reglab/statecodes huggingface dataset:
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-2 - Hazardous Materials - Liquified Petroleum Gas › Section 296-307-44001 - Scope

Current through Register Vol. 24-14, July 15, 2024
WAC
					 296-307-440
					 applies to storage containers, dispensing devices, and pertinent equipment in
					 service stations where LP-gas is stored and dispensed into fuel tanks of motor
					 vehicles. LP-gas service stations must meet all requirements of WAC
					 296-307-410
					 and the requirements of this section.
Statutory Authority:
						RCW
						 49.17.040. 98-24-096, § 296-307-44001,
						filed 12/1/98, effective 3/1/99. 97-09-013, recodified as § 296-307-44001,
						filed 4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040, [49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-44001, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-2 - Hazardous Materials - Liquified Petroleum Gas › Section 296-307-44003 - Design and classification of storage containers

Current through Register Vol. 24-14, July 15, 2024
Storage containers must be designed and classified
					 according to the following table:
Minimum design pressure of container
							 lb. per sp. in. gauge
Container type
For gases with vapor press. Not to exceed lb.
							 per sp. in. gauge 100°F (37.8°C.)
1949 and earlier editions of ASME Code (Par.
							 U-68, U-69)
1949 edition of ASME Code (Par.U-200, U-201);
							 1950, 1952, 1956, 1959, 1962, 1965, and 1968 (Division I) editions of ASME
							 Code; All editions of API-ASME Code2
2001
215
200
250
1 Container type may be
					 increased by increments of 25. The minimum design pressure of containers must
					 be 100% of the container type designation when constructed under 1949 or
					 earlier editions of ASME Code (Par. U-68 and U-69). The minimum design pressure
					 of containers must be 125% of the container type designation when constructed
					 under:
1. The 1949 ASME Code (Par. U-200 and U-201),
2. 1950, 1952, 1956, 1959, 1962, 1965, and 1968 (Division
					 I) editions of the ASME Code, and
3. All editions of the API-ASME Code.
2 Construction of containers
					 under the API-ASME Code is not authorized after July 1, 1961.
97-09-013, recodified as § 296-307-44003, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-44003, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-2 - Hazardous Materials - Liquified Petroleum Gas › Section 296-307-44005 - Valves and accessories

Current through Register Vol. 24-14, July 15, 2024
(1) A
				  filling connection on the container must be fitted with one of the following:
(a) A combination back-pressure check and
				  excess flow valve.
(b) One double
				  or two single back-pressure valves.
(c) A positive shut-off valve, in conjunction
				  with either:
(i) An internal back-pressure
				  valve; or
(ii) An internal excess
				  flow valve.
Instead of an excess flow valve, filling connections may be
					 fitted with a quick-closing internal valve that only opens during operating
					 periods. The mechanism for such valves may have a secondary control that will
					 close automatically in case of fire. The melting point for a fusible plug must
					 be a maximum of 220°F.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-2 - Hazardous Materials - Liquified Petroleum Gas › Section 296-307-44007 - Safety devices

Current through Register Vol. 24-14, July 15, 2024
(1)
				  All safety-relief devices must be installed as follows:
(a) On the container and directly connected
				  with the vapor space.
(b)
				  Safety-relief valves and discharge piping must be protected against physical
				  damage. The outlet must have loose-fitting rain caps. There must be no return
				  bends or restrictions in the discharge piping.
(c) The discharge from two or more
				  safety-relief valves with the same pressure settings may be run into a common
				  discharge header. The cross-sectional area of such header must be at least
				  equal to the sum of the individual discharges.
(d) Discharge from a safety-relief device
				  that terminates in or beneath any building is prohibited.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-2 - Hazardous Materials - Liquified Petroleum Gas › Section 296-307-44009 - Maximum capacity allowed for containers

Current through Register Vol. 24-14, July 15, 2024
Individual storage containers must be a maximum of 30,000
					 gallons water capacity.
97-09-013, recodified as § 296-307-44009, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-44009, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-2 - Hazardous Materials - Liquified Petroleum Gas › Section 296-307-44011 - Installation of storage containers

