A Safe Journey with UNITOR
Norwegian Training Center - Manila
A SAFE JOURNEY WITH UNITOR
Welding and Flame Cutting elsewhere than in workshop should be the subject of a “HOT WORK PERMIT”
A Safe Journey with UNITOR
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Norwegian Training Center - Manila
Production welding is done under optimum conditions. The appropriate equipment is provided for and the specification are set.
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Norwegian Training Center - Manila
Maintenance and repair welding onboard involves a host of unknowns. Problems relate to chemical composition of the base metals, weldability, pre and post heat, choice of electrode, and the handicaps of field welding.
A Safe Journey with UNITOR
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Norwegian Training Center - Manila
PROTECT THE EYES
Never expose bare eyes to the glare and rays from the ARC! This will cause arc-eye (very painful) and damage to the ayes. Use filter glass of correct grade.
Amperage Below 20 A 20 – 40 A 40 – 80 A 80 – 175 A 175 – 300 A 300 – 500 A
A Safe Journey with UNITOR
Grade 8 9 10 11 12 13
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Norwegian Training Center - Manila
A Safe Journey with UNITOR
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Norwegian Training Center - Manila
Train the crew to do the repair welding work themselves instead of subcontracting it away.
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Norwegian Training Center - Manila
What about your welding technique? Could you need a bit of time at the welding school?
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Norwegian Training Center - Manila
Both welding cable and return cable should be stretched to the welding site Remember that if you connect the return cable in the ships structure you are actually standing on the return current
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Norwegian Training Center - Manila
Place the return clamp as near to where the welding takes place as possible. If you don’t, the return current might travel through ball bearings and other critical machine parts and destroy them.
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Norwegian Training Center - Manila
If you are a smoker remember that disposable plastic cigarette lighters kept in pockets may cost you your life on a welding job. Should a spark fall into your pocket the lighter may explode, resulting in extensive, even fatal burns. Always leave your lighter behind when you shall weld.
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Norwegian Training Center - Manila
Prevent sparks dropping down hatchways or hold ventilators. Keep fire extinguishers ready.
A Safe Journey with UNITOR
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Norwegian Training Center - Manila
Before hot work is begun, check that there are no combustible solids, liquids or gases, at below or adjacent to welding area.
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Norwegian Training Center - Manila
Remember that protective clothing is not only meant to protect you from burns spatter and arc radiation but also serves as an insulator so you don’t become part of the electric circuit
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Norwegian Training Center - Manila
Hoses and cables should be kept clear of passage ways.
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Norwegian Training Center - Manila
To work with worn or damaged welding cables is extremely dangerous. Inspect the condition of the cables regularly. Worn cables should be replaced, not “Repaired” with insulation tape. If the damage is local the damaged part should be cut away and the cable joined with a cable connector.
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Norwegian Training Center - Manila
Be sure you never get any electric shock when using electric equipment.
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Norwegian Training Center - Manila
DO NOT lean directly on to the structure if the return current runs through it, but make sure to insulate yourself using either a RUBBER MAT or WOOD.
A Safe Journey with UNITOR
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Norwegian Training Center - Manila
In no circumstances should a welder work while standing in water. Water and electricity do not mix.
A Safe Journey with UNITOR
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Norwegian Training Center - Manila
DO NOT weld on drums or tanks before they are cleaned and made absolutely gas free.
A Safe Journey with UNITOR
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Norwegian Training Center - Manila
Poisonous gas might develop during welding caused by elements in the base materials or due to paints and metal coatings on the surface.
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Norwegian Training Center - Manila
HAVE ELECTRODES BEEN PROPERLY STORED?
If electrodes are left in the open air they start to attract moisture. When the electrode is used the moisture in the coating goes over as Hydrogen Porosity in the weld. This will in time develop into Hydrogen Cracking.
A Safe Journey with UNITOR
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Norwegian Training Center - Manila
WHY IS IT THAT THE WELD I DID ONE WEEK AGO HAVE CRACKED.
A Safe Journey with UNITOR
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