reglab/statecodes huggingface dataset:
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 82 - Stationary Automatic Acetylene Generators › Section 4803 - Housing of Permanent Stationary Acetylene Generators

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Every stationary generator shall be
						housed in either an outside generator house or an inside generator room or
						compartment constructed according to the requirements of these
						orders.
(b) The space around the
						generator shall be ample for free, unobstructed operation and maintenance and
						shall permit ready adjustment and charging.
1.
						  Amendment filed 5-16-75; effective thirtieth day thereafter (Register 75, No.
						  20).
2. Amendment filed 7-16-76; effective thirtieth day thereafter
						  (Register 76, No. 29).
3. Amendment filed 6-12-87; operative 7-12-87
						  (Register 87, No. 26).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 82 - Stationary Automatic Acetylene Generators › Section 4804 - Outside Generator Houses

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) No
						opening in any outside generator house shall be located within five feet of any
						opening in another house.
(b)
						Outside generator houses shall be of one of the types of fire resistant
						construction listed in Section
						4805(b) or of
						non-combustible construction.
(c)
						Where a part of the house is to be used for the storage or manifolding of
						oxygen cylinders, the space to be so occupied shall be separated from the
						generator and carbide storage sections by partition walls continuous from floor
						to ceiling, of one of the types of construction listed in Section
						4805(b). Such
						separation walls shall be without openings and shall be joined to the floor,
						other walls and ceiling or roof in such manner as to effect a permanently
						gas-tight joint.
(d) Explosion
						venting for outside generator houses and inside generator rooms shall be
						provided in exterior walls or roofs. The venting area shall be equal to but not
						less than 1 square foot per 50 cubic feet of room volume and shall not consist
						of any one or any combination of the following: Walls of light, non-combustible
						material preferably single-thickness, single-strength glass; fastened swinging
						doors in exterior walls opening outward; lightly fastened walls or roof
						designed to relieve at maximum pressure of 25 pounds per square foot.
1.
						  Amendment filed 7-16-76; effective thirtieth day thereafter (Register 76, No.
						  29).
2. Amendment of subdivisions (b)-(d) filed 6-12-87; operative
						  7-12-87 (Register 87, No. 26).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 82 - Stationary Automatic Acetylene Generators › Section 4805 - Inside Generator Rooms or Compartments

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Acetylene Generators shall not be
						installed in buildings exceeding one story in height, unless they are installed
						on the top floor or roof.
(b)
						Generators installed inside buildings shall be enclosed in a separate room. The
						walls, partitions, floors, and ceilings of inside general rooms shall be of
						construction having a fire-resistance rating of at least one-hour.
The walls or partitions shall be continuous from floor
						  to ceiling and shall be securely anchored. At least one wall of the room shall
						  be an external wall.
(c)
						Openings from an inside generator room to other parts of the building shall be
						protected by a swinging type, self-closing fire door for a Class B opening and
						having a rating of a least 1 hour. Windows in partitions shall be wired glass
						and approved metal frames with fixed sash. Installation shall be in accordance
						with the Standard for the Installation of Fire doors and Windows, NFPA
						80-1970.
(d) A portion of the
						exterior walls or roof equal to not less than 10 percent of combined areas of
						the enclosing walls and roof shall be of light, noncombustible material,
						preferably single-strength glass.
1.
						  Amendment of subsection (c) filed 3-2-76; effective thirtieth day thereafter
						  (Register 76, No. 10).
2. Amendment filed 7-16-76; effective
						  thirtieth day thereafter (Register 76, No. 29).
3. Amendment filed
						  6-12-87; operative 7-12-87 (Register 87, No.
						  26).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 82 - Stationary Automatic Acetylene Generators › Section 4806 - Exits

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
In every generator house, room or compartment over 100
						  sq. ft. in floor area, there shall be two readily accessible exits remotely
						  located from each other. At least one exit door shall give direct access to the
						  outside.
1.
						  Amendment filed 7-16-76; effective thirtieth day thereafter (Register 76, No.
						  29).
2. Amendment filed 6-12-87; operative 7-12-87 (Register 87, No.
						  26).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3 Labor
							 Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 82 - Stationary Automatic Acetylene Generators › Section 4807 - Ventilation, Lighting and Heating of Generator Houses or Rooms

