13 - IFSTA Chapter 13 Flashcards
NFPA 1901 specifies that tenders must be filled at a rate of what?
1000gpm
Water tenders under this ammount can have 1 drive axel and over it 2 or more axels.
2000 gallons
What is the disadvantage of using LDH to fill tenders?
The hose stays partialy filled and are hard to move.
NFPA 1901 requires that water be able to be dumped from how many sides?
3 (left, right, rear)
In a gravity dump what is the minimum size dump opening?
8”
With this being inadequite, it can cause issues with filling and dumping.
Ventalation
What are the 4 parts of a water shuttle?
Dump site, fill site, route of travel, number of vehicles
Which of the following is not a consideration of the route of traval?
Multi-lane road
In a large scale water shuttle operation. Who is responsible for fill site and dump site issues?
Water supply group supervisor
This one action can help prevent pumps from overheating and let the driver know they still have a prime.
Booster line or small diamiter hose flowing
What is a marker to be used to help tender drivers know where to stop?
Traffic cone by driver’s side door
What is a concerrn to have with non hard surfce fill site areas?
The ground getting soft.
What is a concern of a static water supply?
Tank or pump contamination
What is NOT a dump site operational method?
Static water supply
When using a pump to off load a tender what is the biggest restriction to flow?
Tank to pump line
When you are drafting from a portable tank what can happen in the water that can cause issues?
Turbulance
What is the recommended of a portable tank when compared to the tender?
500 gallons bigger than the tender
Fire flow over this amount are best served with multiple tank operations.
300 GPM
What is the standard % of water a tender dumps?
90%
What is not part of the water shuttle flow rate equation?
Number of trips
What type of apparatus may be used to deliver water to an incident?
Any apparatus with an onboard water tank
The decision to use a relay pumping operation or a water shuttle operation is based on all of the following except what?
Size of LDH hose carried
Most water shuttles require at least how many pumpers for water supply?
2
In accordance with NFPA 1901, water tenders must be designed to be fillled at a rate of at least how many GPM?
1,000 GPM
In order to be considered a tender under NIMS typing what is required?
An onboard or portable fire pump
What variables that can be controlled play a vital part in the success of the water shuttle at the fill and dump site?
Effeciency
Attempting to “make up time” by driving faster then recommended during road travel is dangerous for all the following reasons except?
Inability to extinguish the fire
With LDH in wide use throughout the fire service how many lines are often used to as a fill line for water tenders?
1
All of the following are requirements of NFPA 1901 that water be capable of being dumped from all of the following locations except what?
LDH discharge
The success of a water shuttle operation relies on several decisions that must be made at the outset of an incident. The following are all decisions that affect it except what?
Amount of GPM required
What is a major cause of death and injury to firefighters each year involving mobile water supply apparatus?
Rollover accident
What type of fill sites is preferred?
Apparatus backing is not required
Fully loaded tenders should travel in what direction versus on the return trip empty tenders should make?
Downhill / uphill
All of the following are used to advise motorists of the presence of fire apparatus except what?
Emergency triangles
When a Water Supply Group is established, the person in charge is known as what?
Water Supply Group Supervisor
If possible water tenders should be filled at what rate?
1,000 GPM
When an exact fill spot has been determined what should be placed to denote the stopping point for the water tender driver/operator?
Traffic cone
Jurisdictions should attempt to standardize their water tenders for what?
1 hose size
Each fill site firefighter should be responsible for how many fill lines?
1
The following are primary methods for operating a dump site except for what?
Nurse relay operations
In order to fill at the maximum capacity, where is a pumper usually required to be?
At the hydrant
In accordance with NFPA 1901, water tenders must be designed to be filled at a rate of at least 1,000 gpm. Based on NFPA 1901, what must the rated capacity be for pumpers assigned to the fill site?
1,000 gpm or greater
What is generally considered the maximum capacity(in gallons) for single rear axle apparatus due to vehicle weight restrictions?
2,000 gallons
Pumper/tenders refer to apparatus equipped with a large water tank and pumps capable of flowing at what capacity?
