The responsibility assignment matrix (RAM) is a table that relates the program/ project organization structure to the work breakdown structure to ensure that each element of the program/ project’s scope of work is assigned to a responsible organization or individual. Larger projects may define responsibility assignment matrices at multiple levels.
A high-level RAM may define which group or organizational unit is responsible for each component of the work breakdown structure, while lower-level RAM’s are used within the groups to assign roles and responsibilities for specific activities to specific individuals.
Developing a Responsibility Assignment Matrix
Step One: Define Your Deliverables
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Step Two: Identify the People Involved
Map out who is on your project team. By creating a chart of individuals who are available, you can then delegate work assignments based on expertise, and you can recruit talent that you’re missing. This step is often called an “Organization Breakdown Structure” because it creates an organizational chart for your team.
Step Three: Create Your Responsibility Matrix
Draw a matrix. The deliverables are the column headings, and the people are the row titles. Determine responsibilities and levels of involvement for each item/person in your Work Breakdown Structure.
Step Four: Assign Roles
For each group responsible for an activity, assign roles and responsibility. The following table suggests roles that can be used.
Role |
Definition |
R = Responsible |
Conducts the actual work/owns the problem (there can be multiple Responsible groups- this is called teamwork) |
A = Accountable |
Approves the completed work and is held fully accountable for it. There should be only one A |
S = Supportive |
{rovides additional resources to conduct the work or plays a supportive role in implementation. |
P = Prime support |
Play primary supportive role. |
C = Consulted |
Has the information and/or capability to complete the work. Two-way communication (typically between R and C). |
I = Informed |
Is informed of progress and results. One-way communication (typically from R to I). |
V = Verifies |
Checks the work to ensure that it meets all defined criteria and standards. |
SI = Signs |
Signs off on the completed work. |
Step Five: Communicate
When your Responsibility Assignment Matrix is complete, communicate it to all stakeholders. It’s a good idea to post it in an area where people will see it. Used effectively, the RAM helps people understand what they should be doing at all stages of the project.
Next Steps
References: Adapted from The Responsibility Assignment Matrix - Mind Tools Ltd.