
Nancy: was going out... but...
this pic (from you) is great: I can clearly see the "stairs" shape on which the concrete plug plates should be:
www.houseoffoust.com
This is the same exact location of what I call the "drywell concrete structure".
Won't annoy you more with this... Need to sleep...

earthquake.usgs.gov Ikimap... www.ikimap.com

www.pictureupload.de @Nancy : from all of your sources there isn't one that tells the right position of the elements in #3,4,5. it would be good to have a schematic for every reactor. if you say, the blueprint is only #1, okay. then i have made here a transparent overlay for #1, no matter it's helpful or not. if anyone knows the dimensions of the other reactors, he may be so kind as to post a scheme for those. i did what i can in this respect.