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s 6690. Weight Indicators.
(a) A weight indicator shall be provided and used on every drilling and redrilling well, also on all other wells when pulling on casing or stuck pipe. This applies only when wire rope hoisting lines are used.
Note: This section does not apply to sucker rods in a producing well.
(b) Weight indicators shall be installed and maintained to manufacturer's specifications.




Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.





s 6691. Blowout Prevention Equipment.
(a) For well operations which require a permit issued by the Department of Conservation, Division of Oil, Gas, and Geothermal Resources, the components of the blowout prevention equipment system shall fulfill the requirements of the blowout equipment class specified by the Division of Oil, Gas, and Geothermal Resources, "Permit to Conduct Well Operations." A copy of this permit shall be conspicuously posted or be otherwise readily available at the well site. The equipment requirements for each blowout prevention equipment classification are outlined in Section 2, Paragraph 2.2 of the Division of Oil and Gas Manual M07, Sixth Edition, 1987, "Oil and Gas Blowout Prevention in California", pages 7- 16, which is hereby incorporated by reference. This equipment shall be used and maintained in accordance with the guidelines contained in the Division of Oil and Gas Manual M07 and the recommendations of the manufacturer.
(b) All components of the blowout prevention equipment system shall be secured in accordance with good engineering practices. All flanges and/or clamps shall be made up completely.
(c) A clear passageway shall be maintained to all blowout preventer controls. The passageway shall be at least two feet (2 ') wide with a vertical clearance of at least six and one-half feet (6 1/2 '). Substructure beams and piping necessary to the function and structural integrity of the rig shall be permissible in this passageway providing the top of the beam or upper limit of the pipe shall not exceed a height of twelve inches (12 ") above the ground or floor level of the passageway.
(d) All blowout preventer controls shall be clearly identified as to their function and method of operation.




Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.





s 6691.1. Controls for Manually Operated Blowout Preventers.
(a) Operating controls shall be located not closer than twelve feet (12 ') from the center line of the well bore and not closer than ten feet (10 ') from the drilling fluid circulating ditch or pit.
(b) All controls shall be located where they can be operated from ground level or an access platform shall be provided.




Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.





s 6691.2. Controls for Power-Actuated Blowout Preventers.
(a) Every blowout preventer that is actuated with power of any source other than manual shall be provided with a means of control located at least twenty-five feet (25 ') from the well bore.




Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.





s 6692. Blowout Prevention Equipment for Wells Other Than Drilling Wells.




Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6693. Attractive Nuisance Guards: Well-Pumping Units.




Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6750. Application and Scope.
(a) Application. These orders shall apply to the equipment and operations used in or appurtenant to the refining, storage and handling of petroleum, natural gas and their products, including the construction, location, transportation, utilization, testing, demolition, maintenance and operation of such equipment in "Employment" or a "Place of Employment" or by an "Employer" or an "Employee" as these terms are defined in Division 5, Part 1 of the Labor Code.
Exceptions: (1) These orders shall not apply to the equipment and operations of a consumer nor of retail outlets. (2) Existing installations and equipment which were in compliance with safety orders, or variances therefrom, in effect prior to the effective date of these safety orders, unless the hazard presented by the installation or equipment is, in the judgement of the Chief of the Division, of such severity as to warrant control by the application of the applicable sections of these orders.
Note: These orders shall take precedence over other safety orders when applied to petroleum refining, transportation and handling of crude oil, natural gas, and their products.
(b) Scope.
(1) The operations to which these orders apply are those generally known as refining, storage, packaging, distributing, pipeline transportation and movements, filling and unloading, laboratories, and the construction, operation and maintenance of the equipment application to the foregoing.
(2) Transportation and movement through pipelines is included, but transportation by truck, rail or marine transportation is excluded.

