reglab/statecodes huggingface dataset:
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-38006 - General protective equipment and tools

Current through Register Vol. 24-14, July 15, 2024
(1) When working near exposed energized
				  conductors or circuit parts, each employee must use insulated tools or handling
				  equipment if the tools or handling equipment might make contact with such
				  conductors or parts. If the insulating capability of insulated tools or
				  handling equipment is subject to damage, the insulating material must be
				  protected.
(2) Ropes and handlines
				  used near exposed energized parts must be nonconductive.
(3) Protective shields, protective barriers,
				  or insulating materials must be used to protect each employee from shock,
				  burns, or other electrically related injuries while that employee is working
				  near exposed energized parts that might be accidentally contacted or where
				  dangerous electric heating or arcing might occur. When normally enclosed live
				  parts are exposed for maintenance or repair, they must be guarded to protect
				  unqualified persons from contact with the live parts.
(4) Altering techniques must be used to warn
				  and protect employees from hazards that could cause injury due to electric
				  shock, burns, or failure of electric equipment parts.
(5) Safety signs, safety symbols, or accident
				  prevention tags must be used where necessary to warn employees about electrical
				  hazards that may endanger them, as required by WAC
				  296-307-330.
Statutory Authority:
						RCW
						 49.17.040. 98-24-096, § 296-307-38006,
						filed 12/1/98, effective 3/1/99. 97-09-013, recodified as § 296-307-38006,
						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-38006, 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 › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-38009 - Manufacturing and marking requirements that apply to electrical protective devices

Current through Register Vol. 24-14, July 15, 2024
Insulating blankets, matting, covers, line hose, gloves,
					 and sleeves made of rubber must meet the following manufacture and marking
					 requirements:
(1) Blankets, gloves,
				  and sleeves must be produced by a seamless process.
(2) Each item must be clearly marked as
				  follows:
(a) All classified equipment must be
				  marked with its class number.
(b)
				  Nonozone-resistant equipment other than matting must be marked Type
				  I.
(c) Ozone-resistant equipment
				  other than matting must be marked Type II.
(d) Other relevant markings, such as the
				  manufacturer's identification and the size of the equipment, may also be
				  provided.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-38012 - Electrical requirements that apply to electrical protective devices

Current through Register Vol. 24-14, July 15, 2024
Insulating blankets, matting, covers, line hose, gloves,
					 and sleeves made of rubber must meet the following electrical
					 requirements:
(1) Equipment must be
				  capable of withstanding the a-c proof-test voltage specified in Table 1 or the
				  d-c proof-test voltage specified in Table 2.
(a) The proof-test must reliably indicate
				  that the equipment can withstand the voltage involved.
(b) The test voltage must be applied
				  continuously for three minutes for equipment other than matting and must be
				  applied continuously for one minute for matting.
(c) Gloves must also be capable of
				  withstanding the a-c proof-test voltage specified in Table 1 after a
				  sixteen-hour water soak.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-38015 - Workmanship and finish requirements that apply to electrical protective devices

Current through Register Vol. 24-14, July 15, 2024
Insulating blankets, matting, covers, line hose, gloves,
					 and sleeves made of rubber must meet the following workmanship and finish
					 requirements:
(1) Equipment must be
				  free of harmful physical irregularities that can be detected by the tests or
				  inspections required in WAC
				  296-307-38012.
(2) Surface irregularities that may be
				  present on all rubber goods because of imperfections on forms or molds or
				  because of inherent difficulties in the manufacturing process and that may
				  appear as indentations, protuberances, or imbedded foreign material are
				  acceptable if:
(a) The indentation or
				  protuberance blends into a smooth slope when the material is
				  stretched.
(b) Foreign material
				  remains in place when the insulating material is folded and stretches with the
				  insulating material surrounding it.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-1 - Hazardous Materials - Anhydrous Ammonia › Section 296-307-400 - Anhydrous ammonia

Current through Register Vol. 24-14, July 15, 2024
97-09-013, recodified as § 296-307-400, 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-400, 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-1 - Hazardous Materials - Anhydrous Ammonia › Section 296-307-40001 - Scope

Current through Register Vol. 24-14, July 15, 2024
WAC
					 296-307-400
					 covers the transportation and application of anhydrous
					 ammonia.
Statutory Authority:
						RCW
						 49.17.040. 98-24-096, § 296-307-40001,
						filed 12/1/98, effective 3/1/99. 97-09-013, recodified as § 296-307-40001,
						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-40001, 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-1 - Hazardous Materials - Anhydrous Ammonia › Section 296-307-40003 - Definitions that apply to this section

