In most countries there is extensive legislation assigning responsibilities to employers to take reasonable care of the health and safety at work of their employees e. Ehs must evaluate all welding processes to ensure welders, bystanders and property are properly protected. Rev date 09302014 printed copies of this document are uncontrolled. Breathing these fumes and gases can be hazardous to your health.
This course introduces the student to the hazards and safety precautions related to welding, cutting, brazing and soldering. Safety in welding american welding society education online. Resistance welding is a metaljoining process where welding heat is generated at the joint by the resistance to the flow of electric current. Here are several samples of hot work permits in pdf and word format listed in no particular order. If these precautions are not feasible, shield or cover such materials with fire resistive materials to protect. Compressed gas cylinders must always be stood upright and be properly secured. Electrical shock hazards and safety precautions electric shock from electrical welding and cutting equipment can result in death or severe burns.
This article looks at the safety aspects of different types of welding processes and assesses precautions to be taken. Health hazards are primarily respiratory hazards due to the generation of fumes and gases. The department of labour has adopted the following documents, published. 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 workplace program texas department of insurance. Use care in removing safety glasses, face shields, and welding hoods so as not. Arc welding underground before any work begins, obtain a hot work permit as outlined in the hot work permit procedure.
This safety hazard is associated with operations that use electricity to generate heat. This code applies to all workplaces covered by the whs act where welding processes are carried out and to all persons involved in these activities. If proper precautions are taken, safe working environment can be. Five tips for preventing welding fires american welding. 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. Additional safety precautions are required when any of the following electrically hazardous conditions are present. Welding safety welding is often performed in collision repair shops. Exposure to thermal and chemical hazards are covered, as well as precautions including the personal protective equipment required to mitigate those hazards. Welding leathers are preferred and required if welding overhead. Use ac output only if required for the welding process. This includes welders, supervisors, management, contractors, educa. A pdf document on safety precautions to be taken on the welding shopfloor. Welding should be executed by a qualified and experienced welder and adequate safety measures should always be adhered to.
Some hazards are common to both electric arc and oxygenfuel gas welding. These precautions are based on regulatory requirements. Many hazards are associated with welding and cutting safety, but as in any other operations they can be controlled by appropriate preventive measures. Welding safety yale environmental health and safety. Introduction recently, a number of fires and related incidents involving cutting or welding activities and other sources of open flame and heat have been reported at doe facilities. It is based on 29 code of federal regulations cfr part 1910. Consequently, this course discusses only general precautions pertaining to gas welding and to metalarc welding. Welding, cutting, and brazing safety oshacademy free. Hot work pdf files browse our collection of hot work files in pdf format. In order to discuss the various aspects of welding, cutting and brazing safety, first we need to cover the basics in this first module. Occupational safety division, central welding supply. Welding hazards pose an unusual combination of safety and health risks.
The hot work safety policy of the university of portland. When you weld, there are a number of safety precautions that need to be observed. Safety precautions 11 fume and gas hazards fumes and gases can be hazardous welding and cutting produces fumes and gases. Cover anything that can burn but cannot be moved with. While welding poses many physical hazards it also can expose welders to a variety of health hazards.
Additionally, serious injury can occur if the welder falls as a result of the shock. Protect your eyes from welding light by wearing a welders helmet fitted with a filter shade that is suitable for the type of welding you are doing. Y are approved safety glasses required to be worn at all times in areas where there is a risk of eye injuries such as punctures, abrasions, contusions, or burns3 y are protective gloves, aprons, shields, or other means approved against cuts, corrosive liquids, and. Oct 01, 2009 this article looks at the safety aspects of different types of welding processes and assesses precautions to be taken. Unless these measures are taken, the hazardous situations can easily give rise to personnel injury andor material damage. If you continue browsing the site, you agree to the use of cookies on this website. Always wear safety glasses with side shields or goggles and face shield when chipping or grinding a work piece. Welding is associated with several hazards to health and safety, and the employer needs to be. The system must be operated as per the instructions of the manufacturer to maintain the safety in the workplace. Signs of warnings, cautions and notices are used in these instructions for emphasized information. Welding handbook welding and related processes for repair and maintenance onboard 14th edition 2nd revision notice. Flux cored arc welding fcaw gas metal arc welding gmaw, also known as metal inert gas mig welding or hand wire welding. Safety and health policy and procedure manual welding, cutting, and brazing program section 0140 i. This is a method for cutting or removing metal by melting it with an electric arc and then blowing.
Designed for the construction industry, a safety program on welding and cutting hazards. Hot work videos browse our collection of hot work videos. All welding is carried out on the welders own risk and account. Gas tungsten arc welding gtaw or tungsten inert gas tig welding. Presented in easytoaccess, online modules, the aws safety in welding. Welding workplace safety the welding management and supervisors are responsible for. And precautionsall hazardous materials used by the navy is. Clean up personnel should be protected against inhalation and eye and skin contact. Safety in welding, cutting, and allied processes american national standard z49. Federal or other laws and standards may govern different operations and facilities. The various types of welding operations are discussed.
