Japan Earthquake | Page 1111
@Ralph Unger @wtm The towers are inside the plant but away from the buildings inside which the explosions took place. Those are quite robust towers designed to withstand extreme weather conditions, they wouldn't collapse with the explosion's shock waves
.by Pedro Jesus 5/11/2011 7:57:48 PM
And it is heavy smoke since it is then going to the ground and moving along the ground rather than into the air as steam would.by wtm 5/11/2011 7:57:52 PM- @Pedro, I am a radio tech. I climb towers. I have seem less damage take one out.by wtm 5/11/2011 7:58:42 PM
- Google earth it, they are far away.by Ralph Unger 5/11/2011 7:58:51 PM
- @Ralph, still had major debris flying around the area, and none of it hit any of the towers ?by wtm 5/11/2011 7:59:36 PM
- Time for teppycamby Optim 5/11/2011 7:59:50 PM
- At a a 1/4 mile away?by Ralph Unger 5/11/2011 8:00:12 PM
- Not that far, had to have piping up the towers for venting from the buildings.by wtm 5/11/2011 8:01:06 PM
- @Ralph, maybe several hundred feet.by wtm 5/11/2011 8:01:22 PM
- Google it.by Ralph Unger 5/11/2011 8:01:46 PM
- That's a quarter mile at least.by Ralph Unger 5/11/2011 8:02:21 PM
- All smoke on Teppycam, with a funnel of smoke up into the air in the middleby wtm 5/11/2011 8:02:22 PM
- @wtm But the explosions didn't happen out in the open. They were contained inside the buildings. It would take the impact of heavy debris to take down such a tower and they are too far away.by Pedro Jesus 5/11/2011 8:02:51 PM
- OK, just surprised that one hasn't been hit and fallen yet ?by wtm 5/11/2011 8:03:37 PM
- @Ralph Unger You mean a quarter mile outside the plant of from the units? The plant is at least one mile across. I thought the towers were inside. Let me check it out again.by Pedro Jesus 5/11/2011 8:03:51 PM
- The spent fuel pools retention walls, made the explosion go up.by Ralph Unger 5/11/2011 8:03:53 PM
- @wtm can you post limk for tepco camby fitter 5/11/2011 8:04:04 PM
- @Nancy, pls post Teppy camby wtm 5/11/2011 8:04:18 PM
- Fitter, here www.tepco.co.jpby wtm 5/11/2011 8:04:46 PM
by radioguy via Pointscope01.jp 5/11/2011 8:05:35 PM- @fitter, not fog or steam, definitely smoke,
by wtm 5/11/2011 8:05:56 PM - I did see the detonation and deflagration post from Gunderson, I still think it is the containment that made the blasts different.by Ralph Unger 5/11/2011 8:06:26 PM
- @wtm In the middle? I think yes. different dispersal for steam.by radioguy 5/11/2011 8:06:56 PM
- Source, not type of explosion.by Ralph Unger 5/11/2011 8:06:59 PM
- @radioGuy, it is heavy, and hanging on the ground and in the low areas. Can't see the plume in the TBS cam, but it shows in the Teppy camby wtm 5/11/2011 8:09:18 PM
- @wtm regarding steam pressure relief valves.... there is a lck of info on what is operational on what unit... some doc's refer to a total of 12/16 valves to the torus and they appear to have different set points.. but i would bet someone is looking at requiring "ruptue disk" set at a % over the highest set pointby fitter 5/11/2011 8:09:32 PM
- What happened at #4? it is as strong as #3 ,the building, so it should have been as bad as #2 according to the video I saw, but it wasn't.by Ralph Unger 5/11/2011 8:09:40 PM
- #3 I meanby Ralph Unger 5/11/2011 8:10:17 PM
- @Ralph, we were watching the steam come out of the tops of #3 & 4 units. #4 was the SFP area, and #3 was the reactor area, then all of a sudden, a massive amount of something in the middle of the pic (#3 area) and it completely covered everything, then after it died down, there was massive smoke out of the bottom center of #3 building, not the top/by wtm 5/11/2011 8:13:38 PM
- @Ralph Unger you need to remember that the same component may not have failed on all building, and not all units have the isolation condenser configureation.. these effect the sequence of the relief valvesby fitter 5/11/2011 8:13:53 PM
- Fukushima Daiichi Administrative Office
Current reading: 401000 µSv/h (microSievert per hour)
Time of reading: 2011/05/10 21:00:00safecast.orgby anon 5/11/2011 8:14:19 PM - @Ralph, TBS cam lost power for a sec, and this seemed to coincide with the 5.5 quake off the coast.by wtm 5/11/2011 8:14:57 PM
- @Ralph Unger According to Google Earth all the towers are between 600 and 800 meters from the units well inside the NPP. But it's still too long a distance for an inner explosion to seriously damage them let alone cause their collapse.by Pedro Jesus 5/11/2011 8:15:30 PM
- @anon, is thatup or down from earlier ?by wtm 5/11/2011 8:15:34 PM
- @anon, 21:00 was last night, that would be a before event reading.
by wtm 5/11/2011 8:17:07 PM - TBS cam now showing smoke coming from bottom of #3by wtm 5/11/2011 8:18:18 PM
#3 is showing that if you take a pressure cooker with multiple penetrations, pound on it often enough, then heat it enough, it will find its own way to relieve pressure. WAG is that a penetration at the bottom may have issues now -- curious to see if they have problems keeping water in the RPV.by Markfm edited by Markfm 5/11/2011 8:18:28 PM- @Mark, I think it was breached long ago, probably had corium in the lower parts of the unit. Question now is what blew up ???by wtm 5/11/2011 8:20:10 PM
- all i see i white does some one have a better linkby fitter 5/11/2011 8:21:08 PM
- If that is definitely smoke coming from the reactor of #3, I would think that they would have to evacuate the workers from the area ??by wtm 5/11/2011 8:21:21 PM
- @fitter, slowly changesby wtm 5/11/2011 8:21:54 PM
- @wtm tyby fitter 5/11/2011 8:22:06 PM
This was taken an 1 hr 12 minutes before the "explosion or fire" that I posted earlier
by Debra Beckham 5/11/2011 8:22:24 PM- It's been really hot in there, for some time, temps increasing. All the residual aftershocks cannot have been helping with the piping going in. Perhaps something just plain had a stress fracture, and enough pressure built up so it has given way, a venting path.by Markfm 5/11/2011 8:22:42 PM
- @wtm-yes there was a slow rise-wonder what that corres. to? Was it close to time 3 started w/smoke-you can look at each locale and see what time their spikes happened for those that wish to check it out safecast.orgby anon 5/11/2011 8:23:13 PM
Japan Earthquake | Page 1111
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