Which cost estimating method is most appropriate for preliminary budget development during the design phase?
Correct Answer
D) Square foot method
The square foot method is ideal for preliminary budgets when detailed plans aren't available, using cost per square foot based on building type and quality level.
Why This Is the Correct Answer
The square foot method is most appropriate for preliminary budget development because it provides quick, reasonably accurate cost estimates when only basic building information is available during early design phases. This method uses historical cost data per square foot for similar building types and quality levels, making it ideal when detailed plans, specifications, and material takeoffs are not yet complete. It strikes the right balance between speed and accuracy needed for initial budgeting decisions.
Why the Other Options Are Wrong
Option B: Assemblies method
The detailed unit cost method requires complete plans, specifications, and detailed material takeoffs to calculate costs for individual components, making it too time-consuming and impractical for preliminary budgets when such detailed information isn't available yet.
Option C: Historical cost database method
The assemblies method requires more detailed design information than typically available during preliminary phases, as it estimates costs for building systems and assemblies that need to be defined and specified first.
Memory Technique
Think 'Square foot = Quick start' - when you only know the building's footprint and basic type, use square foot method for fast preliminary estimates.
Reference Hint
Look up cost estimating methods in the project management or construction estimating chapter of your reference materials
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