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 296-307-41011 - Construction and test requirements for containers

Current through Register Vol. 24-14, July 15, 2024
(1) Containers must be designed, constructed,
				  and tested according to the
Rules for Construction of Unfired Pressure
				  Vessels, section VIII, Division 1, American Society of Mechanical Engineers
				  (ASME) Boiler and Pressure Vessel Code
, 1968 edition, unless otherwise
				  specified.
(2) Containers
				  constructed according to the 1949 and earlier editions of the ASME Code are
				  exempt from U-2 through U-10 and U-19 of the code. Containers constructed
				  according to U-70 in the 1949 and earlier editions do not meet the requirements
				  of this section.
(3) Containers
				  designed, constructed, and tested prior to July 1, 1961, according to the
Code for Unfired Pressure Vessels for Petroleum Liquids and
				  Gases
, 1951 edition with 1954 Addenda, of the American Petroleum
				  Institute and the American Society of Mechanical Engineers are considered in
				  compliance. Containers constructed according to API-ASME Code do not have to
				  comply with section I or with the appendix to section I. W-601 through W-606 in
				  the 1943 and earlier editions do not apply.
97-09-013, recodified as § 296-307-41011, 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-41011, 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 296-307-41013 - Welding containers

Current through Register Vol. 24-14, July 15, 2024
(1)
				  The employer must ensure that all welding to the shell, head, or any other part
				  of the container subject to internal pressure, meets the requirements of the
				  code under which the tank was fabricated. The employer may weld on saddle
				  plates, lugs, or brackets attached to the container by the tank
				  manufacturer.
(2) When the employer
				  must repair or modify DOT containers by welding, the employer must return the
				  container to a qualified manufacturer, making containers of the same type, to
				  make the repair or modification according to DOT regulations.
97-09-013, recodified as § 296-307-41013, 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-41013, 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 296-307-41015 - Marking containers

Current through Register Vol. 24-14, July 15, 2024
(1)
				  The employer must ensure that containers are marked according to DOT
				  regulations or with the following:
(a)
				  Indication that the container meets the requirements of the code under which it
				  is constructed, and all marks required by that code.
(b) Indication whether the container is
				  designed for underground or aboveground installation or both. If intended for
				  both and different style hoods are provided, the marking must indicate the
				  proper hood for each type of installation.
(c) The name and address of the supplier of
				  the container, or with the trade name of the container.
(d) The water capacity of the container in
				  pounds or gallons, United States standard.
(e) The pressure in psig, for which the
				  container is designed.
(f) The
				  wording "This container must not contain a product with a vapor pressure
				  greater than psig at 100°F."
(g) The tare weight, for containers with a
				  water capacity of three hundred pounds or less.
(h) Indication of the maximum fill level for
				  liquid at temperatures between 20°F and 130°F. Markings must be in
				  maximum increments of 20°F. This marking may be located on the liquid level
				  gauging device.
Exception:
Containers provided with fixed maximum level
							 indicators or that are filled by weighing are exempt from this
							 requirement.
(i) The outside surface area in square
				  feet.
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 296-307-41017 - Container locations

Current through Register Vol. 24-14, July 15, 2024
The employer must ensure that containers are located
					 according to the following:
(1)
				  Containers and first stage regulating equipment are located outdoors.
Containers may be located indoors under any of the
					 following conditions:
(a) In buildings
				  used exclusively for container charging, vaporization pressure reduction, gas
				  mixing, gas manufacturing, or distribution;
(b) When portable use is necessary and meets
				  the requirements of WAC
				  296-307-41509;
(c) LP-gas fueled stationary or portable
				  engines that meet the requirements of WAC
				  296-307-42521
				  or
				  296-307-42523;
(d) LP-gas fueled industrial trucks that meet
				  the requirements of WAC
				  296-307-42525;
(e) LP-gas fueled vehicles garaged according
				  to WAC
				  296-307-42527;
				  or
(f) Containers awaiting use or
				  resale when stored according to WAC
				  296-307-430.
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 296-307-41019 - Valves and accessories

