Mich. Admin. Code R. 408.41851 - Portable fire extinguishing equipment; selection and installation
Rule 1851.
(1)
All portable fire extinguishers shall bear an approved label of a nationally
recognized testing laboratory.
A fire extinguisher or extinguishing device that contains an active agent or propellant that has thermal decomposition products that have a level of vapor toxicity equal to or greater than any of the following listed materials shall not be used, installed for use, or allowed to remain installed for use:
(a) Carbon
tetrachloride, CCL4.
(b)
Chlorobromomethane, CH2 BrCL.
(c)
Azeotropic chlormethane, CM7.
(d)
Dibromodifluoromethane, CBr2F2.
(e)
1, 2-dibromo-2-chloro-1, 1, 2-trifluoroethane, Cbr-F2, CBrCLf.
(f) 1, 2-dibromo-2, 2-difluoroethane,
CH2BrCbrF2.
(g) Methylbromide,
CH3Br.
(h) Ethylene dibromide,
CH2BrCH2Br.
(i) Hydrogen bromide,
HBr.
(j) Methylene bromide,
CH2Br2.
(k) Bromodifluoromethane,
CHBrF2.
(2) A fire
extinguisher, rated not less than 2A, shall be provided for each 3,000 square
feet of the protected building area, or major fraction thereof. Travel distance
from any point of the protected area to the nearest fire extinguisher shall not
exceed 100 feet.
(3) One or more
fire extinguishers, rated not less than 2A, shall be provided on each floor. In
multistory buildings, at least 1 fire extinguisher shall be located adjacent to
stairway.
(4) Fire fighting
equipment shall be located where it will be readily seen and accessible along
normal paths of travel in the protected area.
(5) One 55-gallon open drum of water and 2
fire pails may be substituted for a fire extinguisher that has a 2A rating.
Extinguishers and water drums, subject to freezing, shall be protected from
freezing.
(6) A 1/2 inch or larger
interior diameter garden hose that is not more than 100 feet in length and that
is equipped with a nozzle may be substituted for a 2A fire extinguisher if it
is capable of reaching all points in the area that would be covered by the
replaced extinguisher and is capable of discharging not less than 5 gallons per
minute with a horizontal hose stream of not less than 30 feet. The hose line
shall be mounted on a rack or reel. Not more than 1/2 of the total number of
required fire extinguishers may be replaced by the hose.
(7) In addition to the requirements of this
rule, fire extinguishers shall be supplied as follows:
(a) Not less than 1 portable fire
extinguisher that has a rating of not less than 20 BC units shall be located as
follows:
(i) Outside of, but not more than 10
feet from, a door opening to a room used for the storage of more than 60
gallons of flammable liquids.
(ii)
Not less than 25 feet, nor more than 75 feet, from an outside storage
area.
(iii) On each tank truck or
other vehicle used to transport or dispense flammable liquids.
(iv) A fire extinguisher, rated not less than
10B, shall be provided within 50 feet of wherever more than 5 gallons of
flammable or combustible liquids or 5 pounds of flammable gas are being used on
the jobsite. This requirement does not apply to the integral fuel tanks of
motor vehicles.
(b) Each
service or fueling area shall have at least 1 portable fire extinguisher which
has not less than a 20 BC unit rating and which is located within 75 feet of
each pump, dispenser, underground fill opening, and lubricating or service
area.
(c) Storage locations for
liquefied petroleum gas (L.P.G.) shall be provided with at least 1 approved
portable fire extinguisher that has a rating of not less than 20 BC.
(d) Each site of a hazardous process shall be
provided with a portable fire extinguisher of an appropriate size and type.
Other means for safety or control may be provided if approved or required by
the process.
(8) Table 1
may be used in selecting and providing an extinguisher.
(9) Table 1 reads as follows:
| TABLE 1 | ||
| HAZARD | DESCRIPTION | EXTINGUISHER TYPE AND CONTENTS |
| Class "A" Fire | Combustible Material | Loaded stream, Multipurpose dry chemical, Pressure-operated water, Water pump tanks, Water mist, Halon 1211. |
| Class "B" Fire | Flammable Liquids, Gas, Or Grease | Carbon dioxide, Dry chemical, Foam, Loaded stream, Multipurpose dry chemical, Halon 1211. |
| Class "C" Fire | Electrical Equipment | Carbon dioxide with plastic horn only, Dry chemical, Multipurpose dry chemical, Water mist, Halon 1211. |
| Class "D" Fire | Combustible Metal | Extinguishing agent listed for use on a specific combustible metal hazard. |
Notes
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.
No prior version found.