Archive for the ‘ Fire Precautions ’ Category

9 Safety Lessons You Should Learn from Hoeganaes Combustible Dust Explosion

Recently, the US Chemical Safety Board (CSB) released a report and animated video about three fires and explosions that happened at Hoeganaes Corp. plant in Gallatin, Tennessee, in 2011. Hoeganaes Corp. is a manufacturer of atomized steel and iron powders.

These accidents caused five people died and three people injured. Fine iron powder was involved in these accidents. These accidents were combustible dust explosion.


Have You Considered The Need of Explosion Proof Forklift?

explosion-proof-type-forkliftI believe that you have recognized potential hazards associated with forklift operation. Physical hazard is the most visible hazard that most of us will give more attention. However, have you evaluated that forklift can cause explosion and fire?

You may ask why. That’s the very basic question. Forklift can potentially generate sparks from electric arc and forks of the forklift. These ignition sources in combination with explosive or flammable atmosphere will create an explosion.

Besides, metal surface such as motor housing and electrical motor enclosure may become hot and reaches auto ignition temperature of the explosive atmosphere. That’s why an explosion proof forklift is required. (more…)

Refresh Your Fire Safety Knowledge by Fire Safety Quiz

Have you ever tested your fire safety knowledge recently? If not, you may be interested to refresh your fire safety knowledge by fire safety quiz. It’s simple but effective enough to refresh your memory.

fire-safetyI have collected some fire safety quiz from the Internet and you can exercise yourself with them. You can use these quizzes for testing other workers’ knowledge about fire safety too. May be these quizzes do not contain all fire safety topics, but it is still useful because your basic fire safety knowledge will be challenged.

Fire safety quiz is more interesting than classroom training. So, I recommend you to use this as an alternative. If the result is more effective then there is no reason not to use it. (more…)

Facts You Should Know About LEL Monitor and LEL Meter

LEL monitor or combustible gas monitor is a very vital aspect in hot work safety. Failure in doing accurate LEL monitor will bring to a catastrophic condition. The same condition will also happen when you use improperly calibrated LEL meter or LEL detector, which is used to measure LEL percentage of combustible gas or vapor in the atmosphere.

Before doing LEL monitor or operating LEL meter, you should know exactly the following facts. They will help you how to do LEL monitor properly. (more…)

Introducing Infrared Temperature Measurement

Infrared temperature measurement is usually carried out as a part of predictive maintenance program in a chemical plant. It is done to detect and measure abnormal temperature or hotspot of electromechanical equipment before troubles happen.

thermographic-inspectionsThe thermal image resulted from infrared temperature measurement represents thermal property of the equipment. By knowing that condition, preventive maintenance will be more effective, efficient and downtime of the plant can be reduced significantly.

In safety standpoint, infrared temperature measurement helps providing important information about problems at electrical components. Electrical component or equipment failure due to overheating for example could cause fire accident that harms employees’ safety. (more…)

Electrostatic Hazards in Chemical Plant

In this article, I will show you a case study about electrostatic hazards in chemical plant that can cause explosion and fire.

static-electricity-controlElectrostatic or static electricity had triggered an explosion and fire at an Americhem Sales Corp. building, in Midwest, US, two weeks ago. The electrostatic caused a catalytic spark during loading and unloading trailers and ignited about 500 gallons of mineral spirits.

The above preliminary investigation of the accident was published on

According to, electrostatic or static electricity is created when two objects that are not good electrical conductors are rubbed together, and electrons from one of the object rub off onto the other. (more…)

List of Safety Precautions for Shutdown Activities of Chemical Plants

safety precautions for shutdown activities of chemical plantsThere are two kinds of chemical plant shut down, i.e. planned shutdown and emergency or unplanned shutdown. An example of planned shutdown is as preparation for Turn Around or yearly preventive maintenance programs. Emergency plant shutdown can be triggered by many factors, such like electric power failure, machinery failure, instrumentation trouble and many more.

In both shutdown cases, there are safety precautions for shutdown activities of chemical plants that need to be taken into account. Such safety precautions are required to prevent potential hazards that commonly appear during plant shut down.

In fact, many people may underestimate chemical plant safety in shutdown condition. Of course there may no pumps running, no reactions occur or production process. But various potential hazards such as over pressure, fire and explosion still exist, which could present real danger to the plant and people inside it. (more…)

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