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Hot Work

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[♫♪ Music ♪♫] Maritime Training Services Inc. In case of any conflict between the requirements shown in the movie and the company's safety management system (SMS), please follow the company's SMS requirements Hot work & fire watch Repairs on a vessel are unavoidable. Structures get old and rusted and it's up to seafarers to perform any maintenance and keep the ship functional. Many times this requires hot work. Hot work is dangerous and requires extra precautions for the safety of everyone on board. By practicing good procedures, you can avoid fires and save lives. After watching this program, you'll be able to answer the following questions: What is hot work? How do you fill out a hot work permit? How do you prepare a hot work area? What is a fire watch, and why is this role important? What are the best practices for staying safe during hot work? What is hot work Hot work is anything that produces a possible source of ignition such as a flame or spark. Examples of hot work include welding, cutting, brazing, soddering, grinding, and the use of a gas oxygen cutting torch. Fire is a potential hazard. Regulate and control hot work in a deliberate manner. Consider any possible hazards and outcomes. Think about the tools that you will need and any precautions that you must take to keep the area safe. Before performing any hot work, consider; Is it necessary? Instead of welding, can mechanical bolting be done? Can manual hydraulic shears be used in place of torch cutters? How do you fill out a hot work permit If hot work cannot be avoided, you must obtain a hot work permit or a marine chemist certificate. This permit is the first and most important step towards doing the job. Hot work permits ensure you are thinking critically about potential hazards. To obtain a permit, you must meet with the officer in charge for review and final approval to start work. There are a few things you need to do when filling out a hot work permit. Analyze the risk to determine if it will be safe enough to perform work. State the location and reason for the hot work on the permit. Identify areas of the vessel where hot work is not permitted. Perform hot work in an area where the risk of a fire is low such as the main deck or bulkhead. If it is not possible to find an area where the risk of fire is low, take extra precautions to make the area safe and free of flammable and combustible materials. Use risk assessment to analyze possible problems and hazards. Always calculate the risks! Use the labels high, serious, medium, or low to identify the level of risk. List the controls and persons responsible if an incident should occur. Some examples of controls are fire extinguishers, catch mats, and water hoses. How do you prepare a hot work area? Now that your work permit is approved and posted at the work site, go onto the next step. Area prep. The first step in prepping the area is to do an atmospheric test. You must do this test before starting any welding or cutting. An atmospheric test detects explosive gases and oxygen deficiencies in the air. With a portable gas meter, seafarers are able to monitor the carbon monoxide, oxygen, and the LEL levels. Take special precautions in enclosed spaces. Ventilate the space properly and check the atmosphere periodically. Because the gas meter warns crew members of invisible dangers, it's important that it's calibrated and maintained on a regular basis. Perform what is known as a bump test. A bump test verifies the instruments are reading accurately by exposing it to a known gas. If the levels match, you know the instrument is reading correctly. Perform a full calibration if it has not been done in over a month. When testing an atmosphere, the oxygen content should be between 19.5 and 22% for safe entry. Combustible gases should be less than 10% of the lower explosive limit, or LEL. Toxic gases such as carbon monoxide must be below their permissible exposure limit, or PEL. When you determine that the atmosphere is safe, continue with area prep. Perform lock out tag out, or LOTO, on any equipment near work area. Check for oil, lubricants, or insulation that might catch fire. Clear away any combustible material such as rags, wood, paper, plastic, mops, oils, and solvents. Check the area below and around the space where you are working for the possibility of fire or slag falling. And remove combustible materials. If flammable equipment, such as electrical panels, can't be removed, cover it with flame retardent plywood or cover with a fire blanket. Move combustible or flammable material 35 feet or 10 meters from the work area, 50 feet or 15 meters if any combustible liquids are present. Use a fire blanket to cover grading, pipe racks, and other exposed areas. Remove any folds or pockets from the fire blanket. PPE such as eye protection, hand protection, and a respirator must be worn. Ensure clothing is free of grease and oil and other flammable substances. If welding is required, wear a welding hood, gloves, and leather apron. Wear leather gauntlets, a leather apron, and a long-sleeved natural fiber boiler suit. Use a grinder guard when you are grinding. Inspect all tools, such as air hose fittings, welding leads, and electrical cords to ensure they are in working order. What is a fire watch and why is the role important Hot work cannot be performed without a fire watch. A fire watch is the seafarer who is responsible for supervising hot work and reacting to any emergencies. The fire watch must be properly trained in extinguishers, fighting fire techniques, and have an understanding of the fire triangle. For a fire to thrive, it needs three key elements. Those elements are oxygen, heat, and fuel. Any fire watch should know if you take one of these elements away, the fire will be extinguished. This is where fire extinguishers come in handy. Have fire extinguisher equipment ready and sound the alarm in case of fire. Monitor the area for at least half an hour after work is completed. If there's a threat of a large fire, charge nearby fire hoses. Monitor the atmosphere during hot work. If at any time unsafe conditions are detected, stop work immediately. This job requires your full attention. The fire watch cannot leave or do anything else during hot work. The fire watch is the last line of defense if an incident occurs. So this job must be taken seriously. The fire watch must be familiar with the hot work permit, conditions, and the location of hot work. What are the best practices for staying safe during hot work Note the location of the nearest alarm box, safety shower, and the escape routes. You must know how to use the two types of fire extinguishers, cartridge and stored pressure. Cartridge extinguishers are more effective but dangerous to use. Storage pressure extinguishers are the most widely used extinguishers, the most popular of them being ABC extinguishers. And ABC extinguisher can be used on Class A fires which can involve wood, paper, plastic, and textiles. Class B fires are classified as flammable liquid fires where liquids like oil, gasoline, kerosene, or paint ignite. Class C fires involve fires in live electrical equipment. Class A, B, and C fires can all be fought with monoammonium phosphate which smothers fires and is the component used in an ABC fire extinguisher making it one of the most universal extinguishers available to you. Check the extinguisher to make sure it is fully charged. Pay close attention to the last test day which will be stamped on the inspection tag. Verify the extinguisher is in working condition by checking the seal on the nozzle. Ensure the pressure gauge is in the green. If you detect unsafe conditions, stop work immediately. If a fire starts, sound the alarm to warn crew members aboard. Report any fires to your immediate supervisor or person in charge. Remember that smoke kills more people than the actual fire. Stay low and proceed to the nearest exit. This job requires your full and undivided attention. The protection of lives always comes first. You should now be able to answer these questions. What is hot work? How do you fill out a hot work permit? How do you prepare a hot work area? What is a fire watch, and why is this role important? And what are the best practices for staying safe during hot work? Hot work, though sometimes necessary, can be dangerous. Because of this, it's necessary that you follow all safety steps starting with a hot work permit. Think critically at every turn and stop work if it becomes unsafe at any time. Lives will be saved if seafarers follow these procedures.

Video Details

Duration: 10 minutes and 29 seconds
Country: Andorra
Language: English
License: Dotsub - Standard License
Genre: None
Views: 7
Posted by: maritimetraining on Aug 7, 2017

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