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Inside
						generator rooms or outside generator houses shall be well ventilated with vents
						located at floor and ceiling levels.
(b) Heating shall be by steam, hot water,
						enclosed electrically heated elements or other indirect means. Heating by
						flames or fires shall be prohibited in outside generator houses or inside
						generator rooms, or in any enclosure communicating with them.
(c) All generator houses or rooms shall have
						natural lighting during daylight hours. Where artificial lighting is necessary,
						it shall be restricted to electric lamps installed in accordance with
						Electrical Safety Orders for hazardous locations. (Title 8, Section
						2540.1 et seq.)
(d) All electrical equipment in and around an
						acetylene generator house, room or compartment shall be installed in accordance
						with Electrical Safety Orders for hazardous locations.
1.
						  Amendment filed 7-16-76; effective thirtieth day thereafter (Register 76, No.
						  28).
2. Amendment filed 6-12-87; operative 7-12-87 (Register 87, No.
						  26).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 82 - Stationary Automatic Acetylene Generators › Section 4808 - Protection Against Freezing

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
Generators must be placed where water will not freeze.
						  No sodium chloride or other corrosive chemical is permissible as a protection
						  against freezing.
1.
						  Amendment filed 7-16-76; effective thirtieth day thereafter (Register 76, No.
						  29).
2. Amendment filed 6-12-87; operative 7-12-87 (Register 87, No.
						  26).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 82 - Stationary Automatic Acetylene Generators › Section 4809 - Water Supply Connection

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
Water shall not be supplied through a continuous
						  connection to the generator except when the generator is provided with an open
						  overflow or automatic water shutoff which will prevent overfilling of the
						  generator. Where a noncontinuous connection is used, the supply line shall
						  terminate not less than two inches above the opening for filling so that the
						  water can be observed as it enters the generator.
1.
						  Amendment filed 7-16-76; effective thirtieth day thereafter (Register 76, No.
						  29).
2. Amendment filed 6-12-87; operative 7-12-87 (Register 87, No.
						  26).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 82 - Stationary Automatic Acetylene Generators › Section 4810 - Drain Connection

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
Unless otherwise specifically approved, generators
						  shall not be fitted with continuous drain connections leading to sewers but
						  shall discharge through an open connection into a suitably vented outdoor
						  receptacle or residue pit which may have such connections.
NOTE: An open connection for the sludge drawoff is
						  desirable to enable the generator operator to observe leakage of generating
						  water from the drain valve or sludge cock.
1.
						  Amendment filed 7-16-76; effective thirtieth day thereafter (Register 76, No.
						  29).
2. Amendment filed 6-12-87; operative 7-12-87 (Register 87, No.
						  26).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 82 - Stationary Automatic Acetylene Generators › Section 4811 - Generator Escape or Relief Pipes

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Each generating chamber shall be provided
						with an escape or relief pipe, installed without traps so that any condensate
						will drain back into the chamber.
(b) All relief pipes shall be carried to a
						suitable point outside the building and shall terminate in a suitable hood or
						bend located at least 12 feet above the ground and at least three feet from
						combustible construction. Each generator shall be provided with a vent pipe of
						Schedule 40 galvanized iron or steel, or equivalent.
(c) Generating chamber relief pipes shall not
						be interconnected but shall be led separately to the outside air.
1.
						  Amendment of subsection (b) filed 5-16-75; effective thirtieth day thereafter
						  (Register 75, No. 20).
2. Amendment filed 7-16-76; effective
						  thirtieth day thereafter (Register 76, No. 29).
3. Amendment of
						  subsection (b) filed 9-19-80; effective thirtieth day thereafter (Register 80,
						  No. 38).
4. Amendment of subsection (c) filed 6-12-87; operative
						  7-12-87 (Register 87, No. 26).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 82 - Stationary Automatic Acetylene Generators › Section 4812 - Maintenance and Operation