Current through Register Vol. 24-14, July 15, 2024
(1)
				  Valves, fittings, and accessories connected directly to the container including
				  primary shut-off valves, must have a rated working pressure of at least 250
				  psig and must be of material and design suitable for LP-gas service. The use of
				  cast iron for container valves, fittings, and accessories is prohibited.
				  Container valves may be made of malleable or nodular iron.
(2) Connections to containers must have
				  shut-off valves located as close to the container as practical.
Exception:
This does not apply to safety-relief connections,
							 liquid level gauging devices, and plugged openings.
(3) All required excess flow valves must
				  close automatically at the rated flows of vapor or liquid specified by the
				  manufacturer. The connections, lines, valves, and fittings must have a greater
				  capacity than the rated flow of the excess flow valve.
(4) Liquid level gauging devices that are
				  constructed so that outward flow is a maximum of that passed by a No. 54 drill
				  size opening may be installed without excess flow valves.
(5) Openings from container or through
				  fittings attached directly on container to which pressure gauge connection is
				  made, need not have shut-off or excess flow valves if such openings are
				  restricted to not larger than No. 54 drill size opening.
(6) Required excess flow and back pressure
				  check valves must be located inside the container or outside where the line
				  enters the container. When located outside, the installation must be made to
				  prevent any stress beyond the excess flow or back pressure check valve from
				  causing a break between the container and the valve.
Exception:
This does not apply to systems using containers with a
							 water capacity greater than 2-1/2 pounds (nominal one pound LP-gas
							 capacity).
(7) Excess flow valves must be designed with
				  a bypass that is a maximum of No. 60 drill size opening to allow equalization
				  of pressures.
(8) Containers of
				  more than 30 gallons water capacity and less than 2,000 gallons water capacity,
				  filled on a volumetric basis, and manufactured after December 1, 1963, must be
				  equipped for filling into the vapor space.
97-09-013, recodified as § 296-307-41019, 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-41019, 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 296-307-41021 - Piping, tubing, and fittings

Current through Register Vol. 24-14, July 15, 2024
(1) Pipe must be wrought iron or steel (black
				  or galvanized), brass, copper, or aluminum alloy. Aluminum alloy pipe must be
				  at least Schedule 40 according to the specifications for Aluminum Alloy Pipe,
				  ANSI H38.7-1969 (ASTM, B241-1969), and must be suitably marked at each end of
				  each length indicating compliance with ANSI specifications. Alloy 5456 is
				  prohibited.
Exception:
This does not apply to piping for LP-gas used as a
								motor fuel or to piping on commercial vehicles.
(2) Aluminum alloy pipe must be protected
				  against external corrosion whenever:
(a) It
				  is in contact with dissimilar metals other than galvanized steel; or
(b) Its location is subject to repeated
				  wetting by such liquids as water (except rain water), detergents, sewage, or
				  leaking from other piping; or
(c)
				  It passes through flooring, plaster, masonry, or insulation.
Galvanized sheet steel or pipe, galvanized inside and out,
					 are considered suitable protection.
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 296-307-41023 - Specifications for hoses

