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<br /> PEURP1200-17 Paccirenait) Practices for sales" "Verificaskin olSA OWK tank Women and kagniaiy CmtaWnentEgsYpmem at OSTfadidi s
<br /> 7.15 Description of Inspection. After a pre- 7. Using the aaoasatic shutoff device numufHc- To operate properly, the ball floe valve must be
<br /> 7a UST OVERFILL Iiminary inspection of the automatic shmdfharai- (aRrs mggested procedurq examine the drop properly installed, positioned at the correct height
<br /> htim, the drop tube is removed from the taid- ne
<br /> EQUIPMENT tube and shutoff valve sh determine If product inside the tank and Compatible with USTconfigu-
<br /> VERIFICATION anloits placeic menaff is checked for proper operation, flow will becomakmshut offat 95ents percent of nation.
<br /> s and Ire placement is measured m verify that h at tank capacity. Make any adjustments oucssary
<br /> INSPECTION AND property located m r° Completely5pe sero of now wheat to ensure that flow will be completely shut of 7.2.2 Purport. Thepurpose of this inspuflon is
<br /> TESTING ante is no morc aim 95 percent toil. wises the lank is no mac than 95 percent NIL to verity that the ball float valve is installed prop-
<br /> erly, operates u designed, and is an in Rstrics flaw
<br /> 7.L4 Palmation. Refer to the tank manufac- 9, After inspection Critic automatic shutoff device, when the tank is no mom than 90 percent NIL
<br /> Although the efectiveoess of overfill prevention devices !area's calibration chart for the capacity in pal• Rhlstall the drop robe.
<br /> can be tested by attempting to overfill an underground low, the diameter and the volume of product with
<br /> storage iank(UST)withproducland detennininghowwell respect to product level. _
<br /> Use device functions, this approach is not meommm&d. if the automatic strung device has a float that
<br /> Any rnalfunWon in the overfill prevention device could extends nom the drop robe in the shutof (closed)result in a product than could result Ina threat to position, verify the proper orientation of the neat -1
<br /> JF puhiic k<hand safefety ty aand environmental damage, m harigm. The float mechanism should be orient-
<br /> Federal UST mica requite that overfill prevention ed away fromany obstructions (but float, suhmers-equipment automatically restrict flow or alert rhe transfer Rile turbine pump (STP)• tank wall, lank gauge
<br /> operator when the tank is no mare than 90 percent fug probe, etc.) If the rmvenscat of lbe float media-
<br /> or shut of flowinto a lank when it is m more than nism is restricted, h will not fomaton as designed.
<br /> 95 percent fug, Other alternatives to prevent overfills Use this procedure in conjunction with the menu.
<br /> are the restriction of flow during a delivery 30 minutes fatte er's installation and maintenance Nitric-prior to overfilling; alerting tic operator I minute before dors.overming may sen; a amomaticafly shutting of flow
<br /> into a tank oro that none of the fittings located on lop of 7.L5 Inspection Equipment. Test equipment
<br /> the tankareexposed to product due to overfilling. shag include:
<br /> The PEI Overfill, Release Detection and Release • tools fa removal of the drop tube; FIOURE 7.1. Check the drop tube and flapper fadarnPrevention Equipment Testing Commtim has written age. afakesure thatthe fkppurmves /reeyand sill - ,
<br /> the recommended practices for automatic shutoff devices • UPC momma; mute in to the product flow polls.
<br /> to Rha that the devices occur be set to shut of flow • taxis for inspection of the automatic shutof.
<br /> when the tank is aro more than 95 percent full, and flow 71.6 Inspection ProcetNre. 717 Pen/Fag Ctite de. If the automatic oatic short. FIGURE 74. Ball float assembly slowing the bail In die
<br /> restriction and overfill alarm devices most automatically off device functions as designed and Complete open position. The hail wire that and cover the vapor
<br /> restrict flow or &lest the transfer operator when the tank L Reprove We drop tube from the lank. shutoff of product flow Is able to occur when the path H the product dies above the leval of the cage,
<br /> is no more than 90 percent full. lbis approach reflects the y inspect tank is no mom than 95 percent full, the automatic
<br /> more conservative application of the roles. 2• Ymali the r my da ghat of veha and shutoff device pasty the inspection.