Current through Register Vol. 24-14, July 15, 2024
(1) Each storage container used exclusively
				  in service station operation must comply with the following table. This table
				  outlines the minimum distances from a container to a building, group of
				  buildings, or adjoining property lines that may be built on.
Minimum distances
Water
capacity per
container
(gallons)
Aboveground
and underground
(feet)
Between
aboveground
containers
(feet)
Up to 2,000
25
3
Over 2,000
50
5
Note
:
The above distances may be reduced to at least 10 feet
							 for service station buildings of other than wood frame construction.
(a) Readily
				  ignitible material including weeds and long dry grass, must be removed within
				  10 feet of containers.
(b) The
				  minimum separation between LP-gas containers and flammable liquid tanks must be
				  20 feet and the minimum separation between a container and the centerline of
				  the dike must be 10 feet.
(c)
				  LP-gas containers located near flammable liquid containers must be protected
				  against the flow or accumulation of flammable liquids by diking, diversion
				  curbs, or grading.
(d) LP-gas
				  containers located within diked areas for flammable liquid containers are
				  prohibited.
(e) Field welding is
				  permitted only on saddle plates or brackets that were applied by the container
				  manufacturer.
(f) When permanently
				  installed containers are interconnected, the employer must allow for expansion,
				  contraction, vibration, and settling of containers and interconnecting piping.
				  Where flexible connections are used, they must be approved and designed for a
				  bursting pressure of at least five times the vapor pressure of the product at
				  100°F. Using nonmetallic hose is prohibited for interconnecting
				  containers.
(g) Where high water
				  table or flood conditions may be encountered, the employer must protect against
				  container flotation.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-2 - Hazardous Materials - Liquified Petroleum Gas › Section 296-307-44013 - Protecting equipment against tampering

Current through Register Vol. 24-14, July 15, 2024
Valves, regulators, gauges, and other container fittings
					 must be protected against tampering and physical damage.
97-09-013, recodified as § 296-307-44013, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-44013, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-2 - Hazardous Materials - Liquified Petroleum Gas › Section 296-307-44015 - Transport truck unloading point

Current through Register Vol. 24-14, July 15, 2024
(1) During unloading, the transport truck
				  must not be parked on public thoroughfares and must be at least 5 feet from
				  storage containers. The truck must be positioned so that shut-off valves are
				  accessible.
(2) The filling pipe
				  inlet terminal must not be located within a building nor within 10 feet of any
				  building or driveway. It must be protected against physical damage.
97-09-013, recodified as § 296-307-44015, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-44015, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-2 - Hazardous Materials - Liquified Petroleum Gas › Section 296-307-44017 - Piping, valves, and fittings

Current through Register Vol. 24-14, July 15, 2024
(1) Piping may be underground, aboveground,
				  or a combination of both. It must be well supported and protected against
				  physical damage and corrosion.
(2)
				  Piping laid beneath driveways must be installed to prevent physical damage by
				  vehicles.
(3) Piping must be
				  wrought iron or steel (black or galvanized), brass or copper pipe; or seamless
				  copper, brass, or steel tubing and must be suitable for a minimum pressure of
				  250 psig. Pipe joints may be screwed, flanged, brazed, or welded. The use of
				  aluminum alloy piping or tubing is prohibited.
(4) All shut-off valves (liquid or gas) must
				  be suitable for LP-gas service and designed for at least the maximum pressure
				  to which they may be subjected. Valves that may be subjected to container
				  pressure must have a rated working pressure of at least 250 psig.
(5) All materials used for valve seats,
				  packing, gaskets, diaphragms, etc., must be resistant to the action of
				  LP-gas.
(6) Fittings must be steel,
				  malleable iron, or brass having a minimum working pressure of 250 psig. Cast
				  iron pipe fittings, such as ells, tees and unions must not be used.
(7) All piping must be tested after assembly
				  and proved free from leaks at least at the normal operating
				  pressures.
(8) The employer must
				  allow for expansion, contraction, jarring, and vibration, and for settling. The
				  employer may use flexible connections.
97-09-013, recodified as § 296-307-44017, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-44017, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-2 - Hazardous Materials - Liquified Petroleum Gas › Section 296-307-44019 - Pumps and accessory equipment

Current through Register Vol. 24-14, July 15, 2024
All pumps and accessory equipment must be suitable for
					 LP-gas service, and designed for at least the maximum pressure to which they
					 may be subjected. Accessories must have a minimum rated working pressure of 250
					 psig. Positive displacement pumps must have suitable pressure actuated bypass
					 valves permitting flow from pump discharge to storage container or pump
					 suction.
97-09-013, recodified as § 296-307-44019, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-44019, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-2 - Hazardous Materials - Liquified Petroleum Gas › Section 296-307-44021 - LP-gas dispensing devices