Current through Register Vol. 24-14, July 15, 2024
(1)
				  Hose must be fabricated of materials that are resistant to the action of LP-gas
				  in the liquid and vapor phases. If wire braid is used for reinforcing the hose,
				  it must be of corrosion-resistant material such as stainless steel.
(2) Hose subject to container pressure must
				  be marked "LP-gas" or "LPG" at not greater than ten-foot intervals.
(3) Hose subject to container pressure must
				  be designed for a bursting pressure of not less than 1,250 psig.
(4) Hose subject to container pressure must
				  be listed by a nationally recognized testing laboratory.
(5) Hose connections subject to container
				  pressure must be able to withstand, without leaking, a test pressure of not
				  less than 500 psig.
(6) Hose and
				  hose connections on the low-pressure side of the regulator or reducing valve
				  must be designed for a bursting pressure of not less than 125 psig or five
				  times the set pressure of the relief devices protecting that portion of the
				  system, whichever is higher.
(7)
				  Hose may be used on the low-pressure side of regulators to connect to other
				  than domestic and commercial gas appliances under the following conditions:
(a) The appliances connected with hose are
				  portable and need a flexible connection.
(b) For use inside buildings, the hose is of
				  minimum practical length, but is a maximum of six feet. Hose must not extend
				  from one room to another, nor pass through any walls, partitions, ceilings, or
				  floors. Such hose must not be concealed from view or used in a concealed
				  location.
Exception:
For use outside of buildings, the hose may exceed this
							 length but must be kept as short as practical.
(c) The hose must be approved and must not be
				  used where it may be exposed to temperatures above 125°F. The hose must be
				  securely connected to the appliance. Rubber slip ends are prohibited.
(d) The shut-off valve for an appliance
				  connected by hose must be in the metal pipe or tubing and not at the appliance
				  end of the hose. When shut-off valves are installed close to each other,
				  precautions must be taken to prevent operation of the wrong valve.
(e) Hose used for connecting to wall outlets
				  must be protected from physical damage.
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 296-307-41027 - Construction and installation of indirect fired vaporizers

Current through Register Vol. 24-14, July 15, 2024
Indirect fired vaporizers utilizing steam, water, or other
					 heating medium must be constructed and installed according to the
					 following:
(1) Vaporizers must be
				  constructed according to the requirements of WAC
				  296-307-41011
				  and must be permanently marked as follows:
(a)
				  With the code marking signifying the specifications to which the vaporizer is
				  constructed;
(b) With the allowable
				  working pressure and temperature for which the vaporizer is designed;
(c) With the sum of the outside surface area
				  and the inside heat exchange surface area expressed in square feet;
				  and
(d) With the name or symbol of
				  the manufacturer.
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 296-307-41029 - Construction and installation of atmospheric vaporizers

Current through Register Vol. 24-14, July 15, 2024
Atmospheric vaporizers using heat from the ground or
					 surrounding air must be installed as follows:
(1) Buried underground; or
(2) Located inside the building near where
				  the pipe enters the building, if the capacity of the unit does not exceed one
				  quart;
(3) Vaporizers of less than
				  one quart capacity heated by the ground or surrounding air, may be installed
				  without safety-relief valves if tests show that the assembly is safe.
97-09-013, recodified as § 296-307-41029, 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-41029, 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 296-307-41033 - Construction and installation of direct gas-fired tank heaters

Current through Register Vol. 24-14, July 15, 2024
Direct gas-fired tank heaters must be constructed and
					 installed as follows:
(1) Direct
				  gas-fired tank heaters, and tanks to which they are applied, must only be
				  installed aboveground.
(2) Tank
				  heaters must be permanently marked with the name of the manufacturer, the rated
				  Btu input to the burner, and the maximum vaporizing capacity in gallons per
				  hour.
Note:
Tank heaters may be an integral part of a fuel storage
							 container directly connected to the container liquid section, or vapor section,
							 or both.
(3) Tank heaters must have a means for
				  manually turning off the gas to the main burner and pilot.
(4) Tank heaters must have an automatic
				  safety device to shut off the flow of gas to main burners, if the pilot light
				  should fail. When flow through pilot exceeds 2,000 Btu per hour, the pilot also
				  must have an automatic safety device to shut off the flow of gas to the pilot
				  should the pilot flame be extinguished.
(5) Pressure regulating and pressure reducing
				  equipment if located within ten feet of a direct fired tank heater must be
				  separated from the open flame by a substantially airtight non-combustible
				  partition.
(6) The following
				  minimum distances must be maintained between a storage tank heated by a direct
				  fired tank heater and the nearest important building, group of buildings, or
				  line of adjoining property that may be built on:
(a) Ten feet for storage containers of less
				  than 500 gallons water capacity;
(b) Twenty-five feet for storage containers
				  of 500-1,200 gallons water capacity;
(c) Fifty feet for storage containers of over
				  1,200 gallons water capacity.
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 296-307-41035 - Construction and installation of dehydrators

