UCLA General Services



|[pic] |Facilities Management – Sheet Metal |

| |Job Safety Analysis – Arc Welding |

| |501 Westwood Plaza, 4th Floor • Los Angeles, CA 90095 |

| |Phone: 310-825-5689 • Fax: 310-825-7076 • ehs.ucla.edu |

|Picture of task/equipment: |Task: |Stick Welding (SMAW) |

|[pic] |Name of Shop or Dept: |FM Sheet Metal |

| |Job Title(s): |Sheet Metal Craftsman, Welder |

| |Analyzed by: |N. Mansky/G. Jasso, J. Cordoro |

| |Date: |4/22/2013 |

|Required PPE: |

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|Safety Glasses Leathers Work Boots Welding Respirator Hood Earplugs |

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|Required/Recommended Trainings: |

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|Half-face Respirator Training |

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|TASK |

|HAZARDS |

|CONTROLS |

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|Stick Welding on various metals |

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|[pic] |

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|Burns to eyes & skin |

|from molten metal |

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|Infrared & ultraviolet radiation |

|burns to eyes & skin from arc flash |

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|Respiratory irritation and damage from fume inhalation |

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|Eye damage from flying slag particles when chipping |

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|Surround area with a welding curtain. |

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|Wear welding clothing which covers neck, torso, arms and legs. |

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|Wear leather gloves and work shoes. |

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|Wear welding cap when welding overhead. |

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|Ventilate the space using natural air draft, exhaust fan, or Welding Fume Extractor. |

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|Wear EH&S-issued respirator with North P100 cartridges or P100/Acid Gas cartridges (See attached guide). |

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|Welding Hood with proper shade number (See attached guide). |

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|Wear safety glasses |

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|Write “Hot” with chalk on welded pieces and welding table |

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Respirator Cartridge Selection Guide for all Welding Operations

Cartridge Type Welding Type Rod Examples

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|[pic] |TIG, MIG, SMAW (RODS NOT CONTAINING FLUORIDES) |Stainless, Galvanized, Aluminum, Steel, |

| | |Brass, etc. |

|North P100 | | |

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| |SMAW (RODS CONTAINING FLUORIDES) |Lincoln Excalibur, ArcAloy, Hobart Group|

|[pic] | |B & D, etc. |

|North Acid Gas Combo | | |

* Fluoride content info is listed on electrode rod Material Safety Data Sheets

Hood Lens shade specifications for SMAW

| | | |OSHA Minimum Protective |ANSI & AWS |

|Operation |Electrode Size – inch (mm) |Arc Current (Amperes) |Shade Number |Shade Number |

| | | | |Recommendations* |

| |Less than 3/32 (2.4) |Fewer than 60 |7 |- |

|Shielded Metal Arc Welding | | | | |

|(SMAW) | | | | |

| |3/32-5/32 (2.4-4.0) | | | |

| | |60-160 |8 |10 |

| |More than 5/32-1/4 (4.0-6.4) | | | |

| | |More than 160-250 |10 |12 |

| |More than 1/4 (6.4) |More than 250-550 |11 |14 |

Documentation of JSA Training (signature of all users is required)

• Shop must provide training to personnel specific to the hazards involved in working with this equipment.

• Shop must provide employees with a copy of this JSA.

• Shop must ensure that personnel have attended appropriate safety training according to this JSA

I have read and understand the content of this JSA:

|Name |Signature |Date |

|Click here to enter text. | |Click here to enter a date. |

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