Washington Administrative Code

All sections of this chapter which include WAC 296-24-592 in the section number apply to portable fire extinguishers.[Statutory Authority: RCW 49.17.040 and 49.17.050. WSR 82-02-003 (Order 81-32), § 296-24-592, filed 12/24/81.]

The requirements of this section apply to the hydrostatic testing of portable fire extinguishers provided for the use of employees.[Statutory Authority: RCW 49.17.010, [49.17].040, and [49.17].050. WSR 01-11-038, § 296-24-59201, filed 5/9/01, effective 9/1/01. Statutory Authority…

(1) You must ensure that an internal examination of cylinders and shells to be tested is made prior to the hydrostatic tests in addition to an external visual examination.(2) You must ensure that portable fire extinguishers are hydrostatically tested whenever they show new eviden…

(1) Scope and application. The scope and application of this section is written to apply to three basic types of workplaces. First, there are those workplaces where the employer has chosen to evacuate all employees from the workplace at the time of a fire emergency. Second, there…

This section establishes design and installation criteria for standpipe systems.[Statutory Authority: RCW 49.17.040 and 49.17.050. WSR 82-02-003 (Order 81-32), § 296-24-602, filed 12/24/81.]

(1) Scope. This section applies to all small hose, Class II and Class III standpipe systems installed to meet the requirements of a particular DOSH standard.(2) Exception. This section does not apply to Class I standpipe systems.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.…

You must ensure that standpipes are located or otherwise protected against mechanical damage. You must repair damaged standpipes promptly.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 15-24-100, § 296-24-60203, filed 12/1/15, effective 1/5/16. Stat…

(1) Reels and cabinets. Where reels or cabinets are provided to contain fire hose, you must ensure that they are designed to facilitate prompt use of the hose valves, the hose, and other equipment at the time of a fire or other emergency. You must ensure that the reels and cabine…

You must ensure that the minimum water supply for standpipe and hose systems, which are provided for the use of employees, are sufficient to provide 100 gallons per minute (6.3 l/s) for a period of at least thirty minutes.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050,…

(1) Acceptance tests.(a) You must ensure that the piping of Class II and Class III systems installed after July 1, 1982, including yard piping, is hydrostatically tested for a period of at least two hours at not less than 200 psi (1,380 kPa), or at least 50 psi (340 kPa) in exces…

(1) Scope and application. This section has been written to provide adequate coverage of those standpipe and hose systems that an employer may install in the workplace to meet the requirements of a particular DOSH standard. For example, DOSH permits the substitution of hose syste…

The design and installation criteria for automatic sprinkler systems is contained in this section.[Statutory Authority: RCW 49.17.040 and 49.17.050. WSR 82-02-003 (Order 81-32), § 296-24-607, filed 12/24/81.]

(1) The requirements of this section apply to all automatic sprinkler systems installed to meet a particular DOSH standard.(2) For automatic sprinkler systems used to meet DOSH requirements and installed prior to the effective date of this standard, compliance with the National F…

Automatic sprinkler systems installed in workplaces, but not required by DOSH are exempt from the requirements of this section.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 15-24-100, § 296-24-60703, filed 12/1/15, effective 1/5/16. Statutory Autho…

(1) Design.(a) All automatic sprinkler designs used to comply with this standard must provide the necessary discharge patterns, densities, and water flow characteristics for complete coverage in a particular workplace or zoned subdivision of the workplace.(b) You must ensure that…

(1) Scope and application. This section contains the minimum requirements for design, installation and maintenance of sprinkler systems that are needed for employee safety. The occupational safety and health administration is aware of the fact that the National Board of Fire Unde…

This section applies to criteria required for fixed extinguisher systems and all sections of this chapter having number WAC 296-24-617 in the section number apply.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 15-24-100, § 296-24-617, filed 12/1/15,…

(1) This section applies to all fixed extinguishing systems installed to meet a particular DOSH standard except for automatic sprinkler systems which are covered by WAC 296-24-607.(2) This section also applies to fixed systems not installed to meet a particular DOSH standard, but…

(1) You must ensure that fixed extinguishing system components and agents are designed and approved for use on the specific fire hazards they are expected to control or extinguish.(2) You must notify employees and take the necessary temporary precautions to assure their safety un…

(1) You must provide an emergency action plan in accordance with WAC 296-24-567 for each area within a workplace that is protected by a total flooding system which provides agent concentrations exceeding the maximum safe levels.(2) Systems installed in areas where employees canno…

(1) Scope and application. This section contains the general requirements that are applicable to all fixed extinguishing systems installed to meet DOSH standards. It also applies to those fixed extinguishing systems, generally total flooding, which are not required by DOSH, but w…

The design and installation requirements specifically applicable to fixed extinguishing systems, using dry chemical as the extinguishing agent, are contained in this section.[Statutory Authority: RCW 49.17.040 and 49.17.050. WSR 82-02-003 (Order 81-32), § 296-24-622, filed 12/24/…

This section applies to all fixed extinguishing systems using dry chemical as the extinguishing agent, installed to meet a particular DOSH standard. These systems must also comply with WAC 296-24-617.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 15…

(1) You must ensure that dry chemical agents are compatible with any foams or wetting agents with which they are used.(2) You may not mix together dry chemical extinguishing agents of different compositions. You must ensure that dry chemical systems are refilled with the chemical…

(1) Scope and application. The requirements of this section apply only to dry chemical systems. These requirements are to be used in conjunction with the requirements of WAC 296-24-617.(2) Maintenance. The employer is responsible for assuring that dry chemical systems will operat…

This section contains the design and installation requirements for fixed extinguishing systems using gaseous agents.[Statutory Authority: RCW 49.17.040 and 49.17.050. WSR 82-02-003 (Order 81-32), § 296-24-623, filed 12/24/81.]