Current through Register Vol. 24-14, July 15, 2024
The vaporizer section of vaporizer-burners used for
					 dehydrators or dryers must be located outdoors; they must be constructed and
					 installed as follows:
(1)
				  Vaporizer-burners must have a minimum design pressure of 250 psig with a factor
				  safety of five.
(2) Manually
				  operated positive shut-off valves must be located at the containers to shut off
				  all flow to the vaporizer-burners.
(3) Minimum distances between storage
				  containers and vaporizer-burners must be as follows:
Water capacity per container
							 (gallons)
Minimum distances (feet)
Less than 501
10
501 to 2,000
25
Over 2,000
50
(4) The vaporizer section of
				  vaporizer-burners must be protected by a hydrostatic relief valve. The relief
				  valve must be located where it is not subjected to temperatures over 140°F.
				  The start-to-discharge pressure setting must protect the components involved,
				  and be at least 250 psig. The discharge must be directed upward and away from
				  component parts of the equipment and away from operating personnel.
(5) Vaporizer-burners must have means for
				  manually turning off the gas to the main burner and pilot.
(6) Vaporizer-burners must have automatic
				  safety devices to shut off the flow of gas to the main burner and pilot in the
				  event the pilot is extinguished.
(7) Pressure regulating and control equipment
				  must be located or protected so that the temperatures surrounding this
				  equipment shall not exceed 140°F.
Exception:
Equipment components may be used at higher
							 temperatures if designed to withstand such temperatures.
(8) Pressure regulating and control equipment
				  when located downstream of the vaporizer must be designed to withstand the
				  maximum discharge temperature of the vapor.
(9) Fusible plugs are prohibited on the
				  vaporizer section of vaporizer-burners.
(10) Vaporizer coils or jackets must be made
				  of ferrous metal or high temperature alloys.
(11) Equipment utilizing vaporizer-burners
				  must have automatic shutoff devices upstream and downstream of the vaporizer
				  section connected so as to operate in the event of excessive temperature, flame
				  failure, and, if applicable, insufficient airflow.
97-09-013, recodified as § 296-307-41035, 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-41035, 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 296-307-41037 - Maximum filling densities

Current through Register Vol. 24-14, July 15, 2024
(1)
Filling density
.
The percent ratio of the weight of
				  the gas in a container to the weight of water the container will hold at
				  60°F. All containers must be filled according to the filling densities
				  shown in Table U-4.
TABLE U-4
MAXIMUM PERMITTED FILLING DENSITY
Specific Gravity at 60°F
							 (15.6°C)
Aboveground containers
0 to 1,200 U.S. gals. (1,000 imp. gal. 4,500
							 liters) total water cap
0 to 1,200 U.S. gals. (1,000 imp.
							 gal. 4,500 liters) total water cap
Underground
							 containers, all capacities
Percent
Percent
Percent
.496-.503
41
44
45
.504-.510
42
45
46
.511-.519
43
46
47
.520-.527
44
47
48
.528-.536
45
48
49
.537-.544
46
49
50
.545-.552
47
50
51
.553-.560
48
51
52
.561-.568
49
52
53
.569-.576
50
53
54
.577-.584
51
54
55
.585-.592
52
55
56
.593-.600
53
56
57
(2) Any container including mobile cargo
				  tanks and portable tank containers regardless of size or construction, shipped
				  under DOT jurisdiction or constructed according to DOT specifications must be
				  charged according to DOT requirements.
(3) Exception: Portable containers not
				  subject to DOT jurisdiction must be filled either by weight, or by volume using
				  a fixed length dip tube gauging device.
97-09-013, recodified as § 296-307-41037, 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-41037, 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 296-307-41039 - LP-gas in buildings

Current through Register Vol. 24-14, July 15, 2024
(1)
				  Vapor may be piped into buildings at pressures over 20 psig only if the
				  buildings or separate areas thereof:
(a) Are
				  constructed according to this section;
(b) Are used exclusively to house equipment
				  for vaporization, pressure reduction, gas mixing, gas manufacturing, or
				  distribution, or to house internal combustion engines, industrial processes,
				  research and experimental laboratories, or equipment and processes using such
				  gas and having similar hazard;
(c)
				  Are buildings, structures, or equipment under construction or undergoing major
				  renovation.
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 296-307-41043 - Training for workers