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Relief valves shall be tested in
						accordance with the manufacturer's recommendation to insure proper functioning.
						Relief valves for generating chambers shall be set to open at a pressure not in
						excess of 15 p.s.i.g. Relief valves for hydraulic back-pressure valves shall be
						set to open at a pressure not in excess of 20 p.s.i.g.
(b) The carbide added each time the generator
						is charged shall be no more than sufficient to refill the space provided for
						carbide without ramming the charge. Only wooden, brass or other nonferrous
						tools shall be used in distributing the charge, or in making any other
						adjustments on generators or in generator houses or rooms.
(c) At least 1 fire extinguisher of not less
						than 10B:C rating, listed by the Underwriters' Laboratories or other recognized
						authority of equivalent standing, shall be kept available for service and in
						good working order near the generator house or room.
(d) Whenever a person is inside a generator,
						another person shall be stationed outside the generator to assist in case of
						emergency. The person in the generator shall be provided with, and shall wear
						an approved life line and belt. In addition, there shall be provided a suitable
						ladder giving access to the interior of the generator.
(e) Flash lights used in the generator room
						or storage building shall be Bureau of Mines permissible type or
						equivalent.
(f) Nonautomatic
						generators shall not be used for generating acetylene at pressures exceeding 1
						p.s.i.g., and all water overflows shall be visible.
(g) Generator water chambers shall be kept
						filled to proper level at all times except while draining during the recharging
						operation.
Whenever repairs are to be made or the generator is to
						  be charged or carbide is to be removed, the water chamber shall be filled to
						  the proper level.
1.
						  Amendment of subsection (a) and new subsections (h) and (i) filed 5-16-75;
						  effective thirtieth day thereafter (Register 75, No. 20).
2.
						  Amendment of subsection (e) filed 3-2-76; effective thirtieth day thereafter
						  (Register 76, No. 10).
3. Amendment filed 6-12-87; operative 7-12-87
						  (Register 87, No. 26).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 82 - Stationary Automatic Acetylene Generators › Section 4813 - Gas Holders

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a)
						Gas holders shall be constructed on the gasometer principle, the bell being
						suitably guided. The gas bell shall move freely without tendency to bind and
						shall have a clearance of at least 2 inches from the shell.
The gas holder may be located in the generator room, in
						  a separate room or out of doors. In order to prevent collapse of the gas bell
						  or infiltration of air due to a vacuum caused by the compressor or booster pump
						  or cooling of the gas, a compressor or booster cutoff shall be provided at a
						  point 12 inches or more above the landing point of the bell. When the gas
						  holder is located indoors, the room shall be ventilated, heated, and lighted in
						  accordance with Section
						  4807.
(b) When the gas holder is not located within
						a heated building, gas holder seals shall be protected against
						freezing.
(c) Means shall be
						provided to stop the generator-feeding mechanism before the gas holder reaches
						the upper limit of its travel.
(d)
						When the gas holder is connected to only one generator, the gas capacity of the
						holder shall be not less than one-third of the hourly rating of the
						generator.
1. New
						  section filed 5-16-75; effective thirtieth day thereafter (Register 75, No.
						  20).
2. Amendment of NOTE filed 6-12-87; operative 7-12-87 (Register
						  87, No. 26).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: 142.3, Labor Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 83 - Portable Automatic Acetylene Generators › Section 4815 - General

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Portable
						generators shall not be used within 10 feet of combustible material other than
						the floor.
(b) Portable generators
						shall not be used in rooms of total volume less than 35 times the total gas
						generating capacity per charge of all generators in the room.
No portable generator shall be used in a room with a
						  ceiling less than 10 feet in height.
(c) Portable generators shall be protected
						against freezing. The use of salt or other corrosive chemicals to prevent
						freezing is prohibited.
1.
						  Amendment of subsections (a) and (c) filed 6-12-87; operative 7-12-87 (Register
						  87, No. 26).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 83 - Portable Automatic Acetylene Generators › Section 4816 - Operation and Maintenance