Current through Register Vol. 24-14, July 15, 2024
Certified
.
The equipment has been
					 tested by a nationally recognized testing laboratory and meets nationally
					 recognized standards or is safe for a specific use; or is a kind whose
					 production is periodically inspected by a nationally recognized testing
					 laboratory, and bears identification of certification.
DOT
.
The Federal Department of
					 Transportation.
DOT container
.
A container
					 constructed according to the requirements of 49 C.F.R. chapter 1.
DOT cylinder
.
A cylinder that
					 meets the requirements of 49 C.F.R. chapter I.
Labeled
.
The equipment has an
					 attached label, symbol, or other identifying mark of a nationally recognized
					 testing laboratory that makes periodic inspections of the production of such
					 equipment, and the label indicates compliance with nationally recognized
					 standards or tests.
97-09-013, recodified as § 296-307-40003, 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-40003, 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-1 - Hazardous Materials - Anhydrous Ammonia › Section 296-307-40005 - Storage and handling of anhydrous ammonia

Current through Register Vol. 24-14, July 15, 2024
(1) All employees must use at least gloves
				  and goggles and may supplement with a face shield while working on or with
				  charged anhydrous ammonia equipment.
(2) The employer must ensure that equipment
				  is inspected before each day's work. Conditions that would contribute to leaks
				  must be corrected.
(3) Hose
				  end-valves must be closed when not in use to prevent accidental discharge in
				  case the main valve is opened.
(4)
				  Relief and vapor valves must discharge away from the operator's working
				  position.
Statutory Authority:
						RCW
						 49.17.040. 98-24-096, § 296-307-40005,
						filed 12/1/98, effective 3/1/99. 97-09-013, recodified as § 296-307-40005,
						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-40005, 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-1 - Hazardous Materials - Anhydrous Ammonia › Section 296-307-40007 - Systems mounted on farm wagons (implements of husbandry) for the transportation of ammonia

Current through Register Vol. 24-14, July 15, 2024
All anhydrous ammonia containers with a capacity of 3,000
					 gallons or less and equipment mounted on farm wagons (implements of husbandry)
					 that is used to transport ammonia must meet the requirements of this
					 section.
WAC
					 296-307-40011
					 through
					 296-307-40037
					 also apply unless otherwise noted.
(1)
				  Containers must meet the following mounting requirements:
(a) The farm wagon or container has a stop so
				  the container does not dislodge from its mounting when a farm wagon stops
				  suddenly.
(b) The container is
				  anchored to the farm wagon at one or more places on each side of the
				  container.
(c) The weight of
				  containers mounted on four-wheel farm wagons, is distributed evenly over both
				  axles.
(d) When the cradle and the
				  container are not welded together, material between them eliminates
				  metal-to-metal friction.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-1 - Hazardous Materials - Anhydrous Ammonia › Section 296-307-40009 - Systems mounted on farm wagons (implements of husbandry) for the application of ammonia

Current through Register Vol. 24-14, July 15, 2024
This section applies to systems mounted on farm equipment
					 that are used for the field application of ammonia.
WAC
					 296-307-40011
					 through
					 296-307-40037
					 also apply unless otherwise noted.
(1)
				  All containers must be securely mounted.
(2) Container valves and accessories must
				  meet the following requirements:
(a) Each
				  container has a fixed maximum liquid-level gauge.
(b) The filling connection is fitted with one
				  of the following:
(i) A combination
				  back-pressure check valve and excess-flow valve; or
(ii) One double or two single back-pressure
				  check valves; or
(iii) A positive
				  shut-off valve that has either an internal back-pressure check valve or an
				  internal excess flow valve.
(c) An excess-flow valve is not required in
				  the vapor connection if the controlling orifice is a maximum of 7/16 inch in
				  diameter and the valve is a hand-operated shut-off valve. To assist in filling
				  applicator tanks, the employer may bleed vapors to the open air, if this
				  requirement is met.
(d) Metering
				  devices may be connected directly to the tank withdrawal valve. The employer
				  may use a union type connection between the tank valve and metering device. The
				  employer may use remote mounting of metering devices if the hose meets the
				  requirements of Appendix B. When the applicator tank is trailed and the
				  metering device is remotely mounted, such as on the tractor tool bar, the
				  employer must use an automatic breakaway type, self-closing coupling.
(e) No excess-flow valve is required in the
				  liquid withdrawal line if the controlling orifice between the contents of the
				  container and the outlet of the shut-off valve is a maximum of 7/16 inch in
				  diameter.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-1 - Hazardous Materials - Anhydrous Ammonia › Section 296-307-40011 - Approved anhydrous ammonia equipment

