|
pipe, it Is nm ...side=d to be Ilquld-light. TLs
<br />visually Indicates s col failure.
<br />6.S.6 Test Proeedure.
<br />1. Slowly apply • v %um at 30 Inches wmor
<br />column to flu spill tback,, and sloe the vnlvs
<br />IP a 30 -Inch water column vacuum canna be
<br />,Wood, me spill bucket fulls the wt. Sea
<br />Appendix 8 for pmmu. and v-.nl cel
<br />2. Start the tirr-malmum device .,it record
<br />the initial va.un, level shown on the gauge,
<br />S. After I Oduce, meeud die ending vacuum levet
<br />Upas, complotiw of the drat, reto- me vacuum,
<br />rent"n tike test apparatus and file gakadng muco -
<br />flat train the spill bucket and replace the six Clint
<br />cover.
<br />FIGURE ". The veauum test method can defeat. aplll
<br />bucket leen by fneeaedng the'hinge In vacuum I-'
<br />dudng Ne teat
<br />6.3.6 Paas/Ful Criteria. tfd,e ending vacuum
<br />level is 26 inches water column or greater, the ryill
<br />bucket pm- it,- Cast.
<br />If the ending v ---m I'veIs late Ch. 26 inches
<br />water column, the split bucket fail. th- teat.
<br />e.4 DoublaWalfed 3p111 Buok•t Integrity Testing-
<br />veouum Test Method.
<br />6.4.1 purpose. Tills method la used m tom the
<br />integrity of the print" and ace -dart' cute resent
<br />of the dnuhle.welled spill bucket.
<br />6.9.2 EG is of Test. A partial v.cuum s
<br />applied to the imarathlal spw. between the primary
<br />and -Mary containment. The -nor- ]--I Is
<br />.O_1,.ted for a I -minute period.
<br />6.4.3 Teat Equipment. Test equipment shall
<br />include:
<br />• 'Han um test eppnmtns [the tut app-,-- may
<br />be available fmm if,. apil"Cickal manufacturer.
<br />It include. an air prousure regulator, CE vaautn
<br />mumm,. 'hems. ganga with . minimum 0-30
<br />,nob
<br />water cn'umn range, a lest ndng and a
<br />can rel valve. The control valve Is I'M I. adjust
<br />the vm:uum level J;
<br />• ..pw..h a aha Cine-memurcmwt device
<br />capable of mcnsudng a I-rccond Increment.
<br />WARNING: Use only an mrroperated vis-
<br />or is
<br />vacuum pump powered by
<br />m explosion -pmol .afar. Vacuum pompe
<br />with.1-tri. mot.n that a not axpio-
<br />.IomProot may Ignite flammable impose.
<br />II is
<br />portable els mmp.... 1, n used, It
<br />should be ':noted at least 20 feet .wry
<br />Isom the vantinkiluctor or outside any
<br />Csu I, Division 1 area.
<br />FIGURE BA. Check Gnu and connections to ensure
<br />that "ey are tuts -light before sterling the teat
<br />6.4.4 Prepentlon.
<br />1. Remove and p.p.ly dl.puc or any liquid and
<br />debria (laevaa, sediment and trash) In the spill
<br />buck..
<br />®.bahorg �'ti:�'.`��^�.�kr�vs�`tick=,i'u;r.�?;�`'L�``r°;s�'h;;•,�`.t��:�r�i�:�';'•�7�l�;pei�i_. -.
<br />dam ,so items film mad he repaired car replaced
<br />(e,g., dcmrmna-d pearemad n fining bums),
<br />,.,try the owner/Opemur and ab- appnrval
<br />prior T: p -ding with repnim.
<br />4. Test bout Or acundury anninmenl tamina-
<br />tion fitting' must be'reaert nn the piping Pen-
<br />emCing the romp. During Testing. mcrc finings
<br />prevail wales fmm alering the In""tidel -pact
<br />of double-wmlad piping. Wlmua Ihue fiuingg,
<br />Th.
