Which cost estimating method would be most appropriate for a general contractor to use during the schematic design phase when detailed drawings are not yet available?
Correct Answer
B) Square foot method
The square foot method is most appropriate during schematic design when detailed information is limited. This method uses cost per square foot based on building type and can provide reasonable estimates with minimal design information.
Why This Is the Correct Answer
The square foot method is ideal for schematic design phase because it requires minimal information - just the building type and approximate square footage. During schematic design, detailed drawings, specifications, and material lists are not yet available, making this the only practical estimating method. It provides reasonable budget estimates using historical cost data per square foot for similar building types. This method aligns perfectly with the limited design information available at this early project phase.
Why the Other Options Are Wrong
Option A: Detailed quantity takeoff method
The unit price method requires knowing specific quantities of work items (linear feet of pipe, cubic yards of concrete, etc.) which cannot be determined without detailed drawings that don't exist in schematic design.
Option D: Assemblies method
The detailed quantity takeoff method requires complete drawings, specifications, and material lists to calculate exact quantities of every component. This level of detail is not available during schematic design phase.
Memory Technique
Think 'SIMPLE for SCHEMATIC' - when you have simple/limited information in schematic design, use the simple square foot method. As design progresses and gets more detailed, estimating methods become more detailed too.
Reference Hint
Look up 'Cost Estimating Methods' or 'Project Phases and Estimating' in construction management or estimating chapters of your reference materials.
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