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Mission Dependency Index (MDI)

An operational risk metric for assessing the criticality of facilities and describing their relative importance based on the owners mission (ie., strategic plan) for it's entire portfolio of facilities. 

The index provides a series of qualifiers to indicate the impact, or consequences, if a facility is destroyed (force majeure), sustains significant physical deterioration, or becomes non-functional.



Purpose
The purpose of MDI is as follows:

  • To assist the owners in making resource allocation decisions, particularly in the face of limited budgets and time constraints.
  • To identify priorities
  • To organize projects into bundles


Methodology
The methodology was originally developed by the US Navy and then adopted for other types of facilities, principally those in the MUSH sector.

The index asks the following types of questions about each facility in order to establish levels of mission criticality: 

  • “How long could the functions supported by the infrastructure be stopped without adverse impact to the mission?”; 
  • “If the facility were not functional, could the owner continue performing its mission by using another facility, or by setting up temporary facilities?”. 
If Portfolio were affected by a disaster which of the facilities could potentially be considered as post-disaster facilities?"

The index provides a series of qualifiers to indicate the impact or consequences if a facility is destroyed or non-functional: Critical; Relevant; Significant; Moderate; Low. 






Process


The following table provides a summary of the key steps in developing an MDI framework for an asset portfoliol

IDTasksLevel of Effort
1Schedule a workshop with internal stakeholdersLow
2Submit workshop agenda and read-ahead materialsLow
3Conduct workshop to arrange faccilities into the following three categories with assigned scores:
  • Mission Critical
  • Mission Dependent
  • Mission Independent
Low
4Prepare workshop notesLow
5Assign MDI ratings to each in-scope facility:Low
6Correlate MDI scores with FCI scores in order to ascertain four classes:
  • High priority facilities in good condition
  • High priority facilities in poor condition
  • Low priority facilities in good condition
  • Low proirity facilities in poor condition
Medium
7Prepare Excel workbook of source data Low
8Migrate MDI source data into corporate data platform




Levels of Mission Criticality
Listed below are the three tiers of mission criticality contemplated by the Mission Dependency Index:

For example, post-disaster facilities would be rated as critical.  

  • Impossible.  There are no viable commercial alternatives – only this facility can provide these services), Extremely Difficult.   There are viable commercial alternatives, but no readily available contract mechanism in place to replace the services).
  • Difficult.  Services exist and are available, but the form of delivery is ill defined or will require a measurable and unbudgeted level of effort to obtain (money/man-hours), but mission readiness capabilities would not be compromised in the process),
  • Possible. Services exist and are available
  • Intra-dependency
  • Inter-dependency

MDI Correlation with FCI
When the MDI is cross referenced with the Facility Condition Index (FCI) each facility will fall into one of the following four quadrants:
This analysis provides a correlation between condition and priority to assist the facility owners and operators in making resource allocation decisions.



Application within the MUSH Sector
For example, in a civic/municipal portfolio, the three tiers of the

MDI may be deemed as follows:

     Group 1: “Mission-Critical” Facilities
  • Municipal hall      10 points
  • Fire halls             9-10 points
  • Fire training         6-7 points
      Group 2: "Mission-Dependent” Facilities
  • Recreation centres   4-6 points
  • Libraries                  4-5 points
  • Cultural                   3-5 points
      Group 3: “Mission-Independent” Facilities
  • Animal welfare shelter   3 points
  • Turf storage                 1point
  • Storage                        1-3 points


Management Principles
Mission critical facilities are typically kept at a high operating standard where the facility condition index (FCI) is below 5%.



Three tiers of criticality on the Mission Dependency Index (vertical axis)
Fig. Three tiers of criticality on the Mission Dependency Index (vertical axis).
For example, Condition of a Building represented on the horizontal axis and the age of buildings represented on the vertical axis.


Scatter plot of facilities mapped to the three tiered Mission Dependency Index (MDI).
Fig. Scatter plot of facilities mapped to the three tiered Mission Dependency Index (MDI) revealing the correlation between condition and priority.


I. Care is strategizing in order to allocate limited resources across a portfolio of buildings
Fig. I. Care is strategizing in order to efficiently and effectively allocate the limited resources across a portfolio of buildings with different mission criticality rankings.



Sample of an array of facilities mapped on a grid with FCI along the horizontal axis and MDI along the vertical axis
Fig. Sample of an array of  facilities mapped on a grid with FCI along the horizontal axis and MDI along the vertical axis.



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Fig. 3D Matrix with condition (FCI) on the horizontal (x) axis, priority (MDI) on the vertical (y) axis and backlog quantum on the (z) axis. Each of the red bars represents one of the facilities in the portfolio.


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Fig. Fire halls are generally considered mission critical facilities in a civic portfolio.




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