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HOW TO WELD??
SHORT WELDING LESSON
WELDING CAN BE HAZARDOUS
http://www.oxarc.com/welding_safety_guide.ydev
Thursday, 17 February 2011
SUPPORTIVE MATERIAL
HOW TO WELD??
WELDING CAN BE HAZARDOUS
http://www.oxarc.com/welding_safety_guide.ydev
WELDING SAFETY TRAINING INSTRUCTIONS
Things You'll Need:
- Flame-resistant clothing
- Heavy gloves and shoes
- Welding helmet with darkening shade
- Respirator mask
- First-aid kit
- Phone
- Fire extinguisher
- Insulating mat
- Fan
THESE ARE SAFETY INSTRUCTION THAT NEED TO BE FOLLOWED:
1. Clear the work area of flammable materials like paper, cloth, solvents or other combustible items.
2. Check connections so that welding equipment is properly grounded and on a suitable circuit that will not lead to overloading. Improper installation can lead to equipment problems, ground faults and fires.
3. Use the correct type of equipment for the type of welding you are doing, including nozzles, wire and gases.
4. Wear suitable clothing that covers the arms, legs, chest and shoulders. Welding produces sparks and metal slag that can cause deep burns. Put on heavy shoes to protect feet from falling metal and wear leather gloves to protect hands.
5. Wear an auto-darkening helmet when welding and ensure that the helmet lifts and falls easily to protect eyes during welding operations.
6. Stand on an insulating mat to avoid shocks and avoid welding in any wet area.
7. Hang a fire extinguisher in a convenient location for easy use if material ignites from welding sparks.
8. Purchase a first-aid kit that contains bandages, burn cream, tweezers, disinfecting solution and pain reliever. Keep the kit in the welding area.
9. Weld only in well-ventilated areas. Run a fan to remove dangerous fumes from the area. Wear a respirator mask to protect lungs from welding fumes.
Tips & Warnings:
- Weld on a concrete surface, and contain welding sparks from igniting nearby materials with a welding curtain, according to the California State Compensation Fund.
- Keep a phone on hand in case of accidents.
- Only those who are trained in welding, welding safety and the use of welding equipment should attempt to weld.
- The light from welding can produce serious burns of the eye that may not be felt for hours after it occurs, according to PlantServices.com. Ensure that the welding helmet glass is sufficiently dark to prevent injury.
- Exposure to fumes generated by welding procedures are linked to a Parkinsons-like illness called manganism, which can cause tremors, muscle rigidity, and poor balance. (see reference 3) Welding fume exposure is also associated with other symptoms such as memory loss and mood changes. Ensure that you use welding equipment in well-ventilated areas with the proper respiratory mask.
References
- California State Compensation Fund: Welding Safety
- Plant Services: 12 Tips For Improving Welding Safety
- Center For Disease Control: Welding & Manganese - Potential Neurological Effects
REGULATORY COMPLIANCES
OSHA STANDARDS
This section highlights OSHA standards, preambles to final rules (background to final rules), Federal Registers (rules, proposed rules, and notices), directives (instructions for compliance officers), and standard interpretations (official letters of interpretation of the standards) related to welding, cutting, and brazing.
Note: Twenty-five states, Puerto Rico and the Virgin Islands have OSHA-approved State Plans and have adopted their own standards and enforcement policies. For the most part, these States adopt standards that are identical to Federal OSHA. However, some States have adopted different standards applicable to this topic or may have different enforcement policies.
Note: Twenty-five states, Puerto Rico and the Virgin Islands have OSHA-approved State Plans and have adopted their own standards and enforcement policies. For the most part, these States adopt standards that are identical to Federal OSHA. However, some States have adopted different standards applicable to this topic or may have different enforcement policies.
General Industry (29 CFR 1910)
- 1910 Subpart I, Personal protective equipment [related topic page]
- Appendix B, Non-mandatory compliance guidelines for hazard assessment and personal protective equipment selection
- 1910 Subpart Q, Welding, cutting, and brazing
- 1910 Subpart Z, Toxic and hazardous substances [related topic page]
- 1910.1026, Chromium (VI)
Shipyard Employment (29 CFR 1915)Preambles to Final Rules
Marine Terminals (29 CFR 1917)
- 1915 Subpart D, Welding, cutting and heating
- 1915.51, Ventilation and protection in welding, cutting and heating
- 1915.52, Fire prevention. This section has been superseded by 1915 Subpart P, Fire protection in shipyard employment (see below).
