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Safe Work Procedure: Hot Work

Document Number: [SWP-NUMBER] Revision Date: [DATE] Next Review Date: [NEXT REVIEW DATE] Department: [DEPARTMENT NAME]

1. Scope

This Safe Work Procedure (SWP) outlines the necessary safety precautions and procedures to be followed when performing hot work. Hot work includes any work that involves burning, welding, cutting, brazing, grinding, or the use of spark-producing tools. This procedure applies to all employees, contractors, and visitors who may be involved in or exposed to hot work activities. It covers work in both hazardous and non-hazardous locations where a potential for fire or explosion exists [1].

2. Definitions

Hot Work: Work involving electric or gas welding, cutting, brazing, or similar flame producing operations [2].

Hazardous Location: An area where fire or explosion hazards may exist due to the presence of flammable gases, vapors, liquids, dust, or fibers [1].

Flammable Substance: A substance that is easily ignited and capable of burning rapidly [1].

Lower Explosive Limit (LEL): The lowest concentration of a flammable gas or vapor in air that will ignite [1].

3. Responsibilities

3.1 Supervisors

  • Ensure that a hot work permit is issued before any hot work begins, indicating the nature of the hazard, required atmospheric testing, safe work procedures, precautionary measures, and required protective equipment [1].
  • Ensure that workers are properly trained and competent to perform hot work safely [3].
  • Verify that the hot work location is cleared of combustible materials or suitably isolated [1].
  • Ensure that fire protection and extinguishing equipment are properly located at the site [4].
  • Ensure fire watches are available at the site when required [4].

3.2 Workers

  • Obtain a hot work permit before starting any hot work [1].
  • Inspect equipment and tools before use to ensure they are in good working condition [3].
  • Use the appropriate personal protective equipment (PPE) as required [1].
  • Follow safe work procedures and precautionary measures outlined in the hot work permit [1].
  • Participate in pre-job briefings to understand the hazards and controls [3].
  • Report any incidents, near-misses, or hazards to the supervisor immediately [5].

3.3 Health and Safety Representative

  • Assist in the development and review of hot work procedures [5].
  • Conduct regular inspections of hot work areas to ensure compliance with safety procedures [3].
  • Investigate incidents and near-misses related to hot work [5].
  • Provide training and guidance to workers on hot work safety [3].

4. Potential Hazards and Risks

HazardRiskControl Measures
FireBurns, explosions, property damageClear work area of combustibles, use fire-resistant blankets, have fire extinguishers readily available 2, 8
ExplosionSevere injury, fatality, property damageTest atmosphere for flammable substances, purge containers, eliminate ignition sources 2, 3
Exposure to fumes and gasesRespiratory irritation, poisoning, long-term health effectsUse ventilation, wear respirators, monitor air quality 10, 18
Electric shockElectrocution, burnsInspect equipment, use GFCI, ensure proper grounding [6]
Burns from hot materialsSkin burns, eye damageWear appropriate PPE, use caution when handling hot materials 16, 17
Eye injuriesLoss of visionWear appropriate eye protection (welding helmet, safety glasses) [7]

5. Personal Protective Equipment (PPE)

Always use the proper PPE suitable for the hazards associated with the hot work being performed [1].

  • Welding Helmet - Protects eyes and face from arc radiation, sparks, and molten metal. Ensure the helmet has the correct filter lens for the welding process [7].
  • Safety Glasses - Provides additional eye protection under the welding helmet or when performing non-welding hot work. Use safety glasses with side shields [8].
  • Gloves - Protect hands from burns, cuts, and electric shock. Use gauntlet gloves that are flameproof [7].
  • Flame-Resistant Clothing - Protects the body from sparks and heat. Woolen clothing is preferable to cotton. All outer clothing should be free from oil or grease [7].
  • Hearing Protection - Protects ears from excessive noise. Use earplugs or earmuffs as needed [9].

Inspect all PPE before use for damage. Replace damaged PPE immediately [3].

6. Equipment and Tools

Always use the proper equipment and tools suitable for the hot work being performed [3].

