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@hudebnik I was thinking the status pages for site and individual reactors could be posts, thus constantly updated, with pages linked to the background history.

Dean by green part do you mean basement floor?

@radioguy - yes what I'm thinking is that we're all handicapped by not being able to remember exactly what happened when, and we all spend ages burrowing trying to find out (again) what exactly happened in reactor x on z April etc

A pull-together they would call it on TV

Exactly. It's the wordpress searchability and tag structure and versatility that we want to put to best use for exactly that: we have sifted vast amounts of info. It gets .. not lost, but misplaced.

Timeline of events in Japan

Published: May 12, 2011

The strongest earthquake ever recorded in Japan at a magnitude of 8.9 struck the country on March 11. Below is a timeline of events following the earthquake and tsunami and the effect on nuclear power plants in Japan.
March 11 - May 12

FRIDAY, MARCH 11

* The earthquake took place at roughly 2:46 p.m. locally. The epicenter was located about 130 kilometers off the east coast of the island.
* Eleven reactors shut down in the quake effected area
* Cooling problem at TEPCO's 4,600 MW Fukushima Daiichi nuclear plant on the northeast coast of Japan. Fukushima Daiichi is a six-reactor plant that uses GE, Hitachi and Toshiba boiling water reactor technology. TEPCO confirms water levels falling inside reactors at the plant and says it is trying to avert the exposure of nuclear fuel rods by restoring power to its emergency power system so that it can pump water inside the reactors.
* Fire reported at Tohoku Electricity Co.’s 2,100 MW Onagawa nuclear plant, which has since been extinguished. The Onagawa consists of three boiling water reactor units.

The rest of the timeline here: www.powergenworldwide.com

@JMV Nice. With good existing frameworks, we can edit in our own additions to make a master timeline.

@RBeaner flyingcuttlefish.wordpress.com No Doctors on Site of Nuclear Meltdowns at Fukushima

Oyster Creek has had drywell concrete corrosion concerns, betcha' Fuku does too...

Disturbing questions remain, raised not only by citizens, but by the state Department of Environmental Protection, NRC Commissioner Gregory Jazcko, scientists who reviewed Oyster Creek drywell data at the Sandia National Laboratory and the ASLB.
The commission's relicensing was premature because safety issues remain unaddressed including:
Exelon's failure to honor its commitment to perform 3-D analysis according to standards set by the Atomic Committee on Reactor Safeguards to determine the actual extent of corrosion.
Exelon's use of overly optimistic drywell thickness in its analysis.

nukefree.org'ssafetyissuesunresolved

agreed - we need a timeline in a table with columns for each reactor & 1 for general stuff

INVESTIGATION OF MOLTEN CORIUM-CONCRETE INTERACTION
PHENOMENA AND AEROSOL RELEASE www.osti.gov

@UKVal The issue with that is evident here: spreadsheets.google.com My googledocs columnar spreadsheet. lotta text for that format.

@UKVal Does this help? spreadsheets.google.com

@Pedro Jesus "Water infiltrates very easily through concrete so it tells us nothing about the integrity of the various containments." Very good point!

@Pedro Jesus @radioguy Great stuff. I'm used to complex tables. Could separate out #5 & 6 though for ease of reading.

@dean I can't remember who started it though. It was one of us but I can't remember who. I haven't contributed anything yet. It is quite complete and accurate, though.

Pedro.. try to get elaine or nancy up on it if you can..

@dean there was some talk about carbon seals for the control rods

the news archive page in the faq probably captures a fair amount of what's been reported

@Rob in SF We're at stage 3, the zirconium must have oxidized long ago.
Stage 3 - Long-term Erosion Stage
Oxidation of metallic species will eventually become complete, and in-
ternal heat generation will take place by decay heating only. The fully
oxide melt has been considerably diluted by concrete decomposition products
by this time. The corium temperature is much lower, but the con*urn solidus
has been reduced by addition of the concrete decomposition products. The
concrete erosion continues at a reduced rate, and the slower gas release
produces a bubbly flow regime. The aerosol and fission-product release is
small, but continues for a long period of time.

@dean I believe both Nancy and Elaine are aware of this spreadsheet.

yep.. wtm