Which cost estimating method would be most appropriate for preliminary budgeting of a proposed office building when only basic square footage and building type are known?
Correct Answer
D) Square foot estimating method
Square foot estimating is ideal for early project phases when detailed information isn't available, using historical cost data per square foot for similar building types.
Why This Is the Correct Answer
Square foot estimating is the most appropriate method for preliminary budgeting when only basic information like square footage and building type are available. This method uses historical cost data from similar projects to calculate cost per square foot, then multiplies by the proposed building's square footage. It provides a reasonable budget estimate quickly without requiring detailed plans, specifications, or material quantities. This approach is specifically designed for early project phases when detailed design information hasn't been developed yet.
Why the Other Options Are Wrong
Option B: Detailed unit price method
Material takeoff method requires detailed construction drawings and specifications to quantify specific materials needed. This level of detail is not available when only basic square footage and building type are known for preliminary budgeting.
Option C: Material takeoff method
The assemblies estimating method requires knowledge of building systems and components (like foundation systems, wall assemblies, roofing systems) which goes beyond the basic square footage and building type information available during preliminary budgeting.
Memory Technique
Think 'SQUARE footage = SQUARE foot method' - when you only know the square footage, use square foot estimating!
Reference Hint
Look up cost estimating methods in the project management or estimating chapter of your contractor reference manual, typically found under 'Types of Construction Estimates' or 'Estimating Methods'.
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