U1 UST INSTALLATION/RETROFITTING
CLASS ONE QUESTIONS WITH
ANSWERS AND DETAILED
RATIONALES
1.ghOneghofghtheghsignificantghcausesghofghleaksghinghundergroundghliquidghstorageghsyste
msghisgh____________gh________________gh-ghANSWERS-ImproperghInstallation
2.ghWrittenghPlansghareghrequiredghtogh-ghANSWERS-
obtainghpermits,ghsolicitghbids,ghandghprovideghpreciseghguidanceghforghinstallers.
3.ghTheghplansghshouldgh-ghANSWERS-
Describeghtheghproperty,ghidentifyghtheghsizeghandghlocationghofghtheghtanks,ghindicateghtheg
hliquidsghtoghbeghstoredghandghprovideghtheghlocationghofghtheghdispensersghandghpiping.
4.ghStorageghsystemsghdiscussedghinghthisghrecommendedghpracticeghareghusuallyghregula
tedghbygh-ghANSWERS-Federalghstateghorghlocalghagencies.
5.ghAllghownersghshouldghensureghthatghtheghequipmentghtoghbeghinstalledghmeetsgh-
ghANSWERS-applicableghregulatoryghrequirementsghbeforeghbeingghinstalled
6.ghConsultghtheghlocalghauthoritiesghwhoghhaveghjurisdictionghinghtheghareaghbeforeghstorag
e-systemghplansgharegh-ghANSWERS-finalizedghorghconstructionghisghinitiated.
7.ghAllghownersghshouldghensureghthatghtheghequipmentghtoghbeghinstalledghmeetsghallghappli
cableghregulatoryghrequirementsghbeforegh-ghANSWERS-Beingghinstalled.
8.ghToghavoidghdamageghtanksghmustghnotghbegh-ghANSWERS-
dropped,ghdragged,ghorghhandledghwithghsharpghobjectsghand.
9.ghTanksghmustghnotghbeghdropped,ghdragged,ghorghhandledghwithghsharpghobjectsghtoghav
oidgh.gh-ghANSWERS-Damageghtoghtheghtank
10.ghTheghonlyghtimeghtanksghreallyghshouldghbeghmovedghisghwhengh-ghANSWERS-
forghinspectionsghandghtesting.
11.ghIfghaghtanksghisghdamagedghatghallghthroughoutghtheghmovingghprocessghitghmustghbegh-
ghANSWERS-Repairedghinghaccordanceghwithghtheghmanufacturesghinstructions.
12.ghTheghproperghwayghtoghmoveghaghtankghisghbyghliftingghit,ghusingghthegh-ghANSWERS-
Liftghlugsghthatghareghinstalledghbyghtheghmanufacturer.
13.ghTanksghshouldghbeghcarefullyghliftedghandghloweredghusinggh-ghANSWERS-
Cablesghorghchainsghofghadequateghlength.
14.ghWhenghtwoghliftingghlugsghareghbingghused,ghtheghangleghbetweenghtheghliftingghcablegha
ndghverticalghshouldghbeghnoghmoreghthangh-ghANSWERS-30ghdegrees.
, 15.ghStockpileghpipingghmaterialsghandghequipmentghinghagh_____________gh_________g
honghtheghjobghsitegh-ghANSWERS-Securegharea
16.ghConfirmghadherenceghtoghspecificationsghbyghreportingghtoghtheghownerghaboutghanygh-
ghANSWERS-
detectedghdamageghthatghcouldghresultghinghleakageghorghprematureghcorrosion.
