24 - Rural Water Ops Flashcards
When placed in automatic mode, the automatic air primer will autimaticaly begin priming when discharge pressure drops below how many PSI?
20 PSI
A jet siphon can move up to how many GPM between tanks?
800 GPM
A low-level suction strainer allows the DPO to make best use of avaiable water in the dump tank down to how many inches?
2”
How often should dry hydrants be back flushed and tested?
Every 6 months
All engines need what to draft from a dry hydrant?
A 4.5” to 6” double female bell adapter and a 6” double female
How often should storage tanks be checked for proper operations?
Every 6 months
Rule of thumb states that if the distance from the incident to the water source is greater than how many pumpers, it should become a shuttle operation?
3-pumper relay
When drafting from a dry hydrant, what is the maximum distance that the connection can be from the water line?
20’
What is the preferred distance that a dry hydrant connection is from the water line?
10’ or less
A non-hydrant area is defined as a structure that is greater than how many feet from the closest hydrant?
2,000’
In a direct fill operation, if the dump site is less than 200’ from the incident the first tanker should do what?
position out of the route of travel, connect a line to the siamese, and serve as the direct fill tanker.
In a direct fill operation, if the dump site is more than 200’ but less than 1,000’ from the incident then the first tanker should do what?
proceed with the first engine to the incident scene and supply the first engine.
In a direct fill operation, if the dump site is more than 1,000’ from the incident the first tanker should do what to complete the water supply?
refer to the preplan and lay out a supply line from predetermined location.+B22
If the dump site is less than 200’ away from the incident, in a direct fill operation, what should the first in engine DPO do to help complete water supply?
Lay in or hand jack hose back to the dump site
The general rule of thumb says that the minimum flow for a Jet Siphon Strainer is what?
500 GPM
What is the maximum flow for a low-level strainer?
750 GPM
What is the proper PPE to be worn at a dump site?
Traffic vests and firefighting helmets
At a fill site, there should be a minimum of how many fill stations set up?
Two
In a nursing operation using direct fill, the second engine DPO should do what if there is NO tanker on scene when they arrive and the incident is less than 200’ from the dump site?
Supply water to the first engine through a 4” siamese
Due to their typical size, what should not be used as the sole water source?
Storage Tanks
The movement of water at fires will almost always consist of three types of operation except:
Fill site ops
Which is one of the goals of rural water supply ops?
Uninterrupted
What is a tanker task force ?
3 tankers,1 engine,1 command officer
The WSGS is normally established by:
Third engine
At a minimum, how many stations each fill site should support?
2
At what rate & psi should the fill site engine fill tankers at?
Minimum of 1000gpm, 100 psi
What distance is considered for a driveway to be long driveway?
200-1000 feet
During a long driveway operation, What does the second tanker do?
Connects to siamese
What position does the third engine officer take after 2nd chief officer assumes wsgs?
Dump site unit leader
What is the rule of thumb if the distance to the water source is greater than:
3 pumper relay a tanker shuttle is better
The tool that uses the venturi principle to evacuate air from suction hoses and the pump by using the air supply from the apparatus onboard air tanks is called?
Automatic air primer
What does a turbo draft do?
Allows access water supply that would normally be out of reach when using a hard suctionhose
What tool uses the venturi effect to move up to 800 gpm between tanks?
Jet siphon
What is a floating dock strainer?
Device that picks up water from the surface of the source
What can be set up to augment the water supply in a tanker shuttle ops?
Dump tanks
What is the preferred method for continuos water supply operation?
Tanker nursing attack engine
Which device allows for drafting from dump tank down to a water level of approximately 2 inches?
Low level suction strainer
Which device can be used to get water from the dump tanks without having to draft ?
Low profile jet siphon strainer
The water supply officer bag includes all these except:
Command board
During a shuttle operation, the second engine will do this tasks except:
Drop siamese
Who will be tasked as the Dump Site Unit Leader?
OIC of third Engine
Who will be tasked as the Fill Site Unit Leader?
OIC of fifth engine
Who is responsible for the job of Water Supply Group Supervisor until relieved?
OIC from third engine
Who has priority at fill sites?
Tankers
Fill site engines with electronic governor controls always need to draft in what mode?
RPM mode
Fill site personnel operating near an open water source shall wear a PFD within what distance of the water?
10 feet
What is the formula for Tanker Flow Calculations?
Tanker flow = (Capacity -20%)/ Round trip time
A Tanker Task Force shall consist of how many Tankers?
3
During a direct fill operation, if the dump site is less than 200 feet from the incident, what unit shall lay out?
Engine
How many fill stations shall the fifth engine setup at the fill site?
2
During a direct fill operation, when the incident is more than 200 feet, but less than 1000 feet from the dump site, where shall the first Tanker go?
Proceed up the driveway with the first engine
If the second in engine arrives on scene with no tanker, what shall they do?
Supply engine through siamese
What is the typical size of a 1500 gallon dump tank?
