Building a 5 nodes Oracle EBS using RAC and shared appl top 2.

Requirements

The first part of this series was a good example for small pieces answers. But this will not.
I have collected all requirements what is need for implement and well configure a 5 node EBS system (with RAC and shared appl top of course)

What are these requirements?

1. Documentations
2. Required Software
3. Recommended hardware configuration