17.ghPressureghtestghsingle-
walledghtanksghwithgh_____ghtogh_______ghpsigghairghpressure,ghsoapingghallghsurfaces,ghs
eamsghandghfittingsghwhileghinspectingghforghbubbles.gh-ghANSWERS-3ghtogh5
18.ghAirghtestingghwithghovergh___ghpsiggh(3ghPsigghforgh12-
Ft.ghDiameterghFRPghtanks)ghisghhazardousghandghmayghdamageghtheghtankgh-
ghANSWERS-5ghpsig
19.ghDoghnotghairghtestghaghtankghthatghhasghpreviouslyghcontainedgh-ghANSWERS-
flammableghorghcombustibleghliquids
20.ghPlacegh______ghbarricadesghatghtheghendsghofghtanksghbeingghtested.gh-ghANSWERS-
Warning
21.ghAvoidghtankghends,ghman-ways,ghandghfittingsghwhileghtheghtankghisghundergh-
ghANSWERS-Pressure
22.ghReleaseghpressureghinghtheghtankghbeforeghdisconnectingghanygh-ghANSWERS-
gaugesghorghtestghfittings.
23.ghBeghawareghsomeghmanufacturesghdoghnotghtightenghfittingsghtoghallowghforgh_______
______gh_____________ghduringghshippingghandghstorage.gh-ghANSWERS-
Temperatureghchanges
24.ghT-
F:ghAirghtestsghareghinconclusiveghwithoutghsoapingghandghcarefulghinspectionghforghbubble
s?gh-ghANSWERS-True
25.ghTanksghgaugesghmustghhaveghaghscaleghthatghwillghpermitghdetectionghofghsmallghchan
gesghingh__________ghthatghmightghgoghundetectedghonghgaugesghwithghagh___________g
h_________.gh-ghANSWERS-Pressure,ghbroaderghrange.
26.ghSinceghtheghbestghaccuracyghofghgaugesghisghatghmid-
range,ghandghtestghpressuresghmustghnotghexceedgh5ghpsig,ghuseghaghgaugeghwithghaghmaxi
mumghlimitghofgh____ghorgh______gh-ghANSWERS-10ghorgh15ghpsig
27.ghCheckghtheghgaugesgh__________ghandgh_________ghbeforeghusegh-ghANSWERS-
operationghandghaccuracy
28.ghUndergroundghstorageghsystemsghmayghincludeghvapor-recoverygh-ghANSWERS-
Pipingghandghequipment
CLASS ONE QUESTIONS WITH
ANSWERS AND DETAILED
RATIONALES
1.ghOneghofghtheghsignificantghcausesghofghleaksghinghundergroundghliquidghstorageghsyste
msghisgh____________gh________________gh-ghANSWERS-ImproperghInstallation
2.ghWrittenghPlansghareghrequiredghtogh-ghANSWERS-
obtainghpermits,ghsolicitghbids,ghandghprovideghpreciseghguidanceghforghinstallers.
3.ghTheghplansghshouldgh-ghANSWERS-
Describeghtheghproperty,ghidentifyghtheghsizeghandghlocationghofghtheghtanks,ghindicateghtheg
hliquidsghtoghbeghstoredghandghprovideghtheghlocationghofghtheghdispensersghandghpiping.
4.ghStorageghsystemsghdiscussedghinghthisghrecommendedghpracticeghareghusuallyghregula
tedghbygh-ghANSWERS-Federalghstateghorghlocalghagencies.
5.ghAllghownersghshouldghensureghthatghtheghequipmentghtoghbeghinstalledghmeetsgh-
ghANSWERS-applicableghregulatoryghrequirementsghbeforeghbeingghinstalled
6.ghConsultghtheghlocalghauthoritiesghwhoghhaveghjurisdictionghinghtheghareaghbeforeghstorag
e-systemghplansgharegh-ghANSWERS-finalizedghorghconstructionghisghinitiated.
7.ghAllghownersghshouldghensureghthatghtheghequipmentghtoghbeghinstalledghmeetsghallghappli
cableghregulatoryghrequirementsghbeforegh-ghANSWERS-Beingghinstalled.
8.ghToghavoidghdamageghtanksghmustghnotghbegh-ghANSWERS-
dropped,ghdragged,ghorghhandledghwithghsharpghobjectsghand.