10’ 3” by 10’ 3” by 30”
What is the typical size of a 2100 gallon dump tank?
11’ 3” by 11’ 3” by 30”
A low level strainer is able to supply water from a dump tank down to approximately what depth?
2 inches
What is the maximum flow for a low level strainer?
750 gpm
What is the minimum flow for a jet siphon strainer?
500 gpm
During a relay, what is the maximum distance between engines?
1000 feet
What pressure should all incoming tankers supply the clappered siamese at?
70 psi
At the fill site, tankers should be filled at a minimum what gpm?
1000 gpm
All of the follow are methods of moving water during a rural water incident except:
static operations
Who is the DSUL until the arrival of an additional command officer arrives on scene?
3rd due engine OIC
What is the definition of a non-hydrant area?
Hydrants located in excess of 2,000 feet from a structure
During nursing operations, the first arriving engine and tanker will proceed to the fire location while a tanker is located at the dump site supplying attack apparatus through:
a clappered Siamese valve
Relay operations generally require:
three or fewer engines
What is the maximum length of a supply line in a relay operation?
3000 ft
What is the minimum pump capacity of a tanker?
1000 GPM
What is the minimum water tank size on a tanker?
2000 gallons
Fill site engines shall have the govern controls set in what mode to reduce the probability of damage to the pumps?
RPM mode
Personal flotation devices are required when working within how many feet of an open water source?
10 feet
Relay operations from a static water source using 4 inch hose are feasible at distances over:
1 mile
In order to connect to a dry hydrant and complete a draft, all units shall need what kind of adapter?
41/2 inch to 6 inch double female National Pipe Taper and 6 inch double female
Water storage tanks should be checked:
6 months
How many gallons does a 13’3 by 13’3 by 30” dump tank contain?
3000 gallons
Which appliance used in rural water operations allows engines the ability to get water from the dump tanks without having to draft?
low-profile jet siphoned strainer
Automatic air primers begin priming when pressure in the system drops below:
20 PSI
All incoming tankers should supply the clappered Siamese from the engine at:
70 psi
What is the minimum rate at which fill site engines should fill tankers?
1000 GPM at 100 PSI
What is the maximum amount of vertical lift that can be found in a dry hydrant system?
20 feet
What is the minimum depth in which a water storage tank should be buried?
3 feet
Who is designated to be the fill site unit leader?
OIC of the fifth due engine
A “non-hydrant” area is defined as an area with how many feet between a structure and a hydrant?
2,000 feet or greater
Relay operations should not exceed what distance between the incident and the water source?
3,000 feet
A tanker task force consists of what minimum response?
Three tankers, one engine, one command officer
The length of a driveway in a rural water supply scenario that changes from a “short driveway” to a “long driveway” scenario is what distance?
200 feet
Who is designated to be the dump site unit leader?
OIC of the 3rd due engine
What is the calculation for determining tanker flow?
TF = (Capacity - 20%) divided by Round trip time in minutes
Upon arrival at the incident scene, what is the responsibility of the driver of the third due engine in a rural water supply scenario?
Transfers water to the dumpsite, then becomes part of the shuttle
How often should dry hydrants be tested and back-flushed?
Every six months
What is the maximum flow for a low-level strainer?
750 GPM
What is generally the minimum flow for a jet siphon strainer?
500 GPM
An automatic air primer will automatically being priming whenever the discharge pressure drops below what PSI?
20 PSI
What is the maximum distance between engines in a relay operation?
1000 feet
What is the minimum fire flow through 4 inch supply line in a relay operation?
500 GPM
The minimum flow/pressure to supply the first due tanker at the dump site?
70 PSI
At least how many fill stations should be set up at the fill site?
Two
At what rate should tankers be filled at at the fill site?
1000 GPM at 100 PSI
What is the maximum lift from a dry hydrant?
20 feet
If utilizing a storage tank, what must also be considered at the end of an incident?
The storage tank must be refilled
A typical dump pit can fit how many gallons of water?
Between 1500 to 3000 gallons
What are the 4 goals of rural water supply operation?
Rapid, efficient, expandable and uninterupted
What are the 3 types of rural water supply operation?
Nurse, relay, shuttle
How far from a structure must a hydrant be to be considered “non-hydrant”?
2000 feet
Who is the dump site unit leader?
OIC from 3rd engine
Who is the fill site unit leader?
OIC from 5th engine
No more than how many engines may be used in a relay operation?
3
What comprises a tanker task force?
3 tankers, 1 engine, 1 command officer
Who initially assumes the role of water supply group supervisor?
OIC from 3rd engine
What is the tanker flow calculation?
(Capacity-20%)/round trip time
With proper preplanning, relay operations with 4-inch hose is feasible at what distance?
Over one mile
How often should dry hydrants by back flushed and tested?
Every 6 months
What is needed in order to draft from a dry hydrant?
4 1/2-6 inch double female bell adapter and 6 inch double female