Current through Register Vol. 24-14, July 15, 2024
Workers performing installation, removal, operation, and
					 maintenance work must be properly trained in that function.
97-09-013, recodified as § 296-307-41043, 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-41043, 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 296-307-41045 - Fire protection for LP-gas installations

Current through Register Vol. 24-14, July 15, 2024
(1) Open flames or other sources of ignition
				  are prohibited in vaporizer rooms (except those housing direct-fired
				  vaporizers), pump-houses, container charging rooms or other similar locations.
				  Direct-fired vaporizers are prohibited in pumphouses or container charging
				  rooms.
Note:
LP-gas storage containers do not require lightning
							 protection. Since LP-gas is contained in a closed system of piping and
							 equipment, the system need not be electrically conductive or electrically
							 bonded for protection against static electricity. (See NFPA No. 77-1972-1973,
							 Recommended Practice for Static Electricity.)
(2) Open flames (except as provided in
				  subsection (1) of this section), cutting or welding, portable electric tools,
				  and extension lights capable of igniting LP-gas, are prohibited within
				  classified areas specified in Table U-5 unless the LP-gas facilities have been
				  freed of all liquid and vapor, or special precautions observed under carefully
				  controlled conditions.
97-09-013, recodified as § 296-307-41045, 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-41045, 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 296-307-41051 - Requirements that apply to appliances

Current through Register Vol. 24-14, July 15, 2024
(1) New commercial and industrial gas
				  consuming appliances must be approved.
Exception:
Any appliance that was originally manufactured for
							 operation with a gaseous fuel other than LP-gas and is in good condition may be
							 used with LP-gas only after it is properly converted, adapted, and tested for
							 performance with LP-gas before the appliance is placed in use.
(2) Unattended heaters used inside buildings
				  for the purpose of animal or poultry production or care must have an approved
				  automatic device designed to shut off the flow of gas to the main burners, and
				  pilot if used, in case the flame goes out.
(3) All commercial, industrial, and
				  agricultural appliances or equipment must be installed according to the
				  requirements of these standards and according to the following:
(a) Domestic and commercial appliances, NFPA
				  54-1969, Standard for the Installation of Gas Appliances and Gas
				  Piping.
(b) Industrial appliances,
				  NFPA 54A-1969, Standard for the Installation of Gas Piping and Gas Equipment on
				  Industrial Premises and Certain Other Premises.
(c) Standard for the Installation and Use of
				  Stationary Combustion Engines and Gas Turbines, NFPA 37-1970.
(d) Standard for the Installation of
				  Equipment for the Removal of Smoke and Grease-Laden Vapors from Commercial
				  Cooking Equipment, NFPA 96-1970.
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 296-307-415 - Cylinder systems

Current through Register Vol. 24-14, July 15, 2024
97-09-013, recodified as § 296-307-415, 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-415, 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 296-307-41501 - Scope

Current through Register Vol. 24-14, July 15, 2024
WAC
					 296-307-415
					 applies to systems using DOT containers. Cylinder systems must meet all
					 requirements of WAC
					 296-307-410
					 (unless otherwise indicated) and the additional requirements of this
					 section.
Statutory Authority:
						RCW
						 49.17.040. 98-24-096, § 296-307-41501,
						filed 12/1/98, effective 3/1/99. 97-09-013, recodified as § 296-307-41501,
						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-41501, 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 296-307-41503 - Cylinder system

Current through Register Vol. 24-14, July 15, 2024
Cylinder system
.
Includes the
					 container base or bracket, containers, container valves, connectors, manifold
					 valve assembly, regulators, and relief valves.
97-09-013, recodified as § 296-307-41503, 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-41503, 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 296-307-41505 - Marking containers used in cylinder systems

