need hardware configuration

Dear freinds,

I have to deliver the hardware configuration for the upcoming client.

they have 30 concurrent users,

OS - Windows2003 EE

DB - Oracle 10g

R3 - ECC6.0

<u>Please help to get the sizes for:-</u>

1 . Dev server

2 .Qas server

3. Prd Server on clustering

4 . IDES

5. Solution Manager and SapRouter.

7. BI - Dev

8.BI - Prd

I want to know the sapce required for each server.

Please reply at the earliest.

Thanks & Regards.