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. Workshop practices and personal protective equipment. Safety hazards from these operations include burns, eye damage, electrical shock, cuts, and crushed toes and fingers. Ground equipment and place it on an independent circuit with the correctsized fuse or circuit breaker. See more ideas about welding, safety and safety posters. Pdf safety and security conditions in welding processes.
Some of the most common types of welding include arc welding, which includes stick or shielded metal arc welding smaw. Health hazards are primarily respiratory hazards due to the generation of fumes and gases. During any welding operation the fume extraction system must be used. Welding, cutting, and allied processes supersedes ansi z49.
In order to discuss the various aspects of welding, cutting and brazing safety, first we need to cover the basics in this first module. No welding may be undertaken unless the technicianincharge is satisfied that the person is capable of doing so safely. Outline the welfare facilities that should be provided in the. Our team of more than 30 experts, including welders, assemblers, technicians and engineers, holds the highest levels of certification required for the repair and rehabilitation of specialized units. Therefore, its important that you are aware of the risks and hazards welding poses, and understand what precautions you can take to protect yourself. A qualitative study of the hazards associated with a small engineering welding workshop and their control measures by kurina baksh risk assessment presented to the faculty of science and technology at the university of the west indies in partial fulfillments of requirements for advanced occupational health and safety. Welding handbook welding and related processes for repair and maintenance onboard 14th edition 2nd revision notice. Safety in gas welding, cutting and similar processes this leaflet is for people who use compressed gases for welding, hot cutting and similar processes. Ignoring the safety measures may cause welders to encounter such dangers as electric shock, overexposure to fumes and gases, arc radiation.
The workshop environment the employer needs to ensure that the lighting conditions are adequate for the work undertaken giving extra lighting where necessary. Welding and metal fabrication book pdf by larry jeffus. Methods for their safe use are outlined in tn7 chapter 5. For everyone involved in any phase of welding steel structuresengineers, detailers, fabricators, erectors, inspectors, etc. Welding and metal fabrication is designed to help you develop all of the skills to become a highly paid versatile welder. Many of these can be controlled with proper work practices and personal protective equipment ppe. Some hazards are common to both electric arc and oxygenfuel gas welding. Flux cored arc welding fcaw gas metal arc welding gmaw, also known as. Code of practice safety and health at work for manual electric arc welding 3 welding operation, including, but not limited to, welding transformer, welding cables, electrode holder. The purpose of these welding safety procedures is to provide safety guidelines while performing welding tasks on or around. There is also a workplace assessment tool and a permit to work form.
Avoid welding in wet or damp areas, to prevent electrical shock. Welding hazards and safety precautions high speed training. What will we do at the worksite to prevent injuries from arc welding and electrical hazards. Welding safety hazards and precautions health and safety. Shop staff approval is required before using any welding equipment. Cylinder valves to be closed when work is finished.
Resistance welding is a metaljoining process where welding heat is generated at the joint by the resistance to the flow of electric current. In addition, it is designed to make the process of learning to weld interesting and rewarding by having everything you weld on becoming something you. This is userfriendly illustrated guidance that covers a range of topics including training and qualifications, fire and explosion prevention, local exhaust ventilation, and noise and vibration. If you work with or near a welding operation, the following general precautions should. Health and safety in welding pdf 564 kb welding health and safety assessment. Wear snug fitting clothing that will not burn or melt readily and welding gloves. The aws safety in welding course provides a comprehensive overview of welding safety and best practices in an accessible and engaging format. Fire prevention measures for cutting, welding, and related.
Produced by the health and safety department, the university of edinburgh workshop self inspection checklist welding work02 welding areas and operations assessor location date this core checklist is provided by the health and safety department as a template, which provides a basic framework for the conduct of a school selfinspection of the. Arc welding underground before any work begins, obtain a hot work permit as outlined in the hot work permit procedure. These are wire rods of various diameters, metals and alloys. Welders, assistants, and anyone else in the welding area. Production of this book to welding was prompted originally by a wish for an uptodate reference on applications in the field. Understand and identify the problems of welding ferrous and nonferrous metals. This is a method for cutting or removing metal by melting it with an electric arc and then blowing.
Safety and health topics welding, cutting, and brazing. Safety tips never look directly into a welding spark, even with tinted eye protection. Being aware of the most common welding hazards and the necessary precautions ensures a safe working environment. 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. Safety in gas welding, cutting and similar processes. Welding safety procedures thompson rivers university. Carry out all welding operations in safe, clean and dry location under normal workshop conditions, use a local fume extractor wherever possible and maintain its position close to the weld as work progresses check for possible toxic hazards from parent metal specially if surface is painted, plated or chemically treated, or. Understand, select and prepare electrodes for welding. This document should be read and understood by all persons involved with welding and cutting. The content has been chosen so that it can be used as a textbook for european welding courses in accordance with guidelines from the european welding federation. Welding operations continued 3 y are helpers or observers wearing proper eye protection to prevent flash burns. How to manage work health and safety risks code of practice pdf 368kb there are five general categories of control measures. Health hazards from welding, cutting, and brazing operations include exposures to metal fumes and to ultraviolet uv radiation. Welding is associated with several hazards to health and safety, and the employer needs to be able to ask informed questions.
This article looks at the safety aspects of different types of welding processes and assesses precautions to be taken. In the welding process, a filler metal, and the work piece are heated to form the weld using an electric arc or combustion gas. All welding is carried out on the welders own risk and account. When these measures are overlooked, welders can encounter such dangers as electric shock, overexposure to fumes and gases, arc radiation, and fire and explosion. Workplace safety condition of being safe from risk or danger in the workplace. Welding and metal fabrication book pdf boilersinfo. Risk assessment for a small engineering welding workshop. Welding necessitates careful risk assessment and the provision of good procedures, but it is not difficult to provide protection for welders that makes the job no more hazardous than any other workshop practice. Additional sources for arc welding safety are given in the references. Understand constant voltage, constant potential welding power units.
Background doe fire protection program requirements and supplemental guidance relating to safety during cutting and welding operations and related activities are contained in a number of. Focus on the weld pool, which forms just behind the spark, and make tight circles or zigzags for a strong finished product. Welding welding is a method for joining pieces of metal. Demonstrate personal safety, good work habits and job safety. Arc welding is a safe occupation when sufficient measures are taken to protect the welder from potential hazards. Control of international workplacehazards element 1. Welders can be stationary, electric powered or portable, dieselgas powered. It describes the hazards associated with portable oxyfuel gas equipment and the precautions for avoiding injury and damage to property.
Compressed gases in cylinders pose a number of hazards. Rev date 09302014 printed copies of this document are uncontrolled. Gas tungsten arc welding gtaw or tungsten inert gas tig welding. Arc welders use a powerful electric arc to make and repair plain, coated, or treated metal items. Five tips for preventing welding fires american welding. Welding should be executed by a qualified and experienced welder and adequate safety measures should always be. Federal or other laws and standards may govern different operations and facilities. Set up and trouble shoot gas metal arc welding equipment. 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 health and safety environmental health and safety. 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 chemicals. Welding operations present several hazards to both those undertaking the activity and others in the vicinity. Welding hazards pose an unusual combination of safety and health risks.
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