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Portable generators shall be cleaned and
						recharged and the air mixture blown off outside buildings.
(b) Before a portable generator is recharged,
						partially or completely, it shall be thoroughly cleaned of all sludge and
						refilled with clean water.
(c) When
						charged with carbide, generators shall not be moved by crane, hoist or
						derrick.
(d) When not in use,
						portable generators shall not be stored in rooms in which open flames are used
						unless the generators contain no carbide and have been thoroughly purged of
						acetylene. Storage rooms shall be well ventilated.
(e) When portable acetylene generators are to
						be transported and operated on vehicles, they shall be securely anchored to the
						vehicles. If transported by truck, the motor shall be turned off during
						charging, cleaning, and generating periods.
(f) Portable generators shall be located at a
						safe distance from the welding position so that they will not be exposed to
						sparks, slag, or misdirection of the torch flame or overheating from hot
						materials or processes.
1. New
						  subsections (e) and (f) filed 5-16-75; effective thirtieth day thereafter
						  (Register 75, No. 20).
2. Amendment of subsections (a) and (d) filed
						  6-12-87; operative 7-12-87; operative 7-12-87 (Register 87, No.
						  26).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 84 - Calcium Carbide › Section 4818 - Storage

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Calcium carbide
						shall be stored in sealed metal containers which are free from punctures,
						excessive rusting, corrosion or any other damage that might affect their water
						and air tightness. The contents of damaged containers shall be promptly used or
						transferred to another container.
(1) The
						containers shall be provided with a screw top or equivalent. Solder shall not
						be used in such a manner that the container would fail if exposed to
						fire.
(2) Containers containing
						calcium carbide shall be conspicuously marked "Calcium Carbide Dangerous If Not
						Kept Dry" or with equivalent warning.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 84 - Calcium Carbide › Section 4819 - Opening Containers

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
Nonferrous tools except copper or copper base alloy
						  tools shall be provided and used for opening carbide
						  containers.
1. New
						  NOTE filed 6-12-87; operative 7-12-87 (Register 87, No.
						  26).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 85 - Service Piping for All Gases › Section 4821 - Gas Systems Piping for Welding and Cutting, Materials and Design

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Piping and
						fittings shall comply with Chapters 1 through 4 of the American National
						Standard Code for Pressure Piping, ASME B31.1.2001, Power Piping, which is
						hereby incorporated by reference, insofar as it does not conflict with (b) and
						(c).
(b) Pipe shall be at least
						Schedule 40 and fittings shall be at least standard weight in sizes up to and
						including 6-inch nominal.
(c)
						Copper tubing shall be Types K or L in accordance with the Standard
						Specification for Seamless Copper Water Tube, ASTM B88-96 which is hereby
						incorporated by reference.
(d)
						Piping shall be steel, wrought iron, brass or copper pipe, or seamless copper,
						brass or stainless steel tubing, except as provided in Sections
						4822 and
						4823.
(e) Service piping systems shall be protected
						by pressure relief devices set to function at not more than the design pressure
						of the systems and discharging upwards to a safe location.
1. New
						  section filed 5-16-75; effective thirtieth day thereafter (Register 75, No.
						  20).
2. Amendment filed 7-16-76; effective thirtieth day thereafter
						  (Register 76, No. 29).
3. Amendment of subsections (a), (c) and (e)
						  filed 6-12-87; operative 7-12-87 (Register 87, No. 26).
4. Amendment
						  of subsection (c) filed 1-6-99; operative 2-5-99 (Register 99, No.
						  2).
5. Amendment of subsection (a) filed 6-2-2003; operative
						  7-2-2003 (Register 2003, No. 23).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference:Section
							 142.3, Labor
							 Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 85 - Service Piping for All Gases › Section 4822 - Oxygen Piping