  • Welding Machine - Used for joining metal parts. Ensure it is properly grounded and in good working condition [10].
  • Cutting Torch - Used for cutting metal. Inspect hoses and connections for leaks [11].
  • Grinder - Used for grinding and cutting metal. Ensure the grinding wheel is in good condition and the guard is in place [2].
  • Fire Extinguisher - Used to extinguish fires. Ensure it is readily available and fully charged [12].
  • Ventilation Equipment - Used to remove fumes and gases. Ensure it is properly positioned and functioning 10, 18.

Inspect all equipment and tools before use for damage. Remove any defective equipment from service [3].

7. Pre-Job Requirements

7.1 Training and Competency

  • Workers must be trained and competent in the safe operation of hot work equipment and the recognition of associated hazards [3].
  • Training must include the proper use of PPE, fire prevention techniques, and emergency procedures [13].
  • Workers must be trained in the specific procedures applicable to their job tasks [3].

7.2 Pre-Job Briefing

  • Conduct a pre-job briefing with all workers involved in the hot work [3].
  • Review the scope of work, potential hazards, and control measures [3].
  • Discuss the safe work procedures and emergency procedures [3].
  • Ensure all workers understand their roles and responsibilities [3].

7.3 Work Area Preparation

  • Obtain a hot work permit from the designated authority [1].
  • Clear the work area of all combustible materials within a 35-foot radius [1].
  • Cover or protect immovable fire hazards with fire-resistant blankets or shields [12].
  • Ensure adequate ventilation is provided to remove fumes and gases 10, 18.
  • Inspect the atmosphere for flammable substances using a gas detector 2, 3.
  • Ensure that suitable fire extinguishing equipment is immediately available [12].

8. Safe Work Procedure Steps

Step 1: Hot Work Permit

Detailed description of step 1: Obtain a hot work permit before starting any hot work. The permit must be completed and signed by the designated authority [1].

  • Sub-step 1.1: Identify the scope of work and potential hazards [1].
  • Sub-step 1.2: Specify the required safety precautions and control measures [1].
  • Sub-step 1.3: Ensure that all workers have read and understand the permit [1].

Safety considerations for this step: Hot work must not begin until a hot work permit is issued [1].

Step 2: Area Preparation

Detailed description of step 2: Prepare the work area to prevent fires and explosions [1].

  • Sub-step 2.1: Clear the area of combustible materials or suitably isolate them [1].
  • Sub-step 2.2: Implement procedures to ensure continuous safe performance of the hot work [1].
  • Sub-step 2.3: Test the atmosphere to ensure it does not contain flammable substances exceeding 20% of the LEL 2, 3.

Safety considerations for this step: Continuous monitoring of the atmosphere is required 2, 3.

Step 3: Performing Hot Work

Detailed description of step 3: Perform the hot work safely, following all safety precautions and control measures [1].

  • Sub-step 3.1: Use the correct PPE for the task [1].
  • Sub-step 3.2: Ensure ventilation is adequate to remove fumes and gases 10, 18.
  • Sub-step 3.3: Monitor the work area for fire hazards and take immediate action if necessary [12].

Safety considerations for this step: Never leave hot work unattended [12].

9. Precautions and Safety Measures

  • Fire Prevention: Ensure that hot work is only permitted in areas that are or have been made fire safe [4].
  • Flammable Substances: If a flammable substance is or may be present, ensure that no hot work is performed until suitable tests have been conducted [14].
  • Container Safety: Do not perform any welding, cutting, or other hot work on used drums, barrels, tanks, or other containers until they have been thoroughly cleaned 7, 11.
  • Ventilation: Ensure that adequate ventilation is provided to remove fumes and gases 10, 18.
  • Equipment Inspection: Inspect all equipment and tools before use to ensure they are in good working condition [3].

10. Emergency Procedures

10.1 General Emergency Response

  • In the event of a fire, activate the nearest fire alarm and evacuate the area immediately [12].
  • Call emergency services (911) and provide them with the location and nature of the emergency [5].
  • Follow the instructions of emergency responders [5].

10.2 Specific Emergency Scenarios

  • Fire: Use a fire extinguisher to put out small fires. If the fire is too large, evacuate immediately [12].
  • Explosion: Evacuate the area immediately and seek shelter [1].
  • Exposure to Fumes: Move to fresh air and seek medical attention if necessary 10, 18.

