Chapter 12: Water Supply

Question 1

Hydrants in Edmonton

Answer 1

Dry Barrel

• dead end
• circulating: feed looped line hydrant

always fully open and fully close

Question 2

4 Pressures with in the water system

SRFN

Answer 2

Static
Residual
Flow
Normal operating

Question 3

Hydrant Flow rate

Answer 3

Blue/Black/Silver: >5700 Lpm
Green: 3800-5700 Lpm
Yellow/Orange: 1900-3800 Lpm
Red: <1900 Lpm

Question 4

Hydrant Rings

Answer 4

White: FD use only
Blue: in use w/ permission
Orange: out of Service
Green: under construction do not use

Question 5

Alt. Water sources

Answer 5

Ponds, Rivers, Pools Cisterns, Portable Tanks

Question 6

Drafting

Answer 6

Process of rising water from a static source to supply a pumper

Question 7

Water shuttle

Answer 7

Hauling water from source to portable tank for drafting purposes

to be used when distance is greater than .8 Km

3 parts: fill site, Dump site, shuttle

Question 8

Relay Pumping

Answer 8

pumps used in series to move water a great distance

strongest pump to draft
smallest pump at hydrant

Question 9

On board water capacities of Units

Answer 9

Super tanker: 13500
Tanker:            4500
Quint:               1818
Pump:               1817
ATP:                   1442
Ladder:              1134
Mule Trailer:         250

Question 10

7 hoses used by EFRS

Answer 10

20mm(25mm in book( booster reel: 45m
38mm wild land: stayflow30m spec187 7.5m/15m
44mm high combat: 15m (7.5m on ladder)
65mm high combat: 15m (3m Pre connect in stop bag)
125mm hivol: 15m + 7.5M poney
150mm hard suction L.W.: 4m/5m
150mm hard suction H.W: 3m

Question 11

Hose on Pump

Answer 11

2 x 44mm jump line
3 x 44mm tran. red
4 x 44mm tran. orange
5 x 44mm tran. green
5 x 44mm tran. blue
5 x 65 trans 

5 x 65 quick attack monitor flat bed
16 x 125 hi-vol
1 x pony 125 hi-vol

Question 12

High vol on Trucks

Answer 12

Pump: 16
Tanker: 15
Ladder: 9
Quint: 4

Question 13

4 categories of Hose Damage

Answer 13

COTM
Chemical
Organic
Thermal
Mechanical

Question 14

Hose Testing

Answer 14

44 & 65: 2100kpa 3min
125 : 1400kpa 3min

stay 15’ from the left side as hose tends to roll to the right( looking down the hose to nozzle end)

Question 15

Fire hose couplings

Answer 15

65 & 44 threaded: longer lugz on male end, Swivle on female, higbee cut and indicator on both

stortz: sexless, line up couplings until flush trun clock wise and you will hear locking devise click

Question 16

loads and rolls

Answer 16

ERFS uses flat fold 125 and transverse 44/65
scorpion for the jump line

straight hose rool for 125 pony ond any 65/44 hoses rolled. allways protect the male end

Question 17

Forward and Reverse Lays

Answer 17

Forward: from hydrant to fire
Revers: from fire to hydrant

Question 18

11 steps of Small Gate

forward lay

Answer 18

11 steps of Small Gate

1) Safely dismount Apparatus wearing all PPE and carrying Radio
2) If Riding in new Smeal ensure coffin doors are Electrically open
3) Retrieve Hydrant Kit From drivers side rear compartment
4) Place Hydrant Kit in PRACTICAL location for Big Gate
5) Help Big Gate with Supply Line and wait for ready signal
6) Return to Apparatus and Relay Signal to Driver and Officer
7) AT THE SCENE safely dismount the unit and uncouple supply line at nearest joint
8) Attach supply line to the appropriate apparatus on scene (use pony if needed
9) If located at the intake connection open the intake drain valve
10) Communicate to driver that the line is ready
11) Report to Officer for reassignment

Question 19

10 Steps of big gate

forward lay

Answer 19

10 Steps of big gate

1) Safely dismount Apparatus wearing all PPE and carrying Radio
2) Remove Hydrant Gate from rear of apparatus
3) Wrap 125MM hose around the hydrant
4) Stand on hose and signal Small Gate when ready
5) when apparatus is stopped or safe to do so; remove streamer cap from hydrant
6) Inspect the Barrel of hydrant and connect Gate
7) Ensure drain Valve on hydrant gate is in open position
8) Radio or signal Driver/sector officer that you are ready to turn on the hydrant
9) Open Hydrant When ordered by Driver/Sector officer
10) Gather tools, Remove Kinks in hose and Report to your officer for reassignment

Question 20

Revers Lay

Answer 20

-Big & Small Gate Dismount
-Open Coffin Doors, disconnect hydrant gate
-Small gate secures hi-vol to under wheel of pump on scene
-Big Gate Returns to pump and informs him that small gate is ready
-Driver drives to water supply
-Big gate dismounts, removes hydrant kit, uncouples hi-vol at nearest join(use pony if needed) connect Gate to hi-vol supply line
- Big Gate connects Hydrant Gate to Hydrant
-Small Gate connects supply line to pump/ladder
Supply pump driver or big gate to communicate with on scene drive and charge the supply line

Question 21

44 & 65 mm Hose

Answer 21

44mm: 550Lpm, FL/15m=100kpa, nozzle pressue 550kpa
65mm: 950Lmp, FL/15m=50kpa, nozzle pressure 550kpa

nozzles for both have same pressure and flow rate

Question 22

Rule of thumb is 70 kpa fl per appliance this is known as unit loss

Answer 22

Siamese: 2650Lpm, FL90, NP 700kpa

percing nozzle: 475Lpm @ 500kpa

Question 23

Hydrant Kit

Answer 23

2 stortz wrenches
1 combination wrench
1 adjustable wrench
1 butterfly key with runner strap
1 rubber mallet
1 roll of banner gaurd

Question 24

Elevation Pressure

Answer 24

1m=10kpa

1 story =3.5m=35kpa