A structure called the Responsibility
Assignment Matrix (RAM) is developed by integrating the Organization Breakdown
Structure (OBS) with the Contract Work Breakdown Structure (CWBS). This matrix
displays the CWBS on one axis and the OBS on the second axis.
The proper integration of the two structures (CWBS and OBS) into the RAM will
create a home for each work statement of the contract and provide a disciplined
framework so that organizing, planning, budgeting, measurement monitoring, and
reporting of the performance measurement can be correctly implemented. Each
intersection point on the RAM defines a possible requirement for one or more
specific scopes of contractual work to be performed by the responsible functional
organization. This intersection point, envisioned as a third axis within the
RAM, defines a point where one or more Task Plans may be formed and a point
at which work is organized, scheduled, budgeted and its progress monitored,
measured and reported. The fourth axis of the RAM when properly implemented
allows for the use of a unique Task Plan for each phase of the contract as it
progresses through time.
By inserting the budgets defined for each Task Plan into the designated location
of the RAM the "Dollarized" RAM is created. This budget information
is normally summed beginning from the Task Plan level through each level of
the RAM. The information is displayed for audit purposes during System Implementation
reviews for the customer. The dollarized RAM is a mechanical method of footing
and cross footing all of the distributed budgets to assure the Project Management
Office that the budgets have been properly allocated.
This illustrates an example of RAM
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