Developing Effective Water Supplies

Question 1

Developing Effective Water Supplies - Definitions:

Master Stream:

Answer 1

— 350gpm or higher

Question 2

Developing Effective Water Supplies - Definitions:

Relay. Pumping

Answer 2

— Process using 2 or more engines to move water over a long distance. Used to overcome friction loss.

Question 3

Developing Effective Water Supplies - Definitions:

Tandem Pumping

Answer 3

— A short relay used to develop high pump pressure.

Question 4

Developing Effective Water Supplies - Responsibilities:

Who is responsible for identifying incidents that require an extensive water supply?

Answer 4

— Incident Commander

Question 5

Developing Effective Water Supplies - Definitions:

What is the Captains responsibility?

Answer 5

— Ensuring water supply to the aerial is of sufficient volume

Question 6

Developing Effective Water Supplies - Responsibilities:

When the Lieutenant is ensuring the appropriate selection and use of hand lines is being followed, what 2 factors should be taken into consideration?

Answer 6

— Potential Fire Load
— Visible Conditions

Question 7

Developing Effective Water Supplies - Responsibilities:

Who reports directly to IC and assists with developing a sufficient water supply?

Answer 7

— Water Supply Officer

Question 8

Developing Effective Water Supplies - Guideline:

Water supply sources to evaluate include:

5 sources

Answer 8

— Hydrants
— Drafting
— Fire Boats (Lake Houston and Lake Conroe)
— Water shuttles/Tankers
— Tank Water

Question 9

Developing Effective Water Supplies - Guideline:

E/Os shall only charge ______ attack line when pumping from tank water. Additional attack lines may be deployed but _____ _____ _____ _____ unless an __________ _________ situation occurs.

Answer 9

— 1
— SHALL NOT BE CHARGED
— Imminent Rescue

Question 10

Developing Effective Water Supplies - Guideline:

The EO may charge one attack line for each ________ gallons of water carried in the apparatus tank, without a ___________ _________.

Answer 10

— 500 gallons
— Supply Line

Question 11

Developing Effective Water Supplies - Laying a Supply Line:

Catching the ________ allows the second arriving engine to be available to hook up to that hydrant and _________, if needed.

Answer 11

— Hydrant
— Pump

Question 12

Developing Effective Water Supplies - Laying a Supply Line:

Laying a ______ supply line allows the second arriving engine company to complete a ______ ______ to a hydrant, if needed.

Answer 12

— Dry
— Split Lay

Question 13

Developing Effective Water Supplies - Laying a Supply Line:

Pre-Connecting a hydrant valve is recommended, it not required, for operations which likely demand less than _________ gpm of water flow.

Answer 13

— 1000gpm

Question 14

Developing Effective Water Supplies - Laying a Supply Line:

If a supply line of ______ feet or more is laid from a hydrant and flows greater than _____ GPM are anticipated, the engine who laid the line shall notify IC for relay operations to be initiated. _____ lines should be considered for flows greater than _______ GPM.

Answer 14

— 700
— 500gpm
— Dual
— 1000

Question 15

Developing Effective Water Supplies - Laying a Supply Line:

When driving over dry lines, EO must be aware of hose getting caught in?

Answer 15

— Rear Wheels

Question 16

Developing Effective Water Supplies - Long Hose Lays:

A typical long hose layout evolution consists of regarding water supply? (3 items)

Answer 16

— Connecting to a hydrant or Turbo-draft site
— Laying up to 8,000’ of supply lines
— Supplying an Attack Pumper

Question 17

Developing Effective Water Supplies - Hook up and pump operations:

A minimum of _____ psi must remain as residual intake pressure.

Answer 17

— 20psi

Question 18

Developing Effective Water Supplies - Aerial Master Streams (Ladder or Tower)

The engine assigned to supply an aerial should secure a ________ __________ supply by laying 5” supply hose from a __________ to a location no more than __________ from the ________ of the __________.

Answer 18

— Positive Water
— Hydrant
— 100’
— Base
— Aerial

Question 19

Developing Effective Water Supplies - Aerial Master Streams (Ladder or Tower)

Ladder trucks have the capability to flow up to ________gpm.