Current through Register Vol. 24-14, July 15, 2024
(1) Containers must be marked according to
				  DOT regulations. Additional markings that do not conflict with DOT regulations
				  may be used.
(2) Each container
				  must be marked with its water capacity in pounds or other identified unit of
				  weight.
(3) Exception: If the
				  employer is the only one who fills and maintains the container and if the water
				  capacity of the container is identified by a code, subsection (2) of this
				  section does not apply.
(4) Each
				  container must be marked with its tare weight in pounds or other identified
				  unit of weight including all permanently attached fittings but not the
				  cap.
97-09-013, recodified as § 296-307-41505, 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-41505, 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 296-307-41507 - Additional requirements that apply to cylinder systems installed outdoors

Current through Register Vol. 24-14, July 15, 2024
(1) Containers must
				  not be buried below ground. However, systems may be installed in a compartment
				  or recess below grade level, such as a niche in a slope or terrace wall that is
				  used for no other purpose, if the container and regulating equipment are not in
				  contact with the ground, and the compartment or recess is drained and
				  ventilated horizontally to the outside air from its lowest level, with the
				  outlet at least three feet away from any building opening below the level of
				  the outlet.
(2) Except as provided
				  in WAC
				  296-307-41025(14),
				  the discharge from safety-relief devices must be located at least three feet
				  away from any building opening that is below the level of discharge and must
				  not terminate beneath any building unless the space is well ventilated to the
				  outside and is not enclosed on more than two sides.
(3) Containers must be set on firm foundation
				  or otherwise firmly secured; the possible effect of settling on the outlet
				  piping must be guarded against by a flexible connection or special
				  fitting.
Statutory Authority:
						RCW
						 49.17.040. 98-24-096, § 296-307-41507,
						filed 12/1/98, effective 3/1/99. 97-09-013, recodified as § 296-307-41507,
						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-41507, 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 296-307-41511 - Valves and accessories

Current through Register Vol. 24-14, July 15, 2024
(1)
				  Valves in the assembly of multiple container systems must be arranged so that
				  containers can be replaced without shutting off the flow of gas in the system.
Note:
An automatic changeover device is not required.
(2) Regulators and low-pressure relief
				  devices must be rigidly attached to the cylinder valves, cylinders, supporting
				  standards, the building walls or otherwise rigidly secured and must be
				  installed or protected so that weather will not affect their
				  operation.
(3) Valves and
				  connections to the containers must be protected while in transit, in storage,
				  and while being moved into final use, as follows:
(a) By setting into the recess of the
				  container to prevent the possibility of being struck if the container is
				  dropped on a flat surface; or
(b)
				  By ventilated cap or collar, fastened to the container capable of withstanding
				  a blow from any direction equivalent to that of a 30-pound weight dropped four
				  feet. Construction must ensure that a blow will not be transmitted to the valve
				  or other connection.
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 296-307-41513 - Safety devices for cylinder systems

Current through Register Vol. 24-14, July 15, 2024
(1) Containers must have safety devices as
				  required by DOT regulations.
(2) A
				  final stage regulator of an LP-gas system (excluding any appliance regulator)
				  must have, on the low-pressure side, a relief valve that is set to start to
				  discharge within the limits specified in Table U-7.
TABLE U-7
Regulator delivery pressure
Relief valve start-to-discharge
							 pressure setting (percent of regulator delivery pressure)
Minimum
Maximum
1 psig or less
200
300
Above 1 psig but not over 3 psig
140
200
Above 3 psig
125
200
(3) When a regulator or pressure relief valve
				  is used indoors for other than purposes specified in WAC
				  296-307-41017(1),
				  the relief valve and the space above the regulator and relief valve diaphragms
				  must be vented to the outside air with the discharge outlet located at least
				  three feet horizontally away from any building opening that is below such
				  discharge.
Exception:
This requirement does not apply to individual
							 appliance regulators when protection is otherwise provided, nor to WAC
							 296-307-41509
							 and
							 296-307-41025(14).
							 In buildings devoted exclusively to gas distribution, the space above the
							 diaphragm need not be vented to the outside.
Statutory Authority:
						RCW
						 49.17.040. 98-24-096, § 296-307-41513,
						filed 12/1/98, effective 3/1/99. 97-09-013, recodified as § 296-307-41513,
						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-41513, 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 296-307-41515 - Other requirements that apply to cylinder systems

