How many list control tanks are located onboard TR?
How many DC floodable voids are there?
What is the purpose of a plugging kit?
Used to plug holes in piping or bulkheads to stop the spreading of floods
What things are located inside a plugging kit?
- Plugs and Wedges
What are plugs inside the plugging kit used for?
Used to insert into the damaged area of piping or a bulkhead
What types of wood are the plugs/wedges for a plugging kit made out of?
- Yellow pine
- Douglas fir
Why are there only certain types of wood used for plugging?
They allow for a tighter fit and easy to cut
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
What is Oakum inside a plugging kit used for?
To help fill tiny cracks that the wedges or plugs cannot fill
What is Oakum made out of?
What is the Chisel used for inside a plugging kit?
Used to break apart splintered edges of a cracked bulkhead or pipping
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
What things are located inside a shoring kit?
- Carpenter square
- Carpenter pencil
- Tape Measurer
What are the nails used for inside a shoring kit?
Used to reinforce shoring
What are mauls used for inside the shoring kit?
Used to firmly set wedges and create a tighter seal
What are wedges inside the shoring kit used for?
Used to fill any gap between shore and damage
What is the saw used for inside the shoring kit?
Used to cut wood shores to appropriate length
What is the carpenter square used for inside a shoring kit?
used to measure and make angle cuts on wood shores
What are c-clamps used for inside the shoring kit?
Used to either hold shore in place or hold down damaged area
What is the tape measurer used for inside the shoring kit?
Used to get measurements
What is the benefits of steel shoring?
- quick and easy to set up
- does not require measuring
What is located inside the investigator kit?
- Dogging wrench
- Dogging pipe
- Message blanks
- Explosive proof flashlights
What is the dogging wrench inside the investigator kit used for?
Used to dog down hatches
What is the dogging pipe insde the invetigator kit used for?
Used to dog down doors
What are message blanks used for?
Used to send messages back to the locker
What is the explosive proof flashlight used for?
Used in environments that might have explosive fumes
What is contained in the desmoking kit?
- Smoke blanket
- Smoke curtain
- Smoke curtain clamps
What two types of fans do we use for desmoking?
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
What is the smoke curtain used for?
Used to hang around WTD to enclose smokes control zones
What are curtain clamps used for?
Strong spring clamps used to hold up/down smoke curtains and smoke blankets
What is the best way to combat a ruptured pipe?
Isolating the rupture by locating cut off valves
What are the 4 types of patching?
- Soft patch
- Jubile patch
What types of pipes would you use "soft patch" on?
- Less than 150 PSI
- Non-Flammable materials
- Non-Steam pipes
What types of pipes would you use a "jubilee patch" on?
Pipes less than 100 PSI
What is the weakest of all the pipe patches?
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
What types of pipes would you use "banding" on?
- Piping systems that are 150 PSI or less
- Not many restrictions
How many inches should banding be over the damage?
What is banding comprised of?
- Strong back lined with gasket
- three clamps
What does EWARP stand for?
Emergency water activated repair patch
What is EWARP used on?
moist piping system with 150 PSI or less
How is EWARP activated?
Room temperate water
What do you not want to use EWARP on?
- pertroleum based piping
- systems over 300 degrees
- Potable water (due to fiberglass)
How long do you soak EWARP for before use?
How long is the cure time for EWARP?
What are the two portable eductors found in each repair locker?
- s-type (single jet)
What is used in conjuction with the portable eductors to create suction?
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
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
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
What is the P-100 Pump primarily used for?
- But can be used for dewatering
What is the P-100 pump fueled by?
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
How much PSI and gallons per minute do the P-100 pump provide?
- 83 PSI
- 100 Gal per minutes
What does ESP stand for?
Electrical submerisble pump
How is the ESP powered?
Who operates and inspects the ESP?
What is the maximum suction lift and gpm for the ESP? What is the minimum?
- 70 ft suction lift
- 140 GPM
What kind of strainer does the ESP use?
Star strainer to keep debri from clogging up the pump
Can you use the ESP in tandum?
- Yes (two at the same time)
- But power on lower ESP first
How would you lower the ESP into a space?
By using double braided tending line and not the power cord
Who must give permission to use the ESP in oily water?
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
What is main drainage?
- fixed eductors in machinery spaces
- Utiliezes EOSS to operate
How do you align eductors?
- Discharge, Firemain, Suction
How do you secure eductors from use?
- Suction, Firemain, Discharge
What is the best way to combat structural damage?
What are the three types of recommended shoring?
- Cross axial with no deck anchorage
What two types of shoring material do we use?
What are the two sizes for steel shoring?
When fully collapased, how much can steel shoring hold?
20,000 lbs of force
When fully extended, how much can the 3x5 steel shoring hold?
12,000 lbs of force
When fully extended, how much can the 6x11 steel shoring hold?
6,000 lbs of force
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
What is a disadvantage of steel type shoring?
Can produce sparks (not to be used in toxic atmosphere)
What are wood shores sizes stowed by?
16-18 ft 4x4 lumber
What are the three types of wood used for wood shoring?
- Douglas Fir
- Yellow Pine
The length of a wood shore can only be ____ times the minimum but thickness
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
What is K type shoring also known as?
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
What is a carpenter square is not available to cut wood for k type shoring?
Use shoring battens
What are shoring battens used for?
To make quick measurements for shoring angle cuts
What shoring type is the strongest?
What is I type shoring also known as?
What are the benefits of I type shoring
- Anchor to anchor points
- Quick and easy to set up
What is the weakest of all shoring types?
- Cross axial without deck anchorage
Where are anchor points required for cross axial shoring?
At the top, not at the bottom