Ground equipment and place it on an independent circuit with the correctsized fuse or circuit breaker. Welding sparks and slag from the welding landed in the shavings, causing a violent fire that engulfed ben. Disconnect the welding machines from the power supply when they are left unattended. Presented in easytoaccess, online modules, the aws safety in welding. Regarding safe welding practices, the principal hazards are associated with electric. Other reference materials safety in welding and cutting, by the american welding association.
Inspect the arc welder before starting any operation. Some hazards are common to both electric arc and oxygenfuel gas welding. Electrical safety in arc welding, hse books, 1995 the arc welder at work welding manufacturers association bs en 60 9742007 arc welding power sources, equipment and accessories, part 10, specification for safety requirements of arc welding equipment. It also describes the steps and measures to be taken in. Welding equipment working with flames, chemicals, and hot metal puts welders at risk of burns, cuts, eye injuries, and exposure to welding fumes. Welding helmets and shields should be nonreflective and free of cracks, gaps, and openings. Goggles or safety glasses and welding helmetsshields protect your eyes from flying sparks, chipped slag, and uv light. Federal or other laws and standards may govern different operations and facilities.
Use the correct filter setting for the power output of the arc welder. Welding and safety this training material has been prepared by 3m for the purpose of helping you understand applicable osha standards, or other safety regulations, workplace hazards, and safe workplace practices. Do not watch the electric arc without proper eye protection helmet or face shield with a no. Always wear protective clothing suitable for welding. Gas metal arc welding gmaw, by definition, is an arc welding process which produces the coalescence of metals by heating them with an arc between a continuously fed filler metal electrode and the work. Five tips for preventing welding fires american welding. The process uses shielding from an externally supplied gas to protect the molten weld pool. Do not wear clothing made of synthetic fibers when welding. Cop manual electric arc welding draft for consultation feb 200 2 1 1. American national standard for arcwelding equipmentpart 8. Large print, braille, audio cassette, audio cd, etext diskette, etext cd and daisy are available on demand.
So that you can protect yourself against these hazards, every welder should be familiar with american national standard ansi z49. It also describes the steps and measures to be taken in protecting workers from the hazards arising from the work, and. Protect hoses and cylinders from sparks, flames and hot metal. Eyes should be protected by transparent goggles if the person wears prescription glasses or safety. The aws safety in welding course provides a comprehensive overview of welding safety and best practices in an accessible and engaging format. The american welding society s board of directors recently authorized free electronic distribution of the current ansi z49. The area directly below ben contained magnesium shavings and cuttings. Safety quickguide, for arc welding and cutting the safe way this clear, simple, picturebased guide evolved from our years of experience in safety and precautionary labeling, and is based upon nema, aws, ansi, and nfpa standards.
Welders can be stationary, electric powered or portable, dieselgas powered. This document should be read and understood by all persons involved with welding and cutting. He died from severe burns, fire and smoke inhalation, and asphyxia. A pair of high top leather shoes, preferably safety shoes, is good protection for the feet. Ben was working from an aerial lift, welding angle iron supports to a steel joist. Additional sources for arc welding safety are given in the references. Welding, cutting, and allied processes supersedes ansi z49. For most welding, a combination extinguisher class a, b, c is best. It is the responsibility of both the employer and employees to comply with safety rules and regulations and to use all safety.
How much do you know of these safety protocols and measures. Guide to health hazards and hazard control measures with. The wrong and right ways to carry out arc welding processes are shown schematically in the figure at the end of this page. Rev date 09302014 printed copies of this document are uncontrolled. Health, safety and accident prevention arc welding twi. Its the most common fuel gas cutting and welding used in construction. This checklist helps employers and employees in general industry and construction comply with the occupational safety and health administration oshas standards for welding, cutting, and brazing. Arc welding safety measures are not only important but also fundamental in ensuring that there are no unnecessary accidents while at the job. As a arc welding safety guideline, if nonhazardous metals are being welded, ventilation systems that move a minimum of 2000 cubic feet per minute of air per welder. Each welding application requires a unique fume and plume control solution. Welding hazards pose an unusual combination of safety and health risks.
