U1 UST Installation/Retrofitting

34. 2 Gauges should be used to reduce ___________ ____________

gauge failure

22. Release pressure in the tank before disconnecting any

gauges or test fittings.

14. When two lifting lugs are being used, the angle between the lifting cable and vertical should be no more than

30 degrees.

49. In areas subject to vehicle traffic, cover may consist of at least _________ inches of compacted backfill and ________ inches of asphaltic concrete, or___________ inches of reinforced concrete

30, 6, 18

52. ________ feet is the typical burial depth for steel tanks

5

18. Air testing with over ___ psig (3 Psig for 12-Ft. Diameter FRP tanks) is hazardous and may damage the tank

5 psig

37. To avoid damaging the interstitial space between tank walls from over-pressurization, avoid pressurizing the inner tank to a maximum of______ psig

5 psig

51. For fiberglass tanks ______ feet is the standard max depth for the tank

7

74. A bottom hold-down pad usually consists of ___inches of reinforced concrete that extends at least ____inches beyond the tank sides and one foot beyond each end.

8,18

87. In all cases, the set-points for overfill "alerts, " such as alarms or vent-restricting devices, should not exceed ______%of capacity and the set-points for product delivery shutdown through flapper-valve-type devices should not exceed 95%.

90%

55. If a product is used for ballast do not fill tank about _______ percent ?

95

73. Weight can be added to the top of a buried tank to offset ____________

Buoyancy

4. Storage systems discussed in this recommended practice are usually regulated by

Federal, state or local agencies.

46. _______ ____________ are geotextiles designed to prevent movement of back-fill materials, while permitting water to pass through

Filter fabrics

12. The proper way to move a tank is by lifting it, using the

Lift lugs that are installed by the manufacturer.

71. When adding ballast to an excavation what is the only type of equipment that should be used _____________.

Lifting

5. All owners should ensure that the equipment to be installed meets

applicable regulatory requirements before being installed

72. All methods of anchoring tanks used the weight of the back-fill and paving on top of the tank to offset ____________ forces.

buoyancy

16. Confirm adherence to specifications by reporting to the owner about any

detected damage that could result in leakage or premature corrosion.

2. Written Plans are required to

obtain permits, solicit bids, and provide precise guidance for installers.

27. Check the gauges __________ and _________ before use

operation and accuracy

84. Vent restriction devices must not be installed in storage systems that are equipped with_____________ pumps and air eliminators.

suction

1. One of the significant causes of leaks in underground liquid storage systems is ____________ ________________

Improper Installation

24. True or False: Air tests are inconclusive without soaping and careful inspection for bubbles?

True

36. True of False: Over pressurization could be a result of temperature changes

True

28. Underground storage systems may include vapor-recovery

Piping and equipment

38. Double wall tanks pressure should be monitored for _____ hour

1

26. Since the best accuracy of gauges is at mid-range, and test pressures must not exeed 5 psig, use a gauge with a maximum limit of ____ or ______

10 or 15 psig

53. Excavated materials that cannot be immediately removed from the site should be safely stockpiled at least _______ feet away from the edge of the tank excavation

2

17. Pressure test single-walled tanks with _____ to _______ psig air pressure, soaping all surfaces, seams and fittings while inspecting for bubbles.

3 to 5

76. In all cases, the set-points for overfill "alerts, " such as alarms or vent-restricting devices, should not exceed 90% of capacity and the set-points for product delivery shutdown through flapper-valve-type devices should not exceed ____%.

95%

58. Cover the bottom of the excavation with suitably graded and properly placed back fill material to a depth of at least _________ Foot/feet deep

A. 0.5 Foot B. 1 foot C. 1.5 Feet D. 2 Feet Answer B

48. ___ feet of backfill must be placed between adjacent tanks and between tanks and excavation walls.

A. 1 B. 2 C. 3 D. 4 Answer B

96. To improve effectiveness of inventory control, manual tank gauging, and statistical inventory reconciliation, the tank owner should utilize a tank chart and gauge stick calibrated in _____ inch

A. 1/6th B. 1/8th C. 2/3ds D. 1/7th Answer B

60. When dealing with a fiberglass tank the bottom of the excavation or hold-down pad must be covered with a minimum of ______ foot/ feet of suitably graded and compacted back fill material.

A. 10 B. 3 C. 1 D. 2 Answer C

97. Observation wells located inside the tank excavation and monitoring wells installed in native soil outside the tank excavation may be used for leak detection only if the water table is within ______ft of the ground surface year-round.