Current through Register Vol. 24-14, July 15, 2024
All equipment must be approved by one of the following
					 methods:
(1) The equipment was
				  installed before February 8, 1973, and was approved and tested, and installed
				  according to either the requirements of the American National Standard for the
				  Storage and Handling of Anhydrous Ammonia, K61. 1, or the Fertilizer Institute
				  Standards for the Storage and Handling of Agricultural Anhydrous Ammonia, M-1,
				  in effect at the time of installation; or
(2) The equipment is accepted, or certified,
				  or listed, or labeled, or otherwise determined to be safe by a nationally
				  recognized testing laboratory; or
(3)
(a) The
				  equipment is a type that no nationally recognized testing laboratory accepts,
				  certifies, lists, labels, or determines to be safe; and
(b) The equipment is inspected or tested by
				  an authority responsible for enforcing occupational safety provisions of a law,
				  code, or regulation pertaining to the storage, handling, transport, and use of
				  anhydrous ammonia; and
(c) The
				  equipment is found in compliance with either the requirements of the American
				  National Standard for the Storage and Handling of Anhydrous Ammonia, K61. 1, or
				  the Fertilizer Institute Standards for the Storage and Handling of Agricultural
				  Anhydrous Ammonia, M-1, in effect at the time of installation; or
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-1 - Hazardous Materials - Anhydrous Ammonia › Section 296-307-40013 - Construction, original test, and requalification of nonrefrigerated containers

Current through Register Vol. 24-14, July 15, 2024
The code is the Unfired Pressure Vessel Code of the
					 American Society of Mechanical Engineers (Section VIII of the ASME Boiler
					 Construction Code), 1952, 1956, 1959, 1962, 1965, 1968 and 1971 editions, the
					 joint code of the American Petroleum Institute and the American Society of
					 Mechanical Engineers (API-ASME Code) 1951 edition, and amendments or later
					 editions, as adopted.
(1) Containers
				  used with systems covered in WAC
				  296-307-40005
				  and
				  296-307-40007
				  must be constructed and tested according to the code.
Exception:
Construction under Table UW-12 at a basic joint
							 efficiency of under 80% is prohibited. Containers built according to code are
							 exempt from paragraphs UG-125 to UG-128, inclusive, and paragraphs UG-132 and
							 UG-133 of the code.
Note:
This subsection allows the continued use or
							 reinstallation of containers constructed and maintained according to the 1949,
							 1950, 1952, 1956, 1959, 1962, 1965 and 1968 editions of the Unfired Pressure
							 Vessel Code of the ASME or any revisions thereof in effect at the time of
							 fabrication.
(2) Containers more than 36 inches in
				  diameter or 250 gallons water capacity must be constructed to meet one or more
				  of the following requirements:
(a) Containers
				  must be stress relieved after fabrication according to the code; or
(b) Cold-formed heads, when used, must be
				  stress relieved; or
(c) Hot-formed
				  heads must be used.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-1 - Hazardous Materials - Anhydrous Ammonia › Section 296-307-40015 - Marking nonre-frigerated containers and systems (other than DOT containers)

Current through Register Vol. 24-14, July 15, 2024
(1)
				  System nameplates, when required, must be permanently attached to the system so
				  they are readily accessible for inspection.
(2) Each container or system covered in WAC
				  296-307-40005
				  and
				  296-307-40007
				  must be marked as follows:
(a) With
				  indication that the container or system meets the requirements of the code
				  under which the container is constructed.
(b) With indication on the container and
				  system name-plate when the system is designed for underground
				  installation.
(c) With the name and
				  address of the supplier of the container or the trade name of the container and
				  with the date of fabrication.
(d)
				  With the water capacity of the container in pounds at 60°F or gallons,
				  United States standard.
(e) With
				  the design pressure in pounds per square inch gauge.
(f) With the wall thickness of the shell and
				  heads.
(g) With indication of the
				  maximum fill level for liquid anhydrous ammonia between 20°F and 100°F.
				  Markings must be in increments of not more than 20°F.
Exception:
Containers with fixed maximum level indicators, such
							 as fixed length dip tubes, or containers that are filled by weight are exempt
							 from this requirement.
(h) With the outside surface area in square
				  feet.
(i) With minimum temperature
				  in Fahrenheit for which the container is designed.
(j) The marking must be on the container
				  itself or on a permanently attached nameplate.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-1 - Hazardous Materials - Anhydrous Ammonia › Section 296-307-40017 - Locations for anhydrous ammonia containers

