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Recommended Fractius for theles* aniysdkadon of VA O,efA Leak Deteldura oral Secondary Contrrvrent equipment at UST WON PEURP1200.17
<br /> 13, With the STP on and full pump pressure if the leak demorur dors ma reset (trip) when the
<br /> • stopwatch or other timo-meumsmrrent device NOTE:: If the piping hu muter/smelfite dis- indicated, slowly open the test apparatus leak line pressure is bled off in coq The bfIID fails
<br /> capable of measuring a I-stand Immanent; pensers, the tett apparatus most be connected orifice and direct the fuel now into a test can. the test.
<br /> • graduated cylinder for manning Ink one; to the farthest satellite dispenser. 14. Ensure that fluid flow is passing the
<br /> If the STP does not property cycle on/offunder nor-
<br /> • 5-gallon mull gastest can. 6. Reestablish power to due pump. Opo Use sheer pressure regulator to Use leak orifice. With the mal fuel system operating conditions, rim MID
<br /> D
<br /> nitre and pressurize the fine by activating the pressure regulator, adjust the line pressure to Calls the tut
<br /> 9.L5 Preparation. 10 pug. Direct the fluid flow into a graduated
<br /> pump. Confirm that no leaks am present in she cylinder and time fm 60 seconds. Adjust the NOTE: If the leek director initially fails, the
<br /> test apparatus or the connection to the sheer
<br /> NOTE::At some ]acarian with mazrWsamiRm sin of the test apparatus leak orifice until time cost procedure should be repeated to crnfum
<br /> tui dispeminB inslallatias, the satellite may valve test POOL desired leak rate of 189 royalist is mhicvcd the initial insult
<br /> nor be protected by the hn LD.AI situ with a 7. Dispense pmdnet from the dispenser nozzle while maintaining a line pressure of 10 psig. It
<br /> masts/aazdlite fuclingl«edon, the tut should into the lost can in remove all air from the line. may be accessary to readjust the par-surcregss- 94.9 Restore System to operational Oondl-
<br /> be performed at the moat distant satelBte dis- lamr and/or the tea apparatus Irak orifice uv- tion. Upon completion of the test:
<br /> S. Clow Ilia dispenser nozzle and allow the line
<br /> penur so she otircpiping system is imitated. eel time in order to correctlyssu ecu the leak ram
<br /> in fully pressurize. Record this nsthe full pup � Shutoff to STP and arta lookout/
<br /> at 189 nsvmtn at a line pressure: of 10 psig. 7h power pert
<br /> Conduct the tut at the dispenser that has the high- pressure, upedite calibration, make coarse adjustments tagout procedures on the circuit breakers. Allow
<br /> at elevation in Ne system. If there is no difference 9. Shut off the pump, close the shear valve and by measuring Use volume of fluid that caro- line pressure to bleed off to zem and close the
<br /> in elevation between dispensers, conduct die test allow lire prannum to decay unfit it stabilizes. spends to l5 seconds (47 mp.7be fusel calibra- shear valve.
<br /> using the disposer farthest from the STP. Record Ulla u the check valve holding pressue don of the tut apparatus lark orifice must be Remove the tut apparatus from the shear valve
<br /> If the line pressure doe% not stabilize, this may I conducted by measuring a fluid volume of 189 body and property reinstall the plug Into the
<br /> Remove firm service all disposes connected to prevent the M-11) from operating property. cot over the full 60-second time frame. shear valve test port
<br /> the STP being tested Verify that the STP relays we
<br /> operating properly to ensure that the pup cyclo 10. Bleed line pressure to rem by opening the 15. TLm the pump off and allow the line pressure Reestablish pow" to the M. tum dispenser
<br /> on and off correctly. test apparatus Ink orifice and allowing fluid to bleed off completely IO psig) through the an and confirm that no leeks are plaint in the
<br /> in drain into a graduated cylinder. Record the teat apparatus leak orifice. This should cause system
<br /> 9.LG MLLD Test Procedure. volume of fhtid in the graduated cylinder as the leak detector to "nip" (wave into the Irak Dispense product into the seat can inremove say
<br /> the linercshliency. Close Ne test apparatus leak soling position). Do Out change the shot of
<br /> NOTE:: This procedure deuribea Wtbradan orifice, min pump back on and observe pes- the tut apparatus Wk orifice after it has ban air from the line orf confirm that toll product
<br /> of the test apparatus leak orifice with the use som gauge. Rumor should rise quickly and properly calibrated In Step 14. Dow is achieved.