10.3 Emergency Contact Information

  • Emergency Services: 911
  • [Emergency Contact 1]: [PHONE NUMBER]
  • [Emergency Contact 2]: [PHONE NUMBER]

11. Incident Reporting and Investigation

  • Report all incidents, near-misses, and hazards to the supervisor immediately [5].
  • An investigation will be conducted to determine the root cause of the incident and to prevent recurrence [5].
  • The incident report must include the date, time, location, and description of the incident, as well as any injuries or damages [5].

12. References and Related Documents

  • Occupational Safety and Health Standards (OSHA 29 CFR 1910) 1, 6
  • Occupational Health and Safety Code 2, 5
  • Occupational Health and Safety Regulations, 2020 (Sask. Reg. 10/2020) 3, 13, 19
  • Rules for the Administration of the Oregon Safe Employment Act (General Occupational Safety and Health, Division 2, OSHA Oregon) 4, 7, 9, 12, 14
  • Rules for the Administration of the Oregon Safe Employment Act (Construction, Division 3, OSHA Oregon) [12]
  • Safety Standards for General Safety and Health Standards (Chaper 296-24 WAC) 10, 11, 16, 18, 20

Approved by: [NAME AND POSITION] Date: [APPROVAL DATE]

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14 source record(s)

Sources used for this answer

[1] Safety Standards for General Safety and Health Standards (Chaper 296-24 WAC)

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\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ toxicity of flammability, you must follow appropriate precautions such as manufacturer's instructions. - (2) Degreasing . You must locate degreasing or other cleaning operations involving chlorinated hydrocarbons so that no vapors from these operations will reach or be drawn into the atmosphere surrounding any welding operation. In addition, trichloroethylene and perchlorethylene should be kept out of atmospheres penetrated by the ultraviolet radiation of gas-shielded welding operations. [Statutory Authority: RCW 49.17.010, .040, .050, and .060. 15-24-100 (Order 15-04), § 296-24-[redacted postal code], filed 12/01/2015, effective 01/05/2016. Order 73-5, 296-24-[redacted postal code], filed 5/9/73 and Order 73-4, 296-24-[redacted postal code], filed 5/7/73.] ## WAC 296-24-[redacted postal code] Cutting of stainless steels. You must ensure that oxygen cutting, using either a chemical flux or iron powder or gas-shielded arc cutting of stainless steel, is done using mechanical ventilation adequate to remove the fumes generated. [Statutory Authority: RCW 49.17.010, .040, .050, and .060. 15-24-100 (Order 15-04), § 296-24-[redacted postal code], filed 12/01/2015, effective 01/05/2016. Order 73-5, 296-24-[redacted postal code], filed 5/9/73 and Order 73-4, 296-24-[redacted postal code], filed 5/7/73.] ## WAC 296-24-[redacted postal code] First-aid equipment. You must ensure that first-aid equipment is available at all times. On every shift of welding operations there should be present employees trained to render first aid. You must report all injuries as soon as possible for medical attention. You must render first aid until medical attention can be provided. [Statutory Authority: RCW 49.17.010, .040, .050, and .060. 15-24-100 (Order 15-04), §…

[2] Safety Standards for General Safety and Health Standards (Chaper 296-24 WAC)

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\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ ## WAC 296-24-[redacted postal code] Portable welding machines. - (1) Counter-balance . All portable welding guns must have suitable counter-balanced devices for supporting the guns, including cables, unless the design of the gun or fixture makes counterbalancing impractical or unnecessary. - (2) Safety chains . All portable welding guns, transformers and related equipment that is suspended from overhead structures, eye beams, trolleys, etc., must be equipped with safety chains or cables. Safety chains or cables must be capable of supporting the total shock load in the event of failure of any component of the supporting system. - (3) Clevis . When trolleys are used to support portable welding equipment, they must be equipped with suitable forged steel clevis for the attachment of safety chains. Each clevis must be capable of supporting the total shock load of the suspended equipment in the event of trolley failure. - (4) Switch guards . All initiating switches, including retraction and dual schedule switches, located on the portable welding gun must be equipped with suitable guards capable of preventing accidental initiation through contact with fixturing, operator's clothing, etc. Initiating switch voltage must not exceed 24 volts. - (5) Moving holder . The movable holder, where it enters the gun frame, must have sufficient clearance to prevent the shearing of fingers carelessly placed on the operating movable holder. - (6) Grounding . The secondary and case of all portable welding transformers must be grounded. Secondary grounding may be by center tapped secondary or by a center tapped grounding reactor connected across the secondary. [Statutory Authority: RCW 49.17.010, .040, .050, and .060. 15-24-100 (Order 15-04), § 296-24-[redacted postal…