Current through Register Vol. 24-14, July 15, 2024
(1) When selecting the location for a storage
				  container, the employer must take into account the physiological effects of
				  ammonia and adjacent fire hazards. Containers located indoors must be in areas
				  especially approved for container storage.
(2) Containers must be located at least fifty
				  feet from a dug well or other sources of potable water supply, unless the
				  container is a part of a water treatment installation.
(3) Permanent storage containers must be
				  located outside densely populated areas.
(4) Containers must be located according to
				  the following:
Minimum distances (feet) from container to:
Nominal capacity of container
Line of adjoining property that may be built upon,
								highways & main line of railroad
Place of public
Institution assembly occupancy
Over 500 to 2,000
25
150
250
Over 2,000 to 30,000
50
300
500
Over 30,000 to 100,000
50
450
750
Over 100,000
50
600
1,000
(5) Storage areas must be kept free of
				  readily ignitable materials such as waste, weeds and long dry grass.
97-09-013, recodified as § 296-307-40017, 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-40017, 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-1 - Hazardous Materials - Anhydrous Ammonia › Section 296-307-40019 - Container accessories

Current through Register Vol. 24-14, July 15, 2024
(1)
				  All accessories must be designed for at least the maximum working pressure of
				  the part of the system on which they are installed. All accessories must be
				  fabricated from materials suitable for anhydrous ammonia service.
(2) All connections to containers must have
				  shut-off valves located as close to the container as practical.
Exception:
Safety-relief devices, gauging devices, or those
							 fitted with a No. 54 drill size orifice are exempt from this requirement.
(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 require
				  bleeding to the atmosphere and 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 the container or through fittings attached directly on container to which
				  pressure gauge connections are made may be installed without excess flow valves
				  if the openings are a maximum of No. 54 drill size.
(6) Required excess flow and back pressure
				  check valves must be located inside the container or outside as close as
				  practical to 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.
(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) Shut-off valves provided with an excess
				  flow valve must be designed for proper installation in a container connection
				  so that the excess flow valve will close if the shut-off valve
				  breaks.
(9) All excess flow valves
				  must be plainly and permanently marked with the name or trademark of the
				  manufacturer, the catalog number, and the rated capacity.
97-09-013, recodified as § 296-307-40019, 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-40019, 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-1 - Hazardous Materials - Anhydrous Ammonia › Section 296-307-40021 - Piping, tubing, and fittings

Current through Register Vol. 24-14, July 15, 2024
(1) All piping, tubing and fittings must be
				  made of material suitable for anhydrous ammonia service.
(2) All piping, tubing and fittings must be
				  designed for a pressure of at least the maximum pressure to which they may be
				  subjected in service.
(3) All
				  piping must be well supported and allow for expansion and contraction. All
				  refrigeration system piping must conform to the Refrigeration Piping Code (ANSI
				  B31. 5 1966 addenda B31. 1a-1968), a section of the American Standard Code for
				  Pressure Piping, as it applies to ammonia.
(4) Piping used on nonrefrigerated systems
				  must meet the requirements of ASTM A-53-1969 Grade B Electric Resistance Welded
				  and Electric Flash Welded Pipe. Pipe must be at least Schedule 40 when joints
				  are welded, or welded and flanged. Pipe must be at least Schedule 80 when
				  joints are threaded. Brass, copper, or galvanized steel pipe or tubing is
				  prohibited.
(5) All metal flexible
				  connections for permanent installations must have a minimum working pressure of
				  250 psig (safety factor of 4). For temporary installations, the employer may
				  use hose that meets the requirements of WAC
				  296-307-40023.
(6) Cast iron fittings are prohibited. The
				  employer must use fittings made especially for ammonia service of malleable or
				  nodular iron that meet the requirements of Specification ASTM A47 or ASTM
				  A395.
(7) All piping, tubing, and
				  fittings must allow for expansion, contraction, jarring, vibration, and
				  settling.
(8) The employer must
				  make adequate provision to protect all exposed piping from physical damage from
				  moving machinery, the presence of automobiles or trucks, or other strain on the
				  piping.
(9) Joint compounds must be
				  resistant to ammonia.
(10) After
				  assembly, all piping and tubing must be tested and proved to be free from leaks
				  at pressure that is at least equal to the normal operating pressure of the
				  system.
Statutory Authority:
						RCW
						 49.17.040. 98-24-096, § 296-307-40021,
						filed 12/1/98, effective 3/1/99. 97-09-013, recodified as § 296-307-40021,
						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-40021, 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-1 - Hazardous Materials - Anhydrous Ammonia › Section 296-307-40023 - Specifications for hoses

