Engine Company Operations
What are the four parts of the fire tetrahedron?
Oxygen
Fuel
Heat
Chain Reaction
When do you charge the sprinkler systems?
Smoke or fire showing, upon confirmation of a working fire. Standpipes on the other hand, should be charged immediately without orders
Fire and EMS should avoid crossing lanes of traffic on foot unless.........................?
Unless the roadway is completely shut down
Where is your water supply for Doyle Rd?
The King's Chapel Church
12925 Braddock Rd
How many attempts will ECC dispatcher make to contact an unit if EA is activated without command established?
Two attempts
What is the best means of communicating between the engine drivers?
Face to face to reduce radio traffic on the tactical channel.
How do you determine the maximum discharge pressure to allow for maximum flow from a pressurized water source?
Static hydrant pressure + Max discharge pressure for max flow
One minute of stopped traffic creates an additional ____ minutes of travel delay
4 minutes
What is your run route from FS417 to Doyle Rd
R - Old Centreville Rd
L - Braddock Rd
R - Union Mill Rd
L - Braddock Rd
R - Doyle Rd
What is dispatched for a signal one?
The closest suppression piece
EMS transport unit
Battalion Chief
Safety officer if available
This formation indicates that maintained by the backup firefighter is also a way of communicating with the nozzleman.
The "S" Formation
When drafting, what rpm should you throttle to obtain a draft through the primer?
1000-1200rpm or recommended by manufacture.
This is the best combination of lights to provide maximum night visbility is? (6 things)
Red warning lights off
Headlights off
Fog lights off
Pump panel lights on
Rear and front spotlights directed on traffic cones
Traffic directional board operating
What are the name of the 4 elementary schools in the first due?
Colin L Powell (Leland Rd)
Centreville (Green Trails Blvd)
Centre Ridge (New Braddock Rd)
Union Mill (Springstone Dr)
What condition is when the department's resource is greater than 50% on incidents or OOS?
Condition 3
Of the Victim Survivability Profiling, CO is the primary cause of death. How much ppm approximately can a human body last 4-12secs before death occurs?
200,000ppm
In Fairfax County, what are the relief valves set to for the intakes on the engines?
125psi
Studies have shown that a distance of _____ car length, oncoming headlights completely blind the opposing drivers?
2.5 car lengths
These two neighborhood streets connect Walney Rd and Stringfellow Rd
From Walney Rd
R - Cabells Mill Dr
R - Northborne Dr
What are the 4 "C"s of communication?
Connect - Talk to intended receiver
Convey - Connected with receiver
Clarify - Repeat
Confirm - confirmation from ECC
For automatic combination master stream nozzles, NFPA 1964 allows a pressure variance of +/- how many psi?
15psi
What is the maximum flow expected from an engine at a draft using the front, side, and rear intake?
Front - 900gpm
Rear 1500-1750gpm
Side 1750gpm
What does the acronym LCES stand for?
Lookouts
Communications
Escape Routes
Safety Zones
How many schools are in the first due?
4 Elementary (Colin Powell, Centre Ridge, Union Mill, Centreville)
1 Middle (Liberty)
2 High School (Centreville, Mountain View)
What are the procedures to add onto a significant incident?
OIC will contact dispatched command officer via response channel, intent to respond, current location, and arrival order