[3] Kobelco SK235SR-2, SK235SRLC-2 Operation Manual

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## R. CRAWLER BELT/TRACK TENSION The grease used to adjust the crawler belt tension is under extreme pressure in the cylinder. Use extreme caution when adjusting crawler belt tension. KEEP FACE, HANDS AND LEGS AWAY FROM THE GREASE FITTING AREA. Carefully and slowly loosen the grease fitting when lessening crawler belt tension. Never loosen grease fitting more than one complete turn. See 4-39 for the procedures to adjust the tension of the crawler belt/track. ## S. PAYING ATTENTION TO BROKEN PIECES WHEN HAMMERING when hammering Flying debris may cause injury hard metal parts, such as pin, edge, tooth, bearing, etc. Wear protective clothes such as protective glasses, safety hat, etc. during maintenance. <!-- image --> ## T. PAY ATTENTION TO REFRIGERANT OF AIR-CONDITIONER - ・ When inhaled refrigerant of air-conditioner carelessly, it will exert deadly effect to the human body. - ・ Do not bring fire near the area where the air conditioner is serviced and gas is generated. - ・ Use recovery recycling system to prevent cooling medium from escaping into atmosphere. - ・ Do not loosen the parts for refrigerant circuit because there is a possibility of loss of eyesight and frostbite by getting refrigerant in eyes and by directly touching it by hand. ## U. DO NOT HEAT HYDRAULIC EQUIPMENT OR PIPING Do not apply heat to hydraulic equipment or piping, such as welding, soldering, heating with torch, etc. Heating of hydraulic components or piping will cause gas expansion, which can easily catch fire and/or explode. - ・ Do not heat the section close to the tube and hose contained pressurized oil or other flammable materials by welding, soldering and torch. - ・ If the pressurized tube and hose is heated directly, they may be suddenly cut. When carrying out the welding and soldering works, cover the tube, hose, and other flammable materials with fire-proofed cover for fire prevention. - ・ Before welding and gas cutting, remove flammable fluid completely with nonflammable s…

[4] Safety Standards for General Safety and Health Standards (Chaper 296-24 WAC)

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\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ - (iii) See that cutting and welding are so scheduled that plant operations that might expose combustibles to ignition are not started during cutting or welding. - (d) Must secure authorization for the cutting or welding operations from the designated management representative. - (i) Must determine that the cutter or welder secures their approval that conditions are safe before going ahead. - (ii) Must determine that fire protection and extinguishing equipment are properly located at the site. - (iii) Must ensure fire watches are available at the site when required. - (15) Fire prevention precautions . You must permit cutting or welding only in areas that are or have been made fire safe. Within the confines of an operating plant or building, cutting and welding should preferably be done in a specific area designed for such work, such as a maintenance shop or a detached outside location. Such areas should be of noncombustible or fire-resistive construction, essentially free of combustible and flammable contents, and suitably segregated from adjacent areas. When work cannot be moved practically, as in most construction work, you must make the area safe by removing combustibles or protecting combustibles from ignition sources. [Statutory Authority: RCW 49.17.010, .040, .050, and .060. 18-03-159 (Order 17-24), § 296-24-[redacted postal code], filed 01/23/2018, effective 02/23/2018. Statutory Authority: RCW 49.17.010, .040, .050, and .060. 15-24-100 (Order 15-04), § 296-24-[redacted postal code], filed 12/01/2015, effective 01/05/2016. Statutory Authority: Chapter 49.17 RCW. 94-15-096 (Order 94-07), 296-24-[redacted postal code], filed 7/20/94, effective 9/20/94; Order 73-5, 296-24-[redacted postal code], filed 5/9/73 and Order 73-4, 296-24-[redacted…

[5] Safety Standards for General Safety and Health Standards (Chaper 296-24 WAC)

