DC 307

  1. How many list control tanks are located onboard TR?
  2. How many DC floodable voids are there?
  3. What is the purpose of a plugging kit?
    Used to plug holes in piping or bulkheads to stop the spreading of floods
  4. What things are located inside a plugging kit?
    • Plugs and Wedges
    • Saw
    • Rags
    • Oakum
    • Chisel
    • Hammer
  5. What are plugs inside the plugging kit used for?
    Used to insert into the damaged area of piping or a bulkhead
  6. What types of wood are the plugs/wedges for a plugging kit made out of?
    • Spruce
    • Yellow pine
    • Douglas fir
  7. Why are there only certain types of wood used for plugging?
    They allow for a tighter fit and easy to cut
  8. Why are rags located inside a plugging kit?
    Used to wrap areound plugs for tighter fit or to plug holes
    Plugs and wedges are the same thing IAW powerpoint
  10. What is Oakum inside a plugging kit used for?
    To help fill tiny cracks that the wedges or plugs cannot fill
  11. What is Oakum made out of?
    Fibrous material
  12. What is the Chisel used for inside a plugging kit?
    Used to break apart splintered edges of a cracked bulkhead or pipping
  13. What is the hammer used for inside a plugging kit?
    Used to fully insert wedges or plugs into damaged area to create a snug fit
  14. What things are located inside a shoring kit?
    • Nailes
    • Maules
    • Wedges
    • Saws
    • Carpenter square
    • Carpenter pencil
    • C-Clamps
    • Tape Measurer
  15. What are the nails used for inside a shoring kit?
    Used to reinforce shoring
  16. What are mauls used for inside the shoring kit?
    Used to firmly set wedges and create a tighter seal
  17. What are wedges inside the shoring kit used for?
    Used to fill any gap between shore and damage
  18. What is the saw used for inside the shoring kit?
    Used to cut wood shores to appropriate length
  19. What is the carpenter square used for inside a shoring kit?
    used to measure and make angle cuts on wood shores
  20. What are c-clamps used for inside the shoring kit?
    Used to either hold shore in place or hold down damaged area
  21. What is the tape measurer used for inside the shoring kit?
    Used to get measurements
  22. What is the benefits of steel shoring?
    • quick and easy to set up
    • does not require measuring
  23. What is located inside the investigator kit?
    • Dogging wrench
    • Dogging pipe
    • Message blanks
    • Explosive proof flashlights
  24. What is the dogging wrench inside the investigator kit used for?
    Used to dog down hatches
  25. What is the dogging pipe insde the invetigator kit used for?
    Used to dog down doors
  26. What are message blanks used for?
    Used to send messages back to the locker
  27. What is the explosive proof flashlight used for?
    Used in environments that might have explosive fumes
  28. What is contained in the desmoking kit?
    • Smoke blanket
    • Smoke curtain
    • Smoke curtain clamps
  29. What two types of fans do we use for desmoking?
    • RAM FAN
    • BOX FAN
  30. What is a smoke blanket used for and what is it made out of?
    • Used to cover large areas for smoke boundary
    • Make out of thin vinyl material
  31. What is the smoke curtain used for?
    Used to hang around WTD to enclose smokes control zones
  32. What are curtain clamps used for?
    Strong spring clamps used to hold up/down smoke curtains and smoke blankets
  33. What is the best way to combat a ruptured pipe?
    Isolating the rupture by locating cut off valves
  34. What are the 4 types of patching?
    • Soft patch
    • EWARP
    • Jubile patch
    • Banding
  35. What types of pipes would you use "soft patch" on?
    • Less than 150 PSI
    • Non-Flammable materials
    • Non-Steam pipes
  36. What types of pipes would you use a "jubilee patch" on?
    Pipes less than 100 PSI
  37. What is the weakest of all the pipe patches?
    Jubilee patch
  38. What are the 4 steps to use a Jubilee patch?
    • 1. Isolate Damage
    • 2. Slide patch over damaged area
    • 3. Fasten bolts down evently
    • 4. Perform op-test
  39. What types of pipes would you use "banding" on?
    • Piping systems that are 150 PSI or less
    • Not many restrictions
  40. How many inches should banding be over the damage?
    2 inches
  41. What is banding comprised of?
    • Strong back lined with gasket
    • three clamps
  42. What does EWARP stand for?
    Emergency water activated repair patch
  43. What is EWARP used on?
    moist piping system with 150 PSI or less
  44. How is EWARP activated?
    Room temperate water
  45. What do you not want to use EWARP on?
    • pertroleum based piping
    • systems over 300 degrees
    • Potable water (due to fiberglass)