(3) Pipeline transportation shall begin at the point where the material leaves the last producing facility or changes custody, and shall end at the point where the material enters a distribution or refining facility.
(4) Pipeline transportation of consumer's gas shall be considered to end where the gas enters the initial pressure control station or pressure regulating device of the distributing system. Excluded are areas used for residential or recreational purposes, parking of vehicles, or office buildings, when so located, and when the nature of the activities therein are such that they do not endanger the safety of employees engaged in the operations to which these orders apply.
(5) For the convenience of the user of these orders, some Sections make reference to the General Industry Safety Orders for requirements which may be applicable to the subject matter. This is not to be construed as meaning the referenced orders are the only ones applicable.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6751. Approvals.
(a) Approvals.
(1) When the term "approved" is used in these orders, it shall refer to products, materials, devices, systems, or installations that have been approved, listed, labeled, or certified as conforming to applicable governmental or other nationally recognized standards, or applicable scientific principles. The approval, listing, labeling, or certification of conformity, shall be based upon an evaluation performed by a person, firm, or entity with appropriate registered engineering competence or by a person, firm, or entity, independent of the manufacturer or supplier of the product, with demonstrated competence in the field of such evaluation.
Exception: Where written approval by the Division is required in these orders.
(2) The term "approved" shall also refer to products, materials, devices, systems, or installations that have been approved, listed, labeled, or certified by a Nationally Recognized Testing Laboratory (NRTL).
(b) The Division may require proof in addition to that under subsection (a) of this Section that the products, materials, devices, systems, or installations will provide reasonable safety under the conditions of use.
(c) When these orders require an approval of products, materials, devices, systems or installations and that approval is not available under subsection (a) of this Section, it will be necessary to submit to the Division engineering calculations, stress analyses, and other data for each design, model, or make for which an approval is requested. The Division will then approve or disapprove the product, material, device system, or installation as submitted or under specified conditions.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6755. Definitions.
(a) The following definitions shall apply in the application of these orders.
Alteration (Pressure Vessels). An alteration is any change in the item described on the original Manufacturer's Data Report which affects the pressure containing capability of the pressure vessel. Nonphysical changes (re-rating) such as an increase in the maximum allowable working pressure (internal or external) or design temperature, or the addition of loadings not considered in the original design, shall be considered an alteration. A reduction in the (minimum) design metal temperature such that additional mechanical tests are required shall also be considered an alteration.
Approved. See Section 6751.
A.N.S.I. American National Standards Institute.
A.P.I. American Petroleum Institute.
A. S. M. E. American Society of Mechanical Engineers.
A. S. T. M. American Society for Testing and Materials.
Atmospheric Tank. A storage tank which has been designed to operate at pressures from atmospheric through 0.5 psig (3.5 KPa).
Authorized Employee. (in reference to an employee's assignment). Selected by the employer for that purpose.
Auto Ignition Temperature. See Ignition Temperature.

Barrel. A liquid measure of 42 U.S. gallons (158.9 liters).
Blind. A device, other than a valve, used to isolate equipment for the purpose of preventing the passage of liquid, gas or vapor.
Boiling Point. The temperature at which a liquid boils at a pressure of 14.7 psia (760 mm Hg).
Code. Consensus Standards as referenced in the Petroleum Safety Orders.
Combustible Liquid. See Liquid.
Confined Space. See Article 108, General Industry Safety Orders.
Consumer. One who uses up or consumes petroleum, natural gas or their products either in serving his own wants or in the production of another article of value when such use or consumption does not involve processing as defined in these orders.
Corrosive. A substance that causes visible destruction of, or irreversible alterations in living tissue by chemical action at the site of contact. For example, a substance is considered to be corrosive if, when tested on the intact skin of albino rabbits by the method described by the U.S. Department of Transportation in Appendix A to 49 CFR Part 173, it destroys or changes irreversibly the structure of the tissue. This term shall not refer to action on inanimate surfaces.
Crude Oil. Hydrocarbon mixtures that have a flash point below 150 [FN0] F and which have not been refined.
Division. Division of Occupational Safety and Health.
Existing Installations. All equipment installed in California prior to the adoption of these orders and in compliance with applicable safety orders of the Division in effect at the time of installation and that have not changed ownership and location since the adoption of these orders.
Fire Watch. A qualified person designated by the employer to perform the duties as required by General Industry Safety Orders, Section 4848.
Fired Equipment. Equipment heated by an externally applied flame.