9.ghTanksghmustghnotghbeghdropped,ghdragged,ghorghhandledghwithghsharpghobjectsghtoghav
oidgh.gh-ghANSWERS-Damageghtoghtheghtank
10.ghTheghonlyghtimeghtanksghreallyghshouldghbeghmovedghisghwhengh-ghANSWERS-
forghinspectionsghandghtesting.
11.ghIfghaghtanksghisghdamagedghatghallghthroughoutghtheghmovingghprocessghitghmustghbegh-
ghANSWERS-Repairedghinghaccordanceghwithghtheghmanufacturesghinstructions.
12.ghTheghproperghwayghtoghmoveghaghtankghisghbyghliftingghit,ghusingghthegh-ghANSWERS-
Liftghlugsghthatghareghinstalledghbyghtheghmanufacturer.
13.ghTanksghshouldghbeghcarefullyghliftedghandghloweredghusinggh-ghANSWERS-
Cablesghorghchainsghofghadequateghlength.
14.ghWhenghtwoghliftingghlugsghareghbingghused,ghtheghangleghbetweenghtheghliftingghcablegha
ndghverticalghshouldghbeghnoghmoreghthangh-ghANSWERS-30ghdegrees.
, 15.ghStockpileghpipingghmaterialsghandghequipmentghinghagh_____________gh_________g
honghtheghjobghsitegh-ghANSWERS-Securegharea
16.ghConfirmghadherenceghtoghspecificationsghbyghreportingghtoghtheghownerghaboutghanygh-
ghANSWERS-
detectedghdamageghthatghcouldghresultghinghleakageghorghprematureghcorrosion.
17.ghPressureghtestghsingle-
walledghtanksghwithgh_____ghtogh_______ghpsigghairghpressure,ghsoapingghallghsurfaces,ghs
eamsghandghfittingsghwhileghinspectingghforghbubbles.gh-ghANSWERS-3ghtogh5
18.ghAirghtestingghwithghovergh___ghpsiggh(3ghPsigghforgh12-
Ft.ghDiameterghFRPghtanks)ghisghhazardousghandghmayghdamageghtheghtankgh-
ghANSWERS-5ghpsig
19.ghDoghnotghairghtestghaghtankghthatghhasghpreviouslyghcontainedgh-ghANSWERS-
flammableghorghcombustibleghliquids
20.ghPlacegh______ghbarricadesghatghtheghendsghofghtanksghbeingghtested.gh-ghANSWERS-
Warning
21.ghAvoidghtankghends,ghman-ways,ghandghfittingsghwhileghtheghtankghisghundergh-
ghANSWERS-Pressure
22.ghReleaseghpressureghinghtheghtankghbeforeghdisconnectingghanygh-ghANSWERS-
gaugesghorghtestghfittings.
23.ghBeghawareghsomeghmanufacturesghdoghnotghtightenghfittingsghtoghallowghforgh_______
______gh_____________ghduringghshippingghandghstorage.gh-ghANSWERS-
Temperatureghchanges
24.ghT-
F:ghAirghtestsghareghinconclusiveghwithoutghsoapingghandghcarefulghinspectionghforghbubble
s?gh-ghANSWERS-True
25.ghTanksghgaugesghmustghhaveghaghscaleghthatghwillghpermitghdetectionghofghsmallghchan
gesghingh__________ghthatghmightghgoghundetectedghonghgaugesghwithghagh___________g
h_________.gh-ghANSWERS-Pressure,ghbroaderghrange.
26.ghSinceghtheghbestghaccuracyghofghgaugesghisghatghmid-
range,ghandghtestghpressuresghmustghnotghexceedgh5ghpsig,ghuseghaghgaugeghwithghaghmaxi
mumghlimitghofgh____ghorgh______gh-ghANSWERS-10ghorgh15ghpsig
27.ghCheckghtheghgaugesgh__________ghandgh_________ghbeforeghusegh-ghANSWERS-
operationghandghaccuracy
28.ghUndergroundghstorageghsystemsghmayghincludeghvapor-recoverygh-ghANSWERS-
Pipingghandghequipment