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\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ during overhead welding or cutting operations. Leather skull caps may be worn under helmets to prevent head burns. - (g) For overhead welding and cutting, or welding and cutting in extremely confined spaces, ear protection is sometimes desirable. - (h) Where there is exposure to sharp or heavy falling objects, or a hazard of bumping in confined spaces, hard hats or head protectors must be used. [Statutory Authority: RCW 49.17.010, .040, .050, and .060. 15-24-100 (Order 15-04), § 296-24-[redacted postal code], filed 12/01/2015, effective 01/05/2016. Statutory Authority: RCW 49.17.010, .040, .050. 01-11-038 (Order 99-36), § 296-24-[redacted postal code], filed 05/09/01, effective 09/01/01. Statutory Authority: Chapter 49.17 RCW. 94-20-057 (Order 94-16), 296-24-[redacted postal code], filed 9/30/94, effective 11/20/94; Order 73-5, 296-24-[redacted postal code], filed 5/9/73 and Order 73-4, 296-24-[redacted postal code], filed 5/7/73.] ## WAC 296-24-[redacted postal code] Work in confined spaces. - (1) General . As used herein confined space is intended to mean a relatively small or restricted space such as a tank, boiler, pressure vessel, or small compartment of a ship. - (2) Ventilation . Ventilation is a prerequisite to work in confined spaces. For ventilation requirements see WAC 296-24-[redacted postal code] through 296-24-[redacted postal code]. - (3) Securing cylinders and machinery . When welding or cutting is being performed in any confined spaces you must leave the gas cylinders and welding machines on the outside. Before operations are started, you must securely block heavy portable equipment mounted on wheels to prevent accidental movement. - (4) Lifelines . Where a welder must enter a confined space through a manhole or other smal…

[6] Rules for the Administration of the Oregon Safe Employment Act (General Occupational Safety and Health, Division 2, OSHA Oregon)

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Oregon Occupational Safety and Health Division Oregon Administrative Rules <!-- image --> 2BDivision 2 ## [redacted phone] Welding or Cutting Containers - (1) No welding, torch or abrasive cutting, or other hot work shall be performed on drums, barrels, tanks or other containers until they have been cleaned so thoroughly as to make absolutely certain that there are no flammable materials present or any substances such as greases, tars, acids, surface coatings or other materials which when subjected to heat, might produce flammable or toxic vapors. Any pipe lines or connections to the drum or vessel shall be disconnected or blanked. - (2) In order to meet the 'absolutely certain' test required in subsection (1) of this rule, appropriate testing equipment shall be used prior to and frequently during the welding, torch or abrasive cutting or other hot work operation to insure that the container is free and remains free of flammable or toxic vapors. - (ii) Venting and purging. All hollow spaces, cavities or containers shall be vented to permit the escape of air or gases before preheating, cutting or welding. Purging with inert gas is recommended. - (4) Confined spaces. - (i) Accidental contact. When arc welding is to be suspended for any substantial period of time, such as during lunch or overnight, all electrodes shall be removed from the holders and the holders carefully located so that accidental contact cannot occur and the machine be disconnected from the power source. - (ii) Torch valve. In order to eliminate the possibility of gas escaping through leaks or improperly closed valves, when gas welding or cutting, the torch valves shall be closed and the gas supply to the torch positively shut off at some point outside the confined area whenever the torch is not to be used for a substantial period of time, such as during lunch hour or overnight. Where practicable, the torch and hose shall also be removed from the confined space. - (b) Protection of personnel. - …

[7] Rules for the Administration of the Oregon Safe Employment Act (General Occupational Safety and Health, Division 2, OSHA Oregon)