Current through Register Vol. 24-14, July 15, 2024
(1) Containers must not be reinstalled unless
				  they are requalified according to DOT regulations.
(2) A product must not be placed in a
				  container marked with a service pressure less than four-fifths of the maximum
				  vapor pressure of product at 130°F.
97-09-013, recodified as § 296-307-41515, 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-41515, 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 296-307-420 - Systems using non-DOT containers

Current through Register Vol. 24-14, July 15, 2024
97-09-013, recodified as § 296-307-420, 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-420, 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 296-307-42001 - Scope

Current through Register Vol. 24-14, July 15, 2024
WAC
					 296-307-420
					 applies to systems using storage containers not constructed according to DOT
					 specifications. Non-DOT containers must meet all requirements of WAC
					 296-307-410
					 (unless otherwise indicated) and the additional requirements of this
					 section.
Statutory Authority:
						RCW
						 49.17.040. 98-24-096, § 296-307-42001,
						filed 12/1/98, effective 3/1/99. 97-09-013, recodified as § 296-307-42001,
						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-42001, 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 296-307-42003 - Design and classification of non-DOT containers

Current through Register Vol. 24-14, July 15, 2024
Storage containers must be designed and classified
					 according to Table U-8.
TABLE U-8
Minimum design pressures 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 Code (Par. U-200, U-201); 1950,
							 1952, 1956, 1959, 1962, 1965, and 968 - (Division I) editions of ASME Code; All
							 editions of API-ASME
Code3
801
801
801
1001
100
100
100
125
125
125
125
156
150
150
150
187
175
175
175
219
2002
215
200
250
1 New type 80 storage containers
					 have not been authorized since Dec. 31, 1947.
2 Container type may be
					 increased by increments of 25. The minimum design pressure of containers must
					 be 100% of the container type designations when constructed under 1949 or
					 earlier editions of the 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.
3 Construction of containers
					 under the API-ASME Code is prohibited after July 1, 1961.
97-09-013, recodified as § 296-307-42003, 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-42003, 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 296-307-42005 - Valves and accessories, filler pipes, and discharge pipes for non-DOT containers

Current through Register Vol. 24-14, July 15, 2024
(1)
				  The filling pipe inlet terminal must not be located inside a building. For
				  containers with a water capacity of 125 gallons or more, such terminals must be
				  located at least 10 feet from any building, and preferably at least 5 feet from
				  any driveway, and must have a protective housing.
(2) The filling connection must be fitted
				  with one of the following:
(a) Combination
				  back-pressure check valve and excess flow valve.
(b) One double or two single back-pressure
				  check valves.
(c) A positive
				  shut-off valve in conjunction with either:
(i)
				  An internal back pressure valve; or
(ii) An internal excess flow valve.
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 296-307-42007 - Additional requirements that apply to safety devices for non-DOT containers

Current through Register Vol. 24-14, July 15, 2024
(1)
				  All safety devices must comply with the following:
(a) All container safety-relief devices must
				  be located on the containers.
(b)
				  In industrial and gas manufacturing plants, discharge pipe from safety-relief
				  valves on pipe lines within a building must discharge upward and be piped to a
				  point outside a building.
(c)
				  Safety-relief device discharge terminals must be located to provide protection
				  against physical damage and must be fitted with loose raincaps. Return bends
				  and restrictive pipefittings are prohibited.
(d) If desired, discharge lines from two or
				  more safety-relief devices located on the same unit, or similar lines from two
				  or more different units, may be run into a common discharge header, if the
				  cross-sectional area of the header is at least equal to the sum of the
				  cross-sectional area of the individual discharge lines, and the setting of
				  safety-relief valves are the same.
(e) Each storage container of over 2,000
				  gallons water capacity must have a suitable pressure gauge.
(f) A final stage regulator of an LP-gas
				  system (excluding any appliance regulator) must have, on the low-pressure side,
				  a relief valve that is set to start to discharge within the limits specified in
				  Table U-7.
(g) When a regulator or
				  pressure relief valve is installed indoors, the relief valve and the space
				  above the regulator and relief valve diaphragms must be vented to the outside
				  air with the discharge outlet located not less than 3 feet horizontally away
				  from any opening into the building that is below such discharge.
Exception:
This requirement does not apply to individual
							 appliance regulators already protected. In buildings devoted exclusively to gas
							 distribution, the space above the diaphragm need not be vented to the
							 outside.
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 296-307-42009 - Reinstallation of non-DOT containers