(1) Scope. This section applies to all fixed extinguishing systems, using a gas as the extinguishing agent, installed to meet a particular DOSH standard. These systems must also comply with WAC 296-24-617. In some cases, the gas may be in a liquid state during storage.(2) Applica…

(1) You must ensure that agents used for initial supply and replenishment are of the type approved for the system's application. Carbon dioxide obtained by dry ice conversion to liquid is not acceptable unless it is processed to remove excess water and oil.(2) You must ensure tha…

(1) Scope and application. This section applies only to those systems which use gaseous agents. The requirements of WAC 296-24-617 also apply to the gaseous agent systems covered in this section.(2) Design concentrations. Total flooding gaseous systems are based on the volume of …

This section contains the design and installation requirements for extinguishing systems using water or foam solution as the extinguishing agent.[Statutory Authority: RCW 49.17.040 and 49.17.050. WSR 82-02-003 (Order 81-32), § 296-24-627, filed 12/24/81.]

This section applies to all fixed extinguishing systems, using water or foam solution as the extinguishing agent, installed to meet a particular DOSH standard. These systems must also comply with WAC 296-24-617. This section does not apply to automatic sprinkler systems which are…

(1) You must ensure that foam and water spray systems are designed to be effective in at least controlling fire in the protected area or on protected equipment.(2) You must ensure that drainage of water spray systems is directed away from areas where employees are working and tha…

(1) Scope and application. This section applies to those systems that use water spray or foam. The requirements of WAC 296-24-617 also apply to this type of system.(2) Characteristics of foams. When selecting the type of foam for a specific hazard, the employer should consider th…

The requirements for installation, restoration, maintenance, testing and protection of fire detection systems and the criteria for response time can be found in this section.[Statutory Authority: RCW 49.17.040 and 49.17.050. WSR 82-02-003 (Order 81-32), § 296-24-629, filed 12/24/…

This section applies to all automatic fire detection systems installed to meet the requirements of a particular DOSH standard.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 15-24-100, § 296-24-62901, filed 12/1/15, effective 1/5/16. Statutory Author…

(1) You must ensure that all devices and equipment constructed and installed to comply with this standard are approved for the purpose for which they are intended.(2) You must restore all fire detection systems and components to normal operating condition as promptly as possible …

(1) You must maintain all systems in an operable condition except during repairs or maintenance.(2) You must ensure that fire detectors and fire detection systems are tested and adjusted as often as needed to maintain proper reliability and operating condition except that factory…

(1) You must ensure that fire detection equipment installed outdoors or in the presence of corrosive atmospheres be protected from corrosion. The employer shall provide a canopy, hood, or other suitable protection for detection equipment requiring protection from the weather.(2) …

(1) You must ensure that fire detection systems installed for the purpose of actuating fire extinguishment or suppression systems shall be designed to operate in time to control or extinguish a fire.(2) You must ensure that fire detection systems installed for the purpose of empl…

You must ensure that the number, spacing and location of fire detectors is based upon design data obtained from field experience, or tests, engineering surveys, the manufacturer's recommendations, or a recognized testing laboratory listing.[Statutory Authority: RCW 49.17.010, 49.…

(1) Installation and restoration. Fire detection systems must be designed by knowledgeable engineers or other professionals, with expertise in fire detection systems and when the systems are installed, there should be an acceptance test performed on the system to insure it operat…

The following table contains a cross-reference listing of those current national consensus standards which contains information and guidelines that would be considered acceptable in complying with requirements in the specific sections.SectionNational Consensus StandardWAC 296-24-…

(1) Appendix general references. The following references provide information which can be helpful in understanding the requirements contained in all of the sections of Part G:(a) Fire Protection Handbook, National Fire Protection Association, Batterymarch Park, Quincy, MA 02269-…

This appendix contains test methods which must be used to determine if protective clothing affords the required level of protection as specified in chapter 296-811 WAC - fire brigades.(1) Puncture resistance test method for foot protection.(a) Apparatus. You must perform the punc…

You must protect employees from exposure to hexavalent chromium during the stainless steel welding process. See WAC 296-62-08003, Hexavalent chromium for specific criteria.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 15-24-100, § 296-24-680, filed…

Welder and welding operator. Any operator of electric or gas welding and cutting equipment.Approved. Listed or approved by a nationally recognized testing laboratory. Refer to WAC 296-24-58501(19) for definitions of listed and approved, and federal regulation 29 C.F.R. 1910.7 for…

[Order 73-5, § 296-24-682, filed 5/9/73 and Order 73-4, § 296-24-682, filed 5/7/73.]

(1) Flammable mixture. You must guard against mixtures of fuel gases and air or oxygen may be explosive and . You must not allow any device or attachment facilitating or permitting mixtures of air or oxygen with flammable gases prior to consumption, except at the burner or in a s…

(1) Approval and marking. All portable cylinders used for the storage and shipment of compressed gases must be constructed and maintained in accordance with the regulations of the United States Department of Transportation, 49 C.F.R. Parts 171-179.(a) You must legibly mark compre…

(1) Fuel-gas manifolds.(a) You must approve manifolds either separately for each component part or as an assembled unit.(b) Except as provided in (1)(c) of this section you must limit fuel-gas cylinders connected to one manifold inside a building to a total capacity not exceeding…