Tower trucks have the capability to flow up to _________gpm.

Supplied by a ________ 5” supply line that requires _______psi at the base of the aerial.

Answer 19

— 1500
— 2000
— Single
— 200

Question 20

Developing Effective Water Supplies - Aerial Master Streams (Ladder or Tower)

Aerial apparatus can be used as an elevated standpipe/water supply by having an engine pump into the base and connecting hose, no larger than ______, to the aerial tip or the _______ discharge outlet.

Answer 20

— 3in
— 2.5in

Question 21

Developing Effective Water Supplies - Relay Pumping:

Who notifies all the engines in a really pump scenario of the maximum water flow requirement?

Answer 21

— Attack Engine

Question 22

Developing Effective Water Supplies - Relay Pumping:

Pump pressure is based on the friction loss in the supply hose for the GPM flowing, plus _______ psi residual pressure needed at the next engine.

Answer 22

— 50

Question 23

Developing Effective Water Supplies - Relay Pumping:

What will indicate the need for an additional supply line laid between each engine?

Answer 23

— Discharge pressure to achieve required GPM is greater than 200psi

Question 24

Developing Effective Water Supplies - Sprinkler/Standpipe Operations: Less than 3 stories

An engine will __________ lay a single 5” supply line from the ____ to a fire hydrant. The E/O will have to use adapters to connect the 5” to the 2.5” ________ FDC. Additionally it is advised to use a _________ elbow or a _____ section of 3” hose to prevent kinking and stress on the FDC coupling.

Answer 24

— Reverse
— FDC
— Female
— 2.5
— 50’

Question 25

Developing Effective Water Supplies - Sprinkler/Standpipe Operations: Less than 3 stories This set up can provide flows up to __________ GPM in the sprinkler/standpipe system.

Answer 25

— 1000gpm

Question 26

Developing Effective Water Supplies - Sprinkler/Standpipe Operations: Less than 30 stories An engine will ________ lay up to ______ft of _______in hose from the _______ to a safe location from _________ ___________ and _________. The location should be close enough to a ____________ to connect a _______ supply line.

Answer 26

— Reverse — 300 — 3 — FDC — Falling Glass — Debris — Hydrant — 5”

Question 27

Developing Effective Water Supplies - Sprinkler/Standpipe Operations: Less than 30 stories A second __________ may be used to lay an additional ______ line from the _________ to be connected to the first _________ so that it can pump ________ _______ to the FDC.

Answer 27

— Engine — 3 — FDC — Engine — Dual Lines

Question 28

Developing Effective Water Supplies - Sprinkler/Standpipe Operations - High Pressure Pump Operations: What HFD engines are High Pressure Pumpers?

Answer 28

— 2 — 8

Question 29

Developing Effective Water Supplies - Sprinkler/Standpipe Operations - High Pressure Pump Operations: High pressure engines have special _____ hose with _____ _______ couplings that have a service test pressure of _______psi.

Answer 29

— 3” — 3” — Red —650

Question 30

Developing Effective Water Supplies - Sprinkler/Standpipe Operations - High Pressure Pump Operations: The high pressure engine will ensure the discharge ______ _______ are secured to the building ______ and the pumper by tying the hose lines off to ________ ___________ if available.

Answer 30

— Hose Lines — FDC — Substantial Objects

Question 31

Developing Effective Water Supplies - Sprinkler/Standpipe Operations - High Pressure Pump Operations: A high pressure pumping operation can pump up to ________gpm into a sprinkler/standpipe system at a maximum of _______psi.

Answer 31

— 500 — 700

Question 32

Developing Effective Water Supplies - Sprinkler/Standpipe Operations - Tandem Pumping When it is necessary to pump water to _______ stories or above (over _______psi) and a high pressure pumper is not available, a____ engine, ______ pump operation must be established.

Answer 32

— 30 — 300 — 2nd — Tandem

Question 33

Developing Effective Water Supplies - Sprinkler/Standpipe Operations - Tandem Pumping The second engine will be the ________ engine and will lay a 5in _______ _____ from a fire hydrant and park net to or near the _______ engine. The supply engine will pump _______psi or more through ____ separate ___ hose lines (up to _____ft each) which will connected to the pressures engines 2 ____ side _______.