<br />inugrity of the sump sauna d luted wing
<br />this -Tied.
<br />S. If lumniddai mm,ilm-ing rcmnn am present
<br />within me comtim"" 'crops, te.p.radly
<br />vs them be(- anduaing die keel. If the
<br />moved, mpoaitem after waling to
<br />app.priou p..iuon sanding to the monafa-
<br />(umr'e instruction'.
<br />S. If du containment sump is found m hove traces,
<br />Iwo pars or apararl.n or any. ainn err petwre-
<br />don Nnings, II Is ..I analdered to be liquid-
<br />II&C.This visually indirta n lest Hilum.
<br />CAUTION: Water can damage electrleal
<br />conmotion. Ensure the t there ere no
<br />emrpammd: that sen be damaged by the
<br />addition of water to the sump, If auto
<br />ompancnts are present, take appropriate
<br />preosutlons When perfomdng the lest or
<br />... nn ettemstive test method.
<br />FIGURE B-6. The fast fluid lave" In the d"' must be at
<br />least 41naGex .bow the Mgham sump Pmetratlon or
<br />sidewellseem.
<br />Qpel.org
<br />e.5.6 Teat Procedure.
<br />1. Begin the tat by adding wa- to the wmP To 0
<br />minimum of 4 inches above Che highest sump
<br />pencre III or sump eldewall sem, whicluvcr s
<br />lghen To ampere for sump JeM<aiw, the
<br />wamr most be e'1nwM to settle is minimum of
<br />15 minus before inking UE. mid -1 um mes.ae-
<br />an- If the highest sump paneuadon or comp
<br />,idewall cam 1. leas than 4 Inch. (On"Lha cop
<br />or me sump, add water to within I Inch of the
<br />tp at til. sump.
<br />2. Piece the measuring stick vertically at the lowest
<br />point in me sump and extending above me water
<br />level In the sump 1. o)law rot as eccurammee-
<br />em to be token. The location of the mu-
<br />s m
<br />ringmiek .,.It remain sesame for each water'
<br />levelma-mrsiort. I) --t the initial wets
<br />''vel measum rcH, a, mc"umd from IM bottom
<br />of the romp. All -live meosu=ma' metlwdr
<br />may he used provided that the measurement to
<br />1116 (n.O(d) inch can be ream.
<br />3.'fuko ell P=camtans to prevent the "mor level
<br />fmm being disturbed during Tho dacha of the
<br />les,.
<br />4. After I hour, dowmal the ending wmor love'
<br />menmmmeni.
<br />6. Upon amp'm'on or the test:
<br />mrsow, .11 armor suit resiliently depose or h
<br />accudmg to Section 6.7;
<br />• reinstall any Immnt(del monitoring sem:ms in
<br />their proper' positions;
<br />• velum the last bunts ar, secondary comin-
<br />nuo filling'' m their pre-test .pereling an
<br />flgurntws;
<br />FIGURE r±-5. He prevent lenk.ge, check all genet -0-
<br />fltring. before adding wamr 1. enure thaymnka a tight
<br />ami.
<br />t.
<br />forammanded mcUea for at, 7"tkq andVMlk.dan 41501, OWM,tnt Cmectim and Srcendary Caadranent Equipment m UST Refill"
<br />2. Clem, the sign bucket and examb,e it for dmn-
<br />6.5.1 a .... at. Cnnu rimcot amp, oro liquid.
<br />age. Make cure That It la frea of cm.s, loom
<br />right anacams deigned m femporally -"-I-
<br />Paris at scpa.ion of the bucket from the fill
<br />look, or spills. b, addiliun, containment camps
<br />pipe. If the spill bucket Is damaged notify the
<br />arms I..-
<br />often saint na the Icnk detection ...,,arms
<br />nwicelopben.