  46. How long do you soak EWARP for before use?
    20 seconds
  47. How long is the cure time for EWARP?
    30 minutes
  48. What are the two portable eductors found in each repair locker?
    • perijet
    • s-type (single jet)
  49. What is used in conjuction with the portable eductors to create suction?
  50. What type of effect do the perijet, derbishyre, and s-type eductors use?
    Venturi effect - speed of water flowing through nozzle creates a vacuum in the suction area of the eductor
  51. Describe the perijet eductor
    • 2 1/2 inch FM inlet that drives through 6 nozzles creating a vacuum
    • 4 inch discharge side
    • Does not require a foot strainer
    • Place at slight angle so it does no become stuck to the deck
  52. Describe the S-type eductor
    • 1 1/2 inch FM inlet that drives through a single nozzle creating a vacuum
    • 2 1/2 inch discharge
    • Requires a foot strainer
    • Maximum suction lift of 30ft
  53. What is the P-100 Pump primarily used for?
    • Firefighting
    • But can be used for dewatering
  54. What is the P-100 pump fueled by?
    • J-P5
    • Diesel fuel
  55. What is important to know about which hose to use for the suction side of the P-100 pump?
    Strainer must be attached to the suction side
  56. How much PSI and gallons per minute do the P-100 pump provide?
    • 83 PSI
    • 100 Gal per minutes
  57. What does ESP stand for?
    Electrical submerisble pump
  58. How is the ESP powered?
  59. Who operates and inspects the ESP?
  60. What is the maximum suction lift and gpm for the ESP? What is the minimum?
    • 70 ft suction lift
    • 140 GPM

    • 50ft suction lift
    • 200 GPM
  61. What kind of strainer does the ESP use?
    Star strainer to keep debri from clogging up the pump
  62. Can you use the ESP in tandum?
    • Yes (two at the same time)
    • But power on lower ESP first
  63. How would you lower the ESP into a space?
    By using double braided tending line and not the power cord
  64. Who must give permission to use the ESP in oily water?
  65. Why would using the ESP in oily water be a bad idea?
    • Does not have a cooler installed
    • Oily water could run the risk of causing a fire or explosion
  66. What is main drainage?
    • fixed eductors in machinery spaces
    • Utiliezes EOSS to operate
  67. How do you align eductors?
    • DFS
    • Discharge, Firemain, Suction
  68. How do you secure eductors from use?
    • SFD
    • Suction, Firemain, Discharge
  69. What is the best way to combat structural damage?
  70. What are the three types of recommended shoring?
    • K-type
    • I-type
    • Cross axial with no deck anchorage
  71. What two types of shoring material do we use?
    • Wood
    • Steel
  72. What are the two sizes for steel shoring?
    • 3x5
    • 6x11
  73. When fully collapased, how much can steel shoring hold?
    20,000 lbs of force
  74. When fully extended, how much can the 3x5 steel shoring hold?
    12,000 lbs of force
  75. When fully extended, how much can the 6x11 steel shoring hold?
    6,000 lbs of force
  76. What are some benefits to steel type shoring?
    • Easy to set up
    • Can be welded in place
    • Can be tightened by hand or ford wrench
  77. What is a disadvantage of steel type shoring?
    Can produce sparks (not to be used in toxic atmosphere)
  78. What are wood shores sizes stowed by?
    16-18 ft 4x4 lumber
  79. What are the three types of wood used for wood shoring?
    • Douglas Fir
    • Yellow Pine
    • Spruce
  80. The length of a wood shore can only be ____ times the minimum but thickness
    30 times
  81. What size length can you use for a 4x4 wood shore?
    • 10ft (30x4=120, 120/12= 10ft)
    • 30 = times of but thickness
    • 4 = minimum but thickness of shore
    • 12 = a foot
  82. What is K type shoring also known as?
  83. Describe K type shoring
    • Use of two beams to meet at the center of damage to form a point (anchoring points are required)
    • Needs wedges to help strengthen
    • Strong back may be required to help evenly distribute pressure
  84. What is a carpenter square is not available to cut wood for k type shoring?
    Use shoring battens
  85. What are shoring battens used for?
    To make quick measurements for shoring angle cuts
  86. What shoring type is the strongest?
    I type
  87. What is I type shoring also known as?
    Direct Compression
  88. What are the benefits of I type shoring
    • Anchor to anchor points
    • Quick and easy to set up
  89. What is the weakest of all shoring types?
    • H-type
    • Cross axial without deck anchorage
  90. Where are anchor points required for cross axial shoring?
    At the top, not at the bottom
Card Set
DC 307