Flammable Gas. A gas that will burn in air.
Flammable Liquid. See Liquid.
Flare. A device in which excess gases and vapors are burned in the atmosphere.
Flash Point (of a liquid). The minimum temperature at which it gives off vapor in sufficient concentration to form an ignitible mixture with air near the surface of the liquid within the vessel as specified by appropriate test procedure and apparatus as follows:
(1) The flash point of a liquid having a viscosity less than 45 SUS at 100 [FN0] F (37.8 [FN0] C) and a flash point below 200 [FN0] F. (93.4 [FN0] C), (refer to General Industry Safety Orders, Section 5194.)
(2) The flash point of a liquid having a viscosity of 45 SUS or more at 100 [FN0] F. (37.8 [FN0] C) or a flash point of 200 [FN0] F. (93.4 [FN0] C) or higher, (refer to General Industry Safety Orders, Section 5194.)
(3) For a liquid that is a mixture of compounds that have different volatilities and flash points, its flash point shall be determined by using the procedure specified above on the liquid in the form it is shipped. If the flash point, as determined by this test, is 100 [FN0] F. (37.8 [FN0] C) or higher, an additional flash point determination shall be run on a sample of the liquid evaporated to 90 percent of its original volume, and the lower value of the two tests shall be considered the flash point of the material.
(4) Organic peroxides, which undergo auto accelerating thermal decomposition, are excluded from any of the flash point determination methods above.
Fumes. Solid particles generated by condensation from the gaseous state, generally after volatilization from molten metals, etc., and often accompanied by a chemical reaction such as oxidation.
Gas. A fluid, such as air, that has neither independent shape nor volume, but tends to expand indefinitely.
Gas Free or Free of Gas. Free from harmful or hazardous concentrations of vapors, fumes and gases.
Hazardous Substance. One which by reason of being explosive, flammable, toxic, poisonous, corrosive, oxidizing, irritant, or otherwise harmful is likely to cause injury.
High Vapor Pressure Hydrocarbon. Any liquid hydrocarbon component of petroleum or natural gas, or a mixture of two or more liquid petroleum or natural gas components, having a vapor pressure greater than 23 P.S.I.A. at 100 [FN0] F., as determined by means of recognized test methods.
Hot Work. Electric or gas welding, cutting or brazing or any extreme heat, flame or spark producing procedures or operations.
Ignition Temperature. The minimum temperature to which a flammable vapor or gas mixture in air must be heated in order to initiate or cause self-sustained combustion.
Isolation. A procedure whereby equipment is removed from service and completely protected against the inadvertent release or introduction of material or energy.
Laboratory. A plant or a generally recognized department or subdivision of a plant where the primary purpose is testing, analysis, inspection, research, experimentation or process development in connection with petroleum, natural gas or their products, derivatives or related commodities. This shall not include places where simple routine tests, not requiring the use of a source of ignition, are done incidental to the processing or handling of petroleum, natural gas, or their products as, for example, by gaugers, process equipment operators, and others not generally considered to be laboratory personnel.
Liquid. See General Industry Safety Orders, Section 5415.
(A) Combustible liquids shall be subdivided as follows:
Class II liquids shall include those having flash points at or above 100 [FN0] F (37.8 [FN0] C) and below 140 [FN0] F (60 [FN0] C).
Class IIIA liquids shall include those having flash points at or above 140 [FN0] F (60 [FN0] C) and below 200 [FN0] F (93.4 [FN0] C).
Class IIIB liquids shall include those having flash points at or above 200 [FN0] F (93.4 [FN0] C.)
(B) Flammable Liquid. A liquid having a flash point below 100 [FN0] F (37.8 [FN0] C) and having a vapor pressure not exceeding 40 lb. per sq. in. (absolute) (176 kPa) at 100 [FN0] F (37.8 [FN0] C) and shall be known as Class I liquid.
Class I liquids shall be subdivided as follows:
Class IA shall include those having flash points below 73 [FN0] F (22.8 [FN0] C) and having a boiling point below 100 [FN0] F (37.8 [FN0] C).
Class IB shall include those having flash points below 73 [FN0] F (22.8 [FN0] C) and having a boiling point at or above 100 [FN0] F (37.8 [FN0] C).
Class IC shall include those having flash points at or above 73 [FN0] F (22.8 [FN0] C) and below 100 [FN0] F (37.8 [FN0] C).
Natural Gas. Mixture of hydrocarbon gases and vapors consisting principally of methane.
Opening of Pipelines or Equipment. Exposing the contents of pipelines or equipment to the atmosphere, through means other than valves.
Owner-User. (Pressure Vessel) An owner or user of pressure vessels who maintains a regularly established inspection department whose organization and inspection procedures have been accepted by the Division.
Pilot Plant. See Laboratory.
Plant. See Refinery.
Portable Tank. A tank not intended for a fixed installation.
Pressure Relief Device. A device such as a spring-loaded safety valve or rupture disk for relieving excess pressure.
Pressure Vessel. A container, including cylinders, used for the storage or accumulation of any gas or liquid under pressure. This definition is not intended to include boilers as defined in the Boiler and Fired Pressure Vessel Safety Orders, or pressure chambers that are integral parts of such devices as pumps, motors, engines, clothes presses, flatwork ironers, tire molds, etc., where the pressure-containing part is subjected to severe mechanical stresses.

Qualified Inspector. An inspector as defined in Title 8, Unfired Pressure Vessel Safety Orders, and who holds a valid certificate of competency issued by the Division.
Refinery. A plant for the separation, refining, or processing of petroleum, natural gas, and products thereof. The entire operating facilities within clearly defined boundaries used for the operations to which these orders apply. A refinery may include numerous processing units or groups of activities.
Repair (Pressure Vessels). A repair is any work necessary to restore a pressure vessel to a safe and satisfactory operating condition, provided there is no deviation from the original design. Examples of repair include:
(1) Weld repair or replacement of pressure retaining parts or attachments that have failed in a weld or in the base material;
(2) Addition of welded attachments to pressure parts;
(3) Replacement of pressure retaining parts identical or equivalent to those existing on the pressure vessel and described on the original ASME Manufacturer's Data Report;
(4) Replacement or addition of a nozzle where reinforcement is not required to be considered by the code under which the vessel was constructed;
(5) The addition of a nozzle where reinforcement is a consideration provided the nozzle is identical or equivalent to the one in the original design and located in a similar part of the vessel;
(6) Repairs of base material by weld overlay;
(7) Repair or replacement of a pressure part with an ASME code accepted material that has a nominal chemical composition and strength equivalent to the original material, and is suitable for the intended service.
Reservoir. A roofed excavation for the storage of petroleum liquids.
Respiratory Protective Equipment. A breathing device designed to protect the wearer from oxygen-deficient or hazardous atmospheres (General Industry Safety Orders, Section 5144).