Full of practical, easytoread advice, the guide covers a wide range of hazardous situations. Stand to the side away from the regulators when opening cylinder. If low shoes are worn the ankles should be protected by fire resistant leggings. The board decided this important voluntary welding safety and health standards document should receive the widest distribution possible and has directed that.
Remove all potential fire hazards from the welding area, for at least 35 feet. Arc welding underground before any work begins, obtain a hot work permit as outlined in the hot work permit procedure. During the period of these revisions, the american standards association has become the american national standards institute and war standard asa z49. Safety and health at work for manual electric arc welding. This includes welders, supervisors, management, contractors, educa. Flux cored arc welding fcaw gas metal arc welding gmaw, also known as metal inert gas mig welding or hand wire welding. Flux cored arc welding fcaw gas metal arc welding gmaw, also known as. Mar 28, 2018 arc welding safety measures are not only important but also fundamental in ensuring that there are no unnecessary accidents while at the job.
Inspect equipment for leaks at all connections using approved leaktest solution. Welding health and safety ss832 march 2015 page 5 carbon arc cutting arc gouging is an arc cutting process in which metals to be cut are melted by the heat of a carbon arc. Welding, cutting, and brazing welding is a process that joins materials together by melting a metal work piece along with a filler metal to form a strong joint. This article gives guidelines on health and safety considerations when arc welding to ensure safe practice and prevent accidents. Arc welders use a powerful electric arc to make and repair plain, coated, or treated metal items. There are many ways in which welding can damage your health. It is based on 29 code of federal regulations cfr part 1910. Work in a well ventilated area extraction fans should be used when welding inside a workshop a vapour mask or an. Arc welding safety page 3 be protected with leather gauntlet gloves. Welding can be one of the most dangerous industrial professions, but it doesnt have to be. Wool or cotton clothing, high top leather shoes, gauntlet gloves, welding apron or leathers, and leggings are recommended.
Gas consoles for welding and plasma cutting systems arc welding equipmentpart 6. The hazards associated with this process are highlighted. Arc welding processes may present physical and health hazards to the welder, which include but are not limited to those shown in the table below. An approved code of practice is a practical guide to achieving the standards of health. Have the proper class of fire extinguisher ready for immediate use. Arc welding safety includes ventilation to remove any harmful fumes fume and welding ventilation control. Welding leathers are preferred and required if welding overhead. Wear snug fitting clothing that will not burn or melt readily and welding gloves. Safety in welding, cutting, and allied processes american national standard z49. The welding electrode holders must be connected to machines with flexible cables for welding application. The american welding societys safety and health fact sheet on fires and explosions 2 summarizes the nature of fire hazards and how they can be avoided. The board decided this important voluntary welding safety and health standards document should receive the widest distribution possible and has directed that z49.
By its nature, welding produces fumes and noise, gives off radiation, involves electricity or gases, and has the potential for burns, shock, fire, and explosions. The process may also employ the use of a filler metal. This article looks at the safety aspects of different types of welding processes and assesses precautions to be taken. Gas tungsten arc welding gtaw or tungsten inert gas tig welding. This welding safety guide contains important health and safety information for the safe use of arc welding wires and electrodes. Welding sparks and slag from the welding operation landed in the magnesium shavings, causing a violent. For information on the safe use of welding equipment, see the following resources. Protect skin and eyes from uv light, and shield your welding area from the eyes of onlookers. The area directly below him contained magnesium shavings and cuttings.
Ben was working from an aerial lift in a factory, welding angle iron supports to a steel joist. Jan 25, 2020 arc welding safety precautions should be taken to see that all machines are of the same polarity when connected to a common weldment. With the right knowledge, policies, and safety equipment, a welder can be well protected from personal. Our innovative welding safety products enable welding performance and make the welders job safer and more comfortable. For example, keep welds away from areas where materials are painted or dipped. Inspect all welding equipment to be used, prior to each use, for possible damage. Safety in welding american welding society education online. For mig welding safety do not weld near flammable materials or fumes. If you work with or near a welding operation, the following general precautions should. This is a method for cutting or removing metal by melting it with an electric arc and then blowing. In order to discuss the various aspects of welding, cutting and brazing safety, first we need to cover the basics in this first module. A guide to health hazards and hazard control measures pdf 328 kb request other formats online or call 1 800 ocanada 18006226232.
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