Which of the following are the three types of cost estimates used in the implementation of a physical protection system?
Preliminary design, final design, and maintenance
Budgetary, preliminary design, and final design
Budgetary, preliminary design, and contingency
Preliminary design, final design, and contingency
The three primary types of cost estimates used during the implementation of a physical protection system are:
Budgetary: Initial estimate for planning and approval.
Preliminary design: Estimate based on conceptual design.
Final design: Detailed cost based on approved construction documents and specifications.
This staged estimation approach helps refine costs as the design evolves.
Other options mention contingency or maintenance, which are important but not considered one of the three standard estimating stages.
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