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rt<cY PEI/RP1200.12
<br />nmmds or the ATG readout. Pmpem a monitoring
<br />fluid solution to add to the interstitial space.
<br />4.3.6 Steel Tanks. Liquid -Filled (hydrostatic)
<br />testi on -I ranks Acquire the sem. nuid As the
<br />monitodng Ruid. Contact the mmuf.cumr far
<br />instruction,.
<br />4.3.7 Fiberglass Tanks. Determine tank sin
<br />and diameter and apply the appropriate method.
<br />4.9.B Test Equipment. Teat equipment shall
<br />'P#P��1yy1s4#,i�O1gNAX
<br />63 General. Und.gamnd product piping is available
<br />with single and doubla walls. Double -walled piping pro-
<br />vides contaimnem for leaks form primary containment
<br />and must be leak -free Io prevent release of product Into
<br />the mvimnment.
<br />ude.
<br />8.2 Purpose. This method is toed to tut the integrity
<br />monitoring fluid; of piping interstitial apace(.).
<br />stopwatch or other time,meatammtnt device 8.3 D.acdptlan of Teat. The Intmtitiel space Is
<br />capable of measuring. i -second inumen rd; sled at the ends and is prewrlud with on Inert gas.
<br />tape mature. The pm3au. is monitored for I hour. Many pressure drop
<br />occurs. the secondary containment foils the test.
<br />4.3.9 Teat Ismeac are.
<br />1. Remove Any sensor that may he installed In the
<br />unk interstitial space.
<br />2. Determine and ra<ord the groundwater level.
<br />3. Add tut liquid to the took Interstitial spa.
<br />bringing the fluid level into the riser (.tend -
<br />pipe) to the appropriate level based on the
<br />-discovers written proccdum.
<br />4. Document the starting level and start time of
<br />the tut.
<br />6. Start the time-mcasurcmcnt device.
<br />8. Wait the appropriate dme according to the
<br />ma braaturer. tett procedure.
<br />7. Document the coding level And ending time of
<br />the test.
<br />8. Determine and retard the groundwater level.
<br />9, Remove liquid added to the tank (ntanditial
<br />space, and restore the liquid level in the unk
<br />inuntit[al to normo[ operating condition.
<br />So. Reinstall the sensor so that it is installed within
<br />.-fact..". aptdficati.-
<br />4.3.10 Pea/Fall Criteria. Compute the data to
<br />the manuroeurar, pus/rAl criteria in Appendix A
<br />I, determine if the tank has passed the teal.
<br />5.4 Teat Condition., The primary pipe may cunoin
<br />fuel, and dispensing activities may cenMuc during the
<br />real without affecting teat results.
<br />.6 Prepara
<br />tion. if the Inteutltial lspace contains prod-
<br />It6ct, ensure that Jha interslice h open to the .-ph-
<br />and perform a precision wt on the primary piping before
<br />mmh=IiAg . tut on the secondary eentainmenl piping.
<br />Termination fitting. moat be sealed at all piping t.min.-
<br />6.., and test finings must be accessible to perform the
<br />tut.
<br />Chack with the piping mmufaeurer ragsrdlne testing
<br />FIGURE 5t. goods on piping transitions end through
<br />Sump walls most be leak light when piping.eaandery
<br />containment Integrity testing N pm/ormed.
<br />�.Ita.6rg; •'i,:f•.Lr �t:r..'�t}1:+.:\��:1.w�t:., ''a'\ -aa� `:�s.
<br />M)
<br />6.2.1 Purpose. This method la used in tea the 8. If de split buoket Is found In havetract., Iota¢
<br />Integrity of single -welled spill buck- of the pd- pars or Separation of the bucket from IT. 911
<br />merry, containment of secondedly contained spill pipe, it k not considered to be liquid-tight.Thi.
<br />bucker, visually indicates • cal failure.
<br />8.2.2 Description of Test. The Spill bucker is
<br />filled with w a.%The water level (.s me -red n Me
<br />beginning and end At the wt.