A. 25ft B. 20ft C. 22ft D. 23ft Answer B

98. When installed, standard drop tubes should allow for at least ____ and less than ______ inches of clearance from the tank bottom to the highest point of the tube cut

A. 4,6 in B. 2,8in C. 3,9in D. None of the above

93. Transition sumps installed for any reason should always be installed with a raised concrete apron not less than _______ inches all around the grade opening for durability reasons

A. 42" B. 24" C. 22" D. 21" E. 20:" Answer B

61. Place sand and back fill into the excavation in twelve to eighteen inch lifts and compact after each lift. Repeat this process up to at least _________ % of the tank.

A. 60 B. 65 C. 55 D. 70 Answer A

77. Secure the straps to anchor points with

A. Anchor bolts B. Turnbuckles C. Wire cables D. All of the above Answer D

85. Vent restriction devices will not work as ______________ ______________ measures when coaxial Stage I Vapor recovery is used.

A. Backup safety B. Overfill-prevention C. Spill containment D. None of the above Answer B

42. A double-walled tank shipped with a _____________ on the interstice need not be subjected to an air/soap test.

A. Ballard B. Gauge C. Skid D. Vacuum Answer D

79. The manhole should provide flexibility between the fill pipe and the manhole assembly to ___________ ******

A. Be able to bend if pressure is exerted during filling. B. Prevent the transfer of stress to the UST C. Create room is the manhole where to ever move or shift slightly D. All of the above Answer D

43. To avoid undermining foundations of existing structures excavation must be done

A. Carefully B. Tentatively C. Quickly D. Efficiently Answer A

45. Much of a buried tanks support is derived from __________

A. Compacted backfill B. Chain-falls C. Reinforced steal walls D. Concrete Answer A

88. The installation should facilitate the detection of leakage by inspection or ______________________

A. Continuous monitoring B. Leak detection C. Oil sensors D. All of the above answer D

92. All dispenser-sump entries, including electrical, should be fitted with____________ __________________ penetration fittings to prevent the escape of released liquids or water intrusion

A. Coring B. Desultory C. Minutiae-peddling D. Liquid-tight Answer D

91. If a man-way weighs more than a single wall tank, what effect could that have on the tank

A. Cracking B. Rolling C. Deteriorating D. None of the above Answer A

62. During construction the tank should not be used to support

A. Cribbing B. Bracing C. Blocking D. All of the above Answer D

40. If the compartmented tank has double-walled bulkheads, compartments may be tested at the _____________ __________

A. First time B. Second time C. Same time D. Last time Answer C

50. Maximum burial depth, measured from the top of the tank, are established by tank __________ and ________________

A. Manufacturers and the installers B. Independent testing laboratories C. Installers and independent testing labs D. Installers and the tank owner E. Manufacturers F. Both B and E Answer F

86. When installing an overfill-prevention device, refer to the _____________ chart provided by the tank manufacturer to determine the correct distance below the tank top for that device.

A. Measuring B. Units C. Placement D. Gauging check this one

70. If water ballast is used to sink a tank in a wet hole, the level of ballast in the tank should not _____________ the level of water in the hole.

A. Meet B. Exceed C. Fall short of D. Be inferior of Answer B

100. An efficient piping design______________ the length of piping and the ___________ of fittings, enhances operations, and facilitates testing and maintenance

A. Minimizes, amount B. Reduces, number C. minimizes, number D. Eliminates, amount Answer. C.

39. If a compartment has single walled bulkheads, test the compartments on ___________ ___________ of the same bulkhead at different times.

A. Opposite sides B. Different sides C. Adjacent sides D. Congruent sides Answer B

95. The purpose of a ____________ detection is to provide early warning of the loss of integrity in any portion of the underground storage system that routinely contains product.

A. Release B. Arcane C. Connive D. None of the above Answer A

94. Installing sensors in dispenser sumps can provide a more reliable warning of _________ ____________

A. Sensor leaks B. Tank leaks C. Over-fill leaks D. Dispenser leaks Answer D

57. Back fill material should be

A. Stagnate B. A-Morph-is C. Egregious D. Free flowing Answer D

89. Tank-Top sumps are containers designed to contain leaks or spills that involve tank-top fittings and equipment, and to isolate____________ pipefittings from the corrosive underground environment.

A. Steel B. Climatic C. Intrusive D. Convex Answer A

44. What is the determinant of the total depth of the tank excavation.

A. Tank diameter, bedding-thickness, hold-down pad(If required), depth of cover, and slope and length of piping. B. Slope and length of piping, depth of cover, hold down pad(If required), thickness, amount of dirt C. Thickness, hold-down pad(If required), depth of cover, bedding, previous leaks or spills D. Slope and length of piping, thickness, amount of dirt, depth of cover, bedding, thickness. Answer A

99. In most states, acceptable leak detection for newly installed______________ ___________ is limited to a combination of line leak detection and interstitial monitoring.