Source of Ignition. Any flame, arc, spark, or heat which is capable of igniting flammable liquids, gases or vapors.
Static Electricity. The type of electrical charge resulting from the separation of materials, friction, or similar causes.
Sump. An unroofed, lined or unlined, pit or excavation for holding liquids.
Tank. A fixed receptacle (covered or uncovered) of greater than 60 gallons capacity other than a pressure vessel or reservoir used for holding or storage of liquids.
Toxic Material. A material listed in Sections 5155, 5208, and 5209 of the General Industry Safety Orders which has the capacity to produce personal injury or illness to persons through ingestion, inhalation, or absorption through any body surface.
Tubular Gage Glass. An unsupported level indicator comprised of a glass tube or cylinder.
Vapor. The gaseous form of a substance normally liquid or solid.

Valve. A device for regulating or controlling the flow of material by a movable part or parts which open or close a passage.
Wall-Diversion. A wall made of concrete, earthwork, or other noncombustible material, built for the purpose of protecting employees, by diverting the flow of hazardous substances that may be released by tank failure, tank overflow, or other causes.
Wall-Retaining (Dike). A wall made of concrete, earthwork, or other noncombustible material, built for the purpose of protecting equipment and employees by confining hazardous substances that may be released by tank failure, tank overflow, or other causes.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6760. Injury and Illness Prevention Program.
(a) The employer shall establish, implement and maintain an Injury and Illness Prevention Program in accordance with section 3203 of the General Industry Safety Orders.
(b) The program shall also include a check in/check out procedure for persons not normally assigned to an operating area while the unit is in operation.


Note: Authority cited: Sections 142.3 and 6401.7, Labor Code. Reference: Sections 142.3 and 6401.7, Labor Code.






s 6761. Reporting Unsafe Conditions.


Note: Authority cited: Sections 142.3 and 6401, Labor Code. Reference: Sections 142.3 and 6401.7, Labor Code.






s 6762. Contractors.


Note: Authority cited: Sections 142.3 and 6401, Labor Code. Reference: Sections 142.3 and 6401.7, Labor Code.






s 6767. Medical Services and First Aid.
Emergency medical services shall be provided as required by General Industry Safety Orders, Section 3400.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.








s 6772. Smoking, Matches and Lighters.
(a) Smoking areas shall be conspicuously posted. See also Section 6777.
(b) "Strike anywhere" matches shall not be allowed.
(c) Only cigar or cigarette lighters having the flint, steel, and operating mechanism enclosed in such a manner as to prevent the possibility of accidental lighting or sparking, shall be allowed.
(d) No employee shall be permitted to carry a torch lighter of the spark type in an area where sources of ignition are forbidden, except when sheathed or otherwise protected against accidental operation.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6773. Fire Protection and Fire Fighting Equipment.
(a) Fire fighting equipment shall be available to locations where fires are likely to occur. Such equipment or systems shall comply with the applicable fire protection requirements specified in Articles 156 through 165 of the General Industry Safety Orders.
(b) Fire protection and fire fighting equipment shall be inspected, tested and maintained in serviceable condition. A record shall be kept showing the date when fire extinguishers and hose lines were last inspected, tested, repaired, or renewed. Fire protection and fire fighting equipment after any use shall promptly be made serviceable and restored to its proper location.
(c) Before employees are required or permitted to use the fire fighting equipment mentioned in (a) above, the employees shall be trained in the proper use, care, and limitations of the equipment.
(d) Water and foam lines shall not be used to transfer petroleum products.
(e) Access road(s) shall be provided to accommodate available mobile fire fighting equipment.
(f) A written plan shall be established and implemented to ensure the safe and orderly evacuation of employees.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6774. Cleaning Agents.
(a) Flammable cleaning agents shall be used only in accordance with General Industry Safety Orders, Section 5417.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.








s 6775. Static Electricity.
(a) Where not effectively grounded and/or bonded by contact or connection, provision shall be made to prevent the accumulation of static electrical charges which may create a source of ignition in the presence of flammable vapors or gases. This order applies specifically, but is not necessarily limited to, the following operations:
(1) Blowing or agitating with air.