<br /> of a pressure regulator. If you prefer not touse pause for approximately 2 to 5 seconds before 16. Redirect fluid flow to bypass the pressure 9.2 Electronic Line Ladle Detectors (ELD9). ET IT)
<br /> e pressure regulator, refer to the calibration building to full pump pressure. If If the Jim pres-
<br /> regulator, and turn fie pump on to allow the are commonly Installed at the STP and can detect a leak
<br /> procedure described in Section 91.6. sum reacher full pump possum without palls-
<br /> Ing, this indicates that the leak detector did rot simulated leak to ocasr through the calibrated in product piping belwan the EI-ID and fie solenoid
<br /> g wt apparatus leak orifice, valve inside product dispensers. F11.Ds trigger a alarm
<br /> I. iMostlys conn inspect the vat tube. a spy Nate I nthe leak move to the leak search position). and may shut down the STP if a leak u detected.
<br /> is connected az bah ends to the appropriate if the leak duuanr did nM move to she leak 17. Obsccve the the line pasture uses to the
<br /> locations and that fie vat tube is nor burl, search position, repeat Step 9. If the leak delis- metering pressure demmnined in Step it and 962.1 General. Use this lost procedure in an-
<br /> kinked, twisted or leaking. If the vent tube is not tor still doer not move to Use leak search posi- remains them indefinitely with the pump junctionwiththelzir menu(turer'shnsullation
<br /> properly conae"ed or is broko, kinked, twisted tion, the leak dilutor fells the rut running and the simulated leak occurring and maintenance instructions.
<br /> or leaking notify the appropriate person. 11. Obsitme the line pressure when it panics and through she calibrated tut apparatus leak
<br /> orifice. The metering pure most remain for 9.2.2 Purpose. This lest manna is used to
<br /> 2. Visually hila it the submersiblestingpump area for accord this u the metering pressure. a mlairoum of 60 wands. N the line pressure determine if an F1 I n can detect a product line
<br /> leakage while btu operating. 12, Memme the length of tine it mks from rises to the full pump pressure at any tiros leak equivalent to 3 gph at 10 psig.
<br /> 3. Shut off power to the pump and perform Ilk- pausing at the metering pressure until full during the taL this indicates that the leak 9,2.3 Description of Test. A test apparatus is
<br /> ouUtagout procedures an the circuit breakers. pump possum is achieved. Record this az the detector hes fully opened and fails the tut typically connected to the tut Pott on the shear
<br /> 4. Bleed line pressure to zero by minting Use opaingiime. lftheopeningtimeisgrcat"than valve inside a dispenser to simulate a leak in the
<br /> 5 seconds, this may indicate that air is sapped 9.L7 Pass/Fall Crkeria. If lire pressure doer Pe"
<br /> dispns" and opening the rozak, allowing fuel nor increase above the metering pressure for Use product line equivalent to 3 gph a 10 psig. The
<br /> to drain into the test can. Aft" all line ressure
<br /> in Umc line, the piping has high resiliency or s arca of the line leak detector is observed
<br /> P duration of the tut with the simulated leak leash- I "mm
<br /> has been bald off, hang up the note and close leak sing m than the Ink derpitor is capable of to ere if it deem the simulated leak
<br /> the shear valve, detecting may exist in the piping, ring, than the hf11D passes the test.
<br /> S. Concert the test apparatus to the shear valve tut NOTE: Pa close attention to the ressure If tate line pressure increases; to full pump pressure 9.2.4 Test Equipment. 7hst equipment shalt
<br /> port at the appropriate dispenser If tem is no gauge while measuring the opening time, as while the simulated leak u occurring n the N include:
<br /> elevation change, connect the tut apparatus at this happens rather quickly. fails the tut a tut apparatus that includes a planum gauge
<br /> the farthest dispenser.
<br /> ® ®i pg
<br /> pei.erg eLor
<br /> Recommended Practices for theliedig zndyeri8ada of Spit Osvrf4 teak Direction arcs Seconduy CanaNmstEgiprrent at USTFadmdes PEVRP1200-17
<br /> Verify that Use system setup parameters arc correct NOTE: 7b do Nis, direct the fluid flow into a NOTE The EI.I.D may cycle the pup on/
<br /> (e.g.. pipe diameter, pipe length, pipe material of graduated cylinderwhiletiming for 60 stands. off several times before slamming or shutting
<br /> construction, arc.). If any of the setup parameters down the pup.
<br /> are not correct. make any necessary changes to 9. Cantina to adjust the sin es the tut me is
<br /> ELLS bring the system settings within specifications. aatus leak o expfim until Use desired volume re 13.Record the number of tut cyclo observed
<br /> r achieved. To expedite calibration, nuke coarse beCorc aum✓shut down torus.
