Engine Op's Ch. 12 Water loss procedures Flashcards
Water loss due to kinks is the more common problem. Kinks constitute a water loss when they are severe enough to reduce the extinguishment capabilities of a hose line. When this occurs and is recognized by any member, an “Urgent” message shall be transmitted via the handie-talkie. It is essential that who is notified of the water loss situation?
IC Fire Above
2.1
The Incident Commander, units operating on the fire floor and the floors above be notified of a water loss situation.
Note: The engine officer shall ensure that the fire is confined by closing a door and/or all members are moved to a safe area of refuge if necessary.
What members are responsible for eliminating kinks from the hose stretch. Kinks that cause a loss of water will compromise safety.
2.4
All members operating at an incident, both engine and ladder, are responsible for eliminating kinks from the hose stretch. Kinks that cause a loss of water will compromise safety.
All members shall monitor handie-talkie communications. An indication that there are kinks is when the engine officer calls for additional pressure and the ECC responds that sufficient pressure is being supplied, but a reduction in flow is showing on the outlet flowmeter. Once it is determined the reduction in water flow is due to kinks, they must be located and quickly removed. When can we remove kinks hydraulically by increasing pressure on the pumper.
2.5
Do not correct kinks by increasing the pressure.
Who MUST the engine officer notify when the kink problem is corrected?
2.7
The engine officer must notify the Incident Commander and all units on the fire floor and floors above when the problem is corrected.
A burst length constitutes a water loss when it is severe enough to reduce the extinguishment capabilities of the hoseline. A burst length will severely affect an operation and will take a considerable amount of communication, coordination and time to correct. An indication of a burst length is when the engine officer reports there is little or no water and the ECC sees an ________ pressure reading and an ________ flow showing on the outlet flowmeter with the pumps RPMs increasing automatically.
Fill in the blanks
3.1 & 3.2
Adequate
increased
Once a water loss due to a burst length is confirmed by any member, an “_______” message shall be transmitted. It is essential that the Incident Commander, members operating on the fire floor and floors above be notified. The engine officer must take immediate action to correct this problem.
3.3
Urgent
All engine companies are required to store an extra length of ___” hose, with a controlling nozzle attached, on the apparatus in an easily accessible location. This hose or the 2½” hose folds on the apparatus for standpipe operations can be used to replace a burst length or added to a short stretch as necessary. The engine officer shall dispatch a member to obtain the appropriate replacement length.
Fill in the blank
3.4
1 3/4
To determine how to correct a burst length problem, first locate the burst length in the stretch. Once the location is verified and after the water has been shut down, there are two ways to correct a burst length:
• If enough hose is available, remove the burst length and reattach the existing couplings.
• Replace the burst length with a new length of hose, when there is not enough existing hose available in the stretch.
Note: The above shall only be accomplished upon the engine officer’s orders, after the fire has been what?
3.5
Confined by closing a door and/or members have moved to a safe area of refuge.
Once the burst length has been replaced, the engine officer is notified and in turn notifies the ECC to start water. The engine officer must notify who when the problem is corrected?
IC Fire Above
3.6
The Incident Commander and all units on the fire floor and floors above when the problem is corrected.
When the nozzle pressure is Insufficient (Officer calling for “More Pressure / Water”) and Pressure gauge is Reading normal or higher and the flowmeter Reading is reduced. We are dealing with what type of water loss issue?
Quick reference chart:
Kinks
When the nozzle pressure is Severely Inadequate (Officer reporting “Urgent! Loss of Water”) and Pressure gauge is Reading normal or higher and the flowmeter Reading is severely Reduced / no reading. We are dealing with what type of water loss issue?
Quick reference chart:
Multiple / Severe Kinks
When the nozzle pressure is Severely Inadequate (Officer reporting “Urgent! Loss of Water”) and Pressure gauge is Reading remains the same and engine speed increases automatically (Apparatus with Propressure governor 1997 to present)/Reading decreases (Apparatus with Ross relief valve Pre 1997) and flowmeter Reading increases high. We are dealing with what type of water loss issue?
Quick reference chart:
Burst Length
Water shut down is NOT required when adding hose to the front of the stretch. This procedure will vary depending if the hand line is 1¾” or 2½” hose. 1¾” HOSE LINE: A length of 1¾” hose with the nozzle attached is brought to the front of the line. The tip is removed from the original nozzle and an extra length(s) is added by connecting the female butt to the shut-off. In order to charge the new lead length(s), open the shut-off from the original nozzle, which is acting as an inline gate. This procedure will allow units to add lengths of hose without shutting down the water supply at the pumper.
Who will ensure that this shut-off does not accidentally get shut down.
4.3
Note: The engine officer will ensure that this shut-off does not accidentally get shut down.
For a fire in a non-fireproof multiple dwelling without a well hole, sufficient hose may be found by raising the already charged hose line over what?
4.4
The newel post onto the railing.
2½” HOSELINE: A length(s) of 2½” hose with a nozzle attached is brought to the front of the line. The tip is removed from the nozzle and a __ x __ increaser is
connected to the shut-off . The new length(s) of 2½” hose is added by connecting the female butt to the fitting on the shut-off. In order to charge the new lead length(s), open the shut-off from the original nozzle, which is acting as an in-line gate. The engine officer will ensure that this shut-off does not accidentally get shut down. There will be a slight reduction in water flow (GPM), due to the friction loss of the additional fitting and hose, which can be compensated for by increasing the pressure at the floor outlet and/or pumper. This procedure allows units to add lengths of hose without shutting down the water supply at the pumper or floor outlet.
Fill in the blanks
4.5
1½” x 2½”
