Long and loose hair must be contained close fittingprotective clothing must be worn. This course introduces the student to the hazards and safety precautions related to welding, cutting, brazing and soldering. Improper use of any oxyfuel equipment has the potential to cause personal injury andor property damage. Standards welding, cutting, and brazing is addressed in specific osha standards for general industry, maritime, and construction. Opening and closing procedures on gas cutting equipment. Wear flame resistant clothing when gas welding or cutting. Oxyacetylene torches how to use use of a cutting torch is not something that just anybody should do without training. Safe work practices oxyacetylene cutting torch motor safety.
Army corps of engineers safety inspection checklist gas. Ensure this oxy welder has a suitable safe work area. This booklet provides safety and health information on oxyfuel gas welding, cutting, heating. A number 4 shade lens is minimum for oxyfuel gas welding and cutting. For best results use st2600fc series torches and 38 hose when using tip size 6 or larger. The torch includes two stainless steel needle valves and tough extruded brass torch handle for a. Leather gauntlet type gloves must be worn at all times while cutting or burning. Ensure torch tips are cleaned as per manufacturers recommendations. Cutting tips and nozzles a dangerous condition, resulting in a fire or flashback. After the torch cools off, it can be examined and repaired. Oxyfuel gas cutting and welding operation of oxyfuel torches involves oxygen and flammable gases under pressure, open flames, flying slag and hot metal, meatl fumes and combustion products. These torches are high capacity, extra heavy duty cutting torches specifically designed for billet cutting or caster cutoff. Careless use of oxyfuel torches has caused many fires. Keep fire extinguishers handy and be fully knowledgeable in.
Indiana university environmental health and safety iuehs developed this program to provide occupational safety guidelines for welding, cutting and brazing wcb flame activities in order to comply with occupational safety and health administration osha regulations 29 cfr 1910. If damage is detected do not use the cutting machine. Compressed gas cylinders themselves are potential hazards. Are lighting of cutting torches or welding gas torches only done by friction or approved devices. Personal protective equipment ppe for welding and cutting. Oxyfuel gas cutting torch safety reminders fuel gas. If you light up the tip and the flame is away from the tip, decrease the acetylene pressure and let the flame come back against the tip. Here are a few facts and tips to keep our employees safe when using an oxy fuel gas cutting torch. Connect and tighten regulator, safety device see below and hose with the correct wrench only.
Portable fire extinguisher must be plainly marked and readily av ailable in close proximity to torch cutting operations. The primary purpose of the safety meetings is to give crews the opportunity to discuss any safety. If the head requires repair, take the torch to a qualified repair technician. All pressures are measured at the regulator using 25 x 14 hose through tip size 5 and 25 x 38 hose for tip size 6 and larger. During welding cutting operations, proper welding gloves and a fullface, uvray protective shield shall be worn to prevent injuries to the operator. Exposure to thermal and chemical hazards are covered, as well as precautions including the personal protective equipment required to mitigate those hazards. Use of a cutting torch nozzle in addition increases the likelihood of. Never tamper with the safety devices on cylinders, fuse plugs, safety discs, etc.
Nov 01, 2009 project managers forman will also ensure compliance with this safety policy and procedure through their auditing process. Welding, cutting, and brazing occupational safety and. Wear hearing protection, at the minimum use the insert type earplugs. Welding operations continued 3 y are helpers or observers wearing proper eye protection to prevent flash burns. Process for cutting metal using an apparatus that produces a very hot flame through the combustion of gases. Oxyacetylene cutting safety occupational safety and. Cutting torch safety understanding the fundamentals of. A common inside diameter of oxyfuel gas hose is 14 inch.
It is based on 29 code of federal regulations cfr part 1910. Arc welding and cutting safety the nature of arc welding cutting creates additional safety hazards, primarily due to the intensity of the electric current used to perform the. All safety protocols must be in place prior to the use of any gas cutting torch. The hot facts about welding and cutting safety safety. Are torch tips checked with cleaning wires designed for cleaning to ensure they are clean. Generally, the desired pressure for the acetylene gauge should never.
Oxyacetylene cutting safety in agriculture osha standard 1910. Follow the precautions in this safety section and those throughout this manual for your personal safety and the safety of people near the equipment. Fundamentals of gas cutting and welding cedengineering. This material was produced under grantsh22228sh1 from the occupational safety grant and health administration, u. Oxyfuel equipment is used extensively in construction operations to aid in performing work. This booklet provides safety and health information on oxyfuel gas welding, cutting, heating, and allied products and processes such as brazing, soldering, and use of airfuel gas equipment.
Shows proper setup and operation of oxyacetylene cutting torch. Oxyfuel gas cutting torch safety reminders fuel gas cutting tools are some of the most common tools used on our job sites, however at times, they are also some of the most misused tools. Information sources american national standards institute ansi. Managers and operators must analyze torch cutting operations to determine the level of potential exposure to hazardous materials. Feel free to write in the selfstudy workbook as this is a personal copy of the training program.
Approved goggles or face shields must be worn when welding or cutting. Check for damage on valves, fittings and seating areas. The use of a cutting torch nozzle indicates that the joint requires more heat that can be supplied by the current nozzle, possibly due to the correct size nozzle not being available or not been used. Appropriate footwear with substantial uppers must be worn. Check that harris torch and cutting tip agree with that fuel gas. Attach fuel gas hose to torch inlet fuel valve red identification, it has a lefthand thread. Department of labor, nor does mention of trade names. Lead hazards fact sheet occupational safety and health. If work cant be moved, remove combustibles from area. This procedure provides safety and health instructions regarding gas and electric welding, cutting, brazing, or similar flame or sparkproducing operations to protect personnel and property against heat, evolved gases and fumes, electrical shock, and radiation.