Current through Register Vol. 24-14, July 15, 2024
(1) Meters, vapor separators, valves, and
				  fittings in the dispenser must be suitable for LP-gas service and must be
				  designed for a minimum working pressure of 250 psig.
(2) Provisions must be made for venting
				  LP-gas from a dispensing device to a safe location.
(3) Pumps used to transfer LP-gas must allow
				  control of the flow and to prevent leakage or accidental discharge. Means must
				  be provided outside the dispensing device to readily shut off the power in the
				  event of fire or accident.
(4) A
				  manual shut-off valve and an excess flow check valve must be installed
				  downstream of the pump and ahead of the dispenser inlet.
(a) Dispensing hose must be resistant to the
				  action of LP-gas in the liquid phase and designed for a minimum bursting
				  pressure of 1,250 psig.
(b) An
				  excess flow check valve or automatic shut-off valve must be installed at the
				  terminus of the liquid line at the point of attachment of the dispensing
				  hose.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-2 - Hazardous Materials - Liquified Petroleum Gas › Section 296-307-44023 - Smoking is prohibited at LP-gas service stations

Current through Register Vol. 24-14, July 15, 2024
Smoking is prohibited on the driveway of service stations
					 in the dispensing areas or transport truck unloading areas. Conspicuous signs
					 prohibiting smoking must be posted within sight of the customer being served.
					 Letters on such signs must be at least 4 inches high. The motors of all
					 vehicles being fueled must be shut off during the fueling
					 operations.
97-09-013, recodified as § 296-307-44023, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-44023, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-2 - Hazardous Materials - Liquified Petroleum Gas › Section 296-307-44025 - Fire protection at LP-gas service stations

Current through Register Vol. 24-14, July 15, 2024
Each service station must have at least one approved
					 portable fire extinguisher with at least an 8-B, C, rating.
97-09-013, recodified as § 296-307-44025, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-44025, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Section 296-307-445 - Scope

Current through Register Vol. 24-14, July 15, 2024
IMPORTANT:
Dip tank
.
A container holding a
					 liquid other than plain water that is used for dipping or coating. An object
					 may be completely or partially immersed (in a dip tank) or it may be suspended
					 in a vapor coming from the tank.
Exemption:
Dip tanks that use a molten material (molten
								metal, alloy, salt, etc.) are not covered by this chapter.
This chapter
applies
to:
(1) A dip tank that uses a liquid other than
				  plain water, or the vapor of the liquid, to:
(a) Clean an object;
(b) Coat an object;
(c) Alter the surface of an object;
OR
(d) Change the character of an
				  object.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Section 296-307-450 - General requirements

Current through Register Vol. 24-14, July 15, 2024
Summary.
Employer responsibility:
Safeguard employees working with dip tanks.
The employer must meet the
							 requirements...
in this section:
CONSTRUCTION
Construct safe dip tanks.
WAC
							 296-307-45005
VENTILATION
Provide proper ventilation for the vapor area.
WAC
							 296-307-45010
The employer must take additional precautions if the
							 ventilation system recirculates exhaust air into the workplace.
WAC
							 296-307-45015
The employer must take additional precautions when
							 using an exhaust hood.
WAC
							 296-307-45020
INSPECTION
Periodically inspect dip tanks and associated
							 equipment and correct any deficiencies.
WAC
							 296-307-45025
FIRST AID
Make sure employees working near dip tanks know
							 appropriate first-aid procedures.
WAC
							 296-307-45030
CLEANING
Prepare dip tanks before cleaning.
WAC
							 296-307-45035
WELDING
Protect employees during welding, burning or other
							 work using open flames.
WAC
							 296-307-45045
LIQUIDS HARMFUL TO SKIN
Provide additional protection for employees working
							 near dip tanks that use liquid that may burn, irritate, or otherwise harm the
							 skin.
WAC
							 296-307-45050
Statutory Authority:
						RCW
						 49.17.010,
						49.17.040,
						49.17.050, and
						49.17.060. 03-10-068, §
						296-307-450, filed 5/6/03, effective 8/1/03; 97-09-013, recodified as §
						296-307-450, filed 4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040, [49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-450, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Construction › Section 296-307-45005 - Construct safe dip tanks

