You are here: Home Maintenance & Operations Appendices "Managing for Results" 2016 Results Major maintenance

Major maintenance

Major maintenance cost per student and design-to-construction cost ratio.

Cost per Student

APS Cost per Student
YearCost per student
2011–12 $29
201213 $32
201314 $52
201415 $21

Description of Calculation: Total cost of major maintenance work divided by total student enrollment.

Importance of Measure: This looks at the cost of major maintenance projects relative to the size of the district (by student enrollment).

Factors that Influence

  • Number of capital projects
  • Deferred maintenance backlog
  • Passage of bond measures
  • Age of infrastructure
  • District technology plan 

Design to Construction Cost Ratio

APS Design to Construction Cost Ratio
YearCost Ratio
2011–12 No data
2012–13 0.0%
2013–14 3.8%
2014–15 2.5%

Description of Calculation: Design costs of all major maintenance/minor renovation projects, divided by construction costs of all major maintenance/minor renovation projects.

Importance of Measure: This can be used to evaluate the cost of delivered construction relative to design costs. 

Document Actions