Current through Register Vol. 24-14, July 15, 2024
(1)
				  Hose used in ammonia service and subject to container pressure must meet the
				  requirements of the joint Rubber Manufacturers Association and the Fertilizer
				  Institute "Hose Specifications for Anhydrous Ammonia."
(2) Hose subject to container pressure must
				  be designed for a minimum working pressure of 350 psig and a minimum burst
				  pressure of 1750 psig. Hose assemblies must be able to withstand a test
				  pressure of 500 psig.
(3) Hose and
				  hose connections on the low pressure side of flow control or pressure reducing
				  valves on devices discharging to atmospheric pressure must be designed for the
				  maximum low side working pressure. All connections must be designed,
				  constructed, and installed to prevent leaks when connected.
(4) Where liquid transfer hose is not drained
				  after transfer operations, the hose must have an approved shut-off valve at the
				  discharge end. The employer must provide a method to prevent excessive
				  hydrostatic pressure in the hose. (See WAC
				  296-307-40025.)
(5) On all hose 1/2-inch outside diameter and
				  larger, used for the transfer of anhydrous ammonia liquid or vapor, the
				  employer must ensure that the following information is etched, cast, or
				  impressed at five-foot intervals:
(a)
				  Anhydrous ammonia;
(b) xxx psig
				  (maximum working pressure);
(c)
				  Manufacturer's name or trademark;
(d) Year of manufacture.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-1 - Hazardous Materials - Anhydrous Ammonia › Section 296-307-40025 - Safety-relief devices

Current through Register Vol. 24-14, July 15, 2024
(1) Every
				  container used in systems covered by WAC
				  296-307-400
				  must have one or more spring-loaded safety-relief valves or the
				  equivalent.
(2) The discharge from
				  safety-relief valves must be vented away from the container, upward, and
				  unobstructed to the atmosphere. All safety-relief valve discharge openings must
				  have suitable raincaps that allow free discharge of the vapor and prevent water
				  from entering. The employer must provide a method to drain condensate. The rate
				  of discharge must be as follows:
Surface
Area sq.
ft.
Flow Rate CFM Air
Surface
Area sq.
ft.
Flow Rate CFM Air
Surface
Area sq.
ft.
Flow Rate CFM Air
20
258
185
1,600
900
5,850
25
310
190
1,640
950
6,120
30
360
195
1,670
1,000
6,380
35
408
200
1,710
1,050
6,640
40
455
210
1,780
1,100
6,900
45
501
220
1,850
1,150
7,160
50
547
230
1,920
1,200
7,410
55
591
240
1,980
1,250
7,660
60
635
250
2,050
1,300
7,910
65
678
260
2,120
1,350
8,160
70
720
270
2,180
1,400
8,410
75
762
280
2,250
1,450
8,650
80
804
290
2,320
1,500
8,900
85
845
300
2,380
1,550
9,140
90
885
310
2,450
1,600
9,380
95
925
320
2,510
1,650
9,620
100
965
330
2,570
1,700
9,860
105
1,010
340
2,640
1,750
10,090
110
1,050
350
2,700
1,800
10,330
115
1,090
360
2,760
1,850
10,560
120
1,120
370
2,830
1,900
10,800
125
1,160
380
2,890
1,950
11,030
130
1,200
390
2,950
2,000
11,260
135
1,240
400
3,010
2,050
11,490
140
1,280
450
3,320
2,100
11,720
145
1,310
500
3,620
2,150
11,950
150
1,350
550
3,910
2,200
12,180
155
1,390
600
4,200
2,250
12,400
160
1,420
650
4,480
2,300
12,630
165
1,460
700
4,760
2,350
12,850
170
1,500
750
5,040
2,400
13,080
175
1,530
800
5,300
2,450
13,300
180
1,570
850
5,590
2,500
13,520
Surface area = total outside surface area of container in
					 square feet. When the surface area is not stamped on the name plate or when the
					 marking is not legible, calculate the area with one of the following
					 formulas:
(a) Hemispherical heads:
				  Area = (Length in feet) X (outside diameter in feet) X 3.1416.
(b) Other than hemispherical heads: Area =
				  (Length in feet) + (0.3 outside diameter in feet) X (outside diameter in feet)
				  X 3.1416.
(c) Spherical container:
				  Area = (outside diameter in feet)2 X
				  3.1416.
(d) Flow rate: CFM air =
				  cubic feet per minute of air required at standard conditions, 60F and
				  atmospheric pressure (14.7 psia).
For containers with total outside surface area greater than
					 2,500 sq. ft., the formula is: Flow rate CFM air = 22.11 A0.82 where A =
					 outside surface area of the container in square feet.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-1 - Hazardous Materials - Anhydrous Ammonia › Section 296-307-40027 - Emergency precautions when handling anhydrous ammonia