Current through Register Vol. 24-14, July 15, 2024
The employer must make sure dip tanks, including any
						drain boards, are strong enough to support the expected load.
Statutory Authority:
						  RCW
						   49.17.010,
						  49.17.040,
						  49.17.050, and
						  49.17.060. WSR 03-10-068, §
						  296-307-45005, filed 5/6/03, effective 8/1/03; WSR 97-09-013, recodified as
						  § 296-307-45005, filed 4/7/97, effective 4/7/97. Statutory Authority:
						  RCW
						   49.17.040, [49.17.]050 and [49.17.]060. WSR
						  96-22-048, § 296-306A-45005, filed 10/31/96, effective
						  12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Ventilation › Section 296-307-45010 - Provide proper ventilation for the vapor area

Current through Register Vol. 24-14, July 15, 2024
(1) The employer must make sure mechanical
					 ventilation meets the requirements of one or more of the following standards:
(a) NFPA 34-1995, Standard for Dipping and
					 Coating Processes Using Flammable or Combustible Liquids;
(b) ACGIH's "Industrial Ventilation: A Manual
					 of Recommended Practice" (22nd ed., 1995);
(c) ANSI Z9.1-1971, Practices for Ventilation
					 and Operation of Open-Surface Tanks and ANSI Z9.2-1979, Fundamentals Governing
					 the Design and Operation of Local Exhaust Systems.
Note:
Some, or all, of the consensus standards (such as
								ANSI and NFPA) may have been revised. If the employer complies with a later
								version of a consensus standard, the employer will be considered to have
								complied with any previous version of the same consensus standard.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Ventilation › Section 296-307-45015 - Additional precautions if recirculating ventilation system exhaust air into the workplace

Current through Register Vol. 24-14, July 15, 2024
(1)
					 The employer must only recirculate air that contains no substance at a
					 concentration that could pose a health or safety hazard to employees;
(2) The employer must make sure any exhaust
					 system that recirculates air into the workplace:
(a) Passes the air through a device that
					 removes contaminants;
(b) Sounds an
					 alarm and automatically shuts down the dip tank operation, if the vapor
					 concentration of any substance in the exhaust air exceeds twenty-five percent
					 of its LFL;
(c) Monitors the
					 concentration of vapor from flammable or combustible liquids with approved
					 equipment.
Notes:
1. The LFL concentration in the air must be
								  determined after the air passes through the air-cleaning device and before the
								  air reenters the workspace.
2. Most substances will pose a health hazard at a
								  concentration far below twenty-five percent of its LFL.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Ventilation › Section 296-307-45020 - Take additional precautions when using an exhaust hood

Current through Register Vol. 24-14, July 15, 2024
The employer must make sure each room with an exhaust
						hood has a source of outside air that:
(1) Enters the room in a way that will not
					 interfere with the function of the hood;
(2) Replaces at least ninety percent of the
					 air taken in through the hood.
Statutory Authority:
						  RCW
						   49.17.010,
						  49.17.040,
						  49.17.050, and
						  49.17.060. 03-10-068, §
						  296-307-45020, filed 5/6/03, effective
						  8/1/03.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Inspection › Section 296-307-45025 - Periodically inspect dip tanks and associated equipment and correct any deficiencies

Current through Register Vol. 24-14, July 15, 2024
(1)
					 The employer must inspect or test the dip tanks and associated equipment
					 periodically, including:
(a)
					 Covers;
(b) Overflow
					 pipes;
(c) Bottom drains and
					 valves;
(d) Electrical wiring,
					 equipment, and grounding connections;
(e) Ventilating systems;
(f) Fire extinguishing equipment.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › First Aid › Section 296-307-45030 - Make sure employees working near dip tanks know appropriate first-aid procedures

Current through Register Vol. 24-14, July 15, 2024
The employer must make sure employees know the
						appropriate first-aid procedures for the hazards of dipping and coating
						operations.
Notes:
1. First-aid procedures are contained in the
								  material safety data sheet (MSDS) for the chemicals used in the dip
								  tank.
2. First-aid supplies appropriate for the
								  hazards of the dipping or coating operation need to be located near the dip
								  tank to be considered "readily available" as required by WAC
								  296-307-03920.
Reference:
There are additional requirements that may include
								providing emergency washing facilities and employee training. See first aid,
								WAC
								296-307-039,
								and employer chemical hazard communication, WAC
								296-307-550.
Statutory Authority:
						  RCW
						   49.17.010,
						  49.17.040,
						  49.17.050, and
						  49.17.060. WSR 03-10-068, §
						  296-307-45030, filed 5/6/03, effective
						  8/1/03.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Cleaning › Section 296-307-45035 - Prepare dip tanks before cleaning