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a)
						Oxygen piping and fittings at pressures in excess of 700 p.s.i.g., shall be
						stainless steel or copper alloys.
(b) Hose connections and hose complying with
						Section 4839 of this Article may be used to
						connect the outlet of a manifold pressure regulator to piping providing the
						working pressure of the piping is 250 p.s.i.g. or less and the length of the
						hose does not exceed 5 feet. Hose shall have a minimum bursting pressure of
						1,000 p.s.i.g.
(c) When oxygen is
						supplied to a service piping system from a low-pressure oxygen manifold without
						an intervening pressure regulating device, the piping system shall have a
						minimum design pressure of 250 p.s.i.g. A pressure regulating device shall be
						used at each station outlet when the connected equipment is for use at
						pressures less than 250 p.s.i.g.
1.
						  Repealer and new section filed 5-16-75; effective thirtieth day thereafter
						  (Register 75, No. 20).
2. Amendment filed 7-16-76; effective
						  thirtieth day thereafter (Register 76, No. 29).
3. Amendment of
						  subsection (a) filed 6-12-87; operative 7-12-87 (Register 87, No.
						  26).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 85 - Service Piping for All Gases › Section 4823 - Acetylene Piping

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a)
						Employers must comply with NFPA 51A Standard for Acetylene Cylinder Charging
						Plants 2006 Edition which is hereby incorporated by reference.
(b) When employers can demonstrate that the
						facilities, equipment, structures, or installations used to generate acetylene
						or to charge (fill) acetylene cylinders were installed prior to February 16,
						2006, these employers may comply with the provisions of NFPA 51A Standard for
						Acetylene Cylinder Charging Plants, 2001 Edition which is hereby incorporated
						by reference.
(c) The provisions of
						subsection (b) also apply when the facilities, equipment, structures, or
						installations used to generate acetylene or to charge (fill) acetylene
						cylinders were approved for construction or installation prior to February 16,
						2006, but constructed and installed on or after that date.
NOTE: For additional information on acetylene piping
						  systems, see CGA G-1.2-2006, Acetylene Metering and Piping, Third
						  Edition.
1.
						  Amendment filed 7-16-76; effective thirtieth day thereafter (Register 76, No.
						  29).
2. Amendment filed 6-12-87; operative 7-12-87 (Register 87, No.
						  26).
3. Editorial correction of printing error (Register 2002, No.
						  39).
4. Repealer and new section filed 7-1-2010; operative 7-1-2010
						  pursuant to Government Code section
						  11343.4.
						  Submitted to OAL for printing only pursuant to Labor Code section
						  142.3(a)(3)
						  (Register 2010, No. 27).
5. Editorial correction of subsection (a)
						  (Register 2010, No. 34).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 85 - Service Piping for All Gases › Section 4824 - Piping Joints

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a)
						Joints in steel or wrought iron piping shall be welded, threaded or flanged.
						Fittings, such as ells, tees, couplings, and unions, may be rolled, forged or
						cast steel, malleable iron or nodular iron. Gray or white cast iron fittings
						are prohibited.
(b) Joints in brass
						or copper pipe shall be welded, brazed, threaded, or flanged. If of the socket
						type, they shall be brazed with silver-brazing alloy or similar high melting
						point (not less than 800° F) filler metal.
(c) Joints in seamless copper, brass, or
						stainless steel tubing shall be approved gas tubing fittings or the joints
						shall be brazed. If of the socket type, they shall be brazed with
						silver-brazing alloy or similar high melting point (not less than 800° F)
						filler metal.
1.
						  Repealer and new section filed 5-16-75; effective thirtieth day thereafter
						  (Register 75, No. 20).
2. Amendment filed 7-16-76; effective
						  thirtieth day thereafter (Register 76, No. 29).
3. Amendment of
						  subsection (c) filed 6-12-87; operative 7-12-87 (Register 87, No.
						  26).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 85 - Service Piping for All Gases › Section 4825 - Installation-General