- 1915.53, Welding, cutting and heating in way of preservative coatings
- 1915.54, Welding, cutting and heating of hollow metal containers and structures not covered by 29 CFR 1915.12
- 1915.55, Gas welding and cutting
- 1915.56, Arc welding and cutting
- 1915.57, Use of fissionable material in ship repairing and shipbuilding
- 1915 Subpart I, Personal protective equipment
- Appendix A, Non-mandatory guidelines for hazard assessment, personal protective equipment (PPE) selection, and PPE training program
- 1915 Subpart P, Fire protection in shipyard employment
- 1915.501, General provisions
- 1915.502, Fire safety plan
- 1915.503, Precautions for hot work
- 1915.504, Fire watches
- 1915.505, Fire response
- 1915.506, Hazards of fixed extinguishing systems on board vessels and vessel sections
- 1915.507, Land-side fire protection systems
- 1915.508, Training
- 1915.509, Definitions applicable to this subpart
- 1915 Subpart Z, Toxic and hazardous substances
- 1915.1026, Chromium (VI)
Construction Industry (29 CFR 1926)
- 1917 Subpart G, Related terminal operations and equipment
- 1917.152, Welding, cutting and heating (hot work). See also 29 CFR 1917.2, definition of hazardous cargo, materials, substance or atmosphere)
- 1926 Subpart J, Welding and cutting
- 1926 Subpart Z, Toxic and hazardous substances
- Air Contaminants (1989)
- Cadmium (1992)
- Personal Protective Equipment for General Industry (1994)
- Search all available preambles to final rules.
Federal Registers
- Welding, Cutting and Brazing; Extension of the Office of Management and Budget's (OMB) Aproval of Information-Collection (Paperwork) Requirements. Notice 66:29599-29601, (2001, May 31).
- Safety Standards in Shipyard Employment for Scaffolds; Welding, Cutting, and Heating; Access and Egress; and Fall Protection. Proposed Rules 67:13117, (2002, March 31).
- Search all available Federal Registers.
Directives
- Application of the Permit-Required Confined Spaces (PRCS) Standards, 29 CFR 1910.146. CPL 02-00-100 [CPL 2.100], (1995, May 5). Establishes enforcement policy and provides explanation of 29 CFR 1910.146 to ensure uniform enforcement.
- 29 CFR 1926.451(w) and 29 CFR 1926.451(a)(18) as Applied to Welding Required on Float or Ship Scaffolds. STD 03-10-006 [STD 3-10.6], (1982, August 16). Clarifies the application of 29 CFR 1926.451 to welding on float or ship scaffolds.
- 29 CFR 1926.350(a)(9) Securing of Compressed Gas Cylinders. STD 03-08-002 [STD 3-8.2], (1981, March 11). Emphasizes that 29 CFR 1926.350(a)(9) applies to transporting, moving and storing compressed gas cylinders at construction sites only.
- Replacement Welding Tips. STD 01-14-001 [STD 1-14.1], (1978, October 30). The use of replacement tips will not nullify the "approved apparatus" status of a torch, if the replacement tips are made to the same specifications as the original tip.
- Welding, Cutting or Heating of Metals Coated with Lead-Bearing Paint. STD 03-08-001 [STD 3-8.1], (1978, October 30). Explains the requirements imposed by 29 CFR 1926.353(c)(2)(i) and 29 CFR 1926.354(c)(1) when welding, cutting or heating is performed in an enclosed space on metals coated with lead-bearing paint.
Standard Interpretations
- Removal of regulators and use of valve protection caps when hoisting compressed gas cylinders. (2004, March 30).
- Employer's responsibility to protect employees from workplace hazards through appropriate hazard control methods. (2003, June 5).
- Welder electrical safety training. (1998, March 12).
- Conflict between requirements of 1910.252 and 1910.146. (1993, July 30).
- Welding and noise in confined space. (1992, January 6).
- Wearing of contact lenses while welding. (1982, October 22).
- Methylacetylene-propadiene (MAPP), stabilized, by definition, is not a liquefied petroleum gas, but is considered a fuel gas. (1976, April 16).
- Search all available standard interpretations.
REFERENCES
http://www.osha.gov/SLTC/weldingcuttingbrazing/index.html
SAFETY EQUIPMENT
WELDING SAFETY EQUIPMENT
Although the versatility of welding, and the many projects that may spring to your mind, may make it tempting to simply buy equipment and start learning how to weld. However, before you actually begin to weld, you should thoroughly plan out your safety measures. The first step is actually to ensure that you have everything that is needed to keep you and other people as safe as possible from the violent heat and poisonous substances that are involved in making a weld.
The matter of safety is not an idle concern with welding, because the process involves many extremes and close exposure to very dangerous substances and energies. Using a set of hand tools to work some object carries a few risks – you can smash your thumb with a hammer, cut yourself badly with a knife or saw, and so on. However, these relatively limited risks pale next to those that welding threatens – including serious burns, blindness, death, and setting entire buildings on fire.
Welding safety concerns three general aspects, each of which must be carefully addressed if you are not to risk serious harm to yourself or others. The first facet of welding safety involves items meant to protect you, the welder. Since the glare of an arc welder is strong enough to permanent sear the vision from your eyes simply by looking at it – a process known as abacination – you will need a auto-darkening welding visor to protect your eyes and face. The intense heat of welding can easily sear flesh and produces ultraviolet radiation strong enough to cause skin cancer on exposed skin after a time, so a pair of good welding gloves and heavyweight, long-sleeved shirts made out of natural materials are essential items of welding gear also.
The second facet comprises equipment that will keep other people and animals safe from your welding activities as well. Simply welding where passersby, delivery people, family or co-workers, or pets can be unwittingly exposed to the blazing light of the welding arc is extremely irresponsible, since you would be randomly endangering the eyesight of other living creatures. Welding screens the usual workaround for this risk, and many people find it convenient to keep a spare welding visor on hand for guests.