750 gpm or greater
Which type of apparatus has the capability of self-filling from a static water source at a rate of up to 2,000 gpm with a lift of up to 22 feet and a discharge rate up to 1,750 gpm?
Vacuum tender
How many direct-tank external fill connections should apparatus be equipped with if medium diameter supply hose is used for filling?
2
Which type of route is the optimum arrangement for a water shuttle circuit? It allows a full tender the ability to leave the site by following one route toward the dump site independent of the empty tanker returning to the fill site?
Circular
Which NFPA standard defines the roles, responsibilities, and standard operating procedures (S.O.P.) used to manage emergency operations, may also be referred to as Incident Command System (ICS)?
1561
Which site provides a continuous supply of water to the apparatus attacking the fire?
Dump site
Any tank, regardless of type, should be set up on a surface that is as level as possible and have a capacity of at least how many gallons larger than the water tank on the apparatus supplying it?
500
When operating at incidents on a narrow lane, driveway, or dead end street, which location may be more advantageous for setting up the dump site so that a dump site pumper can then relay water to the attack pumper?
Nearest intersection
What must a self-supporting, or frameless water tank, be set up on in order to hold its maximum water capacity?
A level surface
What do water tenders without pumps have that can still be useful in water shuttle operations?
A dump valve
With the exception of operations that feature a vacuum tender or the use of a hydrant, most water shuttles require at least how many pumpers for water supply?
2
What is one advantage and one disadvantage when comparing relay operations to shuttle operations?
Pro
Relay pumping usually provides more reliable supply of continuous water with the use of fewer apparatus.
Con
But it is more labor intensive to take up when an incident is terminated.
Which water tender dump valve design often does not meet the flow requirements of NFPA 1901?
Front
Who is responsible for the water shuttle operation?
Water supply group supervisor
What is the most favorable aspect of a water shuttle operation?
The ease with which it is terminated.
When positioning to draft at a static water supply, which position should be sought in order to maximize the flow available to supply the tender?
Whichever requires a minimum of lift
Depending on the distance from the fire scene and the particulars of the operation, which unit may also have to operate as the attack pumper?
Dump site pumper
Depending on the distance from the fire scene, the dump site pumper may also operate as the?
attack pumper
Fill site pumpers operating from static water sources and dump site pumpers must carry what to conduct drafting operations?
hard intake hose
Each department must choose the appropriate capacity if their tender based on?
local water supply availability and road conditions
Vehicle weight restrictions require that a water tender with tandem rear axles or larger will have what capacity?
2,000 gallons or greater
The valve mechanism for a gravity dump valve may be designed for manual operations from?
the discharge location (side or rear of the apparatus)
The in-line discharge on jet assisted dumps is supplied by the fire pump on the water tender creates what, that increases the water flow through the large tank discharge?
venturi effect
Which of the following would be the best way to avoid having to back up or turn water tenders around?
a clear intersection
Faster water shuttle operations are achieved by?
efficient filling and dumping operations
When operating a water shuttle at incidents located on a narrow lane or driveway, it may be most advantageous to locate the dump site near?
at the nearest intersection
A water shuttle circuit in which full tenders leaving the fill site follow one route toward the dump site and empty enders leaving the dump site follow a different route to the fille site is called?
a circular route
Where are water shuttle operations MOST likely to create hazards where overflow or spilling of water from apparatus might freeze?
Near fill or dump sites
Which of the following BEST describes the safety issues water shuttles face from steep grades?
it creates increased wear on apparatus
When establishing a water shuttle operation using incident command structure what is recommended to adhere to?
National Incident Management System
In order to maximize the flow available while supplying a tender during drafting operations, the driver/operator should seek a position that?
requires a minimum lift
In cases where the static water supply is inaccessible to apparatus, which of the following may be employed to relay water to the fill site pumper?
high volume portable pumps
Water tenders pumping water from their tanks directly into the pump intake of an attack pumper is?
direct pumping operation
A dump site that involves positioning a large water tender immediately adjacent to the attack pumper and thus serving the same role as a portable tank is?
nurse tender operations
When drafting from a portable water tank, the pumper should use a low-level strainer to allow for continuous drafting at a point of about?