<br />6.2.3 Teat Equipment. 'fest equipment shall
<br />include:
<br />wmcq
<br />• motudng Stick that la accurate to within I/16
<br />(0.063) Inch and of.uf r.isAI length;
<br />• plumber's plug (appropriate elm, if umd);
<br />stapsvul<h or other dme-massusemen, device
<br />capable of.-Am,ing a 1 -second Incruntot.
<br />0.2.4 Preparation.
<br />L Cart should be taken when conducting the net
<br />To
<br />Ile I. or doting frc.ing weather condl-
<br />Joe'.
<br />2. Remove and property di.p.e of any liquid and
<br />Jebru (loaves, SeOnsem end vuh) In Lhe spill
<br />bucket. Cion the,pill bucket end examine it for
<br />",Age, dttaU or hopmperly installed cumpo-
<br />.cor,. Tf them Am loom components (e.g., (-
<br />hand damps Arbutus), Ugh[. These item. before
<br />mnducdng the integrity last. If them am Item.
<br />that must be mpalmd or replaced (e.g., d.erio-
<br />rated gtkeulsetis or dodo valves), notify the
<br />npner/opcRNf.
<br />3. Us.mino Ibe nil .p and sd.ptc, Turing for
<br />Item, missing or damaged porta, And make
<br />necessary opals. Compl.e any pairs beforehet.
<br />putting wet. in the ,pill bucket Make soreLhet
<br />the seal on des fill .p h P -.'
<br />end in good
<br />u
<br />condition. no p mut fit Searcy and he leak -
<br />tight on the dor. The watertevel during the cal
<br />typically will be above fl- cap, So , Iekd
<br />eng cap
<br />will result in a failed wt. AS m altemmive eas
<br />tight fill cap, ate n III. 1 plug In the fill riser
<br />If approved by the authority having juri,dlmion
<br />(AHI) And tank uwmer.
<br />4. Tho spill -buck. drain valve, if prey ms, moat
<br />be leak -tight m peAs the last. If it is nut look -
<br />tight. it may be poasibio to Simply .move And
<br />Permanently plug be drain valve. He..,.If
<br />you choose to permanendy plug, ante. that Jo
<br />local regulation. allow this madificodon.
<br />NOTE: If the 011 cop le ml Included In the
<br />spill bucket test andlor the cap is not light, It
<br />could be the source of potential fuel -A--[-
<br />malan from water inlmalon.
<br />NOTE: Boom permament(y plugging. came
<br />that local regulations .I low the drain valve to
<br />be parm urouly plugged.
<br />6,2.6 Test Procedure.
<br />i, Ad
<br />d water o the spill bucker to a level within
<br />1.5 inch. of Ilse cop of the split back.. Allow
<br />the water I-cule for 5 .1ma. before is initial
<br />water level measure osm Is taken.
<br />2. Place the maturing stick venally el the I. -
<br />point in the spill bucket and extending Above the
<br />wooer level to allow for An securnte msum-
<br />m ra m be m ken. The location of the me.udng
<br />nick must remain the sone for each water level
<br />mcasurcmcnt. Do..... Jur initial water level
<br />_e _nam es measured fmm the bottom of
<br />the split bucket Alternative mctummem ..h-
<br />ods may be .ed provided that m.wrement to
<br />1/16 (0.063) inch con be male.
<br />3. Take all precautions m prevent the water level
<br />fiom being disturbed during me duration of the
<br />test.
<br />4. After I hour, document the coding we. T-1
<br />metummmL
<br />6. Upon completion of the tut, remove and III,
<br />pose or Ole water necmding to Section 6.7, and
<br />dry the inside of the spill bucket befom returning
<br />II to
<br />service.
<br />6.2.6 Pee./Fall Crlterle. If Ilse wale level has
<br />dropped lest than Jig (0.175) Inch, the spill bucket
<br />porus the Integrity M.
<br />If the water level has dropped Ug (0.125) inch or
<br />gmoor, tie spill bucket fails the integrity wt.
<br />6.3 Spill Bucket Woolly Testing - Vacuum Test
<br />Method.