<br /> float mechanism for my damage a corrosion 7.2.3 Inspection Equipment. Tell equfpnornt
<br /> 71 Automatic Shstorl Devices. that inhibits the funatondity of the device, and U the automatic shutoff device does nor function shall include:
<br /> remove my debris and foreign objects, as designedor complete shutof Ct as flow
<br /> 711 General. Automatic shutoff rout«s, P ( • equipmentto Rmavethevmtmtdctimdevi«;
<br /> wmetimes caged Rappers or napper valves, are 3. Magically move the float mechanism to emum it is unable to occur until the lank Is mom than 95
<br /> naves freely. percent full, the automatic shutof device fans the • tape measure.
<br /> an integral part of the drop tube assembly Installed
<br /> inspection.within the tank fill rises. They are designed to 4. With the Ross mechanism in the shutoff(dosed) 7.2.4 Description of Inspection. The ball floe
<br /> initially restrict and subsequently Completely abut position, visually inspect the drop tube and 72 Bali Float Valves, The Conmmtee recommends valve assembly is removed from the tank• inspect-
<br /> off flow when product has reached predetermined verify that the shutoff valve is released and will [list hall floats be removed from USA u overfill proven- ed forproper operui°n and measured to ensie that
<br /> levels daring a delivery. Automatic shutoff valves move into the product flow path, lin° devices and another mc0ad of overfill prevention be the ball float assembly is the proper dissension to
<br /> need ro be properly positioned and operate fmcly to 6. U possible, verify that the bypass valve in the installed, restrict flow into the tank when it u m room than
<br /> control flow and prevent tank overfills. P
<br /> drop robe isopm and face of blockage- 7,2,3 General- t valves are dcaignsed
<br /> 7.L2 Purpose. 1be purpose of this inspection g, Ifpmblerns with the ehumf valve are found and (o restrict prmdurtiflow to
<br /> produce in We lank 7.L6 Preparation, Renu to We manufacmms'a
<br /> is w verify the automatic shutoff valve u installed defective compone is need repair or replace- reaches a Rrtain lteevel b rtstriniog vapor flow rank than fm the capacity in gallons, else diameter
<br /> pmpuly, operates as designed and is Rt to com- merit, notify Oe ammpdste peruser. froah the lank ugsgd vapor flow is restricted, and the vohnoe of product with Raped to product
<br /> pletely shut of Dow when the tank is no more than - presmre builds in tkelank ullage, slowing the flow level.
<br /> 95 percent full. of product into the anlr
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<br /> PEURPI200-17 --____—�--_ 11110 ' epdedprri orda Tessng miVinkraem of 5iA Mmik Leg OevdFm ad Secardml' Con7Wvwd EgiipmunatUST limiters
<br /> Use this rut procedure in conjunction with the as designed, flow restriction oco rs wherftmNal .
<br /> 7.3.3 Description of Test The Procedures in g. Reconnect the probe cable and tum on power
<br /> manufacturer's installation and maintenance is no mute than 90 percent full, and the tank•lop this tell for overfill almost Wort ere an integral to monitor.
<br /> instructions. fittings are vapor-tight
<br /> part of a typical ATG that Viet magnetosuiaivt
<br /> Yuvally verify that all tank-top fittings am leak- If my of the following Configurations exist, the probtstafucl krel measuremenR in the USl'. The 9. See Wef l t is showing o tic mthe C Dace prota std
<br /> free and vapor-tigh befcee starting We vet pram- overfill prevention system fags We inspuslom ATG probe is removed from the tank. Rhea We �fy Wort is is p We coarct Inch R:d-
<br /> fine. If my fittings are loosq the ball float valve product nt>u is moved W the position correspond- trail on Ore monitoring (noel.
<br /> • ball Rost equipvalveiped
<br /> are misted in pumpstorage systems t the 90 rant fill Intel, the alarm should 10. Slowly move the fuel floe a the robe until
<br /> will not restrict Row. toll a pe Y P P
<br /> that are equipped with suction pumps and air activate. the overfill alarm is triggered If the float
<br /> eliminators;Inspect the drop tukmenstuc that it does not have is oared coo quickly, is may not trigger the
<br /> • the bag is cracked a damaged; 7,SA Preparation. Use this Cost re in
<br /> m automatic shut of device. alarm
<br /> 72.6 inspection Procedure, to ball floss cannot be mmmed; Ca jusui too wtio an maintenance
<br /> ce nm rations..
