Rural Water Supply Flashcards
Define Dump Site?
Location for shuttle apparatus to dump water.
Define Fill Site?
Location where shuttle apparatus is filled for transport to incident scene.
Non hydrant areas are considered as such if the closest hydrant is how far away?
2,000 ft
An operation that generally uses 3 or fewer Engines to supply the attack engine directly through a water source is considered what?
A Relay Operation
What is the NOVA recommendation for a tanker?
Pump GPM and Water Tank size?
1,000 GPM Pump
2,000 Gallon Tank
Units in a Tanker Task Force?
3 Tankers
1 Engine
1 Battalion Chief
Who has PRIORITY at fill and dump sites?
Tankers
Personnel at dump and fill sites should wear appropriate PPE including _____ and ______?
traffic vest and helmet
Fill site engines with electric governors need to always draft in what mode?
RPM Mode
Personnel at fill site must wear PFD’s if within how many feet of an open water source?
10 ft
Tanker Flow Equation?
Capacity (of tanker in gallons) Minus 20 %
Divided by round trip time (in minutes)
Define Nursing Operation?
First arriving Engine and Tanker position on fire scene for attack, and a 2nd tanker will position at dump site, supplying water via a clappered siamese.
1st Engine Responsibilty (Nursing Operation)
Arrive and layout with a Siamese
1st Tanker (Nurse Tanker) Responsibility (Nursing Operation)
Position close to 1st Engine.
Connect LDH supply line to attack Engine and supply water.
Drop Siamese if 1st Engine didnt.
2nd Engine Responsibility (Nursing Operation)
Complete setup of Nursing Operation
Supply water into system if no tankers available
3rd Engine Responsibility (Nursing Operation)
Supply water if no tankers available.
Position out of way and staff dump site
4th Engine Responsibility (Nursing Operation)
Supply water if no tankers available
Position out of way and assume RIT
5th Engine Responsibility (Nursing Operation)
Establish Fill Site.
Establish at least two fill stations, positioned far enough apart to permit ease of vehicle movement.
1st Engine Responsibility (Direct Fill Operation)
What do you do if dump site is less than 200 ft away?
Drive directly to fire scene.
If dump site is less than 200 ft away, lay in or hand jack back to dump site.
1st Tanker Responsibilities (Direct Fill Operation)
If dump site is less than 200 ft away?
IF dump site is more than 200 ft away but less than 1000 ft?
Position out of route of travel at dump site, connect a line to 4 inch Siamese valve attached to 1st engines supply line and serve as direct fill tanker at dump site.
Proceed with 1st Engine to scene and supply water to Engine
2nd Engine Responsibilities (Direct Fill Operation)
Less than 200 ft away?
More than 200 ft but less than 1,000 ft?
No tanker on Scene?
Transfer water to 1st tanker if it’s on scene.
Layout from dump site to 1st Tanker and prepare to supply 1st tanker.
Supply water to 1st Engine through 4 in Siamese
2nd Tanker Responsibilities (Direct Fill)
Less than 200 ft away?
More than 200 ft?
Transfer water to the First Tanker
Position out of travel at dump site, connect a line to 4 in Siamese valve attached to the 2nd Engines supply line, prepare to serve as direct fill tanker at dump site.
3rd and 4th Engine Responsibilities (Direct Fill)
Transfer water to tanker @ dump site.
Become part of water shuttle.
5th Engine Responsibilities (Direct Fill)
Establish Fill Site, and establish at least 2 lines.
How many fill lines should be established at the Fill Site?
At least 2
Dry Hydrants should be what before being used?
Back flushed
Storage tanks should ___ be used as the sole water source.
NOT
What is the preferred method for continuous water supply at rural water operations?
Nursing/Direct Fill Method
Usable depth and max flow of Low-level strainer?
2 inches, 750 gpm
What is the benefit of having an automatic air primer?
Allows the primer to automatically begin whenever the discharge pressure drops below 20 psi.
What is the max distance between Engines in a relay operation?
1,000 feet
Non Hydranted Area Dispatch Assignment?
5 Engines 3 Tankers 2 Trucks 1 Rescue 1 EMS unit 2 Battalion Chiefs 1 EMS Sup 1 Safety Officer
What pressure should Tankers supply Siamese’s at?
70 psi
What GPM and pressure should Engines filll tankers at?
1,000 gpm
100 psi
How many Engines can be filled at one time at fill sites?
ONLY ONE
What classifies a rural fire?
Where fires are more than 2000 feet away from the hydrant.
What are the three types of rural fire fighting ops?
Nursing, Relay, Shuttle
What are the four goals of rural water supply ops?
Rapid, Efficient, Expandable, Uninterrupted
Who is assigned as the dump site leader?
OIC, of the third engine
What classifies a tanker in NOVA?
1000gpm pump, 2000 gallon tank minimum
Who is the water supply group supervisor?
Third due engine OIC
When are PFD’s required when working around water?
within 10ft
How do you calculate tanker flow?
Total capacity of the tanker - 20% divided by round trip time.
How often should dry hydrants be flushed/ tested?
Every six months
How often should water storage tanks be tested?
Every six months
What is the max flow for a low level strainer?
750gpm
Minimum flow for a jet siphon strainer?
500gpm
How much water can a jet siphon move?
800gpm