<br />6.31 Purpues. This method I. marl m test tire
<br />integrity of single -wailed spill buckets or the p i-
<br />®` ei� �l`'..,-�,.'��y`�vv. ?''`:�l[�:�c•A�.�.>'Y-.`�,i".h4=.�yhi�`h�.ti?Ntl;It�b���,'.1�;�12`�ait�zai2!i'
<br />lemons Ud Pradkafar daTedng and VadRwllon of Spill, Overnll, Leak Deretlon and Secondary Ctrdnmenr Equipment at UST Fnlntas
<br />ing requ[mnant. saved in this recommended practice em
<br />• -yi r a �v,:�•." i
<br />8'''
<br />general statements and me very. Recommended pros-
<br />mm levels and Last duratuna Are Addressed in Sed don 5.7.Fr':.
<br />iti+ „Ty[. �sl'
<br />Piping tut may diffac
<br />ET!�:•,•ass;_
<br />:k I • Y ; t{:7jti
<br />An-facmmrK psocedurea
<br />' lTpp TINTr 's`
<br />This test can be conducted in sections or as one con-
<br />tinuous pipe depending on the imulladm. CAm should be
<br />GA General. Spill backers and containment sumps for
<br />taken to ensure the the entire secondary containment or
<br />Lank systems em neither Intended nor dcs(ghed for the
<br />,he piping system Is tested.
<br />smmgc of peunleum products, but rather m contain small
<br />6.8 Teat Equipment. Tut equipment shall include:
<br />looks and spills fur short periods of time. This section
<br />describes the pmcedums used to lest the integrity of aptll
<br />• Inst gas am=(nitrogen, helium, etc.);
<br />buckets And comAinmentsumps to cmmoc that lheydonot
<br />• smoveath or other dme-mexsumm.t device capable
<br />lank,
<br />ofineasuringa I -second lnesamont;
<br />6,2 Spilt Bucket Integrity Testing - Hydrostatic
<br />• test tubing tacmbliu (Ibbing-conbiies provide
<br />Test Method.
<br />Lass m the beginning and end of the intersddal
<br />-
<br />spoce.);
<br />WARNING: Do not use fuels such u gesso-
<br />- preaa.gangewithal5ylgmnximamprraauremad-
<br />ing with OS Increments.
<br />6.7 Teat Praeedure.
<br />L if necessary, Ininsull temuirolino (lest) hoofs at pip-
<br />ing Terminations.
<br />2, if necessary, connect The tubing Assemblies To the aec-
<br />undoy containment unninetion fitting an each And of
<br />it. section of piping m be tested.
<br />3. Connect the inert gas sour. And pressure gauge.
<br />4. Gradually pressurize the Interstitial space to 5 prig.
<br />Close the valve And .lbw the pressure les subiliac.
<br />Rcprtssurizc to the specified test prcasum if necessary.
<br />6.Observe The pmssute for a period of 1 hour.
<br />6. if the piping pressure site, I hour is lata than the last
<br />p -sure, he& urtninslion ftllinge And lest assemblies
<br />fns lacks.
<br />7. Release the pressure on the system slowly.
<br />a. Removes the lel equip. -I.
<br />9. Restore The piping to its nmol operating condition.
<br />6.6 P.ea/F.II Crlteti.. If no p-,.. change occurs
<br />during the test period, the piping system passes The aec-
<br />ondary containment integrity test.
<br />If them Is any dfup In pr.eufa over the lest Proud, the
<br />piping fails the secondary containment Integrity lea.
<br />If chem is any increase in Prasmne ever the tut ped.d,
<br />repast the test.
<br />line, E66 or diesel As a test fluid because
<br />they present a serious 11. and safety
<br />hazard. Gu 111, vapor. ... flammable
<br />and can explode If exposed to an Ignition
<br />such es a spark or open flame. If
<br />eotanN or opnteinmant arae 1s
<br />net tight,
<br />using fuel as the teat fluid will -us. Is
<br />release Into the Boll of groundwater.
<br />FIGURE a3. The hydrostatic method of determining
<br />spill bucket Integri0' uses water to dot"[ leaks. The
<br />measuring stick must be placed In the same location
<br />at the beginning and end of the test period to Ancona
<br />amumte watA,1..l readings.
