Flare Pits and Flare Lines
A flare pit contains a flare and is used for temporary storage of liquid hydrocarbons. These hydrocarbons are not burned, but are sent to the flare during equipment malfunction.
A flare pit contains a flare and is used for temporary storage of liquid hydrocarbons.
Flammable waste vapors or gases should be burned or controlled to prevent hazardous concentrations from reaching sources of ignition or otherwise endangering employees.
When a flare is used to burn flammable waste gases or vapors, the following precautions should be taken:
- Flare pits should be lit from the upwind side. When there is no wind or when the wind direction is undetermined, no attempt should be made to light the pit unless the operator can position himself in an explosive-free area.
- The use of hand-thrown rags or similar flaming objects should not be permitted.
- Reliable and safe means of remote ignition should be provided when hydrocarbon gases are released to the air through flares.
- Flares should be located in such a manner that unburned gases or vapors will be dispersed without creating a hazard to employees.
- Means should be provided to prevent the prolonged escape of hazardous quantities of unburned gases or vapors from flare installations. Automatic warning devices are acceptable, provided they are tested at such regular intervals that their operation will be assured.
- Where a flare has been extinguished, and the means of igniting the flare has failed, employees should not enter or be required to enter the involved area for the purpose of relighting, until tests have established that the area is free from flammable gases or vapors.
- All combustible material should be cleared for a safe distance from the flare pit or end of the flare.
Knowledge Check Choose the best answer for the question.
4-7. Which side should you light the flare pit from when the wind is coming out of the north?
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