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Department Bulletins > DB 14-04 NFPA 704 Warning Placards > Flashcards

DB 14-04 NFPA 704 Warning Placards Flashcards

1
Q

These signs are designed to warn emergency first responders that a ___ exists in an occupancy.

A

hazard exists

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2
Q

What 5 references are used in this bulletin?

A
  • LA Fire Code
  • LAFD Requirement No. 61
  • LAFD Standard No. 8 (NFPA 704)
  • Identification of Fire Hazards of Materials ( 2007)
  • NFPA’s Fire Protection Guide to Hazardous Materials (13th edition)
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3
Q

This system identifies the hazards of a material in terms of how many principal categories?

A

3 principal categories

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4
Q

What are the three principal categories identified?

A
  • Health hazard
  • Flammability
  • Radioactivity (instability)
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5
Q

Indicates the order of severity numerically by fire divisions ranging from ___ to __

A

Four to Zero

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6
Q

Four indicates ____

A

severe hazard

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7
Q

Zero indicates ___

A

no special hazard

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8
Q

This information is presented by a system of diagrams with “Health” always being on the ___, “Flammability” at the ___, and the “Reactivity (Instability)” on the ___

A

Flammability = top
Health = left
Reactivity (instability) = right

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9
Q

What are the color backgrounds for the three hazards?

A

Flammability = red
Health = blue
Reactivity (instability) = yellow

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10
Q

What is the fourth space at the bottom used for?

A

Special information

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11
Q

Bottom space:

If multiple hazards exist, what will be indicated in that space.

A

the two worst hazards

- Stacked with most severe hazard on top

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12
Q

What is the order of symbols from the most hazardous to the least?

A

A, W, M, JM, FW, LW, and C

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13
Q

What buildings will be identified with an A?

A

Industrial/Commercial buildings which have received “conditional use” approval for residential occupancy by artist/artisans

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14
Q

What does the W symbol indicate?

A

Unusual reactivity with water

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15
Q

What metals will be indicated by an M?

A

Combustible metals (titanium, magnesium, aluminum, zirconium)

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16
Q

What quantities of combustible metals require placarding?

A
  • Occupancies that exceed 500 pounds of combustible metals per Table 4-A of Fire code, or
  • process or store 500 pounds OR LESS of combustible metals in form of dusts, powder, turnings, chips, or ribbons
17
Q

Businesses involved in jewelry manufacturing often use quantities of hazardous materials that are ___ the exempt amounts.

A

under

18
Q

However, when there are multiple jewelry businesses within a single building, their combined quantities generally exceed the exempt amounts in ____ of the Los Angeles Fire Code

A

Division 4

19
Q

Because of the collective potential hazard within these buildings, these jewelry businesses, including the manufacturers that are over the exempt amounts shall be indicated with a “__” in the fourth space.

A

JM (Jewelry Mart)

20
Q

What shall require FW in the fourth space?

A

Agriculture/wildlife “exempt fireworks” for any quantities stored

21
Q

When is the fourth space marked with LW (limited water)?

A

Occupancies where excessive moisture or smoke will severely affect the value of the building or contents

22
Q

Limited Water:
To limit the losses of these properties: water should be used ___; products of combustion removed ____; and ___ taken in handling the contents during salvage operations.

A
  • water used sparingly
  • Products of combustion removed as soon as practicable
  • extreme care taken in handling contents during salvage
23
Q

What symbol is the only symbol not required by this requirement?

A

LW

24
Q

The “LW” is the only symbol that is not required by this requirement and would be used only upon request of the occupancy and approved by who?

A

Fire Chief

25
Q

What would indicate using a C ion the fourth space?

A

Substances that need to be contained to avert further environmental damage
- PCBs

26
Q

The fourth space can be used to indicate other ____ that are not indicated in Requirement No. 61, e.g., radioactivity, proper fire extinguishing agent, or protective equipment required in case of fire or other emergency.

A

additional information

27
Q

Warning Placards:

When shall warning placards be posted?

A

Whenever hazardous materials are stored, processed, or used, in quantities requiring a permit under Division 4 of LA Fire Code or if above material is a combustible metal

28
Q

Warning Placards: Where are the 3 locations of warning placards?

A

1) At entrance to any building where hazardous materials are stored processed or used, and other locations required by Fire Chief
2) At main entrance to any area outside a building where hazardous materials are stored, processed, or used
3) Every aboveground tank used for storage of HAZMAT ON 2 SIDES AT LEAST

29
Q

Warning Placards:

How many placards are required to be on every aboveground tank used for the storage of hazardous materials?

A

on at least 2 sides of any such container

30
Q

Warning Placards:

What is the exception to posting each tank in an area containing more than one tank?

A

the area itself may be posted as approved by the LAFD

31
Q

Warning Signs:
Appropriate signs shall be posted indicating the hazard of the material. Such signs shall be ____ posted at any location within or outside of a building where hazardous materials are stored, processed, or used

A

conspicuously posted

32
Q

Warning Signs:

Warning Signs shall be ___ lettered on a ___ background with letters at least ___ inches in height.

A
  • conspicuously lettered
  • contrasting background
  • letters at least three inches in height
33
Q

Warning Sign:

What shall every warning sign name?

A

name the material or hazard classification

- ex: magnesium, liquid hydrogen, flammable liquids, or corrosive liquids

34
Q

Warning Signs:
Any area where hazardous materials are stored, processed, or used, shall have a sign conspicuously posted in letters no less than three inches high on a contrasting background reading what?

A

“No Smoking” or open flame within 25 feet as required by the Fire Chief

35
Q

Degree of Hazard:

The degree of hazards is determined by what reference?

A

NFPA’s Fire Protection Guide to Hazardous Materials 13th Edition

36
Q

Degree of Hazard:

What is done if the degree of hazard is not contained in the NFPA Fire Protection Guide to Hazardous Materials?

A

the Manufacturer’s recommendation shall be used

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