<br /> 9.2.6 ELLD Test Procedure. adjustments by measuring Use volume of fluid
<br /> thin corresponds to she 15-second lira interval NOTE: When required, perform a 0.2 gpb a
<br /> NOTE This procedure describes calibration indicated in Table 9.1. The final calibration 0.1 gph simulated leak tea on E[IDs. Fallow
<br /> of the tut apparatus leak orifice without the of the test apparamn leak orifice must be an- the msnufaccour's tut parameters, The ELLD
<br /> Me of a pressure regulator. If you prefer to dunned by measuring the appropriate volume of safety and tea act up pacedusu for 3.0 gph
<br /> calibrate the Ink oriflos with the use of a fluid over the full 66second timeframe. simulated leak tut should be followed,
<br /> piessum regulator, ref" to the procedure ! 10. Without adjusting the test apparaws leak oil-
<br /> describedinSection 9.1.6. fire after it has been property calibrated in Sup
<br /> 9.27 Paas/FdICrlteria. IftheELlDhazido-
<br /> 9, hang up the dispenser nozzle, allowing the Wind The simulated leak by generating an at=
<br /> ROURE 9.2. The ELLD mounted In the submersible L Shut off power to pup and perform ImkouU PUMP to win off. and, if applicable, abutting down the SIP, the
<br /> turbine p" will alarm on oo console when a leak u legout piocedunes on the circuit blankets,
<br /> rr r n puns the tut.
<br /> detected. 2. Bleed line pleasure to aero by activating the dis- M Where directing the fluid flow from the leak if the E[]D has not identified fie simulated leak
<br /> test apparatus into the teat can, Observe that the
<br /> with a minimum range o[ 0 fat psig that as penser and opening the note, allowing fuel to m r n nuns the pup on and pressurizes the by gating an alarm cod, if applicable, shutting
<br /> with
<br /> STYium ria piastre and an adjustable orifice drain into Ile tut can. After all line pressure has fine down the STP, the F1.ID fails the tut
<br /> N simulate a leak rate equivalent to 3 h at 10 shear
<br /> bled rff, hang up the role and cline the
<br /> °nd r le shear led oalve, 12. Confirm that this simulated leak audition B Use 51Y does not property cycle on/off under
<br /> psig, 3. Connect the eta wa to the shear valve causes the electronic the leak deuctorto alarm normal fuel system operating conditions, theELLD
<br /> • time-measurement device capable of nrasuring appaca and/or shut down thapump. fain the test,
<br /> test port at the highest dispenser. R there is no -
<br /> a I-s<cad ineretneal; elevation change, connect the test apparatus at NOTE: If the leak detector initially fails Use
<br /> • graduated cylinder for measuring leak rate; theforthestdispenser. . test, repea the testpmcedumbefore declaring
<br /> • 5-galloamaaltutun. the tcstruult az 'Ysll "
<br /> NOTE: If the piping has mauler/saullita dis-
<br /> 9.2.6 Preparation. pensers, the rest apparatus must be connected
<br /> to the farthest satellite dispenser, didon. Upon co completion System of the tat:
<br /> perational
<br /> NOTE: At locations with menu/satellite fuel
<br /> dispensing installations, the satellite may 4. Reestablish power to the pump. Open the shear • Shut off power to the 51P and perform lockout
<br /> not be protected by the ELID. Al locations valve and pressurize the line by activating the ragout procedures on the circuit breakers. Allow
<br /> with a mazedsauWm fueling location, the pump. Confirm that no leaks are present in the line prusum to bleed off to um and close the
<br /> test should be performed u the most distant lost apparatus or the connexion to the shear shear valve.
<br /> satellite dispenser an the entire piping system valve tut port • Remove the test apparatus from the $hear valve
<br /> Is included S. Dispense product from the dispenser note into body and properly reinstall the plug into the
<br /> the tut can to =move all as from the line. \ shear valve tut port.
<br /> NOTE ELLDS will win the STY on and off 6. Close the dispenses nozzle and allow the line to 1 • Rastablish pow" to the STP, mm dispenser
<br /> multiple Anus while rating the simulated fully pressurize Cunfum that the line pressure an and confirm that no leaks am present in the
<br /> leak Ensure the test can will not overflow observed is the fall punip pressum. - system.
<br /> during the tut Elm.
<br /> 7. Referencing the full pump pressum observed in • Dispase product into the rest can to remove My
<br /> Conduct the ter[ at the dispenser that has the high- Step 6, deurnine from Table 9.1 the volume of air farm the line and confirm that full product
<br /> at elentia to the thesysdis. a sere is no the
<br /> fluid that must be discharged in 60 seconds at flow is achieved.
<br /> Will pressure to simulate a Irak equivalent
<br /> in elevation between dispensers, conduct the testph
<br /> 3 gagph at 10 psig.
<br /> using the dispenser farthest from the SIP. to
<br /> Go With the pup running and the line at full pump
<br /> Remove from service all dispensers connected to pressure, slowly open the rest apparatus leak FIGURE 93. The fest port on the shear valve under the
<br /> the STP being toted. orifice and adjml until the flow into determined dispenser provides a location to simulate a Irak in the
<br /> Verify that the STY relays are operating properly to in Table 94 has been achiewed. I underground piping system
<br /> ensure that the pump cyder a and off correctly.
<br /> ® ® pel.org
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