<br /> Carry's installation and nraintmaoce instnxtions. 11. kiasuR the distance from the bottom of lite
<br /> L Remove the ball floe valve assembly from the the orifice is to at the top of the assembly, or isProbe, to the bottom of We fuel float (confirm
<br /> lank, clogged with dentis a corroded, which would Refer to We lack manufndurtr's lack chart for the different manufacht point of ineaummicr t
<br /> prevent Proper air flow are= activation; capacity in gallons, the diameter and We volume of on than
<br /> float) when We Roe[ f�st biggeR the
<br /> 2 YDually inspect the big noel and cage. Remor< product that Corresponds to the product level. alama
<br /> my debris or foreign objects, bag f wL valves are installed with coaxial Stage
<br /> 3. Check the ball for holes and cracks. U should I vapor recovery; When possible, print out the a ATG.ystem setup to verify 12. On the lack ds to theehm, Rod the hd t of Ore float and Wat cormI
<br /> determine
<br /> move fieely to the cage, Check for nrmaim ball float valves are used on ranks equipped with proper figumrion of We ATthe spopercent of Vick capacity.
<br /> that agent the operation of the ball fiat arnate-fill pipes and gauge openings without 75,6 Test Equipment Test equipment shall Use this fotonla to determine the percent of
<br /> 4. Check the vent orifice in the rem-restriction the use of"trip mot' devices; or include: tank capacity at which the alarm was triggered:
<br /> pipe. It most be open and located near (he top of ball float valves ere installed in storage synerm • tools fa the Rmuval of the ATO pork; percent Tank Capacity = (product volume
<br /> (be tank, that aim are equipped with automatic shutof • tape measure " gauge nick when 90
<br /> 6, Use the bill valve manufacturer's devices and the ball floe valve is set to restrict vow) x 1e00 rte alarm Wggermditoul urate
<br /> g P
<br /> installiflonprocedure W determine U vapor flow flow bet= the tank is 95 percent full. 7.3.9 Test Proeedsem
<br /> wig be restricted wdsro tic lank is no mac than L Mecum the level in We Vnk riser 13' Clnu We slam condition.
<br /> Unix bell Boal vane docs oIX function Hs designed, Pruden
<br /> 90 percent futi. Row restriction doll mot occur until the urate is where the ATG probe bas been removed and 14. Compare the raammmCots in Steps 11 and 12 '
<br /> So After inspection of the ball float valve assembly. nano than 90 per=m full, or the sack-top fittings compare to the crmwle reading to confirm ATG to the values programed into the Console.
<br /> Rinstzll it fmgowing the w U(WI=IS tnatalla- are not vapocl*1, the ball float valve fags the accuracy. If the reading does rot agree, Contact 16. Reinstall the ATG probe-
<br /> am instructions, inapectlom the appropriate person.
<br /> 2, W4rify that tic overfill alarm on the ATO is see to 75.7 Plss/Fall Criteria.
<br /> 7.27 Pens/Frit Criteria. The bag float valve NOTE: When pemunenUy removing a ball provide H warning when the tack is no mom than If overfill al
<br /> passes the inspection Wits ball Roatvalvefmscdons float, more that the entire assembly is Pr g 0perentNata whemthill@I is
<br /> Rahmved w as not to Suterf with other in percent eWL Commit 90 the tank than for the no srroR than 90 percent Cug, the overfill elerm
<br /> methods of overfill prevention,
<br /> trrhJevel nesting for 90 permmt [cote volume, patty the tat.
<br /> 3. Verity m t eATGcmnwlc thutbeoverrill alarm If the fuel level m the Console does not agree
<br /> 7.3 Overfill Alarms. circuit is operatmeal, with she gauge stick reading, Use system fails the
<br /> 4. Activate the overfill alarm warning to verify test'
<br /> 7.3.1. General. Overfill limits provide m nidi- its operation. U found defective, Contact the If the overfill alarm(s) does not activatc in We
<br /> bit and/or visible warning to the fuel delivery
<br /> driver if the product level in the UST reaches the aPPropiate person. vet molt, it fails the rest.
<br /> 90 percent level during a delivery. They are often 6. Remove the ATO probe cap and disconnect the If the overfill alams(s) does not arrivals or
<br /> an integral pan of the automatic tank gauge (ATO) cable from the ATO. aclNiVes at my product level above 90 percent
<br /> •rb system. An overfill about mu not stop m remict e, Remove sic ATG probe from the lank. Use tank capacity, it fails the lest.
<br /> product flow, care in enwre that the product float on the stun
<br /> 75.2 Purpose. 11e purpose of this inspection rias nor arch on the bottom of the riser during
<br /> �, • is in verify that the overfill alarm is creating cot- removal.
<br /> rwdy and is set to provide a winning when the tank 7t inspect the probe, The floats most move fmly
<br /> FIGURE 7.3. To avWd damage when MIMI a tetra is no more (ban 90 percent full. on the stun without binding.
<br /> stalling the ball Cool• orae an extraaa tad recommend-
<br /> ed by Oe ball float manulaaaec
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