<br />-walled piping systems. tk,p
<br />armIts,cimble .ea
<br />� C •
<br />from the primary tontines typically news by
<br />3. Attach thele" npp.nnn to the less port.
<br />grnvlry Inside the aecandasy, cowinmenl m the
<br />4. Connect The line hem the vacuum soamc m illsump,
<br />whoa It an be andly oh crud or domed
<br />test apparatus.
<br />by IT [oats.
<br />S. If the spill bucket la found to have aurin, Ino
<br />This action ducA[- it hydmarmic test mamod.
<br />parts or aepumial of the bucket from d,e fill
<br />Them are vacuum tat' mahods available for con -
<br />pipe, it isnot eonddemd u be liquid-tighl. This
<br />Taintnenr aumps. Consult it,. mamfanmr before
<br />visually Indlomu a cul failure.
<br />performing s veeuum tout.
<br />6.4.5 Teat Proeedure.
<br />NOTE: Fallow me mawfano-'s inat.'li:ns
<br />L Slowly apply n m or 15 limits, wamr
<br />who, Luling the inmretitild apnea of double -
<br />caiumn To he spill.b,.W imermitial sp.- and
<br />wailed containment sump&.
<br />The consul va. If a 15 -Inch water col-
<br />clam vd
<br />umn menam runs he att.l.d, the spill bucket
<br />e.5.2 Purpose. This seetla dearibes the pmp-
<br />fails be teat. Sea Appendix 8 for premum .it
<br />..if.., and pmcdures to test Na Integrity of em,•
<br />vauum cony mics.
<br />Lid=1 sumps to ensurs he, they do net Icnk.
<br />2. Stan the Iime-meaurement device and -.,d
<br />6.5.3 Description of Test. The conainmem
<br />the initial vacuum level shown m, the gwg,
<br />sump is filicd to the proper level with wider. The
<br />3. After I minute. record Tho ending vauum level.
<br />mls levelmeasured I the beginning and end of
<br />U. sou.
<br />Upon complcion of the tot, sekaae the vacuum,
<br />move Ch. drat app -t.. and swore the spill
<br />6.6.4 Test Equipment. Test rquipmenr shall
<br />bucket To lis nuns' Operating cundid.n.
<br />include:
<br />6A.6 Pass/Fail Cdterls. If the ceding vacuum
<br />level s 52 inches wamr caw.. or greater, the spill
<br />bucket paa. the last.
<br />Ir the coding vacuum )..11, Iran than 12 inches
<br />inner cu1Omn. ilia spill buekel full the IW.
<br />e.e containment Sump Integrity Testing.
<br />CAUTION: Gaining aocesa to the cont -11"
<br />mart sump require. .moving the Ild,
<br />err dip,eer Deml that s In piss• to
<br />prootect the equipment In the sump. These
<br />components can he heavy. They may
<br />require spealai handling and more than
<br />one person to remove them. Use caution
<br />when moving and replacing them when
<br />testing la ...plate. During the test, put
<br />the cave. and panel. In a sere I ... tlon
<br />whore they or. secure and Isolated ban,
<br />vehicle and oustomar traffic.
<br />. coal.:
<br />• measuring mirk mm s arunm m within I/16
<br />(U.U63) Inch and of w"hcienT Icngd,;
<br />• upwsreh o nuts time-meawmnent device
<br />capable of inemuring o I-secoml Increment.
<br />8.&6 Prep-d.n.
<br />i. Core shanld be "ken when conducing the tut
<br />In rine min a during rrwjng weather wndi-
<br />dom.
<br />2. Remuve and properly dlsticae:f any liquid gild
<br />dentis (leaves, sediment and mah) In the con-
<br />talnment sump.
<br />S. Inspect the comelmucnt sump far • damage.
