Beginning the Investigation
A farther project may still be worthwhile even if it requires more travel. The investigation therefore begins by separating the project itself from the travel required to complete it.
Project Margin Before Travel
Before accounting for travel, DFSMO looks at the margin produced by the project itself.
Project Revenue − Direct Project Cost = Project Margin Before Travel
This margin provides a baseline for measuring the effect of customer location.
Travel Spent per Project
A project may require several trips before the work is complete, so distance alone does not show the full travel requirement.
Round-Trip Travel Time × Required Site Visits = Travel Spent per Project
A moderately distant project requiring several visits may require more travel than a farther project completed in a single visit.
Project A
Moderate Distance × Several Site Visits → More Travel
Project B
Farther Distance × One Site Visit → Less Travel
Employee Time and Direct Travel Cost
To measure the effect of travel, DFSMO may also need:
Traveling Crew Size: how many employees make the trip
Loaded Hourly Labor Cost: the hourly cost of employee time, including wages and applicable employer costs
Direct Travel Cost: fuel, tolls, mileage, vehicle expense, or other costs created by serving the location
Travel Spent per Project × Traveling Crew Size = Crew-Hours Spent Traveling
Crew-Hours Spent Traveling × Loaded Hourly Labor Cost = Travel Labor Cost
Travel Labor Cost + Direct Travel Cost = Additional Dollar Cost to Serve
For this comparison, direct project cost excludes the travel-related labor and vehicle costs measured separately here.
Figure 1 — Effect of Travel