I need someone to delete a part of collsion in a vanilla mesh for me. Pic of what needs to be done: http://postimg.cc/image/nsnu3xzzb/

Link to vanilla file: https://www.dropbox.com/s/otn7h95880lmt5n/scastle.nif?dl=0

I've already tried doing it myself, but i don't have time or resources, so if anyone has the time to help out, please do.

Here are some pics of the project:

http://postimg.cc/image/dahkfn1fr/

http://postimg.cc/image/8fsxev6zl/

http://postimg.cc/image/qzwhe1wgx/

http://postimg.cc/image/7zn0iao7r/

http://postimg.cc/image/u05fk2cvl/

http://postimg.cc/image/pptagre87/

http://postimg.cc/image/9egbhx5qf/

http://postimg.cc/image/4l67o04z5/

http://postimg.cc/image/zaer991x3/