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re: Fire reported at Motiva plant in Convent, LA

Posted on 8/11/16 at 12:44 pm to
Posted by terd ferguson
Darren Wilson Fan Club President
Member since Aug 2007
113881 posts
Posted on 8/11/16 at 12:44 pm to
quote:

It was shin deep water in the contractor trailer lot. Should have seen everyone sprinting through it to get out the gate, myself included.



Why was the parking lot flooded?
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
70959 posts
Posted on 8/11/16 at 12:45 pm to
Yea, a lightning strike in the plant followed by fire is going to sound like an explosion to everyone. It's all semantics anyway. Some violent shite happened and now we have a big arse fire.

I don't think the reactor blew apart though. Probably had a leak somewhere near by on a high pressure line and lightning lit the leak and made a big leak
Posted by DuckManiak
Member since Nov 2011
3843 posts
Posted on 8/11/16 at 12:46 pm to
It came up really quick. I was in my truck watching it rise. Rain wasn't too hard, but steady for about an hour and a half before the fire. I've seen it rain much harder and longer and not rise that quickly. Not sure what the deal was.
Posted by bababooey
Lafayette
Member since Jan 2009
1105 posts
Posted on 8/11/16 at 12:47 pm to
Because you're bragging about tap dancing on the internets. You have to be mad about something.
Posted by LSU0358
Member since Jan 2005
8086 posts
Posted on 8/11/16 at 12:47 pm to
(no message)
This post was edited on 6/10/20 at 12:13 pm
Posted by Korkstand
Member since Nov 2003
29044 posts
Posted on 8/11/16 at 12:48 pm to
quote:

Why was the parking lot flooded?
Because the current amount of rainfall was not accounted for during planning of the parking lot you dumb fricker
Posted by Nado Jenkins83
Land of the Free
Member since Nov 2012
65076 posts
Posted on 8/11/16 at 12:48 pm to
quote:

Because you're bragging about tap dancing on the internets. You have to be mad about something.




I am also great at giving fat lips and after dinner speeches.


Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
70959 posts
Posted on 8/11/16 at 12:48 pm to
I'm not familiar with that exact unit, but everything always fails to depressurization. Even if the controls are fried, you either loose control air and the valves open, or loose communication and the valves open.

It's just so much volume under so much pressure that it takes a really long time to blow down. All you can do is block the unit in and let it burn and wait.
This post was edited on 8/11/16 at 12:50 pm
Posted by dukesilver72
Texas
Member since Feb 2015
1144 posts
Posted on 8/11/16 at 12:48 pm to
quote:

no manual override?


Some of them may have a manual valve that would require an operator to go in unit and open if the control valve fails to open. Highly unlikely that it's on reactor itself. More than likely located off of a separator in unit which runs about same pressure as reactor(s)
This post was edited on 8/11/16 at 12:49 pm
Posted by Nado Jenkins83
Land of the Free
Member since Nov 2012
65076 posts
Posted on 8/11/16 at 12:49 pm to
quote:

There should be a switch in the field and in the control room. But those would depend on the Emergency controls DCS working.



I am talking more along the lines of just closing a valve.

if it is indeed a high pressure line. i don't know squat about plant life
Posted by bababooey
Lafayette
Member since Jan 2009
1105 posts
Posted on 8/11/16 at 12:50 pm to
But can you give a speech, tap dance and administer fat lips all at the exact same time?

Edit: I forgot to add dishing out empty threats on the internet. My bad.
This post was edited on 8/11/16 at 12:52 pm
Posted by dukesilver72
Texas
Member since Feb 2015
1144 posts
Posted on 8/11/16 at 12:51 pm to
Lol most of the time it's not that simple, especially in an emergency.
Posted by Front9Bandit
Member since Dec 2013
15432 posts
Posted on 8/11/16 at 12:51 pm to
quote:

I am also great at giving fat lips and after dinner speeches


Grow up pussy and stop derailing threads before you get hurt
Posted by Nado Jenkins83
Land of the Free
Member since Nov 2012
65076 posts
Posted on 8/11/16 at 12:52 pm to
Doesn't sound too hard. Depends on topic of speech.
Posted by DuckManiak
Member since Nov 2011
3843 posts
Posted on 8/11/16 at 12:53 pm to
quote:

Yea, a lightning strike in the plant followed by fire is going to sound like an explosion to everyone.

I didn't even hear the thunder. The only thing that gave it away was people running. I thought it was because of the rain, but then saw the unit going up. I thought it was a tornado at first seeing the sky change to dark black, but then saw the flame and sprinted to the gate.
Posted by bababooey
Lafayette
Member since Jan 2009
1105 posts
Posted on 8/11/16 at 12:54 pm to
Topic of speech- How mad you are.
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
70959 posts
Posted on 8/11/16 at 12:54 pm to
The way it works is you close off all of the lines into and out of the unit, isolate the equipment that's on fire as close to the fire as possible, and wait till everything in that system burns out. The relief valves will send it to the flare to be burned, but it can only go so fast. There's a whole lot of volume under a whole lot of pressure and it just takes time to get all that down to atmospheric pressure so that you can start dealing with it.

Depending on exactly what's burning and where it is, they may let it burn and just contain it, to avoid a big release. All the shite in the system has to come out one way or another.
This post was edited on 8/11/16 at 12:56 pm
Posted by CP3
Baton Rouge
Member since Sep 2009
7547 posts
Posted on 8/11/16 at 12:57 pm to
I may or may not have the P&IDs for that unit in front of me right now
Posted by Capt ST
High Plains
Member since Aug 2011
13484 posts
Posted on 8/11/16 at 12:57 pm to
[quote]Not uncommon during an emergency at a plant. You can have all the drills you want but when something like this happens, nobody remembers which staging areas to go to. They just get the frick out of harm's way and don't really care about the "headcount". It's very hard to get your headcount exactly right with hundreds of people all over the plant. Hopefully this is the case here.

I kind of alluded to this earlier and appears its exactly what happened.








.
Posted by dukesilver72
Texas
Member since Feb 2015
1144 posts
Posted on 8/11/16 at 12:58 pm to
I'm curious how much/if any of the RX is exposed. The catalyst in there usually will burn when exposed to oxygen. If it's a lot it may take a real long time to burn out.
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