Can anybody tell about ,how to make Sizing Document modulewise in SAP DMS

Hi,

Can anybody tell about ,how to make Sizing Document modulewise in SAP DMS in Implementation Project.

Actual module wise Document and requirement gathering i have done.then i have calculated the Document size and frequency

of Upload module wise.

Please tell me...if i am going right......

Could anybody share relevant documents for BBP,Configuration and other data related to SAP DMS.