<br />Examine all penetmdon fdlinga, c.,duits, jnne-
<br />tion boxes, caps and Eisen (If presen), and Ill
<br />wall scumm, for defucs, damage or improperly,
<br />(stalled components. If there am it- aam-
<br />pamea (erg., loose penetration fitting dmnp,
<br />or inlning Inteestidm [Pum cape), coned duos
<br />Item. barure perraming the integrity tut. If
<br />.•i w s ,.•... , fs ah, .h.:.t t,'' .. L`Pei.org.�
<br />it-anaded nacks, ret IheT"dnp ed VMa<etlan of Sptll Wn141, leek peterfon and armdary Comdanent Equlpmenr n Un Fedfdm
<br />• Inspect and minetell all comalnmmt sump
<br />If the wamr level changes IIe(0.125)inch orgreat-
<br />lids, 8. its ..it covers,
<br />err, Iha contairm cat sump falls The Isegri y tut.
<br />6.5.1 Pass/F.11 Criteria. If Ilse water level
<br />6.6 Accelerated Preelel:n Hydrostatic Teel for Split
<br />changes less titan 1/8(0.125) Inch, thoconmin.eni
<br />Bucket. and Containment Sump.. Blect.nle precl-
<br />sump passes the inugrity test.
<br />sloe lest equlpunt esn be utilised to um spin buck.,
<br />and a.mirenmcnt sumps. It Incorporates mom musidve
<br />� C •
<br />equipment mm pt, s wt to he w,dn.M In s ahnner
<br />-' _
<br />period of line The proceduma me du came= Meld and
<br />' 1 `
<br />tun the creme volume as other methods aci lnM In his
<br />v
<br />chepa. Thammifaehner of themaaummentequipment
<br />,.•
<br />should specify the precision end duration or the Carl ",d
<br />,•
<br />the pmarrall erTrade. Be -,at. p.0.11 erie ri. should
<br />nes be les stringent than these pmaeribed rat du I -bar
<br />FY: ......
<br />test In Section 6.5.7.
<br />FIGURE 6.7. The text nuld leval In In. tank sump must
<br />W at Invest 4 Inches above The highest sumpp millo
<br />Uon err sidewall ream.
<br />FIe{II HE 6.6, MeasuringaUelA Wed to....am Th.
<br />wamr level slwuld ba'ecumry mounted to ensure that
<br />they do Pat mous during the fest
<br />Thu data ,rl for Section 6.2 or U may be used for this
<br />Cast. Rarer to Appendix D.
<br />6.7 Proper Dl,po.el of Test Liquid.. Tut liquids
<br />num be disposed of property. Chcck whh The AHI
<br />.gnrdl.g rcquimm'nts fist proper diapoe.l.
<br />�'; ,UST,AYI5fE1R1E�;�R4lFME.NT:
<br />Although The WecWorre- of -1111 prevantlou devices
<br />an be trend by attempting to ovedili a UST with
<br />product and dom.d.1ng I- well the device funcdon,
<br />,his .ppmEmh I. at .commended. Any malfuaaion in
<br />the overfill p arcruon device could result In a product
<br />return gat amid result In a rarest to public health and
<br />safety and ervI..... x.I dealing..
<br />pedant UST lulu require Th.,. -sill prevauon cquiP-
<br />mat summmicmly routict flow err drat the Usnafa
<br />upammr when the lank Is no mom lbs 90 percent full
<br />or shut oft now into a rank when it Is no mom than 95
<br />percc,LL full. other aimmelives to prevent am ilia sat the
<br />rutrlaion, of flow during is delivery 30 minute. prior to
<br />ovefifling; alerting me operator I minute before overfill -
<br />Ing may -.1,, or sulmsildcally shorting u(f now into is
<br />Ionic m thus none of tie filling. located on cep of il. talk
<br />e= exposed m product dee m over In""
<br />The committee hes wrltia Iha ree mnwnded practices
<br />for automade shutoff devle= to reflect that the devices
<br />mast he to to shut off now when the tank 6 no mom
<br />data 95 paged, full, and new =,talon and erveifill
<br />PaLo(9,
<br />1
<br />
|