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Portable Fire Extinguishers

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Portable Fire Extinguishers
Self-Inspection Checklist
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Guidelines: This checklist covers regulations issued by the U.S. Department of Labor, Occupational Safety and Health Administration (OSHA) under 29 CFR 1910.157. It applies to the placement, use, maintenance, and testing of portable fire extinguishers. The regulations cited apply only to private employers and their employees, unless adopted by a State agency and applied to other groups such as public employees. Definitions of terms in bold type are provided at the end of the checklist.
This checklist does not address detailed regulations covering the methods used for hydrostatic testing of fire extinguishers. Please consult 29 CFR 1910.157 for additional information.
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General Requirements
  1. Are all portable fire extinguishers approved? [29 CFR 1910.157(c)(2)]
Y   N   N/A 
  1. Are portable fire extinguishers using carbon tetrachloride or chlorobromomethane prohibited? [29 CFR 1910.157(c)(3)]
 Y   N   N/A
  1. Have all the following portable fire extinguishers been removed from service? [29 CFR 1910.157(c)(5)] 
  • Soldered or riveted shell self-generating soda acid. 
  • Self-generating foam  
  • Gas cartridge water  
Note: These types of fire extinguishers are operated byinverting the extinguisher to rupture the cartridge or toinitiate an uncontrollable pressure-generating chemicalreaction to expel the agent.
 Y   N   N/A
  1. Are portable fire extinguishers mounted, located, and identified so that they are readily accessible?[29 CFR 1910.157(c)(1)]
 Y   N   N/A
  1. Are portable fire extinguishers fully charged, operable, and kept in their designated places at all times?[29 CFR 1910.157(c)(4)]
 Y   N   N/A
  1. If fire extinguishers are enclosed in cabinets, is access to thecabinet unobstructed and is the cabinet clearly visible? [recommended]
 Y   N   N/A
  1. If fire extinguishers are enclosed in cabinets with opaque doors, are doors unlocked, and are the cabinetcontents indicated on the outside? [recommended]
 Y   N   N/A
  1. When fire extinguishers are enclosed in locked cabinets and doors are equipped with approved visual identification clearglass panels, are glass panes easily broken? Is the doorcapable of being opened when the glass panel is broken? Isthe unlocking handle painted red? Is the direction the handlemust be pushed or pulled to open the door indicated? Is thedoor labeled Fire equipment: in case of fire, breakglass and operate red handle? [recommended]
 Y   N   N/A
  1. When fire extinguishers are enclosed in locked cabinets and doors are completely glass, are doors labeled In case of fire,break glass? [recommended]
 Y   N   N/A
  1. Are extinguishers installed on the hangers or on the suppliedbrackets, mounted in cabinets, or set on shelves unless theextinguishers are of the wheeled type? [recommended]
 Y   N   N/A
  1. Are extinguishers installed where they are subject to physical damage protected from impact? [recommended]
 Y   N   N/A
Training and Education
  1. When employees are expected to use fire extinguishers, have they been trained in the general principles of fire extinguisheruse and the hazards involved with incipient stage firefighting? [29 CFR 1910.157(g)(1)]
 Y   N   N/A
  1. Is this training given at the time of initial assignment and annually thereafter? [29 CFR 1910.157(g)(2)]
 Y   N   N/A
Selection and Distribution
  1. Is at least one fire extinguisher available in each laboratory, shop, or other career-technical room, and one fire extinguisheravailable for each 2,500 square feet of floor area?[recommended]
 Y   N   N/A
  1. According to the table that follows, are portable fire extinguishers selected and distributed based on the classes(see class definitions at end of checklist) of anticipated firesand on the size and degree of hazard that would affecttheir use? [29 CFR 1910.157(d)(1)]
     
First Hazard Class
Maximum Permitted Distance
to Portable Fire Extinguisher
A
B
C
D
75 feet1
50 feet2
50-75 feet3
75 feet4

1 Uniformly spaced standpipe systems or hose stationsconnected to a sprinkler system installed for emergency use may be used instead of Class Aportable fire extinguishers.
2 Depending on size of extinguisher and size of firehazard, a maximum 30 feet travel distance may berequired.
3 Use existing Class A or Class B hazards to determine the required pattern.
4 Required where combustible metal powders, flakes,shavings or similarly sized products are generatedat least once very two weeks.
 Y   N   N/A
Inspection, Maintenance, and Testing
  1. Are portable fire extinguishers inspected monthly? [29 CFR 1910.157(e)(2)]
 Y   N   N/A
  1. Are portable fire extinguishers subjected to an annual maintenance check? [29 CFR 1910.157(e)(3)]
 Y   N   N/A
  1. Does each extinguisher have a tag or label securely attached that indicates the month and year theinspection, maintenance, states that recharging wasperformed and identifies the person performing theservice? [recommended]
 Y   N   N/A
  1. Are records of the annual maintenance check kept and retained for at least a year? [29 CFR 1910.157(e)(3)]
 Y   N   N/A
  1. When portable fire extinguishers are removed for service, are standby or spare units temporarily installedof the same type and capacity?[29 CFR 1910.157(e)(5)]
 Y   N   N/A
  1. Are stored pressure dry chemical extinguishers that require a 12-year hydrostatic test emptied andsubjected to applicable maintenance proceduresevery 6 years? [29 CFR 1910.157(e)(4)]
Note: Dry chemical extinguishers withnon-refillable disposable containers are exempt from thisrequirement.
 Y   N   N/A
Hydrostatic Testing
  1. Are extinguishers hydrostatically tested at the intervals listed in the table below?
    [29 CFR 1910.157(f)(2)]
     
Type of Extinguishers
Test Interval
(years)
Stored pressure water and/or
     antifreeze
Wetting agent
Aqueous film forming agent
     (AFFF)
Dry chemical with stainless steel 
Carbon dioxide
Dry chemical, stored pressure, 
     with mild steel, brazed brass
      or aluminum shells
12 
Halon 1211
12 
Halon 1301
12 
Dry powder, cartridge or cylinder
     operated with mild steel shells
12 
 Y   N   N/A
  1. Is hydrostatic testing performed by trained persons with suitable testing equipment and facilities?[29 CFR 1910.157(f)(1)]
Y   N   N/A 
  1. Are hydrostatic testing certification records maintained that show the date of the test, the signature of the personwho performed the test, and the serial number (or otheridentifier) of the fire extinguisher that was tested?[29 CFR 1910.157(f)(16)]
Y   N   N/A 
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Definitions:
 
Class A fire: a fire involving ordinary combustible materials such as paper, wood, cloth, and some rubber and plastic materials.
Class B fire: a fire involving flammable or combustible liquids, flammable gases, greases and similar materials, and some rubber and plastic materials.
Class C fire: a fire involving energized electrical equipment where safety requires the use of electrically nonconductive extinguishing media.
Class D fire: a fire involving combustible metals such as aluminum, magnesium, titanium, zirconium, sodium, lithium, and potassium.
Incipient stage fire: a fire that is in the initial or beginning stage and can be controlled or extinguished by portable fire extinguishers, Class II standpipe or small hose systems without the need for protective clothing or breathing apparatus.
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