Oxyfuel cutting and your safety american torch tip. Check the area that you are working in for combustibles and make sure that you have a fire extinguisher within 9 meters of a cutting torch operation. If not stopped, the fire can travel through and damage the torch, hoses and explode the cylinder. The cutting torch features triangular stainless steel gas tubes for maximum strength to withstand rigorous use in the garage or shop. Safety in welding, cutting, and allied processes, z49.
Precautions and safe practices for gas welding, cutting, and. Safety in gas welding, cutting and similar processes page 3 of 11 preventing fire from heat, sparks, molten metal or direct contact with flame the flame from an oxyfuel gas torch often called a blowpipe is a very powerful source of ignition. Employees have said that it takes too long doing it this way, but this is the only. With a two hose cutting torch, preheat pressure is set by the cutting oxygen. Safety in gas welding, cutting and similar processes. 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.
Standard ppe and safety requirements welders, cutters, and their supervisor shall be trained in the safe operation of their equipment, safe welding cutting practices, and welding cutting respiratory and fire protection. Proper safety precautions must be taken when using such equipment. Other applications include steel mill scrap cutting, foundry work, and riser removal. Army corps of engineers safety inspection checklist. Completed inspect the torch handle and cutting attachment thoroughly. It does not necessarily reflect the views or policies of the u.
Safety in gas welding, cutting and similar processes hse. Underwater welding procedures and safety pile buck magazine. Oxygen acetylene cutting torch harbor freight tools. When attaching gauges to cylinders, use care not to over tighten them.
Read and understand the following safety highlights. Any gas under pressure is dangerous and must be handled with due care and attention. The primary purpose of the safety meetings is to give crews the opportunity to discuss any safety related concerns they may have. Detailed safety and operating instructions can be located within the ansi standard z49. The cutting torch uses compressed oxygen and acetylene to cut metal. To prevent electrical shock to the diver and electrical damage to the divers life support equipment, always ensure that the safety knife switch is open before changing cutting rods. Do not use a burning bar for underwater cutting operations. Y is care used in handling and storage of cylinders, safety valves, relief valves, etc. Safe operating procedures sop 15 oxy acetylene cutting. The various types of welding operations are discussed.
All cylinders, particularly acetylene, should be restrained securely in an upright position to prevent accidents. Use of a cutting torch nozzle in addition increases the likelihood of excess oxygen which as stated before is undesirable. Before connecting the cutting machine torch to the hoses you must first check the fittings for damage. For some of the information in this chapter, ihsa gratefully acknowledges its use of the canadian standards association standard cancsa w117. Proper care of oxyacetylene cutting and welding equipment. How you can become exposed to lead lead is an ingredient in thousands of products widely used throughout industry, includ. From large to small projects, this oxyacetylene cutting torch is great for a wide range of cutting applications. Adjusting alternate fuel gas cutting tip flameother than acetylene 15. Department of labor mine safety and health administration. All electrical cords shall be inspected and in good working condition prior to use no missing ground pins, no damaged cords, or frayed wires evident.
Learning about fire triangles can be pretty boring but using a cutting torch safely requires a. The occupational safety and health administration osha has developed regulations designed to protect workers involved in construction activities from the hazards of lead exposure. Oxygen and acetylene use and safety virginia department of. Box 351040, miami, florida 335 or csa standard w117.
Never use matches or a cigarette lighter to ignite the oxyacetylene torch. Steel toesteel shank work boots with metatarsal guards. 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. Keep work area free of grease, oil, and flammable materials because flying sparks can fly for several feet and. The first 4steps below will talk about putting a new tank on your oxyacetylene set and starting with step 5, how to use a cutting torch set. Construction can be a safe occupation when workers are aware of the hazards, and an effective safety and health program is used. The flame from an oxyfuel gas torch often called a blowpipe is a very powerful. A cutting torch is sometimes also called an oxy fuel torch. Straight cutting torch the hc 1400 series is a two hose design with a 30 76. Combustion requires fuel, oxygen, and heat, and as an operator, you need. Do not weld or cut unless wearing the necessary ppe as specified in this fact sheet and in ansi z49.
A member has noted a number of incidents resulting in fires caused by perished hoses and flashbacks involving oxyacetylene cutting equipment, and has shared the following information with imca for use as part of a safety flash. This information, while well researched and believed to be accurate, is for informational purposes only. Finally, never set a torch down even for a few moments unless the oxygen and gases have been shut off. At least one fire extinguisher of a suitable type and capacity.
When the use of torch welding gas equipment is suspended, is the gasfuel supply shut off and removed. There are many hazards to be considered when using oxyfuel welding, cutting, brazing and heating equipment. Ensure that all pressure gauges and regulators are in proper working order. Learning about fire triangles can be pretty boring but using a cutting torch safely requires a good understanding of combustion. Safety video training for torchcutting operations abridged. They are often found with leaking hoses, incorrect repairs, broken glass, nonfunctioning regulators, clogged tips, cracked barrels, or what have you. Turn the acetylene knob on the cutting torch about a quarter of a turn and light the acetylene. You should be familiar with the information in this booklet as well as safety in welding and cutting.
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