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Oregon Occupational Safety and Health Division Division 2 ## 1910.272 Grain Handling Facilities - (a) Scope. This section contains requirements for the control of grain dust fires and explosions, and certain other safety hazards associated with grain handling facilities. It applies in addition to all other relevant provisions of Part 1910 (or Part 1917 at marine terminals). Note to paragraph (a): For grain-handling facilities in the marine-terminal industry only, 29 CFR 1910.262 is to be enforced consistent with the interpretations in OSHA Compliance Directive 02-00-066, which is available on OSHA's web page at www.osha.gov. - (b) Application. - (1) Paragraphs (a) through (n) of this section apply to grain elevators, feed mills, flour mills, rice mills, dust pelletizing plants, dry corn mills, soybean flaking operations, and the dry grinding operations of soycake. - (2) Paragraphs (o), (p), and (q) of this section apply only to grain elevators. - (c) Definitions. - Choked leg means a condition of material buildup in the bucket elevator that results in the stoppage of material flow and bucket movement. A bucket elevator is not considered choked that has the up-leg partially or fully loaded and has the boot and discharge cleared allowing bucket movement. Flat storage structure means a grain storage building or structure that will not empty completely by gravity, has an unrestricted ground level opening for entry, and must be entered to reclaim the residual grain using powered equipment or manual means. - Fugitive grain dust means combustible dust particles, emitted from the stock handling system, of such size as will pass through a U.S. Standard 40 mesh sieve (425 microns or less). Grain elevator means a facility engaged in the receipt, handling, storage, and shipment of bulk raw agricultural commodities such as corn, wheat, oats, barley, sunflower seeds, and soybeans. Hot work means work involving electric or gas welding, cutting, brazing, or similar flame p…

[8] Occupational Safety and Health Standards (OSHA 29 CFR 1910)

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## 29 CFR 1910 (OSHA) - (ii) Piping systems (including piping components such as valves); - (iii) Relief and vent systems and devices; - (iv) Emergency shutdown systems; - (v) Controls (including monitoring devices and sensors, alarms, and interlocks) and, - (vi) Pumps. - (2) Written procedures. The employer shall establish and implement written procedures to maintain the on-going integrity of process equipment. - (3) Training for process maintenance activities. The employer shall train each employee involved in maintaining the on-going integrity of process equipment in an overview of that process and its hazards and in the procedures applicable to the employee's job tasks to assure that the employee can perform the job tasks in a safe manner. - (4) Inspection and testing. (i) Inspections and tests shall be performed on process equipment. - (ii) Inspection and testing procedures shall follow recognized and generally accepted good engineering practices. - (iii) The frequency of inspections and tests of process equipment shall be consistent with applicable manufacturers' recommendations and good engineering practices, and more frequently if determined to be necessary by prior operating experience. - (iv) The employer shall document each inspection and test that has been performed on process equipment. The documentation shall identify the date of the inspection or test, the name of the person who performed the inspection or test, the serial number or other identifier of the equipment on which the inspection or test was performed, a description of the inspection or test performed, and the results of the inspection or test. - (5) Equipment deficiencies. The employer shall correct deficiencies in equipment that are outside acceptable limits (defined by the process safety information in paragraph (d) of this section) before further use or in a safe and timely manner when necessary means are taken to assure safe operation. - (6) Quality assurance. (i) In the construction o…

[9] Rules for the Administration of the Oregon Safe Employment Act (Construction, Division 3, OSHA Oregon)

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Oregon Administrative Rules Oregon Occupational Safety and Health Division ## FIRE PREVENTION J ## §1926.352 Fire Prevention. - (a) When practical, objects to be welded, cut, or heated shall be moved to a designated safe location or, if the objects to be welded, cut, or heated cannot be readily moved, all movable fire hazards in the vicinity shall be taken to a safe place, or otherwise protected. - (b) If the object to be welded, cut, or heated cannot be moved and if all the fire hazards cannot be removed, positive means shall be taken to confine the heat, sparks, and slag, and to protect the immovable fire hazards from them. - (c) No welding, cutting, or heating shall be done where the application of flammable paints, or the presence of other flammable compounds, or heavy dust concentrations creates a hazard. - (d) Suitable fire extinguishing equipment shall be immediately available in the work area and shall be maintained in a state of readiness for instant use. - (e) When the welding, cutting, or heating operation is such that normal fire prevention precautions are not sufficient, additional personnel shall be assigned to guard against fire while the actual welding, cutting, or heating operation is being performed, and for a sufficient period of time after completion of the work to ensure that no possibility of fire exists. Such personnel shall be instructed as to the specific anticipated fire hazards and how the firefighting equipment provided is to be used. - (f) When welding, cutting, or heating is performed on walls, floors, and ceilings, since direct penetration of sparks or heat transfer may introduce a fire hazard to an adjacent area, the same precautions shall be taken on the opposite side as are taken on the side on which the welding is being performed. - (g) For the elimination of possible fire in enclosed spaces as a result of gas escaping through leaking or improperly closed torch valves, the gas supply to the torch shall be positively shut off…