Current through Register Vol. 24-14, July 15, 2024
(1) The employer must drain the contents of
					 the tank and open any cleanout doors.
(2) The employer must ventilate the tank to
					 clear any accumulated hazardous vapors.
Reference:
There may be requirements that apply before an
								employee enters a dip tank. See Confined spaces, WAC
								296-307-642 and safety
								procedures, WAC
								296-307-320.
Statutory Authority:
						  RCW
						   49.17.010,
						  49.17.040,
						  49.17.050,
						  49.17.060. WSR 05-01-166, §
						  296-307-45035, filed 12/21/04, effective 4/2/05; WSR 03-10-068, §
						  296-307-45035, filed 5/6/03, effective
						  8/1/03.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Welding › Section 296-307-45045 - Protect employees during welding, burning, or other work using open flames

Current through Register Vol. 24-14, July 15, 2024
The employer must make sure the dip tank and the area
						around it are thoroughly cleaned of solvents and vapors before performing work
						involving:
(1) Welding;
(2) Burning;
OR
(3) Open flames.
Reference:
There are additional requirements for this type of
								work. See Welding, cutting and brazing, WAC
								296-307-475,
								and Respirators, chapter 296-307 WAC, Part Y-5.
Statutory Authority:
						  RCW
						   49.17.010,
						  49.17.040,
						  49.17.050,
						  49.17.060. WSR 05-01-166, §
						  296-307-45045, filed 12/21/04, effective 4/2/05; WSR 03-10-068, §
						  296-307-45045, filed 5/6/03, effective
						  8/1/03.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Liquids Harmful to Skin › Section 296-307-45050 - Protect employees that use liquids that may burn, irritate, or otherwise harm the skin

Current through Register Vol. 24-14, July 15, 2024
(1) The
					 employer must make sure washing facilities, including hot water, are available
					 for every ten employees that work with dip tank liquids.
(2) The employer must satisfy medical
					 requirements:
(a) Make sure an employee with
					 any small skin abrasion, cut, rash, or open sore receives treatment by a
					 properly designated person;
(b)
					 Make sure an employee with a sore, burn, or other skin lesion that needs
					 medical treatment, has a physician's approval before they perform their regular
					 work;
(c) Make sure employees who
					 work with chromic acid receive periodic examinations of their exposed body
					 parts, especially their nostrils.
Notes:
1. Periodic means on a yearly basis unless
								  otherwise indicated.
2. Any time chromic acid spills onto an
								  employee's skin or their clothing is saturated, a physician should be
								  responsible for evaluating and monitoring the area where chromic acid made
								  contact with the skin.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Liquids Harmful to Skin › Section 296-307-455 - Additional requirements for dip tanks using flammable or combustible liquids

Current through Register Vol. 24-14, July 15, 2024
Summary.
IMPORTANT:
This section applies to:
1. Flammable and combustible liquids
					 (flashpoint below 200°F).
2.
					 Liquids that have a flashpoint of 200°F (93.3°C) or higher if :
a. Heat the liquid;
b. Dip a heated object in the tank.
Employer responsibility:
Safeguard employees working with dip tanks containing
						flammable or combustible liquids.
The emplover must meet the
								requirements...
in this section:
CONSTRUCTION
Additional safeguards when constructing dip
								tanks.
WAC
								296-307-45505
Provide overflow pipes.
WAC
								296-307-45510
Provide bottom drains.
WAC
								296-307-45515
FIRE PROTECTION
Fire protection in the vapor area.
WAC
								296-307-45520
Additional fire protection for large dip tanks.
WAC
								296-307-45525
ELECTRICAL WIRING AND EQUIPMENT AND SOURCES OF
								IGNITION
Prevention of static electricity sparks or arcs when
								adding liquids to a dip tank.
WAC
								296-307-45535
Control ignition sources.
WAC
								296-307-45540
Provide safe wiring and electrical equipment where
								the hquid can drip or splash.
WAC
								296-307-45545
HOUSEKEEPING
Keep the area around dip tanks clear of combustible
								material and properly dispose of waste.
WAC
								296-307-45550
HEATING LIQUID
Make sure heating the liquid in dip tanks does not
								cause a fire.
WAC
								296-307-45555
HEAT DRYING
Make sure a heating system used for drying objects
								does not cause a fire.
WAC
								296-307-45560
CONVEYORS
Make sure the conveyor system for dip tanks is
								safe.
WAC
								296-307-45565
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Construction › Section 296-307-45505 - Additional safeguards when constructing dip tanks

