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Deferred Costs in Scenario Builder

Deferred Cost allows you to see the consequence of deferring or delaying an activity. It prioritizes those assets where delaying the recommended activity will cost you more money the following year. You can answer questions like, How long can I wait before a more expensive activity is needed? and What is the cost of doing the activity now and later?  Each time a scenario runs, the results include all of the fields defined below. You may need to use the Column Selector to add these fields to the Activities list.

  • Recommended Activity: The activity Scenario Builder recommends based on the scenario settings. This is different from the Activity because the Recommended Activity does not take your budget or OCI target into consideration.
  • Deferred Activity: The suggested activity for the next plan year, if nothing is done this year.
  • Deferred Unit Cost: The cost of the deferred activity per unit. This is calculated by dividing the activity cost by the amount defined on the asset using the unit type selected in the Adjust OCI Using field. For example, for a Pavement scenario, the trigger says an overlay costs $10,000.00. The pavement asset area is 500 square yards and the Adjust OCI Using field is set to Area. So Deferred Unit Cost is $20.00 per square yard.
    • If the recommended activity and the deferred activity are different, then that difference is calculated.
    • If the recommended activity and the deferred activity are the same, then the deferred cost is 0.
  • Deferred Cost: The total cost for the Deferred Activity.
  • Years Remaining: The number of years before the asset deteriorates and needs a more expensive activity.
    • If Years Remaining is 0 (zero) Scenario Builder will recommend a more expensive activity next year.
    • Anything greater than 0 (zero) indicates how many years remaining you have to perform the recommended activity without needing the more expensive activity.

None of these values are calculated for assets with No Activity as the recommendation.

If inflation is used in the scenario, it is applied to the plan years after year one and the inflation is added to the deferred unit cost. For example, the cost of a Crack Seal activity in Plan Year 2 is evaluated against the cost of an Overlay activity in Plan Year 3 with inflation applied to both.