Answer 33

— Supply — Supply line — Pressure — 250 — 2 — 3in — 150’ — Right — Intakes

Question 34

Developing Effective Water Supplies - Sprinkler/Standpipe Operations - Tandem Pumping Both 3in lines to the FDC will connected to the discharge outlets on the ________ _________ pump panel of the pressure engine.

Answer 34

— Officer Side

Question 35

Developing Effective Water Supplies - Sprinkler/Standpipe Operations - Tandem Pumping The pressure engine will _____ both its _____ and ____________ relief outlets. The supply engine will ______ its ______ relief outlet if they have one.

Answer 35

— Cap — Intake — Discharge — Cap — Discharge

Question 36

Developing Effective Water Supplies - Sprinkler/Standpipe Operations - Tandem Pumping The pressure engine will the be able to supply up to ________psi into the sprinkler/standpipe system.

Answer 36

— 500+

Question 37

Developing Effective Water Supplies - Sprinkler/Standpipe Operations - Tandem Pumping A 2 engine tandem pump operation can pump up to _______gpm into a sprinkler/standpipe system, at a maximum of ______psi

Answer 37

— 750 — 550

Question 38

Developing Effective Water Supplies - Appendix: What is the rule of thumb for high rise? Calculation for floors

Answer 38

— 100psi + 6psi per floor to the fire floor

Question 39

Developing Effective Water Supplies - Appendix - Friction Loss Chart: List the coefficients for 1 3/4 hose at each GPM. Remember these numbers are produce from a 2in hose line coefficient of 8 95 125 150 175 200

Answer 39

— 95 = 8 (10) — 125 = 12 (15) — 150 = 18 (20) — 175 = 24 (25) — 200 = 31 (30)

Question 40

Developing Effective Water Supplies - Friction Loss Chart List the coefficients for 2.5 hose at each GPM 210 265 325

Answer 40

— 210 = 8 (10) — 265 = 14 (15) — 325 = 21 (20)

Question 41

Developing Effective Water Supplies - Friction Loss Chart List the coefficients for 3 hose at each GPM — 250 — 300 — 400 — 500 — 750 — 1000

Answer 41

— 250 = 5 (5) — 300 = 7 (10) — 400 = 13 (15) — 500 = 20 (20) — 750 = 45 (45) — 1000 = 80 (80)

Question 42

Developing Effective Water Supplies - Friction Loss Chart List the coefficients for 5” hose at each GPM — 500 — 750 — 1000 — 1250 — 1500 — 1750 — 2000

Answer 42

— 500 = 2(2) — 750 = 5(5) — 1000 = 8 (10) — 1250 = 13 (15) — 1500 = 18 (20) — 1750 = 25 (25) — 2000 = 32 (35)

Question 43

Developing Effective Water Supplies - Additional Information - Water Source Options: Name the Main size associated with the color code of the bonnet. Red = Yellow = White = Green = Orange = Orange bonnet and caps =

Answer 43

— Red = 4in Main — Yellow = 6in Main — White = 8in Main — Green = 12-20in Main — Orange = 24-60in Main — Orange bonnet and caps = 36-90in Main

Question 44

Developing Effective Water Supplies - Additional Information - Water Source Options: What are the 3 fire boats operated in the area? What’s their GPM rating

Answer 44

— lake Houston HFD FB - 65 = 250gpm pump — lake Conroe CFD FB - 6 = 500gpm — Lake Conroe Willis FB 94 = 1250gpm pump

Question 45

Developing Effective Water Supplies - Additional Information - Nozzle Types for Handlines: Fog Nozzle - Constant/Selecta Gallonage Type - 1 Fog Nozzle - Automatic Type - 2 Solid Stream Nozzle - 1 Aspirated/Pressure Dependent - 1

Answer 45

— Akron 1723 Mid-range turbo jet nozzle = 100psi — TFT Midmatic - 100psi — TFT Midmatic - 75psi — Smoothbores - 50psi — 1st strike Vindicator - 50psi

Question 46

Developing Effective Water Supplies - Additional Information - Nozzle Types for Handlines: TFT Blitzfire - Combination flow attack nozzle and monitor. 2 of them