A. Under-ground tank B. Pressurized piping C. Above-ground tank D. Submersible pump Answer B

82. Shut-off devices that are designed for use with UST's should only be used with _________ deliveries.

A. Unmanned deliveries B. Quick deliveries C. Gravity deliveries D. All of the above Answer C

83. Vent Restrictions Devices are installed inside the UST just below the

A. Vent opening B. Fill pipe C. Submersible pump D. Coagulator pipe Answer A

80. Three types of overfill- prevention devices are commonly used.

A. alarms, flow shut-off devices, and vent-restriction devices B. flow shut-off devices, alarms, vent- restriction devices C. vent restriction devices, flow shut-off devices, alarms D. All of the above

65. A primary method of restraining tanks in areas subject to flooding is to ___________ the burial depth

A. level B. Increase C. Decrease D. Diminish Anser b

59. What are the standard back fill materials for a fiberglass tank.

A. pea gravel and crushed rock B. pea gravel and dirt C. pea gravel and water D. sawdust and pea gravel Answer A

54. Common deficiencies that adversely affect the structural integrity and coating of tanks include

A. use of incorrect backfill material B. Inadequate or improper placement or compaction of backfill materials C. rocks of debris left in the excavation D. Voids under the lower quadrant of the tank E. Failure to prevent migration of backfill materials F. All of the above Answer F

63. A ______________ should be used where installation are located in areas subject to high water tables of flooding.

Anchoring

7. All owners should ensure that the equipment to be installed meets all applicable regulatory requirements before

Being installed.

13. Tanks should be carefully lifted and lowered using

Cables or chains of adequate length.

56. Water in a storage tank can promote internal _____________ and degrade fuel quality.

Corrosion

9. Tanks must not be dropped, dragged, or handled with sharp objects to avoid

Damage to the tank

29. What can cause premature storage-system failures _________

Debris and other foreign materials

3. The plans should

Describe the property, identify the size and location of the tanks, indicate the liquids to be stored and provide the location of the dispensers and piping.

66. The ________________ and _______________ of the tank are the most significant factors that determine the buoyancy of the tank.

Diameter, Capacity

69. If dissimilar back fill material, such as sand and pea gravel, are used in the same excavation, separate them with a ________ _____________

Fabric filter

81. _________ are installed in the fill pipe of underground tanks and automatically stop the flow of product into the tank during a delivery.

Flow shut-off Devices

68. Filter fabrics are ______________ designed to prevent movement of back fill materials, while permitting water to pass through

Geotextiles

41. Carefully inspect _______________ and __________________ surfaces of a tank shipped with a liquid-filled interstice for signs of leakage

Interior, exterior

64. During installation, tank vents and other openings that are not liquid-tight should be extended above the ____________ flood-stage water level until piping is complete.

Maximum

35. A pressure-relief device should e used to prevent _______________ ____________

Over pressurization

32. ___________________ should insure that the equipment to be installed meets all applicable regulatory requirements before beginning an installation

Owners

21. Avoid tank ends, man-ways, and fittings while the tank is under

Pressure

25. Tanks gauges must have a scale that will permit detection of small changes in __________ that might go undetected on gauges with a ___________ _________.

Pressure, broader range.

11. If a tanks is damaged at all throughout the moving process it must be

Repaired in accordance with the manufacture's instructions.

90. What type of system provides an additional layer of protection against released product.

Secondary-containment

15. Stockpile piping materials and equipment in a _____________ _________ on the job site

Secure area

30. Tank installers should have gone through training programs to improve their skills and insure the install is __________

Successful

23. Be aware some manufactures do not tighten fittings to allow for _____________ _____________ during shipping and storage.

Temperature changes

33. Tanks should be ___________ inspected before installation

Visually

20. Place ______ barricades at the ends of tanks being tested.

Warning

78. Slope concrete away from spill-containment man holes to prevent ______________ from entering.

Water

47. To provide a firm foundation for the tank, set the tank on a bed of ___________ material one foot thick that extends one foot beyond the ends and sides of the tank.

backfill

8. To avoid damage tanks must not be

dropped, dragged, or handled with sharp objects.

6. Consult the local authorities who have jurisdiction in the area before storage-system plans are

finalized or construction is initiated.

19. Do not air test a tank that has previously contained

flammable or combustible liquids

75. Straps for steel tanks should be either nonmetallic or _________ ________.

flat steel

10. The only time tanks really should be moved is when

for inspections and testing.

67. A tank shipped with a liquid filled __________ or with an interstice on which a vacuum is drawn, need not be subjected to the instillation air/soap test

interstice

31. __________ kinds of plans are required to obtain permits, solicit bids, and provide precise guidance for installers

written