Current through Register Vol. 24-14, July 15, 2024
Containers may be reinstalled if they are free from harmful
					 external corrosion or other damage. Where containers are reinstalled
					 underground, the corrosion resistant coating must be put in good condition.
					 Where containers are reinstalled aboveground, the safety devices and gauging
					 devices must meet all requirements for aboveground
					 containers.
97-09-013, recodified as § 296-307-42009, 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-42009, 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 296-307-42011 - Maximum capacity for non-DOT containers

Current through Register Vol. 24-14, July 15, 2024
A non-DOT storage container must have a maximum 90,000
					 gallons water capacity.
97-09-013, recodified as § 296-307-42011, 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-42011, 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 296-307-42013 - Installing non-DOT containers

Current through Register Vol. 24-14, July 15, 2024
(1) Containers installed aboveground must
				  have substantial masonry or noncombustible structural supports on firm masonry
				  foundation, unless otherwise indicated.
(2) Aboveground containers must be supported
				  as follows:
(a) Horizontal containers must be
				  mounted on saddles that permit expansion and contraction. Structural metal
				  supports may be used when they are protected against fire. Suitable means of
				  preventing corrosion must be provided on that portion of the container in
				  contact with the foundations or saddles.
(b) Containers of 2,000 gallons water
				  capacity or less may be installed with nonfireproofed ferrous metal supports if
				  mounted on concrete pads or footings, and if the distance from the outside
				  bottom of the container shell to the concrete pad, footing, or the ground is a
				  maximum of 24 inches.
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 296-307-42015 - Protecting non-DOT containers

Current through Register Vol. 24-14, July 15, 2024
(1) Valves, regulating, gauging, and other
				  container accessory equipment must be protected against tampering and physical
				  damage. Such accessories must also be protected during the transit of
				  containers intended for installation underground.
(2) On underground or combination
				  aboveground-underground containers, the service valve handwheel, the terminal
				  for connecting the hose, and the opening through which there can be a flow from
				  safety-relief valves must be at least 4 inches above the container and this
				  opening must be located in the dome or housing. Underground systems must be
				  installed so that all openings, including the regulator vent, are located above
				  the normal maximum water table.
(3)
				  All connections to the underground containers must be located within a
				  substantial dome, housing, or manhole, with access protected by a substantial
				  cover.
97-09-013, recodified as § 296-307-42015, 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-42015, 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 296-307-42017 - Non-DOT containers in industrial plants

Current through Register Vol. 24-14, July 15, 2024
General provisions applicable to systems in industrial
					 plants (of 2,000 gallons water capacity and more) and to bulk filling
					 plants.
(1) When standard watch
				  service is provided, it must be extended to the LP-gas installation and
				  personnel must be properly trained.
(2) If loading and unloading are normally
				  done during the night, adequate lights must be provided to illuminate storage
				  containers, control valves, and other equipment.
(3) Suitable roadways or means of access for
				  extinguishing equipment such as wheeled extinguishers or fire department
				  apparatus must be provided.
(4) To
				  minimize trespassing or tampering, the area that includes container
				  accessories, pumping equipment, loading and unloading facilities, and
				  cylinder-filling facilities must be enclosed with at least a 6-foot-high
				  industrial fence unless otherwise adequately protected. There must be at least
				  two means of emergency access.
97-09-013, recodified as § 296-307-42017, 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-42017, 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 296-307-42019 - Container-charging plants

Current through Register Vol. 24-14, July 15, 2024
(1) The
				  container-charging room must be located at least:
(a) Ten feet from bulk storage
				  containers.
(b) Twenty-five feet
				  from line of adjoining property that may be built on.