Podcast
Questions and Answers
Often there is only one cellar stairway in commercial cellars. This is usually found at the ____ of the store. Occasionally it’s reached by a ____ door in the first floor and a ___ or a set of rollers may cover part of the stairs.
Often there is only one cellar stairway in commercial cellars. This is usually found at the ____ of the store. Occasionally it’s reached by a ____ door in the first floor and a ___ or a set of rollers may cover part of the stairs.
Rear, trap, slide
The ____ fire loading, ______ storage conditions, absence of quick ventilation and lack of a _____ system often result in a complete burnout once a fire starts in these cellars.
The ____ fire loading, ______ storage conditions, absence of quick ventilation and lack of a _____ system often result in a complete burnout once a fire starts in these cellars.
Heavy, mazelike, sprinkler
When preparing to enter a cellar make sure you have at least ____ the depth of the store plus ___ length when you stretch the hose, or else you may run short.
When preparing to enter a cellar make sure you have at least ____ the depth of the store plus ___ length when you stretch the hose, or else you may run short.
Twice, one
If it is possible to advance deep into the cellar fire, you must position a second __ line at the base of the stairs to protect the escape route of the first line. Also position a member with a ______ radio at the top of the stairs
If it is possible to advance deep into the cellar fire, you must position a second __ line at the base of the stairs to protect the escape route of the first line. Also position a member with a ______ radio at the top of the stairs
Signup and view all the answers
You should begin to cut large ventilation holes, ___ ft minimum as soon as a cellar fire is discovered.
You should begin to cut large ventilation holes, ___ ft minimum as soon as a cellar fire is discovered.
Signup and view all the answers
If you decide to use a fan to blow fresh air behind the attack team, a sufficiently ____ ventilation opening must be available _____ the fire before the fan is started.
If you decide to use a fan to blow fresh air behind the attack team, a sufficiently ____ ventilation opening must be available _____ the fire before the fan is started.
Signup and view all the answers
If you don’t darken down the fire in ___ minutes you had better plan a new strategy
If you don’t darken down the fire in ___ minutes you had better plan a new strategy
Signup and view all the answers
Prepare defensive operations at the same time you are deploying the cellar nozzles and distributors. After they have operated for ___ minutes shut it down and try to advance the hand lines
Prepare defensive operations at the same time you are deploying the cellar nozzles and distributors. After they have operated for ___ minutes shut it down and try to advance the hand lines
Signup and view all the answers
Position as many master streams as possible to flood the entire first floor. Attempt to drive the streams into the ____ arteries that the fire is likely to travel in: ____ chases and _____ rails.
Position as many master streams as possible to flood the entire first floor. Attempt to drive the streams into the ____ arteries that the fire is likely to travel in: ____ chases and _____ rails.
Signup and view all the answers
Be sure to position hand lines into ____ cellars to stop extension through the ___ between first floor joist.
Be sure to position hand lines into ____ cellars to stop extension through the ___ between first floor joist.
Signup and view all the answers
_____ floors, common in many older _____, are typical. Expect newer versions of this hazard in _____, where tons of concrete are often poured on top of wooden floor joist as a base for washing machines.
_____ floors, common in many older _____, are typical. Expect newer versions of this hazard in _____, where tons of concrete are often poured on top of wooden floor joist as a base for washing machines.
Signup and view all the answers
Concrete when allowed to harden forms a very dense material that is very strong against ______ loads. It has very ___ strength however, against either ____ loads or shear loads
Concrete when allowed to harden forms a very dense material that is very strong against ______ loads. It has very ___ strength however, against either ____ loads or shear loads
Signup and view all the answers
_____ is a type of decorative concrete in which polished _____ chips are the aggregate.
_____ is a type of decorative concrete in which polished _____ chips are the aggregate.
Signup and view all the answers
Concrete and masonry in applications like floors result in _____ loads in the slab, so a method is needed to resist such loads. In modern construction, steel rods, _____, or beams are stretched within the form and then wet concrete is poured around them
Concrete and masonry in applications like floors result in _____ loads in the slab, so a method is needed to resist such loads. In modern construction, steel rods, _____, or beams are stretched within the form and then wet concrete is poured around them
Signup and view all the answers
Older methods still encountered in _____ ordinary construction and wood frame (____) buildings use wood beams and ______ to support the tensile loads.
Older methods still encountered in _____ ordinary construction and wood frame (____) buildings use wood beams and ______ to support the tensile loads.
Signup and view all the answers
Concrete, terrazzo and tile floors each weigh about ___ lb per cu ft.
Concrete, terrazzo and tile floors each weigh about ___ lb per cu ft.
Signup and view all the answers
A 4 in thick slab resting on wooden joist adds nearly ___ lbs per sq ft to the load that the beams are carrying. A room 10 ft x __ft will have _____lb of dead load added to its supports before a single piece of furniture is added
A 4 in thick slab resting on wooden joist adds nearly ___ lbs per sq ft to the load that the beams are carrying. A room 10 ft x __ft will have _____lb of dead load added to its supports before a single piece of furniture is added
Signup and view all the answers
Some floor joist a are cut down from ___ to 2x4s to avoid a step up at the entrance to a room with masonry.
Some floor joist a are cut down from ___ to 2x4s to avoid a step up at the entrance to a room with masonry.
Signup and view all the answers
Common places to find these floors are in apartment buildings in ____ . In private dwellings tile is commonly found in bathrooms, as well as in _____ and entrance foyers( often called mud rooms) in stores the front ____ area often feature terrazzo or tile.
Common places to find these floors are in apartment buildings in ____ . In private dwellings tile is commonly found in bathrooms, as well as in _____ and entrance foyers( often called mud rooms) in stores the front ____ area often feature terrazzo or tile.
Signup and view all the answers
One particularly occupancy where large concentrations of __ in thick will always be found is in ______.
One particularly occupancy where large concentrations of __ in thick will always be found is in ______.
Signup and view all the answers
The single most important action to take is to identify those masonry floors that are supported by ____ joist or just as deadly, by unprotected ____ beams. The best time to discover this condition is while performing building _____ or during pre fire surveys.
The single most important action to take is to identify those masonry floors that are supported by ____ joist or just as deadly, by unprotected ____ beams. The best time to discover this condition is while performing building _____ or during pre fire surveys.
Signup and view all the answers
When smoke reduces visibility we must use are ____ and _____
When smoke reduces visibility we must use are ____ and _____
Signup and view all the answers
If the size up of the building indicates its fire resistant (I.e it is more than ___ft high) then it’s likely to be of reinforced concrete and therefore safe for ops
If the size up of the building indicates its fire resistant (I.e it is more than ___ft high) then it’s likely to be of reinforced concrete and therefore safe for ops
Signup and view all the answers
If there is heavy fire attacking wood or unprotected steel joist then employ _____ tactics
If there is heavy fire attacking wood or unprotected steel joist then employ _____ tactics
Signup and view all the answers
Keep personnel off the suspected surface until sufficient ____ and ____ permit better examination of the floor
Keep personnel off the suspected surface until sufficient ____ and ____ permit better examination of the floor
Signup and view all the answers
Be sure that any info about _____ hazards is sent up the ____ of command for further action, while less threatening conditions are noted in _____.
Be sure that any info about _____ hazards is sent up the ____ of command for further action, while less threatening conditions are noted in _____.
Signup and view all the answers