<br />pel.org
<br />pakomnasded
<br />1,— 1. the Tndig and Vellk•d.A of SpM, overfill UA Deaden and Secondary Conja oast Equipment al UST Wall.
<br />mmy Imtainmea, of wcmrd.dly con .load split WARNING: Us. only a. •Ir -operated new
<br />bucket,. um vaunts o........ pump powered by
<br />8,3.2 Descriptloo of Test. Using a specially
<br />equipped Irl cover, a partial v-.. is applied to
<br />thespill breket.Thovs.um level Is irmoad for
<br />. 1 -robed. period.
<br />6.3.3 Teat Equipment. Tasr equipment Asti
<br />Include:
<br />• Vacuum tut apparatus (Th. len upper . may
<br />be n -][able from the spill bucket mmndoc/urer.
<br />les incudes nn air p -.,.m mgtdnrr, a -Aum
<br />source, A vacuum gang. will, A minimum 0-50
<br />inch waecolumn range td -ural vnlve.The
<br />comml valve Isused to adjust the ve-on level.);
<br />• Test cover (The cover is equipped with A len
<br />fltdng.);
<br />Plumber's plus (Appropriate dm, if .,d);
<br />• Sopwelch or usher timo-meamrameu device
<br />capable of meuoring a 1 -second immmmr,
<br />• G.keting material (rhe purpose of Lae g.-
<br />keting material is to provide an afndght seal
<br />between the l.t cover and the spill bucket.).
<br />FIGURE 6.2. The cover must males a light •sal wlm the
<br />split bucket to Prevent leakage when me vaouum A
<br />puled during Ins teal
<br />axploalorvproof motor. Vacuum pumps
<br />with slechlo Motors that ere not sspl0-
<br />.1o,pnmf may Ignite Il....1do vepo..
<br />If • portable .1, oomp.... A, 1• used, It
<br />should be located at I ... t 20 feet away
<br />from the ventud eduotor As outside any
<br />Class I, Division 1 area.
<br />6,3.4 Preparation.
<br />L Remove and properly dlap.e of any liquid end
<br />debris (leaven, Sediment and muJh) In the split
<br />bucket. Cleat the spill bucket And Aria. It for
<br />damage, defects or Imp.NHY lastnlled compo -
<br />rants. if them ora I.- --p-m- (.a., loose
<br />bund thumps or bell.). lighten true Items before
<br />perfmnhng the integrity test. If them are itomt
<br />the( rust be repaired or replaced (e.g.. dstado-
<br />rated gaskets/awls or drain valve..), notify the
<br />wnerfupemtur to obtain epp.v.1 beton, pm-
<br />-ding with the ceded mpsin.
<br />2. Estrada. the fin cap and .Jap- no[ng fur
<br />]-A, mini ng or damaged Pena and make neo
<br />awry repairs. Make sure that the seal .n the fill
<br />cap Is present and in good condition. The cap
<br />mut f,, u-naly and be kwk-tight on the dao.
<br />A leaking up will -11 In . failed test. As an
<br />alternative to • light nil cep, use a plumber'.
<br />plug in the fill d-
<br />1. The spill huaku drain valva, H present, must be
<br />leak -tight m p.a rhe tut. If de drain valve la
<br />as le.k-Light. 1, may be ...,ad und penm-
<br />nenLy plugged.
<br />NOTE: Before permanently plugging, anmrc
<br />that local mguladom allow the draln valve to
<br />be pcoomma Wy plugged.
<br />4.0em any eontamlne6- fium the top surface
<br />of the spill bucket wh<ra the cave' make a serol
<br />old line it with gaskding maudel.
<br />s. place the wt cover on the spill bucket, con -
<br />finning the, it makes . tight seal with the ges-
<br />ketimg material.
<br />8, Connect he it.. fmm the vacuum acome to the
<br />adopter on the cove.
<br />7. tithe *11 bucket Is rand to have cracks, loose
<br />pm or separuiun of the bucket fmm the fill
<br />
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