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Distribution
						lines shall be installed and maintained in a safe operating condition. All
						piping shall be run directly as practicable, protected against physical damage,
						proper allowance being made for expansion and contraction, jarring and
						vibration. Pipe laid underground in earth shall be located below the frost line
						and protected against corrosion. After assembly, piping shall be thoroughly
						blown out with air, nitrogen, or carbon dioxide to remove foreign materials.
						For oxygen piping, only oil-free air, oil-free nitrogen, or oil-free carbon
						dioxide shall be used.
(b) Oxygen
						piping shall never be placed in tunnel, trench, manhole or duct where it may be
						exposed to contact with oil.
(c)
						Only piping which has been welded or brazed shall be installed in tunnels,
						trenches or ducts. Shutoff valves shall be located outside such conduits.
						Oxygen piping may be placed in the same tunnel, trench or duct with fuel-gas
						pipelines, provided there is good natural or forced ventilation.
(d) All drip pots shall be readily accessible
						and provided with outlets normally closed with screw caps or plugs. No open end
						valves or pet-cocks shall be used.
(e) Gas cocks or valves shall be provided for
						all buildings at points outside the buildings where they will be readily
						accessible for shutting off gas supply to buildings in any emergency.
1.
						  Amendment of subsections (a) and (c) filed 5-16-75; effective thirtieth day
						  thereafter (Register 75, No. 20).
2. Amendment of subsections (a)
						  and (c) filed 6-12-87; operative 7-12-87 (Register 87, No.
						  26).
Note: Authority cited: Section
							 142.3 Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 85 - Service Piping for All Gases › Section 4826 - Testing

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
Piping systems shall be tested and proved gas-tight at
						  1 ½ times the maximum working pressure and shall be thoroughly purged of
						  air before being placed in service. The material used for testing oxygen lines
						  shall be oil-free and non-combustible, flames shall not be used to detect
						  leaks.
1.
						  Amendment filed 6-12-87; operative 7-12-87 (Register 87, No.
						  26).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 85 - Service Piping for All Gases › Section 4827 - Painting and Signs

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a)
						Underground pipe and tubing and outdoor ferrous pipe and tubing shall be
						covered or painted with a suitable material for protection against
						corrosion.
(b) All oxygen pipe
						lines shall be painted one color, preferably green, and all fuel gas pipes a
						different color. Where more than one fuel gas is employed, the pipe lines
						supplying the different gases shall be painted distinctive colors.
(c) A color chart indicating the colors
						employed for this purpose shall be prominently displayed.
(d) Signs clearly establishing the location
						and identity of section shut-off valves shall be provided.
1.
						  Amendment filed 6-12-87; operative 7-12-87 (Register 87, No.
						  26).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 85 - Service Piping for All Gases › Section 4828 - Hydraulic Back-Pressure Valves

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) In low-pressure fuel gas systems,
						including acetylene, liquefied petroleum gas, manufactured gas, natural gas,
						etc., where the gas is piped at a pressure not in excess of 1 p.s.i., an
						approved hydraulic back-pressure valve shall be employed at every point where
						fuel gas and oxygen are withdrawn from the piping system. A shut-off valve
						shall be installed at the inlet of each hydraulic valve.
(b) In fuel gas systems where the gas is
						piped at a pressure in excess of 1 p.s.i. an approved service regulator, check
						valve or hydraulic seal shall be employed at every point where fuel gas and
						oxygen are withdrawn from the piping system. A shut-off valve shall be
						installed at the inlet of each hydraulic seal, regulator or check valve. Fuel
						gas for use with equipment not requiring oxygen shall be withdrawn upstream of
						the piping protective devices.
(c)
						Maintenance and inspection of hydraulic back-pressure valves shall be in
						accordance with manufacturer's instructions.
(d) If the station outlet is equipped with a
						detachable regulator, the outlet shall terminate in a union connection that
						complies with the Standard Connections for Regulator Outlets, Torches and
						Fitted Hose for Welding and Cutting Equipment, Compressed Gas Association,
						Pamphlet E-1-1980.
If the station outlet is connected directly to a hose,
						  the outlet shall terminate in a union connection complying with the Standard
						  Connections for Regulator Outlets, Torches and Fitted Hose for Welding and
						  Cutting Equipment, Compressed Gas Association, Pamphlet E-1-1980.
Station outlets may terminate in pipe threads to which
						  permanent connections are to be made, such as to a machine.
Station outlets shall be equipped with a detachable
						  outlet seal cap secured in place. This cap shall be used to seal the outlet
						  except when a hose, a regulator, or piping is attached.
1.
						  Amendment of subsection (b) and new subsection (d) filed 5-16-75; effective
						  thirtieth day thereafter (Register 75, No. 20).
2. Amendment of
						  subsections (a) and (b) filed 7-13-78; effective thirtieth day thereafter
						  (Register 78, No. 28).
3. Amendment filed 6-12-87; operative 7-12-87
						  (Register 87, No. 26).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 85 - Service Piping for All Gases › Section 4829 - Storage and Use of Cylinders. [Repealed]