Current through Register Vol. 24-14, July 15, 2024
(1) The employer must make sure the dip tank,
					 drain boards (if provided), and supports are made of noncombustible
					 material.
(2) The employer must
					 make sure piping cormections on drains and overflow pipes allow easy access to
					 the inside of the pipe for inspection and cleaning.
Statutory Authority:
						  RCW
						   49.17.010,
						  49.17.040,
						  49.17.050, and
						  49.17.060. WSR 03-10-068, §
						  296-307-45505, filed 5/6/03, effective
						  8/1/03.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Construction › Section 296-307-45510 - Provide overflow pipes

Current through Register Vol. 24-14, July 15, 2024
(1)
					 The employer must provide an overflow pipe on dip tanks that:
(a) Hold more than one hundred fifty gallons
					 of hquid;
OR
(b) Have more than ten square feet of liquid
					 surface area.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Construction › Section 296-307-45515 - Provide bottom drains

Current through Register Vol. 24-14, July 15, 2024
Exemption:
A bottom dram is not required if:
1. The viscosity of the liquid makes it
								  impractical to empty the tank by gravity or pumping
OR
2. The dip tank has an automatic closing cover
								  that meets the requirements of WAC 296-307-45530
(1) The
					 employer must provide a bottom drain on all dip tanks that hold more than five
					 hundred gallons of liquid^
(2) The
					 employer must make sure the bottom drain:
(a)
					 Is properly trapped;
(b) Will empty
					 the dip tank during a fire;
(c) Has
					 pipes large enough to empty the tank within five minutes;
(d) Uses automatic pumps if gravity draining
					 is not practical;
(e) Is capable of
					 both manual and automatic operation;
(f) Discharges to a safe location.
Note:
Discharges to a safe location could be a:
1. Safe location outside the building;
OR
2. Closed, properly vented salvage tank or tanks
								  that can hold more than the dip tank.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Fire Protection › Section 296-307-45520 - Fire protection in the vapor area

Current through Register Vol. 24-14, July 15, 2024
The employer must provide a manual fire extinguisher
						near the tank that is suitable for putting out flammable and combustible liquid
						fires.
Statutory Authority:
						  RCW
						   49.17.010,
						  49.17.040,
						  49.17.050, and
						  49.17.060. WSR 03-10-068, §
						  296-307-45520, filed 5/6/03, effective
						  8/1/03.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Fire Protection › Section 296-307-45525 - Additional fire protection for large dip tanks

Current through Register Vol. 24-14, July 15, 2024
(1) The employer must provide at least one
					 automatic fire extinguishing system or an automatic dip tank cover if the tank:
(a) Holds one hundred fifty gallons or more
					 of liquid;
OR
(b) Has four square feet or more of liquid
					 surface area.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Electrical Wiring and Equipment and Sources of Ignition › Section 296-307-45535 - Prevention of static electricity sparks or arcs when adding liquids to a dip tank

Current through Register Vol. 24-14, July 15, 2024
The employer must make sure any portable container used
						to add liquid to the tank is:
(1)
					 Electrically bonded to the dip tank;
(2) Positively grounded.
Statutory Authority:
						  RCW
						   49.17.010,
						  49.17.040,
						  49.17.050, and
						  49.17.060. WSR 03-10-068, §
						  296-307-45535, filed 5/6/03, effective
						  8/1/03.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Electrical Wiring and Equipment and Sources of Ignition › Section 296-307-45540 - Control ignition sources

Current through Register Vol. 24-14, July 15, 2024
(1)
					 The employer must make sure the vapor areas and adjacent areas do not have any:
(a) Open flames;
(b) Spark producing devices;
(c) Heated surfaces hot enough to ignite
					 vapors.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Electrical Wiring and Equipment and Sources of Ignition › Section 296-307-45545 - Provide safe electrical wiring and equipment where the liquid can drip or splash