Cylinder valves to be closed when work is finished. Welding pdf files you can use in your safety training programs. Jun 15, 2014 telsonic is one of the suppliers of ultrasonic machines. An approved code of practice is a practical guide to achieving the standards of health. Proper safety precautions must be taken when using such equipment. Additional sources for arc welding safety are given in the references. Shield metal arc welding smaw also known as manual metal arc. Read, understand, and implement all safety precautions prior to performing any welding, cutting, heating or brazing operation.
Safety compliance checklist welding operations general 29 cfr 1910 y hot work permit msfc 1155 completed and approved. Wear snug fitting clothing that will not burn or melt readily and welding gloves. Ignoring the safety measures may cause welders to encounter such dangers as electric shock, overexposure to fumes and gases, arc radiation. The retention of these permits allows for audits by the office of safety and may be required during an osha inspection.
Keeping the arc welding operator in mind, here you will find both mandatory. In addition, a trained fire watch must be posted to look for fires during and after the welding job. All cutting and welding operations performed at tufts by tufts personnel or contractors must be carried out in accordance with standards set forth by the american welding society and the appropriate american national standards institute ansi standards concerning cutting and welding. A handheld ultrasonic welding machine is one of the simplest forms of the machine. If the work cannot be moved, clear flammable materials and rubbish from the area for about a 35. Electric arc welding voltage is not dangerous to life, but the arc rays. Fire prevention measures for cutting, welding, and related. Y y mechanical ventilation is required if space is less than 10,000 cubic feet per welder, rooms having a ceiling height less than 16 feet. Additional information is available in the american welding society publications listed in the references section of this book. Welding equipment and machines are to be manufactured in accordance with as 60974. This bulletin is written with the arc welding operator in mind, containing both mandatory safety practices and those based on shop experience.
Their machines comply with the health and safety standards and at the same time they are user friendly to both the maintenance personnel and operators. Safety requirements for this type of machine are minimal. The occupational safety and health administration osha provides basic fire prevention and protection precautions to follow in the welding, cutting and brazing standard found in 29 code of federal regulations cfr 1910. Welding safety there are a variety of welding methods available today, all of which have inherent safety and health hazards associated with them. Welding health and safety ss832 march 2015 page 4 gas metal arc welding gmaw or mig metal inert gas welding is an arc welding process wherein coalescence is produced by heating with an arc between a continuous filler metal electrode typically a steel alloy wire and the work. Welding and torch cutting safety make sure there are no combustible materials e. Electrode holders should be in good repair and rated for the maximum. If ac output is required, use remote output control if present on unit. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If welding is done in an area where a fire hazard exists, a welding permit should be used in accordance with established procedures. Health and safety regulations for ultrasonic welding. Control of welding hazards includes avoiding eye injury, using respiratory protection, ventilating the. Oxygen storage the orifice at the top of the bottle is the diameter of the lead in a pencil if the bottle top is damaged, the bottle can become a projectile causing injury or property damage. This document should be read and understood by all persons involved with welding and cutting.
These culminated in a fatality at the k25 site in oak ridge, tennessee, on february, 1997. Indicates a hazardous situation which, if not avoided, will result in death or serious injury. When any of the welding processes are used, the shielded from the air in order to obtain a high molten puddle of metal should be quality weld deposit. Without the proper safety precautions, fumes and gases from arc welding, cutting and allied processes can irritate your breathing and may even be dangerous to your health. When these measures are overlooked, welders can encounter such dangers as electric shock, overexposure to fumes and gases, arc radiation, and fire and explosion. 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. Welding safety precautions the occupational safety and health administration osha provides basic fire prevention and protection precautions to follow in the welding, cutting and brazing standard found in 29 code of federal regulations cfr 1910.
Jan 14, 2016 a pdf document on safety precautions to be taken on the welding shopfloor. Protective valve caps should be installed when cylinders are not in. Y y mechanical ventilation is required if space is less than 10,000 cubic. The purpose of these welding safety procedures is to provide safety. Safety precautions when operating welding equipment vary considerably because of the different types of equipment involved. Precautions to be taken during welding your article library. This article throws light upon the four main precautions to be taken during welding. Special precautions which must be considered include. Although this code focuses on welding processes, it may also be relevant to manage the risks associated with allied. Welding welding is a method for joining pieces of metal.
When cutting or welding outside a designated area, remove the work to a safe location free of combustible materials if possible. Welding operations continued 3 y are helpers or observers wearing proper eye protection to prevent flash burns. Welding safety procedures thompson rivers university. 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. If you work with or near a welding operation, the following general. During the training session have personal protective. Where specific requirements or safety precautions are not known, workers are to seek advice from a competent person prior to undertaking the work.