Current through Register Vol. 24-14, July 15, 2024
(1) The employer must train employees
				  required to handle ammonia in the safe operating practices and the proper
				  action to take in an emergency. Employees must be instructed to use the
				  equipment listed in subsection (3) of this section in an emergency.
(2) If ammonia system leaks, the employees
				  trained for and designated to act in emergencies must:
(a) See that anyone not required to deal with
				  an emergency is evacuated from the contaminated area.
(b) Have two suitable gas masks in readily
				  accessible locations. Full face masks with ammonia canisters as certified by
				  NIOSH under 42 C.F.R. Part 84, are suitable for emergency action for most
				  leaks, particularly those that occur outdoors. For protection in concentrated
				  ammonia atmospheres, self-contained breathing apparatus is required.
(c) Wear gauntlet type plastic or rubber
				  gloves and wear plastic or rubber suits in heavily contaminated
				  atmospheres.
(d) Shut off the
				  appropriate valves.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-1 - Hazardous Materials - Anhydrous Ammonia › Section 296-307-40029 - Filling densities

Current through Register Vol. 24-14, July 15, 2024
Filling density means the percent ratio of the weight of
					 the gas in a container to the weight of water at 60°F that the container
					 will hold. One pound of water equals 27.737 cubic inches at 60°F. To
					 determine the weight capacity of the tank in pounds, the weight of a gallon
					 (231 cubic inches) of water at 60°F in air must be 8.32828 pounds.
(1) The filling densities for nonrefrigerated
				  containers must not exceed the following:
Aboveground
Underground
(i) Uninsulated
56%
58%
(ii) Insulated
57%
(iii) DOT
				  containers must be filled according to DOT regulations.
This corresponds to 82% by volume at -28°F, 85% by
					 volume at 5°F, 87.5% by volume at 30°F, and 90.6% by volume at
					 60°F.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-1 - Hazardous Materials - Anhydrous Ammonia › Section 296-307-40031 - Transfer of liquids

Current through Register Vol. 24-14, July 15, 2024
(1)
				  Anhydrous ammonia must always be at a temperature suitable for the material of
				  construction and design of the receiving containers. Ordinary steels are not
				  suitable for refrigerated ammonia. See Appendix R of API Standard 620
				  "Recommended Rules for Design and Construction of Large Welded Low-Pressure
				  Storage Tanks" for materials for low temperature service.
(2) At least one attendant must supervise the
				  transfer of liquids from the time the connections are first made until they are
				  finally disconnected.
(3) Flammable
				  gases or gases that will react with ammonia (such as air) must not be used to
				  unload tank cars or transport trucks.
(4) Containers must be charged or used only
				  on authorization of the owner.
(5)
				  Containers must be gauged and charged only in the open atmosphere or in
				  buildings approved for that purpose.
(6) Pumps used for transferring ammonia must
				  be recommended and labeled for ammonia service by the manufacturer.
(a) Pumps must be designed for at least 250
				  psig working pressure.
(b) Positive
				  displacement pumps must have installed, off the discharge port, a constant
				  differential relief valve discharging into the suction port of the pump through
				  a line large enough to carry the full capacity of the pump at relief valve
				  setting. The setting and installation must be according to the pump
				  manufacturer's recommendations.
(c)
				  On the discharge side of the pump, before the relief valve line, there must be
				  a pressure gauge graduated from 0 to 400 psig installed.
(d) Plant piping must contain shut-off valves
				  located as close as practical to pump connections.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › SPECIALIZED OPERATIONS › Part U-1 - Hazardous Materials - Anhydrous Ammonia › Section 296-307-40033 - Tank car unloading points and operations