Current through Register Vol. 24-14, July 15, 2024
The employer must make sure all electrical wiring and
						equipment in the vapor area is approved for areas that have:
(1) Deposits of easily ignited
					 residue;
(2) Explosive vapor.
Exemption:
This does not apply to wiring that is:
1. In rigid conduit, threaded boxes or
								  fittings;
2. Has no taps, splices, or terminal
								  connections.
Statutory Authority:
						  RCW
						   49.17.010,
						  49.17.040,
						  49.17.050, and
						  49.17.060. 03-10-068, §
						  296-307-45545, filed 5/6/03, effective
						  8/1/03.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Housekeeping › Section 296-307-45550 - Keep the area around dip tanks clear of combustible material and properly dispose of waste

Current through Register Vol. 24-14, July 15, 2024
(1) The
					 employer must make sure the area surrounding dip tanks is:
(a) Completely free of combustible debris;
(b) As free of combustible stock as
					 possible.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Heating Liquid › Section 296-307-45555 - Make sure heating the liquid in dip tanks does not cause a fire

Current through Register Vol. 24-14, July 15, 2024
The employer must keep the temperature of the liquid in
						the dip tank:
(1) Below the liquid's
					 boiling point;
(2) At least
					 100°F below the liquid's autoignition temperature.
Statutory Authority:
						  RCW
						   49.17.010,
						  49.17.040,
						  49.17.050, and
						  49.17.060. WSR 03-10-068, §
						  296-307-45555, filed 5/6/03, effective
						  8/1/03.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Heat Drying › Section 296-307-45560 - Make sure a heating system used for drying objects does not cause a fire

Current through Register Vol. 24-14, July 15, 2024
The employer must make sure the heating system used in a
						drying operation that could cause ignition:
(1) Has adequate mechanical ventilation that
					 operates before and during the drying operation;
(2) Shuts down automatically if a ventilating
					 fan fails to maintain adequate ventilation;
(3) Is installed as required by NFPA 86-1999,
					 Standard for Ovens and Furnaces.
Note:
Some, or all, of the consensus standards (such as
								ANSI and NFPA) may have been revised. If the employer complies with a later
								version of a consensus standard, the employer will be considered to have
								complied with any previous version of the same consensus standard.
Statutory Authority:
						  RCW
						   49.17.010,
						  49.17.040,
						  49.17.050, and
						  49.17.060. WSR 03-10-068, §
						  296-307-45560, filed 5/6/03, effective
						  8/1/03.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Conveyors › Section 296-307-45565 - Make sure conveyor systems are safe

Current through Register Vol. 24-14, July 15, 2024
The employer must make sure the conveyor system shuts
						down automatically if:
(1) The
					 ventilation system fails to maintain adequate ventilation;
OR
(2) There is a fire.
Statutory Authority:
						  RCW
						   49.17.010,
						  49.17.040,
						  49.17.050, and
						  49.17.060. WSR 03-10-068, §
						  296-307-45565, filed 5/6/03, effective
						  8/1/03.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Conveyors › Section 296-307-460 - Additional requirements for dip tanks used for specific processes

Current through Register Vol. 24-14, July 15, 2024
Employer responsibility:
Safeguard employees working with dip tanks used for
						specific processes.
The employer must meet the
								requirements...
in this section:
HARDENING OR TEMPERING
Meet specific requirements if using a hardening or
								tempering tank.
WAC
								296-307-46005
VAPOR DEGREASING
Additional safeguards for vapor degreasing
								tanks.
WAC
								296-307-46025
SPRAY CLEANING OR DEGREASING
Control liquid spray over an open surface cleaning
								or degreasing tank.
WAC
								296-307-46030
Statutory Authority:
						  RCW
						   49.17.010,
						  49.17.040,
						  49.17.050, and
						  49.17.060. 03-10-068, §
						  296-307-460, filed 5/6/03, effective
						  8/1/03.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Hardening or Tempering › Section 296-307-46005 - Meet specific requirements if using a hardening or tempering tank

Current through Register Vol. 24-14, July 15, 2024
(1) The employer
					 must provide an automatic fire extinguishing system or an automatic dip tank
					 cover for any hardening and tempering tank that uses flammable or combustible
					 liquids and:
(a) Holds five hundred gallons
					 (1893 L) or more of liquid;
OR
(b) Has twenty-five square feet (2.37
					 m2) or more of liquid surface area.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Vapor Degreasing › Section 296-307-46025 - Additional safeguards for vapor degreasing tanks

