Chapter 6 (Installation of Portable Fire Extinguishers) Flashcards
Can a fire extinguisher be installed where a visual obstruction blocks its view?
Yes but only where the visual obstruction cannot be avoided and you must have signs or other means to indicate the extinguisher’s location.
what are the four acceptable means of installing a fire extinguisher other than a wheeled fire extinguisher?
(1) securely on a hanger intended for the extinguisher
(2) in a bracket incorporating releasing straps or bands supplied by the extinguisher manufacturer.
(3) in a listed bracket incorporating releasing straps or bands approved for such purpose.
(4) in approved cabinets or wall recesses
Are you allowed to fabricate hangers or brackets in the field?
No Hangers and brackets shall not be fabricated in the field.
Fire extinguishers installed in vehicles or under other conditions where they are subject to dislodgement shall____
Be installed in approved strap-type brackets specifically designed for this application.
Fire extinguishers having a gross weight NOT exceeding 40 LB shall be installed so that the top of the fire extinguisher is not more than?
5 FT above the floor
Fire extinguishers have a gross weight GREATER than 40 LB shall be installed so that the top of the fire extinguisher is not more than?
3 1/2 FT above the floor
In no case shall the clearance between the bottom of the hand portable fire extinguisher and the floor be less than?
4 in.
Fire extinguishers shall be installed so that the fire extinguisher’s Operating instructions____
Face outward
Hazardous materials identification systems (HMIS) labels, 6-year maintenance labels, hydrostatic test labels or other labels shall_______
Not be located or placed on the front of the extinguisher
Cabinets housing fire extinguishers shall not be locked, except?
Where fire extinguishers are subject to malicious use and cabinets include a means of emergency access
where fire extinguishers are installed in closed cabinets that are exposed to elevated temperatures, the cabinets shall ____
Be provided with screened openings and drains
Do the mounting height standards still apply to extinguishers stored in cabinets and wall recesses?
Yes, Extinguishers 40 lbs or less shall not be installed 5 FT above the floor from the top of the extinguisher, extinguishers greater than 40 lbs shall not be installed 3 1/2 FT above the floor from the top of the extinguisher, and in no case shall the clearance between the bottom of the extinguisher and the floor be less than 4 in.
For fire-resistance-rated walls, only _____may be installed.
surface mounted cabinets or listed fire-rated cabinets shall be installed.
Fire extinguishers containing only plain water shall be protected to temperatures as low as ______ by addition of an _____
(1) -40 degrees Fahrenheit
(2) antifreeze that is stipulated on the fire extinguisher name plate
_____ solutions shall not be used in stainless steel fire extinguishers.
calcium chloride
How do you determine the minimum number of Class A fire extinguishers needed for each floor of a building?
you divide the total floor area by the maximum area to be protected per extinguisher.
Fire extinguishers shall be located so that the maximum travel distances shall not exceed _____ except as modified by 6.2.1.4
75 ft
are two 1-A rated fire extinguishers permitted to meet the requirement of one 2-A rated fire extinguisher?
Yes
Two 2 1/2 gal water-type extinguishers shall be permitted to be used to fulfill the requirements of what?
One 4-A rated extinguisher
Up to one-half of the complement of fire extinguishers specified in table 6.2.1.1 shall be permitted to be replaced by what?
Uniformly spaced 1 1/2 in hose stations for use by the occupants of the building
what is the minimum rated single extinguisher for a class A hazard in light and ordinary hazard occupancy?
2-A
what is the minimum rate single extinguisher for a class A hazard in extra hazard occupancy?
4-A
what is the maximum floor area per unit of A for light, ordinary, and extra hazard occupancy?
Light Hazard Occupancy- 3000 sq.ft
Ordinary Hazard Occupancy- 1500 sq.ft
Extra Hazard Occupancy-1000 sq.ft
The location of hose stations and the placement of fire extinguishers shall be such that the hose stations do not_____
replace more than every other fire extinguisher
the protection requirements shall be permitted to be fulfilled with fire extinguishers of a higher rating, provided_____
the travel distance to such larger fire extinguishers does not exceed 75 ft and the maximum floor area per unit of A is not exceeded.
Three AFFF or FFFP fire extinguishers of at least 2 1/2 gal can be used to fulfill what requirement?
The requirements for extra hazard for class b hazards
two AFFF or FFFP fire extinguishers of at least 1.6 gals can be used to fulfill what requirement?
the requirements for ordinary hazard requirements for class b hazards.
Can a higher-rated fire extinguisher fulfill the requirements in table 6.3.1.1 for a class B hazard?
Yes provided the travel distance to such larger fire extinguishers does not exceed 50 FT.
What are the two basic minimum extinguisher ratings needed for light class B hazards and their maximum travel distance?
(1) 5-B and 10-B
(2) 5-B maximum travel of 30 FT and 10-B maximum Travel of 50 FT
What are the two basic minimum extinguisher ratings needed for ordinary class B hazards and their maximum travel distance?
(1) 10-B and 20-B
(2) 10-B maximum travel of 30 FT and 20-B maximum Travel of 50 FT
what are the two basic minimum extinguisher ratings needed for extra class B hazards and their maximum travel distance?
(1) 40-B and 80-B
(2) 40-B maximum travel of 30 FT and 80-B maximum travel of 50 FT
Portable Fire extinguishers shall not be installed as the sole protection for flammable liquid hazards of appreciable depth where?
The surface area exceeds 10 SQ.FT
Where personnel who are trained in extinguishing fires in the protected hazards are located on the premises and capable of responding immediately the maximum surface area shall not exceed?
20 SQ.FT
For flammable liquid hazards of appreciable depth, a Class B fire extinguisher shall be provided on the basis of at least __ numerical units of Class b extinguishing potential per ___ of flammable liquid surface of the largest hazard area.
(1) 2 Numerical units of Class B extinguishing potential
(2) 1 SQ.FT of flammable liquid surface
AFFF or FFFP type fire extinguishers shall be permitted to be provided on the basis of what?
On the Basis of 1-B of protection per 1 SQ.FT of hazard
Fire extinguishers with _______ shall be required where energized electrical equipment can be encountered.
Class C rating
Fire extinguishers or extinguishing agents with _____ shall be provided for fires involving combustible metals
Class D rating
What is the maximum travel distance that a class D fire extinguisher or extinguishing agent may be from the class D hazard?
75 FT
______fire extinguishers shall be provided for hazards where there is a potential for fires involving combustible cooking media (_______ or______ and_____)
Class K Fire extinguishers
vegetable or animal oils and fats
what is the maximum travel distance allowed between a class K hazard and a class K extinguisher?
30 FT
All Solid Fuel cooking appliances (whether or not under a hood) with fire boxes of 5 ft3 volume or less shall have at least a ____________ or __________ that is listed for Class K fires.
Listed 2-A rated water-type fire extinguisher
or
A 1.6 GAL wet chemical fire extinguisher