Current through Register Vol. 24-14, July 15, 2024
(1) Provisions for unloading tank cars must
				  meet DOT requirements.
(2)
				  Unloading operations must be performed by reliable employees who are properly
				  instructed and responsible for careful compliance with all
				  procedures.
(3) Caution signs must
				  be placed on the track or car to give necessary warning to anyone approaching
				  car from the open end of the siding. The signs must be left up until after car
				  is unloaded and disconnected from discharge connections. Signs must be of metal
				  or other suitable material, at least 12 by 15 inches, and bear the words
				  "STOP-Tank car connected" or "STOP-Men at work." The word "STOP" must be in
				  letters at least four inches high and the other words in letters at least two
				  inches high. The letters must be white on a blue background.
(4) The track of a tank car siding must be
				  substantially level.
(5) Brakes
				  must be set and wheels blocked on all cars being unloaded.
(6) Tank cars of anhydrous ammonia must be
				  unloaded only at approved locations meeting the requirements of WAC
				  296-307-40025(4)
				 and
				  296-307-40031(8).
Statutory Authority:
						RCW
						 49.17.040. 98-24-096, § 296-307-40033,
						filed 12/1/98, effective 3/1/99. 97-09-013, recodified as § 296-307-40033,
						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-40033, 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-1 - Hazardous Materials - Anhydrous Ammonia › Section 296-307-40035 - Liquid-level gauging device

Current through Register Vol. 24-14, July 15, 2024
(1)
				  Each container except those filled by weight must have an approved liquid-level
				  gauging device.
(2) All gauging
				  devices must be arranged so that the maximum liquid level to which the
				  container is filled is easily determined.
(3) Gauging devices that require bleeding of
				  the product to the atmosphere such as the rotary tube, fixed tube, and slip
				  tube devices, must be designed so that the maximum opening of the bleed valve
				  is a maximum of No. 54 drill size unless provided with an excess flow
				  valve.
(4) Gauging devices must
				  have a design pressure equal to or greater than the design pressure of the
				  container on which they are installed.
(5) Fixed liquid-level gauges must be
				  designed so that the maximum volume of the container filled by liquid is a
				  maximum of 85% of its water capacity. The coupling into which the fixed
				  liquid-level gauge is threaded must be placed at the 85% level of the
				  container. If located elsewhere, the dip tube of this gauge must be installed
				  so that it cannot be readily removed.
Note:
This does not apply to refrigerated storage.
(6) Columnar gauge glasses must be restricted
				  to stationary storage installation. They must have shut-off valves having
				  metallic hand wheels, excess flow valves, and extra heavy glass adequately
				  protected by a metal housing applied by the gauge manufacturer. They must be
				  shielded against the direct rays of the sun.
97-09-013, recodified as § 296-307-40035, 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-40035, 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-1 - Hazardous Materials - Anhydrous Ammonia › Section 296-307-40037 - Maintenance of aboveground uninsulated containers

Current through Register Vol. 24-14, July 15, 2024
Aboveground uninsulated containers should have a reflective
					 surface maintained in good condition. We recommend white for painted surfaces,
					 but other light reflecting colors are acceptable.
97-09-013, recodified as § 296-307-40037, 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-40037, 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-1 - Hazardous Materials - Anhydrous Ammonia › Section 296-307-40039 - Electrical equipment and wiring

Current through Register Vol. 24-14, July 15, 2024
(1) Electrical equipment and wiring for use
				  in ammonia installations must be general purpose or weather resistant as
				  appropriate.
(2) Where
				  concentrations of ammonia in the air in excess of 16% by volume are likely to
				  be encountered, electrical equipment and wiring must be specified by and
				  installed according to chapter 296-307 WAC Part T, for Class I, Group D
				  locations.
Statutory Authority:
						RCW
						 49.17.040. 98-24-096, § 296-307-40039,
						filed 12/1/98, effective 3/1/99. 97-09-013, recodified as § 296-307-40039,
						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-40039, 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 296-307-410 - Storage and handling of liquefied petroleum gases

Current through Register Vol. 24-14, July 15, 2024
97-09-013, recodified as § 296-307-410, 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-410, 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 296-307-41001 - Scope

Current through Register Vol. 24-14, July 15, 2024
Chapter 296-307 WAC Part U2 covers the storage and handling
					 of liquefied petroleum gases.
The requirements of WAC
					 296-307-410
					 apply to all LP-gas installations covered by this part.
For additional requirements related
							 to:
See WAC:
Cylinder systems
296-307-415
Systems using non-DOT containers
296-307-420
LP-gas as a motor fuel
296-307-425
Storage of containers awaiting use or resale
296-307-430
LP-gas installations on commercial vehicles
296-307-435
LP-gas service stations
296-307-440
Statutory Authority:
						RCW
						 49.17.040. 98-24-096, § 296-307-41001,
						filed 12/1/98, effective 3/1/99. 97-09-013, recodified as § 296-307-41001,
						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-41001, 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 296-307-41003 - LP-gas installations not covered by this part