[10] Occupational Health and Safety Code

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- (i) operate below the temperature that would ignite a flammable substance present in the hazardous location, or - (ii) are shielded or blanketed in such a way as to prevent a flammable substance in the hazardous location from contacting the surface, ## and - (c) the combustion air intake and exhaust discharge are equipped with a flame arresting device or are located outside the hazardous location. 168 (6) If it is not reasonably practicable to comply with subsection (5)(b), an employer must ensure that another effective safeguard is established. ## Hot work 169 (1) Despite any other section in this Part, an employer must ensure that hot work is done in accordance with subsections (2) and (3) if - (a) the work area is a hazardous location, or - (b) the work area is not normally a hazardous location but an explosive atmosphere may exist for a limited time because - (i) a flammable substance is or may be in the atmosphere of the work area, - (ii) a flammable substance is or may be stored, handled, processed or used in the location, - (iii) the hot work is on or in an installation or item of equipment that contains a flammable substance or its residue, or - (iv) the hot work is on a vessel that contains residue that may release a flammable gas or vapour when exposed to heat. - 169 (2) An employer must ensure that hot work is not begun until - (a) a hot work permit is issued that indicates - (i) the nature of the hazard, - (ii) the type and frequency of atmospheric testing required, - (iii) the safe work procedures and precautionary measures to be taken, and - (iv) the protective equipment required, - (b) the hot work location is - (i) cleared of combustible materials, or - (ii) suitably isolated from combustible materials, - (c) procedures are implemented to ensure continuous safe performance of the hot work, and - (d) testing shows that the atmosphere does not contain - (i) a flammable substance, in a mixture with air, in an amount exceeding 20 percent of that …

[11] Safety Standards for General Safety and Health Standards (Chaper 296-24 WAC)

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\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ - Note: In gas welding or oxygen cutting where the torch produces a high yellow light, is not desirable to use a filter or lens that absorbs the yellow or sodium line in the visible light of the operation. - (j) All filter lenses and plates must meet the test for transmission of radiant energy prescribed in ANSI Z 87.1-1968--American National Standard Practice for Occupational and Educational Eye and Face Protection. - (3) Protection from arc welding rays . Where the work permits, the welder should be enclosed in an individual booth painted with a finish of low-reflectivity such as zinc oxide (an important factor for absorbing ultraviolet radiations) and lamp black, or must be enclosed with noncombustible screens similarly painted. Booths and screens must permit circulation of air at floor level. You must protect workers or other persons adjacent to the welding areas from the rays by noncombustible or flameproof screens or shields or they must be required to wear appropriate goggles. [Statutory Authority: RCW 49.17.010, .040, .050, and .060. 15-24-100 (Order 15-04), § 296-24-[redacted postal code], filed 12/01/2015, effective 01/05/2016. Statutory Authority: RCW 49.17.010, .040, .050. 01-11-038 (Order 99-36), § 296-24-[redacted postal code], filed 05/09/01, effective 09/01/01. Statutory Authority: Order 73-5, 296-24-[redacted postal code], filed 5/9/73 and Order 73-4, 296-24-[redacted postal code], filed 5/7/73.] ## WAC 296-24-[redacted postal code] Protective clothing. - (1) General requirements . You must protect employees exposed to the hazards created by welding, cutting, or brazing operations by personal protective equipment in accordance with the requirements of chapter 296-24 WAC, Part I, and WAC [redacted identifier]. Appropriate prote…

[12] Occupational Safety and Health Standards (OSHA 29 CFR 1910)