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
1.
						  Repealer filed 5-16-75; effective thirtieth day thereafter (Register 75, No.
						  20).
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 86 - Manifolding of Cylinders to Headers for Shop Pipe Line Supply Systems and Pressure Reducing Regulators and Hose › Section 4834 - Manifolds, General

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a)
						Manifolds shall be approved either separately for each component part or as an
						assembled unit.
(b) Each fuel-gas
						and oxygen cylinder lead shall be provided with a backflow check
						valve.
(c) The aggregate capacity
						of fuel-gas cylinders connected to a portable manifold inside a building shall
						not exceed 3,000 cubic feet of gas.
(d) Acetylene and liquefied fuel-gas
						cylinders shall be manifolded in a vertical position.
(e) Such manifolds shall be so located and so
						guarded as to protect them against damage from trucks and from any material
						being moved in the vicinity.
(f)
						Cylinder manifolds shall be installed under the supervision of someone familiar
						with the proper practices with reference to their construction and
						use.
(g) All component parts used
						in the methods of manifolding described in Section
						4821 shall be approved as to
						materials, design and construction either separately or as an assembled
						unit.
(h) All manifolds and parts
						used in methods of manifolding shall be used only for the gas or gases for
						which they are approved.
(i) When
						acetylene cylinders are coupled, approved flash arresters shall be installed
						between each cylinder and the coupler block. For outdoor use only, and when the
						number of cylinders coupled does not exceed three, one flash arrester installed
						between the coupler block and regulator is acceptable.
(j) Fuel gas and oxygen manifolds shall bear
						the name of the substance they contain in letters at least 1-inch high which
						shall be either painted on the manifold or on a sign permanently attached to
						it.
(k) Fuel gas and oxygen
						manifolds shall be placed in safe, well ventilated, and accessible locations.
						They shall not be located within enclosed spaces.
(l) Nothing shall be placed on top of a
						manifold, when in use, which will damage the manifold or interfere with the
						quick closing of the valves.
1.
						  Repealer and new section filed 5-16-75; effective thirtieth day thereafter
						  (Register 75, No. 20).
2. Amendment of subsection (b) filed 7-13-78;
						  effective thirtieth day thereafter (Register 78, No. 28).
3.
						  Amendment of subsection (a) filed 6-12-87; operative 7-12-87 (Register 87, No.
						  26).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 86 - Manifolding of Cylinders to Headers for Shop Pipe Line Supply Systems and Pressure Reducing Regulators and Hose › Section 4835 - Fuel Gas Manifolds. (Acetylene, Liquefied Fuel Gases, and Nonliquified Gases Other than Acetylene.)

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Only cylinders containing gas at
						approximately equal pressures shall be manifolded.
(b) Except as provided in 4835 (c), fuel-gas
						cylinders connected to one manifold inside a building shall be limited to a
						total capacity not exceeding 300 pounds of liquified petroleum gas or 3,000
						cubic feet of other fuel-gas. More than one manifold with connected cylinders
						may be located in the same room provided the manifolds are at least 50 feet
						apart or separated by a noncombustible barrier at least 50 feet apart or
						separated by a noncombustible barrier at least 5 feet high having a
						fire-resistance rating of at least one-half hour.
(c) Fuel-gas cylinders connected to one
						manifold having an aggregate capacity exceeding 300 pounds of liquified
						petroleum gas or 3,000 cubic feet of other fuel-gas shall be located outdoors,
						or in a separate building or room constructed in accordance with Section
						4805(b).
(d) Special buildings or rooms, if provided,
						shall have no other occupancy except that they may be used for the storage of
						cylinders containing fuel gas and of drums of carbide; such buildings or rooms
						shall have no open flame for heating or lighting and shall be well ventilated.
						Signs shall be conspicuously posted in such rooms reading, "Danger No Smoking,
						Matches or Open Lights," or other equivalent wording.
1.
						  Amendment of subsection (d) filed 5-16-75; effective thirtieth day thereafter
						  (Register 75, No. 20).
2. Amendment of subsection (d) filed 7-8-85;
						  effective thirtieth day thereafter (Register 85, No. 28).
3.
						  Amendment of subsections (b) and (c) filed 6-12-87; operative 7-12-87 (Register
						  87, No. 26).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 86 - Manifolding of Cylinders to Headers for Shop Pipe Line Supply Systems and Pressure Reducing Regulators and Hose › Section 4836 - Oxygen Manifolds