Answer 46

— TFT Max-Series - Automatic fog nozzle - 55 &100psi settings. Approx 125 needed at nozzle plus FL of hose to get 500gpm — TFT Max-Series - Stacked Tip Nozzle (1”, 1 1/4, 1 1/2) - 55psi tip pressure. Approx 80 psi needed nozzle with 1 1/2 tip to achieve 500gpm plus hose FL

Question 47

Developing Effective Water Supplies - Additional Information - Foam Operations Engines are equipped with _____gpm portable ________ _______ and should use a __% setting for both Class B hydrocarbon fires and polar solvent fires.

Answer 47

— 95 — foam eductor — 3

Question 48

Developing Effective Water Supplies - Additional Information - Foam Operations _______ gallons of concentrate can be poured into the engines water tank for __% solution and be applied using the booster line. Tank and Pump must be _________ after.

Answer 48

— 2.5 — 1/2% — Flushed

Question 49

Developing Effective Water Supplies - Additional Information - Foam Operations A maximum length of _______’ of 1 3/4 hose can be used between the _______ and the nozzle. If additional distance is needed, up to _______’ of 2.5 can be added between the eductor and 1 3/4 to increase the total length to ______’

Answer 49

— 300 — Eductor — 300 — 600

Question 50

Developing Effective Water Supplies - Additional Information - Foam Operations Engines can easily extend the eductor away from the pump by using the _______ apartment lay, _______ 2.5 hose, or combining both to extend to ________’/. Using only 2.5 hose, the eductor can be moved away from the engine a maximum distance of _________.

Answer 50

— 300’ — 400’ — 700’ — 1650’

Question 51

Developing Effective Water Supplies - Additional Information - Foam Operations When moving eductor away from the engine, the following must be met. 2 items

Answer 51

— 200psi is maintained at the inlet of the eductor — Foam containers must be moved to the eductor location and a firefighter stationed at the eductor to operate it.

Question 52

Developing Effective Water Supplies - Additional Information - Relay Operations: To terminate the relay the attack engine is the ______ to shut down, followed by each _________ ___________, and concluding at the supply __________.

Answer 52

— First — Intermediate Engine — engine

Question 53

Developing Effective Water Supplies - Additional Information - Relay Operations: Most intake relief valves are set at _______ psi

Answer 53

—125

Question 54

Developing Effective Water Supplies - Additional Information - Alternative Aerial Operations: What is the max pressure pumped through a 5”.

Answer 54

— Pressure is not to exceed the service test pressure of 225psi

Question 55

Developing Effective Water Supplies - Additional Information - Alternative Aerial Operations- Supplying an Engine via Aerial outlet. ____ hose can be connected from the _____ discharge outlet to the engine intake. Depending on the ____ needed the ____ hose can be connected to a ____ hose with an adapter and then connected to the engine intake. Ladders that use a _____ to a gated wye with (__) 2.5 outlets can supply ______ _____ lines to an engine.

Answer 55

— 3” — 2.5” — GPM — 3” — 5” — 3.5” — 2 — 3" Dual

Question 56

Developing Effective Water Supplies - Additional Information - Alternative Aerial Operation: Older ladder trucks, without the additional ____ discharge outlet, have nozzles with a _______ threads that connect to the waterway. These ladder trucks can be used by replacing the nozzle with a ______ to _______ adapter and a gated wye with (__) _____ outlets. Ladder trucks can supply up to _______gpm and tower trucks can supply up to _______gpm from the ____ discharges. When flowing less than _____gpm, the friction loss is very _____- in the aerial piping.

Answer 56

— 2.5” — 3 1/2” — 3 1/2” to 2.5” — 2 — 2.5” — 1250 gpm — 1500 gpm — 1000 gpm — Low

Question 57

Developing Effective Water Supplies - Additional Information - Fire Hose Test Pressures: 1. 1 3/4, 2 1/2 and 3” hose is pressure tested at? 2. 3” High Pressure hose with 3in red couplings are pressure tested at? 3. 5” hose is pressure tested at?

Answer 57

— 400psi — 650psi — 225psi