The third facet encompasses everything needed to keep the welding process from damaging the physical environment around you – in short, a safe workspace where fumes are properly vented rather than contaminating other occupied spaces, fires are unlikely to start and can be easily contained should they occur, and so forth. You will need a clean, above-ground work area free of flammable items, with volatile liquids stowed in a flammable materials cabinet and a fire extinguisher – as well as good set of fire-preventing habits which you should cultivate.
2. www.youtube.com
Welding safety concerns three general aspects, each of which must be carefully addressed if you are not to risk serious harm to yourself or others. The first facet of welding safety involves items meant to protect you, the welder. Since the glare of an arc welder is strong enough to permanent sear the vision from your eyes simply by looking at it – a process known as abacination – you will need a auto-darkening welding visor to protect your eyes and face. The intense heat of welding can easily sear flesh and produces ultraviolet radiation strong enough to cause skin cancer on exposed skin after a time, so a pair of good welding gloves and heavyweight, long-sleeved shirts made out of natural materials are essential items of welding gear also.
The second facet comprises equipment that will keep other people and animals safe from your welding activities as well. Simply welding where passersby, delivery people, family or co-workers, or pets can be unwittingly exposed to the blazing light of the welding arc is extremely irresponsible, since you would be randomly endangering the eyesight of other living creatures. Welding screens the usual workaround for this risk, and many people find it convenient to keep a spare welding visor on hand for guests.
The third facet encompasses everything needed to keep the welding process from damaging the physical environment around you – in short, a safe workspace where fumes are properly vented rather than contaminating other occupied spaces, fires are unlikely to start and can be easily contained should they occur, and so forth. You will need a clean, above-ground work area free of flammable items, with volatile liquids stowed in a flammable materials cabinet and a fire extinguisher – as well as good set of fire-preventing habits which you should cultivate.
For more excitement, please watch this video to see several safety equipments that used in the construction project:
REFERENCES:
1. www.weldingprojects.org/welding-safety2. www.youtube.com
WELDING ACCIDENTS
It’s one of the most regulated areas of the construction industry, but it’s also one of the most dangerous. Welding accidents injure over 500,000 workers every year – and the injuries sustained due to a welding malfunction can lead to severe burns, and even death.
Though great strides have been made in construction worker safety, over 500,000 workers are injured each year in welding accidents. Given the heat and energy required to weld a piece of metal to another to form a bond that will bear weight and withstand force, it’s not surprising that workers are injured in welding accidents.
Types of Welding Accidents
Welding involves fire and extremely high temperatures. Given the inherent dangers of welding, the risk of injury is always present. Injuries commonly result from:
- Extreme heat and burns
- Fire due to sparks, the presence of gasoline and other flammable materials, and ignited fumes
- Fatigue due to overworking, double shifts and multiple shifts
- Light headedness due to fumes
- Eye injuries
- Too-tight quarters between workers
OSHA has regulations pertaining to welding, cutting, and brazing. When these welding regulations are not followed, and a worker is injured as a result, he or she may be entitled to compensation through a construction accident lawsuit against the owner or general contractor. Depending on the severity of the injury, compensation may be awarded for both lost wages and loss of earning capacity.
Dangerous fumes that are released during welding operations are derived from the following:
- Base material being welded or the filler material that is used
- Coatings and paints on the metal being welded, or coatings converting the electrode
- Shielding gases supplied from cylinders
- Chemical reactions resulting from the action of ultraviolet light from the arc and heat
- Process and consumables used
- Contaminants in the air, for example vapors from cleaners and degreasers
Exposure to welding smoke can cause lung, heart, kidney, and central nervous system problems.
References:
- http://www.munley.com/welding_rods_dangers.html
- http://www.schmidtandclark.com/welding-accident
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ABOUT US
Our web page is all about the welder's safety in construction industry. This web page is mainly focused on safety equipment, safety regulation, safety instruction and welding accidents when workers are disobey to following the safety instruction.
Creators:
- NURUL IZZATI BINTI MD..ZAIN
- NABILAH BINTI AHMAD
- NUR AZYYATI SYAHIDA BINTI MOHD. FUDZI
OUR MAIN OBJECTIVES OF PROVIDING THIS WEB PAGE:
- Allows employees and personnel to be trained at their own pace and easily assessable anytime anywhere.
- Provides employers a cost effective and highly efficient independent assessment service.
- Improve the overall safety management system in the workplace for the welding works.
Introduction
Welding is an industrial technique that uses heat and electricity to join pieces of metal. It is used in many industries, such as the auto industry, aeronautics, manufacturing and construction. Many home projects require welding, including gate and fence repair, automotive repair and structural reinforcement. Because the process uses both heat and electricity to make the welds, operators of welding equipment must implement careful safety precautions to avoid injuries such as corneal burns, skin burns, electric shocks and respiratory problems. Proper welding and safety instructions are crucial for the health and well-being of those who do welding for repair and fabrication.
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