Current through Register Vol. 24-14, July 15, 2024
(1) This part does not apply to:
(a) LP-gas refrigerated storage
				  systems;
(b) LP-gas used with
				  oxygen;
(c) LP-gas used in utility
				  gas plants (covered by the National Fire Protection Association Standard for
				  the Storage and Handling of Liquefied Petroleum Gases at Utility Gas Plants,
				  NFPA No. 59-1968);
(d) Low-pressure
				  (less than 1/2 pound per square inch or 14 inches water column) LP-gas piping
				  systems, and the installation and operation of residential and commercial
				  appliances supplied through such systems. The National Fire Protection
				  Association Standard for the Installation of Gas Appliances and Gas Piping,
				  NFPA 54-1969 apply to these systems.
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 296-307-41005 - Definitions that apply to this part

Current through Register Vol. 24-14, July 15, 2024
Adequate ventilation
(for fire prevention
					 during normal operation). The concentration of the gas in a gas-air mixture
					 does not exceed 25% of the lower flammable limit.
Containers
.
All vessels, such as
					 tanks, cylinders, or drums, used to transport or store LP-gases.
DOT
.
The federal Department of
					 Transportation.
DOT container
.
A container that
					 meets DOT regulations.
DOT cylinder
.
A cylinder that
					 meets DOT regulations.
DOT
					 regulations/requirements/specifications
.
The DOT
					 regulations of 49 C.F.R. Part 178.
Liquefied petroleum gases
and
LP-gas
.
Any material that is composed mostly of any
					 of the following: Hydrocarbons, or mixtures of them; propane; propylene;
					 butanes (normal butane or iso-butane); and butylenes.
PSIA
.
Pounds per square inch
					 absolute.
PSIG
.
Pounds per square inch
					 gauge.
Systems
.
An assembly of the
					 container or containers, major devices such as vaporizers, safety-relief
					 valves, excess flow valves, regulators, and piping connecting such
					 parts.
Vaporizer-burner
.
An integral
					 vaporizer-burner unit, dependent upon the heat generated by the burner to
					 vaporize the liquid used for dehydrators or dryers.
97-09-013, recodified as § 296-307-41005, 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-41005, 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 296-307-41007 - Odorizing LP-gas

Current through Register Vol. 24-14, July 15, 2024
The employer must ensure that all LP-gas is odorized by an
					 approved agent to indicate by distinct odor, the presence of gas down to
					 concentration in air of a maximum of 1/5 the lower limit of
					 flammability.
Exception:
Odorization is not required if it will create a hazard
							 in further processing, or if it serves no useful purpose as a warning
							 agent.
Note:
The odorization requirement may be met by using 1. 0
							 pounds of ethyl mercaptan, 1. 0 pounds of thiophene, or 1. 4 pounds of amyl
							 mercaptan per ten thousand gallons of LP-gas. The employer may use any odorant
							 and quantity that meets the requirements of this section.
97-09-013, recodified as § 296-307-41007, 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-41007, 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 296-307-41009 - Approval of LP-gas containers and equipment

Current through Register Vol. 24-14, July 15, 2024
(1) Each system of DOT containers must have
				  approved container valves, connectors, manifold valve assemblies, and
				  regulators.
(2) Each non-DOT system
				  using containers of 2,000 gallons or less water capacity, must have a container
				  assembly, one or more regulators, and other necessary parts. The entire system,
				  or the container assembly with the regulators, must be individually listed by a
				  nationally recognized testing laboratory.
Container assembly
.
The container
					 and fittings for all openings, including shut-off vales, excess flow valves,
					 liquid-level gauging devices, safety-relief devices, and protective
					 housing.
(3) In systems
				  using containers of over 2,000 gallons water capacity, each regulator,
				  container, valve, excess flow valve, gauging device, and relief valve, must be
				  listed by a nationally recognized testing laboratory.
(4) All DOT containers must be constructed,
				  tested, and stamped according to the DOT specifications effective at the date
				  of their manufacture.
97-09-013, recodified as § 296-307-41009, 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-41009, filed 10/31/96, effective
						12/1/96.