2 inches
Incidents that require a flow rate in excess of 300 GPM are best served by?
using multiple portable tanks
The goal of multiple portable tank operations is to keep which tank full at all times?
the one from which the attack pumper is drafting from
When hydrants and regular relay operations are not feasible, what other option should the IC consider for water supply?
Water shuttle operations
What is the name of the location tha tankers/tenders will be loaded during a water shuttle operation?
fill site
Which of the following is the approved location for water shuttle apparatus to discharge their water for other apparatus to draw during incident operations?
dump site
What are the three major components of a water shuttle operation?
Fill site, shuttle route, dump site
What are the two primary types of apparatus associated with water shuttle operations?
water tenders and pumpers
Which apparatus is located at the water source and has the responsibility of filling water tenders?
fill site pumper
Why are remote controlled vents preferable to manually operated vents on tenders?
Manually operated vents may require the driver/operator to climb on top of the tank
Vehicle weight restrictions generally limit single rear axle apparatus to a maximum capacity of how many gallons?
2,000 gallons or less
If a water tender is not equipped with a pump, they must be equipped with what?
Suitable dumping system
Which of the following apparatus do not need a separate pumper at the fill site?
vacuum tender
Which apparatus is capable of filling from a static water source at the rate of up to 2,000 GPM at a lift of 22 feet?
vacuum tender
To be considered a tender under NIMS typing, what must an apparatus have?
On board or portable pump
How can you make water shuttle operations faster?
Efficient filling and dumping operations
NFPA 1901 requires water be capable of being dumped from which sides of the apparatus?
left, right, and rear
Which dump site method involves positioning a large water tender immediately adjacent to the attack pumper?
Nurse tender operation
Of the dump site operation methods, which is generally considered to be the simplest and quickest method to ensure a constant water supply?
Portable water tank operation
What percentage of their load do tenders dump before leaving the dump site?
90%
Any tank, regardless of type, should be set up on a surface as level as possible and have a capacity of how many gallons larger that the water tank on the apparatus that will supply it?
500 gallons
Single portable tank operations are generally adequate for firefighting operations that require less than what flow rate?
300 GPM
What are the two time elements used in the formula from the ISO to evaluate water tender performance?
Travel time and handling time
What water tender can self-fill from a static water source at a rate up to 2000 gpm?
vacuum tender
What are required on water tenders with a capacity greater than 2000 gallons?
Tandem rear axles, tri axles or semi trailers
What are 2 primary types of large tank discharges used on water tenders?
gravity and jet-assisted dumps
What do in-line discharge supplied by a fire pump create to increase water flow?
Venturi effect
Which NFPA should wter tenders meet for dump requirements?
1901
when is the best time for setup and decisions about water supply on target hazards and geographical areas?
preincident planning
what is the optimum arrangement for water shuttle?
a circular route
what should the route of travel for water tender be selected on?
safety and operational effectiveness
What is the ideal position of a fill site pumper?
Allow view of both water source and wter tender being filled
which of the following should be considered a factor of overall tender performance?
tank size
Why does ISO equation use 90% of a tenders total tank capacity?
to account for water lost or undischarged and remaining in the tank
what is the formula for travel time of a tender (miles)?
travel time = .65+(1.7)(distance)
what should any portable tank be setup on?
level as possible ground
What must have an opening of sufficient sixe to allow free movement of water at bottom of the tank and air movement at the top?
tank baffles
How can water tenders be designed so they do not need to be equipped with a fire pump when using portable tanks for dump site supply?
an adequately sixed dump valve
What operation allow multiple water tenders to simultaneously resupply an attack pumper?
direct pumping operation
What supply operation uses a large water tender as same role as a large portable tank?
nursing operation
when water supply ends all driver/operators should do?
fill their tanks
how many external fill connections piped directly to the tank when using medium diameter hose for filling apparatus?
2
how should personnel close valves once water tank is full?
close slowly