(2) Loading and unloading tank cars and tank trucks.
(3) Filling metal drums or containers.
(4) Abrasive Blasting.
(5) Hydroblasting.
Exception: Bonding is not required where vehicles are loaded or unloaded exclusively with products not having a static accumulating tendency.
(b) Stationary tanks containing flammable liquids and Class II combustible liquids, not inherently grounded by contact or by connection to a grounded pipe line, shall be grounded.
(c) The nozzle of air, inert gas and steam lines or hoses when used in the cleaning or ventilation of tanks and vessels that contain hazardous concentrations of flammable gases or vapors, shall be bonded to the tank or vessel shell. Bonding devices shall not be attached nor detached in hazardous concentrations of flammable gases or vapors.
(d) Conductors used for bonding and grounding shall be equivalent in strength to a #8 A.W.G. (American Wire Gage) copper wire and shall be suitably conductive to ensure a circuit resistance of not more than one megohm.
(e) Flexible conductors shall be used for bonds that are to be connected and disconnected frequently. Solid conductors are acceptable for fixed connections.
(f) When attaching bonding and grounding clamps or clips, a secure and positive metal to metal contact shall be made. Such attachments shall be made before closures are opened and shall not be broken until after static generating activities are completed, and/or closures closed.
(g) Static bonding installations shall be so designed, constructed, installed and maintained to prevent static charges of different potential from arcing from one conductive object to another.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.








s 6776. Spontaneous Ignition.
(a) Iron sulfide, during and after removal from the inside of tanks and equipment, shall be kept wet or otherwise protected against ignition until removed to a safe place.
(b) Where lime is used inside a vessel to dehydrate the oil or gas, steel wool shall not be used as a porous medium to hold the lime in place.
Note: When a dehydrator is opened for cleaning, the lime and iron sulfide, which is formed in the steel wool, may react with atmospheric air and ignite vapors that may be present. Mineral wool may be used in place of steel wool.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6777. Hot Work Procedures and Permits.
(a) Scope and application. This section contains the required practices and procedures necessary to protect employees from fire and explosion hazards associated with hot work. This section applies to all hot work operations, except as provided in subsections (a)(1) and (a)(2).
(1) The following operations are exempt from the requirements of this section:

(A) The operation of fixed fired equipment.
(B) Hot work required for operating purposes in laboratories and pilot plants. This exemption does not apply to sources of ignition used in the maintenance of equipment.
(C) Hot work within designated, marked, or posted smoking areas within plants.
(D) Hot work in locations outside of plants where it would be safe to smoke.
(2) The following operations need only comply with the hot work safety procedures in subsections (b), (c), and (d):
(A) Operations where compliance with the order will result in the employer or authorized agent issuing a hot work permit to him/herself.
(B) Operations where the use of a source of ignition in connection with work on an oil or gas transmission pipeline remote from plants does not affect the normal movement of the contents of the pipeline.
(C) Hot work within areas meeting all of the following conditions:

1. With respect to operating process equipment, the area is:
a. Free of flammable liquids, vapors and gases except as may be required for necessary activities when safely used, handled and stored; and
b. Effectively protected against the possibility of flammable oils, liquids, vapors or gases being liberated within the area from pipe lines, sewers, drains or ditches.
2. The area is posted in a manner to define the boundaries.
3. The area has a warning system to alert employees to eliminate ignition sources in the event of an emergency.
(b) Hot work procedures. Before hot work is begun, the employer shall determine that a source of ignition can be safely used. In locations where flammable vapors may be present, precautions shall be taken to prevent ignition by eliminating or controlling sources of ignition. A source of ignition shall not be introduced into an area until all of the following required actions have been completed:

(1) Tests for the presence of flammable gases and vapors shall be made when the concentration of flammable gases or vapors may reasonably be expected to exceed 20 percent of the lower explosive limit (LEL). The tests shall confirm that the concentration of flammable gases and vapors does not exceed 20 percent of the LEL.
(2) Oil accumulations or other combustible materials shall be removed or protected from ignition when present in exposed areas.
(3) The gauge valves shall be closed and the gauges drained, or the gauge glasses shall be guarded when gauge glasses contain flammable liquids, vapors or gases and are exposed to the spatter of molten metal.
(c) A source of ignition shall not be used where the concentration of flammable gases or vapors exceeds 20 percent of the LEL.
(d) Suitable fire extinguishing equipment shall be readily available in the area where hot work is performed.
(e) Hot work permits.
Except for those operations identified in subsection (a)(2), a written and numbered hot work permit shall be completed, signed and issued by the employer or his authorized agent before a source of ignition is used. As part of this hot work permit issuance procedure, the employer shall verify that all of the required actions identified in subsection (b) have been completed before a hot work permit is issued.
(f) Before an employee introduces a source of ignition, the employer shall provide a copy of the hot work permit to the employee or shall post a copy of the permit in the area of the planned hot work. The copy of the permit shall be kept on the job where the source of ignition is being used until the work is completed, or the permit expires or is revoked.
(g) The hot work permit shall contain the following information:
(1) The effective time and date.
(2) The place of use.
(3) The hours during which the source of ignition may be used, not to exceed 24 hours.
(4) The specific location or piece of equipment where the source of ignition will be used.
(5) The nature of the use of the source of ignition.
(6) Any special precautions or limitations to be observed before, during or after the use of the source of ignition, including the need for fire watch.
(h) The employer shall revoke the permit under the following conditions:
(1) When circumstances would make the continued use of the source of ignition hazardous.
(2) Any time the conditions of its issuance change.
(3) Inactivity of permitted hot work in excess of two hours unless test(s) determine the LEL is less than 20%
(i) The employer issuing the hot work permit shall keep a copy of the permit on file at the plant of issue for at least six months after the date of issue.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6778. Atmospheric Vents.
The discharge from atmospheric vents shall be so located that any liquids, gases or vapors discharged will not endanger employees. Nothing in this Section shall prohibit the burning of flammable gases or vapors at flares.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6779. Flammable Waste Gases or Vapors.
(a) Flammable waste gases or vapors liberated to the atmosphere from refining units shall be burned unless the place of liberation, method, or quantity liberated, is such that the gases or vapors will not endanger employees.
(b) Reliable and safe means of remote ignition shall be provided whenever flammable gases or vapors are released to the air through flares.
(c) Flares shall be located so that gases or vapors will be dispersed so as not to create a hazard to employees.
(d) Means shall be provided to prevent the escape of hazardous quantities of gases or vapors from flare installations.
(e) Employees shall not be permitted to enter the area of a flare should the flare become extinguished, and the means of igniting the flare fail to function, until tests have established that the area is free from hazardous quantities of gases or vapors.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6780. Transfer of Flammable Liquids by Air Displacement.
Compressed air shall not be used to transfer flammable liquids from one tank or container to another tank or container, including the blowing out of pipe lines or blow cases to free them of flammable liquids or vapors.
Exception: Flammable liquids while they are being processed;


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6781. Steam Hose.
A hose carrying steam used for cleaning or for fire protection shall be equipped with one or more handles near the discharge end of the hose. The handle or handles may be attached to or be a part of a nozzle or lance, and shall be of a type that will protect the operator from the hazard of contacting heated metal or steam.

Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6786. Clothing.
Wearing apparel and personal protective equipment shall meet the requirements of General Industry Safety Orders, Article 10.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.








s 6787. Change Rooms.
Refer to General Industry Safety Orders, Article 9.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6788. Media for Allaying Dusts, Fumes, Mists, Vapors, and Gases.
See General Industry Safety Orders, Article 107.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6789. Gases and Vapor Testing.
(a) Combustible gas indicators shall be available and maintained for use in locations where combustible gases and vapors may be present or are likely to occur.
(b) Tests for the presence of flammable or toxic vapors or gases, required by these orders, shall be made by the use of approved devices or apparatus or by chemical analysis and conducted by a person qualified in the use of the apparatus or skilled in chemical analysis.
(c) A written calibrating and testing program for all test equipment shall be implemented and documented by a qualified person.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6792. Ventilation.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6793. Confined Spaces.
See General Industry Safety Orders, Article 108, Confined Spaces .


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6798. Buildings.
Building access and egress provisions shall comply with the following General Industry Safety Orders:
General Industry Safety Orders 3215 - Means of Egress.
General Industry Safety Orders 3216 - Exit Signs.
General Industry Safety Orders 3219 - Maintenance of Exits.
General Industry Safety Orders 3222 - Arrangement and Distance to Exits.
General Industry Safety Orders 3223 - Changes in Elevation.
General Industry Safety Orders 3224 - Headroom.
General Industry Safety Orders 3225 - Access to Exits.
General Industry Safety Orders 3226 - Corridors and Exterior Exit Balconies.
General Industry Safety Orders 3227 - Discharge from Exits.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6799. Egress Requirements for Equipment Structures.
(a) The exit doors of rooms housing equipment containing corrosives, flammable liquids, gases or vapors being processed or tested shall swing outward except when they would swing into corridors of less than five feet (1.52 m) in width. When located between two such rooms, the exit doors shall swing both ways. Exit doors shall not be locked in such a manner as to prevent a ready exit while the rooms are occupied.
(b) Two means of egress shall be provided from any elevated platform 10 feet (3.05 m) or more above the floor or ground level, on fired processing equipment, or which serves or is connected to three or more vessels, and from which employees must perform operating duties, and when the lack of the second means would prevent the egress of an employee in case of fire or other emergency. The means of egress may be by fixed ladder, stairway, ramp, walkway, or slide and shall be so located relative to each other as to provide reasonably safe alternative means of egress.
(c) Fences, closely or immediately surrounding flammable liquid or gas process equipment, which may hamper or prevent the egress of employees in an emergency, shall have gates opening outward. Such gates shall be unlocked when the area within the enclosure is occupied, or other facilities affording equally quick exit shall be provided.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6800. Illumination.
Illumination for work areas shall conform to General Industry Safety Orders, Section 3317.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.