Current through Register Vol. 24-14, July 15, 2024
(1) The employer must make sure, if the tank
					 has a condenser or a vapor-level thermostat, that it keeps the vapor level at
					 least:
(a) Thirty-six inches (91 cm) below
					 the top of the tank if the width of the tank is seventy-two inches or more;
OR
(b) One-half the tank width below the top of
					 the tank if the tank is less than seventy-two inches wide.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Spray Cleaning or Degreasing › Section 296-307-46030 - Control liquid spray over an open surface cleaning or degreasing tank

Current through Register Vol. 24-14, July 15, 2024
The employer must control the spray to the greatest
						extent feasible by:
(1) Enclosing the
					 spraying operation as completely as possible;
(2) Using mechanical ventilation to provide
					 enough inward air velocity to prevent the spray from leaving the vapor area.
Note:
Mechanical baffles may be used to help prevent of
								spray.
Reference:
Spray painting operations are covered in
								Spray-finishing operations, WAC
								296-62-11019.
Statutory Authority:
						  RCW
						   49.17.010,
						  49.17.040,
						  49.17.050, and
						  49.17.060. WSR 03-10-068, §
						  296-307-46030, filed 5/6/03, effective
						  8/1/03.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-3 - Other Hazardous MaterialsDipping and Coating Operations (Dip Tanks) › Spray Cleaning or Degreasing › Section 296-307-465 - Definitions

Current through Register Vol. 24-14, July 15, 2024
ACGIH.
American Conference of Governmental
						Industrial Hygienists.
Adjacent area.
Any area within twenty feet
						(6.1 m) of a vapor area that is not separated from the vapor area by tight
						partitions.
ANSI.
American National Standards
						Institute.
Approved.
Approved or listed by a nationally
						recognized testing laboratory. Refer to Federal Regulation
						29
						C.F.R. 1910.7, for definition of nationally
						recognized testing laboratory.
Autoignition temperature.
The minimum
						temperature required to cause self-sustained combustion without any other
						source of heat.
Combustible liquid.
A liquid having a
						flashpoint of at least 100°F (37.8°C) and below 200°F (93.3°C).
						Mixtures with at least ninety-nine percent of their components having
						flashpoints of 200°F (93.3°C) or higher are not considered combustible
						liquids.
Detearing.
A process for removing excess wet
						coating material from the bottom edge of a dipped or coated object or material
						by passing it through an electrostatic field.
Dip tank.
A container holding a liquid other
						than plain water that is used for dipping or coating. An object may be immersed
						(or partially immersed) in a dip tank or it may be suspended in a vapor coming
						from the tank.
Flammable liquid.
Any liquid having a
						flashpoint below 100°F (37.8°C), except any mixture having components
						with flashpoints of 100°F (37.8°C) or higher, the total of which make
						up ninety-nine percent or more of the total volume of the mixture.
Flashpoint.
The minimum temperature at which
						a liquid gives off a vapor in sufficient concentration to ignite when tested by
						any of the measurement methods described in the definition of flashpoint in WAC
						296-307-55060.
Lower flammable limit.
The lowest
						concentration of a material that will propagate a flame. The LFL is usually
						expressed as a percent by volume of the material in air (or other
						oxidant).
NFPA.
National Fire Protection
						Association.
Vapor area.
Any area in the vicinity of dip
						tanks, their drain boards or associated drying, conveying, or other equipment
						where the vapor concentration could exceed twenty-five percent of the lower
						flammable limit (LFL) for the liquid in the tank.
You
.
The employer.
Statutory Authority:
						  RCW
						   49.17.010,
						  49.17.040,
						  49.17.050, and
						  49.17.060. 03-10-068, §
						  296-307-465, filed 5/6/03, effective
						  8/1/03.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part V - Welding › Section 296-307-475 - Welding, cutting, and brazing

Current through Register Vol. 24-14, July 15, 2024
97-09-013, recodified as § 296-307-475, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-475, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part V - Welding › Section 296-307-47501 - Definitions that apply to this part

Current through Register Vol. 24-14, July 15, 2024
Welder
and
welding
					 operator
.
Any operator of electric or gas welding and
					 cutting equipment.
All other welding terms are defined according to American
					 Welding Society, Terms and Definitions, A3.0-1969.
97-09-013, recodified as § 296-307-47501, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-47501, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part V - Welding › Section 296-307-480 - Installation and operation of oxygen fuel gas systems for welding and cutting

Current through Register Vol. 24-14, July 15, 2024
97-09-013, recodified as § 296-307-480, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-480, filed 10/31/96, effective
						12/1/96.