High-Rise Manual Flashcards
Where should a copy of each preplan for a high-rise building be placed by each fire station if at all possible?
Control room of each building
A high-rise building is defined as?
A building with either 6 or more stories or a building where the highest occupied story/floor is greater than 75ft. from the lowest level of fire department vehicle access.
The time needed to assess the situation upon the arrival of the first units, gather information from the annunciator panel or fire control room/building personnel, identify and confirm the fire floor, locate the fire on that floor and proceed to operate is known as?
Reflex time
Modern high-rise buildings are of two basic designs. They are?
Commercial & Residential
Residential high-rise buildings are characterized by?
Center hallways, numerous interior compartments and 24-hour occupancy.
Commercial high-rise buildings are characterized by?
Center-core construction, circuit corridors around the core of the building and have large open expanses. Occupancy loads are usually higher during business hours. Elevators, stairwells and mechanical rooms are located in the middle core of the building
In the NOVA region when were high-rise building codes enacted?
1976
High-rises built after 1976 are required to have a _____ standpipe system with outlets of ____ in. diameter and _____ in. reducers.
Class III, 2 1/2, 1 1/2
With a few rare exceptions high-rise buildings must have at least how many approved exits from each floor and what other protection features?
Two. Enclosed stair wells and some type of smoke control system.
Gypsum and masonry walls typically used to enclose stairways, elevator and other shafts typically carry a fire resistance rating of ___ hour at a minimum.
2
Roof access points should be indicated in the first due company’s _____?
preplan
In most cases, elevator control rooms are located?
Top of the elevator shaft
Window panes that can be broken on commercial high-rise buildings are usually marked with what?
Maltese cross or fire helmet in the bottom corner
At a minimum any stairwell door a hose line passes through should be controlled by?
Firefighter or door chocked open
The majority of standpipe systems found in high-rise buildings are of what type?
Wet System
If a building has a wall mounted standpipe inlet and a yard stanchion they both will supply the building.
True
Elevators in high-rise buildings are typically of what type?
Electric Traction
Anytime hand lines will be pulled from the engine and not hooked into the standpipe on a high-rise fire what must happen?
Must be communicated to command
Based on fire load, what hand line selection is usually capable of handling expected fire loads in a residential high-rise structure such as hotels.
1 ¾ in. standpipe packs
What is the required fire flow for a residential type high-rise?
10gpm per 100 sqft. of involved area
With significant fire that is advancing or in upper floor fires ____ in. lines should be strongly considered
2 ½
Fire flow requirements in a commercial style high-rise is?
20 gpm per 100 sqft. of involved area and engine companies should be paired using 2 ½ in. lines used for attack.
The minimum initial alarm assignment for a high-rise fire consists of?
5 Engines 2 Trucks 1 Rescue Squad(s) 1 EMS unit(s) 2 Battalion Chiefs 1 Command Aide(s) 1 EMS Supervisor(s)
High-Rise - 1st Due Engine Assignment
Park out of the way of incoming apparatus. Abandon the rig. Determine fire floor. Proceed to lobby and continue size-up. Report to fire floor with 1st due truck or rescue squad.
High-Rise - 2nd Due Engine Assignment
Water Supply (supply all possible FDC outlets when possible. Remaining crew proceed to the fire floor to assist putting first line in service. Prepare/deploy second line if needed.
High-Rise - 3rd Due Engine Assignment
Secondary water supply. If no FDC proceed with crew and abandon rig. View the opposite side of the building then 1st due engine and proceed to the floor above the fire with 2nd due truck. Check for extension and occupants.
High-Rise - 4th Due Engine Assignment
Park away from building. Entire crew proceeds to the attack stairwell on the floor below the fire and establish RIT.
High-Rise - 5th Due Engine Assignment
Report directly to the command post. Meet with IC and assume lobby control. The engine driver’s responsibilities during lobby control are to gain control of the elevator services.
High-Rise - 1st Due Truck Assignment
Park on side A or most accessible side to fire. Raise aerial ladder to maximize its scrub area. If the aerial is not needed proceed with crew to the lobby to meet up with 1st due engine. Report to fire floor and force entry/primary search/aide in hose line deployment.
High-Rise - 2nd Due Truck Assignment
View all sides of structure. Consider use of aerial. Report to control room and gather knox box keys. Designate evacuation stairwell and keep clear of smoke.
High-Rise - Rescue Squad Assignment
Park away from the building and proceed to the fire floor with the 1st due engine.
Every additional alarm on a High-Rise Fire added to the first will bring?
3 engines, 1 truck and one battalion chief
Who establishes Base?
First due engine on the second alarm
Define an isolated stair
Stairwell with individual entrances and access to only one section of the building
What does the presence of a gate denote in a stairwell?
Last floor with an exterior entrance/exit
Define accommodation stairwell
A stairwell that goes between two units shared by the occupants. Usually unprotected.
A hydrant should be located with in how many feet of a standpipe or sprinkler system?
100ft.
How can a PRV be defeated?
By breaking the L-shaped arm that restricts the wheel
Define a blind shaft
An elevator shaft that services only particular floors of a building and has no openings on any other floors (ex. service elevator)
How many sets of keys should be in the fire control room?
15
Define mushrooming
When smoke rises upward from the fire floor until it reaches roof level. The smoke then banks off the roof and migrates back downward towards the fire floor.
Define stack effect
Natural movement of air within a tightly sealed building
