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Psv Discharge - Safe Location Definition


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#1 Ammaul

Ammaul

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Posted 01 July 2020 - 11:29 AM

Hi,

 

On the past, we have an incident with a “vapor” PSV.

The discharge line was full with hot condensate due to PSV leakage and no drain hole available. The PSV opened and condensate was projected (horizontal line) and reached a nearby equipment platform were some people was working on.

Recently, this issue came out again.

- Almost all standards state “safe location”, but none (at my concern) is clear about a definition.

- Some define guidelines for hazardous, toxic and flammable materials, but none give guidance for less harmfull streams (steam or condensate);

What would be a good approach to deal with cases like this? “Dispersion” study to evaluate temperature decay of the released stream?

Does anyone

Any ideas?

 

Best regards.



#2 fallah

fallah

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  • 4,690 posts

Posted 02 July 2020 - 01:28 AM

 

On the past, we have an incident with a “vapor” PSV.

The discharge line was full with hot condensate due to PSV leakage and no drain hole available. The PSV opened and condensate was projected (horizontal line) and reached a nearby equipment platform were some people was working on.

Recently, this issue came out again.

- Almost all standards state “safe location”, but none (at my concern) is clear about a definition.

- Some define guidelines for hazardous, toxic and flammable materials, but none give guidance for less harmfull streams (steam or condensate);

What would be a good approach to deal with cases like this? “Dispersion” study to evaluate temperature decay of the released stream?

Does anyone

Any ideas?

 

 

Hi,

 

Please consider following discussion which is helpful for your query:

 

http://www.cheresour...ation-criteria/



#3 breizh

breizh

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Posted 02 July 2020 - 02:30 AM

Hi,

You may consider the resource underneath :

https://www.hse.gov....easventsyst.htm

 

Breizh 






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