s 6801. Design and Construction of Tanks.
Tank storage shall be designed, constructed, tested and installed in accordance with General Industry Safety Orders, Article 145.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.








s 6803. Stationary Tanks and Reservoirs.
(a) The roofs of tanks and reservoirs in service shall be externally inspected by a qualified person at intervals not to exceed one year. Where a roof has been found to be unsafe or has not been inspected, substantial barriers shall be erected to block off the entire roof or that portion which is unsafe. Legible signs shall be posted at all approaches to the tank or reservoir roof if the entire roof is blocked off, or on the barrier facing all approaches to the defective area if only a portion of the tank or reservoir roof is barricaded. These signs shall read: "DANGER - UNSAFE ROOF - KEEP OFF", or equivalent wording in letters at least two inches (2") in height.
(b) Work shall not be performed upon the exterior of the roof or shell of a tank at a location where the employee may be exposed to a hazardous concentration of flammable or toxic gases or vapors. When there is reason to suspect the existence of any of the hazards above mentioned, jobsite atmospheric tests shall be made and employees shall be protected. This order shall not prohibit an employee, when protected by approved respiratory equipment, from entering such a hazardous atmosphere when necessary, provided that the work is not of a nature that tends to aggravate the hazard.
(c) When tank or reservoir roof plates or sheathing are suspected to be weak or defective and it is necessary for employees to go onto a roof to determine the extent of the weak and defective parts or to remove them, the following precautions or equally safe procedures shall be used;
(1) Employees shall work at least two rafters apart, be provided with and use an approved safety harness with safety line securely attached to safe supports;
(2) If rafters, girders or posts are known to be weak or defective over an area which cannot be spanned safely, temporary shoring or support shall be installed inside the tank or reservoir before employees are permitted to work on the defective roof area. If this is impractical, an adequate overhead lifeline shall be installed and the employees shall attach their harness to this lifeline;
(3) A standby employee shall be available within sight and sound to offer assistance should an emergency arise while duties are performed.
(d) The roofs of tanks shall be capable of safely supporting employees required to go on the roofs. Locations on tank roofs where work is performed shall be provided with safe platforms and safe access thereto. A walkway will be acceptable as a safe platform when the work is performed entirely from the walkway.
(e) Where the means of access, the walkways, or the platforms of a group of two or more tanks are connected, there shall be provided sufficient unobstructed stairways, ramps, fixed ladders, slides, walkways or crosswalks to permit an employee to escape from the roof, walkway or platform of any tank in the group in the event the walkway or platform of any other tank in the group becomes impassable due to fire or other emergency. Provided, however, that this order shall not apply to tanks containing water or tanks containing petroleum products having an open cup flash point above 300 degrees F. as determined by A.S.T.M. Designation D92, or in the case of fuel oils by the A.S.T.M. Designation D93, and where such tanks are isolated from tanks, pipelines and other equipment containing liquids at a temperature above 150 degrees F., gases, flammable liquids or corrosives.
(f) Within this subsection, tanks shall be classified as follows:
Class A -Tanks with fixed steel roofs but excluding steel water-seal roofs.
Class B -Tanks with nonmetal roofs.
Class C -Tanks with steel water-seal roofs.
Walkways and platforms on tank roofs required by subsections (b) and (c) of this Section, and the railings and toeboards, shall be provided as follows:
(1) The roofs of tanks in Class A shall have walkways as follows:
(A) Tank roofs having a thickness less than one-eighth inch (1/8 ") shall not be used as a walkway regardless of the slope of the roof. In measuring the thickness of metal roofs, allowance shall be made for manufacturers tolerances.
(B) Tank roofs having a slope of two inches (2 ") per foot or less may be used as a walkway. Such walkways shall be clearly defined by color contrast and if the slope of the tank roof is one inch (1 ") per foot or greater, the walkway shall have a nonskid surface.
(C) Tank roofs having a slope greater than two inches (2 ") per foot shall be provided with independent walkways of steel or wood construction.
(2) The roofs of tanks in Class B and C shall have independent walkways of metal or wood construction.
(3) No independent walkways on a tank roof of Class A or B shall have a slope greater than three inches (3 ") per foot.
(4) No walkway on a tank roof of Class A or B shall have a transverse slope greater than two inches (2 ") per foot.
(5) Walkways on tank roofs shall be not less than twenty-four inches (24 ") in width but it shall be permissible to install midrails and toeboards within this width provided, however, that a minimum clear width of twenty inches (20 ") shall be maintained. Walkways shall be designed to carry the load to the supporting structure of the tank roof and shall be securely attached to the tank. Walkways constructed of steel shall have a nominal thickness not less than one-eighth inch (1/8 "). Walkways shall be of sufficient strength to safely support the loads imposed on them.
(6) Platforms on tanks of Class A, B and C shall be at least the equivalent in safety of the type of walkway required for the tank class.
(7) Tanks in Class A, B, and C, the roofs of which are five feet (5 ') or more above ground or floor level, shall have those portions of their walkway and platform edges that are within six feet (6 ') of the roof edge equipped with railings and toeboards, or, as an alternative, railings and toeboards shall be installed on the tank edges which are within six feet (6 ') of the walkways or platforms. Provided, however, that toeboards shall not be required on that side of a platform that faces the peak of the roof.
(g) When duties require an employee to travel on or over reservoir roofs, walkways shall be installed.
(h) Tank roofs, platforms, walkways and stairways shall be kept clear of loose material or equipment except that sampling and gaging equipment may be kept on tank roofs in special racks or containers. Oil spills shall be cleaned up to prevent fire and slipping hazards.
(i) When in the open position the covers of gage, sampling and manhole openings in tank roofs shall be securely attached to the roof or roof opening fixture to prevent their falling.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6804. Stationary Tank Maintenance.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6805. Drainage, Dikes and Walls for Aboveground Tanks.
(a) Drainage, dikes and walls for aboveground tanks shall be provided. See General Industry Safety Orders, Section 5595.
(b) Diversion walls and dikes shall not have roadway or walkway openings except temporary openings for equipment during repairs.

Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6806. Tank Openings Other Than Vents for Aboveground Tanks.
See General Industry Safety Orders, Section 5596.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6807. Underground Tanks.
(a) Installation. See General Industry Safety Orders, Section 5597.
(b) Vents for underground tanks. See General Industry Safety Orders, Section 5598.
(c) Tank openings for other than vents for underground tanks. See General Industry Safety Orders, Section 5599.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6808. Installation of Tanks Inside of Buildings.
See General Industry Safety Orders, Section 5600.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6809. Supports, Foundations and Anchorage for All Tank Locations.
See General Industry Safety Orders, Section 5602.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6810. Gas and Vapor Testing.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6815. Opening Pipe Lines and Equipment.
(a) Before opening lines or other equipment the pressure shall be reduced to atmospheric or as near atmospheric as is practical. Employees shall be informed of the hazards due to the contents of lines or equipment and instructed as to the necessary precautions to be taken.
(b) Lines and equipment containing flammable liquids shall be emptied of their contents, washed out, or steamed before being opened, as is practical.
(c) Precautions shall be taken to prevent ignition by eliminating or controlling sources of ignition before opening lines or equipment where flammable liquids or vapors may be present.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6816. Blinding or Isolating of Pipe Lines and Equipment for Entry.
(a) Isolation of equipment shall be accomplished by blinding or disconnecting and disaligning. Where equipment, operations or conditions will not allow blinding or disconnecting and disaligning, double blocking with a bleeder (located between the block valves) may be utilized to isolate pipelines or equipment under the following conditions:
(1) Written standard operating procedures must be approved by the location management and be available where the double blocking bleeder system will be used.
(2) Block valves used in double blocking bleeder systems shall be monitored for leakage while employees are in the confined space.
(3) Double block valves shall be tagged and locked in the closed position. The bleeder shall be tagged and locked in the open position.
(4) The bleeder valve shall be checked to ensure that it is not plugged and is functioning properly.
(5) Any leakage through the bleeder valve shall require a re-evaluation of the job before work continues.
(6) Discharge of leakage through the bleeder valve shall be directed so as not to create a hazard if the block valve fails.
(7) Before the double block valve(s) is opened, a qualified person shall determine that it is safe.
(b) Cold water, air and foam lines need not be blinded or disconnected, but shall be provided with block valves.
(c) Blinds shall be of sufficient strength and so installed as to provide safe conditions of pressure, temperature and service.
(d) Lines which are blinded shall be clearly identified.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6821. Hazardous Substances.
See General Industry Safety Orders, Section 5194, Hazard Communication.


Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.






s 6822. Corrosives.
(a) See General Industry Safety Orders, Section 5162.
(b) Safety shower and eyewash fountain locations shall be made conspicuous by special marking, signs, or other identification.
(c) When samples of corrosives are carried or transported in breakable bottles from one part of a plant to another part of a plant, as from a process unit or tank car to the laboratory, the bottles shall be transported in a safe container having individual compartments and a strong carrying handle. The container shall be plainly marked or tagged for identification, and it shall be vented or so constructed that a gas or vapor pressure will not build up within the secondary container.
(d) Where corrosive liquids are regularly or frequently handled in open containers or drawn from reservoirs or pipelines, means shall be provided to neutralize or dispose of spills and overflows promptly and safely. (continued)