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## 29 CFR 1910 (OSHA) - (2) The permit shall document that the fire prevention and protection requirements in 29 CFR 1910.252(a) have been implemented prior to beginning the hot work operations; it shall indicate the date(s) authorized for hot work; and identify the object on which hot work is to be performed. The permit shall be kept on file until completion of the hot work operations. - (l) Management of change. (1) The employer shall establish and implement written procedures to manage changes (except for 'replacements in kind') to process chemicals, technology, equipment, and procedures; and, changes to facilities that affect a covered process. - (2) The procedures shall assure that the following considerations are addressed prior to any change: - (i) The technical basis for the proposed change; - (ii) Impact of change on safety and health; - (iii) Modifications to operating procedures; - (iv) Necessary time period for the change; and, - (v) Authorization requirements for the proposed change. - (3) Employees involved in operating a process and maintenance and contract employees whose job tasks will be affected by a change in the process shall be informed of, and trained in, the change prior to start-up of the process or affected part of the process. - (4) If a change covered by this paragraph results in a change in the process safety information required by paragraph (d) of this section, such information shall be updated accordingly. - (5) If a change covered by this paragraph results in a change in the operating procedures or practices required by paragraph (f) of this section, such procedures or practices shall be updated accordingly. - (m) Incident investigation. (1) The employer shall investigate each incident which resulted in, or could reasonably have resulted in a catastrophic release of highly hazardous chemical in the workplace. - (2) An incident investigation shall be initiated as promptly as possible, but not later than 48 hours following the inciden…

[13] Rules for the Administration of the Oregon Safe Employment Act (General Occupational Safety and Health, Division 2, OSHA Oregon)

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Division 2 Oregon Occupational Safety and Health Division Inside bucket elevator means a bucket elevator that has the boot and more than 20 percent of the total leg height (above grade or ground level) inside the grain elevator structure. Bucket elevators with leg casings that are inside (and pass through the roofs) of rail or truck dump sheds with the remainder of the leg outside of the grain elevator structure, are not considered inside bucket elevators. Jogging means repeated starting and stopping of drive motors in an attempt to clear choked legs. Lagging means a covering on drive pulleys used to increase the coefficient of friction between the pulley and the belt. Permit means the written certification by the employer authorizing employees to perform identified work operations subject to specified precautions. - (d) Emergency action plan. The employer shall develop and implement an emergency action plan meeting the requirements contained in OAR 437-0020042. ## (e) Training. - (1) The employer shall provide training to employees at least annually and when changes in job assignment will expose them to new hazards. Current employees, and new employees prior to starting work, shall be trained in at least the following: - (i) General safety precautions associated with the facility, including recognition and preventive measures for the hazards related to dust accumulations and common ignition sources such as smoking; and, - (ii) Specific procedures and safety practices applicable to their job tasks including but not limited to, cleaning procedures for grinding equipment clearing procedures for choked legs, housekeeping procedures, hot work procedures, preventive maintenance procedures and lockout/tagout procedures. - (2) Employees assigned special tasks, such as bin entry and handling of flammable or toxic substances, shall be provided training to perform these tasks safely. Note to paragraph (e)(2): Training for an employee who enters grain storage structur…

[14] Occupational Health and Safety Regulations, 2020 (Sask. Reg. 10/2020)

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## OCCUPATIONAL HEALTH AND SAFETY, 2020 ## Flammable or explosive substance in atmosphere - 25-11 (1) If a flammable or explosive substance is present in the atmosphere of a worksite at a level that is more than 20% of the lower explosive limit of that substance, an employer or contractor shall not require or permit a worker to enter or work at the worksite. - (2) Subsection (1) does not apply to: - (a) a firefighter who has been trained pursuant to section 32-4; or - (b) a competent worker who meets the requirements of subsection (3) and who is acting in an emergency situation at the place of employment. - (3) An employer shall ensure that: - (a) the competent worker mentioned in clause (2) (b) is trained, equipped and works according to an approved standard; - (b) the training required by clause (a) is provided by a competent person; and - (c) a written record is kept of all training delivered to a worker pursuant to clause (a). 31 Dec 2020 c S-15.1 Reg 10 s25-11. ## Hot work - 25-12 (1) If a flammable substance is or may be present, an employer or contractor shall ensure that no hot work is performed until: - (a) suitable tests have been conducted that: - (i) indicate whether the atmosphere contains a flammable substance in a quantity sufficient to create an explosive atmosphere; and - (ii) confirm that the work may be safely performed; and - (b) the work procedures developed pursuant to clause 25-5(1) (b) have been implemented to ensure continuous safe performance of the work. - (2) While hot work is being performed, an employer or contractor shall conduct tests described in clause (1) (a) at intervals appropriate to the work being performed and record the results. - (3) An employer or contractor shall not require or permit any hot work to be performed in the vicinity of a material that may constitute a fire hazard until suitable steps have been taken to reduce the risk of fire. - (4) An employer or contractor shall ensure that a container or piping that…

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