Business Requirements Document for a Information System Transformation for a law firm and two other agencies a Security Firm

4-6 pages Business Requirements Document for a Information System Transformation for a law firm and two other agencies a Security  Firm; Investigation Firm all have seperate data base; I have to come up with how to create a centralized database; and match their business process up with IT.

In the Requirements Document I have to:

Define the scope of the project

Speculate as to how to control the scope

Identify possible risks, constraints, and assumptions

Describe the relationship and integration between systems and infrastructure

Database and Data Warehousing; Interfaces and Cloud Technology

Speculate upon potential outsourcing or offshoring needs

Identify and justify the necessary resources including staffing that are necessary