Design wlan 9100

[skhrom]

1.Is it any detailed desig Guide for planing WLAN 9100.
2. About Maximum Associated Users to AP's 9122/9123/9132/9133 - 240 (120 per radio).
Could use both Radios with 2.4GHz ? - and it means i can connect 240 user with 2.4GHz(teoretically).

3.HOW many user really recommend per one AP's 9122/9123/9132/9133 (if plans to use WI-FI Phones,laptop,tablets)?
Often recomends 20-25 user per AP.
3.1. How many simultaneously voice calls(WI-FI Phones) supports each AP.

4.Cell Sizes(There are four standard sizes — Small, Medium, Large, or Max (the default is Max))
Cold you approximately to tell cell sizes in meters or in feet(for cubicles office) ?

5.About distance between WAPs.
In design guide is written - If using multiple WAPs in the same area, maintain a distance of at least
100ft/30m between WAPs if there is direct line-of-sight between units, or at least 50ft/15m if a wall or other barrier exists between units.

This recommendstion for small Cell Sizes?
If it is much user then recommendet per IP HOW it is possible to istall additional AP?