Let us add that there is a bivouac (hut) on the plateau below Kotova spica (since Jul 2005).
It stands on Kotovo saddle, along a path from the Tamar hut.
This image (with lines) will help:
http://www.gore-ljudje.net/objave/savenc/0512/kotovo_sedlo-biv-poti-nocM0.jpg
Here is an image by filova:
http://www.summitpost.org/view_object.php?object_id=562426&context_id=562413