakage when the vacuum k adapter on The rover. L Remove and property disease of any liquid and
<br /> pulled during the test. 6.4.2 Description of Test. A partial vacuum is debris Ueaces set imenl and trash) in the spill ../
<br /> 7. If the spill bucket is found to have ceeks, loose applied to the imernitial space between tis primary bmkel
<br /> pans or separation of die bucket from tic rill
<br /> pelarg ® peLorg
<br /> Rem merded Racdas kr ftTestirgandVe6ka6cnd Sp=4. O:eiAL teak Detectips ad Saturday Contaisrxwt Equpirrnt at USI facilities PEURP1200 -12
<br /> 2. Clean the spill bucket and examine it for dant. 6.5.1 General. Containment sumps am liquid- there am items that must be repaired tor replaced 6,5.6 Test Procedure.
<br /> age, Make sure that it is free or cracks. ease tight structures designed to temporarily contain (e.g, deteriorated penetmcion fitting boocsl.
<br /> pun or Separation of Ilse bucket from the rill peaks or spills. in addition, containment %units notify the ownedopeamr and obtain approval L Begin the les[ by adding rater to the sump to u
<br /> �.s pipe. If the spill bucket is damaged notify the often serve as the leak detection monitoring Ixa- prior to proceeding with repairs. minimum of 4 inches above IM sewn. when amp
<br /> owner/operator. [ion for double-walled piping systems. Isakage p¢nnraTo comp or n site for sred deflection,
<br /> the -�
<br /> front the primary containment typically flows by 4. Tut toots or secondary romaimnenl lertnina- higher. To ernptwe for sump tkOMidm, the
<br /> 3. Attach the ill apparatus to time teal pun. tido fittings most be present on Use piping pen- water must be allowed to settle a minimum of
<br /> Bump, tmbe No Saomlary• lnervinnont re she
<br /> 4. Connect the line from the vacuum source to the sump. wMne it curt h auiiy nbseneJ or detmcd creating the area. Wring testing, tbese finings 15 minuses hefnrc taking The initial int measure-
<br /> Test apparatus, by a senior. prey cot water fmm entering the interstitial space cent If the highest sump penetration Or sump
<br /> of double-walled piping. \Yduat Nese fittings, sidewall seam is less Than 4 inches from the lop
<br /> S. If the .spill bucket is found to have cracks, Ionic This section desenbts a hydrostatic tat method. the Integrity of the sump cannot be tested using of the sump, add water in within I inch of die
<br /> pans or separation of de bucket from The fill Thom am vacuum lest methods available for con. Uds rxlhad. lop of the sump.
<br /> pipe, it is nut considered to be liquid-fighl. 7his urriment sumps. Comull the manufacturer before
<br /> visually indicates a test failure. on •n Aum Test. 6. w interstitial n containment
<br /> Sumps, Are prevent 2. Place the a sump
<br /> u p anvice vertically m fish toren
<br /> Performing genas within the. romainmem sumps, temporarily point in the wimp and extending afore the waren
<br /> 6.4.5 Test Procedure. remove deem before conducting the lest If the level in die sump to allow fin an accurate mca-
<br /> NOTE: follow The nanufacturcr% instructions senior is removed, reposition after testing to suremenl to be taken. The location of the ral
<br /> L Slowly apply a vacuum of I5 inches water when Testing dic interstitial spaces of double- Appropriate position according to Ge mamdwa Suring stick must remain die scone for each water
<br /> coluinn to the spill-bucket interstitial space and wailed containment sumps. curer's inv us tionv. Joel recasuremSot Document The initial seater
<br /> close the control valve. if a Minch water cop- kvsel measurement in measured front the bottom
<br /> unin vacuum snot be altaiied, the spill bucket 6.6.2 Purpose. This section describes UiePref- 6. If the containment sump is found to base wracks,
<br /> of the amp. Alternative measurement rnethcxls
<br /> fails the tut. See Appendix R for pressure and unction and Junes to est de integrity of con- hose pansy separation isnotca eidere Toor Venetia-
<br /> vacuum
<br /> g ) nhry be used provided That the measurement ni
<br /> roncasisxvo- sidioneN camps to ensure Nal they do not leak. tion finings, it is not comsidend ui h IiyuiJ 1/I6 (0.063) inch can he mAdc•.
<br /> 2. Stan the tine-measurement device and mmol light. This visually indicates a tut failure.
<br /> the initial vacuum level shown on the gauge sump Description to he of Test. l w containment hcpt 3. Take All g disturbed
<br /> to prevent da: avmnr Iced
<br /> sump is fiild to the proper level with water. The toms ping JistutbN Jming Ge duration of IM
<br /> CAUTION: Water can damage electrical no
<br /> 3. AReri minute, record the aiding vacuum level. ane laud is measured at the beginning and end of connections. Ensure that there aro no lest
<br /> Up ore Ilse test. components that can be damaged by the 4. After 1 hoar, document she ending water level
<br /> remove
<br /> completion letion of the lest, release the vacuum,
<br /> �•% the test apparatus and Naddition of water to the sump' If such meamretncnt.d restore
<br /> e spill 6.5.4 Test Equipment. Test equipment shall �
<br /> bucket to in no al operating condition. include: components ate present, take appropriate S. Upon completion of the Tess:
<br /> precautions when performing the test or
<br /> 6.4.6 Pass/Fall Criteria. If the ending vacuum • wafer, use an alternative test method. • remove all water and properly dispose of it
<br /> level is 12 isil watermiumn or greater, the spill a meaturing stick that is acmmm to within 1/I6 according to Section 6.7;
<br /> bucket passes the test. (0.063) inch and of sufficient length; • reinstall any interstitial m ordl ring unvnn in
<br /> If the ending vacuum level is kms than 12 inches • stopwatch or other time-measurement device their proper positions-•
<br /> water column, the spill bucket hits the test. capable of measuring a 1-seecind increment. return the test btaon cr secondary contain-
<br /> 6.6 Containment Sump Integrity Testing, 6.6.5 Preparation. mem finings To Heir pre-tela operating cum
<br /> tea• figum[ionc,
<br /> 1. Care should be mean when conducting the testLl
<br /> CAUTION: Gaining access to the conlalo- in the min or during furring weather corgi. _ _ o I &'
<br /> ment sump requires removing the lid, tions.
<br /> cover or dispenser panel that la in place to 2, Remove and properly dispose of any liquid and
<br /> protect the equipment in the sump. These debri% (leaves, sediment and uuh) in the ren.
<br /> components can be heavy. They may 01*11•atainment sump. P='c =
<br /> require special handling and more then
<br /> one person to remove them. Use caution 3. Inspect the containment sump for damage. eyed
<br /> when moving and replacing them when Examine all penetration fittings, conduits, jux-
<br /> testing is complete. During the lost, put don bnxa, cops and risers (if pesent), and .side- _
<br /> the covers and panels In a safe location wall seams for defects, damage or inhptury rly FIGURE 66. The test 6uks level M the UDC mint be at 'v
<br /> wham they are secure and Isolated from installed components. If dere are lase core- least 4 Inches abgve the h+ghest sump penetration Or
<br /> vehicle and customer traffic, portents (e.g., pose pestetmtion titling clamps sideviall seam,
<br /> or missing interstitial space caps), curet Riese FIGURE 68. To present leakage, check all penetration ✓
<br /> lents before perfuming Ne integrity test. If fittings before adding water to ensure They make a right
<br /> seal.
<br /> peiorg. ® pei.mg
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