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Oxygen manifolds shall not be located in
						an acetylene generator room. Oxygen manifolds shall be separated from fuel-gas
						cylinders or combustible materials (especially oil or grease), a minimum
						distance of 20 feet or by a noncombustible barrier at least 5 feet high having
						a fire resistance rating of at least one-half hour.
(b) An oxygen manifold, to which cylinders
						having an aggregate capacity of more than 6,000 cubic feet of oxygen are
						connected, shall be located outdoors or in a separate noncombustible building.
						Such a manifold if located inside a building having other occupancy, shall be
						located in a separate room of noncombustible construction.
(c) Manifolds shall be of substantial
						construction suitable for use with oxygen at a pressure of 250 p.s.i.g. They
						shall have a minimum bursting pressure of 1,000 p.s.i.g. and shall be protected
						by a safety relief device which will relieve at a maximum pressure of 500
						p.s.i.g. DOT-4L200 cylinders have safety devices which relieve at a maximum
						pressure of 250 p.s.i.g. (or 235 p.s.i.g. if vacuum insulation is used).
(1) Hose and hose connections subject to
						cylinder pressure shall comply with Section
						4839.
(2) Hose shall have a minimum bursting
						pressure of 1,000 p.s.i.g.
(3) The
						assembled manifold including leads shall be tested and proven gas-tight at a
						pressure of 300 p.s.i.g. The fluid used for testing oxygen manifolds shall be
						oil free and noncombustible.
(4)
						The following sign shall be conspicuously posted at each manifold:
Low-Pressure Manifold Do Not Connect High-Pressure
						  Cylinders Maximum Pressure--250 P.S.I.G.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 86 - Manifolding of Cylinders to Headers for Shop Pipe Line Supply Systems and Pressure Reducing Regulators and Hose › Section 4837 - Liquid Oxygen

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
Where liquid oxygen in a quantity exceeding 100 gallons
						  is to be used for welding and cutting, the container or containers shall be
						  located outside or in a special building having no other occupancy except that
						  related to the handling and gasification of the oxygen and shall comply with
						  the provisions of Article 139, Oxygen, Sections
						  5500-5509, of this
						  Title.
1.
						  Amendment filed 5-16-75; effective thirtieth day thereafter (Register 75, No.
						  20).
2. Amendment filed 3-2-76; effective thirtieth day thereafter
						  (Register 76, No. 10).
3. Amendment filed 6-12-87; operative 7-12-87
						  (Register 87, No. 26).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 10 - Gas Systems for Welding and Cutting › Article 86 - Manifolding of Cylinders to Headers for Shop Pipe Line Supply Systems and Pressure Reducing Regulators and Hose › Section 4838 - Pressure Regulators

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Regulators or automatic reducing valves
						shall be used only for the gas and at the pressure for which they are intended.
						Defective oxygen and fuel gas pressure regulators, including their gauges,
						shall not be used.
(b) When
						regulators or parts of regulators, including gauges, need repair, the work
						shall be performed by skilled mechanics who have been properly
						instructed.
(c) Gauges on oxygen
						regulators shall be marked "USE NO OIL."
1.
						  Amendment filed 5-16-75; effective thirtieth day thereafter (Register 75, No.
						  20).
2. Editorial correction (Register 80, No. 12).
3.
						  New NOTE filed 6-12-87; operative 7-12-87 (Register 87, No.
						  26).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.